/* ============================================
   NOVA AI SMART MANUFACTURING ACADEMY
   Premium Industry 5.0 Stylesheet
   ============================================ */

/* ============================================
   1. CSS VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
    /* Core Colors - Graphite & Neon Cyan */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #111118;
    --color-bg-tertiary: #161620;
    --color-bg-glass: rgba(17, 17, 24, 0.7);
    
    --color-graphite-100: #1a1a24;
    --color-graphite-200: #22222e;
    --color-graphite-300: #2a2a38;
    --color-graphite-400: #333344;
    --color-graphite-500: #4a4a5e;
    
    --color-cyan-400: #22d3ee;
    --color-cyan-500: #06b6d4;
    --color-cyan-600: #0891b2;
    --color-cyan-glow: rgba(6, 182, 212, 0.4);
    
    --color-accent-magenta: #e879f9;
    --color-accent-violet: #a78bfa;
    
    --color-text-primary: #f0f0f5;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b7b;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #111118 50%, #161620 100%);
    --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #22d3ee 50%, #67e8f9 100%);
    --gradient-graphite: linear-gradient(180deg, #1a1a24 0%, #0a0a0f 100%);
    
    /* Glassmorphism */
    --glass-bg: rgba(17, 17, 24, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Orbitron', monospace;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 5rem;
    
    /* Animation */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Z-index layers */
    --z-base: 1;
    --z-content: 10;
    --z-nav: 100;
    --z-modal: 1000;
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

/* ============================================
   3. UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-cyan-500);
    margin-bottom: var(--space-md);
}

.section-tag::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--gradient-cyan);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.title-gradient {
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

/* ============================================
   4. NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: var(--space-md) 0;
    transition: all var(--transition-slow);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-sm) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-cyan-500);
}

.logo-text {
    color: var(--color-text-primary);
}

.logo-accent {
    color: var(--color-cyan-500);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-cyan);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

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

/* ============================================
   5. HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: calc(var(--space-3xl) * 2) 0 var(--space-3xl);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: var(--z-base);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.hero-content {
    position: relative;
    z-index: var(--z-content);
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-cyan-500);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 100px;
    padding: var(--space-xs) var(--space-md);
    margin-bottom: var(--space-lg);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--color-cyan-500);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    max-width: 800px;
}

.title-line {
    display: block;
}

.title-accent {
    background: var(--gradient-cyan);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-text-secondary);
    max-width: 560px;
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    padding: var(--space-md) var(--space-xl);
    border-radius: 12px;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-cyan);
    color: var(--color-bg-primary);
    box-shadow: 0 0 40px var(--color-cyan-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px var(--color-cyan-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-graphite-400);
}

.btn-secondary:hover {
    background: var(--color-graphite-100);
    border-color: var(--color-cyan-500);
}

.hero-stats {
    display: flex;
    gap: var(--space-3xl);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-cyan-500);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* Hero Visual Elements */
.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    z-index: var(--z-content);
}

.robot-arm {
    position: absolute;
    width: 200px;
    height: 300px;
    right: 0;
    top: 20px;
}

.arm-base {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 40px;
    background: var(--color-graphite-300);
    border-radius: 8px 8px 0 0;
    border: 1px solid var(--color-cyan-500);
}

.arm-segment {
    position: absolute;
    background: var(--color-graphite-200);
    border: 1px solid var(--color-cyan-500);
    border-radius: 8px;
    transform-origin: bottom center;
}

.arm-segment-1 {
    width: 24px;
    height: 100px;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) rotate(-20deg);
    animation: armRotate1 4s ease-in-out infinite;
}

.arm-segment-2 {
    width: 20px;
    height: 80px;
    bottom: 130px;
    left: 50%;
    transform: translateX(-50%) rotate(30deg);
    animation: armRotate2 4s ease-in-out infinite;
}

.arm-segment-3 {
    width: 16px;
    height: 60px;
    bottom: 200px;
    left: 50%;
    transform: translateX(-50%) rotate(-15deg);
    animation: armRotate3 4s ease-in-out infinite;
}

.arm-gripper {
    position: absolute;
    width: 30px;
    height: 20px;
    background: var(--color-cyan-500);
    border-radius: 4px;
    bottom: 250px;
    left: 50%;
    transform: translateX(-50%);
    animation: gripperMove 4s ease-in-out infinite;
}

@keyframes armRotate1 {
    0%, 100% { transform: translateX(-50%) rotate(-20deg); }
    50% { transform: translateX(-50%) rotate(-40deg); }
}

@keyframes armRotate2 {
    0%, 100% { transform: translateX(-50%) rotate(30deg); }
    50% { transform: translateX(-50%) rotate(50deg); }
}

@keyframes armRotate3 {
    0%, 100% { transform: translateX(-50%) rotate(-15deg); }
    50% { transform: translateX(-50%) rotate(10deg); }
}

@keyframes gripperMove {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-20px); }
}

.dashboard-hologram {
    position: absolute;
    left: 0;
    top: 60%;
    width: 220px;
    transform: translateY(-50%);
}

.holo-screen {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-cyan-500);
    border-radius: 12px;
    padding: var(--space-md);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.2);
}

.holo-data-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid rgba(6, 182, 212, 0.1);
}

.holo-label {
    font-family: var(--font-display);
    font-size: 9px;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.holo-value {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-cyan-400);
}

.holo-chart {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 40px;
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
}

.chart-bar {
    flex: 1;
    background: var(--gradient-cyan);
    border-radius: 2px 2px 0 0;
    min-height: 8px;
    animation: chartPulse 2s ease-in-out infinite;
}

.chart-bar:nth-child(2) { animation-delay: 0.2s; }
.chart-bar:nth-child(3) { animation-delay: 0.4s; }
.chart-bar:nth-child(4) { animation-delay: 0.6s; }
.chart-bar:nth-child(5) { animation-delay: 0.8s; }

@keyframes chartPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: var(--z-content);
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-graphite-500);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-cyan-500);
    border-radius: 2px;
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0% { top: 6px; opacity: 1; }
    100% { top: 18px; opacity: 0; }
}

.scroll-text {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ============================================
   6. ABOUT SECTION
   ============================================ */
.about {
    position: relative;
    padding: var(--space-3xl) 0;
}

.section-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.about-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--color-cyan-600);
    top: -100px;
    right: -100px;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--color-accent-violet);
    bottom: -50px;
    left: -50px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.about-card {
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 40px rgba(6, 182, 212, 0.1);
}

.card-icon {
    width: 56px;
    height: 56px;
    color: var(--color-cyan-500);
    margin-bottom: var(--space-md);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.card-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

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

.showcase-image {
    position: relative;
}

.image-frame {
    position: relative;
    padding: var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

.frame-content {
    aspect-ratio: 4/3;
    background: var(--color-bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.factory-visualization {
    position: absolute;
    inset: 0;
}

.viz-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-cyan-500), transparent);
    opacity: 0.3;
}

.viz-line-1 { width: 60%; top: 30%; left: 20%; transform: rotate(15deg); }
.viz-line-2 { width: 50%; top: 50%; left: 25%; transform: rotate(-10deg); }
.viz-line-3 { width: 70%; top: 70%; left: 15%; transform: rotate(5deg); }

.viz-node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-cyan-500);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--color-cyan-glow);
    animation: nodePulse 3s ease-in-out infinite;
}

.viz-node:nth-child(5) { animation-delay: 0.5s; }
.viz-node:nth-child(6) { animation-delay: 1s; }
.viz-node:nth-child(7) { animation-delay: 1.5s; }
.viz-node:nth-child(8) { animation-delay: 2s; }
.viz-node:nth-child(9) { animation-delay: 2.5s; }

@keyframes nodePulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.3); opacity: 1; }
}

.showcase-title {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--space-lg);
}

.showcase-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.showcase-features {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.feature-check {
    width: 24px;
    height: 24px;
    color: var(--color-cyan-500);
    flex-shrink: 0;
}

/* ============================================
   7. PROGRAMS SECTION
   ============================================ */
.programs {
    position: relative;
    padding: var(--space-3xl) 0;
    background: var(--gradient-hero);
}

.programs-grid-bg {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(167, 139, 250, 0.05) 0%, transparent 50%);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.program-card {
    position: relative;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-graphite-300);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.program-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateY(-4px);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.program-card:hover .card-glow {
    opacity: 1;
}

.card-content {
    position: relative;
    padding: var(--space-xl);
    z-index: 1;
}

.card-number {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
}

.program-icon-ai,
.program-icon-robotics,
.program-icon-automation,
.program-icon-digital {
    width: 48px;
    height: 48px;
    color: var(--color-cyan-500);
    margin-bottom: var(--space-md);
}

.program-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.program-desc {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.program-meta {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-graphite-300);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.meta-item svg {
    width: 14px;
    height: 14px;
}

.program-curriculum {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.program-curriculum li {
    position: relative;
    padding-left: var(--space-md);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.program-curriculum li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-cyan-500);
    border-radius: 50%;
}

.program-cta {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-cyan-500);
    transition: color var(--transition-fast);
}

.program-cta:hover {
    color: var(--color-cyan-400);
}

/* ============================================
   8. FACTORY LAB SECTION
   ============================================ */
.factory-lab {
    position: relative;
    padding: var(--space-3xl) 0;
}

.lab-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(6, 182, 212, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.project-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-graphite-300);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--color-bg-primary);
    overflow: hidden;
}

.project-visual {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Assembly Line Visual */
.visual-assembly {
    background: var(--color-bg-secondary);
}

.asm-conveyor {
    position: relative;
    width: 80%;
    height: 40px;
}

.asm-belt {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-graphite-400);
    border-radius: 2px;
}

.asm-part {
    position: absolute;
    width: 24px;
    height: 24px;
    background: var(--color-cyan-500);
    border-radius: 4px;
    top: 50%;
    transform: translateY(-50%);
    animation: partMove 3s linear infinite;
}

.asm-part:nth-child(2) { left: 0; animation-delay: 0s; }
.asm-part:nth-child(3) { left: 0; animation-delay: 1s; }
.asm-part:nth-child(4) { left: 0; animation-delay: 2s; }

@keyframes partMove {
    0% { left: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: calc(100% - 24px); opacity: 0; }
}

.asm-robot {
    position: absolute;
    right: 10%;
    top: -20px;
    width: 40px;
    height: 60px;
}

.asm-arm {
    position: absolute;
    width: 4px;
    height: 40px;
    background: var(--color-graphite-300);
    left: 50%;
    transform: translateX(-50%);
    transform-origin: top center;
    animation: armPick 3s ease-in-out infinite;
}

.asm-grip {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 12px;
    background: var(--color-cyan-500);
    border-radius: 0 0 4px 4px;
}

@keyframes armPick {
    0%, 100% { transform: translateX(-50%) rotate(-30deg); }
    50% { transform: translateX(-50%) rotate(30deg); }
}

/* Quality Visual */
.visual-quality {
    background: var(--color-bg-secondary);
}

.qual-frame {
    position: relative;
    width: 100px;
    height: 80px;
    border: 2px solid var(--color-cyan-500);
    border-radius: 8px;
}

.qual-scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-cyan-500);
    box-shadow: 0 0 10px var(--color-cyan-glow);
    animation: scanMove 2s ease-in-out infinite;
}

@keyframes scanMove {
    0%, 100% { top: 0; }
    50% { top: calc(100% - 2px); }
}

.qual-defect {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--color-accent-magenta);
    border-radius: 50%;
    top: 30%;
    left: 30%;
    animation: defectBlink 1s ease-in-out infinite;
}

.qual-ok {
    position: absolute;
    width: 16px;
    height: 16px;
    background: #34d399;
    border-radius: 50%;
    top: 60%;
    right: 30%;
}

@keyframes defectBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Predictive Visual */
.visual-predictive {
    background: var(--color-bg-secondary);
}

.pred-graph {
    position: relative;
    width: 120px;
    height: 80px;
}

.pred-line {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-graphite-400);
}

.pred-points {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 60px;
    padding: 0 4px;
}

.pred-points span {
    width: 8px;
    background: var(--color-cyan-500);
    border-radius: 4px 4px 0 0;
    animation: pointGrow 2s ease-in-out infinite;
}

.pred-points span:nth-child(1) { height: 30%; animation-delay: 0s; }
.pred-points span:nth-child(2) { height: 45%; animation-delay: 0.2s; }
.pred-points span:nth-child(3) { height: 60%; animation-delay: 0.4s; }
.pred-points span:nth-child(4) { height: 40%; animation-delay: 0.6s; }
.pred-points span:nth-child(5) { height: 80%; animation-delay: 0.8s; }

@keyframes pointGrow {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.2); }
}

.pred-alert {
    position: absolute;
    top: -10px;
    right: 10px;
    width: 20px;
    height: 20px;
    background: #ef4444;
    border-radius: 50%;
    animation: alertPulse 1s ease-in-out infinite;
}

@keyframes alertPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
}

/* Digital Twin Visual */
.visual-digital {
    background: var(--color-bg-secondary);
}

.dig-factory {
    position: relative;
    width: 100px;
    height: 80px;
}

.dig-building {
    position: absolute;
    bottom: 0;
    width: 24px;
    background: var(--color-graphite-300);
    border-radius: 4px 4px 0 0;
    border: 1px solid var(--color-cyan-500);
    animation: buildingPulse 3s ease-in-out infinite;
}

.dig-building:nth-child(1) { left: 10px; height: 50px; animation-delay: 0s; }
.dig-building:nth-child(2) { left: 38px; height: 65px; animation-delay: 0.5s; }
.dig-building:nth-child(3) { left: 66px; height: 45px; animation-delay: 1s; }

@keyframes buildingPulse {
    0%, 100% { border-color: var(--color-cyan-500); box-shadow: 0 0 5px rgba(6, 182, 212, 0.2); }
    50% { border-color: var(--color-cyan-400); box-shadow: 0 0 15px rgba(6, 182, 212, 0.4); }
}

.dig-data-streams {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}

.dig-data-streams span {
    position: absolute;
    width: 2px;
    height: 20px;
    background: linear-gradient(to bottom, var(--color-cyan-500), transparent);
    animation: streamFlow 2s linear infinite;
}

.dig-data-streams span:nth-child(1) { left: 20px; animation-delay: 0s; }
.dig-data-streams span:nth-child(2) { left: 48px; animation-delay: 0.7s; }
.dig-data-streams span:nth-child(3) { left: 76px; animation-delay: 1.4s; }

@keyframes streamFlow {
    0% { top: -20px; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* Logistics Visual */
.visual-logistics {
    background: var(--color-bg-secondary);
}

.log-warehouse {
    position: relative;
    width: 120px;
    height: 80px;
}

.log-shelf {
    position: absolute;
    width: 40px;
    height: 60px;
    background: var(--color-graphite-300);
    border-radius: 4px;
    border: 1px solid var(--color-graphite-400);
}

.log-shelf:nth-child(1) { left: 10px; top: 10px; }
.log-shelf:nth-child(2) { right: 10px; top: 10px; }

.log-amr {
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 20px;
    animation: amrMove 4s ease-in-out infinite;
}

.amr-body {
    width: 100%;
    height: 100%;
    background: var(--color-cyan-500);
    border-radius: 6px;
}

.amr-lights {
    position: absolute;
    top: 2px;
    left: 4px;
    right: 4px;
    display: flex;
    justify-content: space-between;
}

.amr-lights::before,
.amr-lights::after {
    content: '';
    width: 4px;
    height: 4px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 8px #fff;
    animation: lightBlink 0.5s ease-in-out infinite;
}

@keyframes amrMove {
    0%, 100% { left: 30%; }
    50% { left: 70%; }
}

@keyframes lightBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Sustainability Visual */
.visual-sustainability {
    background: var(--color-bg-secondary);
}

.sus-eco {
    position: relative;
    width: 100px;
    height: 80px;
}

.sus-factory {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 40px;
    background: var(--color-graphite-300);
    border-radius: 4px 4px 0 0;
}

.sus-smoke {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 15px;
}

.sus-smoke::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: #34d399;
    border-radius: 50%;
    animation: smokeRise 2s ease-out infinite;
}

.sus-leaf {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    background: #34d399;
    border-radius: 0 50% 0 50%;
    transform: rotate(-45deg);
    animation: leafSway 3s ease-in-out infinite;
}

@keyframes smokeRise {
    0% { bottom: 0; opacity: 1; transform: scale(1); }
    100% { bottom: 20px; opacity: 0; transform: scale(2); }
}

@keyframes leafSway {
    0%, 100% { transform: rotate(-45deg) scale(1); }
    50% { transform: rotate(-35deg) scale(1.1); }
}

.sus-cycle {
    position: absolute;
    bottom: 5px;
    left: 5px;
    width: 30px;
    height: 30px;
}

.sus-cycle span {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--color-cyan-500);
    border-radius: 50%;
    animation: orbit 2s linear infinite;
}

.sus-cycle span:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.sus-cycle span:nth-child(2) { bottom: 0; left: 0; animation-delay: 0.7s; }
.sus-cycle span:nth-child(3) { bottom: 0; right: 0; animation-delay: 1.4s; }

@keyframes orbit {
    0% { transform: rotate(0deg) translateX(12px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(12px) rotate(-360deg); }
}

.project-overlay {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
}

.project-category {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-cyan-400);
    background: rgba(6, 182, 212, 0.15);
    backdrop-filter: blur(4px);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 100px;
}

.project-info {
    padding: var(--space-lg);
}

.project-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.project-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

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

.team-avatars {
    display: flex;
}

.avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-graphite-300);
    border: 2px solid var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-left: -8px;
}

.avatar:first-child {
    margin-left: 0;
}

.team-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ============================================
   9. CONTACT SECTION
   ============================================ */
.contact {
    position: relative;
    padding: var(--space-3xl) 0;
}

.contact-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-header {
    text-align: left;
    margin-bottom: var(--space-xl);
}

.contact-header .section-title {
    font-size: var(--text-3xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-radius: 12px;
    transition: all var(--transition-base);
}

.contact-item:hover {
    background: var(--color-bg-secondary);
}

.contact-icon {
    width: 48px;
    height: 48px;
    color: var(--color-cyan-500);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 182, 212, 0.1);
    border-radius: 12px;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text-primary);
}

.contact-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-graphite-300);
    border-radius: 12px;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link:hover {
    color: var(--color-cyan-500);
    border-color: var(--color-cyan-500);
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrapper {
    position: relative;
}

.contact-form {
    padding: var(--space-xl);
}

.form-header {
    margin-bottom: var(--space-xl);
}

.form-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.form-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-graphite-300);
    border-radius: 10px;
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-cyan-500);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b6b7b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-submit {
    width: 100%;
    background: var(--gradient-cyan);
    color: var(--color-bg-primary);
    font-weight: 600;
    position: relative;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--color-cyan-glow);
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: var(--color-bg-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-submit.loading .btn-text {
    opacity: 0;
}

.btn-submit.loading .btn-loader {
    display: block;
    position: absolute;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-success {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.2);
    border-radius: 12px;
    margin-top: var(--space-md);
    color: #34d399;
    font-size: var(--text-sm);
}

.form-success.show {
    display: flex;
}

.form-success svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* ============================================
   10. FOOTER
   ============================================ */
.footer {
    position: relative;
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--color-graphite-300);
}

.footer-grid {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-heading {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-cyan-500);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-graphite-300);
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-text-secondary);
}

/* ============================================
   11. ANIMATIONS & SCROLL EFFECTS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Particle animation for hero */
.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--color-cyan-500);
    border-radius: 50%;
    pointer-events: none;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* ============================================
   12. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-showcase {
        grid-template-columns: 1fr;
    }
    
    .showcase-image {
        order: -1;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --text-4xl: 2rem;
        --text-5xl: 2.5rem;
        --text-6xl: 3rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-xl);
        padding: var(--space-3xl);
        transition: right var(--transition-slow);
        border-left: 1px solid var(--color-graphite-300);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: var(--text-lg);
    }
    
    .hero {
        padding-top: calc(var(--space-3xl) + 60px);
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        gap: var(--space-2xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .program-meta {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   13. ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-cyan-500);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-text-secondary: #c0c0d0;
        --color-text-muted: #9090a0;
    }
    
    .glass-card {
        background: rgba(17, 17, 24, 0.9);
        border-color: rgba(255, 255, 255, 0.2);
    }
}