/* Pareto — style des pages publiques (accueil, mentions légales, confidentialité).
   Autonome : ne dépend pas de app.css (qui est en grille, pour l'application). */
:root {
  --bg: #f6f7fb; --surface: #ffffff; --surface-2: #f0f2f8; --surface-3: #e6e9f2;
  --text: #323338; --text-2: #676879; --border: #d0d4e4;
  --primary: #0073ea; --primary-h: #0060c2; --primary-soft: #cce5ff; --ok: #00a462;
  --shadow: 0 1px 2px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.06);
  --radius: 10px; --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181b34; --surface: #23264a; --surface-2: #2b2f57; --surface-3: #363b6a;
    --text: #e8e9f3; --text-2: #a3a6c4; --border: #44497a;
    --primary: #4b9dff; --primary-h: #2f87f5; --primary-soft: #23406f; --ok: #33d391;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.6 var(--font); color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.2px; }
.muted { color: var(--text-2); }
.small { font-size: 13px; }

/* Logo : trois barres, comme l'icône de l'onglet (identique à accueil.css et app.css) */
.logo { display: inline-flex; align-items: flex-end; gap: 2px; width: 30px; height: 30px; padding: 7px 6px; border-radius: 9px;
  background: linear-gradient(135deg, #0073ea, #7b5cff); box-shadow: 0 6px 16px -6px #0073ea; }
.logo i { flex: 1; background: #fff; border-radius: 1.5px; }
.logo i:nth-child(1) { height: 100%; } .logo i:nth-child(2) { height: 68%; } .logo i:nth-child(3) { height: 42%; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--text); font-size: 18px; }
.brand:hover { text-decoration: none; }

/* Boutons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); font-weight: 600; color: var(--text);
  transition: background .15s, border-color .15s; }
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); }
.btn-lg { padding: 12px 22px; font-size: 16px; }

/* En-tête de navigation */
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 1040px; margin: 0 auto; padding: 18px 24px; }
.nav nav { display: flex; align-items: center; gap: 22px; }
.nav nav a { color: var(--text-2); font-weight: 500; }
.nav nav a.btn-primary { color: #fff; }

main { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* Hero */
.hero { padding: 56px 0 40px; max-width: 760px; }
.hero h1 { font-size: 44px; margin: 0 0 18px; }
.lead { font-size: 19px; color: var(--text-2); margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }

/* Sections */
section h2 { font-size: 28px; margin: 0 0 24px; }
.features { padding: 40px 0; border-top: 1px solid var(--border); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); }
.card h3 { font-size: 17px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--text-2); font-size: 15px; }

.securite { padding: 40px 0; border-top: 1px solid var(--border); }
.checks { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 12px; max-width: 760px; }
.checks li { position: relative; padding-left: 30px; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: -1px; color: #fff; font-weight: 700;
  font-size: 12px; width: 20px; height: 20px; border-radius: 50%; background: var(--ok);
  display: grid; place-items: center; }

.cta-end { padding: 56px 0; border-top: 1px solid var(--border); text-align: center; }
.cta-end h2 { margin-bottom: 10px; }
.cta-end p { margin: 0 0 22px; }

/* Pied de page */
.foot { border-top: 1px solid var(--border); margin-top: 24px; }
.foot .brand, .foot nav, .foot p { max-width: 1040px; margin-left: auto; margin-right: auto; padding: 0 24px; }
.foot .brand { padding-top: 28px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 18px; padding-top: 14px; padding-bottom: 8px; }
.foot nav a { color: var(--text-2); }
.foot p { padding-bottom: 28px; }

/* Pages de texte (mentions légales, confidentialité) */
.doc { max-width: 760px; padding: 24px 0 56px; }
.doc h1 { font-size: 34px; margin: 24px 0 6px; }
.doc .updated { color: var(--text-2); margin: 0 0 32px; }
.doc h2 { font-size: 21px; margin: 34px 0 10px; }
.doc p, .doc li { color: var(--text); }
.doc .muted, .doc .muted li { color: var(--text-2); }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .todo { background: var(--surface-2); border: 1px dashed var(--border); border-radius: 8px;
  padding: 2px 7px; font-size: 14px; color: var(--text-2); }
.doc table { border-collapse: collapse; width: 100%; margin: 12px 0; }
.doc th, .doc td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: top; }
.doc th { background: var(--surface-2); font-weight: 600; }
.backlink { display: inline-block; margin-top: 8px; }

@media (max-width: 760px) {
  .hero h1 { font-size: 34px; }
  .grid { grid-template-columns: 1fr; }
  .nav nav { gap: 14px; }
  .nav nav a:not(.btn) { display: none; }
}