:root {
  --green: #1b7a4a;
  --green-dark: #0f4d30;
  --ink: #14201a;
  --muted: #5a6b62;
  --line: #d7e3db;
  --bg: #f4f8f5;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a {
  color: var(--green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(244, 248, 245, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(145deg, #2f9e63, #1b7a4a);
  box-shadow: 0 4px 12px rgba(27, 122, 74, 0.25);
}

.nav-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.hero {
  padding: 3rem 0 2rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 4vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.15rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--green);
  color: #fff;
}

.btn-primary:hover {
  background: var(--green-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem 1.35rem;
  margin: 0.85rem 0;
}

.card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.page {
  padding: 2.25rem 0 3.5rem;
}

.page h1 {
  margin: 0 0 0.35rem;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
}

.page h2 {
  margin: 1.75rem 0 0.55rem;
  font-size: 1.15rem;
}

.page p,
.page li {
  color: #2c3a33;
}

.page ul {
  padding-left: 1.2rem;
}

.page li {
  margin: 0.3rem 0;
}

.meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
}

@media (max-width: 560px) {
  .nav-links {
    gap: 0.75rem;
    font-size: 0.88rem;
  }
}