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

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

  body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  /* Mobile menu open state */
  #mobile-menu.open {
    display: block;
    animation: slideDown .3s ease;
  }

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

  /* Mobile menu link hover */
  .mobile-link {
    display: block;
  }

  /* Navbar solid state */
  #navbar.nav-solid {
    background: rgba(56, 11, 64, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  }

  /* Reveal animations — progressive enhancement */
  @media (prefers-reduced-motion: no-preference) {
    .reveal-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-up.revealed {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal-left {
      opacity: 0;
      transform: translateX(-30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-left.revealed {
      opacity: 1;
      transform: translateX(0);
    }

    .reveal-right {
      opacity: 0;
      transform: translateX(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-right.revealed {
      opacity: 1;
      transform: translateX(0);
    }

    .reveal-grid {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal-grid.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Default visible state (no JS) */
  .reveal-up,
  .reveal-left,
  .reveal-right,
  .reveal-grid {
    opacity: 1;
    transform: none;
  }

  /* Menu toggle active state */
  #menu-toggle.active .bar-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  #menu-toggle.active .bar-line:nth-child(2) {
    opacity: 0;
  }
  #menu-toggle.active .bar-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
  }

  /* Smooth image loading */
  img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }

  /* Selection color */
  ::selection {
    background: rgba(251, 191, 36, 0.3);
    color: #fff;
  }
</style>