:root{--background:0 0% 100%;--foreground:220 20% 15%;--card:0 0% 100%;--card-foreground:220 20% 15%;--primary:220 65% 38%;--primary-foreground:0 0% 100%;--secondary:220 15% 96%;--secondary-foreground:220 20% 15%;--muted:220 15% 96%;--muted-foreground:220 10% 45%;--accent:220 15% 93%;--accent-foreground:220 20% 15%;--border:220 15% 90%;--ring:220 65% 38%;--radius:.5rem;--header-h:4rem;--measure:72ch}.dark{--background:220 20% 9%;--foreground:220 15% 92%;--card:220 18% 12%;--card-foreground:220 15% 92%;--primary:220 75% 68%;--primary-foreground:220 20% 10%;--secondary:220 15% 18%;--secondary-foreground:220 15% 92%;--muted:220 15% 18%;--muted-foreground:220 10% 62%;--accent:220 15% 22%;--accent-foreground:220 15% 92%;--border:220 15% 22%;--ring:220 75% 68%}*,:before,:after{box-sizing:border-box;border-color:hsl(var(--border));margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 1rem)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:hsl(var(--background));color:hsl(var(--foreground));-webkit-font-smoothing:antialiased;font-feature-settings:"rlig" 1, "calt" 1;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:16px;line-height:1.6}a{color:hsl(var(--primary));text-underline-offset:4px}:focus-visible{outline:1px solid hsl(var(--ring));outline-offset:2px;border-radius:3px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip{z-index:100;background:hsl(var(--primary));color:hsl(var(--primary-foreground));border-radius:0 0 var(--radius) var(--radius);padding:.625rem 1.125rem;text-decoration:none;transition:top .15s;position:absolute;top:-4rem;left:1rem}.skip:focus{top:0}.container{max-width:72rem;margin:0 auto;padding:0 1rem}@media (width>=640px){.container{padding:0 1.5rem}}.site-header{z-index:50;border-bottom:1px solid hsl(var(--border));background:hsl(var(--background) / .95);width:100%;position:sticky;top:0}@supports (backdrop-filter:blur(8px)){.site-header{background:hsl(var(--background) / .8);backdrop-filter:blur(8px)}}.header-inner{max-width:72rem;height:var(--header-h);justify-content:space-between;align-items:center;gap:1rem;margin:0 auto;padding:0 1rem;display:flex}@media (width>=640px){.header-inner{padding:0 1.5rem}}.brand{color:inherit;align-items:center;gap:.75rem;text-decoration:none;display:flex}.brand img{object-fit:contain;width:2.5rem;height:2.5rem}@media (width>=640px){.brand img{width:3rem;height:3rem}}.brand-text{flex-direction:column;line-height:1.15;display:flex}.brand-title{letter-spacing:-.02em;color:hsl(var(--primary));font-size:1.25rem;font-weight:700}.brand-sub{color:hsl(var(--muted-foreground));font-size:.625rem;display:none}@media (width>=640px){.brand-sub{display:block}}.nav-desktop{align-items:center;gap:.25rem;display:none}@media (width>=900px){.nav-desktop{display:flex}}.nav-desktop a{border-radius:calc(var(--radius) - 2px);color:hsl(var(--muted-foreground));padding:.5rem .75rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:background-color .15s,color .15s}.nav-desktop a:hover,.nav-desktop a.is-active{background:hsl(var(--accent));color:hsl(var(--accent-foreground))}.header-actions{align-items:center;gap:.25rem;display:flex}.icon-btn{border-radius:calc(var(--radius) - 2px);width:2.25rem;height:2.25rem;color:inherit;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;transition:background-color .15s;display:inline-flex}.icon-btn:hover{background:hsl(var(--accent))}.icon-btn svg{width:1.25rem;height:1.25rem}.theme-toggle .icon-moon{display:none}.dark .theme-toggle .icon-moon{display:block}.dark .theme-toggle .icon-sun{display:none}@media (width>=900px){.menu-btn{display:none}}.search{position:relative}.search-field{align-items:center;display:flex;position:relative}.search-field svg{width:1rem;height:1rem;color:hsl(var(--muted-foreground));pointer-events:none;position:absolute;left:.625rem}.search input{font:inherit;width:12rem;height:2.25rem;color:hsl(var(--foreground));background:hsl(var(--background));border:1px solid hsl(var(--border));border-radius:calc(var(--radius) - 2px);padding:0 .75rem 0 2rem;font-size:.875rem}.search input::placeholder{color:hsl(var(--muted-foreground))}.search input:focus{border-color:hsl(var(--ring));box-shadow:0 0 0 1px hsl(var(--ring));outline:none}@media (width<=1100px){.search input{width:9rem}}@media (width<=899px){.search{display:none}}.drawer .search{margin-bottom:1.5rem;display:block}.drawer .search input{width:100%}.search-results{z-index:60;background:hsl(var(--card));min-width:22rem;max-height:65vh;color:hsl(var(--card-foreground));border:1px solid hsl(var(--border));border-radius:var(--radius);padding:.25rem;position:absolute;top:calc(100% + .375rem);left:0;right:0;overflow-y:auto;box-shadow:0 10px 38px -10px #00000040}@media (width<=899px){.search-results{min-width:0}}.search-results a{border-radius:calc(var(--radius) - 2px);color:hsl(var(--muted-foreground));padding:.5rem .625rem;font-size:.8125rem;line-height:1.45;text-decoration:none;display:block}.search-results a:hover,.search-results a.is-cursor{background:hsl(var(--accent))}.search-results a strong{color:hsl(var(--foreground));font-weight:600;display:block}.search-results a em{color:hsl(var(--primary));font-style:normal;font-weight:600}.search-results .sr-group{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--muted-foreground));font-size:.625rem;display:block}.search-results .sr-empty{color:hsl(var(--muted-foreground));padding:.75rem;font-size:.8125rem}.drawer-overlay{z-index:60;opacity:0;pointer-events:none;background:#00000080;transition:opacity .2s;position:fixed;inset:0}.drawer-overlay.is-open{opacity:1;pointer-events:auto}.drawer{z-index:61;background:hsl(var(--background));border-left:1px solid hsl(var(--border));width:20rem;max-width:85vw;padding:1.5rem 1.25rem;transition:transform .25s;position:fixed;top:0;bottom:0;right:0;overflow-y:auto;transform:translate(100%)}.drawer.is-open{transform:none}body.drawer-open{overflow:hidden}.drawer-head{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.drawer-head span{color:hsl(var(--primary));font-size:1.125rem;font-weight:700}.drawer nav{flex-direction:column;gap:.125rem;display:flex}.drawer nav a{border-radius:calc(var(--radius) - 2px);color:hsl(var(--muted-foreground));padding:.75rem;font-size:.875rem;font-weight:500;text-decoration:none}.drawer nav a:hover,.drawer nav a.is-active{background:hsl(var(--accent));color:hsl(var(--accent-foreground))}.drawer-group{border-top:1px solid hsl(var(--border));letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--muted-foreground));margin-top:1rem;padding-top:.75rem;font-size:.6875rem;font-weight:600}.btn{white-space:nowrap;border-radius:calc(var(--radius) - 2px);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;height:2.5rem;padding:0 2rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:background-color .15s,color .15s;display:inline-flex}.btn svg{flex-shrink:0;width:1rem;height:1rem}.btn-primary{background:hsl(var(--primary));color:hsl(var(--primary-foreground));box-shadow:0 1px 2px #0000000d}.btn-primary:hover{background:hsl(var(--primary) / .9)}.btn-outline{border-color:hsl(var(--border));background:hsl(var(--background));color:hsl(var(--foreground));box-shadow:0 1px 2px #0000000d}.btn-outline:hover{background:hsl(var(--accent));color:hsl(var(--accent-foreground))}.btn-sm{height:2rem;padding:0 .75rem;font-size:.75rem}.section{border-bottom:1px solid hsl(var(--border))}.section-muted{background:hsl(var(--muted) / .4)}.section-inner{max-width:72rem;margin:0 auto;padding:4rem 1rem}@media (width>=640px){.section-inner{padding:5rem 1.5rem}}.section-inner-tight{padding-top:3rem;padding-bottom:3rem}@media (width>=640px){.section-inner-tight{padding-top:3rem;padding-bottom:3rem}}.section-narrow{max-width:48rem;margin:0 auto}.section-cta{margin-top:2rem}.card-grid-spaced{margin-top:2.5rem}h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.2}.section-title{font-size:1.5rem;font-weight:700}@media (width>=640px){.section-title{font-size:1.875rem}}.section-lead{color:hsl(var(--muted-foreground));margin-top:1rem;line-height:1.7}.hero{border-bottom:1px solid hsl(var(--border));background:linear-gradient(to bottom, hsl(var(--primary) / .03), transparent)}.hero-inner{max-width:72rem;margin:0 auto;padding:5rem 1rem}@media (width>=640px){.hero-inner{padding:7rem 1.5rem}}.hero-inner-tight{padding-top:4rem;padding-bottom:4rem}@media (width>=640px){.hero-inner-tight{padding-top:4rem;padding-bottom:4rem}}.hero-content{text-align:center;max-width:48rem;margin:0 auto}.hero-eyebrow{border:1px solid hsl(var(--border));background:hsl(var(--background));color:hsl(var(--muted-foreground));border-radius:999px;margin-bottom:1.25rem;padding:.25rem .75rem;font-size:.75rem;font-weight:500;display:inline-block}.hero h1{text-wrap:balance;font-size:1.875rem;font-weight:700}@media (width>=640px){.hero h1{font-size:2.25rem}}@media (width>=1024px){.hero h1{font-size:3rem}}.hero-sub{max-width:42rem;color:hsl(var(--muted-foreground));margin:1.5rem auto 0;font-size:1.125rem;line-height:1.7}.hero-actions{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:2rem;display:flex}.stats{gap:2rem;display:grid}@media (width>=640px){.stats{grid-template-columns:repeat(4,1fr)}}.stat{text-align:center}.stat svg{width:2rem;height:2rem;color:hsl(var(--primary));margin:0 auto}.stat-value{margin-top:.75rem;font-size:1.5rem;font-weight:700}.stat-label{color:hsl(var(--muted-foreground));margin-top:.25rem;font-size:.875rem}.card-grid{gap:1.5rem;display:grid}@media (width>=768px){.card-grid{grid-template-columns:repeat(2,1fr)}}@media (width>=1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}.card{border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));color:hsl(var(--card-foreground));flex-direction:column;padding:1.5rem;transition:border-color .15s,box-shadow .15s;display:flex;box-shadow:0 1px 2px #0000000d}.card:hover{border-color:hsl(var(--primary) / .5);box-shadow:0 4px 16px -4px #0000001a}.card-num{letter-spacing:.06em;color:hsl(var(--primary));margin-bottom:.5rem;font-size:.75rem;font-weight:600}.card h3{font-size:1.125rem;font-weight:600}.card>ul{flex-direction:column;gap:.125rem;margin-top:1rem;list-style:none;display:flex}.card>ul a{color:hsl(var(--muted-foreground));gap:.5rem;padding:.25rem 0;font-size:.875rem;line-height:1.45;text-decoration:none;display:flex}.card>ul a:before{content:"›";color:hsl(var(--primary))}.card>ul a:hover{color:hsl(var(--primary))}.card>ul li.card-sub{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--muted-foreground));padding:.75rem 0 .25rem;font-size:.6875rem;font-weight:600}.card>ul li.card-sub:first-child{padding-top:0}.page-layout{grid-template-columns:16rem minmax(0,1fr);align-items:start;gap:3rem;max-width:72rem;margin:0 auto;padding:0 1rem;display:grid}@media (width>=640px){.page-layout{padding:0 1.5rem}}@media (width<=1023px){.page-layout{grid-template-columns:minmax(0,1fr);gap:0}}.page-layout-single{grid-template-columns:minmax(0,1fr)}.side-nav{padding:2rem 0 4rem;font-size:.8125rem}@media (width<=1023px){.side-nav{display:none}}.side-nav-group+.side-nav-group{margin-top:1.25rem}.side-nav-title{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--foreground));margin-bottom:.5rem;font-size:.6875rem;font-weight:600}.side-nav ul{border-left:1px solid hsl(var(--border));list-style:none}.side-nav li.side-nav-sub{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--muted-foreground));padding:.625rem .75rem .125rem;font-size:.625rem}.side-nav a{color:hsl(var(--muted-foreground));border-left:1px solid #0000;margin-left:-1px;padding:.3125rem .75rem;line-height:1.45;text-decoration:none;display:block}.side-nav a:hover{color:hsl(var(--foreground))}.side-nav a.is-active{border-left-color:hsl(var(--primary));color:hsl(var(--primary));font-weight:600}.article{min-width:0;padding:2.5rem 0 4rem}.article-narrow{max-width:48rem}.breadcrumb{color:hsl(var(--muted-foreground));margin-bottom:.75rem;font-size:.8125rem}.breadcrumb span[aria-hidden]{margin:0 .35rem}.breadcrumb a{color:hsl(var(--muted-foreground));text-decoration:none}.breadcrumb a:hover{color:hsl(var(--foreground))}.article>header{border-bottom:1px solid hsl(var(--border));margin-bottom:2rem;padding-bottom:1.5rem}.article>header h1{text-wrap:balance;font-size:1.875rem;font-weight:700}@media (width>=640px){.article>header h1{font-size:2.25rem}}.article>header h1 strong{font-weight:700}.article-body{grid-template-columns:minmax(0,1fr);gap:3rem;display:grid}.article-body.has-aside{grid-template-columns:minmax(0,1fr) 13rem}@media (width<=1279px){.article-body.has-aside{grid-template-columns:minmax(0,1fr);gap:0}}.aside-toc{top:calc(var(--header-h) + 1.5rem);font-size:.8125rem;position:sticky}@media (width<=1279px){.aside-toc{display:none}}.toc-title{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--foreground));margin-bottom:.625rem;font-size:.6875rem;font-weight:600}.aside-toc ul{border-left:1px solid hsl(var(--border));list-style:none}.aside-toc a{color:hsl(var(--muted-foreground));padding:.25rem .75rem;line-height:1.45;text-decoration:none;display:block}.aside-toc a:hover{color:hsl(var(--primary))}.aside-toc li.toc-l3 a{padding-left:1.5rem}.toc{border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--muted) / .4);margin-bottom:2rem;padding:1.25rem 1.5rem}.toc ul{list-style:none}.toc a{color:hsl(var(--muted-foreground));padding:.1875rem 0;font-size:.875rem;text-decoration:none;display:block}.toc a:hover{color:hsl(var(--primary))}.toc li.toc-l3 a{padding-left:.875rem}.prose{max-width:var(--measure)}.prose>*+*{margin-top:1rem}.prose-full{max-width:none}.section-narrow>.prose-full{margin-top:1.5rem}.prose .fineprint{font-size:.8125rem}.prose h2{margin-top:2.5rem;font-size:1.375rem;font-weight:700}.prose h3{margin-top:2rem;font-size:1.125rem;font-weight:600}.prose h4{margin-top:1.5rem;font-size:1rem;font-weight:600}.prose h2,.prose h3,.prose h4{scroll-margin-top:calc(var(--header-h) + 1rem);position:relative}.prose h2 strong,.prose h3 strong,.prose h4 strong{font-weight:inherit}.anchor{opacity:0;width:1.25rem;color:hsl(var(--muted-foreground));font-weight:500;text-decoration:none;transition:opacity .12s;position:absolute;left:-1.25rem}.prose h2:hover .anchor,.prose h3:hover .anchor,.prose h4:hover .anchor,.anchor:focus-visible{opacity:1;color:hsl(var(--primary))}.prose p{color:hsl(var(--muted-foreground));line-height:1.75}.prose strong{color:hsl(var(--foreground));font-weight:600}.prose a{text-decoration:underline}.prose a:hover{text-decoration:none}.prose code{background:hsl(var(--muted));border-radius:calc(var(--radius) - 4px);padding:.125rem .3125rem;font-family:ui-monospace,SFMono-Regular,monospace;font-size:.875em}.prose ul{color:hsl(var(--muted-foreground));padding-left:1.5rem;list-style:outside}.prose ol{color:hsl(var(--muted-foreground));padding-left:1.5rem;list-style:decimal}.prose li{margin:.375rem 0;line-height:1.75}.prose li::marker{color:hsl(var(--primary))}.prose ul ul,.prose ol ol,.prose ul ol,.prose ol ul{margin-top:.375rem}.prose blockquote{border-left:4px solid hsl(var(--primary) / .3);color:hsl(var(--muted-foreground));padding-left:1rem;font-style:italic}.divider{border:0;border-top:1px solid hsl(var(--border));margin:2.5rem 0}.callout{border:1px solid hsl(var(--border));border-left:4px solid hsl(var(--primary));border-radius:var(--radius);background:hsl(var(--muted) / .5);gap:.875rem;padding:1.25rem 1.5rem;display:flex}.callout>span{flex-shrink:0;font-size:1.125rem;line-height:1.5}.callout>div{min-width:0}.callout>div>*+*{margin-top:.75rem}.callout p{font-size:.9375rem}.two-col{grid-template-columns:1fr 1fr;align-items:start;gap:1rem 2.5rem;display:grid}@media (width<=767px){.two-col{grid-template-columns:1fr}}.two-col .col>*+*{margin-top:1rem}details.toggle{border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));padding:.875rem 1.125rem}details.toggle summary{cursor:pointer;font-weight:500}details.toggle .toggle-body>*+*,details.toggle .toggle-body{margin-top:.875rem}.video{border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--muted));margin:1.5rem 0;padding-top:56.25%;position:relative;overflow:hidden}.video iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.filecard,.linkcard,.refcard{border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));color:hsl(var(--muted-foreground));align-items:center;gap:1rem;margin:1.25rem 0;padding:1rem 1.25rem;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:flex;box-shadow:0 1px 2px #0000000d}.filecard:hover,.linkcard:hover,.refcard:hover{border-color:hsl(var(--primary) / .5);box-shadow:0 4px 16px -4px #0000001a}.filecard svg,.refcard svg{width:1.25rem;height:1.25rem;color:hsl(var(--primary));flex-shrink:0}.filecard-body{flex-direction:column;min-width:0;line-height:1.45;display:flex}.filecard-body strong{color:hsl(var(--foreground));font-size:.9375rem;font-weight:600}.filecard-body span{font-size:.8125rem}.refcard{align-items:flex-start}.refcard-body{flex-direction:column;gap:.125rem;min-width:0;display:flex}.refcard-label{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--primary));font-size:.625rem;font-weight:600}.refcard strong{color:hsl(var(--foreground));font-size:.9375rem;font-weight:500}.prose figure img{border-radius:var(--radius);max-width:100%;height:auto}.prose figcaption{color:hsl(var(--muted-foreground));margin-top:.5rem;font-size:.8125rem}.pager{border-top:1px solid hsl(var(--border));grid-template-columns:1fr 1fr;gap:1rem;margin-top:4rem;padding-top:2rem;display:grid}@media (width<=639px){.pager{grid-template-columns:1fr}}.pager a{border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));flex-direction:column;gap:.1875rem;padding:.875rem 1.125rem;text-decoration:none;transition:border-color .15s;display:flex}.pager a:hover{border-color:hsl(var(--primary) / .5)}.pager span{letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--primary));font-size:.6875rem;font-weight:600}.pager strong{color:hsl(var(--foreground));font-size:.875rem;font-weight:500;line-height:1.35}.pager-next{text-align:right}.site-footer{border-top:1px solid hsl(var(--border));background:hsl(var(--muted) / .4)}.footer-inner{max-width:72rem;margin:0 auto;padding:3rem 1rem}@media (width>=640px){.footer-inner{padding:3rem 1.5rem}}.footer-grid{gap:2rem;display:grid}@media (width>=768px){.footer-grid{grid-template-columns:repeat(3,1fr)}}.footer-grid h3{color:hsl(var(--primary));font-size:1.125rem;font-weight:700}.footer-grid h4{letter-spacing:.04em;text-transform:uppercase;color:hsl(var(--foreground));font-size:.875rem;font-weight:600}.footer-grid p{color:hsl(var(--muted-foreground));margin-top:.5rem;font-size:.875rem;line-height:1.6}.footer-grid .footer-note{margin-top:1rem;font-size:.75rem}.footer-grid ul{flex-direction:column;gap:.5rem;margin-top:.75rem;list-style:none;display:flex}.footer-grid ul a,.footer-contact a{color:hsl(var(--muted-foreground));font-size:.875rem;text-decoration:none}.footer-grid ul a:hover,.footer-contact a:hover{color:hsl(var(--foreground))}.footer-contact{flex-direction:column;gap:.75rem;margin-top:.75rem;list-style:none;display:flex}.footer-contact li{color:hsl(var(--muted-foreground));align-items:flex-start;gap:.5rem;font-size:.875rem;display:flex}.footer-contact li>a{align-items:flex-start;gap:.5rem;display:flex}.footer-contact svg{flex-shrink:0;width:1rem;height:1rem;margin-top:.125rem}.footer-contact strong{color:hsl(var(--foreground));font-weight:600}.footer-grid .footer-note a{color:hsl(var(--primary));text-decoration:underline}.footer-grid .footer-note a:hover{text-decoration:none}.footer-bottom{border-top:1px solid hsl(var(--border));text-align:center;color:hsl(var(--muted-foreground));margin-top:2.5rem;padding-top:1.5rem;font-size:.75rem}@media print{.site-header,.side-nav,.aside-toc,.pager,.skip,.site-footer,.hero-actions,.drawer,.drawer-overlay{display:none!important}.page-layout,.article-body.has-aside{display:block}body{color:#000;background:#fff;font-size:11pt}.article,.section-inner,.hero-inner{max-width:none;padding:0}.prose{max-width:none}.prose p,.prose li{color:#000}.prose h2,.prose h3{break-after:avoid}a{color:#000;text-decoration:none}.anchor{display:none}}