/* ── Base & Typography ── */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: #d4a032;
  color: #0f1f3f;
}

/* ── Navigation ── */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #d4a032;
  transition: width 0.3s ease;
}

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

#site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(26, 39, 68, 0.08);
}

#site-header.scrolled .nav-link {
  color: #1a2744;
}

#site-header.scrolled .font-serif {
  color: #1a2744;
}

/* ── Floating Cards Animation ── */
.floating-card {
  animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
  animation-delay: 0s;
}

.floating-card:nth-child(2) {
  animation-delay: -2s;
}

.floating-card:nth-child(3) {
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

/* ── Room Cards ── */
.room-card {
  cursor: pointer;
}

.room-card img {
  will-change: transform;
}

/* ── Testimonial Cards ── */
.testimonial-card {
  transition: transform 0.3s ease, background 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ── Mobile Menu ── */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-link {
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid #e8edf5;
}

.mobile-link:last-child {
  border-bottom: none;
}

/* ── Back to Top Button ── */
#back-to-top {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

#back-to-top:hover {
  transform: translateY(-2px);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .font-serif {
    line-height: 1.15;
  }
}