:root {
  color-scheme: light;
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.10);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --brand: #7c5cff;
  --brand2: #23d5ab;
  --link: #a7b8ff;
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.50);
  --max: 980px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background:
    radial-gradient(800px 500px at 20% 0%, rgba(124, 92, 255, 0.35), transparent 60%),
    radial-gradient(700px 500px at 80% 10%, rgba(35, 213, 171, 0.22), transparent 65%),
    radial-gradient(900px 600px at 50% 100%, rgba(124, 92, 255, 0.18), transparent 65%),
    var(--bg);
  color: var(--text);
}

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

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 18px 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 12px 30px rgba(124, 92, 255, 0.25);
}

.brand h1 {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.2px;
}

.brand .sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.10);
}

.hero {
  margin-top: 24px;
  padding: 26px 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(
    135deg,
    rgba(124, 92, 255, 0.18),
    rgba(35, 213, 171, 0.10)
  );
  box-shadow: var(--shadow);
}

.hero h2 {
  margin: 0 0 10px;
  font-size: 26px;
  letter-spacing: -0.4px;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  max-width: 70ch;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.button:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.22);
}

.button.primary {
  border-color: rgba(124, 92, 255, 0.55);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.42), rgba(35, 213, 171, 0.18));
}

a[aria-disabled="true"] {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

.bullets {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.bullets li { margin: 6px 0; line-height: 1.55; }

.grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card {
  grid-column: span 12;
  padding: 16px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

@media (min-width: 860px) {
  .card.half { grid-column: span 6; }
}

.card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.card p,
.card li {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.card ul { margin: 10px 0 0; padding-left: 18px; }

.mediaPlaceholder {
  margin-top: 12px;
  border-radius: 16px;
  border: 1px dashed rgba(255, 255, 255, 0.20);
  background: rgba(255, 255, 255, 0.04);
  padding: 18px;
  color: rgba(255, 255, 255, 0.70);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

details.faq {
  margin-top: 10px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

details.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.88);
}

details.faq p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.footer {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
}

.doc {
  margin-top: 16px;
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.doc h2 { margin: 0 0 10px; font-size: 20px; }

.doc h3 { margin: 18px 0 8px; font-size: 14px; }

.doc p { margin: 8px 0; color: var(--muted); line-height: 1.6; }

hr {
  border: 0;
  height: 1px;
  margin: 16px 0;
  background: rgba(255, 255, 255, 0.14);
}