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

  /* ── Scroll Reveal (progressive enhancement) ── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
    }
  }

  /* ── Header scroll state ── */
  #site-header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 0 rgba(143, 61, 94, 0.08);
  }

  /* ── Mobile menu ── */
  #mobile-menu.open {
    opacity: 1;
    pointer-events: all;
  }
  #mobile-menu.open .mobile-menu-link {
    animation: fadeUp 0.3s ease forwards;
  }
  #mobile-menu.open .mobile-menu-link:nth-child(1) { animation-delay: 0.05s; }
  #mobile-menu.open .mobile-menu-link:nth-child(2) { animation-delay: 0.1s; }
  #mobile-menu.open .mobile-menu-link:nth-child(3) { animation-delay: 0.15s; }
  #mobile-menu.open .mobile-menu-link:nth-child(4) { animation-delay: 0.2s; }
  #mobile-menu.open .mobile-menu-link:nth-child(5) { animation-delay: 0.25s; }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* ── Hamburger animation ── */
  #menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
  }
  #menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  #menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.25rem;
  }

  /* ── Selection ── */
  ::selection {
    background: rgba(143, 61, 94, 0.15);
    color: inherit;
  }

  /* ── Focus visible ── */
  :focus-visible {
    outline: 2px solid rgba(143, 61, 94, 0.4);
    outline-offset: 2px;
  }