/* ===== VARIABLES ===== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --bg: #f8fafc;
  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --radius: 10px;
  --radius-sm: 6px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--gray-800);
  line-height: 1.6;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ===== NAVBAR ===== */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.navbar-brand {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.navbar-nav { display: flex; align-items: center; gap: 0.5rem; }
.nav-link {
  color: var(--gray-600);
  font-size: 0.95rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-link:hover { background: var(--gray-100); color: var(--primary); }
.nav-link.active { color: var(--primary); font-weight: 500; }

/* Bouton hamburger — caché sur desktop */
.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-600);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-btn.open span:nth-child(2) { opacity: 0; }
.hamburger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== BOUTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: white; }
.btn-secondary:hover { background: #059669; }
.btn-outline { background: transparent; border: 1px solid var(--gray-200); color: var(--gray-600); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 6px 14px; font-size: 0.85rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  border: 1px solid var(--gray-200);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

/* ===== FORMULAIRES ===== */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--gray-600); margin-bottom: 6px; }
.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color 0.2s;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-danger { background: #fee2e2; color: #991b1b; }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
  color: white;
  padding: 5rem 2rem;
  text-align: center;
}
.hero h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 1rem; }
.hero p { font-size: 1.15rem; opacity: 0.9; margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-white { background: white; color: var(--primary); }
.btn-white:hover { background: var(--gray-100); }
.btn-ghost { background: rgba(255,255,255,0.15); color: white; border: 1px solid rgba(255,255,255,0.3); }
.btn-ghost:hover { background: rgba(255,255,255,0.25); }

/* ===== SEARCH BAR ===== */
.search-bar {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
}
.search-bar .form-group { flex: 1; min-width: 140px; margin: 0; }
.search-bar .btn { flex-shrink: 0; }

/* ===== CONTAINER ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 3rem 0; }
.section-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.5rem; color: var(--gray-800); }

/* ===== ALERTES ===== */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.9rem; margin-bottom: 1rem; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }

/* ===== RATING ===== */
.stars { color: var(--warning); font-size: 0.9rem; }

/* ===== MODAL ===== */
#form-overlay, #booking-overlay { padding: 1rem; }
#form-overlay .card, #booking-overlay .card {
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  margin: auto;
}

/* ===== CHAT ===== */
.chat-container { max-width: 700px; margin: 1rem auto; padding: 0 1rem; }
.chat-box {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  height: 450px;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

/* ===== RESPONSIVE TABLETTE (max 900px) ===== */
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .hero h1 { font-size: 2.2rem; }
}

/* ===== RESPONSIVE MOBILE (max 768px) ===== */
@media (max-width: 768px) {

  /* --- Navbar hamburger --- */
  .navbar {
    padding: 0 1.25rem;
    height: 56px;
  }
  .navbar-brand { font-size: 1.2rem; }

  .hamburger-btn { display: flex; }

  .navbar-nav {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.45);
    z-index: 99;
    flex-direction: row;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 0;
  }
  .navbar-nav.open { display: flex; }

  /* Tiroir blanc à gauche */
  .nav-drawer {
    background: var(--white);
    width: 78%;
    max-width: 280px;
    height: 100%;
    padding: 0.5rem 0 2rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }

  .nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 1.5rem;
    font-size: 1rem;
    border-radius: 0;
    width: 100%;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    white-space: normal;
  }
  .nav-link:hover { background: var(--gray-100); color: var(--primary); }
  .nav-link.active {
    background: #eff6ff;
    color: var(--primary);
    font-weight: 600;
    border-left: 3px solid var(--primary);
    padding-left: calc(1.5rem - 3px);
  }

  #nav-auth { padding: 1rem 1.5rem; margin-top: auto; }

  /* --- Hero --- */
  .hero { padding: 3rem 1.25rem; }
  .hero h1 { font-size: 1.7rem; }
  .hero p { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* --- Container + espace latéral --- */
  .container { padding: 0 1.25rem; }
  .section { padding: 2rem 1.25rem; }
  .container.section { padding: 2rem 1.25rem; }
  .section-title { font-size: 1.3rem; }

  /* --- Search bar --- */
  .search-bar {
    flex-direction: column;
    padding: 1rem;
    gap: 0.75rem;
  }
  .search-bar .form-group { width: 100%; min-width: unset; }
  .search-bar .btn { width: 100%; justify-content: center; }

  /* --- Cards --- */
  .card-grid { grid-template-columns: 1fr; gap: 1rem; }
  .card { padding: 1rem; }

  /* --- Formulaires --- */
  .form-row { grid-template-columns: 1fr; gap: 0; }

  /* --- Boutons --- */
  .btn-lg { padding: 12px 20px; font-size: 0.95rem; }

  /* --- Chat --- */
  .chat-container { margin: 0.5rem auto; padding: 0 1.25rem; }
  .chat-box { height: calc(100vh - 280px); min-height: 250px; }

  /* --- Modals --- */
  #form-overlay .card, #booking-overlay .card {
    margin: 0.5rem;
    max-height: 95vh;
    padding: 1rem;
  }

  /* --- Pricing --- */
  .pricing-container { margin: 1.5rem auto; padding: 0 1.25rem; }
  .pricing-card { padding: 1.5rem 1rem; }
  .price { font-size: 2.2rem; }

  /* --- Subscription success --- */
  .success-container { margin: 2rem auto; padding: 0 1.25rem; }
}

/* ===== RESPONSIVE PETIT MOBILE (max 480px) ===== */
@media (max-width: 480px) {
  .hero h1 { font-size: 1.4rem; }
  .navbar-brand { font-size: 1rem; }
  .btn { padding: 9px 14px; font-size: 0.85rem; }
  .btn-sm { padding: 5px 10px; font-size: 0.8rem; }
  .card { padding: 0.875rem; }
  .chat-box { height: calc(100vh - 300px); min-height: 200px; }
}