:root{
  --brand:#0f5b6f;
  --accent:#38c5bb;
  --bg:#ffffff;
  --fg:#0e2230;
  --muted:#5e7484;
  --card:#f5f8fa;
  --border:#e3edf2;
}
[data-theme="dark"]{
  --bg:#0b1216;
  --fg:#e6eef3;
  --muted:#a8bdcc;
  --card:#101b22;
  --border:#23323b;
}
*{box-sizing:border-box} body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--fg);}
.container{max-width:1100px;margin:0 auto;padding:0 16px}
.site-header{position:sticky;top:0;background:var(--bg);border-bottom:1px solid var(--border);z-index:10}
.header__inner{display:flex;align-items:center;gap:16px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg);font-weight:800}
.brand img{height:36px;width:36px}
.nav{display:flex;gap:12px;margin-left:auto}
.nav__link{padding:8px 10px;border-radius:10px;text-decoration:none;color:var(--fg)}
.nav__link.is-active, .nav__link:hover{background:var(--card)}
.theme-select, .lang-select{border:1px solid var(--border);background:var(--bg);color:var(--fg);border-radius:10px;padding:6px}
.btn{border:1px solid var(--border);background:var(--card);color:var(--fg);padding:10px 14px;border-radius:12px;text-decoration:none;display:inline-block}
.btn--primary{background:var(--accent);border-color:transparent;color:#08353a;font-weight:700}
.btn--ghost{background:transparent}
.btn--sm{padding:6px 10px;border-radius:8px}
.btn--icon{background:transparent;border:none}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center;padding:32px 0}
.hero img{width:220px;opacity:.95}
.card{background:var(--card);border:1px solid var(--border);padding:16px;border-radius:16px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:32px 0}
.site-footer{border-top:1px solid var(--border);margin-top:40px}
.site-footer p{color:var(--muted);text-align:center}
.prose h1,h2,h3{margin:16px 0}
.offer-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.offer{border:1px solid var(--border);background:var(--card);border-radius:14px;padding:12px;transition:transform 0.2s ease, box-shadow 0.2s ease}
.offer:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.1)}
.offer-actions{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap}
.map{height:420px;border:1px solid var(--border);border-radius:16px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:var(--border);color:var(--fg);font-size:12px;margin-right:6px}
.form-group{margin:12px 0;display:flex;flex-direction:column;gap:6px}
input,select,textarea{background:var(--bg);border:1px solid var(--border);color:var(--fg);padding:10px;border-radius:12px}
.alert{padding:10px;border-radius:10px;background:#ffe5e5;color:#7b1d1d;border:1px solid #ffc2c2;margin:8px 0}
.success{background:#e5ffef;color:#126533;border:1px solid #b9f0cd}
.header-right{display:flex;gap:8px;align-items:center}

/* Messages flash */
.flash-messages {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  max-width: 500px;
  width: 90%;
}

.flash {
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 8px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  animation: slideIn 0.3s ease-out;
}

.flash--success {
  background: #e5ffef;
  color: #126533;
  border: 1px solid #b9f0cd;
}

.flash--error {
  background: #ffe5e5;
  color: #7b1d1d;
  border: 1px solid #ffc2c2;
}

.flash--warning {
  background: #fff5e5;
  color: #8b5a00;
  border: 1px solid #ffd700;
}

.flash--info {
  background: #e5f3ff;
  color: #0066cc;
  border: 1px solid #b3d9ff;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Offres externes */
.offer--external {
  border-left: 4px solid #ff6b35;
  background: linear-gradient(135deg, #fff8f5 0%, #ffffff 100%);
}

.offer-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
}

.offer-badge--external {
  background: #ff6b35;
  color: white;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 107, 53, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0);
  }
}

.btn--secondary {
  background: #6c757d;
  color: white;
  border: 1px solid #6c757d;
}

.btn--secondary:hover {
  background: #5a6268;
  border-color: #5a6268;
}

/* Responsive Design - Mobile First */
@media (max-width: 768px) {
  /* Container et espacement */
  .container {
    padding: 0 12px;
  }
  
  /* Header mobile */
  .header__inner {
    padding: 8px 0;
    flex-wrap: wrap;
  }
  
  .brand img {
    height: 28px;
    width: 28px;
  }
  
  .brand span {
    font-size: 16px;
  }
  
  /* Navigation mobile */
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    gap: 8px;
  }
  
  .nav.mobile-open {
    display: flex;
  }
  
  .nav__link {
    padding: 12px 16px;
    border-radius: 8px;
    text-align: center;
  }
  
  /* Bouton menu mobile */
  .mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: var(--fg);
    font-size: 24px;
    cursor: pointer;
    margin-left: auto;
  }
  
  .header-right {
    gap: 4px;
  }
  
  .theme-select, .lang-select {
    padding: 4px 6px;
    font-size: 12px;
  }
  
  /* Hero section mobile */
  .hero {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px 0;
    text-align: center;
  }
  
  .hero img {
    width: 120px;
    margin: 0 auto;
  }
  
  .hero-text h1 {
    font-size: 24px;
    margin-bottom: 8px;
  }
  
  .hero-text p {
    font-size: 14px;
    margin-bottom: 16px;
  }
  
  .actions {
    flex-direction: column;
    gap: 8px;
  }
  
  .btn {
    padding: 12px 16px;
    font-size: 14px;
    text-align: center;
  }
  
  /* Cards et grilles */
  .features {
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 16px 0;
  }
  
  .offer-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .card {
    padding: 12px;
    border-radius: 12px;
  }
  
  /* Formulaires mobile */
  .form-group {
    margin: 8px 0;
  }
  
  input, select, textarea {
    padding: 12px;
    font-size: 16px; /* Évite le zoom sur iOS */
    border-radius: 8px;
  }
  
  /* Map mobile */
  .map {
    height: 300px;
    border-radius: 12px;
  }
  
  /* Badges et éléments */
  .badge {
    font-size: 11px;
    padding: 3px 6px;
    margin-right: 4px;
  }
  
  /* Footer mobile */
  .site-footer {
    margin-top: 24px;
    padding: 16px 0;
  }
  
  .site-footer p {
    font-size: 12px;
    line-height: 1.4;
  }
  
  /* Prose mobile */
  .prose h1 {
    font-size: 24px;
    margin: 12px 0;
  }
  
  .prose h2 {
    font-size: 20px;
    margin: 10px 0;
  }
  
  .prose h3 {
    font-size: 18px;
    margin: 8px 0;
  }
  
  .prose p {
    font-size: 14px;
    line-height: 1.5;
  }
  
  /* Alertes mobile */
  .alert, .success {
    padding: 12px;
    font-size: 14px;
    border-radius: 8px;
  }
  
  /* Flash messages mobile */
  .flash-messages {
    margin: 8px 0;
  }
  
  .flash {
    padding: 12px;
    font-size: 14px;
    border-radius: 8px;
  }
}

/* Tablettes */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }
  
  .hero {
    gap: 20px;
    padding: 24px 0;
  }
  
  .hero img {
    width: 160px;
  }
  
  .features {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .offer-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop large */
@media (min-width: 1025px) {
  .mobile-menu-btn {
    display: none;
  }
  
  .nav {
    display: flex;
  }
}

/* Améliorations générales pour mobile */
@media (max-width: 768px) {
  /* Améliorer la lisibilité */
  body {
    font-size: 14px;
    line-height: 1.5;
  }
  
  /* Espacement des sections */
  section {
    margin: 16px 0;
  }
  
  /* Boutons tactiles */
  .btn, .nav__link, button {
    min-height: 44px; /* Taille minimale recommandée pour le tactile */
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  /* Inputs tactiles */
  input, select, textarea {
    min-height: 44px;
  }
  
  /* Améliorer les liens */
  a {
    text-decoration: underline;
  }
  
  /* Masquer les éléments non essentiels sur mobile */
  .desktop-only {
    display: none;
  }
}

/* Mode paysage mobile */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    padding: 8px 0;
  }
  
  .hero img {
    width: 80px;
  }
  
  .hero-text h1 {
    font-size: 20px;
  }
  
  .map {
    height: 200px;
  }
}