.skip-link{clip-path:inset(50%)}
.skip-link:focus{clip-path:none}
.area-switch{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.area-switch button{min-height:48px;min-width:105px;border:1px solid var(--line);background:transparent;color:var(--ink);padding:10px 24px;font-size:12px;border-radius:2px}
.area-switch button[aria-pressed=true]{background:var(--brand-purple);border-color:var(--brand-purple);color:var(--brand-yellow)}
.science .area-switch button[aria-pressed=true]{background:var(--brand-yellow);border-color:var(--brand-yellow);color:#1a1225}
.comparison-toolbar{flex-wrap:wrap;gap:10px}
.toggle button{min-height:44px}
.photo-grid{gap:2px}
.photo-frame{height:auto;aspect-ratio:3/4;overflow:hidden}
.photo-frame>img{object-fit:contain}
.photo-label,.wipe-tag{text-transform:uppercase}
#photo-a,#wipe-a{filter:url(#photo-color-a)}
#photo-b,#wipe-b{filter:url(#photo-color-b)}
.photo-filters{position:absolute;pointer-events:none}
.wipe{width:100%;max-width:620px;height:auto;aspect-ratio:3/4;margin:0 auto;overflow:hidden;touch-action:pan-y;user-select:none;cursor:ew-resize}
.wipe:focus-visible{outline:3px solid var(--brand-purple-light);outline-offset:5px}
.science .wipe:focus-visible{outline-color:var(--brand-yellow)}
.wipe img{pointer-events:none;-webkit-user-drag:none}
.wipe-divider{width:2px;background:#fff;box-shadow:0 0 0 1px #1a122550}
.wipe-divider:after{display:none}
.wipe-handle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:78px;height:52px;display:flex;align-items:center;justify-content:center;gap:9px;border-radius:28px;background:var(--brand-yellow);color:#1a1225;border:2px solid #fff;box-shadow:0 3px 18px #0004;font-size:23px}
.wipe-handle>span{font-size:9px;letter-spacing:1px;font-weight:600}
.wipe.dragging .wipe-handle{background:#fff}
.wipe-help{text-align:center;padding:15px 16px 0;font-size:11px;color:var(--muted)}
.photo-tools{align-items:center}
.photo-adjustments{margin-top:22px;padding:18px 22px;border:1px solid var(--line)}
.photo-adjustments summary{cursor:pointer;font-size:12px;padding:5px 0}
.photo-adjustments>p{font-size:11px;color:var(--muted);max-width:720px;margin-top:16px}
.adjustment-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:20px 0}
.adjustment-grid fieldset{min-width:0;border:0;padding:0;margin:0}
.adjustment-grid legend{font-size:11px;font-weight:600;margin-bottom:14px;text-transform:uppercase}
.adjustment-grid label{display:grid;grid-template-columns:100px 1fr 62px;align-items:center;gap:14px;font-size:11px;min-height:48px}
.adjustment-grid input{width:100%;min-width:0;accent-color:var(--brand-purple)}
.science .adjustment-grid input{accent-color:var(--brand-yellow)}
.adjustment-grid output{font-size:10px;text-align:right;font-variant-numeric:tabular-nums}
.adjustment-status{color:var(--muted);font-size:10px;margin-top:12px}
.science-walkthrough{background:#ede8f3;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.science .science-walkthrough{background:#1a1530}
.process-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;margin:42px 0 65px}
.process-map{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.process-map:before{content:'';position:absolute;top:39px;left:12%;right:12%;height:1px;background:var(--line)}
.process-map button{z-index:1;border:0;background:transparent;color:var(--muted);display:flex;flex-direction:column;align-items:center;padding:0 4px;gap:7px}
.process-icon{width:78px;height:78px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;background:var(--paper);transition:background .2s,color .2s}
.process-icon svg{width:40px;height:40px}
.process-map button[aria-pressed=true] .process-icon{background:var(--brand-purple);color:var(--brand-yellow);border-color:var(--brand-purple);box-shadow:0 0 0 5px #4a387210}
.science .process-map button[aria-pressed=true] .process-icon{background:var(--brand-yellow);color:#1a1225;border-color:var(--brand-yellow)}
.process-map .step-number{font-size:9px;letter-spacing:1px;margin-top:9px}
.process-map strong{font-weight:500;font-size:12px;color:var(--ink)}
.process-detail{min-height:235px;background:var(--paper);padding:30px 32px;border-left:3px solid var(--brand-purple)}
.science .process-detail{border-color:var(--brand-yellow)}
.process-detail h3{font-size:36px;margin:14px 0}
.process-detail p:not(.eyebrow){font-size:12px;color:var(--muted)}
.area-science-heading{display:flex;align-items:center;justify-content:space-between;gap:22px;border-top:1px solid var(--line);padding-top:28px}
.area-science-heading .area-switch{margin:0}
.area-science>h3{font-size:42px;margin:28px 0}
.rationale-grid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:32px}
.rationale-grid .micro{font-size:9px;letter-spacing:1.2px;display:block;line-height:1.7;text-transform:uppercase}
.rationale-grid p{font-size:12px;color:var(--muted);margin-top:12px}
.evidence-card{background:var(--paper);padding:22px 24px;border-top:2px solid var(--brand-purple)}
.science .evidence-card{border-color:var(--brand-yellow)}
.evidence-card a{display:inline-block;font-size:10px;border-bottom:1px solid var(--line);margin-top:18px}
.science-footnote{color:var(--muted);font-size:10px;margin-top:30px;max-width:890px}
@media(max-width:1050px){.process-layout{gap:24px}.process-icon{width:64px;height:64px}.process-map:before{top:32px}.rationale-grid{gap:20px}.adjustment-grid label{grid-template-columns:85px 1fr 55px;gap:8px}}
@media(max-width:700px){.area-switch{gap:7px}.area-switch button{min-width:0;flex:1;padding:10px 18px}.photo-frame{aspect-ratio:3/5}.photo-label{top:10px}.wipe-tag{font-size:9px;top:14px}.wipe-tag.left{left:14px}.wipe-tag.right{right:14px}.wipe-handle{width:70px;height:48px}.comparison-caption p{max-width:none}.comparison-caption{align-items:start}.photo-tools .text-button{min-height:44px}.photo-adjustments{padding:14px}.adjustment-grid{grid-template-columns:1fr;gap:20px}.adjustment-grid label{grid-template-columns:90px 1fr 55px}.process-layout{grid-template-columns:1fr;gap:26px;margin:30px 0 36px}.process-icon{width:52px;height:52px}.process-icon svg{width:29px;height:29px}.process-map:before{top:26px}.process-map strong{font-size:11px}.process-detail{min-height:245px;padding:25px}.process-detail h3{font-size:34px}.area-science-heading{display:block}.area-science-heading .area-switch{margin:20px 0 0}.area-science>h3{font-size:36px}.rationale-grid{grid-template-columns:1fr;gap:25px}.rationale-grid p{font-size:12px}.rationale-grid .micro{font-size:9px}.science-footnote{margin-top:26px}.wipe-help{font-size:10px}.comparison-principles{margin-top:16px}}
@media(prefers-reduced-motion:reduce){.process-icon{transition:none}}
@media print{.science-walkthrough{display:none!important}}