:root {
  --bg: #f7fbff;
  --bg-accent: #e8f3ff;
  --text: #0f1d2e;
  --muted: #4c5d70;
  --card: #ffffff;
  --border: #d7e5f4;
  --primary: #0f72d8;
  --primary-ink: #ffffff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
  line-height: 1.55;
}

.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 18px 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a {
  display: inline-block;
  text-decoration: none;
  color: var(--text);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 11px;
  font-size: 0.9rem;
}

.hero,
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 4px 18px rgba(19, 74, 128, 0.05);
}

.hero h1,
.card h1 {
  margin: 0 0 10px;
  font-size: clamp(1.45rem, 1.2rem + 1vw, 2rem);
  line-height: 1.22;
}

.hero p,
.card p {
  margin: 0 0 10px;
  color: var(--muted);
}

.cta-row {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px;
  padding: 9px 14px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn.primary {
  background: var(--primary);
  color: var(--primary-ink);
}

.btn.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: #fff;
}

.section {
  margin-top: 15px;
}

.section h2 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.section ul {
  margin: 8px 0 0 20px;
  padding: 0;
}

.section li {
  margin: 5px 0;
}

.footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .wrap {
    padding-top: 18px;
  }
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}