/* AI Ranked — design system
   Layout: a 1200px editorial grid on near-black. Hairline rules separate content; color is reserved for citation markers.
   Type: Geist (interface + headlines), Newsreader (long-form reading), Geist Mono (data, labels, footnotes). */
:root{
  --bg:#050607;
  --surface:#0b0d10;
  --raised:#111419;
  --line:#1b1f25;
  --line-2:#272c34;
  --fg:#edf2f5;
  --body:#c4cbd2;
  --muted:#8a929b;
  --dim:#5b626b;
  --cite:#a9c8ff;
  --cite-bg:rgba(169,200,255,.09);
  --good:#7fd6a4;
  --warn:#f0c674;
  --bad:#f28b82;
  --f-ui:"Geist",ui-sans-serif,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --f-read:"Newsreader",ui-serif,Georgia,"Times New Roman",serif;
  --f-mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --w:1200px;
  --gut:clamp(16px,4vw,32px);
  --r:6px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--fg);font:400 15px/1.55 var(--f-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--cite);outline-offset:2px;border-radius:3px}
::selection{background:var(--cite);color:#000}
.wrap{max-width:var(--w);margin-inline:auto;padding-inline:var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--fg);color:#000;padding:8px 12px;border-radius:4px;z-index:99}
.skip:focus{left:8px}

/* ---------- header ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:rgba(5,6,7,.82);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:28px;height:58px}
.mark{display:flex;align-items:baseline;gap:1px;font:600 19px/1 var(--f-ui);letter-spacing:-.03em}
.mark sup{font:500 10px/1 var(--f-mono);color:var(--cite);letter-spacing:0;transform:translateY(-6px)}
.nav{display:flex;gap:22px;font-size:13.5px;color:var(--muted)}
.nav a:hover,.nav a[aria-current]{color:var(--fg)}
.top .act{margin-left:auto;display:flex;gap:8px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r);font:500 13.5px/1 var(--f-ui);border:1px solid var(--line-2);color:var(--fg);background:var(--raised);cursor:pointer;transition:background .15s,border-color .15s}
.btn:hover{border-color:#3a414b;background:#161a20}
.btn.solid{background:var(--fg);color:#050607;border-color:var(--fg)}
.btn.solid:hover{background:#fff}
.btn.lg{height:40px;padding:0 18px;font-size:14px}
.menu-btn{display:none}
@media (max-width:860px){
  .nav{display:none}
  .menu-btn{display:inline-flex}
  .nav.open{display:flex;position:absolute;top:58px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px var(--gut) 16px}
  .nav.open a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
  .top .act .btn:not(.menu-btn){display:none}
}

/* ---------- wire ticker ---------- */
.wire{border-bottom:1px solid var(--line);font:400 12.5px/1 var(--f-mono);color:var(--muted);overflow:hidden}
.wire .wrap{display:flex;gap:16px;align-items:center;height:38px}
.wire b{color:var(--fg);font-weight:500;flex:none;display:flex;align-items:center;gap:8px}
.wire b::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px rgba(127,214,164,.15)}
.wire .track{display:flex;gap:40px;white-space:nowrap;animation:tick 70s linear infinite;min-width:0}
.wire .track a:hover{color:var(--fg)}
.wire .viewport{overflow:hidden;min-width:0;flex:1;mask-image:linear-gradient(90deg,transparent,#000 4%,#000 94%,transparent)}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- type ---------- */
.eyebrow{font:500 11.5px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:flex;gap:10px;align-items:center}
.eyebrow .dot{width:4px;height:4px;background:var(--dim);border-radius:50%}
h1,h2,h3,h4{font-family:var(--f-ui);font-weight:500;color:var(--fg);text-wrap:balance;margin:0}
.d1{font-size:clamp(36px,6vw,64px);line-height:1.02;letter-spacing:-.045em}
.d2{font-size:clamp(28px,3.6vw,40px);line-height:1.08;letter-spacing:-.035em}
.d3{font-size:22px;line-height:1.2;letter-spacing:-.02em}
.lede{font-size:clamp(16px,1.6vw,18px);line-height:1.55;color:var(--muted);max-width:60ch;text-wrap:pretty}
.mono{font-family:var(--f-mono)}
.muted{color:var(--muted)}
.fn{font:500 10.5px/1 var(--f-mono);color:var(--cite);background:var(--cite-bg);border:1px solid rgba(169,200,255,.22);padding:2px 4px;border-radius:3px;vertical-align:2px;margin-left:2px;white-space:nowrap}

/* ---------- sections ---------- */
.sec{padding-block:clamp(48px,7vw,88px);border-bottom:1px solid var(--line)}
.sec-h{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-h a{font-size:13.5px;color:var(--muted)}
.sec-h a:hover{color:var(--fg)}

/* ---------- hero ---------- */
.hero{padding-block:clamp(48px,8vw,96px) clamp(40px,6vw,72px);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 420px at 78% -10%,rgba(169,200,255,.10),transparent 60%),
  radial-gradient(circle,#20252c 1px,transparent 1.2px) 0 0/24px 24px;
  mask-image:radial-gradient(80% 90% at 70% 20%,#000,transparent 75%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero .copy{display:grid;gap:22px;min-width:0}
.hero .ctas{display:flex;gap:10px;flex-wrap:wrap}
.hero .proof{display:flex;gap:22px;flex-wrap:wrap;font:400 12.5px/1.4 var(--f-mono);color:var(--dim)}
.hero .proof span{color:var(--muted)}
@media (max-width:960px){.hero .wrap{grid-template-columns:1fr}}

/* answer panel (the hero object) */
.answer{background:linear-gradient(180deg,var(--surface),#08090b);border:1px solid var(--line-2);border-radius:10px;box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.02) inset;min-width:0}
.answer .bar{display:flex;gap:8px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line);font:400 12px/1 var(--f-mono);color:var(--muted)}
.answer .eng{display:flex;gap:4px;margin-left:auto}
.answer .eng button{font:500 11px/1 var(--f-mono);color:var(--dim);background:none;border:1px solid transparent;border-radius:4px;padding:5px 7px;cursor:pointer}
.answer .eng button[aria-pressed="true"]{color:var(--fg);border-color:var(--line-2);background:var(--raised)}
.answer .q{padding:16px 18px 0;font-size:14px;color:var(--fg)}
.answer .q::before{content:"Prompt";display:block;font:500 10.5px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.answer .a{padding:14px 18px 6px;font-size:14px;line-height:1.65;color:var(--body);min-height:150px}
.answer .src{display:grid;gap:6px;padding:12px 14px 14px;border-top:1px solid var(--line);margin-top:10px}
.answer .src a{display:grid;grid-template-columns:22px 1fr auto;gap:10px;align-items:center;padding:8px 10px;border-radius:6px;border:1px solid var(--line);font-size:12.5px;color:var(--muted);transition:border-color .15s,background .15s}
.answer .src a b{font:500 10.5px/1 var(--f-mono);color:var(--cite);text-align:center}
.answer .src a em{font-style:normal;font:400 11px/1 var(--f-mono);color:var(--dim)}
.answer .src a.us{border-color:rgba(169,200,255,.35);background:var(--cite-bg);color:var(--fg)}
.answer .src a.us em{color:var(--cite)}

/* ---------- story grid ---------- */
.lead{display:grid;grid-template-columns:1.4fr 1fr;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.lead>*{min-width:0}
.lead .main{padding:clamp(22px,3vw,36px);display:grid;gap:16px;align-content:start;border-right:1px solid var(--line);background:var(--surface)}
.lead .side{display:grid}
.lead .side a{padding:20px 24px;border-bottom:1px solid var(--line);display:grid;gap:8px}
.lead .side a:last-child{border-bottom:0}
.lead a:hover h3,.lead a:hover h2{color:#fff;text-decoration:underline;text-decoration-color:var(--dim);text-underline-offset:4px}
@media (max-width:860px){.lead{grid-template-columns:1fr}.lead .main{border-right:0;border-bottom:1px solid var(--line)}}
.meta{font:400 12px/1.4 var(--f-mono);color:var(--dim);display:flex;gap:10px;flex-wrap:wrap}
.meta .tag{color:var(--muted)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.cards>a,.cards>div{background:var(--bg);padding:24px;display:grid;gap:10px;align-content:start;min-width:0;transition:background .15s}
.cards>a:hover{background:var(--surface)}
.cards p{margin:0;color:var(--muted);font-size:14px}
@media (max-width:900px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cards{grid-template-columns:1fr}}

/* tools */
.tool-ico{width:36px;height:36px;border:1px solid var(--line-2);border-radius:7px;display:grid;place-items:center;background:var(--raised);color:var(--fg)}
.tool-ico svg{width:18px;height:18px}
.chip{justify-self:start;display:inline-flex;align-items:center;height:22px;padding:0 8px;border:1px solid var(--line-2);border-radius:4px;font:500 11px/1 var(--f-mono);color:var(--muted)}
.chip.free{color:var(--good);border-color:rgba(127,214,164,.3)}

/* numbers row */
.nums{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.nums>div{padding:28px 24px 26px;border-right:1px solid var(--line);display:grid;gap:8px;min-width:0}
.nums>div:last-child{border-right:0}
.nums strong{font:500 clamp(30px,3.6vw,44px)/1 var(--f-ui);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.nums p{margin:0;font-size:13.5px;color:var(--muted)}
.nums cite{font:400 11.5px/1.4 var(--f-mono);font-style:normal;color:var(--dim)}
.nums cite a{text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px}
@media (max-width:860px){.nums{grid-template-columns:1fr 1fr}.nums>div:nth-child(2){border-right:0}.nums>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* list rows (news wire / glossary) */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:120px 1fr auto;gap:24px;padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline}
.row time{font:400 12.5px/1.4 var(--f-mono);color:var(--dim)}
.row h3{font-size:17px;letter-spacing:-.015em;line-height:1.35}
.row p{margin:6px 0 0;color:var(--muted);font-size:14px;max-width:72ch}
.row .src{font:400 12px/1 var(--f-mono);color:var(--muted);white-space:nowrap}
.row a:hover h3{text-decoration:underline;text-decoration-color:var(--dim);text-underline-offset:4px}
@media (max-width:700px){.row{grid-template-columns:1fr;gap:6px}.row .src{white-space:normal}}

/* newsletter */
.sub{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;padding:clamp(24px,4vw,44px);border:1px solid var(--line-2);border-radius:10px;background:radial-gradient(600px 240px at 100% 0,rgba(169,200,255,.08),transparent 70%),var(--surface)}
.sub form{display:flex;gap:8px}
.sub input{flex:1;min-width:0;height:40px;border-radius:var(--r);border:1px solid var(--line-2);background:var(--bg);color:var(--fg);padding:0 12px;font:400 14px var(--f-ui)}
.sub .ok{font:400 13px var(--f-mono);color:var(--good)}
@media (max-width:760px){.sub{grid-template-columns:1fr}}

/* footer */
.foot{padding-block:56px 40px;color:var(--muted);font-size:13.5px}
.foot .cols{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px}
.foot h4{font:500 11.5px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot a:hover{color:var(--fg)}
.foot .base{margin-top:48px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font:400 12px/1.5 var(--f-mono);color:var(--dim)}
@media (max-width:860px){.foot .cols{grid-template-columns:1fr 1fr}.foot .cols>div:first-child{grid-column:1/-1}}

/* ---------- article ---------- */
.crumbs{font:400 12.5px/1 var(--f-mono);color:var(--dim);display:flex;gap:8px;flex-wrap:wrap;padding-top:28px}
.crumbs a:hover{color:var(--fg)}
.art-head{padding-block:28px 36px;border-bottom:1px solid var(--line);display:grid;gap:18px;max-width:820px}
.byline{display:flex;gap:14px;align-items:center;font-size:13.5px;color:var(--muted);flex-wrap:wrap}
.byline .av{width:32px;height:32px;border-radius:50%;background:var(--raised);border:1px solid var(--line-2);display:grid;place-items:center;font:500 12px var(--f-mono);color:var(--fg)}
.byline b{color:var(--fg);font-weight:500}
.art{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:clamp(32px,6vw,80px);padding-block:40px 80px}
@media (max-width:980px){.art{grid-template-columns:1fr}.toc{display:none}}
.prose{font:400 19px/1.68 var(--f-read);color:var(--body);max-width:68ch;min-width:0}
.prose>*+*{margin-top:1.05em}
.prose h2{font:500 28px/1.2 var(--f-ui);letter-spacing:-.03em;color:var(--fg);margin-top:2em;scroll-margin-top:80px}
.prose h3{font:500 20px/1.3 var(--f-ui);letter-spacing:-.015em;color:var(--fg);margin-top:1.6em;scroll-margin-top:80px}
.prose :where(p,ul,ol,pre,blockquote,.tbl,.tldr,.keys,.faq,.sources,.citebox){margin-block:0}
.prose>h2+*,.prose>h3+*{margin-top:.6em}
.prose a{color:var(--fg);text-decoration:underline;text-decoration-color:var(--dim);text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-color:var(--cite)}
.prose strong{color:var(--fg);font-weight:600}
.prose ul,.prose ol{padding-left:1.2em;margin:0}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--dim)}
.prose code{font:400 .8em var(--f-mono);background:var(--raised);border:1px solid var(--line);padding:1px 5px;border-radius:4px;color:var(--fg)}
.prose pre{font:400 13.5px/1.6 var(--f-mono);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px 18px;overflow-x:auto;color:var(--fg)}
.prose pre code{background:none;border:0;padding:0;font-size:inherit}
.prose blockquote{margin-inline:0;padding:0 0 0 20px;border-left:1px solid var(--line-2);color:var(--fg);font-style:italic}
.prose .tbl{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
.prose table{border-collapse:collapse;width:100%;font:400 14px/1.45 var(--f-ui)}
.prose th{font:500 11.5px/1.2 var(--f-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);text-align:left;background:var(--surface)}
.prose th,.prose td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.prose tr:last-child td{border-bottom:0}
.prose td code{font-size:12.5px}
/* answer box: the 40-60 word extractable answer AI engines lift */
.tldr{font:400 16px/1.6 var(--f-ui);color:var(--fg);border:1px solid var(--line-2);border-radius:8px;padding:18px 20px;background:var(--surface)}
.tldr>b{display:block;font:500 11px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--cite);margin-bottom:10px}
.keys{font:400 15.5px/1.55 var(--f-ui);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}
.keys>b{display:block;font:500 11px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.keys ul{padding-left:1.1em}
.sources{font:400 13.5px/1.55 var(--f-ui);color:var(--muted)}
.sources ol{padding-left:1.4em}
.sources li::marker{font-family:var(--f-mono);color:var(--cite)}
.citebox{font:400 13px/1.55 var(--f-mono);color:var(--muted);border:1px dashed var(--line-2);border-radius:8px;padding:14px 16px;display:grid;gap:10px}
.citebox code{color:var(--fg);background:none;border:0;padding:0;font-size:12.5px;word-break:break-word}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font:500 17px/1.4 var(--f-ui);color:var(--fg);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font-family:var(--f-mono);color:var(--dim)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin-top:10px}
.toc{position:sticky;top:90px;align-self:start;font-size:13px;display:grid;gap:22px}
.toc nav{display:grid;gap:9px;border-left:1px solid var(--line);padding-left:14px}
.toc nav a{color:var(--dim);line-height:1.35}
.toc nav a:hover,.toc nav a.on{color:var(--fg)}
.toc .box{border:1px solid var(--line);border-radius:8px;padding:16px;display:grid;gap:10px;background:var(--surface)}
.toc .box p{margin:0;color:var(--muted)}

/* ---------- tool pages ---------- */
.tool{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-block:32px}
.tool>*{background:var(--bg);padding:22px;min-width:0;display:grid;gap:14px;align-content:start}
@media (max-width:900px){.tool{grid-template-columns:1fr}}
.field{display:grid;gap:6px}
.field label{font:500 11.5px/1 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea,.field select{width:100%;background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r);color:var(--fg);padding:10px 12px;font:400 14px/1.5 var(--f-ui)}
.field textarea{font:400 13px/1.55 var(--f-mono);min-height:220px;resize:vertical}
.out{font:400 13px/1.6 var(--f-mono);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;white-space:pre-wrap;word-break:break-word;color:var(--fg);max-height:520px;overflow:auto}
.score{display:flex;align-items:baseline;gap:10px}
.score strong{font:500 56px/1 var(--f-ui);letter-spacing:-.05em;font-variant-numeric:tabular-nums}
.check{display:grid;grid-template-columns:18px 1fr auto;gap:10px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.check i{font-style:normal;font-family:var(--f-mono);font-size:12px}
.check .p{color:var(--good)}.check .w{color:var(--warn)}.check .f{color:var(--bad)}
.check small{color:var(--dim);font:400 12px var(--f-mono)}
.pill{display:inline-flex;height:22px;align-items:center;padding:0 8px;border-radius:999px;font:500 11px/1 var(--f-mono)}
.pill.ok{background:rgba(127,214,164,.12);color:var(--good)}
.pill.no{background:rgba(242,139,130,.12);color:var(--bad)}
.pill.na{background:var(--raised);color:var(--muted)}

/* ---------- glossary ---------- */
.az{display:flex;gap:4px;flex-wrap:wrap;font:500 12px/1 var(--f-mono)}
.az a{padding:7px 9px;border:1px solid var(--line);border-radius:4px;color:var(--muted)}
.az a:hover{color:var(--fg);border-color:var(--line-2)}
.term{padding:22px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:260px 1fr;gap:24px;scroll-margin-top:80px}
.term dt{font:500 17px/1.35 var(--f-ui);color:var(--fg);letter-spacing:-.01em}
.term dt small{display:block;font:400 12px/1.4 var(--f-mono);color:var(--dim);margin-top:6px}
.term dd{margin:0;font:400 17px/1.6 var(--f-read);color:var(--body);max-width:68ch}
@media (max-width:760px){.term{grid-template-columns:1fr;gap:8px}}

.page-head{padding-block:clamp(40px,6vw,72px) 32px;border-bottom:1px solid var(--line);display:grid;gap:16px}
.fade-in{animation:fade .6s ease both}
@keyframes fade{from{opacity:.001;transform:translateY(6px)}}

/* ================= premium layer ================= */
/* film grain over the whole page: breaks up flat black, the single biggest "print" cue */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:100;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
/* hero network canvas */
.hero canvas.field{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.9;mask-image:linear-gradient(90deg,transparent 0%,#000 35%,#000 100%)}
.hero .wrap{z-index:1}
/* aurora light: two blurred washes, cool and slightly violet, never saturated */
.aurora{position:absolute;inset:-20% -10% auto auto;width:70%;height:140%;pointer-events:none;filter:blur(60px);opacity:.55;
  background:radial-gradient(40% 35% at 60% 40%,rgba(120,160,255,.22),transparent 70%),radial-gradient(30% 30% at 30% 60%,rgba(170,140,255,.14),transparent 70%)}
/* gradient hairline: border that fades from light to transparent */
.edge{position:relative}
.edge::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(140deg,rgba(255,255,255,.28),rgba(255,255,255,.04) 40%,rgba(169,200,255,.18) 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
/* cursor spotlight on interactive cards (JS sets --mx/--my) */
.spot{position:relative;isolation:isolate}
.spot::after{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .25s;pointer-events:none;
  background:radial-gradient(360px circle at var(--mx,50%) var(--my,50%),rgba(169,200,255,.07),transparent 60%)}
.spot:hover::after{opacity:1}
/* engine strip */
.engines{border-bottom:1px solid var(--line)}
.engines .wrap{display:flex;align-items:center;gap:clamp(18px,4vw,48px);height:64px;overflow-x:auto;scrollbar-width:none}
.engines .wrap::-webkit-scrollbar{display:none}
.engines span{font:500 12px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim);flex:none}
.engines b{font:500 15px/1 var(--f-ui);letter-spacing:-.01em;color:var(--muted);flex:none;transition:color .2s}
.engines b:hover{color:var(--fg)}
/* data module */
.data{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(28px,5vw,64px);align-items:start}
.data>*{min-width:0}
@media (max-width:900px){.data{grid-template-columns:1fr}}
.bars{display:grid;gap:14px}
.bar{display:grid;grid-template-columns:110px 1fr 56px;gap:14px;align-items:center;font-size:13.5px}
.bar span{color:var(--muted)}
.bar i{display:block;height:10px;border-radius:2px;background:linear-gradient(90deg,rgba(169,200,255,.25),var(--cite));width:var(--w);min-width:2px;transform-origin:left;animation:grow 1.2s cubic-bezier(.2,.7,.2,1) both}
.bar i.lo{background:var(--line-2)}
.bar b{font:500 13px/1 var(--f-mono);text-align:right;font-variant-numeric:tabular-nums;color:var(--fg)}
@keyframes grow{from{transform:scaleX(.02)}}
.note{font:400 12px/1.5 var(--f-mono);color:var(--dim)}
.note a{text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px}
.panel{border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:clamp(20px,3vw,28px);display:grid;gap:18px}
/* cheat sheet table (homepage) */
.sheet{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
.sheet table{border-collapse:collapse;width:100%;min-width:860px;font-size:13.5px}
.sheet th{font:500 11px/1.2 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:left;background:var(--surface);padding:12px 16px;border-bottom:1px solid var(--line)}
.sheet td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--body)}
.sheet tr:last-child td{border-bottom:0}
.sheet td:first-child{color:var(--fg);font-weight:500;white-space:nowrap}
.sheet code{font:400 12px var(--f-mono);color:var(--fg);background:var(--raised);border:1px solid var(--line);padding:1px 5px;border-radius:4px;white-space:nowrap}
/* playbook moves */
.moves{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.moves>a{padding:22px 20px 24px;border-right:1px solid var(--line);display:grid;gap:10px;align-content:start;min-width:0;transition:background .2s}
.moves>a:last-child{border-right:0}
.moves>a:hover{background:var(--surface)}
.moves .k{font:500 30px/1 var(--f-ui);letter-spacing:-.04em;color:var(--fg)}
.moves .k small{font:400 12px var(--f-mono);color:var(--good);letter-spacing:0;margin-left:6px}
.moves h3{font-size:15.5px;letter-spacing:-.01em;line-height:1.3}
.moves p{margin:0;color:var(--muted);font-size:13.5px}
@media (max-width:1000px){.moves{grid-template-columns:1fr 1fr}.moves>a{border-bottom:1px solid var(--line)}}
@media (max-width:560px){.moves{grid-template-columns:1fr}.moves>a{border-right:0}}
/* tool cards with mini previews */
.prev{border:1px solid var(--line);border-radius:7px;background:var(--bg);padding:12px;font:400 11.5px/1.5 var(--f-mono);color:var(--muted);display:grid;gap:6px}
.prev .r{display:flex;justify-content:space-between;gap:8px}
/* publisher band */
.band{position:relative;overflow:hidden;border-radius:12px;border:1px solid var(--line-2);padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;background:var(--surface)}
.band>*{position:relative;min-width:0}
@media (max-width:860px){.band{grid-template-columns:1fr}}
.band ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px;color:var(--body)}
.band li{display:grid;grid-template-columns:18px 1fr;gap:8px}
.band li::before{content:"↳";color:var(--cite);font-family:var(--f-mono)}
/* glossary teaser */
.defs{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.defs a{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.defs b{font-weight:500;color:var(--fg)}
.defs span{color:var(--muted);font-size:14px}
@media (max-width:900px){.defs{grid-template-columns:1fr}.defs a{grid-template-columns:1fr;gap:4px}}
/* big footer wordmark */
.giant{font:600 clamp(80px,22vw,300px)/.8 var(--f-ui);letter-spacing:-.07em;margin-top:56px;user-select:none;
  background:linear-gradient(180deg,rgba(237,242,245,.10),rgba(237,242,245,0) 85%);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap;overflow:hidden}
.giant sup{font:500 .16em/1 var(--f-mono);color:rgba(169,200,255,.25);-webkit-text-fill-color:rgba(169,200,255,.25);vertical-align:.9em;letter-spacing:0}
/* generative cover on articles (injected by site.js) */
canvas.cover{position:absolute;right:var(--gut);top:56px;width:min(360px,30vw);aspect-ratio:1;max-width:100%;pointer-events:none;opacity:.95}
@media (max-width:1100px){canvas.cover{display:none}}
@media (min-width:1101px){.art-head{max-width:min(820px,calc(100% - min(380px,32vw)))}}
.band>.aurora,.hero>.aurora{position:absolute}
/* logo */
.mark{align-items:center;gap:9px}
.mark .logo{width:21px;height:21px;flex:none;stroke-width:10.5}
.mark span{font:650 18.5px/1 var(--f-ui);letter-spacing:-.04em}
.giant{display:flex;align-items:center;gap:.08em}
.giant .logo{width:.72em;height:.72em;flex:none;stroke:rgba(237,242,245,.09)}
.mark .d,.giant .d{position:relative}
.mark .d::after,.giant .d::after{content:"";position:absolute;left:.03em;right:.02em;bottom:.04em;height:.088em;border-radius:1em;background:currentColor}
.giant .d::after{background:rgba(237,242,245,.09)}
.consent{position:fixed;left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:90;max-width:520px;margin-inline:auto;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:14px 16px;border:1px solid var(--line-2);border-radius:10px;background:rgba(11,13,16,.96);backdrop-filter:blur(10px);font-size:13.5px;color:var(--body);box-shadow:0 20px 50px -20px rgba(0,0,0,.8)}
.consent p{margin:0;flex:1;min-width:200px}.consent div{display:flex;gap:8px}
.answer .eng button{white-space:nowrap}@media (max-width:420px){.answer .bar>span{display:none}.answer .eng{margin-left:0}}
@media (max-width:900px){.cards{grid-template-columns:1fr 1fr!important}}@media (max-width:600px){.cards{grid-template-columns:1fr!important}}