:root{--bg:#fffdf5;--surface:#ffffff;--ink:#23262e;--muted:#555b66;--accent:#c8232c;--accent-ink:#ffffff;--accent2:#1f6fa8;--line:#e6e0cc;--hero-ink:#23262e;--r:14px;--maxw:1180px;--measure:68ch;--hf:'Sniglet', 'Trebuchet MS', sans-serif;--bf:'Plus Jakarta Sans', system-ui, 'Segoe UI', sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--bf)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em}
h1,h2,h3,h4{font-family:var(--hf);line-height:1.18;margin:1.6em 0 .5em;font-weight:400;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.4rem);margin-top:0}
h2{font-size:clamp(1.4rem,3vw,2rem)}h3{font-size:1.2rem}
p,ul,ol,table,details{margin:0 0 1.1em}
.wrap{max-width:max(var(--maxw),min(88vw,1760px));margin:0 auto;padding:0 20px}
@media(min-width:1800px){body article.prose>:is(p,ul,ol,h2,h3,h4,blockquote,dl,details,.callout,.disclosure,.table-wrap){max-width:52rem}}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:var(--surface);padding:8px;z-index:9}
header.site{border-bottom:1px solid var(--line);background:var(--surface)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{font-family:var(--hf);font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.brand svg{flex:none}
nav.main ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;padding:0}
nav.main a{color:var(--ink);text-decoration:none;font-size:.95rem;padding:4px 0;border-bottom:2px solid transparent}
nav.main a[aria-current]{border-color:var(--accent)}
.menu-btn{display:none}
@media(max-width:760px){.menu-btn{display:inline-block;background:none;border:1px solid var(--line);color:var(--ink);border-radius:var(--r);padding:6px 12px;font:inherit}
nav.main{width:100%;display:none}nav.main.open{display:block}nav.main ul{flex-direction:column;gap:6px}}
.hero{position:relative;overflow:hidden}
.hero .wrap{padding-top:56px;padding-bottom:56px}
.hero .lead{font-size:1.18rem;color:var(--muted);max-width:60ch}
.hero.full{color:var(--hero-ink);min-height:440px;display:flex;align-items:flex-end}
.hero.full img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero.full::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.62))}
.hero.full .wrap{position:relative;z-index:1;width:100%}.hero.full .lead{color:inherit;opacity:.92}
.hero.split .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero.split img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero.banner img{width:100%;max-height:380px;object-fit:cover;border-radius:var(--r);margin-top:28px}
.hero.plain{background:var(--surface);border-bottom:1px solid var(--line)}
@media(max-width:760px){.hero.split .wrap{grid-template-columns:1fr}.hero.full{min-height:340px}.hero .wrap{padding-top:36px;padding-bottom:36px}}
.page{display:grid;gap:48px;padding-top:40px;padding-bottom:64px}
.page.toc-layout{grid-template-columns:220px minmax(0,1fr)}
.page.toc-layout .toc{position:sticky;top:20px;align-self:start;font-size:.92rem;border-left:3px solid var(--accent);padding-left:14px}
.page.toc-layout .toc ul{list-style:none;padding:0;margin:0}.page.toc-layout .toc li{margin:.35em 0}
.page.toc-layout .toc a{color:var(--muted);text-decoration:none}
@media(max-width:860px){.page.toc-layout{grid-template-columns:1fr}.page.toc-layout .toc{position:static}}
/* Content uses the full container width (cards, grids, tables); only running text keeps a readable measure. */
article.prose{max-width:none;min-width:0}
article.prose>:is(p,ul,ol,h2,h3,h4,blockquote,dl,details,.callout,.disclosure,.table-wrap){max-width:47.5rem;margin-left:auto;margin-right:auto}
.page.toc-layout article.prose>*{margin-left:0;margin-right:0}
/* A heading that introduces a full-width block (cards, grid, table) lines up with that block, not the text column. */
body article.prose>:is(h2,h3):has(+ :is(.cards,nav,div,table,section,ul.grid)){max-width:none;margin-left:0;margin-right:0}
.page.wide article.prose>*{max-width:none}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:0 0 1.4em}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card h3{margin-top:0}.card p:last-child{margin-bottom:0}
a.card{display:block;color:var(--ink);text-decoration:none}a.card:hover{border-color:var(--accent)}
.callout{border-left:4px solid var(--accent2);background:var(--surface);padding:14px 18px;border-radius:0 var(--r) var(--r) 0;margin:0 0 1.2em}
.table-wrap{overflow-x:auto;margin:0 0 1.2em}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
th{font-family:var(--hf);background:var(--surface)}
details{border:1px solid var(--line);border-radius:var(--r);padding:10px 16px;background:var(--surface)}
summary{cursor:pointer;font-weight:600}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;position:relative;padding-left:44px;margin-bottom:1em}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700;font-size:.9rem}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:10px 18px;border-radius:var(--r);text-decoration:none;font-weight:600;border:0;font:inherit;cursor:pointer}
.aff{border:1px dashed var(--accent);border-radius:var(--r);padding:16px 18px;margin:0 0 1.2em;background:var(--surface)}
.aff .tag{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.disclosure{font-size:.88rem;color:var(--muted);border:1px solid var(--line);border-radius:var(--r);padding:10px 14px;margin:0 0 1.6em}
.meta{font-size:.88rem;color:var(--muted)}
dl dt{font-family:var(--hf);font-weight:700;margin-top:1em}dl dd{margin:.2em 0 0 0;color:var(--ink)}
footer.site{border-top:1px solid var(--line);background:var(--surface);font-size:.92rem;color:var(--muted)}
footer.site .wrap{padding-top:32px;padding-bottom:32px;display:grid;gap:18px}
footer.site ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 18px}
footer.site a{color:var(--muted)}
.kc{font-size:17px}
.kc h1,.kc h2{font-weight:800;letter-spacing:0}
.kc header.site{background:#fff;border-bottom:0;position:relative}
.kc header.site::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:8px;background:linear-gradient(90deg,#d7262e 0 33.3%,#4aa8e0 33.3% 66.6%,#ffe14d 66.6%);-webkit-mask:radial-gradient(circle at 6px 0,#000 5px,transparent 5.5px) 0 0/12px 8px repeat-x;mask:radial-gradient(circle at 6px 0,#000 5px,transparent 5.5px) 0 0/12px 8px repeat-x}
.kc .brand{font-weight:800;font-size:1.5rem;color:#d7262e;letter-spacing:.01em}
.kc nav.main a{font-weight:600;font-size:.92rem;border-radius:999px;padding:5px 12px;border:0}
.kc nav.main ul{gap:4px 6px}
.kc nav.main a:hover{background:#fff3b0}
.kc nav.main a[aria-current]{background:#4aa8e0;color:#0d2233}
.kc .menu-btn{border-radius:999px;border:2px solid #4aa8e0;font-weight:600}
.kc .hero{background:#eaf6fd;background-image:radial-gradient(#cfe8f7 1.5px,transparent 1.6px);background-size:22px 22px;border-bottom:0}
.kc .hero .kicker{display:inline-block;justify-self:start;background:#ffe14d;color:#3b3000;font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;padding:4px 12px;border-radius:999px;transform:rotate(-1.5deg);margin:0 0 1em}
.kc .hero h1{color:#23262e;max-width:20ch}
.kc .hero h1::after{content:"";display:block;width:140px;height:10px;margin-top:.35em;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 140 10'%3E%3Cpath d='M2 6c12-6 22 4 34 0s22-6 34 0 22 4 34 0 22-5 34-1' fill='none' stroke='%23d7262e' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat}
.kc .hero .lead{color:#3a404c}
.kc .hero.split img{border-radius:18px;border:8px solid #fff;box-shadow:0 10px 0 #ffe14d,0 16px 30px rgba(31,111,168,.18);transform:rotate(1.2deg)}
.kc .hero.plain .wrap{display:grid;gap:12px 48px;align-items:center}
@media(min-width:1100px){.kc .hero.plain .wrap:not(:has(.art)){grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}.kc .hero.plain .wrap:not(:has(.art)) h1{grid-column:1;margin-bottom:0}.kc .hero.plain .wrap:not(:has(.art)) .lead{grid-column:2;grid-row:2;align-self:end;margin:0}}
@media(min-width:900px){.kc .hero.plain .wrap:has(.art){grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}.kc .hero.plain .wrap>:not(.art){grid-column:1}.kc .hero.plain .art{grid-column:2;grid-row:1/span 3}}
.kc .art svg{width:100%;max-width:520px;height:auto;display:block;margin:0 auto}
.kc .prose h2{color:#23262e;position:relative;padding-left:22px}
.kc .prose h2::before{content:"";position:absolute;left:0;top:.28em;width:12px;height:.9em;border-radius:6px;background:#d7262e}
.kc .prose h2:nth-of-type(3n+2)::before{background:#4aa8e0}.kc .prose h2:nth-of-type(3n)::before{background:#f2c200}
.kc .prose h3{color:#1f6fa8;font-weight:400}
.kc .cards{gap:22px;margin-top:.4em}
.kc .card{position:relative;border:2px solid #23262e;border-radius:16px;padding:24px 22px 20px;box-shadow:5px 5px 0 #4aa8e0;background:#fff}
.kc .card:nth-child(3n+2){box-shadow:5px 5px 0 #d7262e}.kc .card:nth-child(3n){box-shadow:5px 5px 0 #f2c200}
.kc .card::before{content:"";position:absolute;top:-10px;left:24px;width:58px;height:18px;background:rgba(255,225,77,.85);transform:rotate(-4deg);border-radius:2px}
.kc .card h3{color:#23262e;font-size:1.25rem;margin-bottom:.4em}
.kc a.card{transition:transform .15s}
.kc a.card:hover{transform:translate(-2px,-2px);border-color:#c8232c}
.kc .callout{border:2px dashed #4aa8e0;border-radius:16px;background:#f2f9fe;padding:16px 20px}
.kc .callout.warn{border-color:#d7262e;background:#fff4f2}
.kc th{background:#4aa8e0;color:#0d2233;font-family:var(--hf);font-weight:400;font-size:1rem}
.kc .table-wrap{border:2px solid #23262e;border-radius:14px;background:#fff}
.kc tbody tr:nth-child(even) td{background:#fffbe6}
.kc td:first-child{font-weight:700;white-space:nowrap}
.kc details{border:2px solid #e6e0cc;border-radius:14px;background:#fff}
.kc summary{color:#1f6fa8}
.kc .steps li::before{background:#ffe14d;color:#3b3000;font-family:var(--hf);border:2px solid #23262e}
.kc .ph{margin:0 0 1.6em}.kc .ph img{border-radius:16px;border:6px solid #fff;box-shadow:0 0 0 2px #23262e,6px 6px 0 2px #4aa8e0;width:100%;max-height:520px;object-fit:cover}
.kc .ph figcaption{font-size:.88rem;color:var(--muted);margin-top:.7em}
.kc footer.site{background:#123a57;color:#d6e9f6;border-top:0;position:relative}
.kc footer.site::before{content:"";position:absolute;left:0;right:0;top:-8px;height:8px;background:#123a57;-webkit-mask:radial-gradient(circle at 6px 8px,#000 5px,transparent 5.5px) 0 0/12px 8px repeat-x;mask:radial-gradient(circle at 6px 8px,#000 5px,transparent 5.5px) 0 0/12px 8px repeat-x}
.kc footer.site a{color:#ffe14d}
/* Fold diagrams */
.kc .fds{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px;margin:0 0 1.8em}
.kc .fd{margin:0;background:#fffbe0;border:2px solid #23262e;border-radius:16px;padding:14px 14px 16px;display:flex;flex-direction:column;gap:10px}
.kc .fd svg{width:100%;height:auto;max-height:340px;display:block;background:#fff8cc;border-radius:10px}
.kc .fd .n circle{fill:#23262e}.kc .fd .n text{fill:#fff;font:700 10px/1 'Plus Jakarta Sans',sans-serif;text-anchor:middle}
.kc .fd figcaption strong{font-family:var(--hf);font-weight:400;font-size:1.15rem;display:block;margin-bottom:.2em}
.kc .fd figcaption p{margin:0;font-size:.94rem;color:#3a404c}
.kc .fd ol{margin:.3em 0 0;padding-left:1.2em;font-size:.94rem}.kc .fd li{margin:.25em 0}
.kc .fds.big{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.kc .legend{list-style:none;padding:12px 16px;margin:0 0 1.4em;display:flex;flex-wrap:wrap;gap:8px 26px;background:#fff;border:2px dashed #c9ccd3;border-radius:14px;font-size:.9rem}
.kc .legend li{display:flex;align-items:center;gap:8px}
.kc article.prose>.legend{max-width:none}
@media(min-width:1800px){.kc .fds{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}}
@media(max-width:600px){.kc .card{box-shadow:4px 4px 0 #4aa8e0}.kc td:first-child{white-space:normal}.kc .hero.split img{transform:none}}