/* ============================================================
   LAYOUT — Header, Bandeau, Footer, Grille
   ============================================================ */

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex; align-items: center; gap: var(--space-4);
  height: 100%;
}
.site-logo img { height: 36px; width: auto; }
.main-nav ul { display: flex; gap: var(--space-4); }
.main-nav a {
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm); font-weight: 500;
  transition: color .2s;
}
.main-nav a:hover,
.main-nav a.active { color: #fff; text-decoration: none; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: var(--space-2); }

/* Bouton ghost header */
.btn-ghost {
  color: rgba(255,255,255,0.85); font-size: var(--text-sm);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm); padding: 4px 12px;
  transition: background .2s;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); text-decoration: none; color: #fff; }

/* Hamburger mobile */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; }

/* Menu mobile */
.mobile-menu {
  background: var(--color-primary-hover);
  padding: var(--space-3);
}
.mobile-menu ul { display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-menu a { color: #fff; font-size: var(--text-base); padding: var(--space-2) 0; display: block; }

/* Bandeau */
.bandeau {
  height: var(--bandeau-h);
  background: var(--color-bandeau-bg);
  overflow: hidden;
  display: flex; align-items: center;
  position: relative;
}
.bandeau-track {
  display: flex; align-items: center; gap: 0;
  white-space: nowrap;
  animation: scroll-ltr 50s linear infinite;
}
.bandeau-track.rtl { animation-name: scroll-rtl; }
.bandeau:hover .bandeau-track { animation-play-state: paused; }
.bandeau-item { display: inline-flex; align-items: center; gap: var(--space-2); padding: 0 var(--space-3); }
.bandeau-city  { font-size: var(--text-sm); color: #fff; font-weight: 500; }
.bandeau-price { font-size: var(--text-sm); color: var(--color-accent); font-weight: 600; }
.bandeau-date.fresh { font-size: var(--text-xs); color: var(--color-accent); opacity: .8; }
.bandeau-date.stale { font-size: var(--text-xs); color: var(--color-text-3); }
.bandeau-sep   { color: #444; margin: 0 var(--space-2); font-size: var(--text-sm); }
.bandeau-empty { font-size: var(--text-sm); color: var(--color-text-3); padding: 0 var(--space-4); }

@keyframes scroll-ltr {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes scroll-rtl {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* Contenu principal */
.site-main { min-height: calc(100vh - var(--header-h) - var(--bandeau-h) - 120px); }
.page-content { padding: var(--space-5) 0; }

/* Layout 2 colonnes */
.layout-2col {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-5);
  align-items: start;
}
.layout-sidebar { display: flex; flex-direction: column; gap: var(--space-4); }

/* Footer */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-4) 0;
  margin-top: var(--space-6);
}
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-3); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.footer-links a { font-size: var(--text-sm); color: var(--color-text-3); }
.footer-links a:hover { color: var(--color-primary); }
.footer-copy { font-size: var(--text-xs); color: var(--color-text-3); }

/* Responsive */
@media (max-width: 767px) {
  :root { --header-h: 56px; }
  .main-nav, .header-actions .btn-ghost { display: none; }
  .hamburger { display: flex; }
  .layout-2col { grid-template-columns: 1fr; }
  .layout-sidebar { order: 2; }
}