:root {
  color-scheme: dark light;
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7ecf3;
  --muted: #9aa7b8;
  --accent: #5b9cff;
  --accent-hover: #84b4ff;
  --border: #2a3648;
  --code-bg: #0b1017;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #152033;
    --muted: #5a677a;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --border: #d8e0ea;
    --code-bg: #eef2f7;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, sans-serif;
  background: radial-gradient(circle at top, #1b2838 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-hover);
}

.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
  position: relative;
}

.lang-switch {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 80%, transparent);
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
}

.lang-switch button[aria-pressed='true'] {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--text);
}

.lang-switch button:hover {
  color: var(--text);
}

.hero {
  margin-bottom: 1.5rem;
  padding-top: 1.5rem;
}

.badge {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
}

h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(2rem, 5vw, 2.6rem);
  letter-spacing: -0.03em;
}

.tagline {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.demo {
  margin: 0 0 1.25rem;
}

.demo img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--code-bg);
}

.demo figcaption {
  margin-top: 0.5rem;
  font-size: 0.88rem;
  color: var(--muted);
  text-align: center;
}

.feature-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.feature-list li {
  margin-bottom: 0.35rem;
}

.feature-list.roadmap li {
  list-style: '→  ';
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.version {
  margin: 1rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.card {
  background: color-mix(in srgb, var(--card) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.hint,
.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.downloads {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border));
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.download-btn:hover {
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  color: var(--text);
}

.download-btn small {
  font-weight: 400;
  color: var(--muted);
}

pre {
  overflow-x: auto;
  margin: 0.75rem 0;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  color: var(--text);
}

.code-block {
  margin: 0.5rem 0 0.75rem;
}

.code-block code {
  white-space: pre-wrap;
  color: var(--text);
}

.footer {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.error {
  color: #f87171;
}