/* ==========================================================================
   HÔTEL L'ÉCRIN & SPA - FEUILLE DE STYLE PRINCIPALE
   Design haut de gamme, moderne, accessible et optimisé pour tous supports
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Palette de couleurs */
  --color-primary: #121921;       /* Bleu ardoise très sombre */
  --color-primary-light: #1f2a37; /* Ardoise moyen */
  --color-accent: #c8a265;        /* Or champagne */
  --color-accent-hover: #b38b4f;  /* Or ambré */
  --color-accent-light: #f5eedf;  /* Voile doré très clair */
  --color-bg: #fbfaf8;            /* Fond écru chaud */
  --color-surface: #ffffff;       /* Blanc pur cartes */
  --color-text: #2c353d;          /* Gris foncé texte */
  --color-text-muted: #6e7882;    /* Gris doux secondaire */
  --color-border: #e6e3dd;        /* Bordure subtile */
  --color-success: #2e7d32;
  --color-danger: #c62828;

  /* Typographie */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Espacements & Rayons */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Ombres soignées */
  --shadow-sm: 0 2px 8px rgba(18, 25, 33, 0.04);
  --shadow-md: 0 8px 24px rgba(18, 25, 33, 0.08);
  --shadow-lg: 0 16px 40px rgba(18, 25, 33, 0.12);
  --shadow-gold: 0 8px 25px rgba(200, 162, 101, 0.28);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Dimensions */
  --header-height: 84px;
  --max-width: 1280px;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Accessibilité Clavier */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-primary);
  color: var(--color-surface);
  padding: 10px 18px;
  z-index: 99999;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 20px;
}

/* --------------------------------------------------------------------------
   Conteneurs & Typographie globale
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4.25rem 0;
  position: relative;
}

.section-title-wrap {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2.5rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 0.85rem;
  position: relative;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Boutons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1.5px solid var(--color-accent);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn-white {
  background-color: #ffffff;
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  background-color: var(--color-accent-light);
  color: var(--color-accent-hover);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal), height var(--transition-normal);
  background-color: rgba(251, 250, 248, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(230, 227, 221, 0.6);
}

.header.scrolled {
  height: 72px;
  background-color: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--color-primary);
}

.brand-sub {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-accent);
  font-weight: 600;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  font-weight: 700;
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.burger-btn {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
  background: rgba(18, 25, 33, 0.04);
}

.burger-line {
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.burger-btn.active .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn.active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn.active .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(85vw, 360px);
  height: 100vh;
  background: var(--color-surface);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 5rem 2rem 2rem;
  transition: right var(--transition-normal);
}

.mobile-nav.open {
  right: 0;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 25, 33, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav .nav-link {
  font-size: 1.25rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
  display: block;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 1.5rem) 0 3.5rem;
  background: linear-gradient(135deg, rgba(18, 25, 33, 0.72) 0%, rgba(18, 25, 33, 0.45) 100%),
              url('https://images.unsplash.com/photo-1542314831-068cd1dbfeeb?auto=format&fit=crop&w=2000&q=80') center/cover no-repeat;
  color: #ffffff;
}

.hero-content {
  max-width: 780px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  color: var(--color-accent-light);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.25rem;
  max-width: 620px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* --------------------------------------------------------------------------
   Booking Bar (Barre de réservation rapide)
   -------------------------------------------------------------------------- */
.booking-bar-wrapper {
  margin-top: -2.5rem;
  position: relative;
  z-index: 10;
  margin-bottom: 2rem;
}

.booking-bar {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) auto;
  gap: 1.25rem;
  align-items: end;
}

.booking-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.booking-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
}

.booking-input,
.booking-select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-primary);
  font-weight: 500;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.booking-input:focus,
.booking-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 162, 101, 0.2);
  outline: none;
}

/* --------------------------------------------------------------------------
   Cartes & Grilles
   -------------------------------------------------------------------------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* Carte Chambre */
.room-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.room-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.room-card-img-wrap {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.room-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.room-card:hover .room-card-img {
  transform: scale(1.06);
}

.room-card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(18, 25, 33, 0.85);
  color: var(--color-accent-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  backdrop-filter: blur(6px);
}

.room-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.room-card-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.room-card-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.room-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.feature-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--color-text);
  font-weight: 500;
  border: 1px solid var(--color-border);
}

.feature-pill img,
.feature-pill svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
}

.room-card-footer {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.room-price-val {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
}

.room-price-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Feature & Service Card */
.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.service-icon-box {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.service-icon-box svg {
  width: 32px;
  height: 32px;
}

.service-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Bannière Promotionnelle & Citation
   -------------------------------------------------------------------------- */
.quote-banner {
  background: var(--color-primary);
  color: #ffffff;
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.quote-banner::before {
  content: '"';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-size: 16rem;
  color: rgba(200, 162, 101, 0.08);
  pointer-events: none;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-style: italic;
  max-width: 820px;
  margin: 0 auto 1.5rem;
  line-height: 1.5;
}

.quote-author {
  color: var(--color-accent);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Modal de Réservation Globale
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 25, 33, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-text);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-border);
  transform: rotate(90deg);
}

/* --------------------------------------------------------------------------
   Pied de page (Footer)
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding: 5rem 0 2rem;
  margin-top: auto;
  border-top: 3px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand .brand-name {
  color: #ffffff;
}

.footer-desc {
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  max-width: 320px;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-input {
  flex-grow: 1;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 0.85rem;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.social-link:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Animations Utilitaires GSAP & États Visuels
   -------------------------------------------------------------------------- */
.gsap-reveal,
.gsap-fade {
  opacity: 1;
  transform: none;
}