:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #5f6b7a;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --border: #d8e1ee;
  --shadow: 0 18px 40px rgba(37, 99, 235, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #eef4ff 0%, var(--bg) 100%);
  color: var(--text);
}

.container {
  width: min(1100px, calc(100% - 3rem));
  margin: 0 auto;
}

.hero {
  padding: 6rem 0 4rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1rem;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1;
}

.lead {
  max-width: 60ch;
  margin-bottom: 2rem;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-block;
  padding: 0.9rem 1.3rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.button.primary:hover {
  background: var(--primary-dark);
}

.button.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.8);
}

.section {
  padding: 1rem 0 4rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card,
.highlight {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.card {
  padding: 1.5rem;
}

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

.highlight {
  padding: 2rem;
  margin-bottom: 4rem;
}

code,
pre {
  font-family: Consolas, "Courier New", monospace;
}

pre {
  overflow-x: auto;
  padding: 1rem;
  border-radius: 12px;
  background: #0f172a;
  color: #e2e8f0;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 4rem;
  }

  .container {
    width: min(100% - 2rem, 1100px);
  }
}
