:root {
  color-scheme: light;
  --ink: #17211b;
  --muted: #607067;
  --line: #dce6df;
  --paper: #fbfdfb;
  --accent: #176b45;
  --accent-soft: #e7f4ec;
  --shadow: 0 20px 60px rgba(22, 58, 39, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #eef5f0;
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 12%, rgba(67, 153, 105, 0.13), transparent 28rem),
    linear-gradient(180deg, #f8fbf8 0%, #eef5f0 100%);
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

.shell {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 11px;
  background: var(--accent);
  color: white;
  font-size: 14px;
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.card {
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 28px;
  background: rgba(251, 253, 251, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(38px, 8vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.document h1 {
  max-width: none;
  font-size: clamp(34px, 6vw, 56px);
}

h2 {
  margin: 36px 0 12px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

p,
li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.lead {
  max-width: 650px;
  margin: 28px 0 0;
  font-size: clamp(18px, 2.5vw, 22px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 38px;
}

.feature {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: white;
}

.feature strong {
  display: block;
  margin-bottom: 7px;
}

.feature p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
}

.notice {
  margin: 34px 0 0;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: #315c45;
  font-size: 15px;
  line-height: 1.6;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 6px 0;
  color: var(--muted);
  font-size: 13px;
}

footer div:last-child {
  display: flex;
  gap: 16px;
}

@media (max-width: 700px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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

  footer {
    flex-direction: column;
  }
}