@font-face{font-family:Manrope;src:url('/assets/fonts/manrope-latin.woff2') format('woff2');font-weight:400 800;font-display:swap}
@font-face{font-family:SpaceGrotesk;src:url('/assets/fonts/space-grotesk-latin.woff2') format('woff2');font-weight:400 700;font-display:swap}
:root{--ink:#172a55;--paper:#fbfaf7;--purple:#6c5ce7;--lemon:#f7d64a;--orange:#f28542;--muted:#64708b;--line:#dfe2e7;--lavender:#eae7fa;--width:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif;font-size:16px;line-height:1.7}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed}img,svg{max-width:100%}img{height:auto}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{font-family:SpaceGrotesk,Arial,sans-serif;line-height:1.12;font-weight:600}h1{letter-spacing:-.06em}h2{font-size:clamp(34px,4vw,54px);letter-spacing:-.05em}h3{font-size:24px;letter-spacing:-.035em}p{margin-bottom:1.25em}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--purple);outline-offset:5px}::selection{background:var(--lemon);color:var(--ink)}.wrap{max-width:var(--width);margin:0 auto;padding:0 40px}.skip-link{position:absolute;top:-100px;left:20px;z-index:100;padding:12px 20px;background:var(--lemon)}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:relative;z-index:10;background:var(--paper)}.header-inner{display:flex;align-items:center;gap:30px;min-height:106px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;font-family:SpaceGrotesk,Arial,sans-serif;font-size:42px;font-weight:700;letter-spacing:-3.3px;line-height:1}.brand-mark{display:inline-block;width:24px;height:29px;margin-top:4px;position:relative;transform:rotate(-10deg)}.brand-mark:before,.brand-mark:after{content:'';position:absolute;width:12px;height:20px;background:var(--orange);border-radius:3px}.brand-mark:before{top:0;left:0}.brand-mark:after{bottom:0;right:0;background:var(--lemon)}.desktop-nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:13px;font-weight:650}.desktop-nav a{padding:10px 0;position:relative;white-space:nowrap}.desktop-nav a:after{content:'';position:absolute;bottom:3px;left:0;right:100%;height:2px;background:var(--purple);transition:right .2s}.desktop-nav a:hover:after,.desktop-nav a[aria-current=page]:after{right:0}.header-tools{display:flex;align-items:center;gap:15px}.icon-button{width:39px;height:39px;border:1px solid var(--line);border-radius:50%;background:none;display:grid;place-items:center}.icon-button:hover{background:var(--lavender)}.icon{width:19px;height:19px;vertical-align:middle;flex-shrink:0}.archive-link{font-size:11px;font-weight:650;display:flex;align-items:center;gap:8px;white-space:nowrap}.archive-link span{background:var(--lemon);padding:1px 6px;font-size:10px;border-radius:3px}.menu-button{display:none}.mobile-nav{padding:0 0 20px}.mobile-nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:10px;letter-spacing:.13em;font-weight:750;text-transform:uppercase;line-height:1.5}.eyebrow:before{content:'';width:7px;height:7px;border-radius:50%;background:var(--orange);flex-shrink:0}.hero{padding:76px 0 48px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.12fr 1fr;align-items:center;gap:12px;min-height:540px}.hero .eyebrow{margin-bottom:27px}.hero h1{font-size:clamp(54px,6.3vw,84px);line-height:1.04;max-width:680px;margin-bottom:28px;position:relative;z-index:1}.hero h1 .break{display:block;white-space:nowrap}.underline{position:relative;display:inline-block;z-index:0}.underline:after{content:'';position:absolute;height:13px;background:var(--lemon);left:0;right:-3px;bottom:4px;z-index:-1;transform:rotate(-2deg)}.hero-intro{max-width:420px;font-size:15px;line-height:1.9;color:#59647c;margin-bottom:30px}.hero-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;font-size:12px;font-weight:700;line-height:1.4;padding:17px 23px;border-radius:100px;border:1px solid var(--ink);background:var(--ink);color:white;transition:transform .2s,background .2s;min-height:52px}.button:hover{transform:translateY(-2px);background:#293e6c}.button .icon{width:16px;height:16px}.button.lemon{background:var(--lemon);color:var(--ink);border-color:var(--lemon)}.button.light{background:transparent;color:var(--ink);border-color:#bdc3cf}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:750;border-bottom:1px solid transparent;padding:8px 0}.text-link:hover{border-bottom-color:currentColor}.hero-note{display:flex;gap:11px;align-items:center;margin:32px 0 0;font-size:10px;color:var(--muted)}.hero-note:before{content:'↳';font-size:24px;color:var(--purple)}.hero-art{position:relative;margin-right:-35px}.hero-art svg{width:100%;height:auto;overflow:visible}.diagram-caption{font-size:10px;text-align:center;color:var(--muted);margin:3px 0 0;letter-spacing:.02em}.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:14px}.marquee-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding-top:19px;padding-bottom:19px;font-family:SpaceGrotesk,sans-serif;font-size:16px;font-weight:500;letter-spacing:-.025em}.spark{color:var(--purple);font-size:29px;line-height:1}.marquee .muted{color:#8f97a9}
.section{padding:100px 0}.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:42px}.section-top h2{margin-bottom:0}.section-top p{font-size:13px;color:var(--muted);max-width:310px;margin-bottom:3px}.section .eyebrow{margin-bottom:17px}.path-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}.path-list{border-top:1px solid var(--line)}.path-row{display:grid;grid-template-columns:38px 1fr 34px;gap:17px;padding:28px 0;border-bottom:1px solid var(--line);align-items:start}.path-number{font-size:10px;color:var(--purple);font-weight:750;padding-top:5px}.path-row h3{font-size:25px;margin:0 0 10px}.path-row p{font-size:12px;color:var(--muted);line-height:1.85;margin:0;max-width:340px}.round-arrow{width:34px;height:34px;border:1px solid #cfd3df;border-radius:50%;display:grid;place-items:center;transition:transform .2s,background .2s}.round-arrow svg{width:16px;height:16px}.path-row:hover .round-arrow,.resource-card:hover .round-arrow{background:var(--lemon);transform:rotate(-35deg)}.concept-card{background:var(--lavender);padding:35px 35px 27px;border-radius:12px;position:relative;margin-top:0}.concept-card .small-label{font-size:10px;font-weight:750;letter-spacing:.12em;color:var(--purple)}.concept-card h3{font-size:32px;line-height:1.2;max-width:340px;margin-top:14px;margin-bottom:15px}.concept-card p{font-size:12px;line-height:1.9;max-width:330px;color:#58627d}.mini-map{display:grid;grid-template-columns:1fr 30px 1fr;gap:6px;align-items:center;padding:24px 0 22px}.mini-node{background:white;border-radius:7px;padding:19px 12px;font-size:12px;line-height:1.4;font-weight:700;box-shadow:0 4px 0 #d8d3f0;text-align:center}.mini-node.domain{background:var(--ink);color:white}.mini-node small{display:block;font-size:9px;font-weight:450;opacity:.65;margin-top:5px}.mini-map .children{display:flex;gap:10px;flex-direction:column}.mini-map .arrow{font-family:SpaceGrotesk;font-size:28px;text-align:center;color:var(--purple)}.concept-card .text-link{font-size:11px;margin-top:5px}
.learning-section{background:#f0efe9}.learning-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:22px}.learning-card{padding:31px;min-height:330px;border-radius:9px;display:flex;flex-direction:column;background:white;position:relative;transition:transform .2s}.learning-card:hover{transform:translateY(-4px)}.learning-card.featured{background:var(--lemon)}.learning-card .card-tag{font-size:9px;letter-spacing:.1em;text-transform:uppercase;font-weight:750;margin-bottom:30px}.learning-card .card-symbol{font-family:SpaceGrotesk;font-weight:500;font-size:46px;line-height:1;color:var(--purple);margin-bottom:22px}.learning-card.featured .card-symbol{color:var(--ink);letter-spacing:-3px}.learning-card h3{font-size:27px;max-width:230px;margin-bottom:12px}.learning-card p{font-size:12px;line-height:1.8;color:#636d81;max-width:220px}.learning-card.featured p{color:#5d5428}.learning-card .card-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:18px;font-size:10px;font-weight:750}.learning-card .card-bottom span{display:flex;align-items:center;gap:7px}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:90px}.faq-intro p{font-size:13px;color:var(--muted);max-width:285px;margin-bottom:24px}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{list-style:none;padding:23px 35px 23px 0;font-family:SpaceGrotesk,sans-serif;font-size:17px;font-weight:500;line-height:1.5;position:relative;cursor:pointer;letter-spacing:-.025em}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:'+';position:absolute;right:2px;top:19px;font-size:25px;color:var(--purple);font-weight:400}.faq-item[open] summary:after{content:'−'}.faq-item .answer{font-size:13px;line-height:1.9;color:#626d82;padding:0 36px 22px 0}.faq-item .answer p:last-child{margin-bottom:0}.faq-item .answer a{text-decoration:underline;text-underline-offset:3px;color:var(--purple)}
.history-band{padding-top:5px;padding-bottom:100px}.history-panel{background:var(--ink);color:var(--paper);border-radius:12px;padding:53px 50px;display:grid;grid-template-columns:1.15fr 1fr;gap:75px;position:relative;overflow:hidden}.history-panel:after{content:'↗';font-family:SpaceGrotesk;font-size:220px;color:#283b65;position:absolute;right:-2px;bottom:-105px;pointer-events:none}.history-panel .eyebrow{color:#c6ccdb}.history-panel .eyebrow:before{background:var(--lemon)}.history-panel h2{font-size:43px;line-height:1.15;max-width:500px;margin:18px 0 22px}.history-panel h2 em{font-style:normal;color:var(--lemon)}.history-panel p{font-size:13px;line-height:1.9;color:#b9c3d8;max-width:460px;margin-bottom:24px}.history-panel .text-link{color:white}.history-visual{position:relative;z-index:1;align-self:center}.old-window{background:#fbfaf7;transform:rotate(3deg);border-radius:9px;box-shadow:0 20px 30px #0a173a66;color:var(--ink);padding:0 28px 24px;max-width:350px;margin:auto}.window-bar{border-bottom:1px solid #e2e3e8;margin:0 -28px 23px;display:flex;align-items:center;padding:12px 14px;gap:5px}.window-dot{width:5px;height:5px;border-radius:50%;background:#b3b9c6}.window-bar small{font-size:8px;letter-spacing:.05em;color:#75809a;margin:auto}.old-window img{display:block;width:230px;height:auto;margin:26px auto 23px;max-width:100%}.old-window blockquote{font-family:Georgia,serif;font-size:16px;line-height:1.65;margin:0 0 20px;border-top:1px solid #e2e3e8;padding-top:18px}.old-window .window-foot{font-size:8px;text-transform:uppercase;letter-spacing:.13em;display:flex;justify-content:space-between;color:#7a8498}.year-stamp{position:absolute;right:-8px;top:-20px;background:var(--lemon);color:var(--ink);font-family:SpaceGrotesk;font-size:20px;padding:9px 15px;transform:rotate(8deg);border-radius:4px}.history-panel .old-note{font-size:9px;text-align:center;color:#8e9bb7;margin:22px auto 0;transform:rotate(3deg)}
.site-footer{border-top:1px solid var(--line);padding-top:55px}.footer-main{display:flex;justify-content:space-between;gap:65px;padding-bottom:45px}.footer-brand .brand{font-size:42px}.footer-brand p{font-size:11px;line-height:1.8;color:var(--muted);max-width:240px;margin:19px 0 0}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:65px;font-size:11px}.footer-links strong{display:block;font-size:10px;letter-spacing:.09em;text-transform:uppercase;margin-bottom:14px}.footer-links a{display:block;padding:5px 0;color:#616c83}.footer-links a:hover{color:var(--purple)}.footer-bottom{border-top:1px solid var(--line);padding:22px 0 28px;display:flex;gap:25px;justify-content:space-between;font-size:9px;line-height:1.8;color:#7a8396}.footer-bottom a{text-decoration:underline;text-underline-offset:3px}.footer-bottom .footer-note{max-width:570px}
.page-hero{padding:65px 0 52px}.breadcrumb{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:11px;flex-wrap:wrap;margin-bottom:28px}.breadcrumb a:hover{text-decoration:underline}.breadcrumb span[aria-hidden]{color:#a4acc0}.page-hero h1{font-size:clamp(43px,5.4vw,72px);max-width:850px;margin:20px 0 25px;line-height:1.05}.page-hero .lead{font-size:16px;color:var(--muted);line-height:1.9;max-width:640px;margin-bottom:0}.page-hero.compact{padding-bottom:36px}.page-hero.compact h1{font-size:clamp(38px,4.7vw,62px)}.large-label{display:inline-flex;background:var(--lavender);color:var(--purple);font-size:10px;font-weight:700;border-radius:30px;padding:6px 12px;align-items:center;gap:8px}.archive-label{background:#f6e9c9;color:#70541a}.page-section{padding:10px 0 80px}.intro-callout{display:flex;gap:19px;align-items:start;background:var(--lavender);padding:25px 28px;border-radius:9px;margin-bottom:35px;font-size:13px;line-height:1.85}.intro-callout .icon{margin-top:4px;color:var(--purple)}.intro-callout p{margin:0}.filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:24px 0 29px}.filter-button{font-size:11px;padding:9px 17px;border:1px solid #d9dce4;border-radius:25px;background:none;font-weight:600}.filter-button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.filter-button:hover{border-color:var(--purple)}.search-box{display:flex;align-items:center;gap:14px;background:white;border:1px solid #cdd3df;border-radius:8px;padding:0 19px;max-width:620px;min-height:59px}.search-box input{border:0;background:none;outline:0;flex:1;min-width:0;padding:16px 0;color:var(--ink);font-size:14px}.search-box:focus-within{border-color:var(--purple);box-shadow:0 0 0 3px #6c5ce71a}.results-meta{font-size:10px;color:var(--muted);display:flex;justify-content:space-between;margin-bottom:20px}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.resource-card{background:white;border:1px solid #e1e3e9;border-radius:8px;padding:25px;display:flex;flex-direction:column;min-height:235px;transition:border-color .2s,transform .2s}.resource-card:hover{border-color:#a9a1e9;transform:translateY(-2px)}.resource-card .resource-type{font-size:9px;font-weight:750;text-transform:uppercase;letter-spacing:.1em;color:var(--purple);margin-bottom:22px}.resource-card h3{font-size:24px;line-height:1.2;margin-bottom:13px}.resource-card p{font-size:12px;line-height:1.8;color:var(--muted);margin-bottom:22px}.resource-card .resource-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:9px;color:#7b8497}.resource-card .round-arrow{width:28px;height:28px}.empty-state{padding:45px 0;font-size:15px;color:var(--muted)}[hidden]{display:none!important}.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.topic-card{border-top:1px solid var(--line);padding:28px 0 32px;display:grid;grid-template-columns:48px 1fr 30px;gap:20px}.topic-card .num{font-size:12px;color:var(--purple);font-weight:700;padding-top:4px}.topic-card p{color:var(--muted);font-size:13px;margin-bottom:0;max-width:350px}.topic-card h2{font-size:29px;margin-bottom:14px}.topic-card:hover h2{color:var(--purple)}
.article-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:70px;align-items:start;padding-bottom:90px}.article-sidebar{position:sticky;top:28px;border-top:1px solid var(--line);padding-top:19px;font-size:11px}.article-sidebar strong{display:block;font-size:9px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px}.article-sidebar a{display:block;padding:7px 0;color:var(--muted);line-height:1.6}.article-sidebar a:hover{color:var(--purple)}.article-sidebar .sidebar-divider{border-top:1px solid var(--line);margin-top:19px;padding-top:16px}.article-body{max-width:740px;min-width:0;font-size:15px;line-height:1.95}.article-body h2{font-size:32px;line-height:1.2;margin:48px 0 20px;letter-spacing:-.04em;scroll-margin-top:35px}.article-body h2:first-child{margin-top:0}.article-body h3{font-size:23px;margin:32px 0 15px;line-height:1.3}.article-body p{margin-bottom:1.5em}.article-body ul,.article-body ol{padding-left:23px;margin-bottom:28px}.article-body li{padding-left:6px;margin-bottom:8px}.article-body a{color:var(--purple);text-decoration:underline;text-underline-offset:4px}.article-body .article-callout{background:var(--lavender);border-left:3px solid var(--purple);padding:22px 25px;margin:30px 0;font-size:13px;line-height:1.9}.article-body .article-callout p:last-child{margin-bottom:0}.article-body .example{font-family:SpaceGrotesk,monospace;background:#f0eee8;border-radius:5px;padding:2px 6px;overflow-wrap:anywhere}.article-body .article-step{display:flex;gap:16px;padding:25px 0;border-bottom:1px solid var(--line)}.article-step .step-no{color:var(--purple);font-size:11px;flex:0 0 25px;padding-top:4px}.article-step strong{font-family:SpaceGrotesk;font-size:20px;display:block;margin-bottom:7px}.article-step p{font-size:13px;color:var(--muted);margin:0}.article-bottom{border-top:1px solid var(--line);padding-top:28px;margin-top:40px;display:flex;gap:15px;flex-wrap:wrap}.article-bottom .button{text-decoration:none;color:var(--ink)}.archive-warning{background:#f9efd6;border:1px solid #e8dab9;color:#725b2b;font-size:12px;line-height:1.85;border-radius:8px;padding:19px 24px;margin-bottom:35px}.archive-warning strong{display:block;margin-bottom:4px}.archive-body{font-size:14px;line-height:1.95}.archive-body h2{font-size:25px;margin-top:35px}.archive-body p{overflow-wrap:anywhere}.source-note{border-top:1px solid var(--line);padding-top:25px;font-size:11px;color:var(--muted);margin-top:30px}.source-note code{font-size:10px;overflow-wrap:anywhere}.archive-body .original-heading{font-family:SpaceGrotesk;font-weight:600;color:var(--ink);font-size:19px;line-height:1.5;margin-top:28px}
.dns-demo{background:#eeecfa;border-radius:10px;padding:27px;margin:32px 0}.dns-demo h3{margin:0 0 10px;font-size:22px}.dns-demo .demo-note{font-size:10px;color:var(--muted);margin-bottom:17px}.demo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.demo-tabs button{background:white;border:1px solid #d4cfee;padding:8px 15px;border-radius:20px;font-size:10px;font-weight:650}.demo-tabs button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.dns-record{display:grid;grid-template-columns:1fr auto 1fr;gap:15px;background:white;padding:20px;border-radius:6px;align-items:center;font-family:SpaceGrotesk;font-size:14px;line-height:1.5}.dns-record code{font:inherit;overflow-wrap:anywhere}.dns-record .record-type{font-size:10px;color:var(--purple);padding:4px 9px;background:var(--lavender);border-radius:3px}.dns-demo .demo-explanation{font-size:12px;color:#606c86;margin:17px 0 0;line-height:1.8}.faq-page-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:65px}.faq-page-layout .faq-side{font-size:12px;line-height:1.9;color:var(--muted)}.faq-page-layout .faq-side h2{font-size:28px;color:var(--ink)}.faq-page-layout .faq-list{margin-bottom:30px}.timeline{max-width:860px;margin:auto}.timeline-item{display:grid;grid-template-columns:150px 1fr;gap:45px;padding:45px 0;border-top:1px solid var(--line)}.timeline-date{font-family:SpaceGrotesk;font-size:32px;letter-spacing:-.04em}.timeline-item h2{font-size:32px;margin-bottom:19px}.timeline-item p{font-size:14px;line-height:1.95;color:var(--muted)}.timeline-item .timeline-tag{font-size:9px;font-weight:700;letter-spacing:.1em;display:block;color:var(--purple);text-transform:uppercase;margin-top:5px}.history-wide{margin-top:35px;padding:40px;background:var(--lavender);border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:35px}.history-wide h2{font-size:30px;margin:0 0 12px}.history-wide p{font-size:12px;color:var(--muted);max-width:470px;margin:0}.error-page{text-align:center;max-width:800px;margin:auto;padding:90px 25px}.error-code{font-family:SpaceGrotesk;font-size:120px;line-height:1;letter-spacing:-.08em;color:var(--purple);margin-bottom:25px}.error-page h1{font-size:42px;line-height:1.2}.error-page p{font-size:15px;color:var(--muted);max-width:480px;margin:0 auto 28px}.error-actions{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}
.search-dialog{border:0;border-radius:14px;padding:0;color:var(--ink);background:var(--paper);width:min(720px,calc(100% - 30px));max-height:85vh;box-shadow:0 30px 110px #12224755}.search-dialog::backdrop{background:#13244788;backdrop-filter:blur(4px)}.dialog-top{padding:28px 30px 20px;display:flex;justify-content:space-between;align-items:center;gap:20px}.dialog-top h2{font-size:27px;margin:0}.dialog-content{padding:0 30px 25px}.dialog-content .search-box{max-width:none}.search-hint{font-size:10px;color:var(--muted);margin:13px 0 20px}.dialog-results{list-style:none;padding:0;margin:0;max-height:45vh;overflow-y:auto}.dialog-results li{border-top:1px solid var(--line)}.dialog-results a{display:block;padding:15px 0}.dialog-results a:hover h3{color:var(--purple)}.dialog-results h3{font-size:19px;margin:0 0 6px}.dialog-results p{font-size:11px;color:var(--muted);line-height:1.7;margin:0}.dialog-results .result-category{display:block;text-transform:uppercase;font-size:8px;letter-spacing:.1em;color:var(--purple);margin-bottom:5px}.dialog-empty{font-size:13px;color:var(--muted);padding:20px 0}
@media(min-width:1500px){.hero{padding-top:90px}.hero-grid{min-height:580px}.hero-art{margin-right:-50px}.hero h1{font-size:90px}}
@media(max-width:1100px){.wrap{padding:0 28px}.header-inner{gap:20px}.desktop-nav{gap:18px;font-size:11px}.archive-link{display:none}.hero h1{font-size:70px}.hero-grid{min-height:490px}.hero-art{margin-right:-18px}.hero-intro{font-size:14px;max-width:360px}.hero-actions{gap:13px}.button{font-size:11px;padding:16px 20px}.text-link{font-size:11px}.path-grid{gap:35px}.faq-grid{gap:50px}.history-panel{gap:40px;padding:45px 35px}.history-panel h2{font-size:38px}.article-layout{gap:45px;grid-template-columns:180px 1fr}.learning-card{padding:25px}.learning-card h3{font-size:24px}.hero-note{font-size:9px}}
@media(max-width:850px){.desktop-nav{gap:17px}.header-tools{gap:8px}.header-inner{gap:16px;min-height:86px}.brand{font-size:36px}.brand-mark{width:20px;height:26px}.brand-mark:before,.brand-mark:after{width:10px;height:18px}.hero{padding:47px 0 36px}.hero-grid{grid-template-columns:1.1fr 1fr;min-height:430px;gap:0}.hero h1{font-size:56px}.hero .eyebrow{font-size:8px;margin-bottom:22px}.hero-intro{font-size:12px;max-width:300px;margin-bottom:23px}.hero-actions{gap:8px;align-items:flex-start;flex-direction:column}.hero-note{margin-top:18px;max-width:270px;line-height:1.8}.hero-art{margin-right:-20px;margin-left:-15px}.section{padding:75px 0}.path-grid{gap:30px}.path-row{grid-template-columns:24px 1fr 28px;gap:10px}.path-row h3{font-size:23px}.concept-card{padding:25px}.concept-card h3{font-size:27px}.mini-map{grid-template-columns:1fr 20px 1fr}.mini-node{font-size:10px;padding:14px 7px}.learning-grid{gap:14px}.learning-card{padding:22px;min-height:310px}.learning-card h3{font-size:23px}.learning-card p{font-size:11px}.learning-card .card-symbol{font-size:39px}.faq-grid{grid-template-columns:.8fr 1.2fr;gap:35px}.faq-item summary{font-size:16px}.history-panel h2{font-size:34px}.history-panel{gap:30px;padding:35px 30px}.old-window{padding-left:20px;padding-right:20px}.window-bar{margin-left:-20px;margin-right:-20px}.old-window blockquote{font-size:14px}.history-band{padding-bottom:75px}.resource-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:150px 1fr;gap:30px}.faq-page-layout{grid-template-columns:180px 1fr;gap:35px}.timeline-item{grid-template-columns:110px 1fr;gap:30px}.footer-links{gap:35px}.marquee-inner{font-size:13px}.marquee .muted{display:none}.page-hero{padding-top:45px}}
@media(max-width:680px){html{scroll-padding-top:30px}.wrap{padding:0 22px}.header-inner{min-height:82px;gap:12px}.desktop-nav{display:none}.header-tools{margin-left:auto;gap:10px}.menu-button{display:grid}.hero{padding-top:38px}.hero-grid{display:flex;flex-direction:column;align-items:stretch;min-height:0}.hero-copy{z-index:1}.hero .eyebrow{font-size:8px;letter-spacing:.11em;margin-bottom:23px}.hero h1{font-size:clamp(48px,10.5vw,70px);max-width:560px;letter-spacing:-.065em;line-height:1.06;margin-bottom:23px}.hero-intro{font-size:13px;max-width:420px;line-height:1.9}.hero-actions{flex-direction:row;gap:17px;align-items:center}.hero-actions .text-link{font-size:10px}.hero-note{font-size:9px;max-width:none;margin-top:18px}.hero-art{max-width:520px;margin:8px auto -5px;width:100%}.hero-art svg{max-height:410px}.diagram-caption{font-size:8px;margin-top:-12px}.hero .underline:after{height:9px;bottom:3px}.marquee-inner{font-size:12px;gap:11px;padding-top:15px;padding-bottom:15px;justify-content:center}.marquee-inner .spark{font-size:19px}.marquee-inner .last{display:none}.section{padding:60px 0}.section-top{align-items:flex-start;gap:22px;flex-direction:column;margin-bottom:30px}.section-top h2{font-size:37px}.section-top p{font-size:12px;max-width:340px}.path-grid{grid-template-columns:1fr;gap:30px}.path-row{grid-template-columns:30px 1fr 30px;padding:24px 0;gap:12px}.path-row h3{font-size:25px}.path-row p{font-size:12px;max-width:95%}.concept-card{padding:29px}.concept-card h3{font-size:31px;max-width:320px}.concept-card p{font-size:12px}.mini-map{max-width:390px;grid-template-columns:1fr 28px 1fr}.mini-node{font-size:12px;padding:19px 10px}.learning-grid{grid-template-columns:1fr;gap:15px}.learning-card{min-height:245px;padding:27px;display:grid;grid-template-columns:1fr 80px;grid-template-areas:'tag symbol' 'title symbol' 'desc symbol' 'bottom bottom';gap:0}.learning-card .card-tag{grid-area:tag;margin-bottom:25px}.learning-card .card-symbol{grid-area:symbol;align-self:center;justify-self:end;font-size:45px;margin:0}.learning-card h3{grid-area:title;max-width:250px;font-size:27px}.learning-card p{grid-area:desc;max-width:250px;font-size:12px}.learning-card .card-bottom{grid-area:bottom;padding-top:9px}.faq-grid{grid-template-columns:1fr;gap:24px}.faq-intro h2{font-size:38px}.faq-intro p{max-width:380px;margin-bottom:12px}.faq-intro .text-link{padding-bottom:15px}.faq-item summary{font-size:18px;padding-top:22px;padding-bottom:22px}.faq-item .answer{font-size:13px}.history-band{padding-bottom:60px}.history-panel{grid-template-columns:1fr;gap:35px;padding:35px 27px 40px}.history-panel h2{font-size:36px;max-width:430px}.history-panel p{font-size:12px}.history-visual{padding:5px 15px}.old-window{max-width:330px}.year-stamp{right:0}.history-panel .old-note{font-size:8px;margin-top:17px}.footer-main{flex-direction:column;gap:35px;padding-bottom:32px}.footer-brand p{max-width:320px}.footer-links{gap:25px;grid-template-columns:1fr 1fr;font-size:11px}.footer-bottom{flex-direction:column;gap:10px;font-size:9px}.site-footer{padding-top:42px}.resource-grid{grid-template-columns:1fr}.resource-card{min-height:210px;padding:25px}.resource-card h3{font-size:25px}.page-hero{padding:35px 0 35px}.breadcrumb{font-size:9px;margin-bottom:24px;gap:8px}.page-hero h1{font-size:45px;margin-bottom:23px}.page-hero .lead{font-size:14px;line-height:1.9}.page-hero.compact h1{font-size:38px}.page-section{padding-bottom:60px}.intro-callout{font-size:12px;padding:20px}.filter-bar{gap:7px;margin-top:20px}.filter-button{font-size:10px;padding:9px 14px}.search-box{min-height:54px;padding:0 15px}.search-box input{font-size:12px}.results-meta{font-size:9px}.topic-grid{grid-template-columns:1fr;gap:0}.topic-card{grid-template-columns:35px 1fr 25px;gap:12px}.topic-card h2{font-size:27px}.article-layout{display:flex;flex-direction:column;gap:30px;padding-bottom:60px}.article-sidebar{position:static;width:100%;padding:17px 0;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:0 16px;font-size:10px}.article-sidebar strong{width:100%;margin-bottom:9px}.article-sidebar a{display:inline-block;padding:4px 0}.article-sidebar .sidebar-divider{width:100%;margin-top:10px;padding-top:11px}.article-body{width:100%;font-size:14px;line-height:1.95}.article-body h2{font-size:29px;margin-top:38px}.article-body h3{font-size:22px}.archive-body{font-size:13px}.archive-body h2{font-size:24px}.archive-warning{font-size:11px;padding:17px 19px}.faq-page-layout{grid-template-columns:1fr;gap:25px}.faq-page-layout .faq-side{max-width:400px}.timeline-item{grid-template-columns:1fr;gap:15px;padding:30px 0}.timeline-date{font-size:28px}.timeline-date .timeline-tag{display:inline-block;margin-left:12px;vertical-align:middle}.timeline-item h2{font-size:29px}.timeline-item p{font-size:13px}.history-wide{padding:27px;flex-direction:column;align-items:flex-start;gap:23px}.history-wide h2{font-size:27px}.dns-demo{padding:20px}.dns-record{grid-template-columns:1fr;gap:10px;font-size:13px}.dns-record .record-type{justify-self:start}.demo-tabs button{font-size:10px}.error-page{padding:65px 0}.error-code{font-size:100px}.error-page h1{font-size:35px}.error-page p{font-size:13px}.dialog-top{padding:22px 20px 17px}.dialog-top h2{font-size:23px}.dialog-content{padding:0 20px 20px}.dialog-results h3{font-size:18px}}
@media(max-width:360px){.wrap{padding:0 17px}.hero h1{font-size:46px}.hero .eyebrow{font-size:7px}.hero-actions{gap:10px}.hero-actions .button{font-size:10px;padding:15px 16px;gap:10px}.hero-actions .text-link{font-size:9px;gap:5px}.marquee-inner{font-size:10px}.concept-card{padding:23px}.learning-card{padding:23px;grid-template-columns:1fr 48px}.learning-card .card-symbol{font-size:34px}.learning-card h3{font-size:24px}.history-panel{padding:30px 22px}.history-panel h2{font-size:31px}.history-visual{padding:5px}.year-stamp{right:-10px;font-size:17px}.hero-art{margin-top:0}.brand{font-size:34px}.header-tools{gap:7px}.icon-button{width:36px;height:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}