:root {
  --ink: #111113;
  --chalk: #f7f6f2;
  --mist: #e8e7e2;
  --graphite: #6f7177;
  --line: rgba(17, 17, 19, 0.11);
  --accent: #2f6f68;
  --paper: rgba(255, 255, 255, 0.52);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--chalk);
  color: var(--ink);
  font-family:
    Geist,
    "SF Pro Display",
    "Helvetica Neue",
    Arial,
    sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(rgba(17, 17, 19, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 19, 0.028) 1px, transparent 1px),
    var(--chalk);
  background-size: 56px 56px;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
}

header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-color: var(--line);
}

header {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 32px;
  font-size: 15px;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 30px;
  height: 30px;
  display: block;
  flex: 0 0 30px;
}

nav {
  display: flex;
  gap: 22px;
  color: var(--graphite);
  font-size: 14px;
}

main {
  padding: 78px 0 70px;
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(46px, 8vw, 92px);
  line-height: 0.96;
  font-weight: 560;
  letter-spacing: -0.04em;
}

.intro {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--graphite);
  font-size: 19px;
  line-height: 1.58;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  min-height: 44px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-size: 14px;
}

.button.primary {
  background: var(--ink);
  color: var(--chalk);
}

.button.secondary {
  background: rgba(247, 246, 242, 0.72);
}

.grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
  margin-top: 70px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(247, 246, 242, 0.82);
  padding: 24px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.08;
  font-weight: 560;
  letter-spacing: -0.02em;
}

.panel p,
.panel li {
  color: var(--graphite);
  font-size: 15px;
  line-height: 1.58;
}

.panel p {
  margin: 0;
}

.panel p + p {
  margin-top: 14px;
}

.panel ul {
  margin: 0;
  padding-left: 18px;
}

.sample {
  background: var(--paper);
}

.sample blockquote {
  margin: 0;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  color: #2f3437;
  font-size: 17px;
  line-height: 1.58;
}

.related {
  margin-top: 56px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.related h2 {
  margin: 0 0 18px;
  font-size: 22px;
  font-weight: 560;
  letter-spacing: -0.015em;
}

.related-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.related-links a {
  min-height: 86px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.38);
  padding: 16px;
  color: var(--graphite);
  font-size: 14px;
  line-height: 1.45;
}

.related-links strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 560;
}

footer {
  align-items: flex-start;
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--graphite);
  font-size: 13px;
  line-height: 1.55;
}

footer strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-weight: 560;
}

footer p {
  margin: 0;
}

@media (max-width: 760px) {
  nav {
    display: none;
  }

  main {
    padding-top: 58px;
  }

  .grid,
  .related-links,
  footer {
    grid-template-columns: 1fr;
  }

  footer {
    display: grid;
  }
}