:root {
  --bg: #07101d;
  --card: #0f1b2e;
  --card-2: #13243c;
  --text: #eaf2ff;
  --muted: #9db2cf;
  --accent: #14b8a6;
  --accent-2: #38bdf8;
  --border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 0%, #123256, var(--bg) 45%);
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.back-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.hero {
  border: 1px solid var(--border);
  background: linear-gradient(140deg, rgba(20, 184, 166, 0.12), rgba(56, 189, 248, 0.08));
  border-radius: 24px;
  padding: 36px;
}

.kicker {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #7de6db;
  font-weight: 700;
  margin: 0;
}

h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 5.5vw, 58px);
  line-height: 1.05;
}

.hero p {
  margin-top: 16px;
  max-width: 760px;
  color: #c9dbf5;
  font-size: 18px;
  line-height: 1.75;
}

.cta-row {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #04141a;
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
}

.grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

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

.card h3 {
  margin: 0;
  font-size: 17px;
}

.card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

.flow {
  margin-top: 28px;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  background: var(--card-2);
}

.flow h2 {
  margin: 0;
  font-size: 24px;
}

.flow ol {
  margin: 14px 0 0;
  padding-left: 20px;
  color: #d3e3f8;
  line-height: 1.8;
}

.footer-note {
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
}