:root {
  --bg: #0b1220;
  --panel: #111b2e;
  --ink: #eaf0ff;
  --muted: #aab8d8;
  --accent: #2f81f7;
  --accent-strong: #1b4fd6;
  --border: rgba(120, 160, 255, 0.22);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(circle at 20% 15%, rgba(47, 129, 247, 0.28), transparent 55%),
    radial-gradient(circle at 80% 10%, rgba(34, 211, 238, 0.18), transparent 60%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.landing {
  max-width: 960px;
  margin: 0 auto;
  padding: 72px 24px 96px;
  display: grid;
  gap: 40px;
}

.landing__header {
  background: rgba(17, 27, 46, 0.85);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  display: grid;
  gap: 16px;
}

.landing__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
}

h1 {
  margin: 0;
  font-size: 40px;
  line-height: 1.1;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  background: rgba(12, 24, 48, 0.6);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  border-color: transparent;
  color: #0b1220;
}

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

.landing__grid article {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  background: rgba(12, 18, 32, 0.85);
}

.landing__grid h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

@media (max-width: 720px) {
  h1 {
    font-size: 32px;
  }
}