:root {
  --bg: #f6f4fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --accent: #7c3aed;
  --accent-soft: #ede9fe;
  --border: #e5e7eb;
  --radius: 16px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration: none;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--accent);
}

main {
  padding: 48px 0 64px;
}

.hero {
  text-align: center;
  padding: 32px 0 48px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0 auto;
  max-width: 520px;
  color: var(--muted);
  font-size: 1.125rem;
}

.badge {
  display: inline-block;
  margin-bottom: 20px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.features {
  display: grid;
  gap: 16px;
  margin: 0 0 48px;
  padding: 0;
  list-style: none;
}

.features li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.features h2 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.features p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.prose h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.prose .updated {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 0.9rem;
}

.prose h2 {
  margin: 32px 0 12px;
  font-size: 1.15rem;
}

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

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

.prose li {
  margin-bottom: 8px;
}

.contact-card {
  margin-top: 32px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-card p {
  margin: 0;
}

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 20px;
}