/* ── Reset & Base ─────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { min-height: 100vh; }
  img, svg { display: block; max-width: 100%; }
  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='%236b7280' stroke-width='2' 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 !important; }

  /* ── Scroll indicator animation ───────────────────── */
  @keyframes scrollLine {
    0%   { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
  }
  .animate-scroll-line {
    animation: scrollLine 1.4s ease-in-out infinite;
  }

  /* ── Scroll reveal (progressive enhancement) ─────── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .reveal.delay-1 { transition-delay: 0.1s; }
    .reveal.delay-2 { transition-delay: 0.2s; }
    .reveal.delay-3 { transition-delay: 0.3s; }
  }

  /* ── Mobile menu transitions ──────────────────────── */
  #mobile-menu.open {
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  #menu-btn[aria-expanded="true"] #bar1 {
    transform: translateY(5px) rotate(45deg);
  }
  #menu-btn[aria-expanded="true"] #bar2 {
    opacity: 0;
  }
  #menu-btn[aria-expanded="true"] #bar3 {
    transform: translateY(-5px) rotate(-45deg);
  }

  /* ── Header shadow on scroll ──────────────────────── */
  #site-header.scrolled {
    box-shadow: 0 1px 12px rgba(31, 56, 31, 0.08);
  }

  /* ── Subtle hover lift on cards ───────────────────── */
  .card { transform: translateY(0); }
  .card:hover { transform: translateY(-4px); }

  /* ── Selection color ──────────────────────────────── */
  ::selection { background: rgba(77, 128, 77, 0.2); color: #1f381f; }