/* Triumvir Labs — mobile-first, self-contained (no external resources). */
:root{
  --bg:#0b1020; --panel:#141b33; --ink:#eaf0ff; --muted:#9fb0d4; --line:#263251;
  --brand:#6ea8fe; --brand-ink:#0b1020; --good:#49d6a1; --plan:#ffd479; --maxw:720px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
a{color:var(--brand);text-decoration:none}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(11,16,32,.9);backdrop-filter:blur(8px)}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);font-size:1.05rem}
.mark{width:18px;height:18px;border-radius:4px;
  background:linear-gradient(135deg,var(--brand),#b78bff);display:inline-block}
.bar nav{display:flex;gap:14px;font-size:.92rem}
main{max-width:var(--maxw);margin:0 auto;padding:16px}
.hero{padding:28px 4px 8px}
.eyebrow{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.74rem;margin:0 0 10px}
h1{font-size:clamp(1.6rem,6vw,2.4rem);line-height:1.15;margin:.1em 0 .3em}
.lede{color:var(--muted);font-size:1.02rem;margin:0 0 18px}
.cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-block;padding:12px 18px;border-radius:10px;border:1px solid var(--line);
  color:var(--ink);background:var(--panel);font-weight:600;min-height:44px}
.btn.primary{background:var(--brand);color:var(--brand-ink);border-color:transparent}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;margin:16px 0}
h2{font-size:1.25rem;margin:0 0 10px}
h3{font-size:1rem;margin:0 0 8px;color:var(--muted)}
.cols{display:grid;gap:16px}
@media(min-width:560px){.cols{grid-template-columns:1fr 1fr}}
ul{margin:0;padding-left:1.1em}
li{margin:.25em 0}
ul.good li::marker{color:var(--good)}
ul.plan li::marker{color:var(--plan)}
label{display:block;font-size:.85rem;color:var(--muted);margin:10px 0 6px}
textarea,input{width:100%;padding:12px;border-radius:10px;border:1px solid var(--line);
  background:#0e1430;color:var(--ink);font:inherit;min-height:44px}
form .btn{margin-top:12px;width:100%}
.answer{margin-top:12px;padding:12px;border-radius:10px;background:#0e1430;border:1px solid var(--line);color:var(--muted)}
.note{color:var(--muted);font-size:.82rem;margin-top:10px}
.foot{max-width:var(--maxw);margin:24px auto;padding:16px;color:var(--muted);font-size:.82rem;border-top:1px solid var(--line)}
@media(prefers-color-scheme:light){
  :root{--bg:#f4f7ff;--panel:#fff;--ink:#101828;--muted:#5a6a8a;--line:#dfe6f5;--brand:#2563eb;--brand-ink:#fff}
  textarea,input{background:#fff}.answer{background:#f4f7ff}
  .bar{background:rgba(244,247,255,.9)}
}