/* ============================================================
   THÈME « AI DARK » — SoftHome DZ
   Design sombre tendance : dégradés violets, effet néon, verre dépoli.
   Pour changer la couleur d'accent : modifiez --accent.
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --accent: #8b5cf6;          /* violet néon */
  --accent-fort: #a78bfa;
  --accent-fonce: #6d28d9;
  --fond: #0b0620;            /* fond général très sombre */
  --fond-2: #150c33;          /* fond des sections alternées */
  --carte: rgba(255, 255, 255, 0.045);
  --bordure: rgba(167, 139, 250, 0.22);
  --texte: #ece8fa;
  --texte-doux: #b6aed6;
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texte);
  line-height: 1.7;
  background: var(--fond);
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 760px; }

img { max-width: 100%; height: auto; display: block; }

/* ===== EN-TÊTE ===== */
.site-header {
  position: sticky; top: 0;
  background: rgba(11, 6, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bordure);
  z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 1.3rem; font-weight: 700; text-decoration: none; color: var(--texte); }
.logo span { color: var(--accent-fort); }
nav a { margin-left: 22px; text-decoration: none; color: var(--texte-doux); font-weight: 500; }
nav a:hover { color: var(--accent-fort); }

/* ===== HÉRO ===== */
.hero {
  position: relative;
  padding: 80px 0 70px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(139, 92, 246, 0.35), transparent),
    radial-gradient(ellipse 40% 40% at 85% 60%, rgba(109, 40, 217, 0.22), transparent),
    var(--fond);
}
.hero-badge {
  display: inline-block;
  background: rgba(139, 92, 246, 0.14);
  border: 1px solid var(--bordure);
  color: var(--accent-fort);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: 2.7rem;
  margin-bottom: 18px;
  line-height: 1.18;
  max-width: 840px;
  margin-left: auto; margin-right: auto;
  background: linear-gradient(90deg, #ffffff, #c4b5fd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { font-size: 1.15rem; max-width: 680px; margin: 0 auto 30px; color: var(--texte-doux); }
.hero-img {
  max-width: 560px;
  margin: 38px auto 0;
  border-radius: 18px;
  border: 1px solid var(--bordure);
  box-shadow: 0 0 60px rgba(139, 92, 246, 0.25);
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  color: #ffffff;
  padding: 14px 34px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 6px 24px rgba(139, 92, 246, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(139, 92, 246, 0.5); }

/* ===== SECTIONS ===== */
.section { padding: 70px 0; }
.section-alt { background: var(--fond-2); }
.section h2 { font-size: 2rem; margin-bottom: 34px; text-align: center; }
.section p { max-width: 820px; margin-left: auto; margin-right: auto; margin-bottom: 14px; color: var(--texte-doux); }
.section strong { color: var(--texte); }

/* ===== GRILLE DE CARTES (verre dépoli) ===== */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card {
  background: var(--carte);
  border: 1px solid var(--bordure);
  border-radius: 16px;
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 40px rgba(139, 92, 246, 0.22);
}
.card-img {
  border-radius: 10px;
  margin-bottom: 18px;
  border: 1px solid var(--bordure);
}
.card h3 { margin-bottom: 12px; line-height: 1.35; color: var(--texte); }
.card h3 a { color: var(--texte); text-decoration: none; }
.card h3 a:hover { color: var(--accent-fort); }
.card p { margin: 0 0 12px; color: var(--texte-doux); }
.card-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-fort);
  background: rgba(139, 92, 246, 0.13);
  border: 1px solid var(--bordure);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.card-link { color: var(--accent-fort); font-weight: 600; text-decoration: none; }
.card-link:hover { text-decoration: underline; }

#contact a { color: var(--accent-fort); }

/* ===== PAGES ARTICLES ===== */
.article { padding: 50px 0 70px; }
.breadcrumb { font-size: 0.88rem; color: var(--texte-doux); margin-bottom: 22px; }
.breadcrumb a { color: var(--accent-fort); text-decoration: none; }
.article h1 { font-size: 2.2rem; line-height: 1.25; margin: 10px 0 20px; color: #ffffff; }
.article h2 { font-size: 1.5rem; margin: 38px 0 14px; color: var(--accent-fort); }
.article p { margin-bottom: 16px; color: var(--texte-doux); }
.article .lead { font-size: 1.15rem; color: var(--texte); }
.article ul, .article ol { margin: 0 0 18px 24px; color: var(--texte-doux); }
.article li { margin-bottom: 8px; }
.article a { color: var(--accent-fort); }
.article strong { color: var(--texte); }
.article-img {
  border-radius: 14px;
  margin: 8px 0 26px;
  border: 1px solid var(--bordure);
  box-shadow: 0 0 40px rgba(139, 92, 246, 0.18);
}

/* ===== PIED DE PAGE ===== */
.site-footer {
  background: #070313;
  color: var(--texte-doux);
  padding: 34px 0;
  text-align: center;
  border-top: 1px solid var(--bordure);
}
.footer-links { margin-top: 8px; }
.footer-links a { color: var(--accent-fort); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }

/* ===== SUPPORT ARABE (RTL — droite à gauche) =====
   Appliqué automatiquement sur les pages <html dir="rtl"> */
[dir="rtl"] body,
[dir="rtl"] {
  font-family: "Segoe UI", Tahoma, system-ui, -apple-system, sans-serif;
}
[dir="rtl"] nav a { margin-left: 0; margin-right: 22px; }
[dir="rtl"] .article ul,
[dir="rtl"] .article ol { margin: 0 24px 18px 0; }
[dir="rtl"] .hero h1 { line-height: 1.35; }
[dir="rtl"] .article h1 { line-height: 1.4; }

/* Lien de changement de langue (FR ⇄ AR) */
.lang-switch {
  border: 1px solid var(--bordure);
  border-radius: 999px;
  padding: 4px 14px;
  color: var(--accent-fort) !important;
  font-size: 0.88rem;
}
.lang-switch:hover { background: rgba(139, 92, 246, 0.13); }

/* ===== RESPONSIVE (mobile-first : Google indexe le mobile en priorité) ===== */
@media (max-width: 640px) {
  .hero { padding: 56px 0 50px; }
  .hero h1 { font-size: 1.85rem; }
  .article h1 { font-size: 1.6rem; }
  nav a { margin-left: 12px; font-size: 0.88rem; }
  [dir="rtl"] nav a { margin-left: 0; margin-right: 12px; }
}