.atlas-landing-chart{background:#172f42;color:#f5f1e9;padding:21px clamp(18px,2.6vw,33px) 18px;border-radius:5px;box-shadow:5px 5px 0 #e7e0d4}.alc-head,.alc-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px}.alc-head{border-bottom:1px solid #586c79;padding-bottom:9px;letter-spacing:.08em}.alc-head span:first-child{color:#f5c7a1;font-weight:700}.atlas-landing-chart h2{font-size:clamp(18px,2.05vw,27px);line-height:1.55;color:white;margin:12px 0 3px}.hero .atlas-landing-chart p{color:#e1e5e7;font-size:14px}.alc-foot{border-top:1px solid #526773;padding-top:11px}.alc-foot a{font-size:14px;font-weight:700;color:#f7cfad}.atlas-thumb{display:block;width:100%;height:auto;margin:14px 0}.thumb-axis{fill:#d0dce3;font-size:11px;font-family:var(--sans)}.thumb-grid{stroke:#4c626f;stroke-width:.65}.thumb-area{fill:#698897;opacity:.19}.thumb-line{fill:none;stroke:#e1c6a3;stroke-width:2.2;stroke-linejoin:round}.thumb-dot{fill:#f3d4ad;stroke:#172f42;stroke-width:1.4}.thumb-val{fill:white;font-family:var(--sans);font-size:13px;font-weight:700;pointer-events:none}.atlas-thumb a:hover .thumb-dot,.atlas-thumb a:focus .thumb-dot{fill:white;stroke:#fff;stroke-width:3}.chart-door{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:12px 0 25px;padding:18px 22px;background:#eaf0f0;border-left:3px solid #416880}.chart-door h3{font-size:20px;margin:3px 0}.chart-door p{font-size:14px;color:var(--muted)}.chart-door .button{flex:none}.episode-nav{border-top:1px solid var(--rule);margin:22px 0 18px}.episode-nav h2{font-size:16px;margin:13px 0 7px}.episode-nav ol{list-style:none;margin:0;padding:0;display:flex;gap:10px;flex-wrap:wrap}.episode-nav a{display:flex;gap:8px;align-items:center;border:1px solid var(--rule);background:var(--white);padding:5px 12px;font-size:14px}.episode-nav b{color:var(--rust);font:italic 18px Georgia,serif}.ep:target{border-color:#a35a3d;border-left:4px solid #a35a3d}.ep-body dt{display:flex;align-items:flex-start;gap:8px}.ep-body dt:before{content:"";width:8px;height:8px;flex:none;margin-top:.60em;background:#3d6074;border-radius:50%}.ep-body div:nth-child(2) dt:before{background:#a95638;border-radius:0}.ep-body div:nth-child(3) dt:before{background:transparent;border:1.7px solid var(--blue);border-radius:0;transform:rotate(45deg)}.curve-jump,.phase-read a{font-weight:650;color:#254b60;text-decoration:underline;text-decoration-color:#939e9f;text-underline-offset:3px}.curve-jump:focus-visible{outline:2px solid var(--rust)}.way-compare{margin:14px 0 18px;font-size:14px}.card-swatch{display:inline-block;width:21px;height:3px;background:var(--rust);vertical-align:middle;margin-right:7px}.top nav{gap:clamp(10px,1.4vw,22px)}.top nav a{white-space:nowrap}.top .wrap{gap:8px}.hero h1{letter-spacing:0}.curve-intro{padding:22px 0 14px}.curve-intro .eyebrow{margin-top:9px}.curve-intro h1{margin:3px 0 2px;font-size:clamp(28px,3.4vw,45px);line-height:1.4}.curve-intro .lead{font-size:15px;max-width:63em}.curve-notes{margin:25px 0 40px}.curve-notes summary{cursor:pointer;color:var(--blue);font-weight:650}.curve-notes p{font-size:14px;color:var(--muted);margin:8px 0}.curve-notes .source{margin-top:12px}.loop .loop-row{position:relative}.loop .loop-row:not(:last-child):after{content:"";position:absolute;left:24px;top:72px;bottom:-10px;width:1px;background:#cdbdaf}.loop .loop-n{background:var(--paper);position:relative;z-index:1}.curve-section-link{margin:13px 0}
@media(max-width:800px){.top nav{flex-wrap:wrap;gap:3px 16px}.episode-nav ol{gap:6px}.chart-door{align-items:flex-start}.top .wrap{padding-top:9px;padding-bottom:8px}.atlas-landing-chart h2{font-size:20px}}
@media(max-width:620px){.top nav{column-gap:12px;row-gap:0}.top nav a{font-size:12px}.chart-door{display:block;padding:16px}.chart-door .button{margin-top:12px}.alc-foot{font-size:11px}.episode-nav a{font-size:12px;padding:5px 7px}.episode-nav ol{display:grid;grid-template-columns:1fr 1fr}.curve-intro{padding-top:15px}.hero{padding-top:26px}.loop .loop-row:not(:last-child):after{left:18px;top:61px}}

/* The three premises read in source order, apart from the numbered practice stages. */
.premise{margin:0 0 clamp(24px,4vw,45px);padding:clamp(18px,3vw,32px);background:var(--white);border-block:1px solid var(--rule)}
.premise h2{margin:.1em 0 .35em;font:600 clamp(23px,3vw,34px)/1.5 var(--serif);color:var(--ink)}
.premise-lead{max-width:62em;margin:.4em 0 1.1em;font-size:1rem;line-height:1.85;color:var(--ink)}
.premise-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;list-style:none;margin:1rem 0;padding:0}
.premise-steps>li{min-width:0;padding:6px clamp(12px,1.7vw,22px);border-inline-start:1px solid var(--rule)}
.premise-steps>li:first-child{padding-inline-start:0;border-inline-start:0}
.premise-steps small{display:block;color:var(--rust);font-size:.83rem;font-weight:700}
.premise-steps h3{margin:.3em 0;font:600 clamp(18px,1.9vw,23px)/1.55 var(--serif);color:var(--ink)}
.premise-steps p,.premise-example{font-size:.95rem;line-height:1.8}
.premise-steps p,.premise-example p{margin:0}
.premise-example{margin:1.1rem 0 0;padding:.7rem 1rem;border-inline-start:3px solid var(--blue);background:#edf2f1;color:var(--ink)}
@media(max-width:720px){.premise-steps{grid-template-columns:1fr}.premise-steps>li,.premise-steps>li:first-child{padding:.7rem 0;border-inline-start:0}.premise-steps>li+li{border-top:1px solid var(--rule)}}

.context-reference{margin:1rem 0;padding:1rem 0;border-block:1px solid var(--rule)}
.context-reference h3{margin:.3rem 0;font-size:clamp(18px,2vw,23px)}
.context-reference p{max-width:62em;margin:0 0 .55rem;line-height:1.8}
.top nav{max-width:100%;flex-wrap:wrap}
@media(min-width:901px) and (max-width:1120px){.top .wrap{flex-wrap:wrap;padding-block:10px}}