:root {
  --bg: #f3f4f6;
  --ink: #111827;
  --muted: #64748b;
  --card: #ffffff;
  --line: #dbe3ee;
  --blue: #2563eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

.site-shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-size: 24px;
  font-weight: 950;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 800;
}

.hero,
.content-card {
  background: var(--card);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, .06);
}

.hero {
  display: grid;
  gap: 14px;
}

.eyebrow {
  margin: 0;
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 28px 0 8px;
  font-size: 24px;
  line-height: 1.2;
}

p,
li {
  color: var(--muted);
  font-weight: 650;
}

.lead {
  margin: 0;
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  padding: 10px 16px;
  text-decoration: none;
  font-weight: 900;
}

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

.button.secondary {
  background: #e8eef7;
  color: var(--ink);
}

.content-card {
  margin-top: 16px;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

.mini-card h2 {
  margin-top: 0;
}

.site-footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

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

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .content-card {
    padding: 22px;
    border-radius: 20px;
  }

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