: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)}
/* the header spans site width; only the article column stays narrow */
.sitehead .wrap{max-width:1060px}
nav .links a,.navdrop>button{white-space:nowrap}
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)}
nav .links{display:flex;gap:30px;align-items:center;font-size:16px;font-weight:500}
nav .links a{color:var(--ink);text-decoration:none;opacity:.75}
nav .links a:hover{opacity:1}
nav .links a.btn{opacity:1}
.navdrop{position:relative}
.navdrop>button{background:none;border:none;font:inherit;font-weight:500;color:var(--ink);opacity:.75;cursor:pointer;padding:0}
.navdrop:hover>button,.navdrop:focus-within>button{opacity:1}
.navdrop .dd{display:none;position:absolute;top:100%;left:-14px;padding-top:12px;z-index:60}
.navdrop:hover .dd,.navdrop:focus-within .dd,.navdrop.open .dd{display:block}
.dd .ddin{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 18px 40px -20px rgba(17,24,39,.35);padding:8px;min-width:230px}
.dd .ddin a{display:block;padding:9px 14px;border-radius:8px;font-size:15px;color:var(--ink);text-decoration:none;opacity:1;white-space:nowrap}
.dd .ddin a:hover{background:var(--canvas);color:var(--brand-ink)}
@media(max-width:700px){.navdrop{display:none}}
.burger{display:none;background:none;border:none;padding:10px 4px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
.mobilemenu{display:none}
@media(max-width:700px){
  nav .links{display:none}
  .burger{display:block}
  .mobilemenu.open{display:block;border-top:1px solid var(--border);padding:10px 0 18px}
  .mobilemenu a{display:block;padding:11px 0;font-size:17px;font-weight:500;color:var(--ink);text-decoration:none}
  .mobilemenu .grouplabel{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:14px 0 2px}
  .mobilemenu a.btn{display:inline-block;margin-top:12px;padding:11px 26px;color:var(--ink)}
}
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}
.sitefoot{background:var(--ink);color:#9CA3AF;margin-top:72px;padding:56px 24px 32px;font-size:16px}
.sitefoot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;max-width:1060px;margin:0 auto}
@media(max-width:640px){.sitefoot .cols{grid-template-columns:1fr}}
.sitefoot .word{color:#fff}
.sitefoot .tag{margin-top:12px;font-size:15px;color:#9CA3AF;max-width:26em}
.sitefoot h4{color:#fff;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 14px}
.sitefoot a{display:block;color:#9CA3AF;text-decoration:none;margin-bottom:11px;font-size:16px}
.sitefoot a:hover{color:var(--brand)}
.sitefoot .base{max-width:1060px;margin:40px auto 0;padding-top:20px;border-top:1px solid #1F2937;font-size:13px;color:#6B7280}
.sitefoot .credit{margin-top:14px;text-align:center;font-size:13px;color:#6B7280}
.sitefoot .credit a{display:inline;color:#9CA3AF;margin:0;text-decoration:underline}
.sitefoot .credit a:hover{color:var(--brand)}