/* Base & Smooth Scrolling */
  html {
    scroll-behavior: smooth;
  }

  body {
    overflow-x: hidden;
  }

  /* Selection Color */
  ::selection {
    background-color: #99f6e4;
    color: #0f766e;
  }

  /* Scroll Reveal Animations */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
  }

  /* Staggered reveal delays */
  .reveal:nth-child(2) { transition-delay: 0.1s; }
  .reveal:nth-child(3) { transition-delay: 0.2s; }
  .reveal:nth-child(4) { transition-delay: 0.3s; }

  /* Mobile menu transitions */
  #mobile-menu {
    animation: slideDown 0.3s ease;
  }

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

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

  ::-webkit-scrollbar-track {
    background: #f0fdfa;
  }

  ::-webkit-scrollbar-thumb {
    background: #99f6e4;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #5eead4;
  }

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }
    .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
    .reveal.hidden-reveal {
      opacity: 1;
      transform: none;
    }
    .group:hover img {
      transform: none;
    }
    a:hover {
      transform: none;
    }
  }