:root {

  --bleu-nuit: #0B2545;
  --bleu-marine: #14406E;
  --bleu-clair: #6E93B8;

  --orange-vif: #E8600C;
  --orange-doux: #F4A73D;

  --creme: #FBF6EF;
  --blanc: #FFFFFF;
  --texte: #1C2530;
  --texte-doux: #566072;
  --bordure: #E4E1DB;

  --succes: #2E7D32;
  --danger: #C0392B;

  --police-titre: "Fraunces", "Georgia", serif;
  --police-texte: "Work Sans", "Segoe UI", sans-serif;

  --rayon: 6px;
  --ombre: 0 12px 30px -10px rgba(11, 37, 69, 0.25);
  --largeur-max: 1180px;

  --texte-titre: var(--bleu-nuit);

  --blanc-fixe: #FFFFFF;
}

html.mode-sombre {
  --creme: #14181D;
  --blanc: #1E242B;
  --texte: #FFFFFF;
  --texte-doux: #D9DEE4;
  --bordure: #333B44;
  --ombre: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
  --texte-titre: #FFFFFF;
}
html.mode-sombre img { opacity: 0.92; }

.selecteur-langue {
  font-size: 0.82rem;
  color: var(--texte-titre);
  background: var(--blanc);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 4px;
  padding: 5px 8px;
  cursor: pointer;
}

.bouton-mode-sombre {
  background: none;
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--blanc-fixe);
}
.bouton-mode-sombre:hover { border-color: var(--orange-doux); }

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--police-texte);
  color: var(--texte);
  background: var(--creme);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--police-titre);
  color: var(--texte-titre);
  line-height: 1.15;
  font-weight: 600;
}

:focus-visible {
  outline: 3px solid var(--orange-doux);
  outline-offset: 2px;
}

.conteneur {
  width: 100%;
  max-width: var(--largeur-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-vif);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--rayon);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn:disabled,
.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-orange {
  background: var(--orange-vif);
  color: var(--blanc-fixe);
  box-shadow: 0 8px 20px -6px rgba(232, 96, 12, 0.55);
}
.btn-orange:hover { background: #cf5309; }

.btn-outline {
  background: transparent;
  border-color: var(--blanc-fixe);
  color: var(--blanc-fixe);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); }

.btn-bleu {
  background: var(--bleu-nuit);
  color: var(--blanc-fixe);
}
.btn-bleu:hover { background: var(--bleu-marine); }

.entete {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bleu-nuit);
  border-bottom: 3px solid var(--orange-vif);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
}

.logo {
  font-family: var(--police-titre);
  font-size: 1.5rem;
  color: var(--blanc-fixe);
  letter-spacing: 0.02em;
}
.logo span { color: var(--orange-doux); }

.nav-liens {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-liens a {
  color: var(--blanc-fixe);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}
.nav-liens a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--orange-vif);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.nav-liens a:hover::after,
.nav-liens a.actif::after { transform: scaleX(1); }
.nav-liens a.actif { color: var(--orange-doux); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--blanc-fixe);
  font-size: 1.6rem;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(11,37,69,0.88) 10%, rgba(11,37,69,0.45) 60%, rgba(232,96,12,0.35) 100%),
    url("../img/hero-hotel.jpg") center/cover no-repeat;
}

.hero-contenu {
  max-width: 620px;
  color: var(--blanc-fixe);
  padding-block: 60px;
}

.hero h1 {
  color: var(--blanc-fixe);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-block: 14px 18px;
}

.hero p {
  color: #E7EEF6;
  font-size: 1.08rem;
  max-width: 480px;
  margin-bottom: 28px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.section { padding-block: 72px; }
.section-alt { background: var(--blanc); }

.section-entete {
  max-width: 620px;
  margin-bottom: 40px;
}
.section-entete h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-top: 8px; }
.section-entete p { color: var(--texte-doux); margin-top: 10px; }

.section-deux-colonnes {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.grille-chambres {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
}

.carte-chambre {
  background: var(--blanc);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  overflow: hidden;
  box-shadow: var(--ombre);
  transition: transform 0.2s ease;
}
.carte-chambre:hover { transform: translateY(-4px); }

.carte-chambre-image {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--bleu-clair), var(--bleu-marine));
  overflow: hidden;
}
.carte-chambre-image img { width: 100%; height: 100%; object-fit: cover; }

.statut-ruban {
  position: absolute;
  top: 14px;
  right: -32px;
  transform: rotate(38deg);
  padding: 4px 40px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--blanc-fixe);
}
.statut-ruban.disponible { background: var(--orange-vif); }
.statut-ruban.occupee { background: var(--texte-doux); }

.carte-chambre-corps { padding: 20px; }
.carte-chambre-corps h3 { font-size: 1.15rem; margin-bottom: 4px; }
.carte-chambre-type { color: var(--texte-doux); font-size: 0.88rem; margin-bottom: 12px; }

.carte-chambre-prix {
  font-family: var(--police-titre);
  color: var(--orange-vif);
  font-size: 1.3rem;
  font-weight: 700;
}
.carte-chambre-prix small { font-family: var(--police-texte); font-size: 0.75rem; color: var(--texte-doux); font-weight: 400; }

.formulaire { max-width: 560px; }

.champ { margin-bottom: 18px; }
.champ label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--texte-titre);
}
.champ input,
.champ select,
.champ textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--bordure);
  border-radius: var(--rayon);
  font-family: var(--police-texte);
  font-size: 0.95rem;
  background: var(--blanc);
  transition: border-color 0.15s ease;
}
.champ input:focus,
.champ select:focus,
.champ textarea:focus {
  border-color: var(--orange-vif);
  outline: none;
}
.champ textarea { resize: vertical; min-height: 120px; }

.champ.erreur input,
.champ.erreur select,
.champ.erreur textarea { border-color: var(--danger); }
.message-erreur { color: var(--danger); font-size: 0.82rem; margin-top: 5px; }
.message-succes {
  background: #EAF6EC;
  color: var(--succes);
  padding: 14px 18px;
  border-radius: var(--rayon);
  margin-bottom: 20px;
  font-size: 0.92rem;
  border-left: 4px solid var(--succes);
}
.message-alerte {
  background: #FDECEA;
  color: var(--danger);
  padding: 14px 18px;
  border-radius: var(--rayon);
  margin-bottom: 20px;
  font-size: 0.92rem;
  border-left: 4px solid var(--danger);
}

.pied {
  background: var(--bleu-nuit);
  color: #C7D3E0;
  padding-top: 56px;
}
.pied-grille {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.pied h4 { color: var(--blanc-fixe); font-size: 1rem; margin-bottom: 14px; }
.pied a, .pied p { color: #C7D3E0; font-size: 0.9rem; }
.pied ul li { margin-bottom: 8px; }
.pied a:hover { color: var(--orange-doux); }

.pied-realisateurs {
  text-align: center;
  padding-block: 18px;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: #8FA2BA;
}
.pied-realisateurs strong { color: var(--orange-doux); }

.grille-galerie {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.vignette-galerie {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--rayon);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.vignette-galerie img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.vignette-galerie.vignette-0 { background: linear-gradient(135deg, var(--bleu-nuit), var(--bleu-marine)); }
.vignette-galerie.vignette-1 { background: linear-gradient(135deg, var(--orange-vif), var(--orange-doux)); }
.vignette-galerie.vignette-2 { background: linear-gradient(135deg, var(--bleu-marine), var(--orange-vif)); }
.vignette-galerie figcaption {
  position: relative;
  z-index: 1;
  color: var(--blanc-fixe);
  font-family: var(--police-titre);
  font-size: 1rem;
  padding: 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.45), transparent);
  width: 100%;
}

.lightbox-apercu {
  position: fixed;
  inset: 0;
  background: rgba(11, 37, 69, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
  z-index: 1000;
  padding: 24px;
}
.lightbox-apercu.ouverte { opacity: 1; visibility: visible; }
.lightbox-apercu img {
  max-width: min(90vw, 900px);
  max-height: 85vh;
  border-radius: var(--rayon);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: scale(0.96);
  transition: transform 0.2s ease;
}
.lightbox-apercu.ouverte img { transform: scale(1); }
.lightbox-fermer {
  position: absolute;
  top: 24px;
  right: 28px;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1.8rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  cursor: pointer;
  line-height: 1;
}
.lightbox-fermer:hover { background: rgba(255,255,255,0.3); }

.carte-chambre-image img,
.vignette-galerie img {
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1), filter 0.35s ease;
}
.carte-chambre-image:hover img,
.vignette-galerie:hover img {
  transform: scale(1.06);
  filter: brightness(1.05);
}
@media (max-width: 860px) {
  .pied-grille { grid-template-columns: 1fr 1fr; }
  .section-deux-colonnes { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-liens {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bleu-nuit);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 3px solid var(--orange-vif);
    display: none;
  }
  .nav-liens.ouvert { display: flex; }
  .nav-toggle { display: block; }

  .hero { min-height: auto; padding-block: 60px 40px; }
  .hero-contenu { padding-block: 0; }

  .pied-grille { grid-template-columns: 1fr; text-align: left; }
}

@media (max-width: 480px) {
  .conteneur { padding-inline: 16px; }
  .btn { width: 100%; justify-content: center; }
  .hero-actions { flex-direction: column; }
}