:root{--ink:#102e3d;--ink-2:#214656;--paper:#f4f7f3;--white:#fbfcfa;--line:#bed1ce;--slate:#59717a;--teal:#08716e;--teal-pale:#d6ede5;--orange:#db7247;--purple:#7560a6;--blue:#407d9f;--mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.5}.shell{max-width:1320px;margin:auto;padding:0 42px}.quiet-nav{height:80px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{color:inherit;text-decoration:none;font:700 18px Georgia,serif;letter-spacing:-.04em}.back-link{min-height:44px;display:inline-flex;align-items:center;color:inherit;font-size:14px;font-weight:700;text-decoration:none}.back-link:hover{text-decoration:underline}.hero{padding:78px 0 58px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) 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23px!important;color:var(--slate)!important;font-size:14px!important}.route-nav{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;padding-top:35px}.route-link{min-height:68px;display:flex;flex-direction:column;justify-content:center;padding:12px 15px;border:1px solid var(--ink);color:var(--ink);text-decoration:none;font-size:14px;font-weight:700;transition:background-color .16s ease,color .16s ease}.route-link:hover{background:var(--ink);color:var(--white)}.route-link span{display:block;margin-bottom:4px;color:var(--slate);font:700 9px/1.1 var(--mono);letter-spacing:.075em;text-transform:uppercase}.route-link:hover span{color:#bbd7d1}.route-link--random{border-color:var(--teal);color:var(--teal)}.route-link--random:hover{background:var(--teal);color:white}@media(max-width:800px){.shell{padding:0 20px}.quiet-nav{height:66px}.hero{grid-template-columns:1fr;gap:27px;padding:54px 0 42px}.hero h1{font-size:clamp(44px,12vw,58px);line-height:.9}.lede{font-size:19px}.catalog-note{max-width:450px}.catalog{padding:35px 0 56px}.catalog-head{display:block;margin-bottom:15px}.catalog-head p{margin-top:8px}.bias-grid{grid-template-columns:1fr}.bias-card,.bias-card:nth-child(odd),.bias-card:nth-child(even){min-height:0;padding:20px 0;border-left:0}.bias-card h3{font-size:31px}.bias-card p{font-size:15px}.footer{padding:21px 0 26px;display:block;line-height:1.6}.article{padding:43px 0 55px}.article h1{font-size:clamp(43px,11vw,57px)}.article-dek{font-size:19px}.article h2{font-size:30px}.article p{font-size:17px}.mechanism{grid-template-columns:1fr;gap:8px}.route-nav{grid-template-columns:1fr}.route-link{min-height:58px}.route-link:nth-child(2){order:3}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.bias-card__arrow,.route-link{transition:none}}

/* Catalogue revision: the index is an information-dense list, not a grid of promotional tiles. */
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/* Finished catalogue links and a deliberate, even reading rhythm on narrow screens. */
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@media(prefers-reduced-motion:reduce){.bias-row{transition:none}.bias-row:hover .bias-row__arrow{transform:none}}