/* ==========================================================================
   ÉLYSÉE HÔTEL & SPA — STRUCTURE & MISES EN PAGE (LAYOUT)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. HEADER & NAVIGATION BAR
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: var(--z-sticky);
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
}

.header--scrolled {
  height: var(--header-height-scrolled);
  background: rgba(17, 19, 23, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(197, 168, 128, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo & Identité */
.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand__monogram {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-gold-primary);
  background: rgba(197, 168, 128, 0.1);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.brand:hover .brand__monogram {
  transform: rotate(15deg);
  background-color: rgba(197, 168, 128, 0.2);
}

.brand__text {
  display: flex;
  flex-direction: column;
}

.brand__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: #FFFFFF;
  line-height: 1;
  text-transform: uppercase;
}

.brand__subtitle {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color-gold-primary);
  text-transform: uppercase;
  margin-top: 3px;
}

/* Navigation Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-gold-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-gold-light);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Actions Header */
.header__actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Burger Mobile Button */
.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  cursor: pointer;
  z-index: calc(var(--z-sticky) + 10);
}

.burger-line {
  width: 100%;
  height: 2px;
  background-color: #FFFFFF;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
  transform-origin: center;
}

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

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

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

/* Menu Mobile Plein Écran Drawer */
.mobile-menu {
  position: fixed;
  inset: 0;
  background-color: rgba(17, 19, 23, 0.98);
  backdrop-filter: blur(20px);
  z-index: calc(var(--z-sticky) + 5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-menu.is-active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-gold-primary);
  transform: translateX(10px);
}

/* --------------------------------------------------------------------------
   2. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  text-align: center;
  padding: 8rem 1.5rem 5rem 1.5rem;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: hero-ken-burns 25s ease-out infinite alternate;
}

@keyframes hero-ken-burns {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.15); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    rgba(17, 19, 23, 0.45) 0%,
    rgba(17, 19, 23, 0.75) 100%
  );
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 960px;
  margin: 0 auto;
}

.hero__badge {
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.1;
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.9);
  max-width: 680px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.7;
  font-weight: 300;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--color-gold-primary), transparent);
  animation: scroll-down 2s infinite;
}

@keyframes scroll-down {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --------------------------------------------------------------------------
   3. SECTION PRÉSENTATION & HISTOIRE
   -------------------------------------------------------------------------- */
.presentation {
  padding: var(--space-3xl) 0 var(--space-2xl) 0;
  background-color: var(--color-bg-primary);
  position: relative;
}

.presentation__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4.5rem;
  align-items: center;
  margin-bottom: var(--space-3xl);
}

.presentation__text-block {
  padding-right: 1.5rem;
}

.presentation__lead {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  line-height: 1.5;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.presentation__body {
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.presentation__visual {
  position: relative;
}

.presentation__img-main {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.presentation__floating-card {
  position: absolute;
  bottom: -2rem;
  left: -2.5rem;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-lg);
  max-width: 260px;
}

.presentation__floating-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-gold-primary);
  margin-bottom: 0.25rem;
}

.presentation__floating-card-desc {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   4. SECTION CHAMBRES & SUITES
   -------------------------------------------------------------------------- */
.rooms-section {
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-subtle);
}

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

/* --------------------------------------------------------------------------
   5. SECTION EXPÉRIENCE & ART DE VIVRE
   -------------------------------------------------------------------------- */
.experience-section {
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-primary);
}

/* --------------------------------------------------------------------------
   6. SECTION IMMERSIVE (STORYTELLING)
   -------------------------------------------------------------------------- */
.immersive-section {
  position: relative;
  padding: var(--space-3xl) 1.5rem;
  color: #FFFFFF;
  text-align: center;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.immersive-section__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.immersive-section__overlay {
  position: absolute;
  inset: 0;
  background: rgba(17, 19, 23, 0.75);
  z-index: 2;
}

.immersive-section__content {
  position: relative;
  z-index: 3;
  max-width: 820px;
  margin: 0 auto;
}

.immersive-quote {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 300;
  line-height: 1.4;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.immersive-author {
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   7. SECTION GALERIE & FILTRES
   -------------------------------------------------------------------------- */
.gallery-section {
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-surface);
}

.gallery-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.gallery-filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.gallery-filter-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--border-subtle);
}

.gallery-filter-btn.is-active {
  color: var(--color-gold-primary);
  background-color: rgba(197, 168, 128, 0.12);
  border-color: var(--color-gold-border);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-xs);
  overflow: hidden;
  cursor: pointer;
  background-color: #22262D;
}

.gallery-item--wide {
  grid-column: span 2;
}

.gallery-item--tall {
  grid-row: span 2;
  aspect-ratio: auto;
}

.gallery-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-luxury);
}

.gallery-item:hover .gallery-item__img {
  transform: scale(1.08);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(17, 19, 23, 0.55);
  opacity: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #FFFFFF;
  transition: opacity var(--transition-normal);
  padding: 1rem;
  text-align: center;
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 500;
}

.gallery-item__category {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gold-light);
}

/* --------------------------------------------------------------------------
   8. SECTION AVIS CLIENTS
   -------------------------------------------------------------------------- */
.reviews-section {
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-subtle);
}

/* --------------------------------------------------------------------------
   9. SECTION RÉSERVATION DÉDIÉE
   -------------------------------------------------------------------------- */
.booking-section {
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-primary);
}

.booking-banner {
  background: linear-gradient(135deg, #111317 0%, #1A1E24 100%);
  border-radius: var(--radius-sm);
  padding: 3.5rem clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--border-gold);
  color: #FFFFFF;
  box-shadow: var(--shadow-lg);
}

.booking-banner__header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 2.5rem auto;
}

.booking-banner__title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  color: #FFFFFF;
  margin-bottom: 0.75rem;
}

.booking-banner__desc {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-sm);
}

.booking-banner .booking-bar {
  background-color: #FFFFFF;
  color: #111317;
}

.booking-perks {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.75);
}

.booking-perk-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.booking-perk-item svg {
  color: var(--color-gold-primary);
}

/* --------------------------------------------------------------------------
   10. SECTION CONTACT & CONCIERGERIE
   -------------------------------------------------------------------------- */
.contact-section {
  padding: var(--space-3xl) 0;
  background-color: var(--color-bg-subtle);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(197, 168, 128, 0.12);
  color: var(--color-gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--color-text-primary);
}

.contact-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

.contact-map-mockup {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  height: 240px;
  border: 1px solid var(--border-subtle);
  background: #111317;
}

.contact-map-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.65;
  filter: saturate(0.4);
}

.contact-map-pin {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.contact-map-pulse {
  width: 22px;
  height: 22px;
  background-color: var(--color-gold-primary);
  border: 3px solid #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 0 15px var(--color-gold-primary);
}

.contact-map-label {
  background: rgba(17, 19, 23, 0.9);
  color: #FFFFFF;
  font-size: 0.72rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-gold);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   11. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-bg-dark);
  color: #FFFFFF;
  padding: 5rem 0 2rem 0;
  border-top: 1px solid rgba(197, 168, 128, 0.2);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand__desc {
  font-size: var(--text-sm);
  color: var(--color-text-inverse-muted);
  line-height: 1.75;
  margin-top: 1.25rem;
  max-width: 340px;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-gold-primary);
  margin-bottom: 1.5rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-nav-link {
  font-size: var(--text-sm);
  color: var(--color-text-inverse-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-nav-link:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}

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

.footer-newsletter-input-group {
  display: flex;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xs);
  overflow: hidden;
}

.footer-newsletter-input {
  flex-grow: 1;
  padding: 0.85rem 1rem;
  color: #FFFFFF;
  font-size: var(--text-sm);
}

.footer-newsletter-btn {
  background-color: var(--color-gold-primary);
  color: #111317;
  padding: 0 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background-color var(--transition-fast);
}

.footer-newsletter-btn:hover {
  background-color: var(--color-gold-hover);
}

.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-inverse-muted);
  transition: all var(--transition-fast);
}

.footer-social-btn:hover {
  border-color: var(--color-gold-primary);
  color: var(--color-gold-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: var(--text-xs);
  color: var(--color-text-inverse-muted);
}

.footer-agency-tag {
  color: var(--color-gold-light);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   12. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .experience-card--large { grid-column: span 12; }
  .experience-card--medium { grid-column: span 12; }
  .experience-card--third { grid-column: span 6; }
  .footer-top { grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 2rem; }
}

@media (max-width: 992px) {
  .nav-desktop { display: none; }
  .burger-btn { display: flex; }
  .header__actions .btn { display: none; }

  .presentation__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .presentation__floating-card {
    position: static;
    margin-top: 1.5rem;
    max-width: 100%;
  }

  .booking-form {
    grid-template-columns: repeat(2, 1fr);
  }
  .booking-field:nth-child(2) {
    border-right: none;
    padding-right: 0;
  }
  .booking-form .btn {
    grid-column: span 2;
  }

  .rooms-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-item--wide {
    grid-column: span 2;
  }
  .gallery-item--tall {
    grid-row: span 1;
  }

  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1rem;
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }

  .experience-card--third {
    grid-column: span 12;
  }

  .booking-form {
    grid-template-columns: 1fr;
  }
  .booking-field:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding-right: 0;
    padding-bottom: 1rem;
  }
  .booking-form .btn {
    grid-column: span 1;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .lightbox__nav-btn {
    display: none;
  }

  /* Formulaires et touch sur mobile */
  input, select, textarea {
    font-size: 16px !important;
  }
}

@media (max-width: 480px) {
  :root {
    --text-hero: clamp(2rem, 1.8rem + 2vw, 2.75rem);
  }

  .hero__title {
    font-size: var(--text-hero);
    line-height: 1.15;
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .booking-widget {
    padding: 1.25rem 1rem;
  }

  .room-card__footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .room-card__footer .btn {
    width: 100%;
    justify-content: center;
  }

  .modal__dialog {
    padding: 1.5rem 1.25rem;
    margin: 1rem;
    width: calc(100% - 2rem);
  }
}