:root {
  --brand: #0f5238;
  --brand-2: #2d6a4f;
  --soft: #eef6f2;
  --paper: #ffffff;
  --ink: #1d1d1f;
  --muted: #626b66;
  --line: #dde7e1;
  --warning: #d66853;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7faf8;
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: var(--brand);
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  min-height: 100vh;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--brand);
  font-size: 20px;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: var(--brand);
  color: white;
  font-size: 14px;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 999px;
}

.nav-links a.active,
.nav-links a:hover {
  background: var(--soft);
  text-decoration: none;
}

.hero {
  padding: clamp(56px, 9vw, 104px) clamp(20px, 5vw, 72px);
  background:
    radial-gradient(circle at 80% 12%, rgba(45, 106, 79, 0.16), transparent 34%),
    linear-gradient(135deg, #ffffff 0%, #f1f8f4 100%);
  border-bottom: 1px solid var(--line);
}

.hero-inner,
.content {
  max-width: 980px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 700px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.5vw, 22px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 14px;
  background: var(--brand);
  color: white;
  box-shadow: 0 12px 24px rgba(15, 82, 56, 0.18);
}

.button.secondary {
  background: white;
  color: var(--brand);
  border: 1px solid var(--line);
  box-shadow: none;
}

.content {
  padding: clamp(36px, 6vw, 72px) clamp(20px, 5vw, 0px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card,
.section {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 14px 40px rgba(15, 82, 56, 0.06);
}

.card {
  padding: 22px;
}

.card h2,
.section h2 {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: 22px;
  line-height: 1.2;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.section {
  margin-bottom: 18px;
  padding: clamp(22px, 4vw, 34px);
}

.section h2 {
  font-size: 24px;
}

.section p,
.section li {
  color: var(--muted);
}

.section p:last-child,
.section ul:last-child {
  margin-bottom: 0;
}

.note {
  border-left: 4px solid var(--warning);
  padding: 14px 16px;
  background: #fff6f3;
  border-radius: 12px;
  color: var(--muted);
}

.footer {
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: white;
  font-size: 14px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  max-width: 980px;
  margin: 0 auto;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}