:root {
  --bg: #0b1020;
  --panel: rgba(17, 22, 39, 0.75);
  --border: rgba(148, 163, 184, 0.25);
  --text: #f9fafb;
  --muted: #9ca3af;
  --accent: #34d399;
  --accent2: #0ea5e9;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, #1f2937, #020617 55%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 16px 28px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mark {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: radial-gradient(circle at 30% 20%, #22c55e, #0ea5e9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0b1120;
  font-weight: 900;
  font-size: 18px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.9);
}

.brand-name { font-weight: 700; }
.brand-tag { color: var(--muted); font-size: 12px; margin-top: 2px; }

.lang {
  display: inline-flex;
  padding: 3px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.85);
  font-size: 12px;
}

.lang a {
  padding: 4px 10px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
}

.lang a.active {
  background: rgba(52, 211, 153, 0.15);
  color: var(--accent);
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.15;
}

.sub {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  max-width: 720px;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  min-width: 200px;
}

.btn.primary {
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  color: #0b1120;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.35);
}

.btn.secondary {
  background: rgba(15, 23, 42, 0.9);
  color: var(--muted);
  border-color: rgba(148, 163, 184, 0.6);
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 14px;
}

.card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 18px;
  padding: 14px 14px 12px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.55);
}

.card h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.55;
  font-size: 13px;
}

.card ol {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 13px;
}

.pill {
  display: inline-block;
  margin: 6px 0 8px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.35);
  font-size: 13px;
}

.muted { color: var(--muted); font-size: 12px; margin-top: 0; }

.foot {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.link {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
}

.link:hover { color: var(--text); }

@media (min-width: 760px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 34px; }
}