.system-atlas{--art-blue:#a2c7db;--art-line:#7192a5;--art-gold:#e1c88f;max-width:1120px}.atlas-heading{padding:12px 0 18px}.system-atlas .atlas-eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:2px;color:#b0c8da;margin-bottom:20px}.system-atlas .atlas-heading h2{font-size:clamp(38px,5vw,66px);letter-spacing:-2.5px;font-weight:420;line-height:1.05}.system-atlas .atlas-heading>p:last-child{max-width:760px;font-size:19px;line-height:1.65;color:#bacbdd}
.atlas-story{border:1px solid #38516b;border-radius:22px;padding:28px 30px 0;background:radial-gradient(ellipse at 85% 20%,#243c502e,transparent 62%),linear-gradient(135deg,#15273c,#0d1a2d);box-shadow:0 20px 65px #0002;overflow:clip}.atlas-story-top{scroll-margin-top:24px;border-radius:6px}.atlas-position{display:flex;gap:14px;font-size:14px;line-height:1.6;color:#e0cd99}.atlas-position>span{color:#b8cadb}.atlas-progress{display:flex;gap:6px;margin:18px 0 32px}.atlas-progress>span{height:3px;flex:1;background:#33475d;border-radius:3px}.atlas-progress .is-read{background:#d8c391}.atlas-story-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px;align-items:center;min-height:414px}.atlas-story-copy h2{font-size:clamp(29px,3.1vw,43px);line-height:1.13;font-weight:450;letter-spacing:-1px;max-width:480px;margin-bottom:24px}.atlas-story-copy>p{font-size:19px;line-height:1.75;color:#d0dce9;max-width:510px}.atlas-picture{margin:0;min-width:0}.system-illustration{width:100%;height:auto;display:block;overflow:visible}.atlas-picture-labels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;text-align:center;margin:6px 0 20px}.atlas-picture-labels span{font-size:13px;line-height:1.5;color:#d0dce8;padding-top:10px;border-top:1px solid #577182}.atlas-picture figcaption{font-size:14px;line-height:1.6;color:#aabed1;padding:14px 18px;border-left:2px solid #7e9cac;background:#0c1b2c8a;border-radius:0 7px 7px 0}.atlas-location{display:flex;justify-content:center;gap:7px;flex-wrap:wrap;margin:28px 0 21px}.atlas-location>span{padding:6px 10px;border:1px solid #344c63;border-radius:20px;font-size:12px;color:#a4b8c9;line-height:1.5}.atlas-location>span[aria-current=step]{border-color:var(--layer-colour);color:var(--layer-colour);background:#2c415866}.atlas-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid #344c63;position:sticky;bottom:0;background:#122238;z-index:2}.atlas-nav button{min-height:48px;min-width:98px;font-size:16px;border:1px solid #62738a;border-radius:8px;background:transparent;color:#dfd7b7;padding:12px 22px}.atlas-nav button:last-child{background:#e7ce98;color:#172030;border-color:#e7ce98}.atlas-nav button:disabled{opacity:.3;cursor:default}.atlas-nav>span{color:#a7bacd;font-size:13px}.atlas-deeper{display:flex;gap:13px 20px;flex-wrap:wrap;align-items:center;padding:22px 0;border-top:1px solid #344c63}.atlas-deeper>span{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:#92abc3}.atlas-deeper>a{font-size:14px;color:#c6daec;text-decoration:underline;text-underline-offset:4px;line-height:1.5;min-height:36px;display:flex;align-items:center;gap:8px}.atlas-story-top:focus-visible{outline:2px solid #e7ce98;outline-offset:8px}
.atlas-section-heading{margin:70px 0 27px;max-width:770px}.atlas-section-heading>span,.atlas-pattern>div>span{font-size:12px;text-transform:uppercase;letter-spacing:1.5px;color:#a4bfd3}.atlas-section-heading h2,.atlas-pattern h2{font-size:clamp(29px,3.3vw,42px);letter-spacing:-1px;font-weight:450;line-height:1.2;margin:15px 0}.atlas-section-heading>p{font-size:18px;line-height:1.7;color:#b8cadb}.atlas-map-key{display:flex;flex-wrap:wrap;gap:16px 30px;margin:0 0 27px;color:#9fb6ca;font-size:13px}.atlas-map-key>span{display:flex;align-items:center;gap:9px}.key-zoom{width:16px;height:16px;border:1px dashed #aac7d4;border-radius:50%;display:inline-block}.key-arrow{font-style:normal;font-size:23px;line-height:1;color:#d6c7a3}.system-atlas .system-row{grid-template-columns:minmax(0,1fr) minmax(210px,.39fr);gap:30px}.system-atlas .system-layer-button{position:relative;border-left:2px solid var(--layer-colour);border-radius:14px;display:grid;grid-template-columns:190px minmax(0,1fr);gap:12px;min-height:201px;padding:18px 35px 18px 8px;background:linear-gradient(110deg,#152a3d,#102033);transition:background .2s,border-color .2s}.system-atlas .system-layer-button:hover,.system-atlas .system-layer-button[aria-expanded=true]{background:#1b3045}.system-atlas .layer-art{min-width:0}.system-atlas .system-layer-copy{display:block}.system-atlas .system-layer-copy small{font-size:11px;line-height:1.6;text-transform:uppercase;letter-spacing:.7px}.system-atlas .system-layer-copy strong{font-size:29px;line-height:1.22;margin:7px 0}.system-atlas .system-layer-copy>span{font-size:15px;line-height:1.6;display:block;color:#bbcddd}.system-atlas .system-layer-button>b{position:absolute;right:16px;top:16px;font-size:21px}.system-atlas .system-branches:before{left:-30px;width:30px}.system-atlas .system-branches a{border-radius:10px;padding:14px 17px}.system-atlas .system-branches strong{font-size:16px}.system-atlas .system-branches a>span{font-size:13px}.system-atlas .system-bridge{min-height:67px;padding-left:98px}.system-atlas .system-bridge>span{font-size:26px}.system-atlas .system-detail{max-width:calc(100% / 1.39 - 22px);background:#112335}.atlas-scale-note{font-size:15px;line-height:1.75;color:#b3c8d9;border-left:2px solid #748d9c;padding:10px 0 10px 20px;max-width:900px;margin:8px 0}
.atlas-loops{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}.atlas-loop{padding:23px;border:1px solid #3f566d;border-radius:14px;background:linear-gradient(155deg,#16283b,#102033);min-width:0;display:flex;flex-direction:column}.atlas-loop-kind{font-size:12px;letter-spacing:.4px;color:var(--loop-colour)}.atlas-loop h3{font-size:24px;line-height:1.25;letter-spacing:-.5px;font-weight:450;margin:13px 0 22px;min-height:60px}.atlas-loop>p:not(.atlas-loop-kind){font-size:15px;line-height:1.75;color:#bacddd;margin:24px 0}.atlas-loop>a{margin-top:auto;color:var(--loop-colour);font-size:14px;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid #3c5264;padding-top:12px}.atlas-loop-stops{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:25px 23px;padding:0;margin:0}.atlas-loop-stops li{position:relative;min-width:0;border:1px solid #566575;border-radius:9px;min-height:105px;padding:12px 10px;background:#0d1c2e;font-size:13px;line-height:1.5;color:#d6e1eb}.atlas-loop-stops li>span{display:block;color:var(--loop-colour);font-size:11px;margin-bottom:7px}.atlas-loop-stops li>b{position:absolute;font-size:22px;font-weight:400;color:var(--loop-colour);line-height:1}.atlas-loop-stops li:nth-child(1)>b{right:-19px;top:45%}.atlas-loop-stops li:nth-child(2)>b{bottom:-24px;left:44%}.atlas-loop-stops li:nth-child(3){grid-column:2;grid-row:2}.atlas-loop-stops li:nth-child(3)>b{left:-19px;top:45%}.atlas-loop-stops li:nth-child(4){grid-column:1;grid-row:2}.atlas-loop-stops li:nth-child(4)>b{top:-24px;left:44%}
.atlas-pattern{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:center;margin:75px 0 48px;padding:35px 30px;border:1px solid #3c5269;border-radius:15px;background:radial-gradient(ellipse at 8% 50%,#22474988,transparent 46%),#112034}.atlas-pattern>div>p{font-size:17px;line-height:1.75;color:#bbcddd;margin:18px 0}.atlas-pattern a{color:#b7dbc8;font-size:15px;display:inline-block;padding:12px 0;text-decoration:underline;text-underline-offset:4px}.atlas-pattern-art{display:grid;grid-template-columns:repeat(5,1fr);gap:17px;padding:15px;transform:rotate(-12deg)}.atlas-pattern-art i{width:16px;height:16px;border-radius:50%;background:#b7d5bd;box-shadow:0 0 22px #9fc4af44;opacity:calc(.35 + var(--shade) * .3)}.system-atlas .atlas-reality{font-size:16px;line-height:1.75;color:#afc5d7;max-width:930px;margin:28px 0 5px}.atlas-sources{margin:34px 0 0;border-top:1px solid #3b526b;padding-top:16px}.atlas-sources summary{min-height:48px;cursor:pointer;font-size:15px;line-height:1.6;padding:10px 0;color:#b9cbdc}.atlas-sources>p{max-width:920px;font-size:15px;line-height:1.75;color:#a9bfd2;margin:15px 0}.atlas-sources>a{display:block;padding:10px 0;color:#b6d1e8;text-decoration:underline;text-underline-offset:4px;font-size:14px;line-height:1.5}
@media(max-width:1000px){.atlas-story-layout{gap:18px;grid-template-columns:1fr 1.15fr}.atlas-story-copy>p{font-size:17px}.atlas-loops{grid-template-columns:1fr}.atlas-loop{display:grid;grid-template-columns:1fr 1fr;gap:0 35px}.atlas-loop-kind,.atlas-loop h3{grid-column:1}.atlas-loop h3{min-height:0}.atlas-loop-stops{grid-column:2;grid-row:1 / span 4}.atlas-loop>p:not(.atlas-loop-kind){margin:5px 0 18px}.system-atlas .system-row{grid-template-columns:minmax(0,1fr) 210px;gap:20px}.system-atlas .system-layer-button{grid-template-columns:140px 1fr}.system-atlas .system-layer-copy strong{font-size:25px}.system-atlas .system-branches:before{left:-20px;width:20px}.system-atlas .system-detail{max-width:calc(100% - 230px)}}
@media(max-width:750px){.atlas-heading{padding-bottom:5px}.system-atlas .atlas-heading h2{font-size:43px;letter-spacing:-1.6px}.system-atlas .atlas-heading>p:last-child{font-size:17px}.atlas-story{padding:20px 20px 0;border-radius:16px}.atlas-story-layout{grid-template-columns:1fr;gap:8px;min-height:0}.atlas-progress{margin-bottom:26px}.atlas-story-copy h2{font-size:32px;letter-spacing:-.9px;margin-bottom:18px}.atlas-story-copy>p{font-size:18px;line-height:1.75;max-width:none}.atlas-picture{max-width:560px;width:100%;margin:0 auto}.atlas-picture-labels{gap:8px;margin-top:-3px}.atlas-picture-labels span{font-size:12px}.atlas-picture figcaption{font-size:14px}.atlas-location{gap:5px;margin:23px 0 18px}.atlas-location>span{font-size:11px;padding:5px 8px}.atlas-nav>span{display:none}.atlas-nav button{min-width:98px}.atlas-position{font-size:13px;gap:8px;flex-wrap:wrap}.atlas-deeper{gap:8px 15px;padding:16px 0}.atlas-deeper>span{width:100%}.atlas-section-heading{margin-top:55px}.atlas-section-heading h2{font-size:32px}.atlas-section-heading>p{font-size:17px}.system-atlas .system-row{grid-template-columns:1fr;gap:12px}.system-atlas .system-layer-button{grid-template-columns:138px minmax(0,1fr);min-height:175px;padding:15px 30px 15px 2px;gap:8px}.system-atlas .system-layer-copy strong{font-size:25px}.system-atlas .system-layer-copy small{font-size:10px}.system-atlas .system-layer-copy>span{font-size:14px}.system-atlas .system-branches{margin-left:36px;display:grid;grid-template-columns:1fr}.system-atlas .system-branches:before{left:-18px;width:18px}.system-atlas .system-detail{max-width:100%}.system-atlas .system-bridge{padding-left:58px;min-height:60px}.atlas-pattern{grid-template-columns:1fr;gap:20px;padding:28px 23px;margin-top:55px}.atlas-pattern-art{width:210px;gap:16px;margin:0 auto 10px}.atlas-pattern h2{font-size:31px}.atlas-map-key{font-size:12px;gap:10px}.atlas-loop{padding:22px;display:flex;gap:0}.atlas-loop h3{font-size:25px;min-height:0}.atlas-loop>p:not(.atlas-loop-kind){margin:22px 0}.atlas-loop-stops li{min-height:93px;font-size:14px}.atlas-loop-stops{gap:26px 28px}.atlas-loop-stops li:nth-child(1)>b{right:-23px}.atlas-loop-stops li:nth-child(3)>b{left:-23px}}
@media(max-width:390px){.atlas-story{padding:17px 15px 0}.atlas-story-copy h2{font-size:28px}.atlas-story-copy>p{font-size:17px}.system-atlas .atlas-heading h2{font-size:37px}.system-atlas .system-layer-button{grid-template-columns:103px minmax(0,1fr);min-height:168px}.system-atlas .system-layer-copy strong{font-size:22px}.system-atlas .system-layer-copy>span{font-size:13px}.atlas-picture-labels{gap:5px}.atlas-picture-labels span{font-size:11px}.atlas-nav button{min-width:90px}.atlas-loop{padding:18px}.atlas-loop h3{font-size:23px}}
@media(prefers-reduced-motion:reduce){.system-atlas .system-layer-button{transition:none}}

/* The whole card stays visible while the reader reaches its navigation. */
.atlas-nav{position:static}.atlas-scene-art{position:relative}.atlas-diagram-labels>span{position:absolute;transform:translate(-50%,-50%);max-width:130px;text-align:center;font-size:12px;line-height:1.4;color:#e3d3ac;background:#142639ed;padding:3px 7px;border-radius:5px;white-space:normal}.system-atlas .system-bridge>span{position:relative;color:var(--layer-colour);width:18px;text-align:center;font-size:26px}.system-atlas .system-bridge>span:before,.system-atlas .system-bridge>span:after{content:'';position:absolute;width:1px;height:14px;left:50%;background:#637d8c}.system-atlas .system-bridge>span:before{bottom:80%}.system-atlas .system-bridge>span:after{top:85%}.learn-page:has(.system-atlas) .learn-heading h1{font-size:32px;letter-spacing:-1px}.system-atlas .atlas-eyebrow{margin-bottom:12px;font-size:11px}.system-atlas .atlas-heading{margin:0 0 20px;padding:0}.system-atlas .atlas-heading h2{font-size:clamp(37px,4.5vw,58px)}.learn-page:has(.system-atlas) .learn-home-mode{margin-bottom:25px}.atlas-picture .system-illustration{max-height:310px}
@media(max-width:750px){.atlas-picture .system-illustration{max-height:none}.atlas-diagram-labels>span{font-size:11px;max-width:94px;padding:2px 4px}.system-atlas .atlas-heading h2{font-size:40px}.atlas-diagram-labels>span[style*="top:93%"],.atlas-diagram-labels>span[style*="top:94%"]{min-width:115px}.system-atlas .atlas-eyebrow{line-height:1.7}}
@media(max-width:390px){.system-atlas .atlas-heading h2{font-size:36px}.atlas-diagram-labels>span{font-size:10px;max-width:85px}}

.atlas-scene-art{max-width:490px;margin:0 auto}.atlas-picture .system-illustration{max-height:none}

.atlas-scene-art[data-scene-art=feedback],.atlas-scene-art[data-scene-art=rules]{margin-bottom:18px}
@media(max-width:390px){.atlas-diagram-labels>span{font-size:11px}}