:root {
  --bg: #FAF6EF;
  --card: #FFFFFF;
  --text: #1C1C1E;
  --text-secondary: #5A5A5E;
  --blue: #1B4F72;
  --coral: #E8724A;
  --border: rgba(0, 0, 0, 0.08);
  --shadow: rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15161A;
    --card: #1E2024;
    --text: #F2F1ED;
    --text-secondary: #A9A9AE;
    --blue: #5B9BD5;
    --coral: #F09A73;
    --border: rgba(255, 255, 255, 0.09);
    --shadow: rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  flex-shrink: 0;
  display: block;
  box-shadow: 0 1px 3px var(--shadow);
}

.brand-name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 17px;
  margin: 0 0 40px;
}

h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 12px;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 16px;
  color: var(--text);
}

ul {
  margin: 0 0 16px;
  padding-left: 22px;
}

li {
  margin-bottom: 8px;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 1px 3px var(--shadow);
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
}

.card p:last-child {
  margin-bottom: 0;
}

.button {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 15px;
}

.button:hover {
  opacity: 0.9;
}

.meta {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 14px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

footer a {
  color: var(--text-secondary);
}

.nav-links {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
}