/* ── Base ── */
  html { scroll-behavior: smooth; }
  body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

  /* ── Scroll Reveal (progressive enhancement) ── */
  @media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.6s cubic-bezier(.22,.61,.36,1), transform 0.6s cubic-bezier(.22,.61,.36,1);
    }
    .scroll-reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
    /* stagger children */
    .grid .scroll-reveal:nth-child(2) { transition-delay: .08s; }
    .grid .scroll-reveal:nth-child(3) { transition-delay: .16s; }
    .grid .scroll-reveal:nth-child(4) { transition-delay: .24s; }
    .grid .scroll-reveal:nth-child(5) { transition-delay: .32s; }
    .grid .scroll-reveal:nth-child(6) { transition-delay: .40s; }
  }

  /* ── Nav shadow on scroll ── */
  #nav.scrolled {
    box-shadow: 0 1px 12px rgba(0,0,0,.08);
  }

  /* ── Custom select arrow ── */
  select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
  }

  /* ── Mobile link hover ── */
  .mobile-link {
    border-radius: .75rem;
    padding-left: .75rem;
    transition: background .15s;
  }
  .mobile-link:hover { background: rgba(0,0,0,.04); }