/* ---- Base ---- */
html {
  scroll-behavior: smooth;
}
body {
  background-color: #1a1a1a;
  color: #e8e0d0;
  font-family: "DM Sans", sans-serif;
}

/* Noise texture overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

/* ---- Typographie ---- */
.font-serif {
  font-family: "Cormorant Garamond", serif;
}

/* ---- Ligne décorative or ---- */
.gold-line::after {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background: #c9a84c;
  margin: 1rem auto 0;
}
.gold-line-left::after {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background: #c9a84c;
  margin: 1rem 0 0;
}

/* ---- Navigation ---- */
#navbar {
  transition:
    background 0.4s ease,
    backdrop-filter 0.4s ease,
    box-shadow 0.4s ease,
    padding-top 0.3s ease,
    padding-bottom 0.3s ease;
}
#navbar.scrolled {
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(201, 168, 76, 0.15);
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}
.nav-link {
  position: relative;
  color: #e8e0d0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-bottom: 2px;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: #c9a84c;
  transition: width 0.3s ease;
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link:hover {
  color: #c9a84c;
}

/* ---- Hero parallax ---- */
#hero-bg {
  transform: translateY(0);
  will-change: transform;
}

/* ---- CTA Button ---- */
.btn-gold {
  border: 1px solid #c9a84c;
  color: #c9a84c;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem;
  padding: 0.9rem 2.4rem;
  transition:
    background 0.3s ease,
    color 0.3s ease;
  font-family: "DM Sans", sans-serif;
  font-weight: 500;
}
.btn-gold:hover {
  background: #c9a84c;
  color: #1a1a1a;
}

/* ---- Cards chambre ---- */
.room-card {
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
}
.room-card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 0 0 1px rgba(201, 168, 76, 0.5),
    0 20px 40px rgba(0, 0, 0, 0.6);
}
.room-card img {
  transition: transform 0.5s ease;
}
.room-card:hover img {
  transform: scale(1.04);
}

/* ---- Service alternating ---- */
.service-block {
  border-top: 1px solid rgba(201, 168, 76, 0.15);
}

/* ---- Formulaire ---- */
.form-input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(201, 168, 76, 0.25);
  color: #e8e0d0;
  padding: 0.85rem 1rem;
  width: 100%;
  outline: none;
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease;
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
}
.form-input:focus {
  border-color: #c9a84c;
  box-shadow: 0 0 0 2px rgba(201, 168, 76, 0.15);
}
.form-input::placeholder {
  color: rgba(232, 224, 208, 0.4);
}
.form-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(201, 168, 76, 0.8);
  margin-bottom: 0.4rem;
}
.btn-submit {
  background: #c9a84c;
  color: #1a1a1a;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 500;
  padding: 1rem 2.5rem;
  border: none;
  cursor: pointer;
  transition:
    background 0.3s ease,
    transform 0.2s ease;
  font-family: "DM Sans", sans-serif;
}
.btn-submit:hover {
  background: #e2c47a;
  transform: translateY(-1px);
}
.btn-submit:active {
  transform: translateY(0);
}

/* ---- Border radius global images ---- */
img {
  border-radius: 0.5rem;
}
nav img,
footer img {
  border-radius: 0;
}

/* ---- Scroll animations ---- */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}
[data-animate][data-delay="1"] {
  transition-delay: 0.1s;
}
[data-animate][data-delay="2"] {
  transition-delay: 0.2s;
}
[data-animate][data-delay="3"] {
  transition-delay: 0.3s;
}
[data-animate][data-delay="4"] {
  transition-delay: 0.4s;
}
[data-animate][data-delay="5"] {
  transition-delay: 0.5s;
}

/* ---- Mobile menu ---- */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  transition:
    max-height 0.4s ease,
    visibility 0s 0.4s;
}
#mobile-menu.open {
  max-height: 300px;
  visibility: visible;
  transition:
    max-height 0.4s ease,
    visibility 0s 0s;
}

/* ---- Form feedback ---- */
.field-error {
  border-color: #e57373 !important;
}
.error-msg {
  color: #e57373;
  font-size: 0.72rem;
  margin-top: 0.25rem;
  display: none;
}
.error-msg.show {
  display: block;
}
.success-banner {
  display: none;
  background: rgba(201, 168, 76, 0.12);
  border: 1px solid rgba(201, 168, 76, 0.4);
  color: #c9a84c;
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}
.success-banner.show {
  display: block;
}
.form-error-banner {
  display: none;
  background: rgba(220, 53, 69, 0.1);
  border: 1px solid rgba(220, 53, 69, 0.4);
  color: #dc3545;
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}
.form-error-banner.show {
  display: block;
}