:root{--bg:#fbfaf7;--fg:#1c1b19;--muted:#5a5650;--card:#ffffff;--line:#d9d4ca;--accent:#1f5f8b;--accent-fg:#ffffff;--band:#f1eee7;--focus:#c96f00}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#151514;--fg:#ecebe7;--muted:#b3aea5;--card:#1f1f1d;--line:#3a3935;--accent:#7cb8e6;--accent-fg:#0d1b26;--band:#1d1d1b;--focus:#ffb454}}
:root[data-theme="dark"]{--bg:#151514;--fg:#ecebe7;--muted:#b3aea5;--card:#1f1f1d;--line:#3a3935;--accent:#7cb8e6;--accent-fg:#0d1b26;--band:#1d1d1b;--focus:#ffb454}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding-left:16px;padding-right:16px}
.skip{position:absolute;left:-999px;top:0;background:var(--card);padding:8px}.skip:focus{left:8px;z-index:9}
.top{border-bottom:1px solid var(--line)}.top .wrap{padding-top:12px;padding-bottom:12px}
.brand{font-weight:700;letter-spacing:.01em}
section{padding-top:36px;padding-bottom:36px}
.band{background:var(--band);border-radius:12px;margin-top:8px;margin-bottom:8px}
.hero{padding-top:56px;padding-bottom:40px}
h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.1;margin:0 0 16px;max-width:18ch}
h2{font-size:clamp(1.4rem,3.5vw,1.9rem);line-height:1.2;margin:0 0 14px}
h3{font-size:1.2rem;margin:26px 0 10px}
.sub{font-size:1.2rem;max-width:60ch;margin:0 0 24px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:8px 0 10px}
.btn{display:inline-block;font-weight:700;text-decoration:none;border-radius:10px;padding:14px 22px;border:2px solid var(--accent);min-height:48px}
.btn.primary{background:var(--accent);color:var(--accent-fg)}
.btn.secondary{background:transparent;color:var(--accent)}
.small{font-size:.9rem;color:var(--muted)}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;background:var(--card);border:1px solid var(--line);border-radius:8px}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
thead th{font-size:.9rem;color:var(--muted)}
.receipts td:nth-child(4){font-size:.92rem;color:var(--muted)}
.steps li{margin:0 0 14px;max-width:75ch}
.tight li{margin:4px 0}
.links li{margin:6px 0}
.paper{margin:0;padding:6px 22px 14px;background:var(--card);border-left:4px solid var(--accent);border-radius:6px}
.paper h3{margin-top:14px}.paper h4{margin:16px 0 4px;font-size:1rem}
.more{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px 28px}
.more ul{padding-left:18px;margin:0}.more li{margin:4px 0}
.foot{border-top:1px solid var(--line);padding:24px 0;margin-top:24px}
@media (max-width:700px){
  table.receipts thead,table.compare thead{display:none}
  table.receipts,table.receipts tbody,table.receipts tr,table.receipts th,table.receipts td,
  table.compare,table.compare tbody,table.compare tr,table.compare th,table.compare td{display:block;width:100%}
  table.receipts tr,table.compare tr{border-bottom:1px solid var(--line);padding:8px 0}
  table.receipts td,table.receipts th,table.compare td,table.compare th{border:none;padding:4px 12px}
  table.compare td:nth-of-type(1)::before{content:"Provider prompt caching: ";font-weight:600}
  table.compare td:nth-of-type(2)::before{content:"Substrate: ";font-weight:600}
}
.hero-grid{display:grid;grid-template-columns:1fr auto;gap:24px 40px;align-items:center}
.hero-img{width:220px;height:auto;max-width:100%}
@media (max-width:700px){.hero-grid{grid-template-columns:1fr}.hero-img{order:-1;width:160px;justify-self:start}}
.mn-card-panel{background:#0f172a;border-radius:12px;padding:16px 18px;color:#e2e8f0;display:flex;flex-direction:column;align-items:center;gap:.5rem;max-width:300px}
.mn-card-panel img{width:220px;height:auto;display:block;border-radius:8px}
.mn-hero-grid__mascot-caption{font-size:.68rem;color:rgba(250,245,235,.4);text-align:center;font-style:italic;line-height:1.4;max-width:180px}
.mn-card-panel .mn-hero-grid__mascot-caption{font-size:.85rem;color:rgba(250,245,235,.75)}
.mn-card-panel input:focus-visible,.mn-card-panel button:focus-visible,.mn-card-panel a:focus-visible{outline:3px solid #ffb454;outline-offset:2px}
@media (max-width:700px){.mn-card-panel{order:-1;justify-self:center}.mn-card-panel img{width:160px}}