.learn-page .hero{background:var(--gray-50);border-bottom:1px solid var(--gray-150);padding:44px 0 56px}.learn-page .crumbs{color:var(--fg-2);font-size:13.5px}.learn-page .crumbs a{color:var(--fg-2)}.learn-page .kicker{letter-spacing:.16em;text-transform:uppercase;color:var(--coral-deep);margin-top:26px;font-size:12px;font-weight:500;display:block}.learn-page .hero h1{letter-spacing:-.035em;max-width:24ch;margin-top:14px;font-size:clamp(32px,4.2vw,50px);line-height:1.08}.learn-page .hero .dek{max-width:60ch;color:var(--fg-2);margin-top:18px;font-size:18.5px;line-height:1.55}.learn-page .meta-row{flex-wrap:wrap;gap:8px;margin-top:26px;display:flex}.learn-page .pill{border-radius:var(--radius-full);border:1px solid var(--gray-300);background:var(--bone);color:var(--fg-1);align-items:center;gap:7px;padding:5px 12px;font-size:12.5px;line-height:1.3;display:inline-flex}.learn-page .pill .dot{background:var(--warning);border-radius:50%;flex:none;width:7px;height:7px}.learn-page .pill.ok .dot{background:var(--success)}.learn-page .pill.info .dot{background:var(--teal-soft)}.learn-page .prose{max-width:66ch;color:var(--fg-1);font-size:17px;line-height:1.7}.learn-page .prose>*+*{margin-top:20px}.learn-page .prose h2{letter-spacing:-.02em;text-wrap:balance;margin-top:64px;scroll-margin-top:96px;font-size:clamp(24px,2.4vw,29px);font-weight:600;line-height:1.25}.learn-page .prose h2+*{margin-top:16px}.learn-page .prose h3{margin-top:36px;font-size:19.5px;font-weight:600;line-height:1.35}.learn-page .prose h3+*{margin-top:10px}.learn-page .prose ul,.learn-page .prose ol{margin-bottom:0}.learn-page .prose>ul:not([class]),.learn-page .answer ul,.learn-page .clip .body ul{flex-direction:column;gap:10px;padding-left:0;list-style:none;display:flex}.learn-page .prose>ul:not([class])>li,.learn-page .answer ul>li,.learn-page .clip .body ul>li{padding-left:22px;position:relative}.learn-page .prose>ul:not([class])>li:before,.learn-page .answer ul>li:before,.learn-page .clip .body ul>li:before{content:"";background:var(--coral);border-radius:50%;width:6px;height:6px;position:absolute;top:.72em;left:3px}.learn-page .prose>ol:not([class]){flex-direction:column;gap:10px;padding-left:24px;display:flex}.learn-page .prose>ol:not([class])>li::marker{color:var(--coral-deep);font-weight:600}.learn-page .prose strong{font-weight:600}.learn-page .prose code{font-family:var(--font-mono);background:var(--gray-50);border:1px solid var(--gray-150);border-radius:var(--radius-xs);overflow-wrap:anywhere;padding:1px 5px;font-size:.86em}.learn-page .prose .muted{color:var(--fg-2)}.learn-page .answer{border:1px solid var(--gray-150);border-left:4px solid var(--teal);border-radius:var(--radius-lg);background:var(--bone);box-shadow:var(--shadow-sm);padding:28px 30px}.learn-page .answer .lbl{letter-spacing:.16em;text-transform:uppercase;color:var(--teal);font-size:12px;font-weight:600}.learn-page .answer p{margin-top:10px;font-size:18px;line-height:1.6}.learn-page .answer h2.tk{letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-top:26px;scroll-margin-top:96px;font-size:12px;font-weight:600}.learn-page .answer ul{margin-top:12px;font-size:16.5px}.learn-page .after-answer{background:var(--gray-150);height:1px;margin-top:72px!important}.learn-page .after-answer+*{margin-top:56px!important}@media (width<=620px){.learn-page .answer{padding:22px 20px}.learn-page .after-answer{margin-top:56px!important}}.learn-page .note{border-radius:var(--radius-md);padding:18px 20px;font-size:15.5px;line-height:1.6}.learn-page .note>*+*{margin-top:8px}.learn-page .note .lbl{letter-spacing:.14em;text-transform:uppercase;font-size:11.5px;font-weight:600;display:block}.learn-page .note.example{background:var(--gray-50);border:1px solid var(--gray-150)}.learn-page .note.example .lbl{color:var(--teal)}.learn-page .note.review{background:var(--coral-wash);border:1px dashed var(--coral-soft);color:var(--ink-on-coral)}.learn-page .note.review .lbl{color:var(--coral-deep)}.learn-page .note.source{background:var(--teal-wash);border:1px solid var(--gray-150)}.learn-page .note.source .lbl{color:var(--teal)}.learn-page .note.suggest{background:var(--bone);border:1px solid var(--coral-soft)}.learn-page .note.suggest .lbl{color:var(--coral-deep)}.learn-page .table-scroll{-webkit-overflow-scrolling:touch;border:1px solid var(--gray-150);border-radius:var(--radius-lg);overflow-x:auto}.learn-page .table-scroll:focus-visible{outline:2px solid var(--coral);outline-offset:3px}.learn-page .prose table{border-collapse:collapse;width:100%;min-width:560px;font-size:14.5px;line-height:1.5}.learn-page .prose caption{caption-side:top;text-align:left;color:var(--fg-2);padding:14px 16px 4px;font-size:13.5px}.learn-page .prose thead th{text-align:left;vertical-align:bottom;background:var(--gray-50);border-bottom:1px solid var(--gray-150);letter-spacing:.1em;text-transform:uppercase;color:var(--teal);padding:12px 16px;font-size:11.5px;font-weight:600}.learn-page .prose tbody th,.learn-page .prose tbody td{border-bottom:1px solid var(--gray-150);vertical-align:top;text-align:left;padding:12px 16px}.learn-page .prose tbody th{color:var(--fg-1);font-weight:600}.learn-page .prose tbody td{color:var(--fg-2)}.learn-page .prose tbody tr:last-child th,.learn-page .prose tbody tr:last-child td{border-bottom:0}.learn-page .fig{margin-bottom:8px;margin-inline:0;margin-top:40px!important}.learn-page .fig .frame{border:1px solid var(--gray-150);border-radius:var(--radius-lg);background:var(--gray-50);padding:26px}@media (width<=620px){.learn-page .fig .frame{padding:16px}}.learn-page .fig figcaption{color:var(--fg-2);margin-top:12px;font-size:14px;line-height:1.55}.learn-page .fig figcaption b{color:var(--fg-1);font-weight:600}.learn-page .textalt{color:var(--fg-1);margin-top:10px;font-size:14.5px;line-height:1.6}.learn-page .textalt summary{cursor:pointer;color:var(--coral-deep);width:fit-content;font-weight:500}.learn-page .textalt>div{border-left:2px solid var(--gray-300);background:var(--bone);margin-top:10px;padding:14px 16px}.learn-page .textalt ol,.learn-page .textalt ul{margin:6px 0 0;padding-left:20px;display:block}.learn-page .textalt li{margin-top:4px;padding-left:0}.learn-page .textalt ul>li:before{display:none}.learn-page .textalt ul{list-style:outside}.learn-page .dg-legend{color:var(--fg-2);flex-wrap:wrap;gap:8px 18px;margin-bottom:16px;font-size:12.5px;display:flex}.learn-page .dg-legend span{align-items:center;gap:7px;display:inline-flex}.learn-page .dg-legend i{border:1.5px solid var(--teal);background:var(--bone);border-radius:3px;width:12px;height:12px}.learn-page .dg-legend i.c{border-color:var(--coral);background:var(--coral-wash)}.learn-page .dg-legend i.t{border-color:var(--teal);background:var(--teal-wash)}.learn-page .dg-legend i.n{border-color:var(--gray-300);background:var(--bone)}.learn-page .box{background:var(--bone);border:1.5px solid var(--gray-300);border-radius:var(--radius-md);color:var(--fg-2);min-width:0;padding:14px 14px 13px;font-size:14px;line-height:1.45}.learn-page .box .k{letter-spacing:.13em;text-transform:uppercase;color:var(--teal);font-size:11px;font-weight:600;display:block}.learn-page .box .h{color:var(--fg-1);margin-top:4px;font-size:15.5px;font-weight:600;line-height:1.3;display:block}.learn-page .box .s{margin-top:6px;display:block}.learn-page .box.teal{border-color:var(--teal);background:var(--teal-wash)}.learn-page .box.coral{border-color:var(--coral);background:var(--coral-wash)}.learn-page .box.coral .k{color:var(--coral-deep)}.learn-page .box.dash{border-style:dashed}.learn-page .chain{grid-template-columns:repeat(var(--n,5),minmax(0,1fr));gap:22px;margin:0;padding:0;list-style:none;display:grid}.learn-page .chain>li{padding:0;display:flex;position:relative}.learn-page .chain>li:before{display:none}.learn-page .chain>li>.box{flex:1}.learn-page .chain>li+li:after{content:"";border-top:2px solid var(--teal-soft);border-right:2px solid var(--teal-soft);width:12px;height:12px;position:absolute;top:50%;left:-17px;transform:translateY(-50%)rotate(45deg)}@media (width<=860px){.learn-page .chain{grid-template-columns:minmax(0,1fr);gap:20px}.learn-page .chain>li+li:after{top:-16px;left:50%;transform:translate(-50%)rotate(135deg)}}.learn-page .chain-note{color:var(--fg-2);margin-top:16px;font-size:13.5px}.learn-page .cycle{counter-reset:st;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.learn-page .cycle>li{counter-increment:st;padding:0}.learn-page .cycle>li:before{display:none}.learn-page .cycle .box{height:100%}.learn-page .cycle .box .k:before{content:counter(st) ". "}.learn-page .cycle .who{border-top:1px solid var(--gray-150);color:var(--teal);margin-top:8px;padding-top:8px;font-size:12.5px;display:block}.learn-page .loopback{border:1.5px dashed var(--teal-soft);border-radius:var(--radius-md);color:var(--fg-1);background:var(--bone);align-items:center;gap:10px;margin-top:16px;padding:10px 14px;font-size:13.5px;display:flex}.learn-page .loopback svg{flex:none;width:22px;height:22px}@media (width<=860px){.learn-page .cycle{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=520px){.learn-page .cycle{grid-template-columns:minmax(0,1fr)}}.learn-page .flow{flex-direction:column;align-items:stretch;gap:0;display:flex}.learn-page .flow .start{text-align:center;align-self:center;width:100%;max-width:420px}.learn-page .flow .down{background:var(--teal-soft);align-self:center;width:2px;height:26px;position:relative}.learn-page .flow .down:after{content:"";border-right:2px solid var(--teal-soft);border-bottom:2px solid var(--teal-soft);width:9px;height:9px;position:absolute;bottom:-1px;left:50%;transform:translate(-50%)rotate(45deg)}.learn-page .branches{grid-template-columns:repeat(var(--n,4),minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.learn-page .branches>li{flex-direction:column;gap:10px;padding:0;display:flex}.learn-page .branches>li:before{display:none}.learn-page .branches .cond{color:var(--teal);letter-spacing:.02em;font-size:12.5px;font-weight:600}.learn-page .branches .box{flex:1}@media (width<=860px){.learn-page .branches{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=520px){.learn-page .branches{grid-template-columns:minmax(0,1fr)}}.learn-page .layers{flex-direction:column;gap:0;display:flex}.learn-page .band{border-radius:var(--radius-md);border:1.5px solid var(--gray-300);background:var(--bone);padding:16px}.learn-page .band>.k{letter-spacing:.13em;text-transform:uppercase;color:var(--teal);margin-bottom:10px;font-size:11px;font-weight:600;display:block}.learn-page .band.teal{border-color:var(--teal);background:var(--teal-wash)}.learn-page .band.coral{border-color:var(--coral);background:var(--coral-wash)}.learn-page .band.coral>.k{color:var(--coral-deep)}.learn-page .band .row{grid-template-columns:repeat(var(--n,3),minmax(0,1fr));gap:10px;display:grid}.learn-page .band .row .box{padding:10px 12px;font-size:13.5px}.learn-page .band .row .box .h{margin-top:0;font-size:14.5px}@media (width<=860px){.learn-page .band .row{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=480px){.learn-page .band .row{grid-template-columns:minmax(0,1fr)}}.learn-page .link-v{color:var(--teal);text-align:center;justify-content:center;align-items:center;gap:10px;padding:8px 0;font-size:12.5px;font-weight:500;display:flex}.learn-page .link-v svg{flex:none;width:16px;height:30px}.learn-page .seq{counter-reset:sq;flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.learn-page .seq>li{counter-increment:sq;grid-template-columns:150px minmax(0,1fr);align-items:start;gap:14px;padding:0;display:grid}.learn-page .seq>li:before{display:none}.learn-page .seq .actor{color:var(--teal);padding-top:13px;font-size:12.5px;font-weight:600;line-height:1.35}.learn-page .seq .actor:before{content:counter(sq);background:var(--teal);width:22px;height:22px;color:var(--bone);vertical-align:middle;border-radius:50%;place-items:center;margin-right:8px;font-size:12px;display:inline-grid}@media (width<=620px){.learn-page .seq>li{grid-template-columns:minmax(0,1fr);gap:6px}.learn-page .seq .actor{padding-top:0}}.learn-page .split{grid-template-columns:repeat(var(--n,3),minmax(0,1fr));gap:14px;display:grid}@media (width<=860px){.learn-page .split{grid-template-columns:minmax(0,1fr)}}.learn-page .split .box ul{flex-direction:column;gap:6px;margin:8px 0 0;padding:0;font-size:13.5px;list-style:none;display:flex}.learn-page .split .box ul li{padding-left:14px;position:relative}.learn-page .split .box ul li:before{content:"";background:var(--teal-soft);border-radius:50%;width:5px;height:5px;position:absolute;top:.6em;left:0}.learn-page .split .box.coral ul li:before{background:var(--coral)}.learn-page .handoff-arrow{color:var(--teal);text-align:center;justify-content:center;align-items:center;gap:10px;margin:12px 0;font-size:12.5px;font-weight:500;display:flex}.learn-page .handoff-arrow:before,.learn-page .handoff-arrow:after{content:"";background:var(--teal-soft);flex:1;max-width:120px;height:1.5px}.learn-page .related{grid-template-columns:minmax(0,1fr);gap:10px;padding:0;list-style:none;display:grid}.learn-page .related>li{padding:0}.learn-page .related>li:before{display:none}.learn-page .related a{border:1px solid var(--gray-150);border-radius:var(--radius-md);color:var(--fg-1);background:var(--bone);transition:border-color var(--dur-1) var(--ease);padding:14px 16px;display:block}.learn-page .related a:hover{border-color:var(--coral);text-decoration:none}.learn-page .related .t{font-size:15.5px;font-weight:600;line-height:1.35;display:block}.learn-page .related .d{color:var(--fg-2);margin-top:4px;font-size:14px;line-height:1.5;display:block}.learn-page .sources{flex-direction:column;gap:14px;font-size:15px;line-height:1.6;list-style:none;display:flex;padding:0!important}.learn-page .sources>li{padding:0!important}.learn-page .sources>li:before{display:none}.learn-page .sources .st{color:var(--fg-2);margin-top:2px;font-size:13px;display:block}.learn-page .learn-shell{max-width:1040px;padding-top:48px;padding-bottom:96px}.learn-page .prose{max-width:none}.learn-page .control-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.learn-page .control-cards h3{margin-top:8px;font-size:19.5px}.learn-page .byline{color:var(--fg-2);margin-top:20px;font-size:14.5px}.learn-page .faq-list details{border-bottom:1px solid var(--gray-150);padding:18px 0}.learn-page .faq-list summary{cursor:pointer;color:var(--fg-1);font-weight:600}.learn-page .faq-list p{margin-top:12px}.learn-page .toc-mobile{border:1px solid var(--gray-150);border-radius:var(--radius-md);padding:18px 20px}.learn-page .toc-mobile ol{padding-left:24px}.learn-page .toc-mobile a{color:var(--coral-deep)}.learn-page .prose a{color:var(--coral-deep);text-underline-offset:3px;text-decoration:underline}.learn-page .prose h2{scroll-margin-top:96px}.learn-page .prose h3{color:var(--fg-1)}@media (width<=620px){.learn-page .control-cards{grid-template-columns:minmax(0,1fr)}}.learn-page .prose h2:not(.tk){text-wrap:wrap;max-width:none}.learn-page .prose>section{margin-top:64px;padding:0}.learn-page .prose>section>h2:first-child{margin-top:0}.learn-page .control-cards{margin-top:20px}.learn-page .keep-together{white-space:nowrap}.learn-page .table-caption{color:var(--fg-2);margin:0 0 12px;font-size:13.5px;line-height:1.5}.learn-page .table-scroll-hint{display:none}@media (width<=620px){.learn-page .table-scroll-hint{color:var(--fg-2);margin:0 0 12px;font-size:13.5px;line-height:1.5;display:block}}.clip{border:1px solid var(--gray-150);border-radius:var(--radius-lg);background:var(--bone);box-shadow:var(--shadow-sm);grid-template-columns:200px minmax(0,1fr);align-items:start;gap:22px;padding:18px;display:grid;margin-top:32px!important}.clip .media{aspect-ratio:9/16;border-radius:var(--radius-md);background:var(--fg-1);position:relative;overflow:hidden}.clip .media video,.clip .media iframe,.clip .media img{object-fit:cover;border:0;width:100%;height:100%}.clip .media button{all:unset;cursor:pointer;place-items:center;display:grid;position:absolute;inset:0}.clip .media button img{position:absolute;inset:0}.clip .media button .play{border-radius:var(--radius-full);background:var(--coral);color:var(--ink-on-coral);box-shadow:var(--shadow-md);align-items:center;gap:8px;padding:9px 14px;font-size:13.5px;font-weight:600;display:inline-flex;position:relative}.clip .media button:focus-visible .play{outline:2px solid var(--bone);outline-offset:3px}.clip .k{letter-spacing:.14em;text-transform:uppercase;color:var(--coral-deep);font-size:11.5px;font-weight:600}.clip h3{font-size:18px;margin-top:6px!important}.clip .who{color:var(--fg-2);margin-top:4px;font-size:14px}.clip .body{font-size:15px;line-height:1.6}.clip .body>*+*{margin-top:10px}.clip .body ul{gap:6px;font-size:14.5px}.clip .status{border-radius:var(--radius-full);align-items:center;gap:7px;margin-top:12px;padding:5px 11px;font-size:12.5px;font-weight:500;line-height:1.35;display:inline-flex}.clip .status.local{background:var(--coral-wash);color:var(--ink-on-coral);border:1px solid var(--coral-soft)}.clip .status.public{background:var(--teal-wash);color:var(--fg-1);border:1px solid var(--gray-150)}@media (width<=620px){.clip{grid-template-columns:minmax(0,1fr)}.clip .media{max-width:240px}}.learn-page .hero .wrap,.learn-page .learn-shell{max-width:1312px}.learn-page .hero-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);align-items:center;gap:48px;margin-top:26px;display:grid}.learn-page .hero-copy .kicker{margin-top:0}.learn-page .hero h1{max-width:none}.learn-page .hero .dek{max-width:60ch}.learn-page .hero-art{border:1px solid var(--gray-150);border-radius:var(--radius-xl);background:var(--bone);box-shadow:var(--shadow-sm);min-width:0;padding:28px}.learn-page .art-label,.learn-page .eyebrow,.learn-page .track-label,.learn-page .rail-label{letter-spacing:.13em;text-transform:uppercase;color:var(--teal);font-size:11.5px;font-weight:600;line-height:1.5;display:block}.learn-page .art-foot{color:var(--fg-2);margin-top:20px;font-size:12.5px;line-height:1.5}.learn-page .hero-art b{font-size:15.5px;font-weight:600;line-height:1.35}.learn-page .hero-art small{color:var(--fg-2);margin-top:4px;font-size:13.5px;line-height:1.5;display:block}.learn-page .art-orbit{align-items:center;margin-top:24px;display:flex}.learn-page .art-agent{border:1.5px solid var(--teal);background:var(--teal-wash);border-radius:50%;flex-shrink:0;place-items:center;width:64px;height:64px;font-size:14px;font-weight:600;display:grid}.learn-page .orbit-line{background:var(--teal-soft);flex-shrink:0;width:20px;height:1.5px}.learn-page .art-actions{border-left:1.5px solid var(--teal-soft);gap:16px;min-width:0;padding-left:16px;display:grid}.learn-page .art-action{border:1px solid var(--gray-150);border-radius:var(--radius-md);align-items:center;gap:10px;padding:12px;display:flex}.learn-page .art-action.gated{border-color:var(--coral-soft);background:var(--coral-wash)}.learn-page .art-icon{color:var(--teal);font-size:19.5px}.learn-page .art-record{background:var(--teal-wash);border-radius:var(--radius-md);align-items:center;gap:10px;margin-top:24px;padding:14px;font-size:13.5px;line-height:1.5;display:flex}.learn-page .record-mark{border:1.5px solid var(--teal);border-radius:2px;flex-shrink:0;width:14px;height:18px}.learn-page .supersession{border-bottom:1px solid var(--gray-150);justify-content:space-between;align-items:center;gap:16px;margin-top:24px;padding-bottom:20px;display:flex}.learn-page .supersession>span:first-child{color:var(--fg-2);font-size:14px;line-height:1.7}.learn-page .supersession>b{color:var(--teal);font-size:24px}.learn-page .art-arrow{color:var(--coral-deep);font-size:29px}.learn-page .scope-halves{grid-template-columns:1fr 1fr;gap:20px;margin-top:20px;display:grid}.learn-page .scope-halves b{margin-top:10px;display:block}.learn-page .mini-symbol{border:1.5px solid var(--teal);background:var(--teal-wash);border-radius:var(--radius-sm);width:32px;height:32px;color:var(--teal);flex-shrink:0;place-items:center;font-size:14px;font-weight:600;display:inline-grid}.learn-page .mini-symbol.coral{color:var(--coral-deep);border-color:var(--coral-soft);background:var(--coral-wash)}.learn-page .policy-node{background:var(--teal-wash);border:1.5px solid var(--teal);border-radius:var(--radius-md);align-items:center;gap:14px;margin-top:24px;padding:18px;display:flex}.learn-page .policy-link{color:var(--teal);flex-direction:column;align-items:center;margin:10px 0;font-size:13.5px;line-height:1.5;display:flex}.learn-page .policy-link>span{font-size:24px}.learn-page .request-path{justify-content:space-between;align-items:center;gap:6px;font-size:13.5px;display:flex}.learn-page .request-path>b{border:1.5px solid var(--coral-soft);background:var(--coral-wash);border-radius:var(--radius-md);padding:14px 10px;font-size:13.5px}.learn-page .path-arrow{color:var(--teal-soft)}.learn-page .learn-shell{grid-template-columns:232px minmax(0,1fr);align-items:start;gap:32px;display:grid}.learn-page .learn-shell>*{min-width:0}.learn-page .learn-rail{max-height:calc(100vh - 144px);padding-right:16px;position:sticky;top:112px;overflow:auto}.learn-page .learn-rail ol{border-left:1px solid var(--gray-150);margin:16px 0 0;padding:0;list-style:none}.learn-page .learn-rail a{color:var(--fg-2);border-left:2px solid #0000;margin-left:-1px;padding:8px 0 8px 14px;font-size:13.5px;line-height:1.4;text-decoration:none;display:block}.learn-page .learn-rail a.on{color:var(--coral-deep);border-color:var(--coral);font-weight:600}.learn-page .learn-rail a:hover{color:var(--teal);border-color:var(--gray-300)}.learn-page .learn-rail .rail-top{border:0;margin:24px 0 0;padding-left:0;font-size:12.5px}.learn-page .toc-mobile{display:none}.learn-page .prose>p,.learn-page .prose>ol:not([class]),.learn-page .prose>ul:not([class]),.learn-page .sources,.learn-page .prose>section>p{max-width:66ch}.learn-page .prose .fig,.learn-page .prose .clip{max-width:none}.learn-page .prose .diagram-heading h3{letter-spacing:-.02em;margin-top:8px;font-size:24px;line-height:1.3}.learn-page .diagram-heading p{color:var(--fg-2);margin-top:10px;font-size:14.5px;line-height:1.5}.learn-page .figure-number{color:var(--fg-1);font-weight:600}.learn-page .stop-ladder{gap:0;margin:24px 0 0;padding:0;list-style:none;display:grid}.learn-page .stop-ladder>li{border-bottom:1px solid var(--gray-150);grid-template-columns:32px minmax(0,1.2fr) minmax(0,1fr);align-items:start;gap:16px;padding:18px 0;display:grid}.learn-page .stop-ladder>li:last-child{border-bottom:0}.learn-page .stop-number{border:1.5px solid var(--coral-soft);width:32px;height:32px;color:var(--coral-deep);background:var(--coral-wash);border-radius:50%;place-items:center;font-size:13.5px;font-weight:600;display:grid;position:relative}.learn-page .stop-ladder>li:not(:last-child) .stop-number:after{content:"";background:var(--coral-soft);width:1px;height:calc(100% + 32px);position:absolute;top:32px}.learn-page .stop-main b{font-size:15.5px;line-height:1.4}.learn-page .stop-main p{color:var(--fg-2);margin-top:6px;font-size:14.5px;line-height:1.5}.learn-page .limit-tag{background:var(--bone);border:1px solid var(--gray-150);border-radius:var(--radius-sm);color:var(--fg-2);padding:10px 12px;font-size:13.5px;line-height:1.5}.learn-page .diagram-bottom{border-top:1px solid var(--gray-150);color:var(--fg-2);margin-top:20px;padding-top:16px;font-size:13.5px;line-height:1.5}.learn-page .authority-lanes{gap:20px;margin-top:24px;display:grid}.learn-page .authority-lane{border:1.5px solid var(--teal);border-radius:var(--radius-md);background:var(--teal-wash);padding:18px}.learn-page .coral-lane{border-color:var(--coral-soft);background:var(--coral-wash)}.learn-page .lane-title{align-items:center;gap:12px;display:flex}.learn-page .lane-title b{font-size:17px;display:block}.learn-page .lane-title small,.learn-page .lane-path small{color:var(--fg-2);margin-top:4px;font-size:13.5px;line-height:1.5;display:block}.learn-page .lane-path{grid-template-columns:1fr 20px 1fr 20px 1fr;align-items:center;gap:10px;margin-top:20px;display:grid}.learn-page .lane-path>div{background:var(--bone);border:1px solid var(--gray-150);border-radius:var(--radius-sm);height:100%;padding:12px}.learn-page .lane-path b{font-size:14.5px;line-height:1.4}.learn-page .lane-path>span{text-align:center;color:var(--teal-soft)}.learn-page .scope-root{text-align:center;border:1.5px solid var(--gray-300);border-radius:var(--radius-md);background:var(--bone);max-width:420px;margin:24px auto 0;padding:18px}.learn-page .scope-root b{font-size:15.5px;display:block}.learn-page .scope-root span{color:var(--fg-2);margin-top:4px;font-size:13.5px;display:block}.learn-page .fork-line{border-bottom:1.5px solid var(--teal-soft);width:50%;height:32px;margin:0 auto;position:relative}.learn-page .fork-line:before{content:"";border-left:1.5px solid var(--teal-soft);height:32px;position:absolute;left:50%}.learn-page .scope-paths{grid-template-columns:1fr 1fr;gap:24px;display:grid}.learn-page .path-step{text-align:center;color:var(--teal);padding:12px;font-size:13.5px;line-height:1.5;display:block}.learn-page .scope-result{border:1.5px solid var(--teal);border-radius:var(--radius-md);background:var(--teal-wash);height:calc(100% - 44px);padding:20px}.learn-page .agent-scope .scope-result{background:var(--coral-wash);border-color:var(--coral-soft)}.learn-page .scope-result b{margin-top:12px;font-size:17px;line-height:1.4;display:block}.learn-page .scope-result p,.learn-page .scope-converge p{color:var(--fg-2);margin-top:10px;font-size:14.5px;line-height:1.5}.learn-page .scope-converge{text-align:center;max-width:60ch;margin:20px auto 0}.learn-page .scope-converge>span{color:var(--teal-soft);font-size:24px;display:block}.learn-page .scope-converge>b{font-size:15.5px}.learn-page .layer-map{margin-top:24px}.learn-page .control-track{background:var(--teal-wash);border:1.5px solid var(--teal);border-radius:var(--radius-md);align-items:center;gap:12px;padding:18px;display:flex}.learn-page .control-track b{font-size:17px}.learn-page .control-track small,.learn-page .system-track small{color:var(--fg-2);margin-top:4px;font-size:13.5px;line-height:1.5;display:block}.learn-page .track-note{color:var(--teal);margin-left:auto;font-size:12.5px}.learn-page .policy-drop{text-align:center;color:var(--teal);margin:10px 0;font-size:13.5px;line-height:1.5}.learn-page .policy-drop>span{font-size:24px;display:block}.learn-page .system-track{grid-template-columns:1fr 20px 1fr 20px 1fr;align-items:center;gap:10px;display:grid}.learn-page .system-track>div{border:1.5px solid var(--gray-300);border-radius:var(--radius-md);background:var(--bone);height:100%;padding:16px}.learn-page .system-track .gateway-track{border-color:var(--coral-soft);background:var(--coral-wash)}.learn-page .system-track b{margin-top:10px;font-size:15.5px;line-height:1.4;display:block}.learn-page .track-arrow{color:var(--teal-soft);text-align:center;font-size:24px}.learn-page .record-return{border:1.5px dashed var(--teal-soft);border-radius:var(--radius-md);color:var(--teal);text-align:center;margin-top:16px;padding:12px;font-size:13.5px}.learn-page .bypass-path{border:1.5px dashed var(--coral-soft);border-radius:var(--radius-md);color:var(--fg-2);flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;padding:16px;font-size:13.5px;line-height:1.5;display:flex}.learn-page .bypass-label{color:var(--coral-deep);font-weight:600}.learn-page .bypass-path small{flex-basis:100%;font-size:12.5px;line-height:1.5}.learn-page .clip .body>*+*{margin-top:10px}.learn-page .clip .body .who{color:var(--fg-2);font-size:14px}.learn-page .clip .body h3{margin-top:8px;font-size:19.5px}.learn-page .clip .media{max-height:356px}@media (width<=1080px){.learn-page .learn-shell{grid-template-columns:minmax(0,1fr);gap:0}.learn-page .learn-rail{display:none}.learn-page .toc-mobile{display:block}.learn-page .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px}.learn-page .hero-art{padding:20px}.learn-page .art-orbit{flex-direction:column;align-items:stretch}.learn-page .art-agent{align-self:center}.learn-page .orbit-line{align-self:center;width:1px;height:16px}.learn-page .art-actions{border-left:0;padding-left:0}.learn-page .request-path{flex-wrap:wrap;justify-content:center}}@media (width<=860px){.learn-page .hero-grid{grid-template-columns:minmax(0,1fr)}.learn-page .hero-art{max-width:none}.learn-page .art-orbit{flex-direction:row;align-items:center}.learn-page .orbit-line{width:20px;height:1px}.learn-page .art-actions{border-left:1.5px solid var(--teal-soft);padding-left:16px}}@media (width<=620px){.learn-page .hero-grid{gap:24px}.learn-page .hero{padding-top:28px;padding-bottom:32px}.learn-page .hero-art{padding:20px}.learn-page .stop-ladder>li{grid-template-columns:32px minmax(0,1fr);gap:12px}.learn-page .limit-tag{grid-column:2}.learn-page .lane-path,.learn-page .system-track{grid-template-columns:minmax(0,1fr)}.learn-page .lane-path>span,.learn-page .track-arrow{height:20px;transform:rotate(90deg)}.learn-page .scope-paths{grid-template-columns:minmax(0,1fr);gap:16px}.learn-page .fork-line{border-bottom:0;border-left:1.5px solid var(--teal-soft);width:1px;height:20px}.learn-page .fork-line:before{display:none}.learn-page .scope-result{height:auto;padding:18px}.learn-page .track-note{display:none}.learn-page .clip .media{justify-self:center;width:100%;max-width:200px;max-height:none}.learn-page .prose .diagram-heading h3{font-size:19.5px}}.learn-page .reference-table{border:1px solid var(--gray-150);border-radius:var(--radius-md);background:var(--bone);padding:16px 20px}.learn-page .reference-table>summary{cursor:pointer;color:var(--teal);font-size:14.5px;font-weight:500}.learn-page .reference-table .table-block{margin-top:16px}.learn-page .context-video{border:1px solid var(--gray-150);border-left:3px solid var(--coral);border-radius:var(--radius-md);background:var(--bone);margin:32px 0;padding:24px}.learn-page .context-video h3{font-size:var(--text-xl);margin:8px 0}.learn-page .context-video p{margin:8px 0 16px}.learn-page .context-video summary{cursor:pointer;padding:8px 0;font-weight:600}.learn-page .context-video>a{margin-top:12px;display:inline-block}.learn-page .context-player{aspect-ratio:16/9;margin:12px 0;position:relative}.learn-page .context-player iframe{border-radius:var(--radius-md);border:0;width:100%;height:100%;position:absolute}.learn-page .hero{padding:36px 0 44px}.learn-page .hero-grid{margin-top:28px;display:block}.learn-page .hero h1{max-width:none;margin-top:0}.learn-page .hero .dek{max-width:78ch;margin:20px auto 0}.learn-page .hero .meta{margin-top:24px}.learn-page .clip .body,.learn-page .context-video{position:relative}.learn-page .clip .media button,.learn-page .context-player button{all:unset;cursor:pointer;display:block;position:absolute;inset:0}.learn-page .clip .media button img,.learn-page .context-player button img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.learn-page .clip .media button .play,.learn-page .context-player button .play{border:1px solid var(--gray-150);border-radius:var(--radius-full);background:var(--bone);color:var(--fg-1);box-shadow:var(--shadow-sm);align-items:center;gap:8px;padding:8px 12px;font-size:13.5px;font-weight:600;display:inline-flex;position:absolute;bottom:12px;left:12px}.learn-page .clip .media button:focus-visible .play,.learn-page .context-player button:focus-visible .play{outline:2px solid var(--coral);outline-offset:3px}.learn-page .context-player{border-radius:var(--radius-md);background:var(--gray-50);overflow:hidden}.learn-page .video-alt{color:var(--fg-2);padding:6px;font-size:18px;line-height:1;text-decoration:none;position:absolute;top:0;right:0}.learn-page .context-video .video-alt{margin:0;top:16px;right:16px}.learn-page .clip .body h3{padding-right:24px}@media (width<=620px){.learn-page .hero{padding:28px 0 32px}.learn-page .hero-copy{text-align:left}.learn-page .hero .dek{margin-left:0}.learn-page .hero-grid{margin-top:24px}}.learn-page .hero-copy{text-align:left;max-width:none;margin-inline:0}.learn-page .hero h1{text-wrap:balance;max-width:1100px}.learn-page .hero .dek{text-wrap:pretty;max-width:78ch;margin-left:0}