:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #5e6b78;
  --line: #d7dde2;
  --accent: #245b55;
  --accent-dark: #163f3a;
  --max: 760px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  color: var(--accent-dark);
}

.page {
  min-height: 100vh;
  padding: 48px 20px;
}

.page-home {
  display: flex;
  align-items: center;
}

.shell {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.center-panel {
  text-align: center;
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin-bottom: 56px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 18px;
  font-size: 0.95rem;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 8vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.content h1 {
  max-width: 700px;
  font-size: clamp(2rem, 7vw, 3.5rem);
}

h2 {
  margin: 36px 0 10px;
  font-size: 1.3rem;
  line-height: 1.25;
}

p {
  margin: 16px 0 0;
}

ul {
  margin: 14px 0 0;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 8px;
}

.lede {
  max-width: 620px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 20px;
  margin-top: 34px;
}

.link-row a,
.nav-links a {
  font-weight: 700;
}

.content {
  padding: 20px 0 24px;
}

.content p,
.content li {
  color: var(--muted);
  font-size: 1.02rem;
}

.content strong {
  color: var(--text);
}

.date {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-links {
  margin-top: 44px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

@media (max-width: 640px) {
  .page {
    padding: 30px 18px;
  }

  .page-home {
    align-items: flex-start;
    padding-top: 86px;
  }

  .site-header {
    display: block;
    margin-bottom: 38px;
  }

  .nav-links {
    justify-content: flex-start;
    margin-top: 12px;
  }

  .link-row {
    display: grid;
    gap: 12px;
  }
}