:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #111827;
  --accent-soft: #374151;
  --link: #1d4ed8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

a:hover {
  text-decoration: none;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  padding: 28px 0 12px;
}

.brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}

.hero {
  padding: 48px 0 32px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 28px;
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 42rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.125rem;
  font-weight: 700;
}

.card p,
.card li {
  color: var(--muted);
}

.card ul,
.card ol {
  margin: 0;
  padding-left: 1.25rem;
}

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

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2rem;
  margin-bottom: 12px;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.button {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

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

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

.site-footer {
  padding: 48px 0 64px;
  font-size: 14px;
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.prose h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  font-weight: 800;
}

.prose h2 {
  margin: 32px 0 12px;
  font-size: 1.25rem;
  font-weight: 700;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose ul {
  padding-left: 1.25rem;
}

.updated {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 32px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #047857;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}