.site-hero { max-width: 1100px; margin: 0 auto 8px; padding: 28px 20px 4px; }
.hero-kicker { font-family: "JetBrains Mono", monospace; font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; color: #3ad29f; margin: 0 0 6px; }
.hero-inner h1 { margin: 0 0 10px; }
.hero-sub { max-width: 720px; color: rgba(255,255,255,0.72); line-height: 1.5; margin: 0 0 14px; }
.hero-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.hero-chips span { font-family: "JetBrains Mono", monospace; font-size: 12px; padding: 4px 9px;
  border-radius: 999px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); }
.hero-repo { color: #8ab4ff; text-decoration: none; font-size: 14px; }
.hero-repo:hover { text-decoration: underline; }
.scenario-switch { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.scenario-label { color: rgba(255,255,255,0.6); font-size: 13px; margin-right: 4px; }
.scenario-switch button { font: inherit; font-size: 13px; padding: 7px 13px; border-radius: 999px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.14); color: inherit; cursor: pointer; }
.scenario-switch button.active { background: rgba(58,210,159,0.16); border-color: rgba(58,210,159,0.5); color: #3ad29f; }
.scenario-caption { color: rgba(255,255,255,0.6); font-size: 13px; margin: 8px 0 0; }
.demo-chip { position: fixed; bottom: 14px; right: 14px; z-index: 50; font: 12px "JetBrains Mono", monospace;
  padding: 5px 10px; border-radius: 999px; background: rgba(245,181,74,.16); color: #f5b54a;
  border: 1px solid rgba(245,181,74,.35); }
[data-demo-hide] { display: none !important; }
.site-how { max-width: 1100px; margin: 24px auto 48px; }
.site-how h2 { margin-top: 0; }
.site-how ul { margin: 0; padding-left: 18px; line-height: 1.6; color: rgba(255,255,255,0.78); }
.site-footer { max-width: 1100px; margin: 24px auto 48px; padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,0.6); font-size: 14px; }
.site-footer a { color: #8ab4ff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }