:root{
  --brand:#16EFB5; --brand-hover:#0EDDA6; --brand-ink:#0A7D63;
  --ink:#111827; --muted:#6B7280; --canvas:#F9FAFB; --card:#fff; --border:#E5E7EB;
}
*{box-sizing:border-box;margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--canvas);color:var(--ink);line-height:1.65;font-size:17px}
.wrap{max-width:720px;margin:0 auto;padding:0 24px}
a{color:var(--brand-ink)}
.sitehead{position:sticky;top:0;z-index:50;background:rgba(249,250,251,.88);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.lockup{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.word{font-weight:800;letter-spacing:.15em;font-size:19px}
.word .dot{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:var(--ink);font-weight:600;
  padding:9px 22px;border-radius:10px;text-decoration:none;border:none;font-size:15px;cursor:pointer}
.btn:hover{background:var(--brand-hover)}
article{padding:56px 0 40px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-ink)}
h1{font-size:clamp(28px,4.5vw,40px);line-height:1.12;letter-spacing:-.02em;font-weight:800;
  margin:10px 0 18px;text-wrap:balance}
.lede{font-size:19px;color:var(--muted)}
h2{font-size:22px;font-weight:800;letter-spacing:-.01em;margin:40px 0 12px}
p{margin:0 0 16px}
ul{margin:0 0 16px;padding-left:22px}
li{margin-bottom:10px}
li b{color:var(--ink)}
.callout{border-left:3px solid var(--brand);background:var(--card);border-radius:0 10px 10px 0;
  padding:16px 20px;margin:28px 0;font-size:15.5px}
.cta{background:var(--ink);border-radius:16px;padding:36px 32px;color:#fff;margin:48px 0}
.cta h2{color:#fff;margin:0 0 10px}
.cta p{color:#9CA3AF;font-size:15.5px}
.cta .btn{margin-top:8px}
footer{padding:24px 0 56px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);border-top:1px solid var(--border)}
footer a{color:var(--muted);text-decoration:none;margin-left:18px}
footer a:hover{color:var(--ink)}