.mechanism-media-r4{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:64px;align-items:center;margin-top:42px;scroll-margin-top:125px}
.mechanism-main{min-width:0;width:100%;max-width:640px}
.mechanism-main>.eyebrow{margin-bottom:12px}
.mechanism-choices{display:flex;gap:0;margin-bottom:20px;border-bottom:1px solid #b6c2b2}
.mechanism-choices button{flex:1;min-height:58px;padding:12px 14px;text-align:left;font-size:14px;line-height:1.55;border:0;border-bottom:3px solid transparent;background:transparent;color:#536759;cursor:pointer}
.mechanism-choices button:first-child{padding-left:0}
.mechanism-choices button[aria-pressed=true]{border-bottom-color:var(--green);color:var(--green);font-weight:600}
.motion-panel{margin:0;min-width:0}
.motion-panel[hidden]{display:none}
.motion-screen{background:#e7dfd3;aspect-ratio:16/9}
.motion-screen video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}
.motion-screen video:fullscreen{width:100vw;height:100dvh;max-width:none;aspect-ratio:auto;object-fit:contain;background:#000}
.motion-controls{display:flex;align-items:center;gap:12px;padding:12px;background:#faf7f0;border:1px solid #d2d9cd;border-top:0}
.motion-controls button{font-family:inherit;min-height:48px;min-width:52px;padding:8px 13px;border:1px solid var(--green);background:var(--green);color:white;font-size:13px;line-height:1.3;cursor:pointer}
.motion-controls .motion-full{background:transparent;color:var(--green)}
.motion-controls input{flex:1;width:100%;min-width:30px;min-height:48px;accent-color:var(--green);cursor:pointer}
.motion-controls input:disabled{cursor:default}
.motion-time{font-size:11px;white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--muted)}
.motion-panel figcaption{font-size:11px;color:var(--muted);line-height:1.65;margin-top:13px}
.motion-status{font-size:12px;line-height:1.5;color:var(--muted)}
.motion-status:empty{display:none}
.goal-copy-r4{border-top:1px solid #b6c2b2;border-bottom:1px solid #b6c2b2;padding:20px 0}
.goal-copy-r4 .goal-copy{min-height:0;margin:0}
.goal-copy-r4 .goal-copy p{margin:0 0 14px}
.goal-copy-r4 .text-link{font-size:12px}
.actual-film-r4{margin-top:42px;border-top:1px solid #b6c2b2;border-bottom:1px solid #b6c2b2;scroll-margin-top:125px}
.actual-film-r4>summary{min-height:64px;padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:15px;cursor:pointer;list-style:none}
.actual-film-r4>summary::-webkit-details-marker{display:none}
.actual-film-r4>summary span{font-size:22px;line-height:1;transition:transform .2s}
.actual-film-r4[open]>summary span{transform:rotate(45deg)}
.actual-film-content{max-width:400px;width:100%;margin:8px auto 30px}
.mechanism-choices button:focus-visible,.motion-controls button:focus-visible,.motion-controls input:focus-visible,.actual-film-r4 summary:focus-visible{outline:3px solid #a97943;outline-offset:4px}
@media(max-width:1150px){.mechanism-media-r4{gap:40px;grid-template-columns:minmax(0,1.2fr) minmax(0,.9fr)}.mechanism-choices button{font-size:13px}.motion-controls{gap:9px;padding:10px}.motion-controls button{font-size:12px;padding:8px 10px}.motion-time{font-size:10px}}
@media(max-width:900px){.mechanism-media-r4{grid-template-columns:minmax(0,1fr);gap:30px}.mechanism-main{max-width:640px;margin:auto}.tech-media-r4 .real-tech-reading{max-width:640px;width:100%;margin:auto}.mechanism-choices button{font-size:14px}.goal-copy-r4 .goal-copy p{font-size:15px}.actual-film-r4{max-width:640px;margin:35px auto 0}}
@media(max-width:640px){.mechanism-media-r4{margin-top:30px;scroll-margin-top:95px}.mechanism-choices{margin-bottom:16px}.mechanism-choices button{font-size:13px;padding:12px 10px;min-height:68px}.motion-controls{gap:8px;padding:9px}.motion-controls button{font-size:12px;padding:8px 10px;min-width:44px}.motion-time{font-size:10px}.motion-panel figcaption{font-size:10px}.actual-film-r4>summary{font-size:14px}.actual-film-r4{scroll-margin-top:95px}.tech-media-r4 .real-tech-reading{gap:24px}.goal-copy-r4{padding:20px 0}}
@media(max-width:360px){.motion-controls{gap:6px;padding:8px}.motion-controls button{font-size:11px;padding:7px 8px;min-width:40px}.motion-time{font-size:9px}.mechanism-choices button{font-size:12px;padding-left:8px;padding-right:8px}}
@media(prefers-reduced-motion:reduce){.actual-film-r4>summary span{transition:none}}

/* Screen-review repairs: reserve a contact row outside the scrolling content. */
html{height:100%;overflow:hidden}body{height:100dvh;overflow:hidden;display:grid;grid-template-rows:minmax(0,1fr) auto}.page-viewport{min-height:0;overflow:auto;scroll-padding-top:125px;scroll-behavior:smooth}.sticky-contact,.sticky-contact.at-hero{position:static;transform:none;width:100%;min-width:0;visibility:visible;pointer-events:auto;justify-content:flex-end;gap:24px;margin:0;padding:10px 24px calc(10px + env(safe-area-inset-bottom));border-width:1px 0 0;box-shadow:none}.footer{padding-bottom:30px}.motion-panel figcaption{font-size:14px;line-height:1.65}.motion-panel figcaption>span{display:block}.motion-guide{margin-top:6px}.motion-guide:empty{display:none}.motion-credit{margin-top:8px;font-weight:500;color:var(--green)}
@media(max-width:640px){.concern-editorial .index{position:static}.concern-editorial article>div{min-width:0}.page-viewport{scroll-padding-top:95px}.sticky-contact,.sticky-contact.at-hero{justify-content:space-between;gap:12px;padding:8px 16px calc(8px + env(safe-area-inset-bottom))}.sticky-contact>span{font-size:12px}.motion-panel figcaption{font-size:14px}.footer{padding-bottom:24px}}
@media(prefers-reduced-motion:reduce){.page-viewport{scroll-behavior:auto}}