/* Neutral atlas: shared geometry, topic-specific informational color. */
.portal-hero{min-height:0;background:linear-gradient(105deg,#eaf5ff,#f4f0ff 60%,#eafaf7)}.portal-hero h1{font-size:clamp(2.2rem,4vw,3.6rem)}.topic-strip{display:flex;gap:9px;overflow-x:auto;padding:15px 0 20px}.topic-strip a{white-space:nowrap;padding:10px 16px;border:1px solid #d4e4f2;background:#fff;border-radius:10px;font-size:14px;font-weight:650}.topic-strip .season-pill{background:#e8f6ef;color:#28604f}.portal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:30px}.portal-grid .panel{margin:0;min-width:0}.portal-grid .panel-head h2{font-size:19px;line-height:1.25;margin:10px 0}.topic-tag{font-size:12px;color:#496f91;text-decoration:underline;text-underline-offset:3px}.portal-grid .visual{min-height:180px;display:flex;flex-direction:column;justify-content:center}.portal-grid .datum{font-size:12px;line-height:1.5}.portal-grid .answer{font-size:14px;line-height:1.55;min-height:0}.atlas-bars{display:grid;gap:15px;margin:12px 0}.atlas-bars>div>span{display:block;font-size:13px;margin-bottom:5px}.bar-track{background:#edf2f7;border-radius:7px;overflow:hidden}.bar-track>b{display:flex;justify-content:flex-end;align-items:center;min-height:34px;padding:5px 8px;white-space:nowrap;color:#fff;font-size:13px;box-sizing:border-box}.portal-numbers{display:flex;gap:22px;justify-content:space-around;margin:18px 0}.portal-numbers>div{display:flex;flex-direction:column}.portal-numbers b{font-size:27px;color:var(--ink)}.portal-numbers span{font-size:12px}.hour-dots{display:grid;grid-template-columns:repeat(8,1fr);gap:9px;margin:16px 0}.hour-dots i{aspect-ratio:1;border-radius:50%;background:#e6edf5}.hour-dots .sleep{background:#b44d68}.week-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.week-strip>span{text-align:center;padding:9px 2px;background:#eee7fa;border-radius:5px;font-size:12px}.week-strip b{display:block;font-size:9px;margin-top:4px}.week-strip>span:last-child{background:#edf1f6}.season-matrix{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;font-size:13px;align-items:center}.season-matrix>*{padding:9px 5px;text-align:center;border-radius:6px}.warm{background:#ffe5bb;color:#815219}.cold{background:#dceeff;color:#26577b}.season-door{background:#e9f4ef;border:1px solid #cfe3d8;padding:22px;border-radius:14px;grid-column:span 3}.season-door h2{font-size:25px;margin:10px 0}.season-door p{max-width:65ch}.season-door a{font-weight:700;text-decoration:underline;text-underline-offset:4px}.season-clues{display:flex;gap:35px;margin:18px 0}.season-clues span{display:flex;align-items:center;gap:10px;font-size:13px}.season-clues b{font-size:32px;color:#397b63}.topic-grid{margin-top:22px;grid-template-columns:repeat(2,minmax(0,1fr))}.portal-article{max-width:850px}.portal-article h1{font-size:clamp(2rem,3.5vw,3.1rem);line-height:1.15;margin:15px 0}.portal-article h2{font-size:24px;margin:30px 0 12px}.portal-article p{max-width:72ch;font-size:16px;line-height:1.8}.portal-figure{background:#fff;border:1px solid #dce6f0;border-radius:16px;padding:25px;margin:25px 0;max-width:650px}.portal-figure figcaption{font-size:13px;line-height:1.6;color:#526b82;margin-top:15px}.portal-figure .diagram{max-height:230px}.portal-related{border-top:1px solid #d7e5ef;margin-top:35px;padding-top:20px}.portal-related a{display:block;margin:14px 0;text-decoration:underline;text-underline-offset:4px}.portal-related h2{font-size:24px}.side>a{font-size:13px!important}.card-link a{line-height:1.5}.portal-grid .card-link{margin-top:auto}.portal-grid .atlas-card{display:flex;flex-direction:column}.portal-figure .hour-dots{max-width:400px}.portal-figure .week-strip{max-width:450px}
@media(max-width:1100px){.portal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.season-door{grid-column:span 2}}
@media(max-width:620px){.portal-grid{grid-template-columns:1fr}.season-door{grid-column:auto}.season-clues{gap:15px;flex-wrap:wrap}.season-clues span{font-size:12px}.portal-figure{margin:20px 0;padding:16px}.portal-article h1{font-size:2rem}.portal-article p{font-size:16px}.portal-grid .visual{min-height:165px}.topic-strip{gap:7px}.topic-strip a{padding:9px 13px}}
.portal-grid .legend{font-size:12px;line-height:1.5}.portal-grid .card-link a{font-size:13px}.portal-grid .visual{min-height:160px}.portal-grid .panel-head{min-height:50px}.portal-grid .datum{margin:8px 0 14px}