/* ── Base ── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; -webkit-font-smoothing: antialiased; }

  /* ── Hero entrance animations ── */
  @keyframes fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .animate-fade-up { animation: fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

  /* ── Scroll-reveal (progressive enhancement) ── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal-on-scroll {
      opacity: 0;
      transform: translateY(40px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-on-scroll.is-visible {
      opacity: 1;
      transform: translateY(0);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .reveal-on-scroll { opacity: 1; transform: none; }
  }

  /* ── Nav scroll state ── */
  #nav.scrolled {
    background: rgba(36, 11, 20, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(181, 79, 120, 0.15);
  }

  /* ── Mobile menu ── */
  #mobile-menu.open { opacity: 1; pointer-events: all; }
  #mobile-menu.closed { opacity: 0; pointer-events: none; }

  /* ── Custom scrollbar ── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #240b14; }
  ::-webkit-scrollbar-thumb { background: #6d2a44; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #a03d62; }

  /* ── Selection ── */
  ::selection { background: rgba(255, 202, 0, 0.3); color: #f9f0f4; }