:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --text: #1d231f;
  --muted: #68716b;
  --line: #dfe4df;
  --accent: #1f5d45;
  --accent-soft: #e8f1ec;
  --max: 980px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--accent); }

.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--line);
  background: rgba(246,247,244,.92);
  backdrop-filter: blur(10px);
}

nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.03em;
  font-size: 1.15rem;
}

.navlinks {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.navlinks a {
  color: var(--muted);
  text-decoration: none;
  font-size: .94rem;
}

.hero {
  padding: 92px 0 72px;
}

.kicker {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .84rem;
  font-weight: 700;
  margin-bottom: 18px;
}

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -.035em;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(2.5rem, 7vw, 5.3rem);
  max-width: 850px;
}

h2 {
  margin-top: 0;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
}

.lead {
  max-width: 720px;
  font-size: clamp(1.08rem, 2.2vw, 1.34rem);
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 42px 0 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
}

.card h3 { margin: 0 0 10px; }
.card p { color: var(--muted); margin: 0; }

section { padding: 56px 0; }

.prose {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(24px, 5vw, 52px);
  margin: 42px 0 72px;
}

.prose h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 12px;
}

.prose h2 {
  margin-top: 36px;
  font-size: 1.45rem;
}

.prose p, .prose li { color: #3e4741; }
.prose .meta { color: var(--muted); font-size: .92rem; }

.button {
  display: inline-block;
  margin-top: 22px;
  padding: 12px 17px;
  border-radius: 11px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 28px 0 42px;
  font-size: .9rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
  nav { align-items: flex-start; padding: 18px 0; flex-direction: column; }
}