/* ── Base & Utilities ── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { overflow-x: hidden; }

  ::selection { background: rgba(15, 118, 110, 0.15); color: #0f766e; }

  /* ── Section Labels ── */
  .section-label {
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #0d9488;
    font-weight: 500;
  }

  /* ── Nav ── */
  #nav {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease;
  }
  #nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  }

  /* ── Hero Animations ── */
  .hero-tagline {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
  }
  .hero-title {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
  }
  .hero-subtitle {
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
  }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ── Scroll Reveal ── */
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  .reveal.visible {
    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; }

  /* ── Site Cards ── */
  .site-card {
    border: 1px solid rgba(0, 0, 0, 0.06);
  }

  /* ── Mobile Menu ── */
  .mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
  }
  #mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
  }
  #mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
  #mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
  #mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
  #mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
  #mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

  /* ── Menu Lines Animation ── */
  #menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
  }
  #menuBtn.active .menu-line:nth-child(2) {
    transform: rotate(-45deg) translate(3px, -3px);
  }

  /* ── Amenity Items ── */
  .amenity-item {
    transition: background-color 0.3s ease;
  }

  /* ── Focus Styles ── */
  input:focus, select:focus, textarea:focus {
    border-color: #0d9488 !important;
  }

  /* ── Smooth Image Loading ── */
  img {
    opacity: 0;
    transition: opacity 0.6s ease;
  }
  img.loaded {
    opacity: 1;
  }

  /* ── Responsive ── */
  @media (max-width: 767px) {
    .hero-title {
      font-size: 3rem !important;
    }
  }

  @media (min-width: 768px) and (max-width: 1023px) {
    .hero-title {
      font-size: 4rem !important;
    }
  }