:root {
  --bg: #0f172a;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --soft: #e2e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: #f8fafc;
}

.container {
  width: min(900px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  background: linear-gradient(135deg, var(--bg), #1e293b);
  color: white;
  padding: 5rem 0;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  opacity: 0.8;
}

h1,
h2 {
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  margin-bottom: 1rem;
}

.subtitle {
  max-width: 42rem;
  font-size: 1.1rem;
  color: #dbeafe;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.85rem 1.2rem;
  background: var(--accent);
  color: white;
  text-decoration: none;
  border-radius: 0.6rem;
  font-weight: 700;
}

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

.section {
  padding: 3rem 0;
}

.section.alt {
  background: var(--soft);
}

ul {
  padding-left: 1.25rem;
}

.footer {
  padding: 2rem 0;
  border-top: 1px solid #cbd5e1;
  color: var(--muted);
  background: white;
}