*, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; overflow-x: hidden; }

  /* Header glass */
  .header-glass {
    background: rgba(6, 15, 12, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.08);
    transition: background 0.4s ease;
  }
  .header-glass.scrolled {
    background: rgba(6, 15, 12, 0.92);
    border-bottom-color: rgba(201, 168, 76, 0.15);
  }

  /* Nav link underline animation */
  .nav-link {
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a84c;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after { width: 100%; }

  /* Mobile nav links */
  .mobile-nav-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
  }
  #mobile-menu.open .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
  }
  #mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
  #mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
  #mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
  #mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
  #mobile-menu.open .mobile-nav-link:nth-child(5) { transition-delay: 0.3s; }

  /* Hero animations */
  [data-anim="hero"] {
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  [data-anim="hero"].is-visible {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
  }
  [data-anim="hero"]:nth-child(1) { transition-delay: 0.2s; }
  [data-anim="hero"]:nth-child(2) { transition-delay: 0.4s; }
  [data-anim="hero"]:nth-child(3) { transition-delay: 0.6s; }
  [data-anim="hero"]:nth-child(4) { transition-delay: 0.8s; }

  /* Scroll reveal */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Scroll line animation */
  .scroll-line {
    animation: scrollPulse 2s ease-in-out infinite;
  }
  @keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
  }

  /* Gold shimmer on hover for CTA buttons */
  .bg-gold-400:hover {
    box-shadow: 0 0 30px rgba(201, 168, 76, 0.3);
  }

  /* Image hover container */
  .overflow-hidden {
    transition: box-shadow 0.5s ease;
  }
  .overflow-hidden:hover {
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  }

  /* Custom selection */
  ::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f2f7f4;
  }

  /* Smooth focus */
  :focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
  }

  /* Mobile menu transitions */
  #mobile-menu {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }

  /* Menu button animation */
  #menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }
  #menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  #menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 5px;
  }

  /* Reduce motion */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
    [data-anim="hero"] { opacity: 1; transform: none; }
  }

  /* Responsive adjustments */
  @media (max-width: 767px) {
    .font-display { line-height: 1.1; }
  }