/* ========== BASE ========== */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; -webkit-font-smoothing: antialiased; }

  /* ========== NAVBAR ========== */
  #navbar { transition: background 0.3s ease; }

  /* ========== REVEAL ANIMATIONS ========== */
  .reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
    }
    .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; }
  }

  /* ========== MOBILE MENU ========== */
  #mobile-menu {
    animation: slideDown 0.25s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ========== SCROLLBAR ========== */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #eaf0f7; }
  ::-webkit-scrollbar-thumb { background: #9fb8d9; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #789bca; }

  /* ========== SELECTION ========== */
  ::selection { background: #e8a838; color: #1a3a5c; }