:root {
  --bg: #070b14;
  --bg-soft: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --card: rgba(17, 24, 39, 0.75);
  --border: rgba(148, 163, 184, 0.28);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(circle at top, #0f172a 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(960px, 92vw);
  margin: 0 auto;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}

.links {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.hero {
  padding: 56px 0 28px;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  margin: 0 0 12px;
  line-height: 1.15;
}

.subtitle {
  color: var(--muted);
  max-width: 640px;
  margin: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 30px 0 44px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

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

.cta {
  display: inline-block;
  padding: 11px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: #0b1120;
  font-weight: 600;
}

.cta:hover {
  text-decoration: none;
  opacity: 0.92;
}

.content {
  padding: 24px 0 64px;
}

.content h2 {
  margin-top: 28px;
  margin-bottom: 8px;
  font-size: 22px;
}

.content p,
.content li {
  color: #d1d5db;
}

footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 36px;
  color: var(--muted);
  font-size: 13px;
}