[hidden]{display:none!important}
.atlas-brand-logo{display:block;width:166px;height:auto}.footer-brand-logo{width:148px}
.learning-label{margin-right:auto;margin-left:18px;padding-left:18px;border-left:1px solid var(--line);font:400 15px Georgia,serif}
.header-link{margin-left:28px}
.breadcrumb{max-width:1060px;margin:0 auto;padding:26px 30px 0;display:flex;gap:10px;font-size:10px;color:var(--muted)}
.breadcrumb a{text-decoration:none}.breadcrumb b{color:var(--ink)}
.course-hero{padding-top:62px}
.path-hero{max-width:900px;text-align:left;padding-top:64px;padding-bottom:52px}.path-hero h1{margin:12px 0 18px;max-width:none;font-size:clamp(48px,7vw,72px)}.path-hero .hero-lede{margin:0;max-width:670px}.path-hero .hero-actions{justify-content:flex-start;margin:28px 0 0}.overview-view .curriculum{max-width:900px}.overview-view .curriculum-list{margin-top:24px}.overview-view .curriculum-row{padding-top:20px;padding-bottom:20px}.header-progress{display:none}.reader-open .header-progress{display:flex}
.course-meta{display:flex;justify-content:center;gap:8px;margin-bottom:20px}
.course-meta span{border:1px solid var(--line);padding:5px 8px;font-size:8px;letter-spacing:1px;color:var(--muted)}
.text-button,.back-overview{border:0;background:transparent;color:var(--ink);font-size:11px;text-decoration:underline;cursor:pointer}
.learning-grid{max-width:1060px;margin:0 auto 100px;padding:0 30px;display:grid;grid-template-columns:1.4fr .6fr;gap:60px}
.outcomes-panel h2,.curriculum h2,.overview-cta h2{font-size:clamp(36px,5vw,56px);line-height:1.12;letter-spacing:-1.5px}
.outcome-list{list-style:none;padding:0;margin:35px 0 0;border-top:1px solid var(--line)}
.outcome-list li{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.outcome-list span{font-size:9px;color:var(--green)}
.outcome-list p{font-size:12px;color:var(--muted);margin:0}
.outcome-list b{display:block;font:400 20px Georgia,serif;color:var(--ink);margin-bottom:3px}
.audience-card{background:var(--soft);padding:35px;align-self:start}
.audience-card h3{font-size:29px;line-height:1.2}.audience-card ul{padding-left:18px;font-size:12px;color:var(--muted)}
.prerequisite{border-top:1px solid #cad8cd;padding-top:20px;margin-top:24px;font-size:11px;color:var(--muted)}.prerequisite b{display:block;color:var(--ink);margin-bottom:5px}
.curriculum{max-width:1060px;margin:0 auto 110px;padding:0 30px}.curriculum-time{font-size:10px;color:var(--muted)}
.curriculum-list{border-top:1px solid var(--ink);margin-top:32px}
.curriculum-row{width:100%;display:grid;grid-template-columns:50px 1fr auto;gap:20px;align-items:center;text-align:left;border:0;border-bottom:1px solid var(--line);padding:24px 8px;background:transparent;color:var(--ink);cursor:pointer}
.curriculum-row:hover{background:var(--soft)}.curriculum-row>span,.curriculum-row small{font-size:9px;color:var(--green)}
.curriculum-row b{font:400 24px Georgia,serif}.curriculum-row p{font-size:11px;color:var(--muted);margin:3px 0 0}.curriculum-row.complete b:after{content:'  ✓';color:var(--green)}
.curriculum-row:not(button){cursor:default}.curriculum-row:not(button):hover{background:transparent}.curriculum-row.current{background:var(--ink);color:#fff;border-left:5px solid var(--green);padding:28px 18px;box-shadow:0 14px 34px rgba(16,59,47,.12)}.curriculum-row.current:hover{background:#174c3f}.curriculum-row.current p{color:#c7d1cc}.curriculum-row.current>span,.curriculum-row.current>small,.curriculum-row.current .module-type{color:#91d8b9}.curriculum-row .module-type{display:block;letter-spacing:1.4px;margin-bottom:5px;color:var(--muted)}
.overview-cta{text-align:center;padding:85px 25px;background:var(--soft)}.overview-cta h2{max-width:650px;margin:12px auto 30px}
.reader-titlebar{max-width:1180px;margin:0 auto;padding:28px 24px;display:grid;grid-template-columns:230px 1fr auto;gap:42px;align-items:center}
.reader-titlebar div small,.reader-titlebar div b{display:block}.reader-titlebar div small{font-size:8px;letter-spacing:1.4px;color:var(--green)}
.reader-titlebar div b{font:400 20px Georgia,serif}.reader-titlebar>span{font-size:10px;color:var(--muted)}.back-overview{text-align:left;padding:0}
.module-breadcrumb{max-width:1180px;margin:0 auto;padding:24px 24px 0;display:flex;align-items:center;gap:9px;font-size:10px;color:var(--muted)}.module-breadcrumb button{border:0;background:transparent;padding:0;color:var(--muted);font-size:10px;text-decoration:none;cursor:pointer}.module-breadcrumb button:hover{color:var(--green)}.module-breadcrumb b{color:var(--ink)}
@media(max-width:900px){.learning-grid{grid-template-columns:1fr;gap:25px}.reader-titlebar{grid-template-columns:1fr auto}.reader-titlebar>div{grid-column:1/-1;grid-row:2}}
@media(max-width:600px){.atlas-brand-logo{width:132px}.footer-brand-logo{width:140px}.learning-label{font-size:12px;margin-left:10px;padding-left:10px}.header-link{display:none}.breadcrumb{padding:18px 18px 0}.course-hero{padding-top:45px}.course-meta{flex-wrap:wrap}.learning-grid,.curriculum{padding-left:20px;padding-right:20px}.curriculum-row{grid-template-columns:35px 1fr}.curriculum-row small{grid-column:2}.reader-titlebar{padding-left:10px;padding-right:10px}}

.merchant-ownership{margin-top:26px;border:1px solid var(--line);background:#fff}.merchant-ownership-head{display:grid;grid-template-columns:1fr 1.1fr;gap:35px;padding:26px;background:var(--soft);border-bottom:1px solid var(--line)}.merchant-ownership-head h4{font:400 27px/1.2 Georgia,serif;margin:5px 0 0}.merchant-ownership-head>p{font-size:12px;color:var(--muted);margin:0}.merchant-model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}.merchant-model-grid button{min-height:104px;border:0;background:#fff;color:var(--ink);text-align:left;padding:17px;cursor:pointer}.merchant-model-grid button:hover,.merchant-model-grid button.active{background:#e7f2eb}.merchant-model-grid button.active{box-shadow:inset 0 -3px var(--green)}.merchant-model-grid b,.merchant-model-grid small{display:block}.merchant-model-grid b{font:400 17px Georgia,serif}.merchant-model-grid small{font-size:9px;line-height:1.4;color:var(--muted);margin-top:8px}.merchant-model-detail{padding:24px 26px;background:var(--ink);color:#fff}.merchant-model-detail small,.merchant-model-detail b{display:block}.merchant-model-detail small{font-size:8px;letter-spacing:1.5px;color:#91d8b9}.merchant-model-detail b{font:400 20px/1.35 Georgia,serif;margin:7px 0}.merchant-model-detail p{font-size:11px;color:#c7d1cc;margin:0;max-width:760px}
@media(max-width:760px){.merchant-ownership-head{grid-template-columns:1fr;gap:10px}.merchant-model-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.merchant-model-grid{grid-template-columns:1fr}}

.vault-boundary{margin-top:26px;border:1px solid var(--line);background:#fff}.vault-boundary-head{display:grid;grid-template-columns:1fr 1.25fr;gap:38px;padding:28px;background:var(--soft);border-bottom:1px solid var(--line)}.vault-boundary-head h4,.proxy-directions h4{font:400 27px/1.2 Georgia,serif;margin:5px 0 0}.vault-boundary-head>p,.proxy-directions article>p:not(.kicker){font-size:12px;color:var(--muted);margin:0}.vault-collection{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.vault-collection article{padding:22px;border-right:1px solid var(--line)}.vault-collection article:last-child{border-right:0}.vault-collection span,.token-path span{display:block;font-size:9px;color:var(--green);margin-bottom:10px}.vault-collection b{font:400 18px Georgia,serif}.vault-collection p{font-size:10px;color:var(--muted);margin:7px 0 12px}.vault-collection small{display:block;font-size:9px;color:var(--ink);padding-top:10px;border-top:1px solid var(--line)}.token-path{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:stretch;background:#f4f8f4;border-bottom:1px solid var(--line)}.token-path>div{padding:20px}.token-path i{align-self:center;color:var(--green);font-style:normal}.token-path b{font:400 16px Georgia,serif}.token-path p{font-size:9px;color:var(--muted);margin:5px 0 0}.proxy-directions{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}.proxy-directions article{padding:28px}.proxy-directions article:first-child{border-right:1px solid var(--line)}.proxy-directions article>p:not(.kicker){margin-top:12px}.mini-path{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin-top:20px;border:1px solid var(--line);background:var(--paper)}.mini-path span,.mini-path b{padding:10px;font-size:9px;text-align:center}.mini-path b{background:#e7f2eb;color:var(--green);font-weight:600}.vault-fundamental{padding:24px 28px;background:var(--ink);color:#fff}.vault-fundamental small,.vault-fundamental b{display:block}.vault-fundamental small{font-size:8px;letter-spacing:1.5px;color:#91d8b9}.vault-fundamental b{font:400 22px Georgia,serif;margin:6px 0}.vault-fundamental p{font-size:11px;color:#c7d1cc;margin:0;max-width:840px}
@media(max-width:760px){.vault-boundary-head,.proxy-directions{grid-template-columns:1fr;gap:15px}.vault-collection{grid-template-columns:1fr}.vault-collection article{border-right:0;border-bottom:1px solid var(--line)}.vault-collection article:last-child{border-bottom:0}.token-path{grid-template-columns:1fr}.token-path i{display:none}.token-path>div{border-bottom:1px solid var(--line)}.proxy-directions article:first-child{border-right:0;border-bottom:1px solid var(--line)}}

.orchestrator-boundary{margin-top:26px;border:1px solid var(--line);background:#fff}.orchestrator-boundary-head{display:grid;grid-template-columns:1fr 1.25fr;gap:38px;padding:28px;background:var(--soft);border-bottom:1px solid var(--line)}.orchestrator-boundary-head h4,.orchestrator-insights h4{font:400 27px/1.2 Georgia,serif;margin:5px 0 0}.orchestrator-boundary-head>p,.orchestrator-insights>div>p:not(.kicker){font-size:12px;color:var(--muted);margin:0}.orchestrator-flow{display:grid;grid-template-columns:1.2fr auto 1.2fr auto repeat(3,1fr);align-items:center;padding:18px 22px;background:#f4f8f4;border-bottom:1px solid var(--line)}.orchestrator-flow span,.orchestrator-flow b{padding:10px;border:1px solid var(--line);background:#fff;text-align:center;font-size:9px}.orchestrator-flow b{background:var(--ink);color:#fff;border-color:var(--ink);font:400 15px Georgia,serif}.orchestrator-flow i{padding:0 7px;color:var(--green);font-style:normal}.orchestrator-capabilities{display:grid;grid-template-columns:repeat(2,1fr);border-bottom:1px solid var(--line)}.orchestrator-capabilities article{padding:24px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.orchestrator-capabilities article:nth-child(2n){border-right:0}.orchestrator-capabilities article:nth-last-child(-n+2){border-bottom:0}.orchestrator-capabilities span{display:block;font-size:9px;color:var(--green);margin-bottom:10px}.orchestrator-capabilities b{font:400 19px Georgia,serif}.orchestrator-capabilities p{font-size:10px;color:var(--muted);margin:7px 0 0}.orchestrator-insights{display:grid;grid-template-columns:1fr 1fr;gap:34px;padding:28px;border-bottom:1px solid var(--line)}.orchestrator-insights>div>p:not(.kicker){margin-top:12px}.orchestrator-insights ul{display:grid;grid-template-columns:1fr 1fr;align-content:start;list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.orchestrator-insights li{font-size:10px;color:var(--muted);padding:9px 6px;border-bottom:1px solid var(--line)}.orchestrator-fundamental{padding:24px 28px;background:var(--ink);color:#fff}.orchestrator-fundamental small,.orchestrator-fundamental b{display:block}.orchestrator-fundamental small{font-size:8px;letter-spacing:1.5px;color:#91d8b9}.orchestrator-fundamental b{font:400 22px Georgia,serif;margin:6px 0}.orchestrator-fundamental p{font-size:11px;color:#c7d1cc;margin:0;max-width:850px}
@media(max-width:760px){.orchestrator-boundary-head,.orchestrator-insights{grid-template-columns:1fr;gap:15px}.orchestrator-flow{grid-template-columns:1fr}.orchestrator-flow i{display:none}.orchestrator-flow span,.orchestrator-flow b{margin-top:-1px}.orchestrator-capabilities{grid-template-columns:1fr}.orchestrator-capabilities article{border-right:0;border-bottom:1px solid var(--line)}.orchestrator-capabilities article:nth-last-child(2){border-bottom:1px solid var(--line)}}

.gateway-boundary{margin-top:26px;border:1px solid var(--line);background:#fff}.gateway-boundary-head{display:grid;grid-template-columns:1fr 1.25fr;gap:38px;padding:28px;background:var(--soft);border-bottom:1px solid var(--line)}.gateway-boundary-head h4,.gateway-capabilities h4{font:400 27px/1.2 Georgia,serif;margin:5px 0 0}.gateway-boundary-head>p,.gateway-capabilities>div>p{font-size:12px;color:var(--muted);margin:0}.credential-flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.credential-flow li{display:grid;grid-template-columns:30px 1fr;gap:8px;padding:22px;border-right:1px solid var(--line)}.credential-flow li:last-child{border-right:0}.credential-flow span{font-size:9px;color:var(--green)}.credential-flow b{font:400 18px Georgia,serif}.credential-flow p{font-size:10px;color:var(--muted);margin:5px 0 0}.gateway-capabilities{display:grid;grid-template-columns:1fr 1fr;gap:34px;padding:28px;border-bottom:1px solid var(--line)}.gateway-capabilities>div>p:last-child{margin-top:12px}.capability-cloud{display:flex;align-content:flex-start;flex-wrap:wrap}.capability-cloud span{border:1px solid var(--line);padding:8px 10px;margin:-1px 0 0 -1px;font-size:10px;background:var(--paper)}.gateway-fundamental{padding:24px 28px;background:var(--ink);color:#fff}.gateway-fundamental small,.gateway-fundamental b{display:block}.gateway-fundamental small{font-size:8px;letter-spacing:1.5px;color:#91d8b9}.gateway-fundamental b{font:400 22px Georgia,serif;margin:6px 0}.gateway-fundamental p{font-size:11px;color:#c7d1cc;margin:0;max-width:800px}
@media(max-width:760px){.gateway-boundary-head,.gateway-capabilities{grid-template-columns:1fr;gap:15px}.credential-flow{grid-template-columns:1fr}.credential-flow li{border-right:0;border-bottom:1px solid var(--line)}.credential-flow li:last-child{border-bottom:0}}

.processor-boundary{margin-top:26px;border:1px solid var(--line);background:#fff}.processor-boundary-head{display:grid;grid-template-columns:1fr 1.25fr;gap:38px;padding:28px;background:var(--soft);border-bottom:1px solid var(--line)}.processor-boundary-head h4,.processor-roles h4{font:400 27px/1.2 Georgia,serif;margin:5px 0 0}.processor-boundary-head>p,.processor-roles article>p{font-size:12px;color:var(--muted);margin:0}.var-flow{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.var-flow li{display:grid;grid-template-columns:30px 1fr;gap:8px;padding:22px;border-right:1px solid var(--line)}.var-flow li:last-child{border-right:0}.var-flow span{font-size:9px;color:var(--green)}.var-flow b{font:400 18px Georgia,serif}.var-flow p{font-size:10px;color:var(--muted);margin:5px 0 0}.processor-roles{display:grid;grid-template-columns:1fr 1fr}.processor-roles article{padding:28px;border-right:1px solid var(--line)}.processor-roles article:last-child{border-right:0}.processor-roles article>p:not(.kicker){margin-top:12px}.processor-roles ul{margin:18px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.processor-roles li{font-size:10px;color:var(--muted);padding:8px 0;border-bottom:1px solid var(--line)}.acquirer-card{background:#f4f8f4}.processor-fundamental{padding:24px 28px;background:var(--ink);color:#fff}.processor-fundamental small,.processor-fundamental b{display:block}.processor-fundamental small{font-size:8px;letter-spacing:1.5px;color:#91d8b9}.processor-fundamental b{font:400 22px Georgia,serif;margin:6px 0}.processor-fundamental p{font-size:11px;color:#c7d1cc;margin:0;max-width:800px}
@media(max-width:760px){.processor-boundary-head,.processor-roles{grid-template-columns:1fr;gap:15px}.var-flow{grid-template-columns:1fr}.var-flow li{border-right:0;border-bottom:1px solid var(--line)}.var-flow li:last-child{border-bottom:0}.processor-roles article{border-right:0;border-bottom:1px solid var(--line)}}

.term{min-height:220px}.term p{margin-bottom:14px}.term small{display:block;padding-top:12px;border-top:1px solid var(--line);font-size:8px;letter-spacing:1.2px;color:var(--green)}.term em{display:block;margin-top:4px;color:var(--ink);font:normal 11px/1.55 Arial,Helvetica,sans-serif}
.glossary-note{max-width:720px;margin:18px 0 0;color:var(--muted);font-size:11px}.company-examples{display:flex;flex-wrap:wrap;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}.company-examples small{flex-basis:100%;border:0;padding:0 0 8px}.company-examples span{padding:4px 7px;border:1px solid var(--line);margin:-1px 0 0 -1px;background:var(--paper);font-size:9px;color:var(--ink)}
.transaction-flow-visual{margin:34px 0 8px;border:1px solid var(--line);background:var(--paper)}.transaction-flow-visual img{display:block;width:100%;height:auto}.transaction-flow-visual figcaption{padding:11px 14px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.operation-cost-note{margin-top:25px;padding:20px 22px;background:var(--soft);border-left:3px solid var(--green)}.operation-cost-note b{font:400 19px Georgia,serif}.operation-cost-note p{margin:5px 0 0;font-size:11px;color:var(--muted)}
.bundle-example{display:grid;grid-template-columns:1.25fr .75fr;margin-top:34px;border:1px solid var(--line)}.bundle-example>div{padding:26px}.bundle-example h4,.tradeoff-head h4{font:400 28px/1.2 Georgia,serif;margin:5px 0 12px}.bundle-example>div>p:last-child,.tradeoff-head>p:last-child{font-size:11px;color:var(--muted);margin:0}.bundle-example aside{padding:24px;background:var(--ink);color:#fff}.bundle-example aside small,.bundle-example aside b{display:block}.bundle-example aside small,.merchant-decision small{font-size:8px;letter-spacing:1.4px;color:#91d8b9}.bundle-example aside b{font:400 19px/1.3 Georgia,serif;margin:7px 0}.bundle-example aside p{font-size:10px;color:#c7d1cc;margin:0}.architecture-tradeoff{margin-top:22px;border:1px solid var(--line)}.tradeoff-head{display:grid;grid-template-columns:1fr 1.25fr;gap:28px;padding:26px;background:var(--soft)}.tradeoff-head>p:last-child{align-self:end}.tradeoff-grid{display:grid;grid-template-columns:1fr 1fr}.tradeoff-grid article{padding:25px;border-top:1px solid var(--line);border-right:1px solid var(--line)}.tradeoff-grid article:last-child{border-right:0}.tradeoff-grid span{font-size:8px;letter-spacing:1.2px;color:var(--green)}.tradeoff-grid b{display:block;font:400 21px Georgia,serif;margin:6px 0 14px}.tradeoff-grid ul{list-style:none;padding:0;margin:0}.tradeoff-grid li{padding:7px 0;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.merchant-decision{padding:22px 25px;background:#f4f8f4;border-top:1px solid var(--line)}.merchant-decision small,.merchant-decision b{display:block}.merchant-decision small{color:var(--green)}.merchant-decision b{font:400 20px Georgia,serif;margin:6px 0}.merchant-decision p{font-size:10px;color:var(--muted);margin:0;max-width:780px}
@media(max-width:760px){.bundle-example,.tradeoff-head,.tradeoff-grid{grid-template-columns:1fr}.tradeoff-grid article{border-right:0}.tradeoff-grid article+article{border-top:1px solid var(--line)}}