:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #5e6b76;
  --line: #dbe2e8;
  --surface: #ffffff;
  --surface-soft: #f4f7f9;
  --accent: #176b87;
  --accent-dark: #0e4f67;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface-soft);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

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

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

.shell {
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
}

header {
  padding: 3.5rem 0 2rem;
}

.eyebrow {
  margin: 0 0 .5rem;
  color: var(--accent-dark);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.2;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 4rem);
  letter-spacing: -.04em;
}

h2 {
  margin: 2rem 0 .65rem;
  font-size: 1.25rem;
}

p,
ul {
  margin: 0 0 1rem;
}

ul {
  padding-left: 1.25rem;
}

.subtitle {
  margin-top: .75rem;
  color: var(--muted);
  font-size: 1.15rem;
}

main {
  padding: 0 0 3rem;
}

.card {
  padding: clamp(1.35rem, 4vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgb(23 33 43 / 5%);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem 1.25rem;
  margin-top: 1.75rem;
  font-weight: 650;
}

.meta {
  color: var(--muted);
  font-size: .92rem;
}

footer {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 520px) {
  header {
    padding-top: 2.5rem;
  }

  .shell {
    width: min(100% - 1.25rem, 760px);
  }
}