*, *::before, *::after { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  /* NAV */
  #nav {
    background: transparent;
  }

  #nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
  }

  .nav-link {
    position: relative;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4a853;
    transition: width 0.3s ease;
  }

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

  /* MOBILE MENU */
  #mobileMenu.open {
    opacity: 1;
    pointer-events: all;
  }

  #mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
  }

  .mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 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; }

  /* BUTTONS */
  .btn-gold {
    background: linear-gradient(135deg, #d4a853 0%, #eab853 100%);
    color: #0f172a;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .btn-gold:hover {
    background: linear-gradient(135deg, #b8903f 0%, #d4a853 100%);
    transform: translateY(-1px);
  }

  .btn-navy {
    background: #0f172a;
    color: #f0f3f9;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .btn-navy:hover {
    background: #1e3d78;
    transform: translateY(-1px);
  }

  /* HERO PATTERN */
  .hero-bg-pattern {
    background-image:
      radial-gradient(circle at 20% 80%, rgba(212, 168, 83, 0.3) 0%, transparent 50%),
      radial-gradient(circle at 80% 20%, rgba(212, 168, 83, 0.15) 0%, transparent 50%);
  }

  /* REVEAL ANIMATIONS */
  @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);
    }
  }

  /* SCROLLBAR */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #f0f3f9; }
  ::-webkit-scrollbar-thumb { background: #b3c2df; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #8da4cf; }

  /* SELECTION */
  ::selection { background: rgba(212, 168, 83, 0.25); color: #0f172a; }