:root {
  --bg: #0e1116;
  --surface: #171c24;
  --border: #262d38;
  --text: #e8ecf1;
  --muted: #9aa4b2;
  --accent: #4f9cf9;
  --accent-hover: #3b86e6;
  --code-bg: #0a0d11;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

code, pre {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
}

code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  white-space: nowrap;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-top: 10px;
  overflow-x: auto;
}

pre code { background: none; border: none; padding: 0; }

/* nav */

.nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 1.1rem; }

.brand-icon { width: 22px; height: 22px; color: var(--accent); }

.version-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1px 10px;
}

/* buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 10px;
  transition: background 0.15s ease;
}

.btn:hover { background: var(--accent-hover); }

.btn-small { font-size: 0.85rem; padding: 8px 16px; }

.btn-large { font-size: 1.05rem; padding: 14px 28px; }

.btn-large svg { width: 20px; height: 20px; }

/* hero */

main { max-width: 960px; margin: 0 auto; padding: 0 24px; }

.hero { text-align: center; padding: 88px 0 64px; }

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 640px;
  margin: 0 auto 18px;
}

.lede { color: var(--muted); font-size: 1.15rem; max-width: 620px; margin: 0 auto 32px; }

.cta-row .req { margin-top: 14px; color: var(--muted); font-size: 0.9rem; }

/* screenshot */

.shot { padding: 0 0 64px; text-align: center; }

.shot img {
  max-width: 560px;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

/* features */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 64px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}

.card svg { width: 24px; height: 24px; color: var(--accent); margin-bottom: 12px; }

.card h2 { font-size: 1rem; margin-bottom: 6px; }

.card p { color: var(--muted); font-size: 0.92rem; }

/* install */

.install {
  border-top: 1px solid var(--border);
  padding: 48px 0 64px;
  max-width: 680px;
}

.install h2 { font-size: 1.4rem; margin-bottom: 18px; }

.install ol { padding-left: 22px; display: flex; flex-direction: column; gap: 14px; }

/* footer */

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 720px) {
  .hero h1 { font-size: 1.9rem; }
  .features { grid-template-columns: 1fr; }
  .btn-small { display: none; }
}