.river-feature{--river-rule:var(--field-line,var(--line));--river-inset:clamp(18px,2.8vw,38px);padding:var(--field-chapter,72px) var(--field-content-gutter,6%) var(--field-section-gap,40px);background:#fff;color:var(--forest)}.river-feature-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:var(--field-section-gap,32px)}.river-feature-heading h2{margin:0;font:400 clamp(46px,6.5vw,96px)/.96 var(--font-serif),Georgia,serif;letter-spacing:-.025em;text-wrap:balance}.river-feature-heading p{max-width:42ch;margin:13px 0 0;color:var(--ink);font-size:15px;line-height:1.55}.river-feature-all,.river-feature-open{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;font-size:14px;font-weight:650}.river-feature-all{flex:none;border-bottom:1px solid}.river-feature-all:hover{color:var(--field-action-hover,#151a17)}.river-feature-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--river-rule);border-bottom:0}.river-feature-tabs button{display:flex;align-items:baseline;gap:clamp(6px,1.25vw,18px);min-width:0;min-height:70px;padding:11px clamp(10px,1.7vw,24px);color:var(--forest);text-align:left;border-radius:var(--radius-control,0);box-shadow:inset 0 -1px var(--river-rule)}.river-feature-tabs button+button{border-left:1px solid var(--river-rule)}.river-feature-tabs button:hover{background:var(--paper)}.river-feature-tabs button[aria-selected=true]{color:var(--paper);background:var(--forest);box-shadow:inset 0 -3px var(--lime)}.river-feature-number{flex:none;font-size:11px;font-variant-numeric:tabular-nums}.river-feature-tabs strong{display:block;font:400 clamp(24px,2.8vw,38px)/1 var(--font-serif),Georgia,serif}.river-feature-tabs small{display:block;margin-top:5px;font-size:12px}.river-feature-panel{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);border:1px solid var(--river-rule);border-top:0;border-radius:var(--radius-panel,0)}.river-feature-photo{display:grid;grid-template-rows:1fr auto;min-width:0;margin:0}.river-feature-image{position:relative;min-height:clamp(340px,34vw,530px);background:var(--paper)}.river-feature-image img{-o-object-fit:cover;object-fit:cover}.river-feature-photo figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 14px;padding:10px 14px;color:var(--ink);font-size:12px;line-height:1.45}.river-feature-photo a,.river-story-reading-source{text-decoration:underline;text-underline-offset:2px}.river-feature-details{display:flex;flex-direction:column;gap:clamp(14px,1.6vw,23px);padding:var(--river-inset);border-left:1px solid var(--river-rule);background:var(--paper)}.river-feature-details header p{margin:0;font-size:14px;line-height:1.55;color:var(--ink)}.river-feature-details .river-feature-place{font-size:12px}.river-feature-details h3{margin:5px 0 8px;font:400 clamp(35px,3.5vw,57px)/.98 var(--font-serif),Georgia,serif;letter-spacing:-.025em}.river-feature-course{display:grid;grid-template-columns:minmax(84px,37%) minmax(0,1fr);gap:14px;align-items:center;padding-block:10px;border-block:1px solid var(--river-rule)}.river-feature-course .directory-trace{display:block;width:100%;height:88px;background:#fff;color:var(--forest)}.river-feature-course .directory-trace-casing path{stroke:var(--line);stroke-width:4}.river-feature-course .directory-trace-line path{stroke:currentColor;stroke-width:2}.river-feature-course strong{display:block;margin-bottom:3px;font-size:13px;font-weight:700}.river-feature-course span{display:block;color:var(--ink);font-size:12px;line-height:1.5}.river-story-reading{display:grid;gap:3px;min-height:71px;align-content:start}.river-story-reading-label{font-size:12px;font-weight:700}.river-story-reading-value{font-size:14px;font-variant-numeric:tabular-nums}.river-story-reading-value strong{font-size:24px;line-height:1}.river-story-reading-meta{display:flex;flex-wrap:wrap;-moz-column-gap:9px;column-gap:9px;margin:0;color:var(--ink);font-size:12px;line-height:1.45}.river-story-reading-stale{font-weight:700}.river-feature-open{min-height:48px;margin-top:auto;padding:11px 14px;background:var(--forest);color:var(--paper)}.river-feature-open:is(:hover,:focus-visible){background:var(--field-action-hover,#151a17)}.river-feature :is(button,a,[role=tabpanel]):focus-visible{outline:2px solid var(--forest);outline-offset:3px}.river-feature-open:focus-visible,.river-feature-tabs button[aria-selected=true]:focus-visible{outline:2px solid var(--lime);outline-offset:-5px}@media (prefers-reduced-motion:no-preference){.river-feature .action-arrow{transition:transform .18s ease}.river-feature :is(.river-feature-open,.river-feature-all):is(:hover,:focus-visible) .action-arrow{transform:translateX(4px)}}@media (max-width:760px){.river-feature-heading{display:grid;justify-items:start;gap:8px}.river-feature-heading h2{text-wrap:wrap}.river-feature-tabs button{flex-direction:column;gap:3px}.river-feature-tabs strong{font-size:clamp(22px,4.2vw,30px)}.river-feature-tabs small{font-size:10px}.river-feature-panel{grid-template-columns:minmax(0,1fr)}.river-feature-image{min-height:0;aspect-ratio:4/3}.river-feature-details{border-top:1px solid var(--river-rule);border-left:0}}