:root {
  color-scheme: light dark;
  --page: #f6f8f7;
  --surface: #ffffff;
  --text: #162019;
  --muted: #56625a;
  --line: #d8dfda;
  --accent: #21884d;
  --accent-dark: #126836;
  --soft: #e8f4ec;
  --focus: #1769aa;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  background: var(--page);
  color: var(--text);
}

body {
  margin: 0;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.nav,
main,
.site-footer {
  width: min(100% - 32px, 880px);
  margin-inline: auto;
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 750;
  font-size: 1.15rem;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

main {
  padding-block: 56px 80px;
}

.intro {
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

h1,
h2 {
  line-height: 1.2;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2.25rem, 8vw, 4rem);
}

h2 {
  margin: 40px 0 12px;
  font-size: 1.4rem;
}

p,
li {
  max-width: 74ch;
}

.lede {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 64ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--accent-dark);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 40px;
  border: 1px solid var(--line);
  background: var(--line);
}

.summary-grid section {
  min-width: 0;
  padding: 24px;
  background: var(--surface);
}

.summary-grid h2 {
  margin-top: 0;
}

.policy-meta {
  color: var(--muted);
  font-weight: 600;
}

.notice {
  margin: 28px 0;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: var(--soft);
}

.site-footer-wrap {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.site-footer {
  padding-block: 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 14px;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  main {
    padding-top: 40px;
  }

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

@media (prefers-color-scheme: dark) {
  :root {
    --page: #101512;
    --surface: #171d19;
    --text: #edf4ef;
    --muted: #b5c2b9;
    --line: #364139;
    --accent: #42a96b;
    --accent-dark: #7ed99f;
    --soft: #173321;
  }
}