.brain-journey{background:linear-gradient(150deg,#fbfdff,#edf6f8 70%,#f4faf9);border-block:1px solid #dce8ed;height:370svh;position:relative}.atlas-intro{justify-content:space-between;align-items:flex-end;gap:36px;padding-top:82px;padding-bottom:44px;display:flex}.atlas-intro>div{max-width:700px}.atlas-intro .eyebrow{margin-bottom:15px}.atlas-intro h2{letter-spacing:-.045em;color:#122c45;margin:0 0 18px;font-size:clamp(2rem,3.35vw,3.15rem);font-weight:500;line-height:1.18}.atlas-intro p:not(.eyebrow){color:#536c80;max-width:610px;margin:0;font-size:.9rem;line-height:1.85}.atlas-intro>a{flex-shrink:0;font-size:.8rem}.atlas-sticky{padding:20px 0 25px;position:sticky;top:86px}.atlas-stage{background:0 0;border:0;border-radius:0;width:100%;padding:0;position:relative;overflow:visible}.atlas-stage-top{color:#345c75;border-bottom:0;justify-content:space-between;align-items:center;gap:15px;padding:12px 0;font-size:.7rem;display:flex}.atlas-stage-top>span{align-items:center;gap:8px;display:flex}.atlas-education{color:#536e7e;font-size:.64rem}.atlas-education>span{background:#15948c;border-radius:50%;flex-shrink:0;width:5px;height:5px}.atlas-main{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);width:min(100%,1540px);margin-inline:auto;display:grid}.atlas-visual{background:radial-gradient(at 50% 47%,#dcecf370 0%,#e9f5f650 45%,#0000 72%);min-width:0;position:relative}.atlas-watermark{color:#728f9c;letter-spacing:.19em;z-index:1;pointer-events:none;font-size:.65rem;font-weight:500;position:absolute;top:28px;left:30px}.atlas-orientation{pointer-events:none;color:#8397a2;z-index:1;font-size:.6rem;position:absolute;inset:60px 25px 84px}.atlas-orientation span:first-child{position:absolute;top:45%;right:0}.atlas-orientation span:nth-child(2){position:absolute;top:45%;left:0}.atlas-orientation span:nth-child(3){position:absolute;top:0;left:50%}.atlas-scene{width:100%;height:clamp(430px,56svh,640px);position:relative}.atlas-canvas{touch-action:pan-y;cursor:grab;width:100%;height:100%;display:block;position:absolute;inset:0}.atlas-canvas[hidden]{display:none}.atlas-canvas:active{cursor:grabbing}.atlas-canvas:focus-visible{outline-offset:-6px;border-radius:12px;outline:2px solid #1662d3}.atlas-orbit{pointer-events:none;aspect-ratio:1;border:1px solid #c7dce575;border-radius:50%;width:66%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.atlas-orbit-b{opacity:.6;border-style:dashed;width:82%}.atlas-static-image,.atlas-placeholder img{object-fit:contain;width:100%;height:100%;display:block;position:absolute;inset:0}.atlas-scene-status{color:#365d76;text-align:center;background:#fffffff2;border:1px solid #d3e4ec;border-radius:12px;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;padding:10px 14px;font-size:.68rem;display:flex;position:absolute;bottom:16px;left:8%;right:8%}.atlas-scene-status p{flex-basis:100%;margin:3px 0 0;font-size:.68rem;line-height:1.65}.atlas-scene-status button{color:#1662d3;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;gap:6px;min-height:44px;font-size:.7rem;display:flex}.atlas-mesh-label{z-index:2;border:1px solid var(--region-color);color:#274961;cursor:pointer;background:#ffffffeb;border-radius:100px;align-items:center;gap:7px;min-height:44px;padding:7px 12px;font-size:.68rem;display:flex;position:absolute;transform:translate(-50%,-50%)}.atlas-mesh-label[hidden]{display:none}.atlas-mesh-label>span{background:var(--region-color);border-radius:50%;width:5px;height:5px}.atlas-view-controls{justify-content:center;align-items:center;gap:2px;margin:-2px auto 16px;display:flex;position:relative}.atlas-view-controls button{color:#536e82;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;place-items:center;min-width:44px;min-height:44px;padding:8px 13px;font-size:.7rem;display:grid}.atlas-view-controls button[aria-pressed=true]{color:#1662d3;background:#fff;border-color:#d3e3ec}.atlas-detail{border-left:0;flex-direction:column;justify-content:center;min-width:0;padding:35px max(35px,50vw - 640px) 25px 20px;display:flex}.atlas-phase{text-transform:uppercase;letter-spacing:.09em;color:#577383;align-items:center;gap:9px;margin-bottom:25px;font-size:.64rem;display:flex}.atlas-phase>span{display:flex}.atlas-location{color:#5b788b;margin:0 0 10px;font-size:.7rem;line-height:1.8}.atlas-detail h3{letter-spacing:-.035em;color:#17374d;max-width:390px;margin:0 0 18px;font-size:clamp(1.5rem,2.2vw,2.2rem);font-weight:500;line-height:1.25}.atlas-description{color:#526b7e;margin:0;font-size:.85rem;line-height:1.9}.atlas-context{border-top:1px solid #dfe9ee;margin:22px 0 0;padding:22px 0 0}.atlas-context>span{letter-spacing:.13em;color:#287b80;align-items:center;gap:7px;font-size:.6rem;font-weight:600;display:flex}.atlas-context>span:before{content:"";background:#31a8a0;border-radius:50%;width:4px;height:4px}.atlas-context p{color:#526e80;margin:9px 0 0;font-size:.75rem;line-height:1.9}.atlas-chapter-nav{align-items:center;gap:16px;margin-top:20px;display:flex}.atlas-chapter-nav button{color:#375f79;cursor:pointer;background:0 0;border:1px solid #d4e1e9;border-radius:50%;place-items:center;min-width:44px;min-height:44px;display:grid}.atlas-chapter-nav button:disabled{opacity:.35;cursor:default}.atlas-chapter-dots{align-items:center;gap:6px;display:flex}.atlas-chapter-dots i{background:#c0d1da;border-radius:100px;width:4px;height:4px}.atlas-chapter-dots i[data-active=true]{background:#187db1;width:18px}.atlas-region-rail{background:0 0;border-top:0;flex-wrap:wrap;gap:4px;padding:14px 0;display:flex}.atlas-region-rail button{color:#4a6679;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;flex:auto;justify-content:center;align-items:center;gap:7px;min-height:44px;padding:10px 11px;font-size:.7rem;line-height:1.5;display:flex}.atlas-region-rail button[aria-pressed=true]{color:#145e8c;background:#fff;border-color:#c3dbe8}.atlas-region-rail button:hover,.atlas-view-controls button:hover,.atlas-chapter-nav button:hover:not(:disabled){color:#145e8c;background:#eaf2f7}.atlas-region-dot{background:var(--region-color);border-radius:50%;flex-shrink:0;width:7px;height:7px;display:inline-block}.atlas-bottom{color:#557386;border-top:0;justify-content:space-between;align-items:center;gap:14px;padding:8px 0;font-size:.64rem;display:flex}.atlas-bottom>span{align-items:center;gap:7px;line-height:1.7;display:flex}.atlas-bottom>div{flex-shrink:0;align-items:center;gap:7px;display:flex}.atlas-bottom button{color:#537489;cursor:pointer;background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;gap:6px;min-width:44px;min-height:44px;padding:6px 10px;font-size:.65rem;display:flex}.atlas-bottom button[aria-pressed=true]{color:#16717d}.atlas-progress{background:#e0ebf080;height:2px;margin-top:8px}.atlas-progress>span{transform-origin:0;background:linear-gradient(90deg,#277ed0,#36b6a6);width:100%;height:100%;display:block}.atlas-caption{color:#59758a;justify-content:space-between;gap:25px;padding-top:14px;font-size:.62rem;line-height:1.8;display:flex}.atlas-caption p{margin:0}.atlas-caption a{flex-shrink:0;align-items:center;gap:4px;display:flex}.atlas-page-intro{padding-top:54px;padding-bottom:0}.atlas-back{color:#4d6b82;align-items:center;gap:8px;min-height:44px;margin-bottom:26px;font-size:.75rem;display:inline-flex}.atlas-page-intro h1{letter-spacing:-.05em;color:#17374d;max-width:900px;margin:0 0 22px;font-size:clamp(2.3rem,4.7vw,4.5rem);font-weight:500;line-height:1.15}.atlas-page-intro>p{color:#536f85;max-width:650px;margin:0 0 40px;font-size:.95rem;line-height:1.9}.atlas-evidence{padding:90px 0}.atlas-evidence h2,.atlas-region-guide h2{letter-spacing:-.04em;color:#17374d;font-size:clamp(1.8rem,3vw,2.8rem);font-weight:500;line-height:1.25}.atlas-evidence-intro>p{color:#5b7486;font-size:.9rem;line-height:1.85}.atlas-evidence-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:42px;margin:45px 0 55px;display:grid}.atlas-evidence-grid article{border-top:1px solid #ccdee7;padding-top:24px}.atlas-evidence-grid span{letter-spacing:.12em;color:#287b80;font-size:.6rem;font-weight:600}.atlas-evidence-grid h3{color:#17374d;margin:16px 0;font-size:1.15rem;font-weight:500;line-height:1.4}.atlas-evidence-grid p,.atlas-boundaries p{color:#567185;font-size:.8rem;line-height:1.95}.atlas-boundaries{background:#f2f8fa;border:1px solid #dbe7ed;border-radius:16px;padding:30px}.atlas-boundaries h3{color:#17374d;margin:0 0 12px;font-size:1.2rem;font-weight:500}.atlas-boundaries p{max-width:900px;margin:0}.atlas-references{color:#476c84;flex-wrap:wrap;align-items:center;gap:22px;margin:24px 0 40px;font-size:.7rem;display:flex}.atlas-references a{text-underline-offset:4px;text-decoration:underline}.atlas-region-guide{background:#f8fbfc;border-block:1px solid #e1eaf0;padding:70px 0}.atlas-region-guide-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;margin:40px 0 0;display:grid}.atlas-region-guide h3{color:#17374d;align-items:center;gap:9px;margin:0 0 10px;font-size:1rem;font-weight:500;display:flex}.atlas-region-guide p{color:#526f82;margin:0;font-size:.8rem;line-height:1.9}@media (prefers-reduced-motion:no-preference){.atlas-detail-content{animation:.35s ease-out atlas-copy-in}@keyframes atlas-copy-in{0%{opacity:.5;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}}@media (min-width:901px) and (min-height:761px) and (max-height:900px){.atlas-scene{height:42svh;min-height:330px}.atlas-detail{padding-top:24px;padding-bottom:20px}.atlas-phase{margin-bottom:14px}.atlas-detail h3{margin-bottom:12px;font-size:1.7rem}.atlas-description{font-size:.78rem}.atlas-context{margin-top:14px;padding-top:14px}.atlas-context p{font-size:.7rem}.atlas-chapter-nav{margin-top:12px}.atlas-stage-top{padding-block:15px}.atlas-region-rail{padding-block:10px}.atlas-bottom{padding-block:2px}}@media (max-width:1100px){.atlas-region-rail{padding:10px 0}.atlas-region-rail button{padding-inline:7px;font-size:.66rem}.atlas-detail{padding-inline:24px}}@media (max-width:900px),(max-height:760px),(prefers-reduced-motion:reduce){.brain-journey{height:auto;padding-bottom:25px}.atlas-sticky{position:relative;top:auto}.atlas-scene{height:440px}.atlas-caption{font-size:.68rem}}@media (max-width:900px){.atlas-intro{flex-direction:column;align-items:flex-start;gap:22px;padding-top:55px;padding-bottom:20px}.atlas-main{grid-template-columns:1fr}.atlas-detail{border-top:0;border-left:0;padding:24px max(20px,50vw - 310px)}.atlas-phase{margin-bottom:18px}.atlas-detail h3{max-width:none;margin-bottom:12px;font-size:1.65rem}.atlas-description{font-size:.8rem}.atlas-context{margin-top:18px;padding-top:16px}.atlas-context p{font-size:.74rem}.atlas-chapter-nav{margin-top:16px}.atlas-chapter-dots{flex:1;justify-content:center}.atlas-scene{height:360px}.atlas-view-controls{margin-bottom:14px}.atlas-stage-top{flex-direction:column;align-items:flex-start;gap:8px;padding:17px 0}.atlas-stage-top>span{font-size:.68rem}.atlas-watermark{font-size:.6rem;top:22px;left:22px}.atlas-region-rail{grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;padding:12px 0;display:grid}.atlas-region-rail button{flex-wrap:wrap;padding:8px 5px;font-size:.68rem}.atlas-region-rail button:first-child,.atlas-region-rail button:nth-child(2){grid-column:span 2}.atlas-bottom{padding:8px 0;font-size:.66rem}.atlas-caption{flex-direction:column;gap:9px}.atlas-evidence{padding:55px 0}.atlas-evidence-grid{grid-template-columns:1fr;gap:28px;margin:32px 0}.atlas-boundaries{padding:24px}.atlas-references{flex-direction:column;align-items:flex-start;gap:16px}.atlas-region-guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.atlas-page-intro{padding-top:35px}}@media (max-width:380px){.atlas-scene{height:310px}.atlas-region-rail{grid-template-columns:repeat(3,minmax(0,1fr))}.atlas-region-rail button:first-child,.atlas-region-rail button:nth-child(2){grid-column:span 3}.atlas-region-guide-grid{grid-template-columns:1fr}.atlas-detail{padding:21px 20px}.atlas-caption p{overflow-wrap:anywhere}}.atlas-region-rail button{overflow-wrap:anywhere;min-width:0}.atlas-page-intro h1,.atlas-intro h2,.atlas-detail h3{overflow-wrap:anywhere}.atlas-visual{isolation:isolate}.atlas-watermark{top:20px;left:clamp(22px,5.5vw,85px)}.atlas-detail-content{max-width:420px}.atlas-description,.atlas-context p{max-width:410px}.atlas-scene-status{left:15%;right:15%}@media (max-width:900px){.atlas-main{width:100%}.atlas-detail-content,.atlas-description,.atlas-context p{max-width:none}.atlas-watermark{left:20px}}.atlas-skip{color:#537489;align-items:center;gap:5px;min-height:44px;padding:6px 10px;font-size:.65rem;line-height:1.7;display:inline-flex}.atlas-skip:hover{color:#1662d3}.atlas-after{height:0;scroll-margin-top:86px}@media (max-width:900px){.atlas-bottom{flex-direction:column;align-items:flex-start;gap:4px}.atlas-bottom>div{justify-content:space-between;width:100%}}