/* ═══════════════════════════════════════════════
   AVYRA-LIVE — Design System
   Couleurs : #0A0A14 (noir profond), #1A5276 (bleu), #D4AF37 (or)
   ═══════════════════════════════════════════════ */

:root {
  --noir: #0A0A14;
  --bleu: #1A5276;
  --bleu-clair: #2980B9;
  --or: #D4AF37;
  --or-clair: #F0D060;
  --gris-100: #F8F9FA;
  --gris-200: #E9ECEF;
  --gris-300: #DEE2E6;
  --gris-600: #6C757D;
  --gris-800: #343A40;
  --blanc: #FFFFFF;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --transition: all 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--gris-800);
  line-height: 1.6;
  background: var(--blanc);
}
a { color: var(--bleu); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--bleu-clair); }
img { max-width: 100%; height: auto; }

/* ─── Layout ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--gris-100); }
.text-center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ─── Typography ─── */
h1 { font-size: 2.8rem; font-weight: 700; line-height: 1.2; color: var(--noir); }
h2 { font-size: 2rem; font-weight: 700; color: var(--noir); margin-bottom: 16px; }
h3 { font-size: 1.3rem; font-weight: 600; color: var(--bleu); margin-bottom: 12px; }
.subtitle { font-size: 1.15rem; color: var(--gris-600); max-width: 700px; margin: 0 auto 40px; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2::after {
  content: ''; display: block; width: 60px; height: 3px;
  background: var(--or); margin: 12px auto 0; border-radius: 2px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-block; padding: 14px 32px; border-radius: var(--radius);
  font-size: 1rem; font-weight: 600; cursor: pointer; transition: var(--transition);
  border: none; text-align: center;
}
.btn-primary { background: var(--or); color: var(--noir); }
.btn-primary:hover { background: var(--or-clair); color: var(--noir); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { background: transparent; color: var(--blanc); border: 2px solid var(--blanc); }
.btn-outline:hover { background: var(--blanc); color: var(--noir); }
.btn-blue { background: var(--bleu); color: var(--blanc); }
.btn-blue:hover { background: var(--bleu-clair); color: var(--blanc); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

/* ═══════════════════════════════════════════════
   LOGO ANIMATION
   ═══════════════════════════════════════════════ */
.logo-animated {
  opacity: 0;
  transform: scale(0.85);
  animation: logoEntrance 1.8s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
}

@keyframes logoEntrance {
  0% { opacity: 0; transform: scale(0.85); filter: brightness(0.5); }
  60% { opacity: 1; transform: scale(1.02); filter: brightness(1.1); }
  100% { opacity: 1; transform: scale(1); filter: brightness(1); }
}

@keyframes logoGlow {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(212,175,55,0.0)) brightness(1); }
  50% { filter: drop-shadow(0 0 20px rgba(212,175,55,0.4)) drop-shadow(0 0 40px rgba(212,175,55,0.15)) brightness(1.05); }
}

.logo-banner { position: relative; }
.logo-banner::after {
  content: '';
  position: absolute;
  bottom: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,0.4), transparent);
  animation: lineReveal 2s ease-out 1.5s both;
}
@keyframes lineReveal {
  from { left: 50%; right: 50%; opacity: 0; }
  to { left: 10%; right: 10%; opacity: 1; }
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212,175,55,0.4); }
  50% { box-shadow: 0 0 12px 4px rgba(212,175,55,0.3); }
}

/* ═══════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 10, 20, 0.95); backdrop-filter: blur(10px);
  padding: 0 24px; transition: var(--transition);
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.navbar-logo img { height: 50px; }
.navbar-logo span {
  font-size: 1.5rem; font-weight: 700; color: var(--blanc);
  letter-spacing: 3px;
}
.navbar-nav { display: flex; list-style: none; gap: 32px; }
.navbar-nav a {
  color: rgba(255,255,255,0.8); font-size: 0.95rem; font-weight: 500;
  padding: 8px 0; position: relative;
}
.navbar-nav a:hover, .navbar-nav a.active { color: var(--or); }
.navbar-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--or); transition: var(--transition);
}
.navbar-nav a:hover::after, .navbar-nav a.active::after { width: 100%; }
.navbar-cta .btn { padding: 10px 24px; font-size: 0.9rem; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--blanc); transition: var(--transition); }

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  position: relative; min-height: calc(100vh - 186px); display: flex; align-items: center;
  background: linear-gradient(135deg, var(--noir) 0%, #1a1a2e 50%, var(--bleu) 100%);
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(212,175,55,0.1) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 2; max-width: 700px; }
.hero h1 { color: var(--blanc); margin-bottom: 20px; }
.hero h1 .highlight { color: var(--or); }
.hero p { color: rgba(255,255,255,0.8); font-size: 1.2rem; margin-bottom: 32px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 20px;
  background: rgba(212,175,55,0.15); color: var(--or);
  font-size: 0.85rem; font-weight: 600; margin-bottom: 20px;
  border: 1px solid rgba(212,175,55,0.3);
}

/* ═══════════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════════ */
.card {
  background: var(--blanc); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 32px;
  transition: var(--transition); border: 1px solid var(--gris-200);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: linear-gradient(135deg, var(--bleu), var(--bleu-clair));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 16px; color: var(--blanc);
}
.card-gold .card-icon { background: linear-gradient(135deg, var(--or), var(--or-clair)); color: var(--noir); }

/* ═══════════════════════════════════════════════
   FORMULES TABLE
   ═══════════════════════════════════════════════ */
.formules-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.formules-table th {
  background: var(--bleu); color: var(--blanc); padding: 14px 20px;
  text-align: left; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px;
}
.formules-table td { padding: 16px 20px; border-bottom: 1px solid var(--gris-200); }
.formules-table tr:nth-child(even) { background: var(--gris-100); }
.formules-table tr:hover { background: #D6EAF8; }
.formule-name { font-weight: 700; color: var(--bleu); font-size: 1.05rem; }

/* ═══════════════════════════════════════════════
   GALERIE
   ═══════════════════════════════════════════════ */
.galerie-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px;
}
.galerie-item {
  aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden;
  position: relative; cursor: pointer;
  background: var(--gris-200);
}
.galerie-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.galerie-item:hover img { transform: scale(1.05); }
.galerie-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: var(--gris-600); font-size: 0.9rem; text-align: center; padding: 20px;
  background: linear-gradient(135deg, var(--gris-100), var(--gris-200));
}

/* ═══════════════════════════════════════════════
   CONTACT FORM
   ═══════════════════════════════════════════════ */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--gris-800); }
.form-control {
  width: 100%; padding: 12px 16px; border: 1px solid var(--gris-300);
  border-radius: var(--radius); font-size: 1rem; transition: var(--transition);
  font-family: inherit;
}
.form-control:focus { outline: none; border-color: var(--bleu); box-shadow: 0 0 0 3px rgba(26,82,118,0.1); }
textarea.form-control { min-height: 140px; resize: vertical; }

/* ─── Flash messages ─── */
.flash { padding: 14px 20px; border-radius: var(--radius); margin-bottom: 20px; font-weight: 500; }
.flash-success { background: #D4EDDA; color: #155724; border: 1px solid #C3E6CB; }
.flash-error { background: #F8D7DA; color: #721C24; border: 1px solid #F5C6CB; }

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  background: var(--noir); color: rgba(255,255,255,0.7); padding: 60px 0 30px;
}
.footer h4 { color: var(--or); font-size: 1rem; margin-bottom: 16px; }
.footer a { color: rgba(255,255,255,0.7); }
.footer a:hover { color: var(--or); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px;
  display: flex; justify-content: space-between; font-size: 0.85rem;
}
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.1); display: flex;
  align-items: center; justify-content: center; font-size: 1rem;
}
.footer-socials a:hover { background: var(--or); color: var(--noir); }

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { min-height: 80vh; padding-top: 80px; }
  .hero-buttons { flex-direction: column; }
  .section { padding: 50px 0; }
  .navbar-nav { display: none; }
  .hamburger { display: flex; }
  .navbar-nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 70px; left: 0; right: 0;
    background: var(--noir); padding: 20px 24px; gap: 16px;
  }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}