:root {
    --surface: #021429;
    --surface-dim: #021429;
    --surface-bright: #2a3a51;
    --surface-low: #0a1c31;
    --surface-container: #0f2036;
    --surface-high: #1a2b41;
    --surface-highest: #25364c;
    --on-surface: #d4e3ff;
    --on-surface-variant: #c4c6cf;
    --outline: #8e9199;
    --outline-variant: #43474e;
    --primary: #acc8f7;
    --primary-container: #082b52;
    --secondary: #00f1fe;
    --secondary-container: #00dbe7;
    --tertiary: #b8cac9;
    --error: #ffb4ab;
    --background: #021429;
    --deep-trench: #020B14;
    --surface-foam: rgba(255,255,255,0.7);
    --biolume-teal: #1DE9B6;
    --shell-sand: #F5F5F5;
    --gutter: 24px;
    --container-max: 1280px;
    --section-gap: 120px;
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Outfit', sans-serif;
    background: var(--background);
    color: var(--on-surface);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* ─── TYPOGRAPHY ─── */
  h1,h2,h3,h4 { font-family: 'Sora', sans-serif; line-height: 1.15; }
  .display-lg { font-size: clamp(40px,6vw,72px); font-weight: 800; letter-spacing: -0.02em; }
  .headline-lg { font-size: clamp(32px,4vw,48px); font-weight: 700; }
  .headline-md { font-size: clamp(24px,3vw,32px); font-weight: 600; }
  .headline-sm { font-size: clamp(20px,2.5vw,24px); font-weight: 600; }
  .body-lg { font-size: 18px; font-weight: 400; line-height: 1.7; }
  .body-md { font-size: 16px; font-weight: 400; line-height: 1.6; }
  .eyebrow { font-family: 'Outfit', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--biolume-teal); }
  .label-md { font-family: 'Outfit', sans-serif; font-size: 14px; font-weight: 600; line-height: 20px; }

  /* ─── LAYOUT ─── */
  .container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--gutter); }
  @media (min-width: 1024px) { .container { padding: 0 64px; } }
  section { padding: var(--section-gap) 0; }

  /* ─── GLASS ─── */
  .glass {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
  }
  .glass-strong {
    background: rgba(10,28,49,0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(172,200,247,0.15);
  }

  /* ─── BUTTONS ─── */
  .btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--secondary); color: var(--deep-trench);
    font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 14px; letter-spacing: 0.05em;
    padding: 14px 32px; border-radius: 8px; border: none;
    cursor: pointer; text-decoration: none; transition: all 0.25s ease;
    white-space: nowrap;
  }
  .btn-primary:hover { background: var(--secondary-container); box-shadow: 0 0 32px rgba(0,241,254,0.4); transform: translateY(-1px); }

  .btn-ghost {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--tertiary);
    font-family: 'Outfit', sans-serif; font-weight: 600; font-size: 14px; letter-spacing: 0.05em;
    padding: 13px 31px; border-radius: 8px; border: 1px solid var(--tertiary);
    cursor: pointer; text-decoration: none; transition: all 0.25s ease;
    white-space: nowrap;
  }
  .btn-ghost:hover { border-color: var(--secondary); color: var(--secondary); box-shadow: 0 0 20px rgba(0,241,254,0.15); }

  /* ─── NAVBAR ─── */
  #navbar {
    position: fixed; top: 16px; left: 16px; right: 16px; z-index: 50;
    border-radius: 16px; padding: 16px 28px;
    transition: all 0.3s ease;
  }
  .nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
  .nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer; }
  .nav-logo-text { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 16px; color: var(--on-surface); line-height: 1.2; }
  .nav-logo-sub { font-family: 'Outfit', sans-serif; font-size: 10px; font-weight: 400; color: var(--biolume-teal); letter-spacing: 0.1em; }
  .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
  .nav-links a { font-family: 'Outfit', sans-serif; font-size: 14px; font-weight: 500; color: var(--on-surface-variant); text-decoration: none; cursor: pointer; transition: color 0.2s; }
  .nav-links a:hover, .nav-links a.active { color: var(--on-surface); }
  .nav-cta { display: flex; align-items: center; gap: 16px; }
  #menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
  #mobile-menu { display: none; position: fixed; inset: 0; z-index: 49; padding-top: 100px; }
  #mobile-menu.open { display: flex; flex-direction: column; align-items: center; gap: 24px; }
  #mobile-menu a { font-family: 'Outfit', sans-serif; font-size: 20px; font-weight: 600; color: var(--on-surface); text-decoration: none; cursor: pointer; }

  @media (max-width: 768px) {
    .nav-links, .nav-cta .btn-primary { display: none; }
    #menu-toggle { display: block; }
  }

  /* ─── HERO ─── */
  .hero {
    min-height: 100vh; position: relative; display: flex; align-items: center;
    overflow: hidden;
  }
  .hero-bg {
    position: absolute; inset: 0; z-index: 0; overflow: hidden;
  }
  .hero-bg::after {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(180deg, rgba(2,20,41,0.3) 0%, rgba(2,20,41,0.7) 60%, var(--background) 100%);
  }
  .hero-bg video {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; object-position: center;
  }
  .hero-content { position: relative; z-index: 2; padding-top: 120px; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; border-radius: 99px; margin-bottom: 24px;
    border: 1px solid rgba(29,233,182,0.3); background: rgba(29,233,182,0.08);
  }
  .hero-badge span { font-family: 'Outfit', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 0.15em; color: var(--biolume-teal); }
  .hero h1 { max-width: 800px; margin-bottom: 24px; color: #fff; }
  .hero h1 em { font-style: normal; color: var(--secondary); }
  .hero p { max-width: 520px; color: var(--on-surface-variant); margin-bottom: 40px; }
  .hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
  .hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px; }
  .hero-scroll span { font-size: 11px; font-weight: 700; letter-spacing: 0.15em; color: var(--outline); text-transform: uppercase; }
  .scroll-line { width: 1px; height: 48px; background: linear-gradient(180deg, var(--outline) 0%, transparent 100%); animation: scrollPulse 2s ease-in-out infinite; }
  @keyframes scrollPulse { 0%,100%{opacity:0.3} 50%{opacity:1} }

  /* ─── TRUST STRIP ─── */
  .trust-strip { padding: 40px 0; border-top: 1px solid var(--outline-variant); border-bottom: 1px solid var(--outline-variant); }
  .trust-items { display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; }
  .trust-item { display: flex; align-items: center; gap: 12px; }
  .trust-item svg { color: var(--biolume-teal); flex-shrink: 0; }
  .trust-item span { font-size: 13px; font-weight: 600; color: var(--on-surface-variant); letter-spacing: 0.05em; }

  /* ─── STATS ─── */
  .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 2px; }
  .stat-card { padding: 40px 32px; text-align: center; }
  .stat-number { font-family: 'Sora', sans-serif; font-size: 56px; font-weight: 800; color: var(--secondary); line-height: 1; }
  .stat-number span { font-size: 28px; }
  .stat-label { font-size: 14px; color: var(--on-surface-variant); margin-top: 8px; letter-spacing: 0.05em; }

  /* ─── SECTION HEADER ─── */
  .section-header { text-align: center; margin-bottom: 64px; }
  .section-header p { color: var(--on-surface-variant); max-width: 560px; margin: 16px auto 0; }

  /* ─── BENEFITS GRID ─── */
  .benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 24px; }
  .benefit-card { padding: 40px 32px; border-radius: 16px; position: relative; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease; cursor: default; }
  .benefit-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,241,254,0.1); }
  .benefit-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; background: rgba(0,241,254,0.1); }
  .benefit-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
  .benefit-card p { color: var(--on-surface-variant); font-size: 15px; line-height: 1.7; }
  .benefit-glow { position: absolute; width: 200px; height: 200px; border-radius: 50%; filter: blur(60px); opacity: 0.06; top: -50px; right: -50px; background: var(--secondary); pointer-events: none; }

  /* ─── SERVICES PREVIEW ─── */
  .services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 24px; }
  .service-card { border-radius: 16px; overflow: hidden; cursor: pointer; transition: transform 0.3s ease; }
  .service-card:hover { transform: translateY(-6px); }
  .service-img { height: 220px; background-size: cover; background-position: center; position: relative; }
  .service-img::after { content:''; position: absolute; inset:0; background: linear-gradient(180deg, transparent 40%, rgba(2,11,20,0.9) 100%); }
  .service-body { padding: 28px; }
  .service-body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
  .service-body p { font-size: 14px; color: var(--on-surface-variant); line-height: 1.6; }

  /* ─── TESTIMONIALS ─── */
  .testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 24px; }
  .testimonial-card { padding: 32px; border-radius: 16px; border-left: 3px solid var(--biolume-teal); }
  .testimonial-card blockquote { font-size: 15px; color: var(--on-surface-variant); font-style: italic; line-height: 1.7; margin-bottom: 20px; }
  .testimonial-author { display: flex; align-items: center; gap: 12px; }
  .author-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--surface-bright); overflow: hidden; }
  .author-avatar img { width: 100%; height: 100%; object-fit: cover; }
  .author-name { font-size: 14px; font-weight: 600; }
  .author-role { font-size: 12px; color: var(--outline); }
  .stars { color: var(--biolume-teal); font-size: 13px; margin-bottom: 16px; }

  /* ─── ABOUT PREVIEW ─── */
  .about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
  @media (max-width: 768px) { .about-split { grid-template-columns: 1fr; gap: 40px; } }
  .about-img { border-radius: 20px; overflow: hidden; position: relative; }
  .about-img img { width: 100%; height: 480px; object-fit: cover; display: block; }
  .about-img-badge { position: absolute; bottom: 24px; left: 24px; padding: 16px 20px; border-radius: 12px; }
  .about-img-badge .big-num { font-family: 'Sora', sans-serif; font-size: 36px; font-weight: 800; color: var(--secondary); }
  .about-img-badge .big-label { font-size: 12px; color: var(--on-surface-variant); }
  .about-text h2 { margin-bottom: 20px; }
  .about-text p { color: var(--on-surface-variant); margin-bottom: 24px; }
  .about-list { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
  .about-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: var(--on-surface-variant); }
  .about-list li svg { color: var(--biolume-teal); flex-shrink: 0; margin-top: 2px; }

  /* ─── FINAL CTA ─── */
  .cta-section {
    text-align: center; padding: 100px 24px;
    background: linear-gradient(180deg, transparent, rgba(0,241,254,0.04), transparent);
    position: relative; overflow: hidden;
  }
  .cta-section::before { content:''; position:absolute; inset:0; background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(0,241,254,0.06) 0%, transparent 70%); pointer-events:none; }
  .cta-section h2 { margin-bottom: 20px; }
  .cta-section p { color: var(--on-surface-variant); max-width: 480px; margin: 0 auto 40px; }
  .cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

  /* ─── ABOUT PAGE ─── */
  .about-hero { padding: 160px 0 80px; position: relative; overflow: hidden; }
  .about-hero-bg { position: absolute; inset:0; background: linear-gradient(180deg,rgba(2,20,41,0.5),var(--background)), url('https://images.unsplash.com/photo-1583212292454-1fe6229603b7?w=1800&auto=format&fit=crop') center/cover; z-index: 0; }
  .about-hero .container { position: relative; z-index: 1; }
  .mission-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 24px; }
  .mission-card { padding: 36px; border-radius: 16px; }
  .mission-card h3 { font-size: 18px; font-weight: 700; margin: 16px 0 12px; color: var(--on-surface); }
  .mission-card p { font-size: 14px; color: var(--on-surface-variant); line-height: 1.7; }
  .differentiators { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 24px; }
  .diff-card { padding: 32px; border-radius: 16px; border-top: 2px solid var(--biolume-teal); }
  .diff-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
  .diff-card p { font-size: 14px; color: var(--on-surface-variant); }

  /* ─── SERVICES PAGE ─── */
  .services-hero { padding: 160px 0 80px; position: relative; overflow: hidden; }
  .services-hero-bg { position: absolute; inset:0; background: linear-gradient(180deg,rgba(2,20,41,0.6),var(--background)), url('https://images.unsplash.com/photo-1559825481-12a05cc00344?w=1800&auto=format&fit=crop') center/cover; z-index: 0; }
  .services-hero .container { position: relative; z-index: 1; }
  .services-detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); gap: 24px; margin-bottom: 80px; }
  .service-detail-card { border-radius: 20px; overflow: hidden; }
  .service-detail-img { height: 240px; background-size: cover; background-position: center; }
  .service-detail-body { padding: 32px; }
  .service-detail-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
  .service-detail-body p { font-size: 14px; color: var(--on-surface-variant); line-height: 1.7; margin-bottom: 16px; }
  .service-detail-body ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
  .service-detail-body ul li { font-size: 13px; color: var(--on-surface-variant); display: flex; gap: 8px; align-items: flex-start; }
  .service-detail-body ul li::before { content: '—'; color: var(--biolume-teal); flex-shrink: 0; }
  .how-it-works { counter-reset: step; }
  .steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 32px; }
  .step { text-align: center; padding: 32px 24px; }
  .step-num { width: 56px; height: 56px; border-radius: 50%; background: rgba(0,241,254,0.1); border: 1px solid rgba(0,241,254,0.3); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-family: 'Sora', sans-serif; font-size: 20px; font-weight: 800; color: var(--secondary); }
  .step h4 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
  .step p { font-size: 14px; color: var(--on-surface-variant); }
  /* FAQ */
  .faq-list { display: flex; flex-direction: column; gap: 2px; max-width: 760px; margin: 0 auto; }
  .faq-item { border-radius: 12px; overflow: hidden; }
  .faq-question { width: 100%; background: none; border: none; color: var(--on-surface); font-family: 'Outfit', sans-serif; font-size: 16px; font-weight: 600; text-align: left; padding: 24px 28px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; transition: background 0.2s; }
  .faq-question:hover { background: rgba(255,255,255,0.04); }
  .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
  .faq-answer.open { max-height: 300px; }
  .faq-answer p { padding: 0 28px 24px; font-size: 15px; color: var(--on-surface-variant); line-height: 1.7; }
  .faq-chevron { transition: transform 0.3s; flex-shrink: 0; }
  .faq-chevron.open { transform: rotate(180deg); }

  /* ─── SHOP PAGE ─── */
  .shop-hero { padding: 160px 0 60px; position: relative; overflow: hidden; text-align: center; }
  .shop-hero-bg { position: absolute; inset:0; background: linear-gradient(180deg,rgba(2,20,41,0.4),var(--background)), url('https://images.unsplash.com/photo-1515562141207-7a88fb7ce338?w=1800&auto=format&fit=crop') center/cover; z-index: 0; }
  .shop-hero .container { position: relative; z-index: 1; }
  .shop-filter { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
  .filter-chip { padding: 8px 20px; border-radius: 99px; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; border: 1px solid var(--outline-variant); color: var(--on-surface-variant); background: none; transition: all 0.2s; }
  .filter-chip:hover, .filter-chip.active { border-color: var(--secondary); color: var(--secondary); background: rgba(0,241,254,0.08); }
  .products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 28px; }
  .product-card { border-radius: 20px; overflow: hidden; cursor: pointer; transition: transform 0.3s, box-shadow 0.3s; }
  .product-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0,0,0,0.4); }
  .product-img-wrap { position: relative; height: 280px; overflow: hidden; }
  .product-img-wrap img { width:100%; height:100%; object-fit:cover; transition: transform 0.5s ease; display: block; }
  .product-card:hover .product-img-wrap img { transform: scale(1.05); }
  .product-badge { position: absolute; top: 16px; left: 16px; padding: 4px 12px; border-radius: 99px; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; }
  .badge-new { background: var(--biolume-teal); color: var(--deep-trench); }
  .badge-limited { background: var(--secondary); color: var(--deep-trench); }
  .product-body { padding: 24px; }
  .product-material { font-size: 11px; font-weight: 700; letter-spacing: 0.15em; color: var(--biolume-teal); text-transform: uppercase; margin-bottom: 6px; }
  .product-name { font-family: 'Sora', sans-serif; font-size: 18px; font-weight: 700; margin-bottom: 8px; }
  .product-desc { font-size: 13px; color: var(--on-surface-variant); line-height: 1.5; margin-bottom: 16px; }
  .product-footer { display: flex; align-items: center; justify-content: space-between; }
  .product-price { font-family: 'Sora', sans-serif; font-size: 22px; font-weight: 800; color: var(--secondary); }
  .btn-add { padding: 10px 20px; border-radius: 8px; font-size: 13px; font-weight: 700; background: rgba(0,241,254,0.1); border: 1px solid rgba(0,241,254,0.3); color: var(--secondary); cursor: pointer; transition: all 0.2s; }
  .btn-add:hover { background: var(--secondary); color: var(--deep-trench); }

  /* ─── CONTACT PAGE ─── */
  .contact-hero { padding: 160px 0 60px; position: relative; overflow: hidden; }
  .contact-hero-bg { position: absolute; inset:0; background: linear-gradient(180deg,rgba(2,20,41,0.6),var(--background)), url('https://images.unsplash.com/photo-1505118380757-91f5f5632de0?w=1800&auto=format&fit=crop') center/cover; z-index: 0; }
  .contact-hero .container { position: relative; z-index: 1; }
  .contact-split { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
  @media (max-width: 768px) { .contact-split { grid-template-columns: 1fr; } }
  .contact-info h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; }
  .contact-item { display: flex; gap: 16px; margin-bottom: 24px; }
  .contact-item-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(0,241,254,0.08); border: 1px solid rgba(0,241,254,0.2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .contact-item-icon svg { color: var(--secondary); }
  .contact-item-text .ci-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; color: var(--biolume-teal); text-transform: uppercase; margin-bottom: 4px; }
  .contact-item-text .ci-value { font-size: 15px; color: var(--on-surface); }
  .socials { display: flex; gap: 12px; margin-top: 32px; }
  .social-btn { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,0.05); border: 1px solid var(--outline-variant); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; text-decoration: none; }
  .social-btn:hover { border-color: var(--secondary); background: rgba(0,241,254,0.08); }
  .social-btn svg { color: var(--on-surface-variant); transition: color 0.2s; }
  .social-btn:hover svg { color: var(--secondary); }
  /* Form */
  .contact-form { padding: 40px; border-radius: 20px; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  @media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
  .form-group { margin-bottom: 20px; }
  .form-group label { display: block; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; color: var(--on-surface-variant); text-transform: uppercase; margin-bottom: 8px; }
  .form-group input, .form-group textarea, .form-group select {
    width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--outline-variant);
    border-radius: 8px; padding: 14px 16px; color: var(--on-surface);
    font-family: 'Outfit', sans-serif; font-size: 15px; outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .form-group input:focus, .form-group textarea:focus { border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(0,241,254,0.1); }
  .form-group textarea { resize: vertical; min-height: 140px; }
  .form-group select option { background: var(--surface-container); }
  .map-placeholder { border-radius: 16px; overflow: hidden; height: 280px; background: var(--surface-low); display: flex; align-items: center; justify-content: center; margin-top: 32px; border: 1px solid var(--outline-variant); position: relative; }
  .map-placeholder img { width:100%; height:100%; object-fit:cover; opacity: 0.6; }
  .map-label { position:absolute; padding: 12px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; }

  /* ─── FOOTER ─── */
  footer { border-top: 1px solid var(--outline-variant); padding: 64px 0 32px; }
  .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
  @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
  .footer-brand p { font-size: 14px; color: var(--on-surface-variant); line-height: 1.7; margin: 16px 0 24px; max-width: 260px; }
  .footer-col h5 { font-family: 'Outfit', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 0.15em; color: var(--biolume-teal); text-transform: uppercase; margin-bottom: 20px; }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
  .footer-col ul li a { font-size: 14px; color: var(--on-surface-variant); text-decoration: none; cursor: pointer; transition: color 0.2s; }
  .footer-col ul li a:hover { color: var(--on-surface); }
  .footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-top: 32px; border-top: 1px solid var(--outline-variant); }
  .footer-bottom p { font-size: 13px; color: var(--outline); }
  .footer-legal { display: flex; gap: 24px; }
  .footer-legal a { font-size: 13px; color: var(--outline); text-decoration: none; cursor: pointer; transition: color 0.2s; }
  .footer-legal a:hover { color: var(--on-surface-variant); }

  /* ─── ANIMATIONS ─── */
  @media (prefers-reduced-motion: no-preference) {
    .fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
    .fade-in.visible { opacity: 1; transform: translateY(0); }
    .fade-in-delay-1 { transition-delay: 0.1s; }
    .fade-in-delay-2 { transition-delay: 0.2s; }
    .fade-in-delay-3 { transition-delay: 0.3s; }
  }

  /* ─── DIVIDER ─── */
  .divider { height: 1px; background: linear-gradient(90deg, transparent, var(--outline-variant), transparent); margin: 0; }

  /* ─── GLOW ORBS ─── */
  .orb { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; opacity: 0.12; }
  .orb-cyan { background: var(--secondary); }
  .orb-teal { background: var(--biolume-teal); }
  .orb-blue { background: var(--primary); }

  /* counter animation */
  .count-up { display: inline-block; }

#mobile-menu[hidden] { display: none !important; }
#mobile-menu.open { display: flex !important; }
a.service-card { text-decoration: none; color: inherit; display: block; }
.footer-col ul li span { font-size: 14px; color: var(--on-surface-variant); }
@media (max-width: 768px) {
  .stats-grid .stat-card { border-right: none !important; }
  .stats-grid .stat-card:not(:last-child) {
    border-bottom: 1px solid var(--outline-variant);
  }
}