/* Reset & base */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; }
  img { max-width: 100%; height: auto; }
  a { text-decoration: none; }
  button { cursor: pointer; border: none; background: none; }
  input, textarea, select { font-family: inherit; font-size: inherit; }

  /* Navbar scroll state */
  #navbar.scrolled {
    background: rgba(6, 13, 24, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
  }

  /* Nav links */
  .nav-link {
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #34d399;
    transition: width 0.2s ease;
  }
  .nav-link:hover::after {
    width: 100%;
  }

  /* Mobile menu */
  #mobile-menu.show {
    display: block;
    animation: slideDown 0.2s 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 rgba(255,255,255,0.05);
  }
  .mobile-link:last-child {
    border-bottom: none;
  }

  /* Stat cards */
  .stat-card {
    animation: float 6s ease-in-out infinite;
  }
  .stat-card:nth-child(2) { animation-delay: -1.5s; }
  .stat-card:nth-child(3) { animation-delay: -3s; }
  .stat-card:nth-child(4) { animation-delay: -4.5s; }
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
  }

  /* Room cards */
  .room-card {
    transform: translateY(0);
  }
  .room-card:hover {
    transform: translateY(-4px);
  }

  /* Scroll reveal (progressive enhancement — only active when JS runs and motion is preferred) */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }
  /* Fallback: if JS is disabled or prefers-reduced-motion, content is still visible */
  @media not all and (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 1;
      transform: none;
    }
  }

  /* Form focus styles */
  input:focus, textarea:focus {
    outline: none;
  }

  /* Smooth scrollbar */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #0a1524; }
  ::-webkit-scrollbar-thumb { background: #32547e; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #507098; }
</style>