/* Base */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { min-height: 100vh; }

  /* Scroll reveal (progressive enhancement) */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      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);
    }
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
  }

  /* Navbar scroll state */
  #navbar.scrolled {
    box-shadow: 0 1px 20px rgba(10, 22, 40, 0.06);
  }

  /* Selection */
  ::selection { background: rgba(52, 211, 153, 0.2); color: #0A1628; }

  /* Smooth image loading */
  img { background-color: rgba(10, 22, 40, 0.03); }

  /* Focus visible */
  :focus-visible { outline: 2px solid #34D399; outline-offset: 2px; }

  /* Custom scrollbar */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #0A1628; }
  ::-webkit-scrollbar-thumb { background: rgba(52, 211, 153, 0.3); border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: rgba(52, 211, 153, 0.5); }