:root {
  color-scheme: light dark;
  --bg: #f7f6f2;
  --panel: #ffffff;
  --text: #20242a;
  --muted: #5c6672;
  --line: #d9ddd8;
  --accent: #246b5a;
  --accent-soft: #e4efe9;
}

* {
  box-sizing: border-box;
}

html {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover,
.nav a:focus {
  color: var(--accent);
}

.hero {
  padding: 78px 0 56px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 12px;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(40px, 8vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

.lead {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding: 34px 0;
}

.item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  padding: 22px;
}

.item h2,
.content h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.2;
}

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

.content {
  max-width: 720px;
  padding: 44px 0 80px;
}

.content h1 {
  font-size: clamp(34px, 7vw, 58px);
}

.content h2 {
  margin-top: 34px;
}

.content ul {
  padding-left: 22px;
}

.note {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.note time {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  padding: 24px 0 36px;
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero {
    padding: 54px 0 38px;
  }

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

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111513;
    --panel: #171d1a;
    --text: #eef3ef;
    --muted: #a4afa9;
    --line: #2a332f;
    --accent: #87d1ad;
    --accent-soft: #183128;
  }
}