*, *::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;
  }

  ::selection {
    background: rgba(212, 149, 26, 0.25);
    color: #fff;
  }

  /* Scroll reveal — progressive enhancement */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                  transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
  }

  /* Mobile menu transitions */
  .line:nth-child(1) {
    transform-origin: top;
  }
  .line:nth-child(2) {
    opacity: 1;
  }
  .line:nth-child(3) {
    transform-origin: bottom;
  }

  #mobile-menu.open .line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
  }
  #mobile-menu.open .line:nth-child(2) {
    opacity: 0;
  }
  #mobile-menu.open .line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
  }

  /* Navbar scroll state */
  #nav.scrolled {
    background: rgba(14, 29, 48, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  /* Image aspect ratio helpers */
  img {
    display: block;
    max-width: 100%;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 6px;
  }
  ::-webkit-scrollbar-track {
    background: #0e1d30;
  }
  ::-webkit-scrollbar-thumb {
    background: rgba(212, 149, 26, 0.3);
    border-radius: 3px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: rgba(212, 149, 26, 0.5);
  }