:root,
    [data-theme="dark"] {
      --font-body: 'Satoshi', 'Inter', sans-serif;
      --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;

      --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
      --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
      --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
      --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
      --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
      --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.75rem);
      --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

      --space-1: 0.25rem;
      --space-2: 0.5rem;
      --space-3: 0.75rem;
      --space-4: 1rem;
      --space-5: 1.25rem;
      --space-6: 1.5rem;
      --space-8: 2rem;
      --space-10: 2.5rem;
      --space-12: 3rem;
      --space-16: 4rem;
      --space-20: 5rem;
      --space-24: 6rem;

      --color-bg: #1E3A5F;
      --color-surface: color-mix(in srgb, #1E3A5F 86%, white 14%);
      --color-surface-2: color-mix(in srgb, #1E3A5F 74%, black 26%);
      --color-surface-offset: color-mix(in srgb, #1E3A5F 66%, white 34%);
      --color-border: color-mix(in srgb, #90E0EF 35%, transparent);
      --color-divider: color-mix(in srgb, #FFFFFF 18%, transparent);
      --color-text: #FFFFFF;
      --color-text-muted: color-mix(in srgb, #FFFFFF 78%, #90E0EF 22%);
      --color-text-faint: color-mix(in srgb, #FFFFFF 52%, #90E0EF 48%);
      --color-primary: #90E0EF;
      --color-primary-hover: color-mix(in srgb, #90E0EF 80%, white 20%);
      --color-primary-active: color-mix(in srgb, #90E0EF 78%, #1E3A5F 22%);
      --color-primary-strong: color-mix(in srgb, #90E0EF 65%, #1E3A5F 35%);
      --color-inverse: #0D1B2A;
      --radius-sm: 0.5rem;
      --radius-md: 0.9rem;
      --radius-lg: 1.35rem;
      --radius-xl: 1.9rem;
      --radius-full: 999px;
      --shadow-sm: 0 10px 30px rgba(3, 12, 25, 0.18);
      --shadow-md: 0 20px 50px rgba(3, 12, 25, 0.28);
      --shadow-lg: 0 28px 80px rgba(3, 12, 25, 0.36);
      --content-default: 1120px;
      --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
    }

    * , *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      font-family: var(--font-body);
      font-size: var(--text-base);
      line-height: 1.6;
      color: var(--color-text);
      background:
        radial-gradient(circle at top right, rgba(144,224,239,0.18), transparent 30%),
        radial-gradient(circle at left center, rgba(144,224,239,0.12), transparent 28%),
        linear-gradient(180deg, color-mix(in srgb, #1E3A5F 88%, #0b1625 12%), #1E3A5F 55%, #17314f 100%);
    }

    a { color: inherit; text-decoration: none; }
    img, svg { display: block; max-width: 100%; }
    button { font: inherit; }

    .skip-link {
      position: absolute;
      left: 1rem;
      top: -3rem;
      background: var(--color-primary);
      color: var(--color-inverse);
      padding: 0.75rem 1rem;
      border-radius: var(--radius-md);
      z-index: 1000;
    }
    .skip-link:focus { top: 1rem; }

    .container {
      width: min(calc(100% - 2rem), var(--content-default));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(14px);
      background: color-mix(in srgb, #1E3A5F 78%, transparent);
      border-bottom: 1px solid var(--color-divider);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-4);
      padding: var(--space-4) 0;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: var(--space-3);
    }

    .brand-copy strong {
      display: block;
      font-family: var(--font-display);
      font-size: 1.05rem;
      letter-spacing: 0.03em;
    }

    .brand-copy span {
      color: var(--color-primary);
      font-size: var(--text-sm);
    }

    .nav {
      display: flex;
      align-items: center;
      gap: var(--space-4);
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .nav a {
      color: var(--color-text-muted);
      font-size: var(--text-sm);
    }

    .nav a:hover,
    .nav a:focus-visible { color: var(--color-text); }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0.85rem 1.15rem;
      border-radius: var(--radius-full);
      border: 1px solid transparent;
      transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }

    .btn:hover { transform: translateY(-1px); }

    .btn-primary {
      background: var(--color-primary);
      color: var(--color-inverse);
      font-weight: 700;
    }

    .btn-secondary {
      background: rgba(255,255,255,0.04);
      color: var(--color-text);
      border-color: var(--color-border);
    }

    .hero {
      padding: clamp(4rem, 8vw, 7rem) 0 var(--space-20);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: var(--space-8);
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.55rem;
      padding: 0.55rem 0.9rem;
      border-radius: var(--radius-full);
      border: 1px solid var(--color-border);
      background: rgba(255,255,255,0.05);
      color: var(--color-primary);
      font-size: var(--text-sm);
      margin-bottom: var(--space-5);
    }

    h1, h2, h3 {
      font-family: var(--font-display);
      line-height: 1.05;
      margin: 0;
    }

    h1 {
      font-size: var(--text-3xl);
      max-width: 11ch;
      margin-bottom: var(--space-5);
    }

    .hero p {
      color: var(--color-text-muted);
      max-width: 60ch;
      margin: 0 0 var(--space-6);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-3);
      margin-bottom: var(--space-8);
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: var(--space-4);
    }

    .hero-points div,
    .stat-card,
    .service-card,
    .process-card,
    .contact-card {
      border: 1px solid var(--color-border);
      background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03));
      backdrop-filter: blur(8px);
      box-shadow: var(--shadow-sm);
    }

    .hero-points div {
      padding: var(--space-4);
      border-radius: var(--radius-lg);
    }

    .hero-points strong {
      display: block;
      font-size: var(--text-lg);
      margin-bottom: 0.2rem;
    }

    .hero-visual {
      position: relative;
      isolation: isolate;
    }

    .device-card {
      position: relative;
      padding: var(--space-6);
      border-radius: 2rem;
      background: linear-gradient(180deg, rgba(13,27,42,0.62), rgba(255,255,255,0.05));
      border: 1px solid rgba(255,255,255,0.12);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
    }

    .device-card::before,
    .device-card::after {
      content: "";
      position: absolute;
      border-radius: 50%;
      filter: blur(10px);
      z-index: -1;
    }

    .device-card::before {
      width: 12rem;
      height: 12rem;
      background: rgba(144,224,239,0.18);
      top: -3rem;
      right: -2rem;
    }

    .device-card::after {
      width: 10rem;
      height: 10rem;
      background: rgba(255,255,255,0.08);
      bottom: -4rem;
      left: -2rem;
    }

    .terminal {
      border-radius: 1.35rem;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.12);
      background: #0d1b2a;
    }

    .terminal-top {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.9rem 1rem;
      background: rgba(255,255,255,0.04);
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .dot {
      width: 0.7rem;
      height: 0.7rem;
      border-radius: 50%;
      background: rgba(255,255,255,0.35);
    }

    .dot:nth-child(2) { background: rgba(144,224,239,0.75); }
    .dot:nth-child(3) { background: rgba(255,255,255,0.15); }

    .terminal-body {
      padding: var(--space-5);
      display: grid;
      gap: var(--space-4);
      font-size: var(--text-sm);
      color: var(--color-text-muted);
    }

    .terminal-line {
      display: flex;
      gap: var(--space-3);
      align-items: flex-start;
    }

    .prompt { color: var(--color-primary); font-weight: 700; }

    .section {
      padding: var(--space-16) 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: var(--space-6);
      margin-bottom: var(--space-8);
    }

    .section-head p {
      max-width: 58ch;
      color: var(--color-text-muted);
      margin: var(--space-3) 0 0;
    }

    .services-grid,
    .process-grid,
    .stats-grid,
    .contact-grid {
      display: grid;
      gap: var(--space-4);
    }

    .services-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .service-card,
    .process-card,
    .stat-card,
    .contact-card {
      padding: var(--space-5);
      border-radius: var(--radius-xl);
      height: 100%;
    }

    .service-icon,
    .process-number {
      width: 3rem;
      height: 3rem;
      border-radius: 1rem;
      display: grid;
      place-items: center;
      margin-bottom: var(--space-4);
      background: rgba(144,224,239,0.12);
      color: var(--color-primary);
      border: 1px solid rgba(144,224,239,0.3);
    }

    .service-card p,
    .process-card p,
    .contact-card p,
    .stat-card p {
      color: var(--color-text-muted);
      margin: var(--space-3) 0 0;
    }

    .stats-grid {
      grid-template-columns: 1.1fr 0.9fr 0.9fr;
    }

    .stat-card strong {
      display: block;
      font-family: var(--font-display);
      font-size: var(--text-2xl);
      margin-bottom: 0.35rem;
    }

    .process-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .process-number {
      font-family: var(--font-display);
      font-size: 1.1rem;
      color: var(--color-text);
      background: rgba(255,255,255,0.08);
    }

    .band {
      padding: var(--space-8);
      border-radius: 2rem;
      background: linear-gradient(135deg, rgba(144,224,239,0.18), rgba(255,255,255,0.06));
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: var(--space-5);
      align-items: center;
    }

    .contact-grid {
      grid-template-columns: 1fr 1fr;
    }

    .contact-card ul {
      list-style: none;
      padding: 0;
      margin: var(--space-4) 0 0;
      display: grid;
      gap: var(--space-3);
      color: var(--color-text-muted);
    }

    .contact-card li strong { color: var(--color-text); }

    .site-footer {
      padding: var(--space-6) 0 var(--space-10);
      color: var(--color-text-faint);
      font-size: var(--text-sm);
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: var(--space-4);
      flex-wrap: wrap;
      padding-top: var(--space-5);
      border-top: 1px solid var(--color-divider);
    }

    [data-reveal] {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 700ms ease, transform 700ms ease;
    }

    [data-reveal].is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 960px) {
      .hero-grid,
      .band,
      .stats-grid,
      .contact-grid,
      .services-grid,
      .process-grid {
        grid-template-columns: 1fr;
      }

      .hero-points {
        grid-template-columns: 1fr;
      }

      .section-head,
      .header-inner {
        align-items: flex-start;
        flex-direction: column;
      }

      .nav {
        width: 100%;
        justify-content: flex-start;
      }
    }

    @media (max-width: 640px) {
      .container { width: min(calc(100% - 1.25rem), var(--content-default)); }
      .hero { padding-top: 2.5rem; }
      .device-card,
      .band { padding: var(--space-5); }
      h1 { max-width: 100%; }
    }

/* ---------- Extensions multi-pages GeekTech 13 ---------- */
.topbar {
  background: rgba(144,224,239,0.10);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}
.topbar-inner {
  display: flex; gap: var(--space-4); align-items: center; justify-content: space-between;
  flex-wrap: wrap; padding: 0.55rem 0; color: var(--color-text-muted);
}
.topbar a { color: var(--color-text); text-decoration: none; font-weight: 700; }
.topbar a:hover { color: var(--color-primary); }

.nav a[aria-current="page"] { color: var(--color-primary); }

.breadcrumb {
  font-size: var(--text-sm); color: var(--color-text-faint);
  padding-top: var(--space-5);
}
.breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-primary); }

.notice {
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg, 1rem);
  border: 1px solid rgba(144,224,239,0.35);
  background: rgba(144,224,239,0.10);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.prose { max-width: 68ch; }
.prose p, .prose ul { color: var(--color-text-muted); }
.prose ul { padding-left: 1.1rem; display: grid; gap: 0.5rem; }
.prose h3 { margin-top: var(--space-6); }

.faq-item {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-4) 0;
}
.faq-item summary {
  cursor: pointer; font-family: var(--font-display); font-weight: 700;
  font-size: var(--text-base); color: var(--color-text);
}
.faq-item[open] summary { color: var(--color-primary); }
.faq-item p { color: var(--color-text-muted); margin: var(--space-3) 0 0; }

.price-table { width: 100%; border-collapse: collapse; margin-top: var(--space-5); font-size: var(--text-sm); }
.price-table th, .price-table td { text-align: left; padding: 0.85rem 0.75rem; border-bottom: 1px solid var(--color-divider); }
.price-table th { font-family: var(--font-display); color: var(--color-text); }
.price-table td { color: var(--color-text-muted); }
.price-table td:last-child { color: var(--color-text); font-weight: 700; white-space: nowrap; }
.table-wrap { overflow-x: auto; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: start; }
@media (max-width: 960px) { .grid-2 { grid-template-columns: 1fr; } }

.map-frame { width: 100%; height: 320px; border: 1px solid var(--color-border); border-radius: var(--radius-xl, 1.25rem); }

.footer-nav { display: grid; gap: 0.4rem; }
.footer-nav a { color: var(--color-text-muted); text-decoration: none; font-size: var(--text-sm); }
.footer-nav a:hover { color: var(--color-primary); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: var(--space-6); padding: var(--space-6) 0; }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr; } }

.callbar { display: none; }
@media (max-width: 780px) {
  .callbar {
    display: flex; position: fixed; inset: auto 0 0 0; z-index: 50; gap: 0.5rem;
    padding: 0.6rem 0.75rem calc(0.6rem + env(safe-area-inset-bottom));
    background: rgba(11,26,44,0.94); backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-border);
  }
  .callbar .btn { flex: 1; text-align: center; padding: 0.8rem 0.5rem; }
  body { padding-bottom: 6.5rem; }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Liens soulignés dans le corps des pages ---------- */
main .prose a,
main .service-card a,
main .stat-card a,
main .process-card a,
main .contact-card a,
main .contact-card li a,
main .faq-item a,
main .notice a,
main .band a,
main .breadcrumb a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: rgba(144, 224, 239, 0.6);
}

main .prose a:hover,
main .service-card a:hover,
main .stat-card a:hover,
main .process-card a:hover,
main .contact-card a:hover,
main .faq-item a:hover,
main .notice a:hover,
main .band a:hover,
main .breadcrumb a:hover {
  text-decoration-thickness: 2px;
  text-decoration-color: var(--color-primary);
}

/* Les boutons d'action restent sans soulignement */
main a.btn,
main a.btn:hover,
main a.btn:focus { text-decoration: none !important; }