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

  body {
    overflow-x: hidden;
  }

  /* Scroll Reveal Animations */
  .reveal-down {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal-left {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal-grid {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal-down,
    .reveal-left,
    .reveal-right,
    .reveal-grid,
    .reveal-card {
      opacity: 1;
      transform: none;
      transition: none;
    }
  }

  /* Navbar scroll state */
  #navbar.scrolled {
    background: rgba(4, 12, 22, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 154, 30, 0.1), 0 4px 30px rgba(0, 0, 0, 0.3);
  }

  #navbar.scrolled .text-navy-200 {
    color: rgba(212, 223, 232, 0.8);
  }

  /* Mobile menu animation */
  #mobileMenu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Mobile link transitions */
  .mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(13, 31, 53, 0.5);
  }

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

  /* Selection color */
  ::selection {
    background: rgba(212, 154, 30, 0.3);
    color: #f0f4f8;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }

  ::-webkit-scrollbar-track {
    background: #040c16;
  }

  ::-webkit-scrollbar-thumb {
    background: #1e4066;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #2e5c8a;
  }

  /* Focus visible */
  :focus-visible {
    outline: 2px solid #d49a1e;
    outline-offset: 2px;
  }

  /* Button ripple effect */
  button, a {
    -webkit-tap-highlight-color: transparent;
  }