* { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; scroll-padding-top: 80px; }

  body {
    overflow-x: hidden;
  }

  /* Bubble animations */
  @keyframes float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
    50% { transform: translateY(-20px) scale(1.1); opacity: 1; }
  }

  .bubble {
    animation: float 4s ease-in-out infinite;
  }

  /* Scroll reveal */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Header scroll state */
  #header.scrolled {
    box-shadow: 0 1px 20px rgba(20, 184, 166, 0.08);
  }

  /* Menu hover underline */
  nav a {
    position: relative;
  }

  nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #14b8a6;
    transition: width 0.2s ease;
  }

  nav a:hover::after {
    width: 100%;
  }

  /* Mobile menu transition */
  #mobileMenu {
    animation: slideDown 0.25s ease;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Smooth image loading */
  img {
    opacity: 1;
    transition: opacity 0.3s ease;
  }

  /* Custom selection color */
  ::selection {
    background: #99f6e4;
    color: #134e4a;
  }

  /* Focus visible styles */
  :focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
  }

  /* Gallery hover */
  .grid img {
    transition: transform 0.5s ease;
  }

  /* Counter animation placeholder */
  @keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Print styles */
  @media print {
    #header, #gallery, .bubble { display: none; }
    body { color: #000; background: #fff; }
  }