/* ─── Base & Utilities ─── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { overflow-x: hidden; }

  /* ─── Nav ─── */
  #site-nav.scrolled {
    background: rgba(254, 253, 248, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(4, 120, 87, 0.06), 0 4px 24px rgba(0,0,0,0.04);
  }

  /* ─── Floating cards ─── */
  .floating-card {
    animation: float 6s ease-in-out infinite;
  }
  .card-float-1 { animation-delay: -1s; }
  .card-float-2 { animation-delay: -3s; }
  .card-float-3 { animation-delay: -5s; }

  @keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
  }

  /* ─── Background blobs ─── */
  .hero-blob {
    animation: blob-drift 12s ease-in-out infinite;
  }
  .blob-2 { animation-delay: -4s; animation-duration: 15s; }
  .blob-3 { animation-delay: -8s; animation-duration: 18s; }

  @keyframes blob-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
  }

  /* ─── Stat chips ─── */
  .stat-chip {
    display: inline-flex;
    flex-direction: column;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(4, 120, 87, 0.12);
    border-radius: 14px;
    padding: 10px 16px;
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .stat-chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(4, 120, 87, 0.1);
  }
  .stat-chip-num {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #047857;
    line-height: 1;
  }
  .stat-chip-label {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 2px;
  }

  /* ─── Card hover ─── */
  .card-hover {
    transform: translateY(0);
  }
  .card-hover:hover {
    transform: translateY(-6px);
  }

  /* ─── Scroll reveal ─── */
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 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; }
  .reveal-delay-4 { transition-delay: 0.4s; }

  /* ─── Mobile menu ─── */
  #mobile-menu {
    animation: slideDown 0.25s ease-out;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ─── Custom scrollbar ─── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #fefdf8; }
  ::-webkit-scrollbar-thumb { background: #a7f3d0; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #6ee7b7; }

  /* ─── Selection ─── */
  ::selection { background: rgba(16, 185, 129, 0.2); color: #064e3b; }

  /* ─── Focus visible ─── */
  :focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
  }

  /* ─── Reduce motion ─── */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
  }