:root {
  color-scheme: light;
  --ink: #151922;
  --muted: #5f6675;
  --paper: #f6f7fb;
  --panel: #ffffff;
  --accent: #1967d2;
  --accent-strong: #0b3d91;
  --line: #dfe3ec;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

a {
  color: var(--accent);
  font-weight: 700;
}

.shell {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: 40px 20px 64px;
}

.hero {
  min-height: 56vh;
  display: grid;
  align-content: center;
  gap: 18px;
}

.app-icon {
  width: 92px;
  height: 92px;
  border-radius: 22px;
  box-shadow: 0 18px 50px rgba(21, 25, 34, 0.18);
}

.eyebrow {
  margin: 0;
  color: var(--accent-strong);
  font-weight: 900;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.lede {
  max-width: 700px;
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
  color: var(--muted);
}

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

.actions a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-decoration: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

article p,
.text-page p,
.text-page li {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.text-page {
  max-width: 780px;
}

.text-page h1 {
  font-size: clamp(36px, 7vw, 64px);
  margin: 18px 0;
}

.text-page h2 {
  margin-top: 30px;
}

.text-page ol,
.text-page ul {
  padding-left: 24px;
}

.text-page li + li {
  margin-top: 8px;
}

.updated,
.back {
  color: var(--muted);
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }
}