  /* ── Base ─────────────────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; overflow-x: hidden; }

  .skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: #1B4332;
    color: #fff;
    padding: .5rem 1rem;
    border-radius: 0 0 .5rem .5rem;
    z-index: 100;
    font-weight: 600;
  }
  .skip-link:focus { top: 0; }

  /* ── Header ───────────────────────────────────────────── */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(254, 253, 248, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(27, 67, 50, 0.08);
    transition: box-shadow 0.3s ease;
  }
  .site-header.scrolled {
    box-shadow: 0 4px 24px rgba(27, 67, 50, 0.08);
  }
  .h-18 { height: 72px; }

  .nav-link {
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2d6a4f;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after { width: 100%; }

  /* ── Buttons ──────────────────────────────────────────── */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: #1B4332;
    color: #fff;
    font-weight: 600;
    font-size: .9375rem;
    padding: .75rem 1.5rem;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
    text-decoration: none;
    white-space: nowrap;
  }
  .btn-primary:hover {
    background: #2d6a4f;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(27, 67, 50, 0.25);
  }

  .btn-cta {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: #fff;
    color: #1B4332;
    font-weight: 700;
    font-size: 1.0625rem;
    padding: 1rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  }
  .btn-cta:hover {
    background: #f0f7f0;
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  }

  .btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    color: #fff;
    font-weight: 600;
    font-size: 1.0625rem;
    padding: 1rem 2rem;
    border-radius: 9999px;
    border: 1.5px solid rgba(255,255,255,0.4);
    text-decoration: none;
    transition: background 0.25s, border-color 0.25s, transform 0.2s;
  }
  .btn-cta-secondary:hover {
    background: rgba(255,255,255,0.25);
    border-color: rgba(255,255,255,0.7);
    transform: translateY(-2px);
  }

  /* ── Badges ───────────────────────────────────────────── */
  .badge-green {
    display: inline-flex;
    align-items: center;
    gap: .375rem;
    background: #d8f3dc;
    color: #1B4332;
    font-weight: 600;
    font-size: .8125rem;
    padding: .375rem 1rem;
    border-radius: 9999px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }

  /* ── Hero ─────────────────────────────────────────────── */
  .hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0b2118 0%, #1B4332 25%, #2d6a4f 55%, #40916c 80%, #52b788 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
  }
  .hero-gradient {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 80% 60% at 20% 80%, rgba(82, 183, 136, 0.3) 0%, transparent 60%),
      radial-gradient(ellipse 50% 40% at 80% 20%, rgba(45, 106, 79, 0.5) 0%, transparent 60%);
    pointer-events: none;
  }
  .hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
  }
  .shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.12;
  }
  .shape-1 {
    width: 420px; height: 420px;
    background: #95d5b2;
    top: -100px; right: -80px;
    animation: float 8s ease-in-out infinite;
  }
  .shape-2 {
    width: 260px; height: 260px;
    background: #74c69d;
    bottom: 10%; left: 5%;
    animation: float 10s ease-in-out infinite reverse;
  }
  .shape-3 {
    width: 160px; height: 160px;
    background: #b7e4c7;
    top: 30%; right: 10%;
    animation: float 7s ease-in-out infinite;
  }
  .shape-4 {
    width: 100px; height: 100px;
    background: #d8f3dc;
    top: 15%; left: 15%;
    animation: float 9s ease-in-out infinite reverse;
  }
  .shape-5 {
    width: 200px; height: 200px;
    background: #52b788;
    bottom: 5%; right: 25%;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morph 12s ease-in-out infinite;
  }
  .shape-6 {
    width: 80px; height: 80px;
    background: #95d5b2;
    top: 50%; left: 2%;
    animation: float 6s ease-in-out infinite;
  }
  .shape-7 {
    width: 140px; height: 140px;
    background: #40916c;
    bottom: 25%; right: 5%;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morph 10s ease-in-out infinite reverse;
  }
  .shape-8 {
    width: 60px; height: 60px;
    background: #d8f3dc;
    top: 40%; right: 30%;
    animation: float 5s ease-in-out infinite;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-24px) rotate(3deg); }
  }
  @keyframes morph {
    0%, 100% { border-radius: 50% 50% 50% 50% / 50% 50% 50% 50%; }
    25% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
    50% { border-radius: 30% 60% 70% 40% / 50% 60% 40% 60%; }
    75% { border-radius: 40% 60% 30% 70% / 70% 40% 60% 30%; }
  }

  .hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 80px;
    line-height: 0;
  }

  /* ── Sections ─────────────────────────────────────────── */
  .section { padding: 5rem 0; }
  .section-alt { background: #f0f7f0; }

  /* ── Service Cards ────────────────────────────────────── */
  .service-card {
    position: relative;
    border-radius: 1.25rem;
    overflow: hidden;
  }
  .service-card-inner {
    background: #fff;
    border-radius: 1.25rem;
    padding: 2rem;
    border: 1px solid rgba(27, 67, 50, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    position: relative;
    z-index: 1;
  }
  .service-card-inner:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(27, 67, 50, 0.12);
  }
  .service-card .deco-dots {
    position: absolute;
    bottom: 12px;
    right: 16px;
    display: grid;
    grid-template-columns: repeat(3, 6px);
    gap: 5px;
    opacity: 0.15;
    z-index: 0;
  }
  .service-card .deco-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #1B4332;
  }

  /* ── Feature Cards ────────────────────────────────────── */
  .feature-card {
    background: #fff;
    border-radius: 1.25rem;
    padding: 2rem;
    border: 1px solid rgba(27, 67, 50, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
  }
  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(27, 67, 50, 0.1);
  }
  .feature-card-content { height: 100%; }
  .feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 1rem;
    background: #d8f3dc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1B4332;
    margin-bottom: 1.25rem;
    transition: background 0.3s;
  }
  .feature-card:hover .feature-icon {
    background: #1B4332;
    color: #fff;
  }

  /* ── CTA Banner ───────────────────────────────────────── */
  .cta-banner {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0b2118 0%, #1B4332 50%, #2d6a4f 100%);
    padding: 5rem 0;
  }
  .cta-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
  }
  .cta-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
  }
  .cta-shape-1 {
    width: 300px; height: 300px;
    background: #95d5b2;
    top: -80px; left: -60px;
  }
  .cta-shape-2 {
    width: 200px; height: 200px;
    background: #52b788;
    bottom: -60px; right: 10%;
  }
  .cta-shape-3 {
    width: 120px; height: 120px;
    background: #d8f3dc;
    top: 20%; right: 25%;
  }

  /* ── Contact Form ─────────────────────────────────────── */
  .input-field {
    width: 100%;
    padding: .75rem 1rem;
    border: 1.5px solid #d8f3dc;
    border-radius: .75rem;
    font-family: inherit;
    font-size: .9375rem;
    color: #1B4332;
    background: #fefdf8;
    transition: border-color 0.25s, box-shadow 0.25s;
    outline: none;
  }
  .input-field::placeholder { color: #95d5b2; }
  .input-field:focus {
    border-color: #2d6a4f;
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.12);
    background: #fff;
  }
  select.input-field {
    appearance: none;
    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='%231B4332' 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;
  }
  textarea.input-field { resize: vertical; }

  /* ── Footer ───────────────────────────────────────────── */
  .footer {
    background: #0b2118;
    color: #fff;
  }

  /* ── Mobile Menu ──────────────────────────────────────── */
  .mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .mobile-menu.open {
    max-height: 400px;
  }
  .mobile-nav-link {
    display: block;
    padding: .5rem 0;
    border-bottom: 1px solid rgba(27, 67, 50, 0.08);
  }
  .mobile-nav-link:last-child { border-bottom: none; }

  /* ── Scroll Reveal ────────────────────────────────────── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
    }
  }

  /* ── Responsive ───────────────────────────────────────── */
  @media (max-width: 640px) {
    .hero { min-height: 80vh; }
    .hero h1 { font-size: 2.25rem; }
    .section { padding: 3.5rem 0; }
    .cta-banner { padding: 3.5rem 0; }
  }
  @media (min-width: 641px) and (max-width: 1023px) {
    .hero h1 { font-size: 3.5rem; }
  }
