/* TradeHouse marketing -- @empire/app-kit design tokens (shared, F1157). */
:root {
  --th-bg: #0d1117; --th-surface: #161b22; --th-border: #30363d;
  --th-text: #e6edf3; --th-muted: #8b949e; --th-accent: #2f81f7;
  --th-pos: #3fb950; --th-neg: #f85149;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--th-bg); color: var(--th-text);
  font: 15px/1.6 -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--th-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header { padding: 18px 28px; border-bottom: 1px solid var(--th-border);
  display: flex; justify-content: space-between; align-items: center;
  position: sticky; top: 0; background: var(--th-bg); z-index: 10; }
header .brand { font-size: 18px; font-weight: 700; }
header .brand small { color: var(--th-muted); font-weight: 400; }
header nav a { margin-left: 18px; color: var(--th-muted); font-size: 14px; }
main { max-width: 980px; margin: 0 auto; padding: 48px 28px; }
.hero { text-align: center; padding: 32px 0 48px; }
.hero h1 { font-size: 38px; line-height: 1.2; margin-bottom: 14px; }
.hero p { color: var(--th-muted); font-size: 17px; max-width: 640px;
  margin: 0 auto 26px; }
.cta { display: inline-block; padding: 12px 26px; background: var(--th-accent);
  color: #fff; border-radius: 8px; font-weight: 600; }
.cta.ghost { background: transparent; border: 1px solid var(--th-border);
  color: var(--th-text); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px; margin: 36px 0; }
.card { background: var(--th-surface); border: 1px solid var(--th-border);
  border-radius: 10px; padding: 22px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: var(--th-muted); font-size: 14px; }
.card .price { color: var(--th-text); font-weight: 700; font-size: 15px;
  margin-top: 10px; }
.section h2 { font-size: 24px; margin: 40px 0 6px; }
.section .lead { color: var(--th-muted); margin-bottom: 14px; }
ul.feats { list-style: none; margin: 14px 0; }
ul.feats li { padding: 7px 0 7px 24px; position: relative; color: var(--th-muted); }
ul.feats li::before { content: "+"; position: absolute; left: 0;
  color: var(--th-accent); font-weight: 700; }
.posture { background: var(--th-surface); border: 1px dashed var(--th-border);
  border-radius: 10px; padding: 20px 24px; margin: 36px 0; }
.posture strong { color: var(--th-text); }
footer { border-top: 1px solid var(--th-border); padding: 26px 28px;
  color: var(--th-muted); font-size: 12px; text-align: center; }
footer a { color: var(--th-muted); }
.tag { display: inline-block; background: rgba(47,129,247,0.15);
  color: var(--th-accent); font-size: 12px; padding: 3px 10px;
  border-radius: 20px; margin-bottom: 12px; }