/* Learning Atlas only. Shared experiment styles and calculation views are unchanged. */
.learning-atlas{background:radial-gradient(ellipse at 85% 3%,#21557780,transparent 30%),radial-gradient(ellipse at 0 22%,#123a4e70,transparent 35%),#071827}
.learning-atlas .wrap{max-width:1420px;width:92vw}
.learning-atlas .top{background:#0c2439e8;gap:24px}
.learning-atlas .top nav{flex-wrap:wrap;justify-content:flex-end;gap:15px 22px}
.learning-atlas h1,.learning-atlas h2,.learning-atlas h3{font-weight:500}
.atlas-hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:45px;padding:28px 0 34px}
.atlas-hero h1{font-size:clamp(42px,4.9vw,72px);line-height:1.04;letter-spacing:-.045em;margin:13px 0 24px}
.atlas-lead{color:#b9cfdf;font-size:19px;max-width:680px;line-height:1.7;margin:0}
.atlas-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:28px;font-size:14px}
.atlas-primary{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#9ae8df;color:#0a2b37!important;padding:12px 18px;border-radius:8px;font-weight:650}
.atlas-workflow{background:linear-gradient(130deg,#21466088,#0d253a88);border:1px solid #45647b;border-radius:22px;overflow:hidden;display:block;box-shadow:0 16px 60px #00101d40}
.atlas-workflow svg{width:100%;height:auto;display:block}
.workflow-caption{display:flex;justify-content:space-between;gap:16px;padding:16px 22px;color:#b9d6e6;font-size:13px;border-top:1px solid #34526c}
.atlas-workflow:hover{border-color:#9ae8df;text-decoration:none;background:#183c53}
.atlas-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid #35546d;border-bottom:1px solid #35546d;margin:18px 0 0;padding:24px 0}
.atlas-stats p{margin:0;padding:0 28px;border-right:1px solid #35546d;display:flex;align-items:baseline;gap:15px}
.atlas-stats p:first-child{padding-left:0}.atlas-stats p:last-child{border-right:0}
.atlas-stats strong{font-size:37px;line-height:1;font-weight:450;color:#a9eee5;font-variant-numeric:tabular-nums}
.atlas-stats span{font-size:12px;color:#a9c0d2;max-width:110px;line-height:1.5}
.atlas-jump{display:flex;gap:24px;flex-wrap:wrap;margin:22px 0;font-size:13px}
.atlas-jump a{color:#a8c6da}
.atlas-section{margin:64px 0;scroll-margin-top:24px}
.atlas-section-head{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:24px}
.atlas-section-head h2{font-size:clamp(26px,2.6vw,37px);letter-spacing:-.035em;line-height:1.2;margin:0}
.atlas-section-head .eyebrow{margin:0 0 10px}
.atlas-section-head>p{color:#9fb9cd;font-size:14px;max-width:440px;margin:0;line-height:1.65}
.atlas-topics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.atlas-topic{min-width:0;position:relative;border:1px solid #35546b;border-radius:13px;background:linear-gradient(135deg,#17384e88,#10263a99);padding:21px;display:flex;flex-direction:column;gap:13px;overflow:hidden}
.atlas-topic:before{content:'';width:70px;height:70px;position:absolute;right:-18px;top:-18px;border:1px solid var(--topic-colour,#86dccc);border-radius:50%;opacity:.3;box-shadow:0 0 0 13px #65b9ca09,0 0 0 26px #65b9ca07;pointer-events:none}
.atlas-topic .topic-index{color:var(--topic-colour,#86dccc);font-size:11px;letter-spacing:.14em}
.atlas-topic h3{font-size:18px;line-height:1.35;max-width:230px;margin:0}
.atlas-topic h3 a{color:#e2eef7}
.atlas-topic p{font-size:12px;color:#9db9cc;margin:0}
.topic-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:auto;font-size:12px}
.topic-actions button{padding:5px 9px;border-radius:6px;background:transparent;color:#9fe2df;border:1px solid #43677d;font-size:12px}
.topic-actions a{color:#9ebed1}
.atlas-feature{border:1px solid #477587;border-radius:18px;background:radial-gradient(ellipse at 65% 50%,#1d4e5d88,transparent 55%),linear-gradient(115deg,#143a4a,#112a42);padding:30px 34px;display:grid;grid-template-columns:1.2fr 1fr;gap:18px 50px;align-items:center}
.atlas-feature .eyebrow{font-size:11px;margin-top:0}.atlas-feature h2{font-size:34px;line-height:1.1;margin:0 0 16px;letter-spacing:-.035em}.atlas-feature p:not(.eyebrow){font-size:14px;color:#b2cfdd;line-height:1.65;margin:0;max-width:600px}
.feature-chain{display:flex;gap:12px;align-items:center;justify-content:center;padding:15px 0}
.feature-chain span{padding:18px 16px;border:1px solid #628d9d;border-radius:10px;background:#0e3044;color:#d5f3f1;font-size:14px;text-align:center}
.feature-chain b{color:#81d9d0;font-size:24px;font-weight:400}
.atlas-feature>a{grid-column:1/-1;border-top:1px solid #426b7c;padding-top:18px;font-size:14px;display:flex;justify-content:space-between}
.atlas-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.atlas-path{border:1px solid #35536b;background:#10283ccc;border-radius:14px;padding:24px;min-width:0}
.atlas-path>p{font-size:13px;line-height:1.65;color:#a6c1d4;margin:10px 0 18px}
.atlas-path h3{font-size:21px;margin:6px 0;line-height:1.3}
.atlas-path .path-number{font-size:11px;color:#85c9d4;letter-spacing:.15em}
.atlas-path ol{counter-reset:path;margin:0;padding:0;list-style:none}
.atlas-path li{position:relative;padding:0 0 13px 30px;counter-increment:path}
.atlas-path li:before{content:counter(path);position:absolute;left:0;top:2px;width:18px;height:18px;font-size:10px;display:grid;place-items:center;border:1px solid #558296;border-radius:50%;background:#16384e;color:#a9e6df;z-index:1}
.atlas-path li:not(:last-child):after{content:'';position:absolute;top:20px;left:9px;bottom:0;border-left:1px solid #355d74}
.atlas-path li:last-child{padding-bottom:0}
.atlas-path li a{color:#c5dfed;font-size:13px;line-height:1.5}
.atlas-path li a:hover{color:#94e8dc}
.atlas-path .path-unavailable{font-size:12px;color:#d6bb97}
.atlas-filters{display:grid;grid-template-columns:1.5fr 1fr .85fr auto;align-items:end;gap:14px;padding:22px;background:#112b40;border:1px solid #42627a;border-radius:14px}
.atlas-filters label{display:flex;flex-direction:column;gap:8px;font-size:12px;color:#b2cddd;min-width:0}
.atlas-filters input,.atlas-filters select{font:14px/1.5 Lab,'Segoe UI',sans-serif;min-height:43px;border:1px solid #4c6d84;background:#0b2033;color:#e2f0f7;border-radius:6px;padding:10px 12px;width:100%;min-width:0}
.atlas-filters input::placeholder{color:#8daec3}.atlas-filters button{min-height:43px;font-size:13px;white-space:nowrap;padding:10px 13px}
.atlas-results-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:20px 0 8px}
.atlas-results-head p{font-size:14px;color:#b4d1e1;margin:0;font-variant-numeric:tabular-nums}
.atlas-results-head button{font-size:12px;padding:7px 11px}
.atlas-status-key{font-size:12px;color:#8caabe;line-height:1.65;margin:0 0 23px;max-width:1000px}
.atlas-catalogue{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;align-items:start}
.atlas-module{border:1px solid #35536c;border-radius:13px;padding:23px;background:linear-gradient(135deg,#17384c88,#0e263b);min-width:0;display:flex;flex-direction:column}
.atlas-module[data-status=planned]{border-style:dashed;background:#1d2b3888}
.module-labels{display:flex;align-items:start;justify-content:space-between;gap:12px;margin:0 0 14px}
.module-labels .module-topic{font-size:10px;color:#84cdd1;letter-spacing:.05em;text-transform:uppercase;line-height:1.5}
.module-availability{font-size:10px;line-height:1.4;color:#a8bfd3;border:1px solid #435e73;border-radius:20px;padding:3px 7px;white-space:nowrap}
.module-availability.planned{color:#f0c48e;border-color:#8c6b43}
.atlas-module h3{font-size:21px;line-height:1.3;letter-spacing:-.02em;margin:0 0 12px}
.atlas-module h3 a{color:#e2f1fa}
.atlas-module>p{font-size:13px;line-height:1.65;color:#acc6d8;margin:0 0 14px}
.module-features{display:flex;gap:7px;flex-wrap:wrap;margin:2px 0 18px;padding:0;list-style:none}
.module-features li{font-size:10px;color:#afcddd;background:#203e52;border-radius:5px;padding:4px 7px;line-height:1.4}
.module-open{display:flex;justify-content:space-between;align-items:center;font-size:13px;border-top:1px solid #34536a;padding-top:13px;color:#95e1d8!important}
.atlas-module .module-licence{font-size:12px;color:#d5bc9b;background:#8b663019;border-left:2px solid #b98e58;padding:10px 12px;margin:0;line-height:1.6}
.module-chapters{margin:16px 0 0;border-top:1px solid #34536a;padding-top:13px}
.module-chapters summary{font-size:12px;color:#a6c5d8;cursor:pointer;line-height:1.5}
.module-chapters ol{padding:0 0 0 18px;margin:12px 0 0;font-size:12px;color:#7a9fb9}
.module-chapters li{padding:4px 0}.module-chapters a{color:#bdd8e7;font-size:12px;line-height:1.5}.module-chapters a[data-match=true]{color:#a1f1e3;text-decoration:underline;text-decoration-color:#669f9b;text-underline-offset:3px}
.atlas-empty{border:1px solid #4d6a7e;border-radius:12px;background:#122d40;padding:24px;color:#bdd2df;margin-top:20px}.atlas-empty nav{display:flex;flex-wrap:wrap;gap:14px 22px;margin:20px 0}
.atlas-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:70px 0 30px}
.atlas-next>a{border-top:1px solid #47718a;border-bottom:1px solid #47718a;padding:24px 0;color:#e2eef5}.atlas-next>a:hover{text-decoration:none}.atlas-next h2{font-size:24px;margin:9px 0 12px;display:flex;justify-content:space-between;gap:20px}.atlas-next p{font-size:14px;color:#a8c3d6;line-height:1.65;margin:0}
.learning-atlas [hidden]{display:none!important}
@media(max-width:1120px){.atlas-hero{gap:26px}.atlas-topics{grid-template-columns:repeat(2,minmax(0,1fr))}.atlas-paths,.atlas-catalogue{grid-template-columns:repeat(2,minmax(0,1fr))}.atlas-stats p{padding:0 15px}.atlas-filters{grid-template-columns:1.5fr 1fr}.atlas-filters button{justify-self:start}.atlas-feature{gap:20px}.feature-chain{gap:8px}.feature-chain span{padding:15px 10px;font-size:12px}}
@media(max-width:760px){.learning-atlas .top{align-items:start}.learning-atlas .top nav{justify-content:start;font-size:12px;gap:12px 20px}.atlas-hero{grid-template-columns:1fr;padding-top:10px;gap:25px}.atlas-workflow{max-width:570px;width:100%}.atlas-hero h1{font-size:47px}.atlas-lead{font-size:17px}.atlas-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;padding:22px 0}.atlas-stats p{padding:0;border:0}.atlas-stats strong{font-size:32px}.atlas-jump{gap:12px 18px;font-size:12px}.atlas-section{margin:45px 0}.atlas-section-head{align-items:start;flex-direction:column;gap:15px}.atlas-section-head>p{max-width:100%}.atlas-feature{grid-template-columns:1fr;padding:24px}.atlas-feature h2{font-size:31px}.feature-chain{justify-content:start}.feature-chain span{font-size:14px;padding:17px}.atlas-filters{grid-template-columns:1fr 1fr;padding:17px}.atlas-search{grid-column:1/-1}.atlas-filters button{grid-column:1/-1;min-height:38px}.atlas-paths,.atlas-catalogue{grid-template-columns:1fr}.atlas-topic{padding:17px}.atlas-topic h3{font-size:17px}.atlas-next{grid-template-columns:1fr;margin-top:45px}.atlas-results-head{align-items:start;gap:12px}.atlas-results-head p{font-size:12px}.atlas-results-head button{font-size:11px;flex-shrink:0}.atlas-topic .topic-actions{gap:10px}.atlas-actions{gap:18px}}
@media(max-width:400px){.atlas-topics{grid-template-columns:1fr}.atlas-hero h1{font-size:39px}.atlas-filters{grid-template-columns:1fr}.atlas-filters label,.atlas-filters button{grid-column:auto}.feature-chain span{font-size:12px;padding:14px 9px}.atlas-results-head{flex-direction:column}.atlas-stats strong{font-size:28px}.atlas-stats p{gap:10px}.atlas-topic h3{max-width:none}.atlas-topic{gap:9px}}
@media(prefers-reduced-motion:reduce){.learning-atlas{scroll-behavior:auto}}