/* A quiet exhibition space: the artworks carry the colour. */
.os-stage{position:relative;display:grid;justify-items:center;align-content:center;gap:20px;min-width:0;padding:30px;background:#e9e7e2;overflow:hidden}
.os-stage-image{display:flex;align-items:center;justify-content:center;width:100%;min-height:0}
.os-stage-image img{display:block;width:auto;max-width:100%;height:460px;max-height:60svh;object-fit:contain;box-shadow:0 14px 34px #201c1723;background:#f2f0ec}
.os-stage-image img[aria-busy=true]{opacity:.5;transition:opacity .15s}
.os-stage>button{border:0;border-bottom:1px solid #88847b;background:none;color:#35332e;font:14px/1.5 Arial,sans-serif;padding:7px 0;cursor:pointer;transition:color .2s,border-color .2s}
.os-stage>button:hover{color:#000;border-color:#000}.os-stage>p{font:12px/1.5 Arial,sans-serif;text-align:center;color:#69665f;margin:0}
.os-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px 12px}
.os-choice{position:relative;display:block;min-width:0;width:100%;border:0!important;padding:0!important;background:none!important;color:inherit;text-align:left;cursor:pointer;border-radius:0;box-shadow:none!important}
.os-choice-image{position:relative;display:block;background:#e4e0d9;aspect-ratio:3/4;overflow:hidden;outline:1px solid transparent;outline-offset:4px;transition:outline-color .25s,transform .3s cubic-bezier(.2,.7,.2,1)}
.os-choice-image img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1),opacity .3s}
.os-choice-image small{position:absolute;top:7px;left:7px;color:white;background:#181816aa;padding:2px 5px;font:12px/1.4 Arial,sans-serif;font-variant-numeric:tabular-nums}
.os-choice-image i{position:absolute;right:7px;bottom:7px;width:23px;height:23px;display:grid;place-items:center;background:#fff;color:#24231f;font:14px Arial,sans-serif;border-radius:50%;opacity:0;transform:scale(.6);transition:opacity .25s,transform .25s}
.os-choice[aria-pressed=true] .os-choice-image{outline-color:#302f2b}.os-choice[aria-pressed=true] i{opacity:1;transform:scale(1)}
.os-choice-label{display:block;margin-top:9px;font:14px/1.4 Arial,sans-serif;overflow-wrap:anywhere}.os-choice:hover:not(:disabled) img{transform:scale(1.045)}.os-choice:hover:not(:disabled) .os-choice-image{transform:translateY(-3px)}
.os-choice:focus-visible{outline:2px solid #554c35!important;outline-offset:6px!important}.os-choice:disabled{cursor:default;opacity:.6}
.op-lab .op-style-heading{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);padding-top:17px;margin-bottom:20px;gap:12px}.op-style-heading h3{font-size:29px;line-height:1.1}.op-style-heading>span{font-size:12px;color:#716d65}
.op-lab .op-style-grid{gap:16px 12px;margin-bottom:24px}.op-lab .op-style-grid .os-choice-image{aspect-ratio:4/5}.op-lab .op-style-grid .os-choice-label{font-size:14px}
.op-style-preview{display:none}.op-lab[data-stage="1"] .op-style-preview{display:grid}.op-lab[data-stage="1"] .op-wall,.op-lab[data-stage="1"] .op-preview-label,.op-lab[data-stage="1"] #op-caption{display:none}
.op-lab[data-stage="1"] .op-preview{align-self:start;position:sticky;top:48px;background:#eceae5;padding:26px 5%}.op-style-preview .os-stage-image img{height:490px}
.op-lab .op-style-stage-title{font:34px/1.1 var(--serif);color:#282821;text-align:center}.op-lab .op-style-stage-category{font:12px/1.5 Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:#736d63}
.op-lab[data-stage="1"] .op-controls{padding:36px 7%;align-self:start}.op-lab[data-stage="1"] .op-screen>h2{font-size:clamp(35px,3.3vw,48px);margin-bottom:22px}
.op-lab .op-style-footnote{font:14px/1.5 Arial,sans-serif;color:#716d65;margin-bottom:18px}.op-lab .op-demo-style-select{width:100%;padding:10px;background:white;border:1px solid #b8beb2;font-size:14px;margin:8px 0 18px}
.op-lab .op-selected-result{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:-8px 0 23px;padding:12px 0;border-block:1px solid var(--line);font-size:14px}
.op-lab .op-selected-result button{font-size:14px;border:0;background:none;text-decoration:underline;color:inherit}
@media(min-width:1600px){.op-style-preview .os-stage-image img{height:620px}.op-lab[data-stage="1"] .op-style-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:700px){.op-lab[data-stage="1"] .op-preview{position:relative;top:auto;padding:15px 6%}.op-style-preview{padding:8px;gap:10px}.op-style-preview .os-stage-image img{height:220px;max-height:none}.op-style-preview .op-style-stage-title{font-size:28px}.op-style-preview .op-style-stage-category{display:none}.op-lab[data-stage="1"] .op-controls{padding:25px 7%}.op-lab .op-style-grid{gap:15px 11px}.os-choice-label{font-size:14px}}
@media(prefers-reduced-motion:reduce){.os-choice *,.os-stage *{animation:none!important;transition:none!important;transform:none!important}}