:root {
    --white: #ffffff;
    --black: #0a0a0f;
    --gray-50: #f8f8fa;
    --gray-100: #f0f0f4;
    --gray-200: #e4e4ea;
    --gray-300: #c8c8d2;
    --gray-400: #9898a8;
    --gray-500: #686878;
    --gray-600: #48485a;
    --gray-700: #2e2e3e;
    --accent: #0057ff;
    --accent-light: #e8f0ff;
    --green: #00c471;
    --green-light: #e6faf2;
    --radius: 20px;
    --radius-lg: 32px;
    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--white);
    color: var(--black);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  /* ─── NAV ─── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 48px; height: 72px;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: background var(--transition);
  }
  .nav-logo {
    font-family: 'Syne', sans-serif; font-weight: 800; font-size: 22px;
    letter-spacing: -0.5px; color: var(--black); text-decoration: none;
    display: flex; align-items: center;
  }
  .nav-logo-dot {
    width: 8px; height: 8px; background: var(--accent);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
  }
  @keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.6); opacity: 0.7; }
  }

  .nav-back {
    display: flex; align-items: center; gap: 8px;
    font-size: 14px; color: var(--gray-400); text-decoration: none;
    padding: 10px 20px; border-radius: 100px;
    border: 1.5px solid var(--gray-200);
    transition: color var(--transition-fast), border-color var(--transition-fast);
  }
  .nav-back:hover { color: var(--black); border-color: var(--black); }
  .nav-back svg { transition: transform var(--transition-fast); }
  .nav-back:hover svg { transform: translateX(-3px); }

  /* ─── HERO ─── */
  .hero {
    padding: 140px 48px 72px;
    text-align: center;
    position: relative; overflow: hidden;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
  }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(0,87,255,0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,87,255,0.035) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
    pointer-events: none;
  }
  .doc-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--white); border: 1px solid var(--gray-200);
    padding: 7px 18px; border-radius: 100px;
    font-size: 12px; font-weight: 500; color: var(--gray-500);
    margin-bottom: 28px; letter-spacing: 0.06em; text-transform: uppercase;
    position: relative; z-index: 1;
  }
  .hero-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 800; line-height: 1;
    letter-spacing: -0.03em; color: var(--black);
    margin-bottom: 20px;
    position: relative; z-index: 1;
  }
  .hero-sub {
    font-size: 16px; font-weight: 300;
    color: var(--gray-400); max-width: 480px;
    margin: 0 auto; line-height: 1.7;
    position: relative; z-index: 1;
  }
  .hero-meta {
    margin-top: 24px;
    font-size: 13px; color: var(--gray-300);
    position: relative; z-index: 1;
  }

  /* ─── LAYOUT ─── */
  .doc-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 0;
    max-width: 1100px; margin: 0 auto;
    padding: 72px 48px;
    align-items: start;
  }

  /* ─── SIDEBAR ─── */
  .sidebar {
    position: sticky; top: 96px;
    padding-right: 48px;
  }
  .sidebar-title {
    font-size: 11px; font-weight: 600; color: var(--gray-300);
    text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px;
  }
  .sidebar-nav { list-style: none; display: flex; flex-direction: column; gap: 4px; }
  .sidebar-nav a {
    display: block; font-size: 13px; font-weight: 400;
    color: var(--gray-400); text-decoration: none;
    padding: 8px 12px; border-radius: 10px;
    border-left: 2px solid transparent;
    transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
    line-height: 1.4;
  }
  .sidebar-nav a:hover { color: var(--black); background: var(--gray-50); border-left-color: var(--accent); }
  .sidebar-nav a.active { color: var(--accent); background: var(--accent-light); border-left-color: var(--accent); font-weight: 500; }

  /* ─── CONTENT ─── */
  .doc-content { min-width: 0; }
  .doc-section {
    padding: 56px 0; border-bottom: 1px solid var(--gray-100);
    scroll-margin-top: 100px;
  }
  .doc-section:last-child { border-bottom: none; }
  .section-num {
    font-size: 11px; font-weight: 600; color: var(--accent);
    text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px;
    display: flex; align-items: center; gap: 8px;
  }
  .section-num::before { content: ''; width: 20px; height: 1px; background: var(--accent); display: inline-block; }
  .section-heading {
    font-family: 'Syne', sans-serif;
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 800; letter-spacing: -0.025em;
    color: var(--black); margin-bottom: 28px; line-height: 1.1;
  }
  .section-body { display: flex; flex-direction: column; gap: 16px; }
  .section-body p { font-size: 15px; font-weight: 300; color: var(--gray-600); line-height: 1.8; }
  .section-body strong { font-weight: 500; color: var(--black); }
  .section-body ul { padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
  .section-body ul li {
    font-size: 15px; font-weight: 300; color: var(--gray-600); line-height: 1.7;
    padding-left: 22px; position: relative;
  }
  .section-body ul li::before {
    content: ''; position: absolute; left: 0; top: 9px;
    width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  }

  /* Info card */
  .info-card {
    background: var(--gray-50); border: 1px solid var(--gray-200);
    border-radius: var(--radius); padding: 28px 32px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  }
  .info-field label {
    display: block; font-size: 11px; font-weight: 600;
    color: var(--gray-300); text-transform: uppercase;
    letter-spacing: 0.08em; margin-bottom: 6px;
  }
  .info-field span {
    font-size: 14px; font-weight: 400; color: var(--gray-600); line-height: 1.5;
  }
  .info-field span.email {
    color: var(--accent); font-weight: 500;
  }

  /* Highlight boxes */
  .highlight-box {
    background: var(--accent-light);
    border: 1px solid rgba(0,87,255,0.15);
    border-radius: var(--radius); padding: 24px 28px;
    display: flex; gap: 16px; align-items: flex-start;
  }
  .highlight-box-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
  .highlight-box p { font-size: 14px !important; color: var(--gray-600) !important; line-height: 1.7 !important; }
  .highlight-box strong { color: var(--accent) !important; }

  .green-box { background: var(--green-light); border-color: rgba(0,196,113,0.2); }
  .green-box strong { color: #00a85a !important; }

  /* Hébergeurs table */
  .hebergeurs-table { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; }
  .hebergeur-row {
    display: grid; grid-template-columns: auto 1fr auto;
    padding: 18px 24px; border-bottom: 1px solid var(--gray-100);
    gap: 16px; align-items: center; transition: background var(--transition-fast);
  }
  .hebergeur-row:last-child { border-bottom: none; }
  .hebergeur-row:hover { background: var(--gray-50); }
  .hebergeur-logo {
    font-family: 'Syne', sans-serif; font-size: 15px; font-weight: 800;
    color: var(--black); letter-spacing: -0.02em; min-width: 80px;
  }
  .hebergeur-desc { font-size: 14px; font-weight: 300; color: var(--gray-500); line-height: 1.5; }
  .hebergeur-link a {
    font-size: 12px; font-weight: 500; color: var(--accent); text-decoration: none;
    padding: 5px 12px; border-radius: 100px; background: var(--accent-light);
    transition: background var(--transition-fast);
    white-space: nowrap;
  }
  .hebergeur-link a:hover { background: var(--accent); color: white; }

  /* ─── FOOTER ─── */
  footer {
    background: var(--black);
    border-top: 1px solid rgba(255,255,255,0.07);
    padding: 40px 48px;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 20px;
  }
  .footer-logo { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 800; color: var(--white); text-decoration: none; }
  .footer-links { display: flex; gap: 24px; list-style: none; }
  .footer-links a { font-size: 13px; color: rgba(255,255,255,0.3); text-decoration: none; transition: color var(--transition-fast); }
  .footer-links a:hover { color: rgba(255,255,255,0.7); }
  .footer-copy { font-size: 12px; color: rgba(255,255,255,0.2); }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 900px) {
    .doc-layout { grid-template-columns: 1fr; padding: 48px 32px; }
    .sidebar { position: relative; top: auto; padding-right: 0; padding-bottom: 40px; border-bottom: 1px solid var(--gray-100); margin-bottom: 8px; }
    .sidebar-nav { flex-direction: row; flex-wrap: wrap; gap: 6px; }
    .sidebar-nav a { border-left: none; border-bottom: 2px solid transparent; border-radius: 100px; padding: 6px 14px; font-size: 12px; }
    .sidebar-nav a:hover, .sidebar-nav a.active { border-left-color: transparent; border-bottom-color: var(--accent); }
    .info-card { grid-template-columns: 1fr; gap: 16px; }
  }
  @media (max-width: 768px) {
    nav { padding: 0 24px; height: 64px; }
    .hero { padding: 110px 24px 56px; }
    .doc-layout { padding: 40px 24px; }
    footer { padding: 32px 24px; flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
    .hebergeur-row { grid-template-columns: 1fr; gap: 8px; }
  }
  @media (max-width: 480px) {
    nav { padding: 0 16px; }
    .hero { padding: 96px 16px 48px; }
    .doc-layout { padding: 32px 16px; }
    footer { padding: 28px 16px; }
    .doc-section { padding: 40px 0; }
  }