:root {
  --bg: #f7f9ff;
  --text: #1b1f2a;
  --sub: #4a5160;
  --primary: #135be8;
  --card: #ffffff;
  --line: #e4e8f2;
}

* {
  box-sizing: border-box;
}

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

.container {
  width: min(1040px, 92vw);
  margin: 0 auto;
}

.hero {
  padding: 96px 0 72px;
  background: linear-gradient(180deg, #eff3ff 0%, #f7f9ff 100%);
}

.badge {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid #ccd8fa;
  color: #23458b;
  font-weight: 600;
  font-size: 14px;
}

h1 {
  margin: 0 0 16px;
  line-height: 1.2;
  font-size: clamp(32px, 5vw, 56px);
}

.lead {
  margin: 0;
  max-width: 680px;
  color: var(--sub);
  font-size: 18px;
}

.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--primary);
  color: #ffffff;
}

.button.ghost {
  color: var(--text);
  border-color: var(--line);
  background: #ffffff;
}

.section {
  padding: 64px 0;
}

.section.alt {
  background: #f1f5ff;
}

h2 {
  margin: 0 0 20px;
  font-size: 28px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--sub);
}

.stack {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stack li {
  border: 1px solid #c9d7fa;
  background: #ffffff;
  color: #1f3a7d;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 600;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 20px 0 32px;
}

.footer p {
  margin: 0;
  color: var(--sub);
  font-size: 14px;
}

.footer a {
  color: #2e4f96;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.policy {
  max-width: 760px;
}

.policy h2 {
  margin-top: 32px;
  margin-bottom: 10px;
}

.policy h2:first-of-type {
  margin-top: 0;
}

.policy p {
  margin: 0 0 10px;
  color: var(--sub);
}

.policy a {
  color: #2e4f96;
}

.updated-at {
  margin-top: 18px;
  font-size: 14px;
}