:root[data-theme="light"] {
    --bg: #ffffff; --bg-soft: #f5f7fb; --surface: #ffffff;
    --ink: #182b72; --ink-soft: #5a6390;
    --blue: #182b72; --orange: #ff5e00; --pink: #ff4d8d;
    --yellow: #ffd400; --green: #00d68f; --purple: #7c3aed;
    --line: rgba(13,23,65,0.08);
  }
  :root[data-theme="dark"] {
    --bg: #0a0a1f; --bg-soft: #14143a; --surface: #1a1a40;
    --ink: #ffffff; --ink-soft: #b0b4d6;
    --blue: #5470ff; --orange: #ff7a2e; --pink: #ff5e9c;
    --yellow: #ffd400; --green: #00e89e; --purple: #a78bfa;
    --line: rgba(255,255,255,0.1);
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; overflow-x: hidden; }
  body {
    font-family: 'Bricolage Grotesque', sans-serif;
    max-width: 100vw;
    background: var(--bg); color: var(--ink);
    line-height: 1.5; -webkit-font-smoothing: antialiased;
    overflow-x: hidden; transition: background 0.4s, color 0.4s;
  }
  a { color: inherit; }

  .bg-blobs { display: none; }
  .blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.35; animation: float 18s ease-in-out infinite; }
  .blob-1 { width: 500px; height: 500px; background: var(--orange); top: -150px; left: -100px; }
  .blob-2 { width: 400px; height: 400px; background: var(--blue); top: 30%; right: -100px; animation-delay: -6s; }
  .blob-3 { width: 450px; height: 450px; background: var(--pink); bottom: -100px; left: 30%; animation-delay: -12s; opacity: 0.25; }
  @keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, -40px) scale(1.1); }
    66% { transform: translate(-40px, 60px) scale(0.95); }
  }

  nav {
    position: sticky; top: 0; z-index: 100;
    padding: 20px 0;
    backdrop-filter: blur(20px);
    background: color-mix(in srgb, var(--bg) 75%, transparent);
    border-bottom: 1px solid var(--line);
  }
  .nav-inner { display: flex; justify-content: space-between; align-items: center; padding: 0 24px; max-width: 1320px; margin: 0 auto; }
  .logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; letter-spacing: -0.02em; text-decoration: none; color: var(--ink); }
  .logo-mark {
    height: 48px; width: auto; object-fit: contain; display: block;
  }
  .nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
  .nav-links a { color: var(--ink-soft); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
  .nav-links a:hover { color: var(--ink); }
  .theme-toggle {
    display: none !important;
    width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line);
    background: var(--surface); cursor: pointer; font-size: 16px;
    display: flex; align-items: center; justify-content: center; color: var(--ink);
    transition: transform 0.2s, background 0.3s;
  }
  .theme-toggle:hover { transform: scale(1.05); }
  .nav-toggle {
    display: none;
    width: 38px; height: 38px; border-radius: 10px;
    border: 1px solid var(--line); background: var(--surface);
    cursor: pointer; flex-direction: column;
    align-items: center; justify-content: center; gap: 5px; padding: 0;
  }
  .nav-toggle span {
    width: 18px; height: 2px; background: var(--ink);
    border-radius: 2px; transition: transform 0.25s ease, opacity 0.2s ease;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-menu {
    display: none; flex-direction: column;
    padding: 8px 24px 20px; border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg) 95%, transparent);
    backdrop-filter: blur(20px);
  }
  .mobile-menu a {
    color: var(--ink); text-decoration: none;
    font-size: 16px; font-weight: 500;
    padding: 14px 4px; border-bottom: 1px solid var(--line);
  }
  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu.open { display: flex; }
  .nav-links > li { position: relative; }
  .nav-link-toggle {
    display: inline-flex; align-items: center; gap: 5px;
    cursor: pointer; background: none; border: none;
    color: var(--ink-soft); font-family: inherit;
    font-size: 14px; font-weight: 500; padding: 0;
    transition: color 0.2s;
  }
  .nav-link-toggle:hover { color: var(--ink); }
  .nav-link-toggle::after {
    content: ''; width: 5px; height: 5px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translate(-1px, -1px);
    transition: transform 0.2s;
  }
  .has-dropdown.open .nav-link-toggle::after { transform: rotate(-135deg) translate(-3px, -3px); }
  .dropdown {
    position: absolute; top: 100%; left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 220px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 8px;
    box-shadow: 0 12px 32px rgba(13,23,65,0.08);
    opacity: 0; pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    margin-top: 10px;
    z-index: 50;
  }
  .has-dropdown:hover > .dropdown,
  .has-dropdown.open > .dropdown {
    opacity: 1; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
  .dropdown a {
    display: block; padding: 10px 14px; border-radius: 8px;
    font-size: 14px; font-weight: 500; color: var(--ink);
    text-decoration: none; white-space: nowrap;
    transition: background 0.15s, color 0.15s;
  }
  .dropdown a:hover { background: var(--bg-soft); color: var(--orange); }
  .mobile-group { padding: 6px 0 10px; border-bottom: 1px solid var(--line); }
  .mobile-group:last-child { border-bottom: none; }
  .mobile-group-title {
    font-size: 11px; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--ink-soft);
    font-weight: 700; padding: 12px 4px 4px;
  }
  .mobile-group a { border-bottom: none; padding: 10px 4px 10px 14px; font-size: 15px; }

  /* === FAQ === */
  .faq-hero { padding: 80px 24px 30px; max-width: 900px; margin: 0 auto; text-align: center; }
  .faq-hero h1 {
    font-size: clamp(40px, 6vw, 64px); font-weight: 700;
    letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 16px;
  }
  .faq-hero h1 em {
    font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400;
    background: linear-gradient(135deg, var(--orange), var(--pink));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  }
  .faq-hero p { color: var(--ink-soft); font-size: 17px; max-width: 600px; margin: 0 auto; }

  .faq-section { max-width: 820px; margin: 0 auto; padding: 40px 24px 60px; }
  .faq-cat {
    font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em;
    color: var(--orange); font-weight: 700;
    margin: 40px 0 14px; padding: 0 4px;
  }
  .faq-cat:first-of-type { margin-top: 0; }

  .faq-list { display: flex; flex-direction: column; gap: 14px; }
  .faq-item {
    background: var(--surface); border: 1px solid var(--line); border-radius: 18px;
    overflow: hidden;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  }
  .faq-item:hover { transform: translateY(-2px); }
  .faq-item[open] {
    border-color: color-mix(in srgb, var(--orange) 45%, transparent);
    box-shadow: 0 14px 36px rgba(13,23,65,0.08);
  }
  .faq-item summary {
    list-style: none; cursor: pointer; padding: 22px 26px;
    font-size: 17px; font-weight: 600; color: var(--ink);
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after {
    content: '+'; font-size: 26px; color: var(--orange);
    font-weight: 400; line-height: 1; flex-shrink: 0;
    transition: transform 0.25s;
  }
  .faq-item[open] summary::after { content: '−'; }
  .faq-answer {
    padding: 0 26px 22px;
    color: var(--ink-soft); font-size: 15px; line-height: 1.7;
  }
  .faq-answer p { margin-bottom: 10px; }
  .faq-answer p:last-child { margin-bottom: 0; }
  .faq-answer a { color: var(--orange); font-weight: 500; text-decoration: none; }
  .faq-answer a:hover { text-decoration: underline; }
  .faq-answer strong { color: var(--ink); }

  /* CTA bottom */
  .faq-cta {
    max-width: 820px; margin: 0 auto 100px; padding: 0 24px;
  }
  .faq-cta-card {
    background: linear-gradient(135deg, color-mix(in srgb, var(--orange) 8%, var(--surface)), var(--surface));
    border: 1px solid var(--line); border-radius: 28px;
    padding: 40px; text-align: center;
  }
  .faq-cta-card h3 {
    font-size: 26px; font-weight: 700; letter-spacing: -0.01em;
    margin-bottom: 10px; color: var(--ink);
  }
  .faq-cta-card p { color: var(--ink-soft); margin-bottom: 22px; }
  .btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 26px; border-radius: 999px;
    background: linear-gradient(135deg, var(--orange), var(--pink));
    color: white; text-decoration: none;
    font-weight: 600; font-size: 15px;
    box-shadow: 0 10px 30px color-mix(in srgb, var(--orange) 35%, transparent);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 36px color-mix(in srgb, var(--orange) 50%, transparent);
  }

  footer { padding: 60px 24px 30px; background: var(--surface); border-top: 1px solid var(--line); }
  .footer-inner { max-width: 1320px; margin: 0 auto; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 40px; }
  .footer-tag { color: var(--ink-soft); font-size: 14px; max-width: 280px; margin: 16px 0; }
  .footer-qualiopi {
    background: white;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--line);
    display: inline-block;
  }
  .footer-qualiopi img { height: 36px; width: auto; display: block; }
  .footer-list h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-soft); margin-bottom: 14px; font-weight: 600; }
  .footer-list ul { list-style: none; font-size: 14px; line-height: 2; }
  .footer-list a { color: var(--ink); text-decoration: none; opacity: 0.85; }
  .footer-list a:hover { opacity: 1; color: var(--orange); }
  .footer-contact a { display: inline-flex; align-items: center; gap: 6px; transition: color 0.2s; }
  .footer-bottom { max-width: 1320px; margin: 0 auto; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-soft); }

  @media (max-width: 900px) {
.nav-links { display: none; }
    .nav-toggle { display: flex; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 8px; }
    .faq-cta-card { padding: 32px 24px; }
  }