:root{
--bg:#f8fbff;--surface:#fff;--soft:#f2f8ff;--ink:#15233e;--muted:#63748b;--line:#dce8f4;
--blue:#176bff;--blue-dark:#0e55d6;--mint:#e8fbf1;--lav:#f1efff;--yellow:#fff8dc;--peach:#fff0e8;
--green:#177a4d;--orange:#95500f;--red:#a43e3e;--shadow:0 14px 40px rgba(40,76,120,.09);
--radius:22px;--max:1180px;--reading:740px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 7% 0%,rgba(110,231,249,.2),transparent 27rem),radial-gradient(circle at 95% 3%,rgba(216,208,255,.25),transparent 28rem),linear-gradient(180deg,#fbfdff 0%,#f7fbff 46%,#fff 100%);color:var(--ink);font:16px/1.67 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{outline-offset:3px}:focus-visible{outline:3px solid rgba(23,107,255,.38)}
img{max-width:100%;height:auto}.shell{width:min(calc(100% - 36px),var(--max));margin:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:16px;top:-60px;z-index:100;background:#10213b;color:#fff;padding:10px 14px;border-radius:12px}.skip-link:focus{top:14px}
.site-header{position:sticky;top:0;z-index:40;background:rgba(248,251,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,232,244,.82)}
.nav{height:72px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.03em}
.brand-mark{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#176bff,#7280ff 58%,#6ee7f9);box-shadow:0 8px 20px rgba(23,107,255,.22)}
.nav-links{margin-left:auto;display:flex;gap:20px;align-items:center;color:#566981;font-size:14px;font-weight:750}.nav-links a:hover{color:var(--blue)}
.hero{padding:72px 0 34px}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}
.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:#53657e}.eyebrow{padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.84);border:1px solid var(--line)}
.status-dot{width:9px;height:9px;border-radius:50%;background:#27ba70;box-shadow:0 0 0 5px rgba(39,186,112,.12)}
h1,h2,h3{letter-spacing:-.04em}.hero h1{font-size:clamp(46px,7vw,78px);line-height:.98;margin:18px 0 15px}.hero-copy{font-size:19px;color:var(--muted);max-width:690px;margin:0 0 24px}
.search-box{display:flex;align-items:center;gap:8px;padding:9px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:20px;box-shadow:0 18px 50px rgba(34,88,150,.13)}
.search-box input{border:0;background:transparent;outline:0;flex:1;min-width:0;padding:0 8px;font-size:16px;color:var(--ink);min-height:44px}
.search-box button,.primary-btn{border:0;background:linear-gradient(135deg,var(--blue),#6d75ff);color:#fff;border-radius:14px;padding:13px 18px;font-weight:850;cursor:pointer;min-height:46px}
.example-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px;font-size:13px;color:#60728a;align-items:center}.example-row button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 10px;color:#60728a;cursor:pointer}.example-row button:hover{border-color:#b7cee6;color:var(--blue)}
.search-results{margin-top:12px;display:none;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.search-results.active{display:block}.search-results a{display:block;padding:12px 14px;border-bottom:1px solid #edf2f8}.search-results a:last-child{border:0}.search-results a:hover{background:#f7fbff}.search-results small{display:block;color:var(--muted)}
.hero-visual{min-height:330px;position:relative}.orb{position:absolute;border-radius:50%;box-shadow:0 20px 55px rgba(45,82,145,.11)}.orb-a{width:190px;height:190px;right:18px;top:5px;background:linear-gradient(145deg,#d7f8ff,#9cdfff 50%,#c8c2ff)}.orb-b{width:135px;height:135px;right:188px;bottom:10px;background:linear-gradient(145deg,#fff2a8,#ffd5bc)}.orb-c{width:90px;height:90px;right:45px;bottom:-2px;background:linear-gradient(145deg,#c9f7d8,#97ebb9)}
.match-card{position:absolute;left:6px;top:78px;width:min(315px,88%);padding:18px;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.95);border-radius:22px;box-shadow:var(--shadow);display:grid;grid-template-columns:auto 1fr;gap:12px}.match-icon{width:42px;height:42px;border-radius:14px;background:#edf4ff;display:grid;place-items:center}.match-card small{display:block;color:var(--muted)}.match-status{grid-column:1/-1;padding:9px 11px;border-radius:12px;background:#edfff5;color:#24784e;font-size:13px;font-weight:800}
.popular{background:rgba(255,255,255,.84);border-block:1px solid var(--line);padding:22px 0}.section{padding:42px 0}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}.section-heading h2{margin:8px 0 0;font-size:32px;line-height:1.1}.section-heading p{margin:0;max-width:590px;color:var(--muted)}
.popular-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}.popular-grid a{display:flex;justify-content:space-between;gap:14px;padding:13px 3px;border-bottom:1px solid #edf2f8;font-weight:750}.popular-grid a:hover{color:var(--blue)}
.library-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.library-card{padding:20px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:20px;transition:.2s}.library-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#c8dbef}.library-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:21px;margin-bottom:12px}.bg-blue{background:#edf4ff}.bg-mint{background:var(--mint)}.bg-lav{background:var(--lav)}.bg-yellow{background:var(--yellow)}.bg-peach{background:var(--peach)}.library-card h3{margin:0 0 6px;font-size:20px}.library-card p{margin:0;color:var(--muted)}
.promise{padding:24px;background:linear-gradient(120deg,#eff9ff,#f6f4ff 54%,#fff9e4);border:1px solid var(--line);border-radius:25px;display:grid;grid-template-columns:1fr 1fr;gap:24px}.promise h2{font-size:31px;margin:9px 0 8px}.promise p{color:var(--muted);margin:0}.promise-list{display:grid;gap:7px}.promise-list>div{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed #d8e5f0}.promise-list>div:last-child{border:0}.promise-list b{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:#fff;color:var(--blue)}.promise-list span{display:grid}.promise-list small{color:var(--muted)}
.page-hero{padding:52px 0 26px}.page-hero h1{font-size:clamp(38px,6vw,58px);line-height:1;margin:10px 0 13px}.page-hero p{max-width:760px;color:var(--muted);font-size:18px}
.hub-list{display:grid;gap:12px}.hub-item{display:grid;grid-template-columns:1fr auto;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}.hub-item h2,.hub-item h3{margin:0 0 5px;font-size:20px}.hub-item p{margin:0;color:var(--muted)}.hub-item .tag{align-self:start;background:#edf4ff;color:var(--blue);padding:6px 9px;border-radius:999px;font-size:12px;font-weight:800}
.article-shell{padding:42px 0 84px}.article-grid{display:grid;grid-template-columns:minmax(0,var(--reading)) minmax(250px,1fr);gap:30px;align-items:start}.article{background:rgba(255,255,255,.97);border:1px solid var(--line);border-radius:28px;padding:32px;box-shadow:var(--shadow)}
.breadcrumb{font-size:13px;color:#74869b;margin-bottom:16px}.article h1{font-size:clamp(34px,5vw,46px);line-height:1.06;margin:0 0 10px}.lede{font-size:18px;color:var(--muted);margin:0 0 14px}.meta{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 20px}.chip{padding:6px 9px;border-radius:999px;background:#f8fbff;border:1px solid var(--line);font-size:12px;color:#5f728a;font-weight:700}
.fingerprint{padding:16px 0 18px;border-block:1px solid var(--line);margin:0 0 18px}.fingerprint-head{font-weight:900;margin-bottom:8px}.checks{display:grid;gap:5px;color:#51637a;font-size:14px}.checks span::before{content:"✓";color:var(--green);font-weight:900;margin-right:8px}
.fix-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:13px}.badge{border-radius:10px;padding:6px 8px;font-size:12px;font-weight:800}.safe{background:#edfff5;color:#216e49}.time{background:#eff5ff;color:#275aa2}.difficulty{background:#fff7e9;color:#94520e}
.quick{padding:20px;border-radius:20px;background:linear-gradient(135deg,#effdf5,#f9fffb);border:1px solid #c9eed8;margin:0 0 12px}.quick-title{font-weight:900;color:#1f7049;margin-bottom:8px}.article p{color:#405169}
.code{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#10213b;color:#e8f2ff;padding:14px 15px;border-radius:15px;margin:12px 0;overflow:auto}.code code{white-space:pre-wrap;word-break:break-word;font:14px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace}.code button{flex:none;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:#fff;border-radius:10px;padding:8px 9px;cursor:pointer}
.fix-feedback{padding:13px 0 19px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:9px;flex-wrap:wrap}.fix-feedback button{min-height:44px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 11px;font-weight:750;cursor:pointer}.live-note{font-size:13px;color:var(--muted)}
.article h2{font-size:26px;margin:30px 0 9px}.article h3{font-size:21px;margin:24px 0 8px}.diagnostic{border:1px solid var(--line);border-radius:17px;background:#fbfdff;padding:14px}.drow{display:flex;gap:11px;padding:10px 2px}.drow:not(:last-child){border-bottom:1px dashed #dce6f0}.dbullet{width:25px;height:25px;border-radius:8px;display:grid;place-items:center;background:#edf4ff;color:var(--blue);font-weight:900;flex:none;font-size:12px}.notice{padding:14px 15px;border-radius:15px;background:#fff7ed;border:1px solid #fed7aa;color:#87501c}
.ad-placeholder{margin:24px 0;min-height:96px;border:1px dashed #b7c9dc;border-radius:15px;background:#f7fafc;display:grid;place-items:center;text-align:center;color:#6f7f92;font-size:12px}.affiliate-card{margin:26px 0;padding:18px 0;border-block:1px solid #eadca7;display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}.affiliate-card small{display:block;color:#887443;font-weight:850}.affiliate-card p{margin:3px 0;color:#665b40}.affiliate-card a{background:#14213d;color:#fff;border-radius:11px;padding:10px 13px;font-size:14px;font-weight:850}
.community{margin-top:28px;border-top:1px solid var(--line);padding-top:24px}.community-box{padding:16px;border:1px solid var(--line);border-radius:16px;background:#fbfdff}.community-box p{margin:0}.feedback-detail{display:none;margin-top:10px;width:100%}.feedback-detail.active{display:flex;gap:8px;flex-wrap:wrap}.feedback-detail select,.feedback-detail input{min-height:42px;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}
.sidebar{position:sticky;top:92px;display:grid;gap:14px}.side-block{padding:18px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:19px}.side-block h3{font-size:15px;margin:0 0 9px}.toc{display:grid;gap:3px}.toc a{padding:8px 9px;border-radius:9px;font-size:14px;color:#60728a}.toc a.active,.toc a:hover{background:#eef5ff;color:var(--blue);font-weight:800}.trust-list{display:grid;gap:8px;font-size:13px;color:#60728a}
.prose{max-width:800px}.prose h2{margin-top:30px}.prose p,.prose li{color:#405169}.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
.site-footer{padding:42px 0 26px;border-top:1px solid var(--line);background:rgba(255,255,255,.62)}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px}.footer-grid p{color:#697b91;font-size:13px;max-width:310px}.footer-grid h4{margin:0 0 10px;font-size:14px}.footer-grid>div>a:not(.brand){display:block;color:#697b91;font-size:13px;padding:4px 0}.footer-grid a:hover{color:var(--blue)}.footer-bottom{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:#8090a2}
.toast{position:fixed;right:20px;bottom:20px;z-index:90;background:#14213d;color:#fff;border-radius:13px;padding:10px 13px;box-shadow:var(--shadow);font-size:13px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}
@media(max-width:920px){.hero-grid,.promise,.article-grid,.footer-grid{grid-template-columns:1fr}.hero-visual{min-height:285px}.sidebar{position:static}.library-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.shell{width:min(calc(100% - 22px),var(--max))}.hero{padding-top:42px}.hero h1{font-size:48px}.hero-visual{min-height:250px}.nav-links a:not(:first-child){display:none}.search-box{flex-wrap:wrap}.search-box button{width:100%}.popular-grid,.library-grid,.footer-grid{grid-template-columns:1fr}.article{padding:21px;border-radius:22px}.affiliate-card{grid-template-columns:1fr}.section-heading{display:block}.section-heading p{margin-top:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* P0 production polish — staging */
.ad-placeholder{display:none!important}
.community{display:none!important}
.popular-soon{display:flex;justify-content:space-between;gap:14px;padding:13px 3px;border-bottom:1px solid #edf2f8;font-weight:750;color:#7b8ba0}
.popular-soon span:last-child{font-size:11px;font-weight:850;letter-spacing:.03em;text-transform:uppercase;color:#96a4b5}
.library-card.is-coming,.hub-item.is-coming{cursor:default}
.library-card.is-coming:hover{transform:none;box-shadow:none;border-color:var(--line)}
.library-card.is-coming h3 small{font-size:10px;letter-spacing:.03em;text-transform:uppercase;color:#8797aa;margin-left:5px}
.hub-item.is-coming{opacity:.72}

/* ErrorHarbor v2.1 — UX + Community */
.library-grid-live{grid-template-columns:repeat(3,1fr)}
.article{font-size:17px;line-height:1.72}
.article p{font-size:17px;line-height:1.72}
.article .lede{font-size:18px;line-height:1.58}
.article-header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;min-width:0}
.header-library{font-size:13px;font-weight:800;color:#596b82;white-space:nowrap}
.header-library:hover{color:var(--blue)}
.header-search{width:min(380px,42vw);display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:5px 6px;box-shadow:0 5px 18px rgba(40,76,120,.06)}
.header-search input{min-width:0;flex:1;border:0;outline:0;background:transparent;padding:7px 8px;color:var(--ink);font-size:13px}
.header-search button{border:0;border-radius:9px;background:#edf4ff;color:var(--blue);padding:7px 10px;font-size:12px;font-weight:850;cursor:pointer}
.reviewed{align-self:center;color:#718197;font-size:12px;margin-left:2px}
.guide-details{display:grid;gap:10px;font-size:13px;color:#62748a}
.guide-details span{display:grid;gap:1px}
.guide-details b{color:var(--ink);font-size:12px}
.related-guides{margin-top:30px;padding-top:4px}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.related-grid a{display:grid;gap:4px;padding:15px;border:1px solid var(--line);border-radius:15px;background:#fbfdff;transition:.18s}
.related-grid a:hover{border-color:#bfd5ec;background:#f6faff;transform:translateY(-1px)}
.related-grid span{font-size:13px;color:var(--muted)}
.community{display:block!important;margin-top:32px;padding-top:25px;border-top:1px solid var(--line)}
.community>p{margin-bottom:12px}
.credential-warning{padding:12px 14px;border-radius:13px;background:#fff8ea;border:1px solid #f3dfaa;color:#71551e;font-size:13px;margin:12px 0 18px}
.giscus-shell{min-height:90px}
.giscus-status{font-size:13px!important;color:var(--muted)!important;padding:14px 0;margin:0!important}
.giscus-frame{width:100%;border:0}
.fix-feedback button[aria-pressed="true"]{border-color:#9ec0e8;background:#eef5ff;color:var(--blue)}
.code button.copied{background:#1d8758;border-color:#62c392}
.article-shell{padding-bottom:60px}
@media(max-width:920px){
  .article-header-actions{gap:8px}.header-library{display:none}.header-search{width:min(420px,58vw)}
}
@media(max-width:650px){
  .library-grid-live{grid-template-columns:1fr}
  .article{font-size:16.5px}.article p{font-size:16.5px}
  .header-search{width:55vw}.header-search button{display:none}
  .related-grid{grid-template-columns:1fr}
  .reviewed{width:100%;margin-top:2px}
}

/* Giscus visual integration — v2.1 */
.community{margin-top:36px;padding-top:30px}
.community h2{margin-bottom:6px}
.community-provider-note{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0 13px;border-bottom:1px solid var(--line);margin-bottom:8px}
.community-provider-note span{font-size:12px;font-weight:850;color:#53657e}
.community-provider-note small{font-size:12px;color:#7a899d;text-align:right}
.giscus-shell{margin-top:16px;padding:0;min-height:120px}
.giscus,.giscus-frame{width:100%!important}
.giscus-frame{display:block;min-height:180px;border:0!important;background:transparent!important}
.giscus-status,.giscus-fallback{font-size:13px!important;color:var(--muted)!important;margin:12px 0 0!important;padding:10px 0}
.giscus-fallback a{color:var(--blue);font-weight:800}
.credential-warning{margin-bottom:14px}
@media(max-width:650px){
  .community-provider-note{display:grid;gap:3px}
  .community-provider-note small{text-align:left}
  .community{margin-top:30px;padding-top:24px}
}

/* Reader-first trust layer — Batch 2 QC */
.inline-code{font:0.92em/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;background:#f1f5f9;border:1px solid #e1e8f0;border-radius:6px;padding:1px 5px;color:#18314f}
.reader-path{margin:16px 0 18px;border:1px solid #d7e5f3;border-radius:18px;background:#f8fbff;overflow:hidden}
.reader-path-title{padding:13px 15px;font-weight:900;color:#173454;background:#eef6ff;border-bottom:1px solid #d7e5f3}
.reader-path-row{display:grid;grid-template-columns:minmax(150px,.75fr) 1.5fr;gap:13px;padding:11px 15px}
.reader-path-row:not(:last-child){border-bottom:1px dashed #d9e4ef}
.reader-path-row b{color:#223b59}.reader-path-row span{color:#60728a;font-size:14px}
.verify-step{margin:12px 0!important;padding:11px 13px;border-radius:12px;background:#eefbf4;border:1px solid #cfeedd;color:#315f49!important}
.avoid-box{margin-top:28px;padding:17px;border:1px solid #f0dec1;border-radius:17px;background:#fffaf1}
.avoid-box h2{margin:0 0 10px;font-size:22px}
.avoid-checks span::before{content:"×";color:#a45122}
.evidence-box{display:grid;gap:5px;margin-top:13px;padding:14px;border-radius:14px;background:#f8fbff;border:1px solid var(--line);color:#53667e;font-size:14px}
.evidence-box b{color:var(--ink);margin-bottom:2px}.evidence-box span::before{content:"•";margin-right:8px;color:var(--blue)}
.source-note{font-size:13px!important;color:#74869b!important;margin-top:10px!important}
.example-paths,.trust-check{margin-top:26px}
.example-paths h2,.trust-check h2{margin-top:0}
@media(max-width:650px){.reader-path-row{grid-template-columns:1fr;gap:3px}}