:root{--ink:#16181D;--ink-2:#3A3F4B;--muted:#4A4F5C;--accent:#FF8A3D;--sand:#F4F2EE;--line:#ECEAE6;--ok:#146C43;--ok-bg:#E3F2E8;--err:#B3261E;--err-bg:#FDECEA}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font-family:Inter,system-ui,sans-serif;line-height:1.65}
a{color:var(--ink)}a:hover{color:var(--muted)}
header{border-bottom:1px solid var(--line)}
.bar{max-width:1080px;margin:0 auto;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand span{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:24px;letter-spacing:-.03em}
.nav{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:center;font-size:15px;font-weight:500}
.nav a{text-decoration:none}
.nav .cta{background:var(--ink);color:#fff;border-radius:999px;padding:10px 16px}
.nav .cta:hover{color:#fff;opacity:.9}
main{max-width:760px;margin:0 auto;padding:36px 20px 64px}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 14px}.crumbs a{color:var(--muted)}
h1{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;letter-spacing:-.02em;font-size:clamp(32px,6vw,46px);line-height:1.08;margin:0 0 12px}
h2{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;letter-spacing:-.01em;font-size:26px;margin:44px 0 10px;line-height:1.2}
h3{font-size:18px;margin:26px 0 6px;line-height:1.35}
p,li{font-size:17px;color:var(--ink-2)}
ul,ol{padding-left:22px}li{margin:4px 0}
.lede{font-size:19px;color:var(--ink-2);margin:0 0 8px}
.meta{color:var(--muted);font-size:14px;margin:0 0 26px}
.box{background:var(--sand);border-radius:16px;padding:18px 22px;margin:22px 0}
.box p:first-child{margin-top:0}.box p:last-child,.box ul:last-child{margin-bottom:0}
.do{background:var(--ok-bg)}.dont{background:var(--err-bg)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin:18px 0}
.cols .box{margin:0}
.cols h3{margin-top:0}
table{width:100%;border-collapse:collapse;font-size:16px;margin:18px 0}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-size:14px}
details{border-bottom:1px solid var(--line);padding:14px 0}
details summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:12px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';font-size:22px;line-height:1;color:var(--muted)}
details[open] summary::after{content:'–'}
details p{margin:10px 0 0}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.toc a{font-size:14px;font-weight:500;text-decoration:none;border:1.5px solid var(--line);border-radius:999px;padding:6px 12px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:24px 0}
.cards a{display:flex;flex-direction:column;gap:6px;background:var(--sand);border-radius:18px;padding:20px;text-decoration:none}
.cards a b{font-size:19px;line-height:1.3}
.cards a span{color:var(--ink-2);font-size:15px}
.cta-box{background:var(--ink);color:#fff;border-radius:20px;padding:26px;margin:44px 0 0}
.cta-box p{color:#C9CCD3}.cta-box h2{color:#fff;margin-top:0}
.cta-box a{display:inline-block;background:var(--accent);color:var(--ink);font-weight:600;text-decoration:none;border-radius:999px;padding:12px 20px}
.note{font-size:14px;color:var(--muted)}
footer{border-top:1px solid var(--line)}
footer .bar{font-size:14px;color:var(--muted)}
footer .bar a{color:var(--muted)}