:root {
  color-scheme: light;
  --ink: #18212f;
  --muted: #5c6778;
  --line: #d9e0e8;
  --panel: #ffffff;
  --bg: #f5f7fa;
  --accent: #0f7b6c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero {
  padding: 56px 0 32px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.4rem, 8vw, 5.8rem);
}

h2 {
  font-size: 1.35rem;
}

.intro {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.panel {
  margin-top: 24px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

ol {
  margin: 16px 0 0;
  padding-left: 24px;
  color: var(--muted);
}

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

code {
  padding: 2px 6px;
  background: #e8edf2;
  border-radius: 4px;
  color: #1b354f;
  font-size: 0.95em;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}