:root {
  --bg: #0c0c0c;
  --bg-dark: #070707;
  --text: #f2f2f2;
  --muted: #b5b5b5;
  --accent: #ff3b3b;
  --card: #121212;
  --line: #1f1f1f;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.narrow {
  max-width: 680px;
}

.header {
  border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,0.7);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
}

.logo {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 12px;
}

.tagline {
  font-size: 0.85rem;
  color: var(--muted);
}

.hero {
  padding: 80px 0;
  text-align: center;
}

.hero h2 {
  font-size: clamp(32px, 5vw, 52px);
  margin-bottom: 10px;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
}

.section {
  padding: 70px 0;
}

.section.dark {
  background: var(--bg-dark);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section h3 {
  font-size: 32px;
  margin-bottom: 24px;
}

.strong {
  font-weight: 700;
  font-size: 1.2rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.card h4 {
  margin-top: 0;
}

.card ul {
  padding-left: 18px;
  color: var(--muted);
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.steps span {
  color: var(--accent);
  font-weight: 700;
}

.no-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cta {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(135deg, #ff3b3b, #a40000);
}

.cta h3 {
  font-size: 36px;
  margin-bottom: 10px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.btn.light {
  background: #fff;
  color: #000;
}

.footer {
  padding: 30px 0;
  text-align: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.small {
  font-size: 0.8rem;
}