/* Custom styles and overrides */
  html {
    scroll-behavior: smooth;
  }

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

  /* Selection color */
  ::selection {
    background-color: rgba(13, 148, 136, 0.2);
    color: #0f172a;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #f8fafc;
  }
  ::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
  }

  /* Fade-in animation */
  .fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Stagger children */
  .stagger-children > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
  .stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
  .stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
  .stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
  .stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
  .stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
  .stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
  }

  /* Mobile menu open state */
  #mobile-menu.open {
    display: block;
    animation: slideDown 0.2s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Focus visible for accessibility */
  :focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
    border-radius: 4px;
  }

  /* Smooth image loading */
  img {
    image-rendering: auto;
    will-change: transform;
  }

  /* Subtle pattern overlay for hero */
  .hero-pattern {
    background-image: radial-gradient(circle at 1px 1px, rgba(13, 148, 136, 0.06) 1px, transparent 0);
    background-size: 24px 24px;
  }