:root{
  --bg:#f3f6f8; --surface:#fff; --ink:#15212b; --muted:#566573; --line:#e1e8ed;
  --brand:#0a84c4; --brand-ink:#086699; --accent:#19b79a; --warn:#c0532b;
  --tint:#e4f1f8; --radius:14px; --wrap:1060px; --shadow:0 1px 2px rgba(21,33,43,.05),0 8px 22px rgba(21,33,43,.07);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.65;font-size:17px}
h1,h2,h3{font-family:'Outfit',system-ui,sans-serif;line-height:1.2;letter-spacing:-.015em}
a{color:var(--brand-ink);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;border-radius:8px}
header.site{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Outfit';font-weight:800;font-size:20px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .logo{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-size:18px}
.brand small{display:block;font-weight:500;font-size:11.5px;color:var(--muted)}
.main-nav{display:flex;gap:4px;flex-wrap:wrap}
.main-nav a{color:var(--muted);font-weight:500;font-size:14.5px;padding:8px 11px;border-radius:9px}
.main-nav a:hover{color:var(--ink);background:var(--tint);text-decoration:none}
.main-nav a[aria-current]{color:var(--brand-ink);background:var(--tint)}
.crumbs{font-size:13.5px;color:var(--muted)}.crumbs .wrap{padding-top:14px}.crumbs a{color:var(--muted)}.crumbs span{margin:0 7px;color:#aebecb}
main{padding:22px 20px 60px;min-height:50vh}
.hero{background:linear-gradient(160deg,#fff,var(--tint));border:1px solid var(--line);border-radius:var(--radius);padding:40px 34px;box-shadow:var(--shadow);margin-top:10px}
.hero.slim{padding:28px 30px}
.hero h1{font-size:clamp(27px,4vw,40px);margin:0 0 12px;max-width:17ch}
.lede{font-size:18.5px;color:var(--muted);max-width:64ch;margin:0}
.hero-cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--brand);color:#fff;font-weight:600;padding:12px 20px;border-radius:10px}
.btn:hover{background:var(--brand-ink);text-decoration:none}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.ghost:hover{background:var(--tint)}
.band{margin-top:40px}.band h2{font-size:22px;margin:0 0 16px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .12s,border-color .12s}
.card:hover{text-decoration:none;transform:translateY(-2px);border-color:#bcd6e4}
.card h3{margin:0 0 7px;font-size:16.5px}.card p{margin:0;color:var(--muted);font-size:14px}
.list{display:grid;gap:12px}
.row{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.row:hover{text-decoration:none;border-color:#bcd6e4}
.row strong{display:block;font-family:'Outfit';font-size:16.5px}.row span{color:var(--muted);font-size:14.5px}
.note-box{margin-top:36px;background:var(--tint);border:1px solid #cbe6f2;border-radius:12px;padding:18px 20px;font-size:15px;color:#2b4a59}
.article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:38px 42px;box-shadow:var(--shadow);max-width:760px;margin:10px auto 0}
.article h1{font-size:clamp(25px,3.4vw,33px);margin:0 0 14px}.article .lede{font-size:18px;margin:0 0 8px}
.prose{font-size:17px}.prose h2{font-size:21px;margin:30px 0 10px}.prose p{margin:0 0 15px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}.prose li{margin:0 0 9px}
.prose ol.steps{counter-reset:s;list-style:none;padding-left:0}.prose ol.steps li{position:relative;padding:0 0 14px 44px}
.prose ol.steps li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:-2px;width:30px;height:30px;border-radius:50%;background:var(--tint);color:var(--brand-ink);font-weight:700;display:grid;place-items:center;font-size:14px}
.callout{background:var(--tint);border-left:4px solid var(--brand);border-radius:0 10px 10px 0;padding:14px 18px;margin:18px 0;font-size:15.5px}
.callout.warn{background:#fdf0ec;border-left-color:var(--warn);color:#7a3418}
.faq{margin-top:34px;border-top:1px solid var(--line);padding-top:22px}.faq h2{font-size:21px;margin:0 0 12px}
.faq details{border:1px solid var(--line);border-radius:10px;padding:4px 16px;margin:0 0 10px;background:#fff}
.faq summary{cursor:pointer;font-weight:600;padding:11px 0;font-family:'Outfit';font-size:15.5px}
.faq details[open] summary{color:var(--brand-ink)}.faq p{margin:0 0 12px;color:var(--muted)}
.related{margin-top:30px;background:var(--tint);border-radius:12px;padding:16px 20px}.related h2{font-size:17px;margin:0 0 8px}.related ul{margin:0;padding-left:18px}.related li{margin:4px 0}
footer.site{background:#14222c;color:#b9c7d1;margin-top:40px}
footer .foot{display:grid;grid-template-columns:2fr 1fr;gap:30px;padding:36px 20px 24px}
footer strong{color:#fff;font-family:'Outfit'}
.disclaimer{font-size:13px;color:#8699a6;margin:10px 0 0;max-width:66ch}
footer nav{display:flex;flex-direction:column;gap:8px}footer nav a{color:#b9c7d1;font-size:14.5px}footer nav a:hover{color:#fff}
.copy{border-top:1px solid #203642;padding:16px 20px;font-size:13px;color:#8699a6}
@media(max-width:860px){.cards{grid-template-columns:1fr 1fr}.article{padding:26px 22px}footer .foot{grid-template-columns:1fr}}
@media(max-width:560px){body{font-size:16px}.cards{grid-template-columns:1fr}.main-nav{display:none}.hero{padding:28px 22px}}