/* ─── Base & Reset ─── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; -webkit-font-smoothing: antialiased; }
  img { display: block; max-width: 100%; }

  /* ─── Nav ─── */
  #site-header {
    background: rgba(253, 248, 240, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(192, 96, 58, 0.1);
  }
  #site-header.scrolled {
    background: rgba(253, 248, 240, 0.95);
    box-shadow: 0 1px 20px rgba(192, 96, 58, 0.08);
  }
  .nav-link { position: relative; }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #C0603A;
    border-radius: 1px;
    transition: width 0.25s ease;
  }
  .nav-link:hover::after { width: 100%; }
  .mobile-link { border-bottom: 1px solid transparent; transition: border-color 0.2s; }
  .mobile-link:hover { border-bottom-color: #f9d7cc; }

  /* ─── Scroll Reveal ─── */
  @media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .scroll-reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
  }

  /* ─── Selection ─── */
  ::selection { background: #f9d7cc; color: #6c3624; }

  /* ─── Smooth focus ─── */
  :focus-visible {
    outline: 2px solid #C0603A;
    outline-offset: 2px;
    border-radius: 4px;
  }