:root{--ink:#14202e;--muted:#5a6878;--line:#e3e8ef;--bg:#f6f8fb;--card:#fff;--brand:#c2410c;--brand-d:#9a3412;--warn:#b45309;--warn-bg:#fff7e6;--pro:#b42318;--pro-bg:#fef3f2;--ok-bg:#fff4ed;--r:12px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}.narrow{max-width:calc(68ch + 40px)}
main{padding:28px 20px 56px}
h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.2;letter-spacing:-.02em;margin:.3em 0 .4em}
h2{font-size:1.4rem;line-height:1.3;letter-spacing:-.01em;margin:2.2em 0 .6em}h3{font-size:1.05rem;margin:0 0 .3em}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.hdr{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-size:1.25rem;font-weight:600;letter-spacing:-.01em}.logo:hover{text-decoration:none}.logo b{color:var(--brand)}
.nav a{color:var(--muted);font-weight:500;margin-left:22px;font-size:.95rem}.nav a:hover{color:var(--ink);text-decoration:none}
.hero{text-align:center;padding:48px 0 20px;max-width:760px;margin:0 auto}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);background:var(--ok-bg);padding:4px 12px;border-radius:99px}
.hero h1{font-size:clamp(2rem,5vw,3rem)}.lead{color:var(--muted);font-size:1.12rem;max-width:62ch;margin:0 auto 1.4em}
.search{display:flex;align-items:center;gap:10px;background:#fff;border:2px solid var(--line);border-radius:14px;padding:6px 16px;box-shadow:0 6px 24px rgba(16,40,80,.08);max-width:640px;margin:0 auto}
.search:focus-within{border-color:var(--brand)}.search input{flex:1;border:0;outline:0;font:inherit;font-size:1.1rem;padding:12px 0;background:transparent;min-width:0}
.sr{position:absolute;left:-9999px}
.trust{list-style:none;padding:0;margin:18px 0 0;display:flex;justify-content:center;flex-wrap:wrap;gap:8px 22px;color:var(--muted);font-size:.92rem}
.sec{font-size:1.25rem;margin:2.2em 0 .8em}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.cat,.guide{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;color:var(--ink);display:flex;flex-direction:column;gap:4px;transition:box-shadow .15s,border-color .15s,transform .15s}
.cat:hover,.guide:hover{text-decoration:none;border-color:#b9cdf0;box-shadow:0 8px 24px rgba(16,40,80,.08);transform:translateY(-2px)}
.cat-ico{font-size:1.6rem;width:46px;height:46px;display:grid;place-items:center;background:var(--ok-bg);border-radius:10px;margin-bottom:6px}
.cat small,.guide p,.meta,.muted{color:var(--muted)}.guide p{font-size:.95rem;margin:0}.guide h3{margin-top:8px}.meta{font-size:.85rem;margin-top:auto;padding-top:8px}
.guides{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}.guide[hidden]{display:none}
.pill{display:inline-block;font-size:.8rem;font-weight:600;padding:3px 10px;border-radius:99px;background:#eef1f5;color:var(--muted);align-self:flex-start}
.pill.code{background:var(--ink);color:#fff;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.more{font-weight:600}.empty{color:var(--muted)}
.crumbs{font-size:.88rem;color:var(--muted)}.crumbs span{margin:0 4px;color:#aab4c0}
.meta-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.byline{color:var(--muted);font-size:.9rem;margin:0 0 1.4em}
.quick{background:var(--ok-bg);border:1px solid #fed7aa;border-left:5px solid var(--brand);border-radius:var(--r);padding:16px 20px;font-size:1.06rem}
.quick-h{font-weight:700;color:var(--brand-d);text-transform:uppercase;font-size:.8rem;letter-spacing:.06em}.quick p{margin:.3em 0 0}
.toc{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;margin:22px 0 0;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:.9rem}.toc b{color:var(--muted);font-weight:600}
section{scroll-margin-top:80px}
.checks{list-style:none;padding:0}.checks li{position:relative;padding:6px 0 6px 28px;border-bottom:1px dashed var(--line)}.checks li:before{content:"";position:absolute;left:4px;top:15px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;position:relative;padding:4px 0 14px 46px}
.steps li:before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;font-size:.9rem;display:grid;place-items:center}
.callout{border-radius:var(--r);padding:16px 20px;margin:1em 0}.callout p{margin:.3em 0 0}
.callout.warn{background:var(--warn-bg);border:1px solid #f6d79b;color:#5c3a06}.callout.warn b{color:var(--warn)}
.callout.pro{background:var(--pro-bg);border:1px solid #f9c9c4;border-left:5px solid var(--pro);margin-top:2.2em}.callout.pro h2{margin:.2em 0 .4em;color:var(--pro)}.callout.pro ul{margin:0;padding-left:1.2em}.callout.pro li{margin:.35em 0}
.parts{display:grid;gap:12px}.part{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.part-ico{flex:none;width:42px;height:42px;border-radius:10px;background:var(--ok-bg);color:var(--brand);display:grid;place-items:center;font-size:1.3rem}
.part p{margin:0 0 10px;color:var(--muted);font-size:.95rem}
.btn{display:inline-block;background:var(--brand);color:#fff;font-size:.82rem;font-weight:600;padding:7px 12px;border-radius:8px;word-break:break-all}
.sources{padding-left:1.3em;font-size:.93rem}.sources li{margin:.5em 0}
.note{margin-top:2.5em;padding-top:1em;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
.dir{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:4px 22px 14px;margin:18px 0}.dir h2{margin:.8em 0 .3em}
.dirlist{list-style:none;padding:0}.dirlist li{padding:8px 0;border-bottom:1px solid var(--line)}.dirlist li:last-child{border:0}
.site-footer{background:#0f1a27;color:#b7c2cf;font-size:.9rem;margin-top:40px}.site-footer .logo{color:#fff}.site-footer a{color:#cfe0ff}
.foot{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px;padding-top:40px;padding-bottom:24px}.foot h4{color:#fff;margin:0 0 .5em;font-size:.95rem}.foot p{margin:.6em 0 0}
.copy{border-top:1px solid #23324a;padding-top:16px;padding-bottom:24px;font-size:.85rem}
@media(max-width:720px){body{font-size:16px}.nav a{margin-left:14px}.nav a:last-child{display:none}.foot{grid-template-columns:1fr;gap:18px}.hero{padding-top:28px}main{padding:20px 16px 40px}.guides{grid-template-columns:1fr}}

.brand-badge{color:#fff!important;font-weight:700;font-size:1.2rem;border-radius:10px}
/* filters section */
.ftable{border-collapse:collapse;width:100%;margin:12px 0}.ftable th,.ftable td{border:1px solid #e3e7ee;padding:8px 10px;text-align:left;vertical-align:top}.ftable th{background:#f5f7fb}
.buybox .buylinks{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.btn.buy{text-decoration:none}
details.faq{border:1px solid #e3e7ee;border-radius:8px;padding:10px 14px;margin:8px 0}details.faq summary{font-weight:600;cursor:pointer}
.callout.filtercheck{background:#ecfdf5;border-left:4px solid #0e7c66}
/* EngineCodes additions */
.callout.danger{background:#fef2f2;border:1px solid #fecaca;border-left:5px solid #b91c1c;color:#450a0a}.callout.danger b{color:#b91c1c}
.sev{display:inline-block;font-weight:700;padding:4px 12px;border-radius:99px;font-size:.85rem}.sev.low{background:#dcfce7;color:#166534}.sev.med{background:#fef3c7;color:#92400e}.sev.high{background:#fee2e2;color:#991b1b}
.costnote{font-size:.92rem;color:var(--muted);font-style:italic}
.related{display:flex;flex-wrap:wrap;gap:8px}.related a,.related span{text-decoration:none}