*, *::before, *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    margin: 0;
    overflow-x: hidden;
  }

  /* Mobile menu */
  #mobile-menu.open {
    opacity: 1;
    pointer-events: all;
  }

  #mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
  }

  .mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  #mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
  }

  #mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
  #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
  #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
  #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

  /* Hamburger */
  .line {
    display: block;
    width: 20px;
    height: 1.5px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  #menu-toggle[aria-expanded="true"] .line.top {
    transform: translateY(5.5px) rotate(45deg);
  }

  #menu-toggle[aria-expanded="true"] .line.mid {
    opacity: 0;
  }

  #menu-toggle[aria-expanded="true"] .line.bot {
    transform: translateY(-5.5px) rotate(-45deg);
  }

  /* Scroll reveal — progressive enhancement, only active when JS runs */
  .reveal {
    /* Default: always visible — no JS required */
    opacity: 1;
  }

  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      /* Hidden state only when JS will activate it */
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                  transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

  /* Nav scroll state */
  #nav.scrolled {
    box-shadow: 0 1px 0 rgba(15, 26, 51, 0.06);
  }

  /* Selection */
  ::selection {
    background: rgba(45, 138, 105, 0.15);
    color: inherit;
  }

  /* Focus */
  :focus-visible {
    outline: 2px solid #2d8a69;
    outline-offset: 3px;
    border-radius: 4px;
  }

  /* Smooth image loading */
  img {
    display: block;
    max-width: 100%;
  }

  /* Map container fix */
  .aspect-\[4\/3\] iframe {
    border-radius: 0 0 9999px 9999px;
  }