:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c2330;
  --muted: #5d6675;
  --border: #d9dde4;
  --accent: #2f5bd3;
  --accent-text: #ffffff;
  --code-bg: #f0f2f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --panel: #1c2028;
    --text: #e6e8ec;
    --muted: #9aa3b2;
    --border: #333a46;
    --accent: #6d8ff0;
    --accent-text: #0e1116;
    --code-bg: #12151a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: var(--accent); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
code { font-size: 0.9em; background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }

.nav, main, footer { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  padding-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 20px;
  text-decoration: none;
}

.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
}

.button.secondary { background: transparent; color: var(--accent); }

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0 32px;
}

h1 { font-size: 42px; line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.02em; }
h2 { font-size: 26px; margin: 0 0 16px; }
h3 { font-size: 17px; margin: 0 0 8px; }

.lead { font-size: 18px; color: var(--muted); margin: 0 0 24px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.small { font-size: 14px; color: var(--muted); }
.muted { color: var(--muted); }

.example {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: start;
}

.example pre {
  margin: 6px 0 0;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 12.5px;
  line-height: 1.5;
  overflow-x: auto;
}

.label { font-size: 13px; font-weight: 600; color: var(--muted); }
.arrow { font-size: 24px; color: var(--accent); align-self: center; }

main > section { padding: 32px 0; }
main > section + section { border-top: 1px solid var(--border); }

.steps { margin: 0; padding-left: 22px; display: grid; gap: 10px; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cards article {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.cards p { margin: 0; color: var(--muted); }

footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 24px;
  padding-bottom: 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 24px; }
}

@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
  .example { grid-template-columns: 1fr; }
  .arrow { transform: rotate(90deg); justify-self: center; }
}