/* Alkebulan Explorer — site public. Dérivé de cfl-showcase-site/site/styles.css :
   même charte Codeflow (rouge de marque, polices système, dark/light via prefers-color-scheme).
   Sans dépendance, sans police externe. La page /p a sa propre feuille (couleurs de l'app mobile). */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #2d333b;
  --text: #e6edf3;
  --text-muted: #9da7b1;
  --accent: #e0524d;
  --accent-solid: #b70000;
  --accent-contrast: #ffffff;
  --max-width: 64rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafbfc;
    --surface: #ffffff;
    --border: #d9dee3;
    --text: #1c2128;
    --text-muted: #57606a;
    --accent: #b70000;
    --accent-solid: #b70000;
    --accent-contrast: #ffffff;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}

/* --- Header --- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-family: system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
}

/* Symbole du logo (kit design, pin + continent découpé, sans fond) : transparent, pas de
   police ni de fond opaque, se pose donc proprement sur le thème clair ou sombre du site
   vitrine. <picture> choisit la variante par prefers-color-scheme (voir index.html et les
   pages légales) ; dimensions calées sur l'ancien .brand-mark (1.75rem de haut). */
.brand-symbol {
  display: block;
  height: 1.75rem;
  width: auto;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover { color: var(--text); }

.nav-cta {
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent) !important;
}

.lang-toggle {
  display: flex;
  gap: 0.4rem;
  font-size: 0.85rem;
}

.lang-toggle a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.lang-toggle a[aria-current="true"] {
  color: var(--text);
  font-weight: 700;
  background: var(--surface);
}

/* --- Hero --- */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem 3.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.hero-lead {
  max-width: 42rem;
  font-size: 1.15rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
}

.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }

.hero-note {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Buttons --- */
.button {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-family: inherit;
  font-size: 1rem;
  background: transparent;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.button:hover { border-color: var(--accent); transform: translateY(-1px); }

.button-primary {
  background: var(--accent-solid);
  border-color: var(--accent-solid);
  color: var(--accent-contrast);
}

/* --- Sections --- */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
  border-top: 1px solid var(--border);
}

.section h2 {
  font-size: 1.75rem;
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
}

.section-lead {
  max-width: 42rem;
  color: var(--text-muted);
  margin: -0.75rem 0 1.5rem;
}

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.4rem;
}

.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }

.card p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

/* --- Attribution / legal links --- */
.attribution {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.attribution a { color: var(--text-muted); }

.legal-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* --- Legal pages --- */
.legal-doc {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.legal-doc h1 { font-size: 2rem; margin-bottom: 0.25rem; }

.legal-doc .legal-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

.legal-doc h2 {
  font-size: 1.2rem;
  margin: 2rem 0 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.legal-doc h2:first-of-type { border-top: none; padding-top: 0; margin-top: 1.5rem; }

.legal-doc p, .legal-doc li { color: var(--text-muted); }

.legal-doc .todo {
  display: inline-block;
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
  font-size: 0.8rem;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.site-footer a { color: var(--text-muted); }