.explore-header{display:flex;gap:24px;align-items:center;padding:22px 5vw;border-bottom:1px solid #c8c8bb;position:relative;background:#f6f4ee}.explore-header a:first-child{font-family:Georgia,serif;letter-spacing:.24em;margin-right:auto}.explore-header select,select#option{min-height:44px;font:inherit;max-width:100%;background:transparent;border:1px solid #81867b;padding:8px}.explore-header a{min-height:44px;display:inline-flex;align-items:center}.section{max-width:1440px;margin:auto}h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(32px,5vw,64px);margin:16px 0}#intro,#scope,#detail-note{max-width:800px}.aerial{position:relative;margin:28px 0 12px;background:#e7e9de;line-height:0}.aerial>img{display:block;width:100%;height:auto;aspect-ratio:3840/2800}.aerial>svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}.aerial polygon{stroke:#fff;stroke-width:5;fill:#d9b87466;cursor:pointer;vector-effect:non-scaling-stroke}.aerial polygon:hover,.aerial polygon:focus{fill:#e5c17dbb;stroke:#193741;outline:none}.explore-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.explore-actions button,#retry-image{font:inherit;min-height:44px;background:transparent;color:inherit;border:1px solid #6a766a;padding:12px 20px;cursor:pointer}.explore-actions [aria-pressed=true]{background:#193741;color:#fff}#detail-content{background:#e7e9de;padding:16px;margin-bottom:24px}#detail-content img{max-width:100%;max-height:700px;display:block;margin:auto}#detail-content iframe{border:0;width:100%;height:min(760px,85vh);display:block}#detail-content .button{margin:12px}.text-link{display:inline-block;margin:12px 24px 12px 0;min-height:44px}a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid #a5772c;outline-offset:4px}[hidden]{display:none!important}#detail{scroll-margin-top:20px}@media(max-width:600px){.explore-header{gap:10px;flex-wrap:wrap;padding:12px 5vw}.explore-header a:first-child{width:45%}.section{padding:36px 5vw}.explore-actions>*{flex:1;min-width:120px}#detail-content{padding:4px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important}}
.section#site,.section#detail,footer.section{padding:64px 6vw}
@media(max-width:600px){.section#site,.section#detail,footer.section{padding:36px 5vw}}

/* R431: existing aerial viewer occupies the viewport; SVG and image share contain. */
.explore-header{height:56px;box-sizing:border-box;padding:6px 20px;gap:16px;position:sticky;top:0;z-index:20}
.explore-header select{padding:4px 8px}.section#site{max-width:none;padding:0;position:relative;height:calc(100dvh - 56px);min-height:460px;overflow:hidden}
#aerial{position:absolute;inset:0;margin:0;width:100%;height:100%}#aerial>img{width:100%;height:100%;object-fit:contain;aspect-ratio:auto}#aerial>svg{overflow:hidden}
#site #kicker,#site #intro{display:none}#site #heading{position:absolute;z-index:2;top:16px;left:20px;margin:0;padding:10px 14px;background:#f6f4eee8;font-size:20px;max-width:calc(100% - 210px);line-height:1.3;pointer-events:none}
#option-label{position:absolute;z-index:2;right:20px;top:12px;font-size:11px}#option{position:absolute;z-index:2;right:20px;top:32px;background:#f6f4eef2!important;min-width:110px}
#site .explore-actions{position:absolute;z-index:3;left:20px;bottom:42px;max-width:390px;margin:0;padding:12px;background:#f6f4eef2;border:1px solid #c8c8bb;gap:7px;box-sizing:border-box}
#entity-label{width:100%;font-size:12px}#entity-search,#entity{width:100%;min-width:0;padding:6px 10px;font:inherit;font-size:13px;box-sizing:border-box}#site .explore-actions button,#site .explore-actions .button{font-size:12px;padding:8px 12px;min-height:44px;margin:0}
#image-state{position:absolute;z-index:2;left:20px;bottom:6px;margin:0;font-size:11px;background:#f6f4eedb;padding:4px 8px;max-width:calc(100% - 40px)}#scope{position:absolute;z-index:2;right:20px;bottom:44px;max-width:260px;font-size:10px;padding:7px;background:#f6f4eecf;pointer-events:none}#retry-image{position:absolute;z-index:4;left:20px;top:80px;background:#f6f4ee}
.section#detail{max-width:none;padding:24px 3vw;scroll-margin-top:56px}#detail-content iframe{height:calc(100dvh - 80px);min-height:420px}footer.section{padding:16px 3vw}
@media(max-width:760px){.explore-header{padding:6px 12px;gap:8px;flex-wrap:nowrap}.explore-header a:first-child{width:auto;font-size:12px;letter-spacing:.12em}.explore-header a{font-size:11px}.explore-header select{font-size:12px;max-width:95px}#site #heading{top:10px;left:10px;font-size:15px;max-width:calc(100% - 135px);padding:7px 9px}#option-label{right:10px;top:8px}#option{right:10px;top:25px;min-width:90px;padding:4px;font-size:12px}#site .explore-actions{left:10px;right:10px;bottom:35px;max-width:none;padding:8px;gap:6px}#entity-label{display:none}#entity-search{flex:1;min-width:90px;width:30%}#entity{flex:2;min-width:160px;width:60%}#site .explore-actions button,#site .explore-actions .button{flex:1;min-width:100px;text-align:center}#scope{display:none}#image-state{left:10px;max-width:calc(100% - 20px);font-size:9px}.section#detail{padding:20px 12px}}

/* Image and selection polygons use the identical cropped SVG coordinate system. */
#aerial>img{opacity:0}#aerial>svg{background:#e7e9de}
body[data-aerial=error] #hotspots>image{display:none}
@media(min-width:761px){#site .explore-actions{max-width:calc(100% - 40px);align-items:center;padding:8px}#entity-label{display:none}#entity-search{width:170px}#entity{width:250px}#scope{bottom:115px;max-width:220px}}

#home-link{display:flex;align-items:center;min-height:44px}#home-link img{display:block;width:174px;height:auto}@media(max-width:600px){#home-link img{width:128px}}

#home-link{background:#10392f;border:1px solid #ac8b4f88;padding:9px 12px}#home-link img{width:150px}@media(max-width:600px){#home-link{padding:8px}#home-link img{width:112px}}