:root{--paper:#f3f5f7;--surface:#fff;--ink:#0b1828;--navy:#0b1828;--navy2:#12243a;--blue:#315fda;--cyan:#80d9ec;--muted:#5d6875;--rule:#ccd2d9;--mono:"IBM Plex Mono",ui-monospace,monospace;--sans:"Archivo",Arial,sans-serif}
[hidden]{display:none!important}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:6rem}body{margin:0;background:var(--paper);color:var(--ink);font:400 1rem/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit}button,input{font:inherit}:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.shell{width:min(76rem,calc(100% - 3rem));margin-inline:auto}.skip-link{position:absolute;top:-5rem;left:1rem;z-index:100;padding:.6rem 1rem;background:white}.skip-link:focus{top:.5rem}.site-header{position:sticky;top:0;z-index:20;background:rgba(243,245,247,.97);border-bottom:1px solid var(--rule);backdrop-filter:blur(18px)}.nav{min-height:4.75rem;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{display:inline-flex;align-items:center;gap:.75rem;text-decoration:none;font-weight:700;letter-spacing:-.03em;white-space:nowrap}.brand-mark{position:relative;width:1.55rem;height:1.55rem;border:2px solid var(--ink)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;width:.42rem;height:.42rem;background:var(--blue)}.brand-mark:before{top:.22rem;left:.22rem}.brand-mark:after{right:.22rem;bottom:.22rem}.brand-sub{font:400 .66rem/1 var(--mono);color:var(--muted);letter-spacing:.07em}.nav-links{display:flex;align-items:center;gap:1.7rem}.nav-links a{font:500 .78rem/1.4 var(--mono);color:var(--muted);text-decoration:none}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--ink)}.nav-links .nav-cta{padding:.7rem 1rem;border:1px solid var(--ink);color:var(--ink)}.nav-cta:hover{background:var(--ink);color:#fff!important}.menu-button{display:none}
.hero{background:var(--navy);color:#f1f5fa;padding:5.5rem 0 4.5rem}.breadcrumb{display:flex;flex-wrap:wrap;gap:.55rem;align-items:center;color:#aeb8c5;font:400 .73rem/1.5 var(--mono);margin-bottom:3.5rem}.breadcrumb a{text-underline-offset:.25rem}.breadcrumb span[aria-hidden]{color:var(--cyan)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(17rem,.7fr);gap:5rem;align-items:end}.hero h1{max-width:14ch;margin:0;font-size:clamp(3rem,6.6vw,6.3rem);line-height:.95;letter-spacing:-.068em;text-wrap:balance}.hero p{max-width:42rem;margin:1.8rem 0 0;color:#bfc8d3;font-size:1.16rem;line-height:1.65}.hero-aside{border-left:2px solid var(--cyan);padding-left:1.3rem}.hero-aside span{display:block;color:var(--cyan);font:500 .7rem/1.5 var(--mono);margin-bottom:.8rem}.hero-aside p{margin:0;font-size:.95rem}.article-hero{padding-bottom:0}.article-hero h1{max-width:16ch;font-size:clamp(2.65rem,5.5vw,5.35rem)}.article-hero .hero-grid{align-items:start}.meta{font:400 .72rem/1.6 var(--mono);color:#aeb8c5;margin-top:2rem}.route{display:grid;grid-template-columns:repeat(4,1fr);margin-top:4.5rem;border:1px solid #425267}.route span{padding:1rem;min-height:4.7rem;display:flex;align-items:center;font:500 .77rem/1.45 var(--mono);border-right:1px solid #425267}.route span:last-child{border:0}.route span:first-child{color:var(--cyan)}.article-hero .route{margin-top:3rem}
.intro{padding:4.5rem 0 2.5rem}.intro-grid{display:grid;grid-template-columns:15rem 1fr;gap:4rem}.section-label{margin:0;font:500 .73rem/1.5 var(--mono);color:var(--blue)}.intro h2{max-width:23ch;margin:0;font-size:clamp(2rem,3vw,3.1rem);line-height:1.08;letter-spacing:-.05em}.intro p:not(.section-label){max-width:49rem;color:var(--muted);font-size:1.08rem}.browse{padding:1rem 0 5rem}.browse-top{display:flex;align-items:end;justify-content:space-between;gap:2rem;border-bottom:1px solid var(--rule);padding-bottom:1.4rem}.browse-top h2{margin:0;font-size:1.8rem;letter-spacing:-.045em}.search{display:grid;gap:.35rem;min-width:min(100%,20rem)}.search label{font:400 .68rem/1.3 var(--mono);color:var(--muted)}.search input{width:100%;border:1px solid #9ca8b6;border-radius:0;background:#fff;padding:.75rem 1rem;color:var(--ink)}.path{display:grid;grid-template-columns:minmax(13rem,.8fr) minmax(0,2fr);gap:4rem;padding:3rem 0;border-bottom:1px solid var(--rule)}.path h3{max-width:15ch;margin:0 0 .75rem;font-size:clamp(1.65rem,2.6vw,2.35rem);line-height:1.08;letter-spacing:-.045em}.path p{max-width:19rem;margin:0;color:var(--muted);font-size:.95rem}.guide-list{list-style:none;margin:0;padding:0}.guide-list li{border-bottom:1px solid var(--rule)}.guide-list li:last-child{border:0}.guide-link{display:grid;grid-template-columns:1fr 1.5rem;gap:1rem;padding:1.15rem 0;text-decoration:none}.guide-link:hover strong{text-decoration:underline;text-underline-offset:.25rem}.guide-link strong{display:block;font-size:1.1rem;letter-spacing:-.02em}.guide-link small{display:block;max-width:46rem;margin-top:.3rem;color:var(--muted);font-size:.88rem;line-height:1.5}.guide-link .arrow{font-family:var(--mono);color:var(--blue)}.no-results{display:none;padding:2rem 0;color:var(--muted)}
.article-area{padding:4.25rem 0 6rem}.article-grid{display:grid;grid-template-columns:13rem minmax(0,46rem);gap:5rem;align-items:start}.toc{position:sticky;top:7rem;font:400 .76rem/1.5 var(--mono)}.toc strong{display:block;color:var(--blue);margin-bottom:.8rem;font-weight:500}.toc a{display:block;padding:.5rem 0;color:var(--muted);text-decoration:none}.toc a:hover{color:var(--ink);text-decoration:underline}.article-content{min-width:0}.answer{padding:1.6rem 2rem;background:#dce6ff;border-left:3px solid var(--blue)}.answer h2{margin:0 0 .5rem;font:500 .76rem/1.4 var(--mono);color:#1b429f}.answer p{margin:0;color:var(--ink);font-size:1.18rem;line-height:1.65}.article-content section{margin-top:3.6rem}.article-content h2{margin:0 0 1rem;font-size:clamp(1.65rem,2.5vw,2.2rem);line-height:1.14;letter-spacing:-.04em}.article-content p{margin:0 0 1.2rem;color:#374657;font-size:1.06rem;line-height:1.77}.article-content ul,.article-content ol{margin:.3rem 0 1.5rem;padding-left:1.5rem;color:#374657;font-size:1.04rem}.article-content li{padding-left:.3rem;margin:.7rem 0}.article-content a{color:#214bb2;text-underline-offset:.2rem}.example{padding:1.5rem 1.7rem;background:white;border:1px solid var(--rule)}.example strong{display:block;margin-bottom:.65rem}.example p:last-child{margin:0}.sources{border-top:1px solid var(--rule);padding-top:1.5rem}.sources ul{list-style:none;padding:0}.sources li{padding:0;margin:.7rem 0}.sources a{font-size:.95rem}.source-note{font-size:.85rem!important;color:var(--muted)!important}.related{border-top:1px solid var(--rule);padding:3rem 0 5rem}.related h2{font-size:1.75rem;letter-spacing:-.04em}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}.related-grid a{min-height:9rem;display:flex;flex-direction:column;justify-content:space-between;padding:1.4rem;background:white;text-decoration:none;font-weight:600;line-height:1.3}.related-grid a:hover{color:var(--blue)}.related-grid small{color:var(--muted);font:400 .7rem/1.3 var(--mono)}.contact-band{padding:3.5rem 0;background:var(--navy);color:white}.contact-band .shell{display:flex;justify-content:space-between;align-items:center;gap:2rem}.contact-band h2{max-width:25ch;margin:0;font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.1;letter-spacing:-.05em}.contact-band p{max-width:40rem;color:#bfc8d3}.button{display:inline-flex;justify-content:center;padding:.85rem 1.2rem;background:var(--blue);color:white;text-decoration:none;font-weight:600;white-space:nowrap}.button:hover{background:var(--cyan);color:var(--navy)}footer{padding:1.8rem 0;background:var(--navy);color:#aeb8c5;border-top:1px solid #425267;font:400 .72rem/1.5 var(--mono)}.footer-inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.footer-inner a{text-underline-offset:.2rem}
@media(max-width:60rem){.hero-grid{gap:2rem}.article-grid{grid-template-columns:11rem minmax(0,1fr);gap:2.5rem}.path{gap:2rem}}
@media(max-width:54rem){.shell{width:calc(100% - 2rem)}.brand-sub{display:none}.nav{min-height:4.3rem}.menu-button{display:block;padding:.5rem;border:1px solid var(--rule);background:none;font:500 .75rem var(--mono)}.nav-links{display:none;position:absolute;top:4.3rem;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:1rem;background:var(--paper);border-bottom:1px solid var(--rule)}.nav-links.open{display:flex}.nav-links a{padding:.8rem}.hero{padding:3rem 0}.breadcrumb{margin-bottom:2rem}.hero-grid,.intro-grid,.path,.article-grid{grid-template-columns:1fr}.hero h1{font-size:clamp(2.75rem,11vw,4.4rem)}.hero-aside{margin-top:1rem}.route{grid-template-columns:repeat(2,1fr);margin-top:3rem}.route span:nth-child(2){border-right:0}.route span:nth-child(-n+2){border-bottom:1px solid #425267}.intro{padding:3rem 0 1rem}.intro-grid,.path,.article-grid{gap:1.3rem}.browse-top{align-items:stretch;flex-direction:column}.path{padding:2rem 0}.article-area{padding:2.5rem 0}.toc{position:static;border-bottom:1px solid var(--rule);padding-bottom:1rem}.toc a{display:inline-block;margin-right:1rem}.article-content section{margin-top:2.7rem}.related-grid{grid-template-columns:1fr}.related-grid a{min-height:6rem}.contact-band .shell{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}