.sticky-sentinel {
    display: block;
    width: 100%;
    height: 1px;
    margin-top: -1px;
    pointer-events: none;
    opacity: 0;
}

.contact-section {
    background: var(--bg-secondary);
    padding-bottom: 0;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(circle at 20% 30%, #fff 1px, transparent 1px),
                radial-gradient(circle at 80% 20%, #fff 1.2px, transparent 1.2px),
                radial-gradient(circle at 60% 80%, #fff 1.5px, transparent 1.5px),
                radial-gradient(circle at 40% 60%, #fff 1px, transparent 1px),
                radial-gradient(circle at 70% 50%, #fff 1.3px, transparent 1.3px),
                radial-gradient(circle at 30% 70%, #fff 1.1px, transparent 1.1px),
                radial-gradient(circle at 50% 40%, #fff 1.4px, transparent 1.4px);
    background-size: 100% 100%;
    opacity: 0.18;
    animation: stars-move 30s linear infinite;
}

.contact-section > .container {
    position: relative;
    z-index: 1;
}

@keyframes stars-move {
    0% { background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0; }
    100% { background-position: 20px 40px, -30px 60px, 40px -20px, -20px 30px, 30px -10px, -10px 20px, 10px -30px; }
}
.contact-criteria.danger {
    background: linear-gradient(90deg, #2a0a0a 0%, #4a1a1a 100%);
    border: 1.5px solid #ff6464;
    box-shadow: 0 4px 24px rgba(255,100,100,0.10);
}
.contact-criteria.danger h3 {
    color: #ff6464;
}
.contact-criteria.danger ul li {
    color: #ffb3b3;
}
.contact-criteria.danger ul li::before {
    color: #ff6464;
}
/* Reset и базовые стили */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Prevent horizontal scroll on mobile */
html {
    width: 100%;
    scroll-behavior: smooth;
    max-width: 100vw;
}

/* Ensure all images and media fit within container */
img,
picture,
video,
canvas,
iframe,
svg {
    max-width: 100%;
    height: auto;
    display: block;
}

img,
video {
    object-fit: cover;
}

:root {
    /* Modern color palette with better contrast */
    --bg-color: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --bg-card: #1f1f1f;
    --text-color: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-color: #00e5ff;
    --accent-secondary: #0055ff;
    --accent-tertiary: #e5ff00;
    --accent-gradient: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-light: rgba(255, 255, 255, 0.05);
    
    /* Typography - Fluid responsive scale */
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: clamp(0.875rem, 0.8rem + 0.4vw, 1rem);
    --font-size-sm: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 1.125rem + 0.75vw, 1.5rem);
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing scale */
    --space-2xs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-xxl: 8rem;
    
    /* Layout */
    --nav-height: 72px;
    --max-width: 1280px;
    --max-width-narrow: 960px;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    
    /* Transitions - smoother easing functions */
    --transition-base: 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-smooth: 0.6s cubic-bezier(0.4, 0.0, 0.2, 1);
    --transition-bounce: 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 30px rgba(0, 229, 204, 0.3);
    --shadow-glow-secondary: 0 0 30px rgba(0, 180, 255, 0.3);
    
    /* Surface properties */
    --surface-gradient: linear-gradient(135deg, rgba(10, 10, 10, 0.95), rgba(26, 26, 26, 0.95));
    --surface-border: rgba(0, 192, 192, 0.2);
    --surface-glow: 0 20px 60px rgba(0, 192, 192, 0.15);
    --surface-blur: 10px;
    
    /* Glassmorphism properties */
    --glass-bg: rgba(26, 26, 26, 0.4);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
    --glass-blur: 16px;
    --glass-highlight: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    
    /* Liquid glass properties */
    --liquid-glow-1: rgba(0, 229, 204, 0.4);
    --liquid-glow-2: rgba(0, 180, 255, 0.4);
    --liquid-glow-3: rgba(0, 87, 255, 0.3);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 229, 204, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(0, 180, 255, 0.03) 0%, transparent 50%);
    color: var(--text-color);
    line-height: 1.65;
    width: 100%;
    max-width: 100vw;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
}

/* Loader styles removed - loading animation disabled */

/* Glassmorphism and Liquid Glass Effects */
@keyframes liquid-shimmer {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes liquid-glow-rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes liquid-pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* New smooth animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    transform: scale(0);
    animation: ripple 0.6s ease-out;
    z-index: 100;
}

/* Glassmorphism utility class */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    position: relative;
    will-change: transform, opacity;
    transform: translateZ(0);
}

.glass-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--glass-highlight);
    opacity: 0.8;
    pointer-events: none;
}

/* Liquid glass border effect */
.liquid-glass-border {
    position: relative;
    isolation: isolate;
}

.liquid-glass-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(
        135deg,
        var(--liquid-glow-1),
        var(--liquid-glow-2),
        var(--liquid-glow-3),
        var(--liquid-glow-1)
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    animation: liquid-shimmer 8s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

.liquid-glass-border:hover::before {
    opacity: 1;
}

/* Liquid glass glow effect */
.liquid-glow {
    position: relative;
}

.liquid-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle,
        var(--liquid-glow-1) 0%,
        var(--liquid-glow-2) 40%,
        transparent 70%
    );
    opacity: 0;
    transform: translate(-50%, -50%);
    filter: blur(30px);
    transition: opacity var(--transition-smooth);
    pointer-events: none;
    z-index: -1;
    animation: liquid-pulse 4s ease-in-out infinite;
}

.liquid-glow:hover::after {
    opacity: 0.6;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 20px;
    padding: var(--space-xs) var(--space-md);
    background: var(--accent-color);
    color: var(--bg-color);
    border-radius: 999px;
    font-weight: 600;
    transition: top var(--transition-base);
    z-index: 1200;
}

.skip-link:focus {
    top: 20px;
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

.container {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: 0 clamp(1rem, 5vw, 3rem);
    box-sizing: border-box;
}

.container--narrow {
    max-width: var(--max-width-narrow);
    width: 100%;
}

/* Навигация */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(5, 9, 20, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: all var(--transition-base);
    will-change: transform, background, box-shadow;
    transform: translateZ(0);
}

.main-nav::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--accent-color) 20%, 
        var(--accent-secondary) 50%, 
        var(--accent-color) 80%, 
        transparent
    );
    opacity: 0;
    transition: opacity var(--transition-base);
}

.main-nav:hover::after,
.main-nav.nav-scrolled::after {
    opacity: 0.5;
}

.main-nav.nav-scrolled {
    background: rgba(5, 9, 20, 0.95);
    box-shadow: 0 6px 40px rgba(0, 0, 0, 0.6);
}

.nav-container {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: clamp(1rem, 3vw, 2rem);
    height: var(--nav-height);
}

.nav-logo {
    display: flex;
    flex-direction: column;
    gap: 4px;
    line-height: 1;
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.nav-logo .logo-text {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent-color);
    text-transform: uppercase;
    transition: color var(--transition-base);
}

.nav-logo:hover .logo-text {
    color: var(--accent-secondary);
    text-shadow: var(--shadow-glow);
}

.logo-caption {
    font-family: var(--font-mono);
    font-size: clamp(0.5rem, 1vw, 0.625rem);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--text-muted);
    opacity: 0.7;
}


.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(10, 10, 10, 0.6);
    cursor: pointer;
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.nav-toggle__bars {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 100%;
}

.nav-toggle__bars span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 0 auto;
    background: var(--text-color);
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform, opacity;
}

.nav-toggle__close {
    display: none;
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}


.nav-menu {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(0.5rem, 1.5vw, 1rem);
    flex-wrap: nowrap;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: clamp(0.8rem, 1.2vw, 0.9rem);
    font-weight: 500;
    font-family: var(--font-sans);
    transition: color var(--transition-base);
    letter-spacing: 0.02em;
    position: relative;
    white-space: nowrap;
    padding: 0.5rem 0;
    will-change: color;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--accent-color), 
        var(--accent-secondary)
    );
    border-radius: 2px;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-glow);
    will-change: transform;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-menu a:focus-visible,
.cta-button:focus-visible,
.btn-gradient:focus-visible,
.btn-outline:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

@media (max-width: 1280px) {
    .nav-container {
        gap: clamp(12px, 2vw, 20px);
        padding: 0 clamp(12px, 3vw, 24px);
    }

    .nav-logo {
        flex: 0 0 180px;
        max-width: 180px;
    }

    .nav-menu {
        gap: clamp(6px, 1vw, 12px);
    }

    .nav-menu a {
        font-size: clamp(0.75rem, 1.2vw, 0.85rem);
        letter-spacing: 0.01em;
    }
}

/* Hide close button on desktop - only show on mobile */
.nav-menu__close {
    display: none !important;
}

@media (max-width: 960px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-logo {
        flex: 1 1 auto;
        max-width: none;
    }

    .nav-menu {
        position: fixed;
        inset: 0;
        width: 100%;
        max-width: 100vw;
        padding: calc(var(--nav-height) + var(--space-xl) + env(safe-area-inset-top, 0px)) clamp(20px, 8vw, 56px) calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
        background: rgba(10, 10, 10, 0.96);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: clamp(24px, 6vw, 44px);
        transform: translateY(-100%);
        transition: transform 0.4s cubic-bezier(0.4, 0.0, 0.2, 1), opacity 0.4s cubic-bezier(0.4, 0.0, 0.2, 1);
        pointer-events: none;
        opacity: 0;
        z-index: 1400;
        flex: 0 0 auto;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-gutter: stable both-edges;
        height: 100vh;
        max-height: 100vh;
        overscroll-behavior: contain;
        will-change: transform, opacity;
    }

    @supports (height: 100dvh) {
        .nav-menu {
            height: 100dvh;
            max-height: 100dvh;
        }
    }

    body.nav-open .nav-menu {
        transform: translateY(0);
        pointer-events: auto;
        opacity: 1;
    }

    body.nav-open .main-nav {
        border-bottom-color: transparent;
    }

    body.nav-open {
        overflow: hidden;
        touch-action: none;
        overscroll-behavior: none;
        position: fixed;
        width: 100%;
        max-width: 100vw;
    }

    .nav-toggle .nav-toggle__bars {
        display: flex;
    }

    .nav-toggle .nav-toggle__close {
        position: relative;
        width: 100%;
        height: 100%;
        display: none; /* полностью скрыт в мобильном меню */
        align-items: center;
        justify-content: center;
        color: var(--text-color);
        font-size: 1.4rem;
        font-weight: 500;
        letter-spacing: 0.1em;
    }

    body.nav-open .nav-toggle .nav-toggle__bars {
        display: none;
    }

    body.nav-open .nav-toggle .nav-toggle__close {
        display: none; /* скрываем крестик в кнопке бургера */
    }

    .nav-menu a {
        font-size: clamp(1.25rem, 5vw, 1.65rem);
        font-weight: 600;
        letter-spacing: 0.08em;
        line-height: 1.4;
        width: 100%;
        max-width: 100%;
        text-transform: uppercase;
        color: rgba(255, 255, 255, 0.88);
        padding: 14px 0;
        min-height: 44px;
        display: flex;
        align-items: center;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .nav-menu a::after {
        bottom: 0;
        height: 3px;
    }

    .nav-menu a + a {
        margin-top: 4px;
    }
        /* Кнопка «Закрыть» в мобильном меню (вверху списка) */
        .nav-menu__close {
            display: block !important; /* Show on mobile */
            position: sticky;
            top: env(safe-area-inset-top, 0px);
            z-index: 1;
            margin: -8px 0 16px 0;
            align-self: stretch;
            text-align: center;
            padding: 16px 20px;
            min-height: 52px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(20, 20, 20, 0.85);
            color: var(--text-color);
            font-family: var(--font-mono);
            font-size: 0.95rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .nav-menu__close:hover {
            background: rgba(30, 30, 30, 0.9);
            border-color: rgba(0, 192, 192, 0.3);
        }
        .nav-menu__close:focus-visible {
            outline: 2px solid var(--accent-color);
            outline-offset: 3px;
        }
}

/* ------------------------------ */
/* ARLIST TECH page               */
/* ------------------------------ */

.arlist-hero {
    padding: clamp(120px, 22vh, 180px) 0 clamp(80px, 14vh, 140px);
    text-align: left;
}

.arlist-hero .hero-background {
    opacity: 0.45;
}

.arlist-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: clamp(36px, 6vw, 72px);
    position: relative;
    z-index: 2;
}

.arlist-hero-copy {
    display: grid;
    gap: clamp(18px, 4vw, 28px);
}

.arlist-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid rgba(0, 192, 192, 0.35);
    background: rgba(0, 192, 192, 0.08);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.arlist-hero .hero-title {
    margin: 0;
    text-align: left;
}

.arlist-hero .hero-subtitle {
    margin: 0;
    max-width: 640px;
    text-align: left;
    color: rgba(224, 224, 224, 0.82);
}

.arlist-hero-tags {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.58);
}

.arlist-hero-panels {
    display: grid;
    gap: 18px;
}

.arlist-panel {
    padding: 28px;
    border-radius: 20px;
    border: 1px solid rgba(0, 192, 192, 0.18);
    background: radial-gradient(circle at 20% 20%, rgba(0, 192, 192, 0.16), rgba(10, 10, 10, 0.9));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.arlist-panel h2 {
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.arlist-panel ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
    color: var(--text-secondary);
}

.arlist-panel ul li::before {
    content: '▹';
    margin-right: 10px;
    color: var(--accent-color);
    font-family: var(--font-mono);
    letter-spacing: 0.16em;
}

.arlist-overview {
    padding: clamp(72px, 12vw, 120px) 0;
}

.arlist-overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
}

.arlist-overview-main {
    display: grid;
    gap: 20px;
}

.arlist-points {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
    color: var(--text-secondary);
}

.arlist-points li {
    position: relative;
    padding-left: 28px;
}

.arlist-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
}

.arlist-overview-aside {
    padding: 26px 28px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(14, 14, 14, 0.8);
    display: grid;
    gap: 16px;
}

.arlist-overview-aside h3 {
    margin: 0;
    font-size: 1.1rem;
}

.arlist-highlight-grid {
    margin-top: clamp(36px, 6vw, 64px);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: 18px;
}

.arlist-highlight-card {
    padding: 22px 24px;
    border-radius: 18px;
    border: 1px solid rgba(0, 192, 192, 0.18);
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.08), rgba(0, 192, 192, 0.02));
    display: grid;
    gap: 10px;
}

.arlist-highlight-card span {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.arlist-focus {
    padding: clamp(72px, 12vw, 110px) 0;
}

.arlist-focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 20px;
}

.arlist-focus-card {
    padding: 28px;
    border-radius: 20px;
    border: 1px solid rgba(0, 192, 192, 0.18);
    background: rgba(10, 10, 10, 0.78);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.3);
    display: grid;
    gap: 14px;
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    will-change: transform, box-shadow;
    transform: translateZ(0);
}

.arlist-focus-card:hover {
    transform: translateY(-6px) translateZ(0);
    box-shadow: 0 24px 60px rgba(0, 192, 192, 0.18);
}

.arlist-focus-code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    color: var(--accent-color);
    text-transform: uppercase;
}

.arlist-synergy {
    padding: clamp(70px, 10vw, 110px) 0;
}

.arlist-synergy-card {
    border-radius: 24px;
    border: 1px solid rgba(0, 192, 192, 0.25);
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.08), rgba(0, 0, 0, 0.9));
    padding: clamp(32px, 5vw, 48px);
    display: grid;
    gap: clamp(28px, 4vw, 36px);
}

.arlist-synergy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: 18px;
}

.arlist-synergy-step {
    position: relative;
    padding: 24px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(10, 10, 10, 0.78);
    display: grid;
    gap: 12px;
}

.arlist-synergy-step .step-label {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(0, 192, 192, 0.4);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--accent-color);
}

.arlist-contact {
    padding: clamp(80px, 12vw, 120px) 0 clamp(100px, 14vw, 140px);
}

.arlist-contact-card {
    border-radius: 24px;
    border: 1px solid rgba(0, 192, 192, 0.25);
    background: radial-gradient(circle at 20% 20%, rgba(0, 192, 192, 0.18), rgba(10, 10, 10, 0.92));
    padding: clamp(32px, 5vw, 48px);
    display: flex;
    flex-wrap: wrap;
    gap: clamp(20px, 4vw, 32px);
    align-items: center;
    justify-content: space-between;
}

.arlist-contact-copy {
    max-width: 540px;
    display: grid;
    gap: 12px;
}

.arlist-contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.arlist-contact .secondary-link {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
}

@media (max-width: 1024px) {
    .arlist-hero-grid {
        grid-template-columns: 1fr;
    }

    .arlist-hero-panels {
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    }

    .arlist-overview-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .arlist-hero {
        padding-top: 120px;
        padding-bottom: clamp(60px, 10vw, 100px);
    }

    .arlist-hero .hero-title {
        font-size: clamp(2.2rem, 8vw, 3rem);
        line-height: 1.15;
    }

    .arlist-panel {
        padding: 24px 20px;
        box-sizing: border-box;
    }
    
    .arlist-focus-card,
    .arlist-highlight-card {
        padding: 24px 20px;
        box-sizing: border-box;
    }

    .arlist-contact-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 20px;
    }

    .arlist-contact-actions {
        width: 100%;
        gap: 12px;
    }

    .arlist-contact-actions .btn-gradient,
    .arlist-contact-actions .secondary-link {
        width: 100%;
        text-align: center;
        min-height: 52px;
        padding: 16px 24px;
    }
    
    /* Better grid layouts on ARLIST page */
    .arlist-hero-panels,
    .arlist-highlight-grid,
    .arlist-focus-grid {
        gap: 20px;
    }
}

/* ------------------------------ */
/* Maintenance placeholder page   */
/* ------------------------------ */

.maintenance-mode {
    min-height: 100vh;
    margin: 0;
    background: radial-gradient(circle at 20% 20%, rgba(0, 192, 192, 0.08), transparent 50%)
                , radial-gradient(circle at 80% 30%, rgba(0, 192, 192, 0.06), transparent 50%)
                , var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    color: var(--text-color);
}

.maintenance-wrapper {
    padding: 40px 20px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.maintenance-card {
    max-width: 720px;
    width: 100%;
    padding: clamp(32px, 6vw, 48px);
    border-radius: 24px;
    border: 1px solid rgba(0, 192, 192, 0.25);
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95), rgba(20, 20, 20, 0.85));
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    display: grid;
    gap: clamp(20px, 4vw, 32px);
    text-align: center;
}

.maintenance-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.maintenance-logo .logo-text {
    font-family: var(--font-mono);
    font-size: clamp(1.8rem, 5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent-color);
}

.maintenance-logo .logo-caption {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.maintenance-card h1 {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 600;
    margin: 0;
    color: var(--text-color);
}

.maintenance-lead {
    font-size: clamp(1.05rem, 2.5vw, 1.3rem);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.maintenance-progress {
    text-align: left;
    display: grid;
    gap: 12px;
    padding: 22px 24px;
    border-radius: 18px;
    border: 1px solid rgba(0, 192, 192, 0.25);
    background: rgba(0, 192, 192, 0.05);
}

.maintenance-progress .progress-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.progress-bar-track {
    width: 100%;
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.07);
    overflow: hidden;
}

.progress-bar-fill {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(0, 192, 192, 0.2), var(--accent-color));
    box-shadow: 0 0 20px rgba(0, 192, 192, 0.45);
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.6);
}

.maintenance-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: 18px;
}

.maintenance-status-card {
    position: relative;
    padding: 24px 22px 24px 60px;
    border-radius: 18px;
    border: 1px solid rgba(0, 192, 192, 0.18);
    background: rgba(10, 10, 10, 0.65);
    text-align: left;
    overflow: hidden;
}

.maintenance-status-card::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 24px;
    width: 20px;
    height: 20px;
    border-radius: 6px;
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.15), rgba(0, 192, 192, 0.6));
    border: 1px solid rgba(0, 192, 192, 0.55);
    box-shadow: 0 0 14px rgba(0, 192, 192, 0.35);
}

.maintenance-status-card h2 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--text-color);
}

.maintenance-status-card p {
    margin: 0;
    font-size: 0.97rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.maintenance-checklist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.maintenance-checklist li {
    position: relative;
    padding-left: 28px;
    text-align: left;
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.5;
}

.maintenance-checklist li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 10px rgba(0, 192, 192, 0.35);
}

.maintenance-note {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.maintenance-timeline {
    text-align: left;
    display: grid;
    gap: 16px;
}

.maintenance-timeline h2 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--text-color);
}

.maintenance-timeline ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.maintenance-timeline li {
    position: relative;
    padding-left: 68px;
    min-height: 46px;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    line-height: 1.5;
}

.maintenance-timeline li span {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.16em;
    color: rgba(255, 255, 255, 0.6);
}

.maintenance-timeline li::before {
    content: '';
    position: absolute;
    left: 38px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.maintenance-timeline li.done::before {
    background: var(--accent-color);
    border-color: rgba(0, 192, 192, 0.6);
}

.maintenance-timeline li.done {
    color: rgba(255, 255, 255, 0.65);
}

.maintenance-timeline li.active {
    color: var(--text-color);
    font-weight: 500;
}

.maintenance-cta {
    display: grid;
    gap: 12px;
    text-align: center;
}

.maintenance-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 12px;
    border: 1px solid rgba(0, 192, 192, 0.5);
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.18), rgba(0, 192, 192, 0.4));
    color: var(--bg-color);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    text-decoration: none;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.maintenance-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(0, 192, 192, 0.3);
}

.cta-hint {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
}

.maintenance-note a {
    color: var(--accent-color);
    text-decoration: none;
}

.maintenance-note a:hover {
    text-decoration: underline;
}

.maintenance-footer {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 540px) {
    .maintenance-card {
        border-radius: 18px;
        padding: 28px 22px;
    }

    .maintenance-checklist li {
        font-size: 0.95rem;
    }
}

/* Главный экран */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: calc(var(--nav-height) + 2rem) 0 4rem;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 229, 204, 0.12), transparent 60%),
        radial-gradient(circle at 80% 70%, rgba(0, 180, 255, 0.1), transparent 60%),
        radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.05), transparent 80%),
        var(--bg-color);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.02) 2px,
            rgba(255, 255, 255, 0.02) 4px
        );
    opacity: 0.3;
}

/* Видео для hero секции (только десктоп) */
.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.1);
    min-width: 100%;
    min-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
    display: block;
    filter: blur(1px) brightness(0.7);
}

/* Затемняющий оверлей для читаемости текста */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block; 
    background: linear-gradient(
        180deg,
        rgba(5, 9, 20, 0.7) 0%,
        rgba(5, 9, 20, 0.4) 50%,
        rgba(5, 9, 20, 0.8) 100%
    );
    z-index: 1;
}

.hero-canvas {
    width: 100%;
    height: 100%;
    opacity: 0.4;
    display: none;
}

/* Мобильная версия - показываем canvas, скрываем видео */
@media (max-width: 960px) {
    .hero-video {
        display: none;
    }
    
    .hero-canvas {
        display: block;
    }
    
    .hero-overlay {
        background: linear-gradient(
            180deg,
            rgba(5, 9, 20, 0.6) 0%,
            rgba(5, 9, 20, 0.3) 50%,
            rgba(5, 9, 20, 0.7) 100%
        );
    }
}

.hero-content {
    text-align: center;
    max-width: 1100px;
    padding: 0 clamp(1rem, 5vw, 3rem);
    position: relative;
    z-index: 3;
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 40px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

.hero-logo {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: clamp(2rem, 5vw, 3rem);
    position: relative;
}

.hero-logo .logo-text {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    background: linear-gradient(
        135deg, 
        var(--accent-color), 
        var(--accent-secondary)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGlow 5s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(0, 229, 204, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 40px rgba(0, 229, 204, 0.6));
    }
}

.hero-logo .logo-text {
    will-change: filter;
    transform: translateZ(0);
}

.hero-logo .logo-caption {
    font-size: clamp(0.65rem, 1.2vw, 0.85rem);
    letter-spacing: 0.3em;
    color: var(--text-muted);
    text-transform: uppercase;
    font-family: var(--font-mono);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
    letter-spacing: -0.02em;
    color: var(--text-color);
    line-height: 1.2;
    background: linear-gradient(
        180deg, 
        var(--text-color) 0%, 
        var(--text-secondary) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.tech-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.1), rgba(51, 170, 221, 0.05));
    border: 1px solid rgba(0, 192, 192, 0.24);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 192, 192, 0.1);
    will-change: transform, background, border-color, box-shadow;
    transform: translateZ(0);
}

.tech-item:hover .tech-icon {
    transform: scale(1.1) rotate(5deg) translateZ(0);
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.2), rgba(51, 170, 221, 0.15));
    border-color: var(--accent-color);
    box-shadow: 0 6px 20px rgba(0, 192, 192, 0.3), var(--shadow-glow);
}

.hero-cta {
    margin-top: var(--space-2xl);
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.cta-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--accent-gradient);
    border: none;
    color: var(--bg-color);
    font-family: var(--font-sans);
    font-size: clamp(0.9rem, 2vw, 1rem);
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 1rem 2rem;
    text-decoration: none;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 
        0 4px 20px rgba(0, 229, 204, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    min-height: 56px;
    cursor: pointer;
    will-change: transform;
}

.cta-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2), 
        transparent
    );
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.cta-button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        var(--accent-secondary), 
        var(--accent-tertiary)
    );
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.cta-button .btn-text {
    position: relative;
    z-index: 2;
}

.cta-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 
        0 12px 40px rgba(0, 229, 204, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset,
        var(--shadow-glow),
        0 0 60px rgba(0, 229, 204, 0.4);
}

.cta-button:hover::before {
    opacity: 1;
}

.cta-button:active {
    transform: translateY(-1px) scale(1.02);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.4), 
        transparent
    );
    transition: left 1s ease;
    z-index: 1;
}

.cta-button:hover .btn-glow {
    left: 100%;
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--text-color);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.btn-outline::before {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1), 
        transparent
    );
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--text-color);
    box-shadow: 
        0 8px 30px rgba(255, 255, 255, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    transform: translateY(-3px);
}

.hero-value {
    max-width: 700px;
    margin: var(--space-2xl) auto 0;
}

.hero-value ul {
    display: grid;
    gap: var(--space-md);
    list-style: none;
    padding: 0;
    margin: 0;
}

.hero-value li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    color: var(--text-secondary);
    background: rgba(0, 229, 204, 0.05);
    border: 1px solid rgba(0, 229, 204, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    transition: all var(--transition-smooth);
}

.hero-value li:hover {
    background: rgba(0, 229, 204, 0.1);
    border-color: rgba(0, 229, 204, 0.3);
    transform: translateX(5px);
}

.hero-secondary {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.05);
}

.hero-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 720px) {
    .hero-content {
        padding: 0 20px;
    }

    .hero-value ul {
        gap: var(--space-xs);
    }

    .hero-value li {
        font-size: 0.95rem;
        line-height: 1.6;
        padding: 16px 20px;
        box-sizing: border-box;
    }
    
    /* K1 Showcase Mobile Redesign */
    .k1-showcase-section {
        padding: 60px 0;
        min-height: 500px;
    }
    
    .k1-showcase-section::before {
        opacity: 0.2;
    }
    
    .k1-content {
        grid-template-columns: 1fr;
        gap: 0;
        max-width: 100%;
    }
    
    /* Mobile-first image styling */
    .k1-image-container {
        display: none;
    }
    
    .k1-image {
        /* No longer needed */
    }
    
    /* Always show overlay on mobile */
    .k1-image-overlay {
        /* No longer needed */
    }
    
    .k1-specs {
        /* No longer needed */
    }
    
    .spec-item {
        /* No longer needed */
    }
    
    .spec-label {
        /* No longer needed */
    }
    
    .spec-value {
        /* No longer needed */
    }
    
    /* Description section */
    .k1-description {
        padding: var(--space-xl) 0 0;
        padding-left: 0 !important;
        padding-right: 0 !important;
        max-width: 100%;
    }
    
    .section-title {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
        margin-bottom: var(--space-lg);
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        text-align: left;
    }
    
    .k1-subtitle {
        font-size: 1.1rem;
        margin-bottom: 16px;
        line-height: 1.4;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .k1-text {
        font-size: 1.05rem;
        line-height: 1.65;
        margin-bottom: var(--space-lg);
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    /* Sticky CTA redesign for mobile */
    .k1-sticky {
        margin: var(--space-lg) 0;
        position: sticky;
        top: calc(var(--nav-height) + 10px);
        z-index: 10;
    }
    
    .k1-sticky-body {
        padding: 18px 16px;
        border-radius: 12px;
        background: linear-gradient(135deg, rgba(0, 192, 192, 0.15), rgba(0, 87, 255, 0.18));
        border: 1px solid rgba(0, 192, 192, 0.4);
        box-shadow: 0 8px 24px rgba(0, 87, 255, 0.25);
    }
    
    .k1-sticky-body p {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 12px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .k1-sticky-label {
        font-size: 0.8rem;
        text-align: center;
        line-height: 1.4;
        margin-bottom: 4px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .k1-sticky-actions {
        flex-direction: row;
        gap: 10px;
        justify-content: center;
    }
    
    .k1-sticky-actions a {
        flex: 1;
        justify-content: center;
        min-height: 44px;
        font-size: 0.9rem;
        padding: 12px 16px;
        text-align: center;
    }
    
    /* Feature cards mobile optimization */
    .k1-features {
        gap: var(--space-md);
        margin-top: var(--space-lg);
    }
    
    .feature-highlight {
        padding: var(--space-md);
        gap: 16px;
        border-radius: 12px;
        background: var(--bg-color);
    }
    
    .feature-highlight:hover {
        transform: translateX(0);
    }
    
    .feature-icon::before {
        width: 12px;
        height: 12px;
        margin-top: 4px;
    }
    
    .feature-content h4 {
        font-size: 1rem;
        margin-bottom: 6px;
    }
    
    .feature-content p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
}

@media (max-width: 600px) {
    .nav-container {
        padding: 0 20px;
    }

    .hero-section {
        padding-top: 100px;
        padding-bottom: 80px;
    }

    .hero-content {
        padding: 0 16px;
        max-width: 100%;
    }

    .hero-title {
        font-size: clamp(2.1rem, 8vw, 2.8rem);
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.05rem;
        line-height: 1.6;
        margin-bottom: 32px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        width: 100%;
        max-width: 100%;
    }

    .hero-cta a {
        width: 100%;
        justify-content: center;
        text-align: center;
        min-height: 52px;
        padding: 16px 24px;
        font-size: 1rem;
    }

    section {
        padding: 60px 0;
    }

    .applications-grid,
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        width: 100%;
    }

    .application-item,
    .tech-item {
        padding: 28px 22px;
        width: 100%;
        box-sizing: border-box;
    }

    .about-grid {
        gap: var(--space-xl);
        grid-template-columns: 1fr;
    }

    .team-card {
        padding: 28px 22px;
        width: 100%;
        box-sizing: border-box;
    }

    .projects-timeline {
        padding: 0 12px;
        width: 100%;
        max-width: 100%;
        grid-template-columns: 1fr;
    }

    .project-item {
        padding: 28px 22px;
        width: 100%;
        box-sizing: border-box;
    }
}

/* Секции */
section {
    padding: clamp(80px, 16vw, 140px) 0;
    animation: sectionFadeIn 0.8s ease-out;
    width: 100%;
    max-width: 100vw;
}

@keyframes sectionFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-2xl);
    text-align: center;
    color: var(--text-color);
    letter-spacing: -0.01em;
    line-height: 1.2;
    position: relative;
    padding-bottom: var(--space-lg);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
}

.section-intro {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-3xl);
    color: var(--text-secondary);
    font-weight: 400;
}

/* О нас */
.about-section {
    background: var(--bg-secondary);
    position: relative;
    padding: var(--space-4xl) 0;
}

.about-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 229, 204, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 180, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about-content {
    display: grid;
    gap: var(--space-xl);
}

.about-text {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-pillars {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-md);
}

.about-pillars li {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.about-pillars li::before {
    content: '→';
    color: var(--accent-color);
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.about-pillars li:hover {
    border-color: var(--accent-color);
    background: var(--bg-tertiary);
    transform: translateX(8px);
    box-shadow: 0 4px 20px rgba(0, 229, 204, 0.1);
}

.team-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--glass-shadow);
    display: grid;
    gap: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.team-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(
        135deg,
        var(--liquid-glow-1),
        var(--liquid-glow-2),
        var(--liquid-glow-3),
        var(--liquid-glow-1)
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    animation: liquid-shimmer 8s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow), 0 0 60px rgba(0, 229, 204, 0.2);
    border-color: rgba(0, 229, 204, 0.4);
}

.team-card:hover::before {
    opacity: 1;
}

.team-figure {
    display: grid;
    gap: var(--space-md);
}

.team-figure img {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    object-fit: cover;
    aspect-ratio: 1 / 1;
}

.team-figure figcaption {
    display: grid;
    gap: 4px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.team-figure strong {
    font-size: 1.15rem;
    color: var(--text-color);
    font-weight: 600;
}

.team-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 960px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .team-card {
        order: -1;
    }
}

/* Наши преимущества */
.advantages-section {
    background: var(--bg-color);
    position: relative;
    padding: var(--space-4xl) 0;
}

.advantages-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(0, 229, 204, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(51, 170, 221, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--space-xl);
    max-width: var(--max-width);
    margin: 0 auto;
}

.advantage-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--glass-shadow);
    display: grid;
    gap: var(--space-md);
    position: relative;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
    will-change: transform, opacity;
}

.advantage-card:nth-child(1) { animation-delay: 0.1s; }
.advantage-card:nth-child(2) { animation-delay: 0.2s; }
.advantage-card:nth-child(3) { animation-delay: 0.3s; }
.advantage-card:nth-child(4) { animation-delay: 0.4s; }
.advantage-card:nth-child(5) { animation-delay: 0.5s; }
.advantage-card:nth-child(6) { animation-delay: 0.6s; }

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--accent-gradient);
    transition: height var(--transition-smooth);
    border-radius: 0 2px 2px 0;
    z-index: 1;
}

.advantage-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(
        135deg,
        var(--liquid-glow-1),
        var(--liquid-glow-2),
        var(--liquid-glow-3),
        var(--liquid-glow-1)
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    animation: liquid-shimmer 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.advantage-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-lg), 0 16px 48px rgba(0, 229, 204, 0.3), 0 0 80px rgba(0, 229, 204, 0.2);
    border-color: rgba(0, 229, 204, 0.5);
}

.advantage-card:hover::before {
    height: 100%;
}

.advantage-card:hover::after {
    opacity: 1;
}

.advantage-card h3 {
    font-size: clamp(1.2rem, 2vw, 1.4rem);
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    line-height: 1.3;
    position: relative;
}

.advantage-card p {
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

@media (max-width: 640px) {
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* Области применения */
.applications-section {
    background: var(--bg-color);
    position: relative;
    padding: var(--space-4xl) 0;
}

.applications-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 180, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--space-xl);
    max-width: var(--max-width);
    margin: 0 auto;
}

.application-item {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: var(--space-2xl) var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    position: relative;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
    will-change: transform, opacity;
}

.application-item:nth-child(1) { animation-delay: 0.1s; }
.application-item:nth-child(2) { animation-delay: 0.2s; }
.application-item:nth-child(3) { animation-delay: 0.3s; }
.application-item:nth-child(4) { animation-delay: 0.4s; }
.application-item:nth-child(5) { animation-delay: 0.5s; }
.application-item:nth-child(6) { animation-delay: 0.6s; }

.application-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, 
        var(--accent-color), 
        var(--accent-secondary)
    );
    opacity: 0;
    transition: opacity var(--transition-smooth);
    z-index: 1;
}

.application-item::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(
        135deg,
        var(--liquid-glow-1),
        var(--liquid-glow-2),
        var(--liquid-glow-3),
        var(--liquid-glow-1)
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    animation: liquid-shimmer 8s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.application-item:hover {
    transform: translateY(-12px) translateX(4px) scale(1.02);
    border-color: rgba(0, 229, 204, 0.6);
    box-shadow: var(--shadow-lg), var(--shadow-glow), 0 0 80px rgba(0, 229, 204, 0.25);
}

.application-item:hover::before,
.application-item:hover::after {
    opacity: 1;
}

.app-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    display: block;
    color: var(--accent-color);
}

.app-title {
    font-size: clamp(1.2rem, 2vw, 1.4rem);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-color);
    line-height: 1.3;
}

.app-description {
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Технологии */
.technology-section {
    background: var(--bg-secondary);
    position: relative;
    padding: var(--space-4xl) 0;
}

.technology-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(0, 229, 204, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: var(--space-xl);
    max-width: var(--max-width);
    margin: 0 auto;
}

.tech-item {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
    will-change: transform, opacity;
}

.tech-item:nth-child(1) { animation-delay: 0.1s; }
.tech-item:nth-child(2) { animation-delay: 0.2s; }
.tech-item:nth-child(3) { animation-delay: 0.3s; }
.tech-item:nth-child(4) { animation-delay: 0.4s; }
.tech-item:nth-child(5) { animation-delay: 0.5s; }

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, 
        rgba(0, 229, 204, 0.15), 
        transparent 70%
    );
    opacity: 0;
    transition: opacity var(--transition-smooth);
    z-index: 0;
}

.tech-item::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(
        90deg,
        var(--liquid-glow-1),
        var(--liquid-glow-2),
        var(--liquid-glow-3),
        var(--liquid-glow-1)
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    animation: liquid-shimmer 8s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

.tech-item:hover {
    border-color: rgba(0, 229, 204, 0.6);
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow), 0 0 80px rgba(0, 229, 204, 0.25);
}

.tech-item:hover::before {
    opacity: 1;
}

.tech-item:hover::after {
    opacity: 1;
}

.tech-highlight {
    background: linear-gradient(135deg, 
        rgba(0, 229, 204, 0.05), 
        var(--bg-card)
    );
    border-color: rgba(0, 229, 204, 0.3);
}

.tech-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--space-md);
    line-height: 1;
}

.tech-title {
    font-size: clamp(1.2rem, 2vw, 1.4rem);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-color);
    line-height: 1.3;
}

.tech-description {
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Проекты */
.projects-section {
    background: linear-gradient(180deg, var(--bg-color) 0%, rgba(10, 10, 10, 0.98) 100%);
    position: relative;
}

.projects-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 40% 60%, rgba(0, 192, 192, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.projects-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.project-item {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    margin-bottom: 30px;
    position: relative;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

.project-item::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(
        90deg,
        var(--liquid-glow-1),
        var(--liquid-glow-2),
        var(--liquid-glow-3),
        var(--liquid-glow-1)
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    animation: liquid-shimmer 8s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

.project-item:hover {
    border-color: var(--accent-color);
    transform: translateX(8px);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(0, 192, 192, 0.25);
}

.project-item:hover::before {
    opacity: 1;
}

.project-item.active {
    border-color: var(--accent-color);
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 1px rgba(0, 192, 192, 0.2);
}

.project-item.upcoming {
    opacity: 0.7;
    border-style: dashed;
}

.project-status {
    display: inline-block;
    background: var(--accent-color);
    color: var(--bg-color);
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-color);
}

.project-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.project-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width 1.2s cubic-bezier(0.25, 0.1, 0.25, 1);
    box-shadow: 0 0 10px rgba(0, 192, 192, 0.4);
}

.progress-text {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 600;
}

/* Контакты */
.contact-section {
    background: var(--bg-secondary);
     padding-bottom: 0;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(circle at 20% 30%, #fff 1px, transparent 1px),
                radial-gradient(circle at 80% 20%, #fff 1.2px, transparent 1.2px),
                radial-gradient(circle at 60% 80%, #fff 1.5px, transparent 1.5px),
                radial-gradient(circle at 40% 60%, #fff 1px, transparent 1px),
                radial-gradient(circle at 70% 50%, #fff 1.3px, transparent 1.3px),
                radial-gradient(circle at 30% 70%, #fff 1.1px, transparent 1.1px),
                radial-gradient(circle at 50% 40%, #fff 1.4px, transparent 1.4px);
    background-size: 100% 100%;
    opacity: 0.18;
    animation: stars-move 30s linear infinite;
}

.contact-section > .container {
    position: relative;
    z-index: 1;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 40px;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-criteria {
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin: 32px 0;
    padding: 32px 28px;
    box-shadow: 0 4px 24px rgba(0,192,192,0.07);
    transition: box-shadow 0.5s;
}
.contact-criteria:hover {
    box-shadow: 0 8px 32px rgba(0,192,192,0.13);
    border-color: var(--accent-color);
}
.contact-criteria h3 {
    color: var(--accent-color);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 18px;
    letter-spacing: 0.02em;
    text-align: left;
}
.contact-criteria ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.contact-criteria ul li {
    font-size: 1.08rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
    padding-left: 0.5em;
    position: relative;
    transition: background 0.4s, color 0.4s;
}
.contact-criteria ul li:last-child {
    margin-bottom: 0;
}
.contact-criteria ul li::before {
    content: '•';
    color: var(--accent-color);
    font-size: 1.2em;
    position: absolute;
    left: -0.7em;
    top: 0;
}
.contact-criteria ul li.investor {
    background: linear-gradient(90deg, rgba(0,192,192,0.08) 0%, rgba(51,170,221,0.08) 100%);
    color: var(--accent-color);
    font-weight: 600;
    border-radius: 6px;
    padding: 8px 0.5em 8px 0.5em;
    box-shadow: 0 2px 8px rgba(0,192,192,0.07);
}
.contact-goodluck {
    text-align: center;
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-top: 32px;
    font-weight: 500;
}

.contact-item {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.contact-type {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.contact-email {
    display: inline-block;
    font-size: 1.3rem;
    color: var(--accent-color);
    text-decoration: none;
    font-family: var(--font-mono);
    font-weight: 500;
    transition: opacity 0.3s ease;
    padding: 8px 4px;
    min-height: 44px;
    line-height: 1.4;
}

.contact-email:hover {
    opacity: 0.8;
}

/* Форма */
.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--bg-color) 0%, rgba(10, 10, 10, 0.95) 100%);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 192, 192, 0.2);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 192, 192, 0.08);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 192, 192, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.form-group {
    position: relative;
    margin-bottom: 40px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 18px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    outline: none;
    transition: border-color 0.5s ease;
    resize: vertical;
}

.form-group textarea {
    min-height: 120px;
}

.form-group label {
    position: absolute;
    top: 18px;
    left: 0;
    font-size: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
    transition: all var(--transition-smooth);
    transform: translateX(-50%);
    box-shadow: 0 0 8px rgba(0, 192, 192, 0.5);
}

.form-group input:focus ~ .input-line,
.form-group textarea:focus ~ .input-line {
    width: 100%;
}

.submit-btn {
    background: linear-gradient(135deg, transparent, rgba(0, 192, 192, 0.05));
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    padding: 18px 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 192, 192, 0.1);
}

.submit-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    color: var(--bg-color);
    box-shadow: 0 0 40px rgba(0, 192, 192, 0.5), 0 8px 32px rgba(0, 192, 192, 0.3), var(--shadow-glow);
    transform: translateY(-2px) scale(1.02);
    border-color: var(--accent-secondary);
}

.submit-btn:hover::before {
    opacity: 1;
}

.form-message {
    text-align: center;
    margin-top: 25px;
    padding: 20px;
    border-radius: 8px;
    font-size: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-message.success {
    background: rgba(0, 192, 192, 0.1);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    opacity: 1;
}

.form-message.error {
    background: rgba(255, 100, 100, 0.1);
    border: 1px solid #ff6464;
    color: #ff6464;
    opacity: 1;
}

.form-message.info {
    background: rgba(51, 170, 221, 0.1);
    border: 1px solid var(--accent-secondary);
    color: var(--accent-secondary);
    opacity: 1;
}

/* Футер */
.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-3xl) 0 var(--space-xl);
    position: relative;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--accent-color) 30%, 
        var(--accent-secondary) 70%, 
        transparent
    );
    opacity: 0.6;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(1rem, 5vw, 3rem);
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xl);
    }
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-family: var(--font-mono);
    line-height: 1;
}

.footer-logo .logo-text {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    background: linear-gradient(135deg, 
        var(--accent-color), 
        var(--accent-secondary)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.footer-text {
    color: var(--text-muted);
    font-size: clamp(0.85rem, 1.5vw, 0.95rem);
}

.arlist-signature {
    margin-top: var(--space-2xl);
    text-align: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.08);
    text-transform: uppercase;
}

.footer-link {
    color: var(--accent-color);
    text-decoration: none;
    transition: all var(--transition-smooth);
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        var(--accent-color), 
        var(--accent-secondary)
    );
    transition: width var(--transition-smooth);
}

.footer-link:hover {
    color: var(--accent-secondary);
}

.footer-link:hover::after {
    width: 100%;
}

/* Платформа K1 Showcase */
.k1-showcase-section {
    background: var(--bg-color);
    padding: 150px 0;
    position: relative;
    min-height: 700px;
}

.k1-showcase-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/k1-drone-MAINVIEW.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    z-index: 1;
}

.k1-showcase-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.85) 50%, rgba(10, 10, 10, 0.7) 100%);
    z-index: 1;
}

.k1-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    align-items: flex-start;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.k1-image-container {
    display: none;
}

.k1-image-container:hover {
    /* No longer needed - image is now a background */
}

.k1-image {
    /* No longer needed - image is now a background */
}

.k1-image-container:hover .k1-image {
    /* No longer needed - image is now a background */
}

.k1-image-overlay {
    /* No longer needed - image is now a background */
}

.k1-image-container:hover .k1-image-overlay {
    /* No longer needed - image is now a background */
}

.k1-specs {
    /* No longer needed - overlay removed */
}

.spec-item {
    /* No longer needed - overlay removed */
}

.spec-label {
    /* No longer needed - overlay removed */
}

.spec-value {
    /* No longer needed - overlay removed */
}

.k1-description {
    padding-left: 0;
    max-width: 800px;
    text-align: left;
}


.k1-sticky {
    position: static;
    margin: var(--space-xl) 0;
}

.k1-sticky-body {
    display: grid;
    gap: var(--space-sm);
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.12), rgba(0, 87, 255, 0.16));
    border: 1px solid rgba(0, 192, 192, 0.35);
    border-radius: 18px;
    padding: var(--space-lg);
    box-shadow: 0 16px 50px rgba(0, 87, 255, 0.18);
}



.k1-sticky-label {
    font-family: var(--font-mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.k1-sticky-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.k1-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-color);
    line-height: 1.1;
}

.k1-subtitle {
    font-size: 1.3rem;
    color: var(--accent-color);
    margin-bottom: 30px;
    font-weight: 500;
}

.k1-text {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
}

.k1-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature-highlight {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: 14px;
    border: 1px solid var(--border-color);
    transition: all 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.feature-highlight::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent-color), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.6s ease;
}

.feature-icon {
    min-width: 24px;
}

.feature-icon::before {
    content: '';
    display: block;
    width: 14px;
    height: 14px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-secondary));
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 192, 192, 0.5);
    margin-top: 6px;
}

.feature-highlight:hover {
    border-color: var(--accent-color);
    transform: translateX(12px);
    background: var(--bg-tertiary);
    box-shadow: 0 6px 24px rgba(0, 192, 192, 0.1);
}

.feature-highlight:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 1.8rem;
    min-width: 40px;
    text-align: center;
}

.feature-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Synergia 1.0 */
.synergia-hero {
    background: radial-gradient(120% 120% at 50% 10%, rgba(0, 192, 192, 0.2), rgba(10, 10, 10, 0.95)), linear-gradient(135deg, rgba(0, 87, 255, 0.35), rgba(0, 192, 192, 0.08));
    padding-top: 120px;
}

.synergia-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 20%, rgba(0, 192, 192, 0.2), transparent 55%),
                radial-gradient(circle at 80% 15%, rgba(0, 87, 255, 0.15), transparent 50%);
    opacity: 0.55;
    pointer-events: none;
    z-index: 1;
}

.synergia-hero .hero-content {
    position: relative;
    z-index: 2;
}

.synergia-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(0, 192, 192, 0.12);
    color: var(--accent-color);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 26px;
}

.synergia-tagline {
    font-size: clamp(1.2rem, 2.8vw, 1.6rem);
    color: var(--text-secondary);
    max-width: 780px;
    margin: 0 auto 38px;
    line-height: 1.6;
}

.synergia-hero-points {
    display: inline-flex;
    gap: 18px;
    padding: 14px 24px;
    border-radius: 999px;
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid rgba(0, 192, 192, 0.25);
    box-shadow: 0 12px 40px rgba(0, 192, 192, 0.15);
    margin-bottom: 46px;
    flex-wrap: wrap;
    justify-content: center;
}

.synergia-hero-points span {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-color);
    letter-spacing: 0.1em;
}

.synergia-cta .cta-button {
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
}

.synergia-cta .cta-button:hover {
    background: #fff;
    color: var(--bg-color);
}

.synergia-overview {
    background: var(--bg-secondary);
    padding: 140px 0;
}

.synergia-overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 60px;
    align-items: start;
}

.synergia-overview-text .section-intro {
    margin-bottom: 32px;
}

.synergia-specs-card {
    background: var(--bg-color);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 36px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.synergia-specs-card h3 {
    font-size: 1.4rem;
    color: var(--text-color);
    margin-bottom: 24px;
}

.synergia-specs-card ul {
    list-style: none;
    display: grid;
    gap: 16px;
}

.synergia-specs-card li {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.synergia-specs-card li span {
    color: var(--accent-color);
    font-family: var(--font-mono);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    display: inline-block;
    margin-right: 6px;
}

.synergia-capabilities {
    background: var(--bg-color);
    padding: 140px 0;
}

.synergia-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 32px;
}

.synergia-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 34px 30px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.synergia-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-color);
}

.synergia-card h3 {
    font-size: 1.35rem;
    color: var(--text-color);
    margin-bottom: 18px;
}

.synergia-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.synergia-dialog {
    background: var(--bg-secondary);
    padding: 140px 0;
}

.synergia-dialog-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: var(--space-2xl);
}

.synergia-dialog-flow ol {
    list-style: none;
    counter-reset: steps;
    display: grid;
    gap: 24px;
}

.synergia-dialog-flow li {
    position: relative;
    padding: 20px 24px 20px 64px;
    border-radius: 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
}

.synergia-dialog-flow li::before {
    counter-increment: steps;
    content: counter(steps, decimal-leading-zero);
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-color);
}

.synergia-dialog-flow li span {
    color: var(--accent-color);
    font-weight: 600;
    display: block;
    margin-bottom: 6px;
}

.synergia-dialog-card {
    background: var(--bg-color);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 34px;
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.22);
}

.synergia-dialog-card h3 {
    font-size: 1.3rem;
    margin-bottom: 18px;
}

.synergia-dialog-card ul {
    list-style: none;
    display: grid;
    gap: 18px;
    color: var(--text-secondary);
}

.synergia-dialog-card span {
    color: var(--accent-color);
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
}

.synergia-architecture {
    background: var(--bg-color);
    padding: 140px 0;
}

.synergia-architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: 28px;
}

.synergia-architecture-card {
    background: var(--bg-secondary);
    border-radius: 14px;
    border: 1px solid var(--border-color);
    padding: 32px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.synergia-architecture-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.synergia-usecases {
    background: var(--bg-secondary);
    padding: 140px 0;
}

.synergia-cta-section {
    background: linear-gradient(135deg, rgba(0, 87, 255, 0.12), rgba(0, 192, 192, 0.16));
    padding: 140px 0;
}

.synergia-cta-card {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    background: rgba(10, 10, 10, 0.85);
    border-radius: 24px;
    border: 1px solid rgba(0, 192, 192, 0.35);
    padding: var(--space-2xl);
    box-shadow: 0 24px 80px rgba(0, 87, 255, 0.25);
}

.synergia-cta-card h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 20px;
}

.synergia-cta-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 36px;
}

.synergia-cta-actions {
    display: flex;
    gap: 26px;
    justify-content: center;
    flex-wrap: wrap;
}

.secondary-link {
    font-family: var(--font-mono);
    font-size: 0.96rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-color);
    text-decoration: none;
    padding: 16px 24px;
    border-radius: 10px;
    border: 1px solid rgba(0, 192, 192, 0.35);
    transition: all 0.3s ease;
}

.secondary-link:hover {
    background: rgba(0, 192, 192, 0.12);
}

.project-link-wrapper {
    margin-top: 24px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-color);
    text-decoration: none;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 12px 16px;
    min-height: 44px;
    border-radius: 8px;
    border: 1px solid rgba(0, 192, 192, 0.3);
    transition: all 0.3s ease;
}

.project-link::after {
    content: '↗';
    font-size: 1rem;
}

.project-link:hover {
    background: rgba(0, 192, 192, 0.1);
    border-color: var(--accent-color);
}

.faq-section {
    background: var(--bg-secondary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.faq-item {
    background: linear-gradient(135deg, var(--bg-color) 0%, rgba(10, 10, 10, 0.95) 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    padding: var(--space-xl);
    box-shadow: 0 18px 48px rgba(0,0,0,0.28);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.faq-item:nth-child(1) { animation-delay: 0.1s; }
.faq-item:nth-child(2) { animation-delay: 0.2s; }
.faq-item:nth-child(3) { animation-delay: 0.3s; }
.faq-item:nth-child(4) { animation-delay: 0.4s; }
.faq-item:nth-child(5) { animation-delay: 0.5s; }
.faq-item:nth-child(6) { animation-delay: 0.6s; }

.faq-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(0, 192, 192, 0.05), transparent 60%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.faq-item[open] {
    border-color: var(--accent-color);
    box-shadow: 0 22px 62px rgba(0, 192, 192, 0.35), var(--shadow-glow);
    transform: translateY(-4px) scale(1.01);
}

.faq-item[open]::before {
    opacity: 1;
}

.faq-item summary {
    font-weight: 600;
    font-size: 1.2rem;
    list-style: none;
    cursor: pointer;
    position: relative;
    padding-right: 28px;
}

.faq-item summary:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 6px;
}

.faq-item summary::marker,
.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: transform var(--transition-smooth), text-shadow var(--transition-smooth);
    text-shadow: 0 0 8px rgba(0, 192, 192, 0.3);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
    text-shadow: 0 0 16px rgba(0, 192, 192, 0.6);
}

.faq-item p {
    margin-top: var(--space-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.05rem;
}

.join-section {
    padding: var(--space-xxl) 0;
    background: radial-gradient(circle at top right, rgba(0, 192, 192, 0.12), transparent 55%),
                linear-gradient(135deg, rgba(10, 10, 10, 0.92), rgba(12, 20, 32, 0.95));
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.join-card {
    max-width: 940px;
    margin: 0 auto;
    padding: var(--space-xl);
    background: rgba(10, 10, 12, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    text-align: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.join-intro {
    margin-top: var(--space-md);
    margin-bottom: var(--space-lg);
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.join-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin: 0 0 var(--space-xl);
    padding: 0;
    list-style: none;
}

.join-list li {
    padding: 12px 20px;
    border: 1px solid rgba(0, 192, 192, 0.3);
    border-radius: 999px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    background: rgba(0, 192, 192, 0.05);
    color: var(--text-color);
}

.join-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

.join-actions .btn-large {
    min-width: 220px;
}

@media (max-width: 640px) {
    .join-card {
        padding: var(--space-lg);
    }

    .join-list {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .join-list li {
        text-align: center;
        width: 100%;
    }
    
    .contact-criteria {
        padding: 24px 20px;
        margin: 24px 0;
    }
    
    .contact-criteria h3 {
        font-size: 1.15rem;
        margin-bottom: 16px;
    }
    
    .contact-criteria ul li {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 16px;
        padding-left: 1em;
    }
    
    .contact-cta-card {
        padding: 28px 20px;
    }
    
    .contact-cta-actions {
        flex-direction: column;
        gap: 14px;
        width: 100%;
    }
    
    .contact-cta-actions a {
        width: 100%;
        min-height: 48px;
    }
    
    /* Ensure all flex containers don't overflow */
    .hero-cta,
    .sr-cta-actions,
    .sgp-cta-actions,
    .synergia-cta-actions,
    .join-actions {
        width: 100%;
        max-width: 100%;
    }
    
    /* Ensure all cards fit properly */
    div[class*="-card"],
    div[class*="-panel"],
    .maintenance-card,
    .join-card,
    .contact-cta-card {
        max-width: 100%;
        box-sizing: border-box;
    }
}

/* --- Synergia teaser on index --- */
.synergia-teaser-section {
    background: var(--bg-secondary);
    position: relative;
}
.synergia-teaser-section::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(80% 60% at 10% 10%, rgba(0,192,192,0.08), transparent 60%),
                radial-gradient(70% 50% at 90% 0%, rgba(0,87,255,0.06), transparent 60%);
    pointer-events: none;
}
.synergia-teaser {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.synergia-teaser h2 {
    margin-bottom: 16px;
}
.synergia-teaser p.lead {
    color: var(--text-secondary);
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    margin-bottom: 22px;
}
.synergia-chips {
    display: flex; flex-wrap: wrap; gap: 10px 12px;
    margin: 18px 0 28px;
}
.synergia-chip {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 12px; border-radius: 999px;
    border: 1px solid rgba(0,192,192,0.35);
    background: rgba(10,10,10,0.6);
    color: var(--accent-color);
    font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: .08em;
}
.synergia-card-compact {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.25);
}
.synergia-card-compact h3 { margin-bottom: 12px; }
.synergia-list { list-style: none; display: grid; gap: 10px; color: var(--text-secondary); }
.synergia-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 26px; }

.synergia-architecture-mini {
    background: rgba(10,10,10,0.65);
    border: 1px solid rgba(0,192,192,0.25);
    border-radius: 18px;
    padding: var(--space-lg);
    box-shadow: 0 20px 60px rgba(0, 87, 255, 0.2);
}

.synergia-architecture-mini svg {
    width: 100%;
    height: auto;
    color: var(--text-secondary);
}

.synergia-architecture-mini .diagram-text {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    fill: var(--text-secondary);
}

/* --- Synergia Ground Pro page --- */
.sgp-hero {
    background: radial-gradient(80% 80% at 20% 20%, rgba(0, 192, 192, 0.08), transparent 65%),
                linear-gradient(135deg, rgba(10, 10, 10, 0.9), rgba(10, 30, 60, 0.85));
    padding-top: calc(var(--nav-height) + var(--space-xl));
}

.sgp-hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: clamp(32px, 6vw, 60px);
    align-items: center;
}

.sgp-hero-copy {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    position: relative;
    z-index: 2;
}

.sgp-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(0, 192, 192, 0.35);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-color);
    background: rgba(0, 192, 192, 0.08);
}

.sgp-hero-list {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
    margin: 0;
    padding: 0;
    color: var(--text-secondary);
}

.sgp-hero-list li::before {
    content: '•';
    color: var(--accent-color);
    margin-right: 10px;
}

.sgp-hero-visual {
    position: relative;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sgp-orbit {
    position: relative;
    width: clamp(260px, 40vw, 340px);
    aspect-ratio: 1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, rgba(0, 192, 192, 0.12) 0%, transparent 65%);
}

.sgp-orbit-track {
    position: absolute;
    inset: 18%;
    border-radius: 50%;
    border: 1px dashed rgba(0, 192, 192, 0.35);
    animation: orbit-spin 30s linear infinite;
}

.sgp-orbit-core {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(0, 192, 192, 0.35);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-color);
}

.sgp-orbit-satellite {
    position: absolute;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(0, 192, 192, 0.1);
    border: 1px solid rgba(0, 192, 192, 0.35);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-color);
}

.sgp-orbit-satellite:nth-child(3) { top: 10%; left: 50%; transform: translateX(-50%); }
.sgp-orbit-satellite:nth-child(4) { right: -10%; top: 50%; transform: translateY(-50%); }
.sgp-orbit-satellite:nth-child(5) { bottom: 8%; left: 50%; transform: translateX(-50%); }
.sgp-orbit-satellite:nth-child(6) { left: -8%; top: 50%; transform: translateY(-50%); }

.sgp-overview {
    padding: var(--space-xxl) 0;
    background: var(--bg-secondary);
}

.sgp-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: clamp(32px, 6vw, 60px);
    align-items: stretch;
}

.sgp-spec-card {
    background: rgba(10, 10, 10, 0.65);
    border: 1px solid rgba(0, 192, 192, 0.25);
    border-radius: 18px;
    padding: var(--space-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.sgp-spec-card h3 {
    margin-bottom: var(--space-md);
}

.sgp-spec-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-sm);
    color: var(--text-secondary);
}

.sgp-spec-card li span {
    display: block;
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 4px;
}

.sgp-capabilities {
    padding: var(--space-xxl) 0;
}

.sgp-capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: clamp(24px, 4vw, 36px);
}

.sgp-card {
    position: relative;
    padding: var(--space-xl);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(10, 10, 10, 0.65);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
    transition: transform 0.3s ease, border-color 0.3s ease;
    height: 100%;
}

.sgp-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 192, 192, 0.45);
}

.sgp-card-badge {
    position: absolute;
    top: 16px;
    right: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    color: rgba(0, 192, 192, 0.6);
}

.sgp-card h3 {
    margin-bottom: var(--space-sm);
}

.sgp-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.sgp-architecture {
    padding: var(--space-xxl) 0;
    background: var(--bg-secondary);
}

.sgp-architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: clamp(24px, 4vw, 36px);
}

.sgp-architecture-card {
    padding: var(--space-lg);
    border-radius: 16px;
    border: 1px solid rgba(0, 192, 192, 0.25);
    background: rgba(10, 10, 10, 0.55);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.sgp-architecture-card h3 {
    margin-bottom: var(--space-sm);
}

.sgp-architecture-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.sgp-cta {
    padding: var(--space-xxl) 0;
}

.sgp-cta-card {
    max-width: 860px;
    margin: 0 auto;
    padding: var(--space-xl);
    border-radius: 24px;
    border: 1px solid rgba(0, 192, 192, 0.3);
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.12), rgba(0, 87, 255, 0.12));
    text-align: center;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.sgp-cta-card p {
    color: var(--text-secondary);
    margin: var(--space-md) 0 var(--space-xl);
}

.sgp-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
}

@media (max-width: 720px) {
    .sgp-orbit-satellite:nth-child(4),
    .sgp-orbit-satellite:nth-child(6) {
        display: none;
    }

    .sgp-card {
        padding: var(--space-lg);
    }
    
    /* Ensure SGP orbit doesn't overflow */
    .sgp-orbit {
        max-width: calc(100vw - 40px);
    }
    
    .sgp-hero-visual {
        padding: 0 20px;
        overflow: hidden;
    }
}

/* --- Generic buttons --- */
.btn-gradient {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 16px 24px; border-radius: 12px;
    min-height: 48px;
    background: linear-gradient(90deg,#0057ff 0%,#00c6ff 100%);
    color: #fff; text-decoration: none;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 8px 28px rgba(0,87,255,0.22);
    font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0.0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    will-change: transform, box-shadow;
    transform: translateZ(0);
}
.btn-gradient:hover { 
    transform: translateY(-2px) translateZ(0); 
    box-shadow: 0 12px 36px rgba(0,87,255,0.28); 
}
.btn-gradient:active {
    transform: translateY(0) translateZ(0);
    box-shadow: 0 6px 20px rgba(0,87,255,0.2);
}
.btn-outline {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 16px 24px; border-radius: var(--radius-md);
    min-height: 48px;
    border: 2px solid rgba(0,192,192,0.4);
    color: var(--accent-color); text-decoration: none; 
    background: linear-gradient(135deg, transparent, rgba(0, 192, 192, 0.03));
    font-family: var(--font-mono); letter-spacing: .12em; text-transform: uppercase;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 192, 192, 0.1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    will-change: transform, background, border-color, box-shadow;
    transform: translateZ(0);
}

.btn-outline::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.2), rgba(51, 170, 221, 0.2));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-outline:hover { 
    background: linear-gradient(135deg, rgba(0,192,192,0.15), rgba(51, 170, 221, 0.1)); 
    border-color: var(--accent-color); 
    box-shadow: 0 4px 20px rgba(0, 192, 192, 0.25), var(--shadow-glow);
    transform: translateY(-2px) translateZ(0);
}

.btn-outline:hover::before {
    opacity: 1;
}
.btn-large { padding: 16px 32px; font-size: 1rem; border-radius: 32px; min-height: 48px; }

/* --- Small global refinements --- */
.hero-title { text-shadow: 0 2px 24px rgba(0,0,0,0.35); }
.section-title { text-shadow: 0 1px 12px rgba(0,0,0,0.2); }

/* Responsive for teaser */
@media (max-width: 900px) {
.btn-small { padding: 14px 24px; font-size: 0.9rem; border-radius: 28px; min-height: 44px; }
    .synergia-teaser { grid-template-columns: 1fr; gap: 28px; }
}

/* Gallery — enhanced visuals */
.gallery-section { 
    background: var(--bg-color); 
    padding: var(--space-4xl) 0;
    position: relative;
}

.gallery-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 30%, 
        rgba(0, 180, 255, 0.05) 0%, 
        transparent 60%
    );
    pointer-events: none;
}

.gallery-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); 
    gap: var(--space-xl); 
    max-width: var(--max-width); 
    margin: 0 auto;
}

.gallery-item { 
    position: relative; 
    border-radius: var(--radius-lg); 
    overflow: hidden; 
    border: 1px solid var(--glass-border); 
    box-shadow: var(--glass-shadow); 
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1); 
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    opacity: 0;
    transform: scale(0.9);
    animation: scaleIn 0.6s ease-out forwards;
    will-change: transform, opacity;
}

.gallery-item:nth-child(1) { animation-delay: 0.1s; }
.gallery-item:nth-child(2) { animation-delay: 0.2s; }
.gallery-item:nth-child(3) { animation-delay: 0.3s; }
.gallery-item:nth-child(4) { animation-delay: 0.4s; }

.gallery-item:hover { 
    transform: translateY(-12px) scale(1.02); 
    border-color: rgba(0, 229, 204, 0.6); 
    box-shadow: var(--shadow-lg), var(--shadow-glow), 0 0 80px rgba(0, 229, 204, 0.3); 
}

.gallery-item::before { 
    content: ''; 
    position: absolute; 
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(
        135deg,
        var(--liquid-glow-1),
        var(--liquid-glow-2),
        var(--liquid-glow-3),
        var(--liquid-glow-1)
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
    animation: liquid-shimmer 8s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
    will-change: opacity;
}

.gallery-item:hover::before { 
    opacity: 1; 
}

.gallery-trigger { 
    display: block; 
    position: relative; 
    cursor: zoom-in;
}

.gallery-trigger::after { 
    content: '⤢'; 
    position: absolute; 
    right: 1rem; 
    bottom: 1rem; 
    background: linear-gradient(135deg, 
        var(--accent-color), 
        var(--accent-secondary)
    ); 
    color: var(--bg-color); 
    padding: 0.75rem 1rem; 
    border-radius: var(--radius-md); 
    font-size: 1.2rem; 
    font-weight: 700;
    opacity: 0; 
    transition: all var(--transition-base); 
    transform: translate(8px, 8px); 
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    will-change: transform, opacity;
}

.gallery-item:hover .gallery-trigger::after { 
    opacity: 1; 
    transform: translate(0, 0); 
}

.gallery-img { 
    display: block; 
    width: 100%; 
    height: auto; 
    aspect-ratio: 16/10; 
    object-fit: cover; 
    object-position: center; 
    transition: transform var(--transition-base); 
    will-change: transform;
    transform: translateZ(0);
}

.gallery-item:hover .gallery-img { 
    transform: scale(1.08) translateZ(0); 
}

.gallery-caption { 
    position: absolute; 
    left: 0; 
    right: 0; 
    bottom: 0; 
    padding: var(--space-lg) var(--space-md); 
    font-size: 0.95rem; 
    color: var(--text-color); 
    background: linear-gradient(180deg, 
        rgba(5, 9, 20, 0) 0%, 
        rgba(5, 9, 20, 0.95) 50%
    ); 
    transform: translateY(100%); 
    opacity: 0; 
    transition: all var(--transition-base); 
    z-index: 1;
    will-change: transform, opacity;
}

.gallery-item:hover .gallery-caption, 
.gallery-item:focus-within .gallery-caption { 
    transform: translateY(0); 
    opacity: 1; 
}
@media (max-width: 480px) { 
    .gallery-img { aspect-ratio: 4/3; } 
    .gallery-grid { 
        gap: 20px;
        grid-template-columns: 1fr;
    }
    
    /* Prevent horizontal overflow on very small screens */
    body,
    html {
        max-width: 100vw;
        width: 100%;
    }
    
    /* Extra small screen improvements */
    .section-title {
        font-size: clamp(1.9rem, 7vw, 2.5rem);
        line-height: 1.15;
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .section-intro {
        font-size: 0.95rem;
        line-height: 1.7;
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .hero-title {
        font-size: clamp(1.85rem, 7.5vw, 2.3rem);
        line-height: 1.15;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.65;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .container {
        padding-left: 16px;
        padding-right: 16px;
        max-width: 100%;
    }
    
    .application-item,
    .tech-item,
    .project-item,
    .team-card {
        padding: 24px 18px;
        margin-left: 0;
        margin-right: 0;
    }
    
    /* Simplify card interactions on touch devices */
    .application-item,
    .tech-item,
    .gallery-item,
    .project-item {
        transition: transform 0.15s cubic-bezier(0.4, 0.0, 0.2, 1), box-shadow 0.15s cubic-bezier(0.4, 0.0, 0.2, 1);
    }
    
    .application-item:active,
    .tech-item:active,
    .gallery-item:active {
        transform: scale(0.98);
    }
    
    .contact-criteria {
        padding: 20px 16px;
        margin-left: 0;
        margin-right: 0;
    }
    
    .contact-criteria ul li {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .hero-cta a,
    .btn-large,
    .btn-gradient,
    .btn-outline {
        font-size: 0.95rem;
        padding: 16px 22px;
        min-height: 52px;
        box-sizing: border-box;
    }
    
    .join-actions .btn-large {
        min-width: 100%;
        width: 100%;
    }
    
    /* Ensure all grid layouts fit on mobile - force single column */
    .applications-grid,
    .tech-grid,
    .gallery-grid,
    .faq-grid,
    .projects-timeline,
    .arlist-hero-panels,
    .arlist-highlight-grid,
    .arlist-focus-grid,
    .arlist-synergy-grid,
    .sr-products-grid,
    .sgp-overview-grid,
    .sgp-capabilities-grid,
    .sgp-architecture-grid,
    .synergia-architecture-grid,
    .k1-stat-grid,
    .k1-specs-grid,
    .k1-modularity-grid {
        grid-template-columns: 1fr !important;
        width: 100%;
        max-width: 100%;
        gap: clamp(20px, 5vw, 24px);
    }
    
    /* Prevent text overflow */
    h1, h2, h3, h4, h5, h6,
    p, li, span, a {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    /* Ensure hero sections don't overflow */
    .hero-section,
    .sr-hero,
    .arlist-hero,
    .sgp-hero,
    .k1-page-hero {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
        padding-left: 0;
        padding-right: 0;
    }
    
    /* Fix any cards that might overflow */
    .arlist-panel,
    .arlist-focus-card,
    .arlist-highlight-card,
    .sr-product-card,
    .sr-integration-card,
    .sgp-card,
    .synergia-card,
    .k1-stat-card {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        margin-left: 0;
        margin-right: 0;
    }
    
    /* Ensure all sections and wrappers don't overflow */
    section,
    main,
    header,
    footer,
    .hero-section,
    .hero-background,
    .hero-content {
        max-width: 100vw;
        box-sizing: border-box;
    }
    
    /* Prevent any absolutely positioned elements from causing overflow */
    *[class*="overlay"],
    *[class*="background"],
    *[class*="hero-"] {
        max-width: 100vw;
    }
    
    /* Force all containers to fit */
    .container,
    .nav-container,
    .hero-content,
    .section-title,
    .section-intro {
        box-sizing: border-box;
        max-width: 100%;
    }
    
    /* Better spacing for lists */
    .about-pillars li,
    .hero-value li {
        padding: 14px 16px;
        font-size: 0.9rem;
    }
    
    /* Improve button groups */
    .hero-cta,
    .join-actions,
    .sr-cta-actions,
    .contact-cta-actions {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }
    
    .hero-cta > *,
    .join-actions > *,
    .sr-cta-actions > *,
    .contact-cta-actions > * {
        width: 100%;
    }
    
    /* Improve touch feedback for interactive elements */
    a, button, .btn-gradient, .btn-outline, .gallery-trigger {
        -webkit-tap-highlight-color: rgba(0, 192, 192, 0.2);
    }
    
    /* Better mobile navigation */
    .nav-menu a {
        padding: 16px 0;
        min-height: 52px;
    }
    
    /* Ensure all grid layouts fit on mobile - force single column */
    .applications-grid,
    .tech-grid,
    .gallery-grid,
    .faq-grid,
    .projects-timeline,
    .arlist-hero-panels,
    .arlist-highlight-grid,
    .arlist-focus-grid,
    .arlist-synergy-grid,
    .sr-products-grid,
    .sgp-overview-grid,
    .sgp-capabilities-grid,
    .sgp-architecture-grid,
    .synergia-architecture-grid,
    .k1-stat-grid,
    .k1-specs-grid,
    .k1-modularity-grid {
        grid-template-columns: 1fr !important;
        width: 100%;
        max-width: 100%;
    }
    
    /* Prevent text overflow */
    h1, h2, h3, h4, h5, h6,
    p, li, span, a {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    /* Ensure hero sections don't overflow */
    .hero-section,
    .sr-hero,
    .arlist-hero,
    .sgp-hero,
    .k1-page-hero {
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    /* Fix any cards that might overflow */
    .arlist-panel,
    .arlist-focus-card,
    .arlist-highlight-card,
    .sr-product-card,
    .sr-integration-card,
    .sgp-card,
    .synergia-card,
    .k1-stat-card {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Ensure all sections and wrappers don't overflow */
    section,
    main,
    header,
    footer,
    .hero-section,
    .hero-background,
    .hero-content {
        max-width: 100vw;
    }
    
    /* Prevent any absolutely positioned elements from causing overflow */
    *[class*="overlay"],
    *[class*="background"],
    *[class*="hero-"] {
        max-width: 100vw;
    }
    
    /* Force all containers to fit */
    .container,
    .nav-container,
    .hero-content,
    .section-title,
    .section-intro {
        box-sizing: border-box;
        max-width: 100%;
    }
}

.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1200;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-overlay img {
    max-width: min(90vw, 1000px);
    max-height: 80vh;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.lightbox-overlay.is-open img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.4rem;
    cursor: pointer;
    display: grid;
    place-items: center;
}

.lightbox-close:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 4px;
}

/* Contact CTA card */
.contact-cta-card { max-width: 860px; margin: 32px auto 0; padding: 28px; border-radius: 18px; background: linear-gradient(135deg, rgba(0,87,255,0.12), rgba(0,192,192,0.14)); border:1px solid rgba(0,192,192,0.35); box-shadow: 0 14px 44px rgba(0,87,255,0.22); text-align:center; }
.contact-cta-title { font-size: clamp(1.3rem, 3.6vw, 1.6rem); margin-bottom: 10px; color: var(--text-color); }
.contact-cta-sub { color: var(--text-secondary); margin-bottom: 18px; }
.contact-cta-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* K1 page */
.k1-page-hero {
    position: relative;
    overflow: hidden;
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: clamp(80px, 12vw, 140px);
}

.k1-hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--space-2xl);
    align-items: center;
}

.k1-hero-copy {
    display: grid;
    gap: var(--space-lg);
}

.k1-hero-facts {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
    padding: 0;
    margin: 0;
}

.k1-hero-facts li {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(0, 192, 192, 0.25);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: 0.98rem;
    display: flex;
    gap: var(--space-sm);
    align-items: baseline;
}

.k1-hero-facts span {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-size: 1.1rem;
    letter-spacing: 0.08em;
}

.k1-hero-media {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

.k1-hero-media img {
    width: 100%;
    height: auto;
    display: block;
}

.k1-hero-tag {
    position: absolute;
    left: 24px;
    bottom: 24px;
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    background: rgba(10, 10, 10, 0.65);
    border: 1px solid rgba(0, 192, 192, 0.35);
    border-radius: 999px;
    padding: var(--space-xs) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.k1-stats-section {
    background: var(--bg-secondary);
}

.k1-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: var(--space-lg);
}

.k1-stat-card {
    background: var(--bg-color);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: var(--space-xl);
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.25);
    display: grid;
    gap: var(--space-sm);
}

.k1-stat-card strong {
    font-size: 2rem;
    color: var(--accent-color);
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
}

.k1-stat-label {
    font-size: 0.9rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.k1-stat-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.k1-modularity-section {
    background: var(--bg-color);
}

.k1-modularity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: var(--space-2xl);
    align-items: center;
}

.k1-modularity-media picture,
.k1-modularity-media img {
    width: 100%;
    display: block;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.k1-modularity-list li {
    background: rgba(0, 0, 0, 0.45);
}

.k1-modularity-cta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: var(--space-md);
}

.k1-specs-section {
    background: var(--bg-secondary);
}

.k1-specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: var(--space-xl);
}

.k1-specs-grid dl {
    background: var(--bg-color);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: var(--space-xl);
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.24);
}

.k1-specs-grid dt {
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
    color: var(--accent-color);
    margin-top: var(--space-sm);
}

.k1-specs-grid dd {
    margin: var(--space-xs) 0 var(--space-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* K1 Specs Table */
.k1-specs-table-wrapper {
    overflow-x: auto;
    margin-top: var(--space-xl);
    border-radius: 20px;
    background: var(--bg-color);
    border: 1px solid rgba(0, 192, 192, 0.2);
    box-shadow: 0 20px 70px rgba(0, 192, 192, 0.15), 0 4px 16px rgba(0, 0, 0, 0.3);
}

.k1-specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1rem;
}

.k1-specs-table thead {
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.12), rgba(0, 87, 255, 0.08));
    border-bottom: 2px solid rgba(0, 192, 192, 0.4);
}

.k1-specs-table th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
    white-space: nowrap;
}

.k1-specs-table th.spec-category {
    color: var(--text-color);
    font-size: 0.9rem;
}

.k1-specs-table tbody tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.k1-specs-table tbody tr:hover {
    background: rgba(0, 192, 192, 0.05);
    transform: translateX(4px);
}

.k1-specs-table td {
    padding: var(--space-md) var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.k1-specs-table td.spec-label {
    font-family: var(--font-mono);
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    min-width: 220px;
}

.k1-specs-table tr.spec-group-header td {
    padding: var(--space-lg) var(--space-lg);
    background: linear-gradient(90deg, rgba(0, 87, 255, 0.1), rgba(0, 192, 192, 0.08));
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    border-top: 2px solid rgba(0, 192, 192, 0.25);
    border-bottom: 1px solid rgba(0, 192, 192, 0.2);
}

.k1-specs-table tr.spec-group-header:first-child td {
    border-top: none;
}

.k1-specs-footer {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
}

.k1-gallery-section {
    background: var(--bg-color);
}

.k1-cta-section {
    background: linear-gradient(135deg, rgba(0, 87, 255, 0.15), rgba(0, 192, 192, 0.18));
    padding: var(--space-2xl) 0;
}

.k1-cta-card {
    max-width: 900px;
    margin: 0 auto;
}

.k1-cta-inner {
    background: linear-gradient(135deg, rgba(0, 10, 20, 0.95), rgba(10, 20, 30, 0.9));
    border: 2px solid rgba(0, 192, 192, 0.3);
    border-radius: 24px;
    padding: var(--space-2xl);
    box-shadow: 0 24px 80px rgba(0, 192, 192, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.k1-cta-inner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 192, 192, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.k1-cta-icon {
    position: relative;
    z-index: 1;
    color: var(--accent-color);
    margin: 0 auto var(--space-lg);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 192, 192, 0.1);
    border-radius: 50%;
    border: 2px solid rgba(0, 192, 192, 0.3);
}

.k1-cta-title {
    position: relative;
    z-index: 1;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.k1-cta-text {
    position: relative;
    z-index: 1;
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.k1-cta-actions {
    position: relative;
    z-index: 1;
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 720px) {
    .k1-hero-tag {
        position: static;
        width: 100%;
        border-radius: var(--radius-md);
        margin-top: var(--space-md);
        padding: 16px 20px;
        box-sizing: border-box;
    }

    .k1-hero-facts li {
        flex-direction: column;
        align-items: flex-start;
        font-size: 0.9rem;
        padding: 14px 18px;
    }
    
    .k1-stat-card,
    .k1-modularity-card {
        padding: 24px 20px;
        box-sizing: border-box;
    }
    
    /* Better grid spacing on K1 page */
    .k1-stat-grid,
    .k1-specs-grid,
    .k1-modularity-grid {
        gap: 20px;
    }
    
    /* Improve K1 hero on mobile */
    .k1-page-hero {
        padding-top: calc(var(--nav-height) + 40px);
        padding-bottom: clamp(60px, 10vw, 100px);
    }
    
    .k1-hero-grid {
        gap: var(--space-xl);
        grid-template-columns: 1fr;
    }
    
    .hero-title,
    .hero-subtitle {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        line-height: 1.25;
    }
    
    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.2rem);
        line-height: 1.6;
    }
    
    /* K1 Specs Table Mobile */
    .k1-specs-table-wrapper {
        border-radius: 16px;
        margin-top: var(--space-lg);
    }
    
    .k1-specs-table {
        font-size: 0.9rem;
    }
    
    .k1-specs-table th,
    .k1-specs-table td {
        padding: var(--space-sm) 12px;
        font-size: 0.85rem;
    }
    
    .k1-specs-table th {
        font-size: 0.75rem;
        padding: var(--space-sm) 12px;
    }
    
    .k1-specs-table td.spec-label {
        font-size: 0.8rem;
        min-width: 160px;
    }
    
    .k1-specs-table tr.spec-group-header td {
        font-size: 0.75rem;
        padding: var(--space-md) 12px;
    }
    
    .k1-specs-table tbody tr:hover {
        transform: none;
    }
    
    /* K1 CTA Section Mobile */
    .k1-cta-section {
        padding: var(--space-xl) 0;
    }
    
    .k1-cta-inner {
        padding: var(--space-xl) var(--space-lg);
        border-radius: 20px;
    }
    
    .k1-cta-icon {
        width: 56px;
        height: 56px;
        margin-bottom: var(--space-md);
    }
    
    .k1-cta-icon svg {
        width: 36px;
        height: 36px;
    }
    
    .k1-cta-title {
        font-size: 1.4rem;
        margin-bottom: var(--space-sm);
    }
    
    .k1-cta-text {
        font-size: 0.95rem;
        margin-bottom: var(--space-lg);
    }
    
    .k1-cta-actions {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .k1-cta-actions a {
        width: 100%;
        justify-content: center;
    }
}

/* ------------------------------ */
/* SR (Search & Rescue) page      */
/* ------------------------------ */

.sr-hero {
    padding: clamp(120px, 22vh, 180px) 0 clamp(80px, 16vh, 140px);
    position: relative;
    overflow: hidden;
}

.sr-hero .hero-background {
    opacity: 0.4;
}

.sr-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: clamp(40px, 6vw, 80px);
    position: relative;
    z-index: 2;
}

.sr-hero-copy {
    display: grid;
    gap: clamp(18px, 4vw, 32px);
}

.sr-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid rgba(0, 192, 192, 0.35);
    background: rgba(0, 192, 192, 0.08);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.sr-hero-copy .hero-subtitle {
    max-width: 680px;
}

.sr-hero-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.sr-orbit {
    position: relative;
    width: clamp(260px, 28vw, 360px);
    height: clamp(260px, 28vw, 360px);
    border-radius: 50%;
    border: 1px dashed rgba(0, 192, 192, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: orbit-spin 30s linear infinite;
}

.sr-orbit-core {
    position: relative;
    width: 48%;
    height: 48%;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(0, 192, 192, 0.16) 0%, rgba(0, 192, 192, 0.05) 100%);
    border: 1px solid rgba(0, 192, 192, 0.35);
    display: grid;
    place-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    text-align: center;
    color: var(--accent-color);
}

.sr-orbit-node {
    position: absolute;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(10, 10, 10, 0.88);
    border: 1px solid rgba(0, 192, 192, 0.45);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-color);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: 0 12px 32px rgba(0, 192, 192, 0.1);
}

.sr-orbit-node:nth-child(2) {
    top: 8%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.sr-orbit-node:nth-child(3) {
    right: 8%;
    top: 50%;
    transform: translate(50%, -50%);
}

.sr-orbit-node:nth-child(4) {
    bottom: 8%;
    left: 50%;
    transform: translate(-50%, 50%);
}

.sr-orbit-node:nth-child(5) {
    left: 8%;
    top: 50%;
    transform: translate(-50%, -50%);
}

@keyframes orbit-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.sr-overview {
    padding: clamp(80px, 12vh, 120px) 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 1) 0%, rgba(26, 26, 26, 1) 100%);
}

.sr-overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    gap: clamp(36px, 6vw, 64px);
}

.sr-overview-copy {
    display: grid;
    gap: clamp(20px, 4vw, 32px);
}

.sr-list {
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sr-list li {
    position: relative;
    padding-left: 26px;
    color: var(--text-color);
}

.sr-list li::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.9), rgba(51, 170, 221, 0.9));
    box-shadow: 0 0 12px rgba(0, 192, 192, 0.35);
}

.sr-overview-card {
    padding: clamp(24px, 4vw, 32px);
    border-radius: 20px;
    background: rgba(12, 12, 12, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
    display: grid;
    gap: 16px;
}

.sr-overview-card dl {
    display: grid;
    gap: 14px;
    margin: 0;
}

.sr-overview-card dt {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-color);
}

.sr-overview-card dd {
    margin: 0;
    color: var(--text-secondary);
}

.sr-products {
    padding: clamp(80px, 12vh, 120px) 0;
    background: var(--bg-color);
}

.sr-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: clamp(24px, 4vw, 36px);
}

.sr-product-card {
    padding: clamp(24px, 4vw, 36px);
    border-radius: 20px;
    background: rgba(12, 12, 12, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: grid;
    gap: 18px;
    position: relative;
    overflow: hidden;
}

.sr-product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(0, 192, 192, 0.18), transparent 55%);
    opacity: 0.8;
    pointer-events: none;
}

.sr-product-card p,
.sr-product-card ul {
    position: relative;
    z-index: 2;
}

.sr-product-header {
    display: flex;
    align-items: baseline;
    gap: 14px;
    position: relative;
    z-index: 2;
}

.sr-product-code {
    font-family: var(--font-mono);
    font-size: 1rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(0, 192, 192, 0.65);
}

.sr-spec-list {
    list-style: none;
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
}

.sr-spec-list li {
    color: var(--text-secondary);
}

.sr-spec-list span {
    color: var(--text-color);
    font-weight: 600;
}

.sr-integration {
    padding: clamp(80px, 12vh, 120px) 0;
    background: linear-gradient(180deg, rgba(26, 26, 26, 1) 0%, rgba(10, 10, 10, 1) 100%);
}

.sr-integration-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
    gap: clamp(32px, 5vw, 56px);
}

.sr-integration-card {
    padding: clamp(24px, 4vw, 34px);
    border-radius: 20px;
    background: rgba(12, 12, 12, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
    display: grid;
    gap: 18px;
}

.sr-integration-list {
    display: grid;
    gap: clamp(18px, 3vw, 28px);
}

.sr-integration-item {
    padding: clamp(20px, 3.5vw, 28px);
    border-radius: 18px;
    background: rgba(12, 12, 12, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: grid;
    gap: 10px;
}

.sr-step {
    font-family: var(--font-mono);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(0, 192, 192, 0.75);
}

.sr-volunteer-info {
    padding: clamp(72px, 14vh, 120px) 0 clamp(60px, 12vh, 100px);
    background: var(--bg-secondary);
    position: relative;
}

.sr-volunteer-card {
    max-width: 820px;
    margin: 0 auto;
    padding: clamp(32px, 6vw, 48px);
    border-radius: 26px;
    background: var(--surface-gradient);
    border: 1px solid var(--surface-border);
    box-shadow: var(--surface-glow);
    backdrop-filter: blur(var(--surface-blur));
    -webkit-backdrop-filter: blur(var(--surface-blur));
    text-align: center;
    position: relative;
    overflow: hidden;
}

.sr-volunteer-card::before {
    content: '';
    position: absolute;
    inset: -20%;
    background: radial-gradient(120% 80% at 18% 0%, rgba(0, 192, 192, 0.22), transparent 65%),
                radial-gradient(110% 70% at 80% 18%, rgba(0, 87, 255, 0.16), transparent 70%);
    pointer-events: none;
    opacity: 0.7;
    z-index: -1;
}

.sr-volunteer-title {
    font-size: clamp(2rem, 4vw, 2.6rem);
    margin-bottom: var(--space-md);
}

.sr-volunteer-text {
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0 auto;
    max-width: 640px;
}

.sr-cta {
    padding: clamp(80px, 12vh, 120px) 0 clamp(100px, 16vh, 140px);
    background: var(--bg-color);
}

.sr-cta-card {
    padding: clamp(32px, 6vw, 48px);
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(0, 192, 192, 0.12), rgba(51, 170, 221, 0.12));
    border: 1px solid rgba(0, 192, 192, 0.35);
    box-shadow: 0 32px 64px rgba(0, 192, 192, 0.18);
    display: grid;
    gap: 24px;
    text-align: center;
}

.sr-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

@media (max-width: 1024px) {
    .sr-hero-grid,
    .sr-overview-grid,
    .sr-integration-grid {
        grid-template-columns: 1fr;
    }

    .sr-hero-highlight {
        order: -1;
    }
}

@media (max-width: 640px) {
    .sr-orbit {
        width: 220px;
        height: 220px;
        max-width: calc(100vw - 40px);
        max-height: calc(100vw - 40px);
    }

    .sr-orbit-node {
        font-size: 0.7rem;
        padding: 8px 12px;
        white-space: nowrap;
    }
    
    /* Ensure orbit container doesn't overflow */
    .sr-hero-highlight {
        max-width: 100%;
        overflow: hidden;
        padding: 0 20px;
    }
}

/* Additional mobile optimizations to prevent horizontal overflow */
@media (max-width: 480px) {
    /* Ensure all sections respect viewport */
    section,
    .container,
    .hero-section,
    .about-section,
    .applications-section,
    .tech-section,
    .contact-section {
        width: 100%;
        max-width: 100vw;
    }
    
    /* Reduce padding on very small screens */
    .container {
        padding: 0 clamp(0.75rem, 4vw, 1rem);
    }
    
    /* Ensure grids stack properly */
    [class*="-grid"],
    [class*="grid"] {
        grid-template-columns: 1fr !important;
    }
    
    /* Prevent flex items from overflowing */
    [class*="flex"],
    .hero-cta,
    .nav-menu ul {
        flex-wrap: wrap;
        width: 100%;
    }
    
    /* Ensure images and videos are constrained */
    img,
    video,
    iframe {
        max-width: 100%;
        width: 100%;
        height: auto;
    }
    
    /* Fix button groups on mobile */
    .hero-cta,
    .k1-sticky-actions,
    .sr-cta-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta a,
    .k1-sticky-actions a,
    .sr-cta-actions a {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}