/* Progressive enhancement: reveal animations only when JS is active */
  .reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  @media (prefers-reduced-motion: no-preference) {
    .js .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .js .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Smooth scrolling */
  html {
    scroll-behavior: smooth;
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }
    .reveal {
      transition: none;
    }
  }

  /* Navbar scroll state */
  #navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #f1f5f9;
  }
  ::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
  }

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

  /* Form focus styles */
  input:focus, textarea:focus {
    outline: none;
    border-color: #0d9488;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
  }

  /* Image aspect ratio helper */
  .img-cover {
    object-fit: cover;
  }