/* BringPass — framework-free design system. Change this first, not the markup. */
:root{--ink:#18324b;--text:#43566a;--muted:#627587;--blue:#3c6a94;--blue-soft:#e9f1f8;--orange:#b6502f;--orange-hover:#ac4725;--orange-soft:#fcf0e9;--line:#dce4eb;--paper:#fff;--wash:#f6f8fa;--dark:#122a40;--radius:12px;--max:1200px;--font:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--text);background:var(--paper);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}p{margin:0 0 1em}h1,h2,h3,h4{color:var(--ink);font-weight:650;line-height:1.13;letter-spacing:-.045em;margin:0 0 .55em}h1{font-size:clamp(3rem,5.3vw,5.1rem);font-weight:720}h2{font-size:clamp(2.05rem,3.3vw,3.15rem)}h3{font-size:1.22rem;letter-spacing:-.025em;line-height:1.3}h4{font-size:1.05rem;letter-spacing:-.015em}strong{color:var(--ink);font-weight:650}img,svg{max-width:100%}img{height:auto;display:block}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}button,a,input,select,summary{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid var(--orange);outline-offset:5px}::selection{background:#d8e8f5;color:var(--ink)}.container{max-width:var(--max);width:calc(100% - 112px);margin-inline:auto}.section{padding:96px 0}.section-sm{padding:64px 0}.eyebrow{font-size:11px;line-height:1.5;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--blue);display:flex;align-items:center;gap:10px;margin-bottom:23px}.eyebrow:before{content:"";width:22px;height:1px;background:currentColor}.lead{font-size:19px;line-height:1.65;max-width:530px}.small{font-size:13px;line-height:1.6;color:var(--muted)}.muted{color:var(--muted)}.accent{color:var(--blue)}.text-link{font-size:14px;font-weight:650;color:var(--blue);display:inline-flex;gap:12px;align-items:center;border-bottom:1px solid transparent;padding:6px 0}.text-link:hover{border-bottom-color:currentColor}.text-link svg{width:16px;height:16px}.icon{width:27px;height:27px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.btn{display:inline-flex;justify-content:center;align-items:center;gap:15px;min-height:48px;padding:12px 21px;font-size:13px;line-height:1.4;font-weight:650;border:1px solid transparent;border-radius:6px;transition:background .16s,color .16s,transform .16s;white-space:normal;text-align:center}.btn svg{width:16px;height:16px}.btn-primary{color:#fff;background:var(--orange)}.btn-primary:hover{background:var(--orange-hover);transform:translateY(-1px)}.btn-secondary{color:var(--ink);border-color:#b9c9d6;background:transparent}.btn-secondary:hover{background:var(--blue-soft)}.btn-light{color:var(--dark);background:#fff}.btn-light:hover{background:#e5eef5}.btn-darkline{border-color:#576a7a;color:#f0f5f9;background:transparent}.btn-darkline:hover{background:#233f57}.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:28px}.skip-link{position:fixed;top:-70px;left:12px;z-index:1000;padding:12px 20px;background:#fff;border:2px solid var(--blue)}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:100;background:rgba(247,250,252,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,228,235,.6)}.nav-wrap{height:85px;display:flex;align-items:center;gap:28px}.brand{font-size:23px;letter-spacing:-.06em;font-weight:750;color:var(--ink);display:inline-flex;align-items:center;gap:9px;white-space:nowrap}.brand svg{width:33px;height:35px}.nav-links{display:flex;gap:27px;align-items:center;margin-left:auto}.nav-links>a{font-size:12px;font-weight:600;color:#506276;position:relative;padding:12px 0}.nav-links>a:hover,.nav-links>a[aria-current=page]{color:var(--ink)}.nav-links>a[aria-current=page]:after{position:absolute;bottom:2px;content:"";left:0;width:18px;height:2px;background:var(--orange)}.nav-cta{margin-left:8px;min-height:39px;padding:9px 15px;font-size:11px}.menu-toggle{display:none;border:0;background:transparent;color:var(--ink);padding:10px;margin-left:auto}.hero-wrap{background:radial-gradient(ellipse at 72% 8%,#e4eef8 0,rgba(231,240,248,.85) 26%,rgba(247,250,252,.35) 55%,transparent 74%),linear-gradient(#f6f9fc,#fff 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h2{margin-bottom:0;max-width:650px}.section-heading p{max-width:340px;font-size:14px;margin:0}.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}.route{position:relative}.route .number{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--blue);display:flex;align-items:center;gap:14px;margin-bottom:23px}.route .number:after{content:"";height:1px;flex:1;background:#c9d6e1}.route:last-child .number:after{background:linear-gradient(90deg,#c9d6e1,transparent)}.route svg{color:#6b879f;margin-bottom:16px;width:32px;height:32px}.route h3{font-size:17px;margin-bottom:10px}.route p{font-size:13px}.route small{font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:650;color:#566e82}.footnote{border-left:2px solid #c7d7e5;padding-left:15px;font-size:12px;line-height:1.7;color:#586e82;margin-top:31px;max-width:750px}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}.option{padding:0 0 25px;margin-bottom:25px;border-bottom:1px solid var(--line)}.option .icon{color:#688aaa;width:35px;height:35px;margin-bottom:14px}.option h3{font-size:17px;margin-bottom:7px}.option p{font-size:13px;line-height:1.65;margin:9px 0 0}.status{font-size:10px;letter-spacing:.04em;display:inline-flex;align-items:center;gap:6px;color:#566e82;font-weight:650}.status:before{content:"";width:5px;height:5px;border-radius:50%;background:#819bb0}.status.future{color:#a95538}.status.future:before{background:#d47650}.status.native{color:#476b64}.status.native:before{background:#6d998b}.architecture{padding:0 0 60px}.architecture img{max-width:860px;margin:auto}.center{text-align:center}.protocol-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:37px}.protocol-strip>div{padding:22px 24px 10px 0}.protocol-strip .step{font-size:11px;font-family:var(--mono);color:var(--orange);margin-bottom:9px}.protocol-strip h3{font-size:16px}.protocol-strip p{font-size:13px;margin:0}.flow-tabs{display:flex;gap:6px;flex-wrap:wrap;padding-bottom:23px;border-bottom:1px solid var(--line);margin-bottom:35px}.flow-tab{background:transparent;border:1px solid transparent;border-radius:5px;padding:10px 14px;color:#586e80;font-size:12px;font-weight:600}.flow-tab:hover{background:#edf3f7}.flow-tab[aria-selected=true]{background:#e7eff6;color:#204666;border-color:#d9e4ed}.flow-content{display:grid;grid-template-columns:.72fr 1.28fr;gap:80px;min-height:235px}.flow-intro h3{font-size:25px;margin-bottom:12px}.flow-intro p{font-size:14px}.flow-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:27px;padding-top:3px}.flow-step{position:relative}.flow-step>span{display:block;font-family:var(--mono);font-size:12px;color:var(--blue);padding-bottom:20px;border-bottom:1px solid #c8d7e4;margin-bottom:19px}.flow-step:not(:last-child)>span:after{content:"→";position:absolute;right:-17px;top:5px;background:var(--paper);padding:0 5px;color:#99acbd}.flow-step h4{font-size:15px}.flow-step p{font-size:12px;line-height:1.7}.flow-caveat{grid-column:1/-1;font-size:12px;border-left:2px solid #d5aa95;padding-left:14px;margin:0;color:#806854}.developer-band{background:var(--dark);color:#bccbd8;padding:79px 0}.developer-band h2,.developer-band h3,.developer-band strong{color:#f3f7fa}.developer-band .eyebrow{color:#93b6d5}.developer-band p{font-size:14px}.developer-band .text-link{color:#b3cee4}.developer-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.code-details{border:1px solid #3e5368;border-radius:7px;background:#162e45;margin-bottom:10px;overflow:hidden}.code-details summary{padding:16px 18px;display:flex;align-items:center;gap:12px;cursor:pointer;list-style:none;font-size:12px;font-family:var(--mono);color:#e0ebf2}.code-details summary::-webkit-details-marker{display:none}.code-details summary:after{content:"+";margin-left:auto;font-size:16px;color:#abc2d6}.code-details[open] summary:after{content:"−"}.code-details[open] summary{border-bottom:1px solid #334b60}.code-details .language-dot{width:6px;height:6px;background:#d38a67;border-radius:50%}.code-body{position:relative;min-width:0}.code-body pre{margin:0;padding:20px;white-space:pre;overflow:auto;font-size:11px;line-height:1.9;tab-size:2;font-family:var(--mono);color:#c8dbea;background:#12283d;max-height:460px}.code-tools{display:flex;gap:10px;padding:9px 15px;background:#193047;border-top:1px solid #334b60;align-items:center}.copy-btn,.code-tools a{border:0;background:transparent;color:#bfcede;font-size:11px;font-family:var(--mono);padding:4px 0;cursor:pointer}.code-tools a{margin-left:auto}.copy-btn:hover,.code-tools a:hover{color:#fff}.token-section{background:linear-gradient(130deg,#fafbfc,#edf3f8 95%);overflow:hidden}.token-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:35px;align-items:center}.token-art{width:112%;max-width:none;margin-left:-9%}.token-copy h2{max-width:430px}.token-copy p{max-width:410px;font-size:15px}.token-copy 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84px}.cta-content{display:flex;align-items:center;justify-content:space-between;gap:35px;padding-top:46px;border-top:1px solid var(--line)}.cta-content h2{font-size:35px;max-width:600px;margin-bottom:10px}.cta-content p{font-size:14px;margin:0}.cta-content .actions{margin-top:0;flex-shrink:0}.site-footer{background:#f7f9fb;padding:52px 0 25px;border-top:1px solid var(--line)}.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer-brand p{font-size:12px;max-width:260px;margin:14px 0 9px}.footer-column h3{font-size:10px;letter-spacing:.1em;text-transform:uppercase;margin:8px 0 15px}.footer-column a{display:block;font-size:12px;color:#5a7185;padding:4px 0}.footer-column a:hover{color:var(--ink);text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:25px;align-items:center;font-size:10px;color:#5d7387;border-top:1px solid var(--line);margin-top:38px;padding-top:22px}.footer-bottom p{margin:0}.footer-bottom a{text-decoration:underline;text-underline-offset:3px}.page-hero{padding:70px 0 53px;background:linear-gradient(#f0f5fa,#fff)}.page-hero h1{font-size:clamp(2.8rem,4.6vw,4.25rem);max-width:840px}.page-hero .lead{max-width:650px;font-size:18px}.breadcrumb{display:flex;align-items:center;gap:10px;font-size:11px;color:#667f93;margin:0 0 34px}.breadcrumb a:hover{text-decoration:underline}.page-hero .eyebrow{margin-bottom:16px}.content-section{padding:42px 0 75px}.content-section+ .content-section{border-top:1px solid var(--line)}.prose{max-width:810px}.prose h2{font-size:30px;margin-top:45px;margin-bottom:18px}.prose h2:first-child{margin-top:0}.prose h3{font-size:20px;margin-top:30px}.prose p,.prose li{font-size:15px;line-height:1.85}.prose ul,.prose ol{padding-left:23px}.prose li+li{margin-top:9px}.prose a,.citation a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.prose code{font-family:var(--mono);font-size:12px;background:#eef3f7;padding:2px 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label{font-size:12px;display:block;font-weight:600;color:var(--ink);margin-bottom:6px}.fit-tool select,.calculator input{width:100%;border:1px solid #bccddc;background:#fff;color:var(--ink);border-radius:5px;padding:11px 12px;font-size:13px;min-height:44px}.fit-output{background:#fff;padding:20px 23px;margin-top:24px;border-left:3px solid #527b9f;font-size:14px}.fit-output h3{font-size:18px}.fit-output p{margin:0;font-size:13px}.scenario{padding:36px 0;border-bottom:1px solid var(--line)}.scenario h2{font-size:27px}.scenario .flow-steps{max-width:960px;margin:23px 0}.scenario .flow-step p{font-size:13px}.scenario .flow-caveat{font-size:12px;max-width:900px}.calculator{padding:35px;background:#f0f5f9;border-radius:8px;max-width:850px}.calc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px 22px}.calc-output{margin-top:28px;padding-top:25px;border-top:1px solid #ccdbe6;display:flex;gap:45px}.calc-output output{font-size:31px;letter-spacing:-.035em;font-weight:650;color:var(--ink);display:block}.calc-output p{font-size:11px;margin:0}.developer-content{background:#122a40;color:#bbccda;padding:55px 0 80px}.developer-content h2,.developer-content h3{color:#f0f6fa}.developer-content strong{color:#f0f6fa}.developer-content .notice{background:#1e354b;color:#d9bdab;border-color:#bd8567}.developer-content .notice strong{color:#f3d6c1}.language-filter{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0}.language-filter button{font-size:11px;line-height:1.5;color:#c4d4e1;border:1px solid #43596e;background:transparent;border-radius:5px;padding:8px 13px}.language-filter button[aria-pressed=true]{background:#d9e7f1;color:#213e57;border-color:#d9e7f1}.examples-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;align-items:start}.examples-grid .code-details{margin:0;min-width:0}.developer-content .small{color:#b6c9d8}.developer-content .btn{margin-top:20px}.demo{padding:30px;background:#f0f5f9;border:1px solid #d9e4ed;border-radius:9px;margin:28px 0}.demo-actions{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.demo pre{background:#fff;color:#355773;min-height:145px;white-space:pre-wrap;font-size:12px;line-height:1.8;padding:20px;border-left:2px solid #87a5be}.legal-grid{display:grid;grid-template-columns:1fr 1fr;gap:23px;margin:27px 0}.legal-field{padding:17px 0;border-bottom:1px solid var(--line)}.legal-field dt{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.legal-field dd{margin:6px 0 0;font-size:14px;color:#9a532f}.sources-list{list-style:none;padding:0!important;counter-reset:source}.sources-list li{padding:20px 0;border-bottom:1px solid var(--line);font-size:13px;overflow-wrap:anywhere}.sources-list strong{display:block}.citation{font-size:11px!important;color:var(--muted);line-height:1.7;margin-top:18px}.code-inline{font-family:var(--mono);font-size:12px}.checklist{list-style:none;padding-left:0!important}.checklist li{position:relative;padding-left:27px}.checklist li:before{content:"□";position:absolute;left:0;color:#6e8fa9}.faq-search{max-width:640px;margin:0 0 33px}.faq-search label{display:block;font-size:11px;margin-bottom:9px;color:#587288}.faq-search input{font-size:15px;width:100%;border:1px solid #c4d4e0;padding:14px 16px;border-radius:5px;color:var(--ink);background:#f9fbfc}.faq-count{font-size:12px;color:var(--muted);margin-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}[hidden]{display:none!important}.no-js-note{display:none}noscript .no-js-note{display:block}.toast{position:fixed;right:24px;bottom:24px;z-index:200;background:#19364e;color:white;padding:12px 20px;border-radius:6px;font-size:13px;max-width:calc(100% - 48px);box-shadow:0 8px 25px #1232}.badge-draft{font-family:var(--mono);font-size:10px;letter-spacing:.03em;padding:4px 7px;border-radius:3px;background:#e8f0f7;color:#58748b;white-space:nowrap}
@media(min-width:1600px){:root{--max:1280px}.hero{min-height:685px}.hero-art{width:113%}}
@media(max-width:1150px){.container{width:calc(100% - 64px)}.nav-links{gap:18px}.nav-wrap{gap:16px}.nav-cta{margin-left:0}.hero{min-height:580px}.hero h1{font-size:63px}.split{gap:55px}.context-items{gap:26px}.developer-layout{gap:45px}.route-grid{gap:25px}.faq-layout{gap:55px}.hero-art{width:111%}.hero .lead{font-size:16px}}
@media(max-width:930px){.nav-links{gap:13px}.nav-links>a{font-size:11px}.nav-cta{display:none}.hero h1{font-size:54px}.hero{min-height:540px}.hero-copy{padding-bottom:28px}.hero .actions{gap:8px}.hero .btn{font-size:11px;padding-inline:14px}.contexts{align-items:start}.context-items{gap:22px;justify-content:flex-end}.context-items span{font-size:11px}.context-items svg{width:18px}.split{gap:40px}.benefit-grid{gap:28px}.route-grid{gap:20px}.section{padding:76px 0}.developer-layout{grid-template-columns:.85fr 1.15fr;gap:33px}.token-copy h2{font-size:36px}.flow-content{gap:40px;grid-template-columns:.75fr 1.25fr}.flow-steps{gap:20px}.cta-content{align-items:start}.cta-content .actions{flex-direction:column}.article-layout{grid-template-columns:165px minmax(0,1fr);gap:38px}.footer-main{gap:24px}.section-heading{align-items:start}.section-heading p{max-width:280px}}
@media(max-width:760px){.container{width:calc(100% - 44px)}.nav-wrap{height:71px}.brand{font-size:22px}.brand svg{width:29px}.js-ready .menu-toggle{display:block}.js-ready .nav-links{display:none;position:absolute;top:71px;left:0;right:0;padding:20px 25px 28px;background:#f7fafc;border-bottom:1px solid #d7e3ec;box-shadow:0 12px 20px #18324b0b}.js-ready .nav-links.is-open{display:flex;flex-direction:column;align-items:stretch;gap:2px}.nav-links>a{font-size:14px;padding:12px 0}.nav-links>a[aria-current=page]:after{bottom:8px}.nav-links{flex-wrap:wrap;gap:8px;margin-left:12px}.nav-wrap:not(.js-ready .nav-wrap){height:auto;min-height:71px;flex-wrap:wrap;padding:10px 0}.js-ready .nav-wrap{height:71px;flex-wrap:nowrap;padding:0}.hero{grid-template-columns:1fr;padding-top:45px;gap:0;min-height:0}.hero h1{font-size:clamp(46px,10.8vw,70px);max-width:600px}.hero-copy{padding-bottom:0;max-width:560px}.hero .lead{font-size:17px;max-width:440px}.hero .btn{font-size:12px}.hero-art{width:108%;margin:-2px 0 -25px -4%;max-width:630px;justify-self:center}.hero-note{font-size:10px;margin-top:20px}.eyebrow{font-size:10px;margin-bottom:18px}.contexts{padding:20px 0 29px;display:block}.contexts>p{max-width:none;font-size:10px;margin-bottom:20px}.context-items{justify-content:space-between;gap:17px}.context-items span{font-size:10px;gap:6px}.context-items svg{width:17px}.section{padding:62px 0}.section-sm{padding:45px 0}.split,.split-balanced{grid-template-columns:1fr;gap:36px}.split-intro{max-width:530px}.split-intro>p{max-width:450px;font-size:14px}.benefit-grid{gap:32px}.benefit p{max-width:none;font-size:13px}.benefit h3{font-size:17px}.benefit .icon{width:27px;margin-bottom:12px}.section-heading{display:block;margin-bottom:30px}.section-heading p{max-width:440px;margin-top:18px}.route-grid{grid-template-columns:1fr 1fr;gap:34px 24px}.route .number{margin-bottom:15px}.route svg{width:27px;height:27px;margin-bottom:12px}.options-grid{gap:0 27px}.architecture{padding-bottom:35px}.protocol-strip{grid-template-columns:1fr 1fr;margin-top:20px}.protocol-strip>div{padding-top:20px;padding-right:20px}.flow-content{grid-template-columns:1fr;gap:18px}.flow-intro h3{font-size:24px}.flow-intro p{max-width:500px}.flow-tabs{gap:4px;padding-bottom:18px;margin-bottom:25px}.flow-tab{padding:8px 10px;font-size:11px}.flow-steps{gap:20px}.flow-step h4{font-size:14px}.flow-step p{font-size:11px}.flow-step>span{padding-bottom:12px;margin-bottom:15px}.flow-caveat{margin-top:5px}.developer-layout{grid-template-columns:1fr;gap:30px}.developer-band{padding:59px 0}.developer-band h2{max-width:460px}.developer-band p{max-width:500px}.token-layout{grid-template-columns:1fr;gap:0}.token-art{width:104%;margin:-25px 0 0 -2%;max-width:600px;justify-self:center}.token-copy{order:-1}.token-copy p{max-width:500px}.token-copy h2{font-size:34px;max-width:470px}.faq-layout{grid-template-columns:1fr;gap:30px}.faq-item summary{font-size:14px;padding:20px 27px 20px 0}.faq-item p{font-size:13px}.cta-section{padding-bottom:60px}.cta-content{display:block;padding-top:35px}.cta-content .actions{flex-direction:row;margin-top:23px}.cta-content h2{font-size:30px}.footer-main{grid-template-columns:repeat(3,1fr);gap:25px 18px}.footer-brand{grid-column:1/-1}.footer-brand p{max-width:400px}.footer-bottom{display:block;font-size:10px}.footer-bottom p+p{margin-top:10px}.page-hero{padding:44px 0 30px}.page-hero h1{font-size:42px}.page-hero .lead{font-size:16px}.breadcrumb{margin-bottom:28px;font-size:10px}.content-section{padding:33px 0 55px}.article-layout{grid-template-columns:1fr;gap:28px}.sidebar{position:static;display:flex;gap:12px 20px;flex-wrap:wrap;align-items:center;padding:15px 0;border-left:0;border-block:1px solid var(--line)}.sidebar strong{width:100%;margin:0}.sidebar a{padding:2px 0;font-size:11px}.prose h2{font-size:26px}.prose p,.prose li{font-size:14px}.row-grid{grid-template-columns:1fr;gap:25px}.fit-tool{padding:23px}.fit-grid{grid-template-columns:1fr;gap:14px}.calc-grid{grid-template-columns:1fr 1fr}.calculator{padding:24px}.calc-output{gap:30px;flex-wrap:wrap}.calc-output output{font-size:27px}.examples-grid{grid-template-columns:1fr}.legal-grid{grid-template-columns:1fr;gap:0}.scenario h2{font-size:25px}.scenario .flow-step p{font-size:12px}.lead{font-size:17px}.demo{padding:22px}.demo .btn{font-size:11px;padding:10px 12px}.token-features{gap:14px}.table-wrap{border-right:1px solid var(--line)}th,td{padding:13px 12px}.badge-draft{font-size:9px}.site-footer{padding-top:37px}}
@media(max-width:400px){.container{width:calc(100% - 34px)}.hero h1{font-size:45px}.hero .lead{font-size:16px}.hero .actions{flex-direction:column;align-items:stretch;max-width:310px}.hero-art{margin-top:6px}.context-items{gap:15px}.context-items span{font-size:9px}.context-items .icon{width:15px}.benefit-grid{gap:29px 22px}.benefit h3{font-size:16px}.flow-steps{grid-template-columns:1fr;gap:18px}.flow-step>span{float:left;border:0;width:27px;padding:0;margin:2px 9px 0 0}.flow-step:not(:last-child)>span:after{display:none}.flow-step p{padding-left:36px;font-size:12px}.flow-step h4{padding-left:36px}.footer-main{gap:25px 12px}.footer-column a{font-size:11px}.footer-column h3{font-size:9px}.calc-grid{grid-template-columns:1fr}.route-grid{gap:30px 20px}.option h3{font-size:16px}.option p{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{.site-header,.site-footer,.actions,.menu-toggle,.copy-btn,.flow-tabs,.language-filter{display:none!important}body{font-size:11pt;color:#222}.container{max-width:none;width:100%}.hero{min-height:0;padding:20px 0;grid-template-columns:1fr 1fr}.hero h1{font-size:38pt}.hero-art{width:100%;margin:0}.section,.content-section,.section-sm{padding:24px 0}.developer-band,.developer-content{background:#fff;color:#222}.developer-band h2,.developer-content h2{color:#222}.code-details{break-inside:avoid}.code-body pre{white-space:pre-wrap;color:#111;background:#eee}.page-hero{padding:15px 0}.article-layout{display:block}.sidebar{display:none}h2,h3{break-after:avoid}a{text-decoration:underline}.notice{border:1px solid #aaa}.flow-panel[hidden]{display:block!important}.flow-panel{margin-bottom:20px}.token-art{max-height:240px;width:auto}.examples-grid{display:block}}
/* Utility class for file:// clipboard fallback. */
.copy-fallback{position:fixed;top:-1000px;left:-1000px;width:1px;height:1px}
.developer-band .pill{border-color:#4b6175;color:#c5d7e5}
/* Let content shrink inside grid tracks; keep long code and tables locally scrollable. */
.split>*,.developer-layout>*,.token-layout>*,.faq-layout>*,.flow-content>*,.article-layout>*,.hero>*{min-width:0}
.architecture img{width:100%;max-width:860px}

/* Extracted static presentation utilities (strict style-src self). */
.u-style-1{color:#b0c4d5;margin-top:21px}
.u-style-2{font-size:11px;margin-top:14px}
.u-style-3{color:#9fbcd3}
.u-style-4{margin:25px 0 0}
.u-style-5{margin-top:20px}
.u-style-6{margin:20px 0 0}

.architecture-mobile{display:none}
@media(max-width:600px){.architecture-desktop{display:none}.architecture-mobile{display:block;max-width:360px!important;width:100%;margin-inline:auto}}

/* Original artwork restored. Secondary illustrations are accents, not section containers.
   These two variables are the only knobs needed to change their prominence. */
:root{--illustration-saturation:.40;--illustration-opacity:.94}
.locale-switch{display:flex;align-items:center;gap:3px;margin-left:auto;order:3;flex-shrink:0}
.locale-switch a{font-size:10px;letter-spacing:.06em;font-weight:700;padding:7px 7px;color:var(--muted);border-radius:4px;line-height:1.2;text-decoration:none}
.locale-switch a[aria-current=true]{color:var(--ink);background:#e5edf4}
.locale-switch a:hover{color:var(--orange)}
.nav-links{order:2;margin-left:auto}.nav-cta{order:4}.menu-toggle{order:5}
.nav-wrap{gap:18px}.nav-links{gap:22px}.nav-cta{padding-inline:15px;font-size:11px}
.hero-wrap{background:radial-gradient(ellipse at 75% 13%,#e6eff9 0,rgba(239,246,252,.5) 41%,transparent 69%),linear-gradient(#f5f9fd,#fff 93%)}
.hero{grid-template-columns:1fr 1.12fr;gap:28px;padding-top:55px;min-height:630px}
.hero-art{width:106%;margin-left:-3%;margin-top:14px;max-width:none;mix-blend-mode:multiply}
.hero-art .original-hero{display:block;width:100%;height:auto;filter:none;clip-path:polygon(5% 0,100% 0,100% 100%,0 100%,0 63%,5% 52%)}
.supporting-art{display:block;object-fit:contain;mix-blend-mode:multiply;filter:saturate(var(--illustration-saturation));opacity:var(--illustration-opacity);mask-image:radial-gradient(ellipse at center,#000 48%,rgba(0,0,0,.97) 59%,transparent 79%)}
.fact-art{width:94px;height:79px;margin:0 0 17px -8px}
.benefit-grid{row-gap:34px}
.route-art{width:124px;height:85px;margin:0 0 13px -9px}
.route .number{margin-bottom:12px}.route p{max-width:235px}
.carrier-art{width:70px;height:83px;margin:0 0 13px -5px}
.option h3{margin-top:0}
.protocol-art{width:83px;height:73px;margin:7px 0 15px -7px}
.protocol-strip>div{position:relative;padding-bottom:12px}
.scenario-art{width:112px;height:66px;float:right;margin:0 0 8px 14px}
.scenario-side-art{width:118px;height:79px;float:right;margin:0 0 10px 20px}
.flow-intro:after,.scenario:after{content:"";display:block;clear:both}
.token-art.original-token{width:min(100%,360px);height:auto;margin:0;justify-self:center;filter:saturate(.7);mask-image:radial-gradient(ellipse at center,#000 59%,transparent 82%)}
.original-token+div{min-width:0}
html[lang=de] h1,html[lang=de] h2,html[lang=de] h3,html[lang=de] .nav-links a{hyphens:auto;overflow-wrap:break-word}
html[lang=de] .hero h1{font-size:clamp(46px,4.7vw,68px);letter-spacing:-.045em}
html[lang=de] .nav-links{gap:17px}
html[lang=de] .english-resource:after{content:"EN";display:inline-block;font-family:var(--mono);font-size:9px;line-height:1;letter-spacing:.04em;border:1px solid currentColor;padding:3px 4px;border-radius:3px;margin-left:7px;vertical-align:middle;opacity:.72}
@media(min-width:1600px){.hero{min-height:680px}.hero-art{width:107%}}
@media(max-width:1150px){.nav-links{gap:15px}.nav-wrap{gap:13px}.nav-cta{display:none}.hero{gap:16px;min-height:590px}.hero-art{width:109%}.hero h1{font-size:61px}.locale-switch{margin-left:0}}
@media(max-width:930px){.hero{min-height:535px;gap:10px}.hero h1{font-size:51px}.nav-links{gap:13px}.fact-art{width:86px;height:74px}.route-art{width:105px;height:79px}html[lang=de] .nav-links{gap:12px}}
@media(max-width:760px){.hero{grid-template-columns:1fr;padding-top:42px;min-height:0;gap:10px}.hero h1{font-size:clamp(45px,10.8vw,70px)}.hero-art{width:100%;max-width:560px;margin:24px auto 5px}.hero-copy{max-width:600px}.hero-note{font-size:10px}.nav-wrap{gap:12px}.locale-switch{order:3;margin-left:auto}.menu-toggle{order:4}.nav-links{order:5}.fact-art{width:82px;height:70px;margin-bottom:12px}.route-art{width:106px;height:79px}.carrier-art{width:65px;height:75px}.protocol-art{width:73px;height:65px}.token-art.original-token{width:min(80%,320px);margin:30px auto 0}.scenario-art{width:108px;height:62px}.scenario-side-art{width:100px;height:65px}html[lang=de] .hero h1{font-size:clamp(44px,9.5vw,66px)}.locale-switch a{font-size:10px}.protocol-strip>div{padding-bottom:10px}}
@media(max-width:400px){.hero h1{font-size:45px}.locale-switch{gap:0}.locale-switch a{padding:7px 5px}.nav-wrap{gap:8px}.hero-art{margin-top:19px}.fact-art{width:74px;height:65px}.route-art{width:96px;height:73px}html[lang=de] .hero h1{font-size:44px}}
@media print{.locale-switch{display:none}.supporting-art{filter:grayscale(1)}.hero-art .original-hero{max-width:340px}}
/* Let the restored hero floor fade naturally into the following white section. */
.hero-art .original-hero{mask-image:linear-gradient(to bottom,#000 0%,#000 96%,transparent 100%)}

/* Faithful SVG reconstruction: transparent art, not masked bitmap crops. */
.hero-art .original-hero{clip-path:none;mask-image:linear-gradient(to bottom,#000 0%,#000 98%,transparent 100%)}
.supporting-art{mask-image:none}
.token-art.original-token{mask-image:none}

/* Protocol 0.3 — open documentation layouts and the original three-colour mark. */
:root{--brand-red:#ff804a;--brand-yellow:#f8b43f;--brand-blue:#3d8dea}
.brand .brand-mark{width:34px;height:36px;object-fit:contain;flex-shrink:0}
.wash-section{background:#f6f8fa}
.page-hero>h1{max-width:980px}.page-hero>.lead{max-width:820px}
.protocol-jump{display:flex;gap:12px 25px;flex-wrap:wrap;padding:18px 0;border-block:1px solid var(--line);font-size:12px;font-weight:600}
.protocol-jump a:hover{color:var(--orange)}
.boundary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:36px}
.boundary-grid article{border-top:1px solid var(--line);padding-top:22px;min-width:0}
.lane-letter{font:600 12px var(--mono);display:block;margin-bottom:14px;color:var(--blue)}
.boundary-grid article:first-child .lane-letter{color:var(--orange)}
.boundary-grid h3{font-size:21px}.boundary-grid p{font-size:14px;line-height:1.7}
.boundary-grid pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px;padding:16px 0;line-height:1.8;min-height:65px;color:#37638a}
.split-protocol{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:64px;align-items:start}
.split-protocol>*{min-width:0}.split-protocol p{font-size:15px;line-height:1.75}
.split-protocol pre{overflow:auto;max-width:100%;font:12px/1.8 var(--mono);padding:22px;background:#edf2f7;border-radius:6px}
.protocol-details{border-bottom:1px solid var(--line);padding:0;margin:0;min-width:0}
.protocol-details summary{padding:20px 30px 20px 0;font-size:14px;font-weight:650;color:var(--ink);cursor:pointer;overflow-wrap:anywhere}
.protocol-details .detail-content{padding:0 0 22px;font-size:14px}
.protocol-details pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:20px;background:#edf2f7;font:12px/1.8 var(--mono)}
.operation-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:34px;margin:35px 0}
.operation-grid article{border-top:1px solid var(--line);padding-top:22px;min-width:0}
.operation-grid .protocol-art{width:82px;height:64px;object-fit:contain;object-position:left;margin:0 0 20px}
.operation-grid code{display:block;font:11px var(--mono);color:var(--blue);margin-bottom:10px}
.operation-grid h3{font-size:18px}.operation-grid p{font-size:13px;line-height:1.7}
.transcript-controls{display:flex;flex-wrap:wrap;gap:22px;margin:30px 0 20px}
.transcript-controls label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:600;flex:1;min-width:165px}
.transcript-controls select{padding:10px 14px;color:var(--ink);border:1px solid #c4d4e0;border-radius:5px;background:#fff;width:100%}
.transcript-window{background:#112b40;color:#d3e1ed;border:1px solid #263e51;border-radius:9px;overflow:hidden}
.terminal-title{display:flex;gap:10px;align-items:center;font:11px/1.5 var(--font);color:#a5c0d6;padding:14px 22px;border-bottom:1px solid #304659}
.terminal-title .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-yellow);flex-shrink:0}
#protocol-transcript{margin:0;padding:24px;min-height:250px;overflow:auto;font:12px/2 var(--mono);white-space:pre}
#trace-note{margin:20px 0;font-size:13px;color:var(--muted)}
.sample-level{margin-left:auto;font:10px/1.4 var(--font);font-weight:500;color:#aec3d3;max-width:150px;text-align:right}
.code-details .peer-label{font:10px/1.6 var(--mono);letter-spacing:.04em;color:#b4c9da;padding:0 18px;margin:12px 0 0}
.examples-grid .code-body pre{max-height:440px;overflow:auto;font-size:11px;line-height:1.8}
.peer-code pre{background:#0b2235;color:#d2e3f0;font:12px/2 var(--mono);overflow:auto;white-space:pre;border:1px solid #35495c;border-radius:6px;padding:24px;margin:0}
.compatibility-table th:first-child{min-width:150px}.compatibility-table code{color:var(--blue);font-size:16px;line-height:2}
@media(max-width:1000px){.boundary-grid{gap:24px}.split-protocol{gap:32px}.operation-grid{gap:22px}.boundary-grid h3{font-size:18px}.sample-level{max-width:110px}}
@media(max-width:760px){.boundary-grid,.split-protocol{grid-template-columns:1fr;gap:30px}.operation-grid{grid-template-columns:1fr 1fr;gap:26px}.brand .brand-mark{width:29px;height:33px}.protocol-jump{gap:12px 18px;font-size:11px}.transcript-controls{gap:14px}.transcript-controls label{min-width:135px}#protocol-transcript{font-size:10px;padding:18px;min-height:230px}.terminal-title{padding:13px 18px;font-size:10px}.page-hero>h1{overflow-wrap:normal}.operation-grid h3{font-size:16px}.operation-grid p{font-size:12px}.peer-code pre{font-size:11px;padding:18px}.split-protocol pre{font-size:11px;padding:18px}.boundary-grid pre{min-height:0}.sample-level{max-width:130px}}
@media(max-width:380px){.operation-grid{grid-template-columns:1fr}.transcript-controls label{min-width:100%;max-width:100%}.sample-level{max-width:100px}.code-details summary{gap:9px}}
/* Allow translated route headings to shrink within the viewport rather than widening the grid. */
.route-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.route{min-width:0;overflow-wrap:anywhere}
@media(max-width:760px){.route-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* The example selector sits on white, unlike the dark code panels. */
.language-filter button{color:#3b5870;border-color:#8299af;background:#fff}
.language-filter button:hover{color:#18384f;background:#edf3f8}
.language-filter button[aria-pressed=true]{color:#fff;background:#264963;border-color:#264963}