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

  html {
    scroll-behavior: smooth;
  }

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

  /* Scroll reveal base — always visible, JS enhances */
  .reveal-up,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  @media (prefers-reduced-motion: no-preference) {
    .reveal-up {
      opacity: 0;
      transform: translateY(32px);
    }
    .reveal-left {
      opacity: 0;
      transform: translateX(-32px);
    }
    .reveal-right {
      opacity: 0;
      transform: translateX(32px);
    }

    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
      opacity: 1;
      transform: none;
    }
  }

  /* Navbar scroll state */
  #navbar.scrolled {
    background: rgba(10, 22, 40, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #0a1628;
  }
  ::-webkit-scrollbar-thumb {
    background: #1a3a6e;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #4ade80;
  }

  /* Selection color */
  ::selection {
    background: rgba(74, 222, 128, 0.3);
    color: white;
  }

  /* Geometric decorative shapes */
  .geo-shape {
    position: absolute;
    pointer-events: none;
  }

  /* Image hover zoom */
  .img-zoom {
    overflow: hidden;
  }
  .img-zoom img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  .img-zoom:hover img {
    transform: scale(1.05);
  }

  /* Focus visible */
  :focus-visible {
    outline: 2px solid #4ade80;
    outline-offset: 2px;
  }

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