:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #f5f7f6;
  --surface: rgba(255, 255, 255, 0.82);
  --border: rgba(17, 24, 22, 0.1);
  --text: #17201e;
  --muted: #66716e;
  --accent: #2f8d80;
  --accent-soft: #dff3ee;
}

* {
  box-sizing: border-box;
}

body {
  background:
    radial-gradient(circle at 15% -10%, rgba(83, 207, 188, 0.2), transparent 34rem),
    var(--bg);
  color: var(--text);
  margin: 0;
  min-height: 100vh;
}

a {
  color: inherit;
}

.site-shell {
  margin: 0 auto;
  max-width: 920px;
  padding: 32px 22px 64px;
}

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

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  border-radius: 14px;
  height: 44px;
  width: 44px;
}

.brand strong {
  font-size: 17px;
  letter-spacing: -0.02em;
}

.site-nav {
  color: var(--muted);
  display: flex;
  font-size: 14px;
  gap: 18px;
}

.site-nav a {
  text-decoration: none;
}

.hero {
  padding: 112px 0 78px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(42px, 8vw, 72px);
  line-height: 1.02;
  margin: 16px 0 22px;
  max-width: 760px;
}

.hero > p {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
  margin: 0;
  max-width: 680px;
}

.card-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, 1fr);
}

.card,
.policy {
  backdrop-filter: blur(18px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(24, 38, 34, 0.06);
}

.card {
  padding: 22px;
}

.card h2 {
  font-size: 18px;
  margin: 0 0 8px;
}

.card p,
.policy p,
.policy li {
  color: var(--muted);
  line-height: 1.7;
}

.policy {
  margin-top: 56px;
  padding: clamp(24px, 5vw, 48px);
}

.policy h1 {
  font-size: clamp(34px, 6vw, 52px);
  margin-top: 8px;
}

.policy h2 {
  font-size: 22px;
  margin: 36px 0 10px;
}

.policy h3 {
  font-size: 19px;
  letter-spacing: -0.025em;
  margin: 32px 0 10px;
}

.policy-language {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 48px;
}

.policy-language > h2 {
  font-size: clamp(30px, 5vw, 44px);
  margin-top: 8px;
}

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

.notice {
  background: var(--accent-soft);
  border-radius: 14px;
  color: #275f57;
  margin-top: 28px;
  padding: 16px 18px;
}

.site-footer {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  padding-top: 52px;
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    gap: 18px;
  }

  .site-nav {
    flex-direction: column;
    gap: 6px;
    text-align: right;
  }

  .hero {
    padding-top: 74px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111514;
    --surface: rgba(29, 35, 33, 0.84);
    --border: rgba(255, 255, 255, 0.09);
    --text: #eef3f1;
    --muted: #a5afac;
    --accent: #69d5c4;
    --accent-soft: #183c36;
  }

  .notice {
    color: #a5e7dc;
  }
}