:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --border: #e4e4df;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --text: #161614;
  --muted: #6b6b66;
  --code: #111111;
  --code-text: #e8e8e3;
  --soft: #eff4ff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

body {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 18px 72px;
}

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

header { margin-bottom: 28px; }

.kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: var(--soft);
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 700;
  margin-bottom: 14px;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 10px;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.slogan {
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.lead {
  color: var(--muted);
  max-width: 62ch;
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--muted);
  margin-bottom: 18px;
  max-width: 64ch;
}

.callout strong { color: var(--text); }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 8px;
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover { background: var(--accent-dark); }

section { margin: 32px 0; }

.steps {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
}

.steps li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--muted);
}

.steps strong { color: var(--text); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: #f0f0eb;
  border-radius: 6px;
  padding: 1px 6px;
}

.terminal {
  background: var(--code);
  color: var(--code-text);
  border-radius: 14px;
  padding: 16px 18px;
  overflow-x: auto;
  border: 1px solid #2a2a2a;
}

.terminal code {
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: 0.92rem;
  white-space: pre;
}

.cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.card h3 { font-size: 1rem; margin-bottom: 8px; letter-spacing: -0.02em; }
.card p { color: var(--muted); font-size: 0.95rem; }

.cta {
  margin-top: 28px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

.note { color: var(--muted); font-size: 0.95rem; margin: 8px 0 14px; }

footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.88rem;
}