/* ── Base & Reset ── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; -webkit-font-smoothing: antialiased; }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; }
  ul { list-style: none; padding: 0; margin: 0; }

  /* ── Navbar ── */
  #navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
  }
  #navbar.scrolled {
    background: rgba(5, 46, 22, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0,0,0,0.15);
  }

  /* ── Hero ── */
  .hero-gradient {
    background: linear-gradient(135deg, #052e16 0%, #14532d 25%, #166534 50%, #15803d 75%, #22c55e 100%);
  }

  /* ── Geometric Shapes ── */
  .hero-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
  .shape { position: absolute; opacity: 0.12; }
  .shape-1 {
    width: 500px; height: 500px;
    background: #86efac;
    border-radius: 50%;
    top: -150px; right: -100px;
  }
  .shape-2 {
    width: 300px; height: 300px;
    background: #fbbf24;
    border-radius: 50%;
    bottom: -80px; left: -60px;
  }
  .shape-3 {
    width: 180px; height: 180px;
    background: #ffffff;
    top: 25%; left: 8%;
    transform: rotate(45deg);
    border-radius: 12px;
  }
  .shape-4 {
    width: 120px; height: 120px;
    background: #f59e0b;
    border-radius: 50%;
    top: 20%; right: 15%;
  }
  .shape-5 {
    width: 80px; height: 80px;
    background: #ffffff;
    border-radius: 50%;
    bottom: 25%; right: 8%;
  }

  /* ── Stat Items ── */
  .stat-item { position: relative; }
  .stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0; top: 20%; height: 60%;
    width: 1px;
    background: rgba(255,255,255,0.15);
  }

  /* ── Service Cards ── */
  .service-card { perspective: 800px; }

  /* ── Reveal Animations (progressive enhancement) ── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }
    .reveal.revealed {
      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 ── */
  #mobileMenu {
    animation: slideDown 0.25s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ── Form 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='%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 12px center;
    padding-right: 36px;
  }