:root{--bg: #171614;--bg-elev: #201f1c;--bg-code: #1b1a17;--bg-inset: #262420;--border: rgba(255, 255, 255, .09);--border-hi: rgba(255, 255, 255, .16);--text: #ece9e3;--text-muted: #9c978c;--text-faint: #6e6a61;--accent: #8bb8dc;--accent-ink: #cfe3f2;--rust: #cd8560;--ok: #86b592;--warn: #cdb06a;--pale-blue-bg: rgba(139, 184, 220, .12);--pale-rust-bg: rgba(205, 133, 96, .12);--pale-green-bg: rgba(134, 181, 146, .12);--maxw: 68rem;--radius: 10px;--radius-sm: 6px;--ease: cubic-bezier(.16, 1, .3, 1);--display: "Space Grotesk", ui-sans-serif, system-ui, "Helvetica Neue", sans-serif;--sans: "Space Grotesk", ui-sans-serif, system-ui, "Helvetica Neue", sans-serif;--mono: "JetBrains Mono", ui-monospace, "SF Mono", "Menlo", monospace;color-scheme:dark}:root[data-theme=light]{--bg: #fbfbfa;--bg-elev: #ffffff;--bg-code: #f7f6f3;--bg-inset: #f2f1ec;--border: #eaeaea;--border-hi: rgba(0, 0, 0, .14);--text: #2f3437;--text-muted: #706d69;--text-faint: #9a968e;--accent: #1f6c9f;--accent-ink: #1a5680;--rust: #9d5433;--ok: #346538;--warn: #8a6400;--pale-blue-bg: #e1f3fe;--pale-rust-bg: #f7ebe4;--pale-green-bg: #edf3ec;color-scheme:light}:root[data-texture=atmospheric]{--radius: 16px;--radius-sm: 11px;--display: "Fraunces", "Iowan Old Style", Georgia, serif;--shadow-hero: 0 40px 90px -40px rgba(0, 0, 0, .8), 0 0 0 1px rgba(0, 0, 0, .3)}[data-texture=atmospheric] body:before{content:"";position:fixed;inset:0;background:radial-gradient(900px 520px at 78% -8%,rgba(205,133,96,.14),transparent 60%),radial-gradient(700px 500px at 8% 4%,rgba(139,184,220,.09),transparent 55%);pointer-events:none;z-index:0}[data-texture=atmospheric] body:after{content:"";position:fixed;inset:0;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='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");opacity:.035;mix-blend-mode:overlay;pointer-events:none;z-index:0}[data-texture=atmospheric] main,[data-texture=atmospheric] header,[data-texture=atmospheric] footer{position:relative;z-index:1}[data-texture=atmospheric] .cell{background:linear-gradient(180deg,var(--bg-elev),var(--bg))}[data-texture=atmospheric] .term--hero{box-shadow:var(--shadow-hero)}[data-texture=atmospheric]{--border: rgba(205, 133, 96, .14);--border-hi: rgba(205, 133, 96, .24)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;transition:background-color .3s var(--ease),color .3s var(--ease)}h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.03em;line-height:1.1;margin:0}h1{font-size:clamp(2.4rem,6vw,3.9rem)}h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}h3{font-size:1.15rem;letter-spacing:-.02em}[data-texture=atmospheric] h1,[data-texture=atmospheric] h2{font-weight:400;letter-spacing:-.022em}[data-texture=atmospheric] h1{line-height:1.02}[data-texture=atmospheric] h1 em,[data-texture=atmospheric] h2 em{font-style:italic;font-weight:500;color:var(--accent)}p{margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}strong{font-weight:600;color:var(--text)}::selection{background:var(--pale-blue-bg);color:var(--text)}code,kbd,pre,.mono{font-family:var(--mono);font-feature-settings:"calt" 1}.kicker,.section-label,.tag,.eyebrow{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase}.kicker,.section-label{font-size:.72rem;letter-spacing:.14em;color:var(--text-faint);margin-bottom:1.1rem}.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:1.5rem}.narrow{max-width:44rem}section{padding-block:clamp(4rem,9vw,7rem)}.divider{border:0;border-top:1px solid var(--border);margin:0}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}.skip{position:absolute;left:-999px;top:0;background:var(--text);color:var(--bg);padding:.6rem 1rem;border-radius:0 0 var(--radius-sm) 0;z-index:100}.skip:focus{left:0}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.rise{animation:rise .7s var(--ease) both}.rise-1{animation-delay:.05s}.rise-2{animation-delay:.12s}.rise-3{animation-delay:.19s}.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.reveal.in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}@font-face{font-family:Space Grotesk;src:url(/fonts/space-grotesk.woff2) format("woff2");font-weight:300 700;font-style:normal;font-display:swap}@font-face{font-family:JetBrains Mono;src:url(/fonts/jetbrains-mono.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}header.site{position:sticky;top:0;z-index:30;height:72px;display:flex;align-items:center;backdrop-filter:blur(14px);background:color-mix(in srgb,var(--bg) 66%,transparent);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;gap:26px;width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--text)}.brand:hover{text-decoration:none}.brand svg{width:26px;height:26px;color:var(--accent);flex-shrink:0}.brand-name{white-space:nowrap}.brand-name b{font-weight:700}.nav-links{display:flex;gap:22px;margin-left:auto;font-size:15px;color:var(--text-muted)}.nav-links a{color:inherit;transition:color .18s var(--ease);white-space:nowrap}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--text);text-decoration:none}.nav-links a[aria-current=page]{box-shadow:inset 0 -1px 0 var(--rust)}.nav-tools{display:flex;align-items:center;gap:10px;margin-left:20px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:color .18s var(--ease),border-color .18s var(--ease)}.icon-btn:hover{color:var(--text);border-color:var(--border-hi)}.icon-btn svg{width:16px;height:16px}.out:after{content:"↗";font-family:var(--mono);font-size:.78em;color:var(--rust);margin-left:.22em;vertical-align:baseline}.section-head{margin-bottom:44px;max-width:720px}.section-lede{color:var(--text-muted);max-width:56ch;font-size:1.05rem}.kicker,.section-label{color:var(--rust)}footer.site{border-top:1px solid var(--border);padding-block:40px;margin-top:clamp(4rem,8vw,6rem)}.foot{display:flex;align-items:flex-start;justify-content:space-between;gap:28px;flex-wrap:wrap;color:var(--text-muted);font-size:14px}.foot-links{display:flex;gap:18px;flex-wrap:wrap}.foot-links a{color:var(--text-muted)}.foot-links a:hover{color:var(--text)}.foot .license{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--text-muted);text-transform:uppercase}.foot-credit{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;gap:.5rem;font:inherit;font-weight:500;font-size:.95rem;padding:.62rem 1.1rem;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .12s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),opacity .18s var(--ease)}.btn-primary{background:var(--text);color:var(--bg)}.btn-primary:hover{opacity:.9;text-decoration:none}.btn-primary:active{transform:scale(.98)}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-hi)}.btn-ghost:hover{background:var(--bg-elev);text-decoration:none}.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.tag{display:inline-block;font-family:var(--mono);font-size:.66rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;padding:.2rem .55rem;border-radius:9999px;background:var(--pale-blue-bg);color:var(--accent-ink)}.tag--rust{background:var(--pale-rust-bg);color:var(--rust)}.tag--plain{background:var(--bg-inset);color:var(--text-muted)}.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.cell{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;transition:border-color .22s var(--ease),transform .22s var(--ease)}.cell:hover{border-color:var(--border-hi);transform:translateY(-3px)}.cell .tag{align-self:flex-start;margin-bottom:14px}.cell h3{font-family:var(--sans);font-weight:700;font-size:1.14rem;margin:0 0 9px}.cell p{color:var(--text-muted);font-size:.97rem;margin:0}.c-third{grid-column:span 2}.c-mid{grid-column:span 3}.c-full{grid-column:span 6}.c-feature{grid-column:span 4;min-height:220px;display:flex;flex-direction:column;justify-content:space-between;gap:20px}.big-num{font-family:var(--display);font-size:3.2rem;line-height:1;letter-spacing:-.02em;color:var(--accent)}.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}a.role-card{display:flex;flex-direction:column;gap:10px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:26px 26px 24px;color:var(--text);text-decoration:none;transition:border-color .22s var(--ease),transform .22s var(--ease)}a.role-card:hover{border-color:var(--border-hi);transform:translateY(-3px);text-decoration:none}.role-card .tag{align-self:flex-start}.role-card .role-name{font-family:var(--display);font-weight:600;font-size:1.2rem;letter-spacing:-.02em}.role-card p{color:var(--text-muted);font-size:.95rem;margin:0}.role-card .role-meta{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--rust);margin-top:auto;padding-top:12px}.flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--text-muted)}.flow-step{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}.flow .chip{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:7px 11px}.flow .chip--hot{color:var(--accent);border-color:var(--border-hi)}.flow .arrow{color:var(--rust)}.term{background:var(--bg-code);border:1px solid var(--border);border-radius:12px;overflow:hidden}.term-bar{display:flex;align-items:center;gap:.75rem;padding:.6rem .9rem;background:var(--bg-inset);border-bottom:1px solid var(--border)}.term-dots{display:inline-flex;gap:.45rem}.term-dots i{width:11px;height:11px;border-radius:50%;background:var(--border-hi)}.term-dots i:first-child{background:color-mix(in srgb,var(--rust) 70%,transparent)}.term-title{font-family:var(--mono);font-size:.72rem;color:var(--text-muted);margin-inline:auto;padding-right:3rem}.term-body{font-family:var(--mono);font-size:clamp(.7rem,1.7vw,.86rem);line-height:1.85;padding:1.1rem 1.2rem 1.4rem;color:var(--text);overflow-x:auto}.tline{display:flex;gap:.6rem;white-space:pre;min-height:1.85em}.tline--out{padding-left:1.2rem}.tline-pre{flex-shrink:0;font-weight:500}.pre-cmd{color:var(--accent)}.pre-ok,.pre-serve{color:var(--ok)}.pre-warn{color:var(--warn)}.tline[data-serve] .tline-body{color:var(--text-muted)}.tline[data-serve] .pre-serve{animation:pulse 2.4s var(--ease) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}.band{background:var(--bg-elev);border-block:1px solid var(--border)}.band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.stat .n{font-family:var(--display);font-size:clamp(2.2rem,4.4vw,3.2rem);line-height:1;letter-spacing:-.02em;color:var(--text)}.stat .n{display:flex;align-items:baseline;gap:.35rem;flex-wrap:wrap}.stat .n span{color:var(--rust);font-size:.42em;letter-spacing:-.01em}.stat .l{color:var(--text-muted);margin-top:12px;font-size:.96rem;max-width:32ch}.matrix{width:100%;border-collapse:separate;border-spacing:0}.matrix thead th{font-family:var(--sans);font-weight:500;font-size:.95rem;color:var(--text-muted);text-align:center;padding:0 0 18px}.matrix thead th:first-child{text-align:left}.matrix thead th.us{color:var(--accent);font-weight:700}.matrix .head-divider th{border-bottom:1px solid var(--border)}.matrix tbody td{padding:15px 12px;text-align:center;font-size:.93rem;color:var(--text-muted)}.matrix tbody th[scope=row]{text-align:left;color:var(--text);font-weight:500;font-family:var(--sans);font-size:.93rem;padding:15px 12px}.matrix tbody td:first-child{text-align:left;color:var(--text);font-weight:500}.matrix tbody tr th:first-child{border-radius:10px 0 0 10px}.matrix tbody tr:nth-child(odd) td{background:color-mix(in srgb,var(--text) 2%,transparent)}.matrix tbody tr td:first-child{border-radius:10px 0 0 10px}.matrix tbody tr td:last-child{border-radius:0 10px 10px 0}.matrix .col-us{background:var(--pale-blue-bg)!important;color:var(--text)}.matrix .col-us.yes{color:var(--accent)}.yes{color:var(--accent);font-size:1.05rem}.no{color:var(--text-faint)}.part{color:var(--text-muted)}.scope{display:grid;grid-template-columns:1fr 1fr;gap:16px}.scope-col{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:28px}.scope-label{font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.1rem}.scope-label--in{color:var(--ok)}.scope-label--out{color:var(--rust)}.scope-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.7rem}.scope-col li{color:var(--text-muted);font-size:.96rem;padding-left:1.2rem;position:relative;line-height:1.5}.scope-col li:before{content:"";position:absolute;left:0;top:.62em;width:7px;height:1px;background:var(--rust);opacity:.75}.lesson-head{padding-top:clamp(2.4rem,5vw,3.4rem)}.crumbs{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);margin-bottom:1.1rem;display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}.crumbs a{color:var(--rust)}.crumbs .sep{color:var(--text-faint)}.lesson-head h1{font-size:clamp(2rem,4.6vw,3rem);max-width:20ch}.lesson-lede{color:var(--text-muted);font-size:1.1rem;max-width:56ch;margin-top:1.1rem}.lesson-meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:1.5rem;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase}.lesson-meta .m{color:var(--text-muted);background:var(--bg-inset);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.28rem .6rem}.lesson-meta .m b{color:var(--rust);font-weight:400}.stamp{margin-top:1.8rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:16px 18px}.stamp-line{display:flex;gap:8px;flex-wrap:wrap;align-items:baseline;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em}.stamp-key{color:var(--rust);text-transform:uppercase;letter-spacing:.12em}.stamp-val{color:var(--text)}.stamp-sources{margin-top:10px;padding-top:10px;border-top:1px solid var(--border);font-size:.86rem;color:var(--text-muted)}.stamp-sources ul{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:5px}.stamp-sources li{padding-left:1.1rem;position:relative}.stamp-sources li:before{content:"";position:absolute;left:0;top:.62em;width:7px;height:1px;background:var(--rust);opacity:.75}.stamp--stale{border-color:var(--warn)}.stale-banner{border:1px solid var(--warn);border-radius:var(--radius);background:color-mix(in srgb,var(--warn) 9%,transparent);padding:16px 18px;margin-top:1.8rem;color:var(--text);font-size:.95rem}.stale-banner .stale-label{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--warn);display:block;margin-bottom:6px}.prose{max-width:44rem;font-size:1.02rem;line-height:1.72}.prose>*+*{margin-top:1.25rem}.prose h2{font-size:clamp(1.45rem,2.8vw,1.85rem);margin-top:3rem;padding-top:.4rem;scroll-margin-top:90px}.prose h3{font-size:1.16rem;margin-top:2.2rem;scroll-margin-top:90px}.prose h2+p,.prose h3+p{margin-top:.85rem}.prose p{color:var(--text-muted)}.prose strong{color:var(--text)}.prose ul,.prose ol{margin-left:0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:.6rem}.prose li{color:var(--text-muted);padding-left:1.35rem;position:relative}.prose ul>li:before{content:"";position:absolute;left:0;top:.68em;width:8px;height:1px;background:var(--rust);opacity:.8}.prose ol{counter-reset:step}.prose ol>li{counter-increment:step}.prose ol>li:before{content:counter(step);position:absolute;left:0;top:0;font-family:var(--mono);font-size:.76rem;color:var(--rust);line-height:1.72}.prose li>ul,.prose li>ol{margin-top:.6rem}.prose blockquote{border-left:2px solid var(--rust);padding-left:1.1rem;margin-left:0;color:var(--text-muted);font-style:normal}.prose blockquote p{color:var(--text-muted)}.prose hr{border:0;border-top:1px solid var(--border);margin-block:2.4rem}.prose a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent)}.prose a:hover{text-decoration-color:var(--accent)}.prose a.gloss-link{color:inherit;text-decoration:underline dotted;text-decoration-color:color-mix(in srgb,var(--rust) 55%,transparent);text-underline-offset:4px}.prose a.gloss-link:hover{color:var(--rust);text-decoration-color:var(--rust)}.prose table{width:100%;border-collapse:separate;border-spacing:0;font-size:.93rem;display:block;overflow-x:auto}.prose table th{text-align:left;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--rust);padding:0 12px 12px 0;border-bottom:1px solid var(--border);white-space:nowrap}.prose table td{padding:12px 12px 12px 0;color:var(--text-muted);border-bottom:1px solid var(--border);vertical-align:top}.prose table td:first-child{color:var(--text)}.prose img{max-width:100%;height:auto;border-radius:var(--radius)}.prose figure{margin:0}.prose figcaption{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-top:10px}.prose pre{background:var(--bg-code);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.15rem;overflow-x:auto;font-size:.82rem;line-height:1.7}.prose :not(pre)>code{font-family:var(--mono);font-size:.86em;padding:.12rem .36rem;border-radius:5px;background:var(--bg-inset);color:var(--text)}.astro-code,.astro-code span{color:var(--shiki-dark);background:transparent}:root[data-theme=light] .astro-code,:root[data-theme=light] .astro-code span{color:var(--shiki-light)}kbd{font-family:var(--mono);font-size:.82em;padding:.1rem .4rem;border:1px solid var(--border-hi);border-bottom-width:2px;border-radius:5px;background:var(--bg-inset);color:var(--text)}.adm{border:1px solid var(--border);border-left-width:2px;border-radius:var(--radius);background:var(--bg-elev);padding:20px 22px;margin-top:1.6rem}.adm>*+*{margin-top:.8rem}.adm p{color:var(--text-muted)}.adm-label{font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;display:block}.adm--note{border-left-color:var(--accent)}.adm--note .adm-label{color:var(--accent)}.adm--tip{border-left-color:var(--ok)}.adm--tip .adm-label{color:var(--ok)}.adm--warning{border-left-color:var(--warn)}.adm--warning .adm-label{color:var(--warn)}.adm--model{border-left-color:var(--rust);background:var(--bg-elev)}.adm--model .adm-label{color:var(--rust)}.adm--model .adm-body{font-size:1.04rem}.adm--checkpoint{border-left-color:var(--rust)}.adm--checkpoint .adm-label{color:var(--rust)}.adm--disputed{border-left-color:var(--warn)}.adm--disputed .adm-label{color:var(--warn)}details.reveal-block{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:0;margin-top:1.6rem;overflow:hidden}details.reveal-block>summary{cursor:pointer;padding:18px 22px;list-style:none;font-family:var(--mono);font-size:.78rem;letter-spacing:.03em;line-height:1.55;color:var(--rust);display:flex;align-items:flex-start;gap:14px}details.reveal-block>summary::-webkit-details-marker{display:none}details.reveal-block>summary:after{content:"show";margin-left:auto;color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;font-size:.66rem;flex-shrink:0;padding-top:.15rem}details.reveal-block[open]>summary:after{content:"hide"}details.reveal-block>summary:hover{color:var(--text)}.reveal-body{padding:0 22px 20px;border-top:1px solid var(--border)}.reveal-body>*+*{margin-top:.8rem}.reveal-body p{color:var(--text-muted)}.param{font-family:var(--mono);font-size:.88em;padding:.1rem .4rem;border-radius:5px;background:var(--pale-blue-bg);color:var(--accent-ink);border-bottom:1px solid color-mix(in srgb,var(--accent) 40%,transparent);cursor:help;white-space:nowrap}.param--disputed{background:var(--pale-rust-bg);color:var(--rust);border-bottom-color:color-mix(in srgb,var(--rust) 50%,transparent)}.param--deprecated{background:var(--bg-inset);color:var(--text-muted);text-decoration:line-through;text-decoration-color:var(--rust)}.ptable{width:100%;border-collapse:separate;border-spacing:0}.ptable th{text-align:left;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--rust);padding:0 14px 12px 0;border-bottom:1px solid var(--border)}.ptable td{padding:16px 14px 16px 0;border-bottom:1px solid var(--border);color:var(--text-muted);font-size:.94rem;vertical-align:top}.ptable td.pv{font-family:var(--mono);color:var(--text);white-space:nowrap}.ptable td.pl{color:var(--text)}.ptable .pdate{font-family:var(--mono);font-size:.78rem;color:var(--text-muted);white-space:nowrap}@media(max-width:620px){.ptable{font-size:.86rem}.ptable th,.ptable td{padding-right:10px}}.ptable .pnote{margin-top:10px;font-size:.88rem;color:var(--text-muted);border-left:2px solid var(--warn);padding-left:12px}.ptable .pquote{margin-top:8px;font-size:.86rem;color:var(--text-muted);border-left:2px solid var(--border-hi);padding-left:12px;font-style:italic}.pstatus{font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;padding:.16rem .45rem;border-radius:9999px}.pstatus--current{background:var(--pale-green-bg);color:var(--ok)}.pstatus--disputed{background:var(--pale-rust-bg);color:var(--rust)}.pstatus--deprecated{background:var(--bg-inset);color:var(--text-muted)}.quiz{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:24px;margin-top:1.8rem}.quiz-label{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rust);display:block;margin-bottom:14px}.quiz-q{font-weight:600;color:var(--text);margin-bottom:14px;font-size:1.02rem}.quiz-q+.quiz-opts{margin-top:0}.quiz-opts{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;border:0}.quiz-opt{display:flex;gap:11px;align-items:flex-start;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);padding:12px 14px;cursor:pointer;color:var(--text-muted);font-size:.95rem;text-align:left;width:100%;font-family:inherit;line-height:1.5;transition:border-color .18s var(--ease),color .18s var(--ease)}.quiz-opt:hover:not(:disabled){border-color:var(--border-hi);color:var(--text)}.quiz-opt .mark{font-family:var(--mono);font-size:.78rem;color:var(--rust);flex-shrink:0;line-height:1.6}.quiz-opt[data-state=right]{border-color:var(--ok);color:var(--text);background:var(--pale-green-bg)}.quiz-opt[data-state=right] .mark{color:var(--ok)}.quiz-opt[data-state=wrong]{border-color:var(--warn);color:var(--text)}.quiz-opt[data-state=wrong] .mark{color:var(--warn)}.quiz-opt:disabled{cursor:default}.quiz-explain{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);color:var(--text-muted);font-size:.94rem}.quiz-explain[hidden]{display:none}.quiz-score{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-top:16px}.quiz-score b{color:var(--rust);font-weight:400}.calc{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:24px;margin-top:1.8rem}.calc-label{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rust);display:block;margin-bottom:16px}.calc-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}.calc-field{display:flex;flex-direction:column;gap:6px}.calc-field label{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.calc-field input{font-family:var(--mono);font-size:.94rem;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 11px;width:100%}.calc-field input:focus{border-color:var(--accent);outline:none}.calc-out{margin-top:20px;padding-top:18px;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px}.calc-out .n{font-family:var(--display);font-size:1.9rem;line-height:1;letter-spacing:-.02em;color:var(--text)}.calc-out .n span{color:var(--rust);font-size:.62em}.calc-out .l{font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-top:8px}.calc-note{margin-top:16px;font-size:.88rem;color:var(--text-muted)}.modules{display:flex;flex-direction:column;gap:34px}.module-head{display:flex;align-items:baseline;gap:12px;margin-bottom:14px;flex-wrap:wrap}.module-num{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rust)}.module-head h2{font-size:1.08rem;letter-spacing:-.02em}.lesson-list{display:flex;flex-direction:column;gap:1px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}a.lesson-row{display:flex;align-items:center;gap:14px;padding:15px 18px;background:var(--bg-elev);color:var(--text);text-decoration:none;border-bottom:1px solid var(--border);transition:background .18s var(--ease)}.lesson-list a.lesson-row:last-child{border-bottom:0}a.lesson-row:hover{background:var(--bg-inset);text-decoration:none}.lesson-row .tick{width:16px;height:16px;flex-shrink:0;border-radius:4px;border:1px solid var(--border-hi);position:relative}.lesson-row[data-done="1"] .tick{border-color:var(--ok);background:var(--pale-green-bg)}.lesson-row[data-done="1"] .tick:after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid var(--ok);border-width:0 1.6px 1.6px 0;transform:rotate(42deg)}.lesson-row .rtitle{flex:1;font-size:.98rem}.lesson-row[data-done="1"] .rtitle{color:var(--text-muted)}.lesson-row .rmeta{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);white-space:nowrap}.lesson-row .rmeta b{color:var(--rust);font-weight:400}.progress{margin-block:22px 34px}.progress-bar{height:3px;background:var(--bg-inset);border-radius:2px;overflow:hidden}.progress-fill{height:100%;background:var(--rust);width:0%;transition:width .35s var(--ease)}.progress-text{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-top:10px}.progress-text b{color:var(--rust);font-weight:400}.progress-reset{background:none;border:0;padding:0;margin-left:12px;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);cursor:pointer;text-decoration:underline;text-underline-offset:3px}.progress-reset:hover{color:var(--text-muted)}.checklist{display:flex;flex-direction:column;gap:10px;margin:0;padding:0;list-style:none}.checklist li{padding:0}.check-item{display:flex;gap:12px;align-items:flex-start;width:100%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:13px 15px;cursor:pointer;text-align:left;color:var(--text-muted);font-family:inherit;font-size:.95rem;line-height:1.5;transition:border-color .18s var(--ease),color .18s var(--ease)}.check-item:hover{border-color:var(--border-hi);color:var(--text)}.check-item .tick{width:16px;height:16px;flex-shrink:0;margin-top:2px;border-radius:4px;border:1px solid var(--border-hi);position:relative}.check-item[aria-pressed=true]{color:var(--text)}.check-item[aria-pressed=true] .tick{border-color:var(--ok);background:var(--pale-green-bg)}.check-item[aria-pressed=true] .tick:after{content:"";position:absolute;left:4px;top:1px;width:5px;height:9px;border:solid var(--ok);border-width:0 1.6px 1.6px 0;transform:rotate(42deg)}.mark-done{margin-top:2.6rem;padding-top:1.8rem;border-top:1px solid var(--border)}.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:2.4rem}a.pager-card{display:flex;flex-direction:column;gap:6px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:18px 20px;color:var(--text);text-decoration:none;transition:border-color .2s var(--ease)}a.pager-card:hover{border-color:var(--border-hi);text-decoration:none}.pager-card .dir{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rust)}.pager-card .t{font-size:.99rem}.pager-card.next{text-align:right}.pager-card.next.only{grid-column:2}.cta-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:2rem}a.cta-card{display:flex;flex-direction:column;gap:8px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:20px 22px;color:var(--text);text-decoration:none;transition:border-color .2s var(--ease),transform .2s var(--ease)}a.cta-card:hover{border-color:var(--border-hi);transform:translateY(-2px);text-decoration:none}.cta-card .cta-label{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rust)}.cta-card .cta-text{color:var(--text-muted);font-size:.93rem}.toc{position:sticky;top:96px;font-size:.88rem}.toc-label{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rust);margin-bottom:12px}.toc ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}.toc a{color:var(--text-muted);text-decoration:none;line-height:1.4;display:block}.toc a:hover{color:var(--text)}.toc li.d3{padding-left:14px}.lesson-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}@media(min-width:1180px){.lesson-grid{grid-template-columns:minmax(0,1fr) 190px}.lesson-grid>.toc-col{display:block}}.toc-col{display:none}.gloss-nav{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:34px}.gloss-nav a{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius-sm);padding:5px 9px;text-decoration:none;min-width:30px;text-align:center}.gloss-nav a:hover{color:var(--text);border-color:var(--border-hi);text-decoration:none}.gloss-group{margin-bottom:40px;scroll-margin-top:90px}.gloss-letter{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--rust);border-bottom:1px solid var(--border);padding-bottom:10px;margin-bottom:20px}.gloss-item{padding-block:16px;border-bottom:1px solid var(--border);scroll-margin-top:90px}.gloss-term{font-weight:600;color:var(--text);font-size:1.02rem}.gloss-alias{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-left:10px}.gloss-def{color:var(--text-muted);margin-top:7px;font-size:.96rem;line-height:1.65}.gloss-more{margin-top:8px;font-size:.86rem}#pagefind-ui{--pagefind-ui-scale: .86}.hero{padding-block:clamp(3.2rem,8vw,5.4rem) clamp(2.4rem,5vw,3.6rem)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}.eyebrow{display:inline-block;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--rust);background:var(--pale-rust-bg);border-radius:9999px;padding:.3rem .75rem;margin-bottom:1.4rem}.hero h1{max-width:15ch}.hero-lede{color:var(--text-muted);font-size:1.1rem;max-width:34ch;margin-top:1.3rem}.hero .btn-row{margin-top:2rem}@media(max-width:1020px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero-lede{max-width:52ch}}@media(max-width:920px){.nav-links{display:none}.bento{grid-template-columns:repeat(2,1fr)}.c-third,.c-mid,.c-feature,.c-full{grid-column:span 2}.c-feature{min-height:auto}.roles{grid-template-columns:repeat(2,1fr)}.band-grid{grid-template-columns:1fr;gap:34px}.scope{grid-template-columns:1fr}.matrix{font-size:.85rem}.cta-row{grid-template-columns:1fr}}@media(max-width:620px){.roles,.pager{grid-template-columns:1fr}.pager-card.next{text-align:left}.pager-card.next.only{grid-column:1}section{padding-block:76px}}@media(max-width:540px){.bento{grid-template-columns:1fr}.c-third,.c-mid,.c-feature,.c-full{grid-column:span 1}}