:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --primary: #4f46e5;
  --secondary: #10b981;
  --accent: #f97316;
  --border: #0f172a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 34%, #fff7ed 100%);
  color: var(--text);
  line-height: 1.6;
}

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

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 800;
  text-decoration: none;
}

.nav-link,
.button {
  display: inline-block;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  padding: 10px 16px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  box-shadow: 3px 3px 0 var(--border);
}

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

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

.hero,
.section,
.footer {
  border: 2px solid var(--border);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 6px 6px 0 var(--border);
}

.hero {
  padding: 36px;
  margin-bottom: 24px;
}

.section {
  padding: 28px;
  margin-bottom: 20px;
}

.eyebrow {
  display: inline-block;
  background: #fbbf24;
  border: 2px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.15;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

h2 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
}

p,
li {
  color: var(--muted);
  font-size: 1rem;
}

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

.card {
  border: 2px solid var(--border);
  border-radius: 20px;
  background: #fff;
  padding: 20px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.footer {
  padding: 24px;
  margin: 28px 0 12px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

@media (max-width: 640px) {
  .shell {
    padding: 16px;
  }

  .hero,
  .section,
  .footer {
    padding: 20px;
    border-radius: 22px;
  }
}