:root {
  --bg: #0b0f19;
  --panel: #121826;
  --panel2: #1a2233;
  --border: #243044;
  --fg: #e8edf5;
  --muted: #8b949e;
  --accent: #1e4bd1;
  --accent-hover: #2956e0;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: inherit; }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 8vw;
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 34px;
  background: var(--accent);
  border-radius: 4px;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}
nav { display: flex; align-items: center; gap: 18px; }
nav a { text-decoration: none; color: var(--muted); font-size: 0.95rem; }
nav a:hover { color: var(--fg); }

.hero { padding: 72px 8vw 40px; max-width: 920px; }
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 700;
  margin: 0 0 12px;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 18px;
  font-weight: 700;
}
.lead { color: var(--muted); max-width: 560px; margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 700;
}
.btn:hover { background: var(--accent-hover); }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
}
.btn.ghost:hover { background: var(--panel2); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 8px 8vw 48px;
}
.grid article {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.grid h2 { font-size: 1.05rem; margin: 0 0 8px; }
.grid p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.panel {
  margin: 0 8vw 64px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  max-width: 480px;
}
.panel h2 { margin: 0 0 8px; }
.muted { color: var(--muted); margin: 0 0 20px; }
.soon label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 12px;
}
.soon input, .soon button {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--fg);
  font: inherit;
}
.soon button, form button {
  background: var(--accent);
  border: 0;
  color: #fff;
  font-weight: 700;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}
.soon button:disabled, form button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
form label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 12px;
}
form input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--fg);
  font: inherit;
}
.hint { color: var(--muted); font-size: 0.85rem; margin: 14px 0 0; }
.hint a { color: var(--fg); }
.hint.ok { color: #3fb950; }
.hint.err { color: #f85149; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 18px 8vw 32px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .hero { padding-top: 40px; }
}