/* =========================================
       CSS VARIABLES & RESET (DARK THEME — them2)
       ========================================= */
    :root {
      --bg-deep: #050816;
      --bg-dark: #0a0f24;
      --bg-surface: rgba(10, 15, 36, 0.85);
      --bg-card: rgba(10, 15, 36, 0.6);
      --cyan: #00E5FF;
      --cyan-light: rgba(0, 229, 255, 0.15);
      --blue: #3B82F6;
      --purple: #8B5CF6;
      --purple-light: rgba(139, 92, 246, 0.15);
      --white: #ffffff;
      --text-primary: #ffffff;
      --text-secondary: #e2e8f0;
      --text-muted: #94a3b8;
      --glass-bg: rgba(255, 255, 255, 0.03);
      --glass-border: rgba(255, 255, 255, 0.08);
      --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
      --glass-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 229, 255, 0.12);
      --glass-blur: 16px;
      --font-main: 'Vazirmatn', Tahoma, sans-serif;
      --transition-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
      --transition-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    *, *::before, *::after {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-main);
      background-color: var(--bg-deep);
      color: var(--text-primary);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* =========================================
       TYPOGRAPHY
       ========================================= */
    h1, h2, h3, h4, h5, h6 {
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: -0.02em;
      color: var(--text-primary);
    }

    h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
    h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
    h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
    p { color: var(--text-muted); font-size: 1.125rem; }

    .gradient-text {
      background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 50%, var(--purple) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .section-label {
      font-size: 0.875rem;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      color: var(--cyan);
      font-weight: 700;
      margin-bottom: 1rem;
      display: inline-block;
    }

    /* =========================================
       LAYOUT & SECTIONS
       ========================================= */
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    section {
      position: relative;
      padding: 8rem 0;
      overflow: hidden;
    }

    @media (max-width: 768px) {
      section { padding: 5rem 0; }
      .container { padding: 0 1.25rem; }
    }

    /* =========================================
       NAVIGATION
       ========================================= */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 1.25rem 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: all 0.4s var(--transition-smooth);
    }

    .nav.scrolled {
      background: rgba(5, 8, 22, 0.85);
      backdrop-filter: blur(var(--glass-blur));
      -webkit-backdrop-filter: blur(var(--glass-blur));
      border-bottom: 1px solid var(--glass-border);
      padding: 0.875rem 2rem;
    }

    .nav-logo {
      font-size: 1.5rem;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: var(--text-primary);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .nav-logo svg {
      width: 28px;
      height: 28px;
      color: var(--cyan);
    }

    .nav-links {
      display: flex;
      gap: 2rem;
      list-style: none;
    }

    .nav-links a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.9375rem;
      font-weight: 600;
      transition: color 0.3s ease;
      position: relative;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--cyan);
      transition: width 0.3s var(--transition-smooth);
    }

    .nav-links a:hover { color: var(--cyan); }
    .nav-links a:hover::after { width: 100%; }

    .nav-cta {
      padding: 0.625rem 1.5rem;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
      color: var(--bg-deep);
      border: none;
      border-radius: 100px;
      font-weight: 700;
      font-size: 0.875rem;
      cursor: pointer;
      transition: transform 0.3s var(--transition-spring), box-shadow 0.3s ease;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0, 229, 255, 0.35);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-primary);
      cursor: pointer;
      padding: 0.5rem;
    }

    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-toggle { display: block; }
    }

    /* =========================================
       HERO SECTION
       ========================================= */
    .hero {
      position: relative;
      height: 100vh;
      min-height: 700px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .hero-layer {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      will-change: transform;
    }

    .hero-bg {
      background: url('https://image.qwenlm.ai/public_source/213652ca-d8a4-4a4d-b5a5-edbe68b7e15b/1bcabf2cf-5985-40a2-8d33-3ec98bb90dd2.png') center/cover no-repeat;
      opacity: 0.1;
      z-index: 1;
    }

    /* Layer 1: Dark Mesh Gradient Background */
    .hero-bg::after {
      background-color: var(--bg-deep);
      background-image: 
        radial-gradient(at 0% 0%, rgba(0, 229, 255, 0.12) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.12) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(0, 229, 255, 0.06) 0px, transparent 50%);
      z-index: 1;
    }

    /* Layer 2 & 3: Canvas DNA & Particles */
    .hero-canvas {
      z-index: 2;
      opacity: 0.9;
    }

    /* Layer 4: Network SVG */
    .hero-network {
      z-index: 3;
      opacity: 0.4;
    }

    .network-line {
      stroke: var(--cyan);
      stroke-width: 1;
      opacity: 0.2;
      animation: pulse-line 4s ease-in-out infinite;
    }

    .network-node {
      fill: var(--cyan);
      opacity: 0.4;
      animation: pulse-node 3s ease-in-out infinite;
    }

    @keyframes pulse-line {
      0%, 100% { opacity: 0.1; }
      50% { opacity: 0.3; }
    }

    @keyframes pulse-node {
      0%, 100% { opacity: 0.2; r: 2; }
      50% { opacity: 0.6; r: 3; }
    }

    /* Layer 5: Foreground Molecules */
    .hero-foreground {
      z-index: 4;
      pointer-events: none;
    }

    .molecule {
      position: absolute;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(0, 229, 255, 0.2), rgba(59, 130, 246, 0.05));
      border: 1px solid rgba(0, 229, 255, 0.25);
      box-shadow: 0 8px 32px rgba(0, 229, 255, 0.15);
      opacity: 0.7;
    }

    .molecule-1 { width: 160px; height: 160px; top: 15%; left: 10%; }
    .molecule-2 { width: 100px; height: 100px; top: 60%; right: 15%; background: radial-gradient(circle at 30% 30%, rgba(139, 92, 246, 0.2), rgba(59, 130, 246, 0.05)); border-color: rgba(139, 92, 246, 0.25); box-shadow: 0 8px 32px rgba(139, 92, 246, 0.15); }
    .molecule-3 { width: 80px; height: 80px; bottom: 20%; left: 20%; background: radial-gradient(circle at 30% 30%, rgba(59, 130, 246, 0.2), rgba(0, 229, 255, 0.05)); border-color: rgba(59, 130, 246, 0.25); }
    .molecule-4 { width: 60px; height: 60px; top: 25%; right: 25%; background: radial-gradient(circle at 30% 30%, rgba(0, 229, 255, 0.25), rgba(255,255,255,0.08)); border-color: rgba(0, 229, 255, 0.3); }

    /* Hero Content */
    .hero-content {
      position: relative;
      z-index: 10;
      text-align: center;
      max-width: 900px;
      padding: 0 2rem;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 1.25rem;
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: 100px;
      backdrop-filter: blur(8px);
      font-size: 0.875rem;
      color: var(--cyan);
      font-weight: 600;
      margin-bottom: 2rem;
      box-shadow: var(--glass-shadow);
      animation: fadeInDown 1s var(--transition-smooth) 0.2s both;
    }

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

    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.5); }
    }

    .hero h1 {
      margin-bottom: 1.5rem;
      animation: fadeInUp 1s var(--transition-smooth) 0.4s both;
    }

    .hero p {
      font-size: clamp(1.125rem, 2vw, 1.5rem);
      max-width: 650px;
      margin: 0 auto 2.5rem;
      color: var(--text-secondary);
      animation: fadeInUp 1s var(--transition-smooth) 0.6s both;
    }

    .hero-actions {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeInUp 1s var(--transition-smooth) 0.8s both;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 1rem 2rem;
      border-radius: 100px;
      font-weight: 600;
      font-size: 1rem;
      text-decoration: none;
      cursor: pointer;
      transition: all 0.3s var(--transition-spring);
      border: none;
      position: relative;
      overflow: hidden;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--cyan), var(--blue));
      color: var(--bg-deep);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 32px rgba(0, 229, 255, 0.4);
    }

    .btn-secondary {
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      color: var(--white);
      backdrop-filter: blur(8px);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--cyan);
      color: var(--white);
      transform: translateY(-3px);
      box-shadow: 0 12px 32px rgba(0, 229, 255, 0.15);
    }

    .scroll-indicator {
      position: absolute;
      bottom: 2rem;
      left: 50%;
      transform: translateX(-50%);
      z-index: 10;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
      color: var(--text-muted);
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      animation: fadeIn 1s var(--transition-smooth) 1.2s both;
    }

    .scroll-line {
      width: 2px;
      height: 40px;
      background: linear-gradient(to bottom, var(--cyan), transparent);
      border-radius: 2px;
      animation: scroll-anim 2s ease-in-out infinite;
    }

    @keyframes scroll-anim {
      0% { transform: scaleY(0); transform-origin: top; }
      50% { transform: scaleY(1); transform-origin: top; }
      51% { transform-origin: bottom; }
      100% { transform: scaleY(0); transform-origin: bottom; }
    }

    /* =========================================
       GLASSMORPHISM CARDS
       ========================================= */
    .glass-card {
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: 20px;
      padding: 2rem;
      backdrop-filter: blur(var(--glass-blur));
      -webkit-backdrop-filter: blur(var(--glass-blur));
      box-shadow: var(--glass-shadow);
      transition: all 0.4s var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }

    .glass-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    }

    .glass-card:hover {
      border-color: rgba(0, 229, 255, 0.3);
      transform: translateY(-8px);
      box-shadow: var(--glass-shadow-hover);
    }

    /* =========================================
       SECTION 1: DECODING
       ========================================= */
    .decoding {
      display: flex;
      align-items: center;
      gap: 4rem;
    }

    .decoding-visual {
      flex: 1;
      position: relative;
      height: 500px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .dna-svg-container {
      width: 100%;
      height: 100%;
      position: relative;
    }

    .decoding-content {
      flex: 1;
    }

    .decoding-content h2 {
      margin-bottom: 1.5rem;
    }

    .decoding-content p {
      margin-bottom: 2rem;
    }

    .feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .feature-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem 1.5rem;
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: 12px;
      transition: all 0.3s ease;
    }

    .feature-item:hover {
      border-color: var(--cyan);
      background: var(--cyan-light);
      transform: translateX(4px);
    }

    .feature-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--cyan-light), var(--purple-light));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .feature-icon svg {
      width: 20px;
      height: 20px;
      color: var(--cyan);
    }

    .feature-text {
      font-weight: 600;
      color: var(--text-primary);
    }

    @media (max-width: 968px) {
      .decoding { flex-direction: column; }
      .decoding-visual { height: 350px; width: 100%; }
    }

    /* =========================================
       SECTION 2: INSIGHTS
       ========================================= */
    .insights-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 4rem;
    }

    .insights-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
    }

    .insight-card {
      padding: 2.5rem 2rem;
      text-align: center;
      cursor: default;
    }

    .insight-icon {
      width: 64px;
      height: 64px;
      margin: 0 auto 1.5rem;
      background: linear-gradient(135deg, var(--cyan-light), var(--purple-light));
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(0, 229, 255, 0.15);
      transition: all 0.4s var(--transition-spring);
    }

    .insight-card:hover .insight-icon {
      transform: scale(1.1) rotate(5deg);
      box-shadow: 0 0 0 4px var(--cyan-light);
    }

    .insight-icon svg {
      width: 28px;
      height: 28px;
      color: var(--cyan);
    }

    .insight-card h3 {
      margin-bottom: 0.75rem;
      font-size: 1.25rem;
    }

    .insight-card p {
      font-size: 0.9375rem;
      line-height: 1.6;
      color: var(--text-muted);
    }

    /* =========================================
       SECTION 3: GENOME VIZ
       ========================================= */
    .genome-section {
      position: relative;
    }

    .genome-canvas-container {
      position: relative;
      width: 100%;
      height: 600px;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid var(--glass-border);
      background: rgba(5, 8, 22, 0.5);
      box-shadow: var(--glass-shadow);
    }

    .genome-canvas-container canvas {
      width: 100%;
      height: 100%;
      display: block;
    }

    .genome-overlay {
      position: absolute;
      top: 2rem;
      left: 2rem;
      z-index: 5;
    }

    .genome-overlay h3 {
      margin-bottom: 0.5rem;
    }

    .genome-overlay p {
      font-size: 0.875rem;
      max-width: 300px;
      color: var(--text-muted);
    }

    .genome-stats {
      position: absolute;
      bottom: 2rem;
      right: 2rem;
      display: flex;
      gap: 2rem;
      z-index: 5;
    }

    .genome-stat {
      text-align: right;
    }

    .genome-stat-value {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--cyan);
    }

    .genome-stat-label {
      font-size: 0.75rem;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      font-weight: 600;
    }

    @media (max-width: 768px) {
      .genome-canvas-container { height: 400px; }
      .genome-overlay { top: 1rem; left: 1rem; }
      .genome-stats { bottom: 1rem; right: 1rem; gap: 1rem; }
      .genome-stat-value { font-size: 1.125rem; }
    }

    /* =========================================
       SECTION 4: PROCESS
       ========================================= */
    .process-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 5rem;
    }

    .timeline {
      position: relative;
      display: flex;
      justify-content: space-between;
      gap: 1rem;
    }

    .timeline::before {
      content: '';
      position: absolute;
      top: 32px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--glass-border);
      z-index: 0;
    }

    .timeline-progress {
      position: absolute;
      top: 32px;
      left: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--cyan), var(--purple));
      z-index: 1;
      width: 0;
      transition: width 1.5s var(--transition-smooth);
      box-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
    }

    .timeline-step {
      flex: 1;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .step-number {
      width: 64px;
      height: 64px;
      margin: 0 auto 1.5rem;
      background: var(--bg-deep);
      border: 2px solid var(--glass-border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--text-muted);
      transition: all 0.5s var(--transition-spring);
    }

    .timeline-step.active .step-number {
      border-color: var(--cyan);
      color: var(--cyan);
      box-shadow: 0 0 0 4px var(--cyan-light);
      background: rgba(0, 229, 255, 0.1);
    }

    .step-title {
      font-weight: 700;
      margin-bottom: 0.5rem;
      color: var(--text-secondary);
      transition: color 0.3s ease;
    }

    .timeline-step.active .step-title {
      color: var(--text-primary);
    }

    .step-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      max-width: 150px;
      margin: 0 auto;
      line-height: 1.5;
    }

    @media (max-width: 768px) {
      .timeline {
        flex-direction: column;
        gap: 2rem;
      }
      .timeline::before {
        top: 0;
        bottom: 0;
        left: 32px;
        width: 2px;
        height: auto;
      }
      .timeline-progress {
        top: 0;
        left: 32px;
        width: 2px;
        height: 0;
        transition: height 1.5s var(--transition-smooth);
      }
      .timeline-step {
        text-align: left;
        display: flex;
        gap: 1.5rem;
        align-items: flex-start;
      }
      .step-number {
        margin: 0;
        flex-shrink: 0;
      }
      .step-desc { max-width: none; }
    }

    /* =========================================
       SECTION 5: STATS
       ========================================= */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 2rem;
      text-align: center;
    }

    .stat-item {
      padding: 2rem;
    }

    .stat-value {
      font-size: clamp(2.5rem, 5vw, 4rem);
      font-weight: 800;
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1;
      margin-bottom: 0.5rem;
    }

    .stat-label {
      font-size: 1rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* =========================================
       SECTION 6: TESTIMONIALS
       ========================================= */
    .testimonials-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 4rem;
    }

    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 2rem;
      perspective: 1000px;
    }

    .testimonial-card {
      padding: 2.5rem;
      transform-style: preserve-3d;
      transition: transform 0.1s ease;
    }

    .testimonial-card-inner {
      transform: translateZ(20px);
    }

    .testimonial-stars {
      color: #F59E0B;
      margin-bottom: 1.5rem;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

    .testimonial-text {
      font-size: 1.125rem;
      color: var(--text-secondary);
      margin-bottom: 2rem;
      line-height: 1.7;
      font-style: italic;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .author-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--bg-deep);
    }

    .author-info h4 {
      font-size: 1rem;
      margin-bottom: 0.125rem;
      color: var(--text-primary);
    }

    .author-info p {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    /* =========================================
       SECTION 7: CTA
       ========================================= */
    .cta-section {
      text-align: center;
      position: relative;
    }

    .cta-bg {
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.1) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
    }

    .cta-content h2 {
      margin-bottom: 1.5rem;
    }

    .cta-content p {
      font-size: 1.25rem;
      margin-bottom: 3rem;
      color: var(--text-secondary);
    }

    .cta-actions {
      display: flex;
      gap: 1.5rem;
      justify-content: center;
      flex-wrap: wrap;
    }

    .btn-glow {
      position: relative;
    }

    .btn-glow::before {
      content: '';
      position: absolute;
      inset: -2px;
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      border-radius: inherit;
      z-index: -1;
      opacity: 0;
      transition: opacity 0.3s ease;
      filter: blur(16px);
    }

    .btn-glow:hover::before {
      opacity: 0.4;
    }

    /* =========================================
       FOOTER
       ========================================= */
    .footer {
      border-top: 1px solid var(--glass-border);
      padding: 4rem 0 2rem;
      background: rgba(5, 8, 22, 0.5);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 3rem;
      margin-bottom: 3rem;
    }

    .footer-brand p {
      margin-top: 1rem;
      font-size: 0.9375rem;
      max-width: 300px;
      color: var(--text-muted);
    }

    .footer-col h4 {
      font-size: 0.875rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--text-primary);
      margin-bottom: 1.5rem;
      font-weight: 700;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    .footer-col a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.9375rem;
      transition: color 0.3s ease;
      font-weight: 500;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 2rem;
      border-top: 1px solid var(--glass-border);
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    @media (max-width: 768px) {
      .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
      .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    }

    /* =========================================
       ANIMATIONS & REVEALS
       ========================================= */
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }

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

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

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-15px); }
    }

    .reveal {
      opacity: 0;
      transform: translateY(40px);
      transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }

    /* =========================================
       REDUCED MOTION
       ========================================= */
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }
      .hero-layer { transform: none !important; }
      .molecule { animation: none !important; }
      .scroll-line { animation: none !important; }
    }