/* ── Base ── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 64px; }
  body { margin: 0; }
  img { max-width: 100%; display: block; }

  /* ── Scroll reveal (progressive enhancement) ── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* ── Mobile menu animation ── */
  #mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  #mobileMenu.open {
    max-height: 400px;
  }

  /* ── Custom scrollbar ── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #faf5ff; }
  ::-webkit-scrollbar-thumb { background: #9333ea; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #7e22ce; }