@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root{--ink:#f4f5f2;--muted:#a1a49a;--line:#2b2e23;--paper:#090b08;--green:#d8ff3e;--forest:#d8ff3e;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--green)}a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:2px solid var(--green);outline-offset:5px}::selection{background:var(--green);color:#090b08}.wrap{max-width:1360px;margin:auto;padding:0 40px}.skip{position:absolute;top:-100px;left:20px;background:var(--green);color:#090b08;padding:12px;z-index:5}.skip:focus{top:10px}header{border-bottom:1px solid var(--line);background:#090b08}.header{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:18px;font-weight:600;letter-spacing:-.5px}.mark{display:grid;place-items:center;border:1px solid var(--green);color:var(--green);width:34px;height:34px;border-radius:50%;font-size:23px}.brand small{font-size:11px;font-weight:400;color:var(--muted);display:block;letter-spacing:0;margin-top:4px}.nav{display:flex;align-items:center;gap:24px;font-size:13px;font-weight:500}.nav a{text-decoration:none;color:var(--muted)}.nav a:hover,.nav a[aria-current=page]{color:var(--green)}.button{display:inline-flex;justify-content:center;align-items:center;background:var(--green);color:#111507;padding:14px 23px;border:1px solid var(--green);border-radius:7px;text-decoration:none;font-size:14px;font-weight:600;gap:16px}.button:hover{background:#e6ff85;color:#111507}.button.light{background:var(--green);color:#111507}.button.outline{background:#090b0880;color:var(--ink);border:1px solid #555b44}.button.outline:hover{border-color:var(--green);color:var(--green)}.nav .button{color:#111507;padding:11px 17px}.mobile-nav{display:none}.status-bar{background:#d8ff3e;color:#192006;font-size:12px}.status-bar .wrap{display:flex;justify-content:space-between;gap:15px;padding-top:12px;padding-bottom:12px}.status-bar a:hover{color:#192006}.status-label{font-weight:700}.label{font-family:'SF Mono',Consolas,monospace;font-size:11px;font-weight:400;letter-spacing:1.3px;text-transform:uppercase;color:var(--green)}.label:before{content:'// ';opacity:.65}.hero{position:relative;isolation:isolate;display:grid;grid-template-columns:1.12fr 1fr;gap:70px;padding-top:90px;padding-bottom:90px;align-items:center}.hero:before{content:'';position:absolute;z-index:-1;inset:0 calc((1360px - 100vw)/2);background:radial-gradient(ellipse at 85% 22%,#91a8202b,transparent 60%),radial-gradient(ellipse at 45% 65%,#7989210d,transparent 65%);pointer-events:none}.hero:after{content:'';position:absolute;z-index:-1;width:650px;height:650px;right:-45px;top:-30px;border:1px solid #cfe8450d;border-radius:50%;box-shadow:0 0 0 90px #cfe84504,0 0 0 180px #cfe84503;pointer-events:none}.hero h1{font-size:clamp(48px,4.7vw,67px);font-weight:600;letter-spacing:-3.2px;line-height:1.12;margin:28px 0}.hero h1 span{display:block;color:var(--green);font-family:Georgia,'Times New Roman',serif;font-style:italic;font-weight:400;letter-spacing:-2.5px}.hero .intro{max-width:500px;color:#b5b8ac;font-size:17px;line-height:1.85;margin-bottom:30px}.actions{display:flex;gap:12px;flex-wrap:wrap}.hero-note{font-size:11px;color:var(--muted);margin-top:23px}.model-card{position:relative;background:#090c07d9;border:1px solid #3d452c;color:var(--ink);border-radius:12px;overflow:hidden;box-shadow:0 30px 80px #0005}.model-card-top{padding:19px 26px;display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line)}.model-card-top .label:before{content:none}.model-card-top .label:last-child{color:#7f856e;font-size:10px}.model-glyph{padding:32px 28px;display:flex;align-items:flex-end;justify-content:space-between;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 90% 15%,#caff2f12,transparent 70%)}.model-glyph strong{font-size:112px;line-height:.9;font-weight:500;letter-spacing:-9px;color:var(--green)}.model-glyph .element{text-align:right;padding-bottom:6px}.element b{display:block;font-size:36px;font-weight:500;letter-spacing:-1px}.element small{color:#80866e;font-family:monospace;font-size:10px;letter-spacing:1px}.model-card dl{margin:0;padding:10px 28px 15px;font-family:'SF Mono',Consolas,monospace}.model-card dl div{display:flex;justify-content:space-between;gap:20px;padding:12px 0;font-size:11px}.model-card dt{color:#828b71}.model-card dd{margin:0;text-align:right}.model-card footer{padding:16px 28px;border-top:1px solid var(--line);font-size:10px;color:#8e967d}.model-card footer a{color:var(--green)}.quick-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.quick-links a{border:1px solid var(--line);background:#11140c;padding:8px 12px;border-radius:4px;font-family:monospace;font-size:11px;text-decoration:none;color:#a9b195}.quick-links a:hover{border-color:var(--green);color:var(--green)}.section{padding-top:70px;padding-bottom:70px;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:35px}.section-heading h2{font-size:42px;letter-spacing:-1.8px;line-height:1.18;margin:15px 0 0;font-weight:500}.section-heading h2 em,.feature h2 em{font-family:Georgia,serif;font-weight:400;color:var(--green)}.section-heading>a{font-size:12px;color:var(--muted)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic{position:relative;padding:26px;border:1px solid var(--line);border-radius:9px;background:#0f120b;text-decoration:none;transition:border-color .15s,background .15s}.topic:hover{background:#171d0d;border-color:#74892d;color:var(--ink)}.topic .num{font-family:monospace;color:#717962;font-size:11px}.topic h3{font-size:20px;letter-spacing:-.6px;font-weight:500;margin:26px 0 13px}.topic p{font-size:13px;line-height:1.8;color:var(--muted);margin:0;max-width:310px}.topic .kind{display:block;margin-top:25px;color:#b3c879;font-family:monospace;font-size:10px}.topic .kind:after{content:' ↗';float:right;color:var(--green)}.feature{display:grid;grid-template-columns:1fr 1fr;gap:70px}.feature h2{font-size:42px;line-height:1.2;letter-spacing:-1.8px;font-weight:500;margin:18px 0 22px}.feature p{color:var(--muted);line-height:1.8;font-size:15px;max-width:470px}.feature>div>a{font-size:13px;color:var(--green)}.feature .steps{padding-top:10px}.step{display:grid;grid-template-columns:35px 1fr;gap:16px;padding:25px 0;border-bottom:1px solid var(--line)}.step>span{font-family:monospace;font-size:12px;color:var(--green)}.step h3{font-size:16px;font-weight:500;margin:0 0 8px}.step p{font-size:13px;margin:0}.source-strip{padding:35px;background:linear-gradient(110deg,#1d2610,#10160b);border:1px solid #3a4821;display:flex;justify-content:space-between;align-items:center;gap:30px;border-radius:10px}.source-strip h2{font-size:22px;font-weight:500;letter-spacing:-.7px;margin:0 0 12px}.source-strip p{font-size:13px;line-height:1.8;margin:0;color:var(--muted)}.site-footer{padding-top:32px;padding-bottom:32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;font-size:11px;color:#79806e}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.crumbs{font-size:12px;color:var(--muted);padding-top:30px;display:flex;flex-wrap:wrap;gap:10px}.article-header{padding:48px 0 40px;max-width:980px}.article-header h1{font-size:clamp(35px,4vw,56px);font-weight:500;line-height:1.15;letter-spacing:-2px;margin:20px 0}.article-header .dek{font-size:18px;line-height:1.75;color:var(--muted);max-width:760px}.article-meta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-top:26px}.evidence{color:#d2e99b;background:#1c2710;border:1px solid #364622;border-radius:4px;padding:5px 9px}.article-layout{display:grid;grid-template-columns:minmax(0,790px) 230px;justify-content:space-between;gap:65px;border-top:1px solid var(--line);padding-top:36px;padding-bottom:65px}.prose{font-size:16px;line-height:1.9;color:#c7cbbe}.prose p{margin:12px 0 25px}.prose h2{color:var(--ink);font-weight:500;font-size:28px;line-height:1.3;letter-spacing:-.8px;margin:38px 0 16px;scroll-margin-top:20px}.prose h2:first-child{margin-top:4px}.prose h3{font-size:19px;color:var(--ink);font-weight:500;margin-top:30px}.prose li{margin:8px 0}.prose a{color:var(--green)}.callout{background:#141c0d;border-left:2px solid var(--green);padding:20px 24px;margin:25px 0;font-size:14px}.callout p{margin:0}.toc{position:sticky;top:25px;height:fit-content;padding:12px 0 12px 22px;border-left:1px solid var(--line)}.toc a{display:block;font-size:12px;line-height:1.7;text-decoration:none;padding:9px 0;color:var(--muted)}.toc a:hover{color:var(--green)}.toc .label{margin-bottom:14px}.table-wrap{overflow-x:auto;margin:25px 0;border:1px solid var(--line);border-radius:7px}table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.6}th{text-align:left;font-size:11px;font-weight:500;background:#13170f;color:#9ca78c}th,td{padding:16px 14px;border-bottom:1px solid var(--line)}tbody tr:last-child>*{border-bottom:0}td.argon,th.argon{background:#1a250e;color:var(--green);font-weight:500}.caption{font-size:11px;color:var(--muted);line-height:1.8}.related{border-top:1px solid var(--line);padding-top:28px;margin-top:36px}.related .label{margin-bottom:14px}.related a{display:block;margin:10px 0;font-size:14px}.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{font-size:16px;font-weight:500;color:var(--ink);cursor:pointer}.faq details p{font-size:14px;margin-bottom:4px}.resource{border-bottom:1px solid var(--line);padding:22px 0}.resource h3{margin:0 0 8px}.resource p{font-size:14px;margin:0 0 12px}.resource small{font-size:11px;color:var(--muted)}.prose pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:24px;background:#0e130a;color:#c8d6ac;border:1px solid #37412b;border-radius:8px;font:13px/1.9 'SF Mono',Consolas,monospace}.prose pre:focus-visible{outline:2px solid var(--green);outline-offset:4px}main{overflow:clip}
@media(max-width:1360px){.hero:before{inset:0}}
@media(max-width:1000px){.wrap{padding:0 28px}.nav{gap:14px;font-size:12px}.brand{font-size:16px}.hero{gap:32px}.hero h1{font-size:53px;letter-spacing:-2.5px}.article-layout{gap:30px;grid-template-columns:minmax(0,1fr) 190px}.model-glyph strong{font-size:100px}.section-heading h2,.feature h2{font-size:35px}}
@media(max-width:800px){.wrap{padding:0 22px}.header{min-height:74px}.nav{display:none}.mobile-nav{display:block;position:relative;font-size:13px}.mobile-nav summary{cursor:pointer;padding:10px 0;color:var(--green)}.mobile-nav nav{position:absolute;right:0;top:40px;width:220px;background:#11160d;border:1px solid #3d482c;border-radius:8px;padding:15px;z-index:3;box-shadow:0 8px 20px #0007}.mobile-nav nav a{display:block;padding:10px}.status-bar .wrap{font-size:11px;line-height:1.7;flex-wrap:wrap;gap:3px}.hero{grid-template-columns:1fr;padding-top:48px;padding-bottom:48px;gap:36px}.hero:after{width:450px;height:450px;right:-200px;top:60px}.hero h1{font-size:56px;letter-spacing:-2.8px;max-width:600px}.hero .intro{font-size:15px}.model-card-top{padding:20px 24px}.model-glyph{padding:26px 24px}.model-card dl{padding:10px 24px 18px}.model-card footer{padding:15px 24px}.topic-grid{grid-template-columns:1fr 1fr}.topic{padding:22px 18px}.topic h3{font-size:18px}.section{padding-top:44px;padding-bottom:44px}.section-heading{align-items:start;flex-direction:column;gap:16px}.section-heading h2{font-size:34px}.feature{grid-template-columns:1fr;gap:14px}.feature h2{font-size:34px}.source-strip{padding:25px;align-items:start;flex-direction:column;gap:22px}.site-footer{flex-direction:column;line-height:1.7}.article-header{padding:30px 0}.article-header h1{font-size:39px;letter-spacing:-1.4px}.article-header .dek{font-size:16px}.article-layout{display:flex;flex-direction:column;gap:28px}.toc{position:static;order:-1;border-left:0;border-bottom:1px solid var(--line);padding:0 0 18px}.toc a{display:inline-block;padding:5px 13px 5px 0}.toc .label{margin-bottom:5px}.prose{font-size:15px}table{min-width:560px}.price-table{min-width:460px}}
@media(max-width:480px){.hero h1{font-size:44px}.topic-grid{grid-template-columns:1fr}.brand{font-size:16px}.article-header h1{font-size:34px}.hero .label{font-size:10px;letter-spacing:.8px}.model-card-top .label{font-size:9px;letter-spacing:.7px}.model-card dl div{font-size:10px}.element b{font-size:31px}.section-heading h2,.feature h2{font-size:30px}.button{padding:13px 18px;font-size:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Inner pages: shared reading shell, with task-specific directories and reference panels. */
.nav a[aria-current]{color:var(--green)}
.article-hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);gap:55px;align-items:center;padding:10px 0 45px}
.article-hero .article-header{max-width:none;padding-bottom:12px}
.answer-card{border:1px solid #39432b;border-radius:10px;background:radial-gradient(ellipse at top right,#d8ff3e0c,transparent 75%),#10150c;padding:27px}
.answer-card h2{font-size:19px;font-weight:500;letter-spacing:-.5px;margin:18px 0 12px;line-height:1.4;scroll-margin-top:24px}
.answer-card p{font-size:13px;line-height:1.85;color:#b3bba6;margin:0 0 18px}
.answer-card p a{color:#d1deab}.answer-source{font:10px/1.7 'SF Mono',Consolas,monospace;text-decoration:none;color:var(--green)}
.page-feature{padding:20px 0 45px}.page-feature .section-heading h2{font-size:30px;letter-spacing:-1px;line-height:1.25}
.directory-count{font:10px/1.8 'SF Mono',Consolas,monospace;color:var(--muted)}
.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.directory-card,.channel-card{display:flex;flex-direction:column;padding:27px;border:1px solid var(--line);border-radius:9px;background:#10140c;text-decoration:none}
.directory-card:hover{border-color:#90a83f;background:#171e0d;color:var(--ink)}
.directory-card .num{font:10px/1.7 'SF Mono',Consolas,monospace;color:#909c77}
.directory-card h3,.channel-card h3{font-size:23px;letter-spacing:-.8px;font-weight:500;line-height:1.3;margin:27px 0 15px}
.directory-card p,.channel-card p{font-size:13px;color:var(--muted);line-height:1.85;margin:0 0 28px}
.directory-action{margin-top:auto;color:var(--green);font-size:12px;display:flex;justify-content:space-between;gap:20px}
.channel-status{color:var(--green);font:10px/1.7 'SF Mono',Consolas,monospace;letter-spacing:.8px}.channel-status:before{content:'● ';font-size:8px}.channel-status.planned{color:#a8b38b}.channel-card small{color:#889774;font-size:11px;margin-top:auto}
.score-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.score-card{padding:23px 20px;background:#10140c;border:1px solid var(--line);border-radius:9px}
.score-card h3{font-size:15px;font-weight:500;margin:0 0 28px;line-height:1.5}
.score-row{margin:18px 0}.score-row>div{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:10px;color:#a7ae9a}.score-row strong{font:13px 'SF Mono',Consolas,monospace;color:#d7dccb;white-space:nowrap}.score-row.argon strong{color:var(--green)}
.score-row meter{display:block;width:100%;height:6px;border:0;margin-top:9px;background:#2a3022;border-radius:2px}
.score-row meter::-webkit-meter-bar{background:#2a3022;border:0;border-radius:2px;height:6px}.score-row meter::-webkit-meter-optimum-value{background:#889473;border-radius:2px}.score-row.argon meter::-webkit-meter-optimum-value{background:var(--green)}.score-row meter::-moz-meter-bar{background:#889473}.score-row.argon meter::-moz-meter-bar{background:var(--green)}
.calculator{display:grid;grid-template-columns:1.6fr 1fr;background:#10140c;border:1px solid #3c4828;border-radius:10px;overflow:hidden}
.calculator-inputs{padding:30px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 18px}
.preset-row{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:5px}
.preset-row button{border:1px solid #3b452c;border-radius:5px;background:#1a210f;color:#b8c897;padding:9px 12px;font:11px/1.5 Inter,Arial,sans-serif;cursor:pointer}.preset-row button:hover{color:var(--green);border-color:var(--green)}
.calculator-inputs label{color:#b1b99f;font-size:11px;line-height:1.7}.calculator-inputs input{width:100%;margin-top:10px;display:block;padding:13px 10px;color:var(--ink);background:#090d07;border:1px solid #3a442b;border-radius:5px;font:15px 'SF Mono',Consolas,monospace}.calculator-inputs input:invalid{border-color:#ca9c6a}
.calculator-inputs p{grid-column:1/-1;color:#939e80;font-size:11px;line-height:1.8;margin:0}
.calculator-result{border-left:1px solid #3c4828;background:linear-gradient(125deg,#202b11,#11180a);padding:32px;display:flex;flex-direction:column}
.calculator-result label{font-size:12px;color:#a9b790;margin:24px 0 8px}.calculator-result output{font-size:42px;letter-spacing:-1.5px;font-weight:500;color:var(--green)}.calculator-result output+label{margin-top:22px}.calculator-result #later-total{font-size:26px;color:#d4ddc2;letter-spacing:-.6px}.calc-status{font-size:10px;color:#a9b790;margin:15px 0 24px}.calculator-result a{font-size:11px;color:var(--green);margin-top:auto}
.prompt-tools{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.prompt-tools button{cursor:pointer;font-family:inherit}.prompt-tools [role=status]{font-size:12px;color:#b8c698;line-height:1.7}
button:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:4px}
.prose .resource{background:#10160c;border:1px solid var(--line);border-radius:8px;padding:24px;margin:15px 0}.prose .resource h3{font-size:18px}.prose .resource a{font-size:14px}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.related-grid a{position:relative;display:block;margin:0;border:1px solid var(--line);border-radius:7px;background:#10140c;padding:20px 30px 20px 20px;text-decoration:none}.related-grid a:hover{border-color:#82983a}.related-grid span{display:block;color:var(--ink);font-size:15px;margin-bottom:9px}.related-grid small{display:block;color:var(--muted);font-size:11px;line-height:1.8}.related-grid b{position:absolute;top:19px;right:13px;color:var(--green);font-size:14px;font-weight:400}.related .source-link{margin-top:20px;font-size:12px}.toc-note{margin-top:25px;border-top:1px solid var(--line);padding-top:20px;color:#818c71;font-size:11px;line-height:1.8}
@media(max-width:1100px){.article-hero{gap:30px;grid-template-columns:1.5fr 1fr}.score-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.calculator-inputs{grid-template-columns:1fr;gap:14px}.calculator{grid-template-columns:1.25fr 1fr}.directory-card,.channel-card{padding:22px}.directory-card h3{font-size:20px}}
@media(max-width:800px){.article-hero{grid-template-columns:1fr;gap:12px;padding-bottom:35px}.article-hero .article-header{padding-bottom:6px}.answer-card{padding:24px}.directory-grid{grid-template-columns:1fr}.directory-card h3,.channel-card h3{margin-top:20px}.page-feature{padding-top:10px;padding-bottom:35px}.page-feature .section-heading h2{font-size:28px}.calculator{grid-template-columns:1fr}.calculator-inputs{padding:23px}.calculator-result{border-left:0;border-top:1px solid #3c4828;padding:25px}.calculator-result output{font-size:40px}.score-card{padding:20px}.score-row>div{font-size:10px;gap:5px}.related-grid{grid-template-columns:1fr}.toc-note{display:none}}
@media(max-width:480px){.score-grid{grid-template-columns:1fr}.page-feature .section-heading h2{font-size:25px}.article-header h1{font-size:34px}}