/* Interactive 3D city model */
.city3d-section{background:linear-gradient(145deg,#eaf1ed 0%,#f7f9f5 52%,#e6efeb 100%);position:relative;isolation:isolate}
.city3d-section:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 90% 18%,rgba(71,163,166,.12),transparent 38%),radial-gradient(ellipse at 8% 88%,rgba(103,157,120,.10),transparent 34%)}
.city3d-heading{margin-bottom:30px}
.city3d-shell{overflow:hidden;border:1px solid rgba(16,43,58,.12);border-radius:12px;background:#102b3a;box-shadow:0 24px 65px rgba(16,43,58,.14)}
.city3d-toolbar{min-height:66px;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid rgba(220,242,235,.12);background:linear-gradient(110deg,#102b3a,#163e4b);color:#eff7f1}
.city3d-status{display:flex;align-items:center;gap:9px;font:700 9px var(--display);letter-spacing:.16em;white-space:nowrap;color:#b7d9d0}
.city3d-live-dot{width:7px;height:7px;border-radius:50%;background:#77d1bd;box-shadow:0 0 0 5px rgba(119,209,189,.12),0 0 14px rgba(119,209,189,.5)}
.city3d-controls{display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.city3d-view-btn{border:1px solid rgba(220,242,235,.17);border-radius:4px;padding:8px 12px;background:rgba(255,255,255,.045);color:#c7dbd5;font:600 10px var(--body);cursor:pointer;transition:background .2s,border-color .2s,color .2s,transform .2s}
.city3d-view-btn:hover{border-color:rgba(116,211,205,.55);color:#fff;transform:translateY(-1px)}
.city3d-view-btn.is-active{background:rgba(102,197,190,.18);border-color:rgba(116,211,205,.55);color:#a9e6dc}
.city3d-stage{height:clamp(340px,48vw,560px);position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,#1d4c59 0%,#143746 48%,#102b3a 100%)}
.city3d-stage:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(8,28,38,.04),transparent 55%,rgba(8,28,38,.2))}
#city3d-canvas{display:block;width:100%;height:100%;touch-action:pan-y;cursor:grab;outline:none}
#city3d-canvas:active{cursor:grabbing}
.city3d-hint{position:absolute;z-index:2;left:18px;bottom:16px;display:flex;gap:8px;align-items:center;color:rgba(226,242,235,.72);font:500 10px var(--body);pointer-events:none}
.city3d-hint span:first-child{font-size:15px;color:#8bd5ce}
.city3d-compass{position:absolute;right:20px;top:18px;width:34px;height:42px;display:flex;align-items:center;flex-direction:column;gap:3px;color:#b9d8d0;font:700 9px var(--display);opacity:.75;pointer-events:none}
.city3d-compass i{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:17px solid #79cfc6;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}
.city3d-loading,.city3d-fallback{position:absolute;z-index:3;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:9px;background:rgba(16,43,58,.94);color:#eaf5ef;text-align:center}
.city3d-loading[hidden],.city3d-fallback[hidden]{display:none}
.city3d-loading b{font:700 14px var(--display)}
.city3d-loading small{font:500 11px var(--body);color:#a9c5be}
.city3d-loader{width:27px;height:27px;border:2px solid rgba(132,213,204,.2);border-top-color:#84d5cc;border-radius:50%;animation:city3d-spin .9s linear infinite}
@keyframes city3d-spin{to{transform:rotate(360deg)}}
.city3d-info{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:23px 25px 25px;color:#eaf5ef;background:linear-gradient(110deg,#102b3a,#143746);border-top:1px solid rgba(220,242,235,.1)}
.city3d-info-copy{max-width:590px}
.city3d-info-kicker{font:700 8px var(--display);letter-spacing:.18em;color:#83cbc5}
.city3d-info h3{margin:8px 0 6px;font:700 19px var(--display);color:#f3f7ef}
.city3d-info p{margin:0;color:#b5cbc4;font:400 12px/1.7 var(--body)}
.city3d-legend{display:grid;grid-template-columns:repeat(2,max-content);gap:11px 18px;flex-shrink:0}
.city3d-legend span{display:flex;align-items:center;gap:7px;color:#c4d8d1;font:500 10px var(--body);white-space:nowrap}
.city3d-legend i{width:8px;height:8px;border-radius:2px;display:inline-block}
.legend-infrastructure{background:#70c5c6}.legend-transport{background:#e4bb78}.legend-environment{background:#7fba8a}.legend-services{background:#b2a1db}
.city3d-disclaimer{margin:12px 2px 0;color:#647b78;font:500 10px/1.65 var(--body)}
@media(max-width:760px){
 .city3d-toolbar{align-items:flex-start;flex-direction:column;padding:15px 15px 13px}
 .city3d-controls{width:100%;gap:5px}
 .city3d-view-btn{padding:7px 9px;font-size:9px}
 .city3d-stage{height:390px}
 .city3d-info{align-items:flex-start;flex-direction:column;padding:19px}
 .city3d-legend{grid-template-columns:repeat(2,minmax(0,1fr));width:100%}
 .city3d-legend span{font-size:9px}
 .city3d-hint{font-size:9px;left:12px;bottom:12px}
}
@media(max-width:420px){.city3d-stage{height:340px}.city3d-view-btn{padding:7px 8px}.city3d-info h3{font-size:17px}}
@media(prefers-reduced-motion:reduce){.city3d-loader{animation:none}.city3d-view-btn{transition:none}}

.city3d-zoom-controls{position:absolute;z-index:3;right:16px;bottom:13px;display:flex;gap:6px}
.city3d-zoom-controls button{width:34px;height:34px;border:1px solid rgba(220,242,235,.25);border-radius:6px;background:rgba(10,35,46,.78);color:#e5f3ed;font:600 19px var(--display);cursor:pointer;touch-action:manipulation}
.city3d-zoom-controls button:active{background:rgba(102,197,190,.28);transform:scale(.96)}
#city3d-canvas{touch-action:pan-y pinch-zoom}
@media(max-width:680px){.city3d-zoom-controls{right:11px;bottom:10px}.city3d-zoom-controls button{width:38px;height:38px}.city3d-hint{max-width:calc(100% - 112px)}}

/* Independent canvas for browsers where a WebGL context cannot be created. */
.city3d-fallback-canvas{position:absolute;inset:0;z-index:1;display:block;width:100%;height:100%;touch-action:pan-y pinch-zoom;cursor:grab;outline:none}
.city3d-fallback-canvas:active{cursor:grabbing}

/* City expansion: geographic area selector, distinct from thematic filters. */
.city3d-area-nav{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:12px 18px;background:#0d2633;border-bottom:1px solid rgba(220,242,235,.10)}
.city3d-area-label{margin-right:5px;color:#82bdb6;font:700 8px var(--display);letter-spacing:.16em;white-space:nowrap}
.city3d-area-btn{border:1px solid rgba(220,242,235,.18);border-radius:999px;padding:8px 12px;background:rgba(255,255,255,.035);color:#d1e1da;font:600 10px var(--body);cursor:pointer;transition:background .22s,border-color .22s,color .22s,transform .22s}
.city3d-area-btn:hover{border-color:rgba(116,211,205,.55);color:#fff;transform:translateY(-1px)}
.city3d-area-btn.is-active{background:rgba(102,197,190,.18);border-color:rgba(116,211,205,.58);color:#a9e6dc}
@media(max-width:760px){.city3d-area-nav{padding:11px 13px;gap:6px}.city3d-area-label{width:100%;margin-bottom:2px}.city3d-area-btn{padding:8px 10px;font-size:9px}}
@media(prefers-reduced-motion:reduce){.city3d-area-btn{transition:none}}

/* Faster area navigation and a clear two-pulse focus marker. */
.city3d-quick-controls{display:flex;align-items:center;gap:6px;margin-left:auto}
.city3d-area-select{min-width:150px;max-width:210px;border:1px solid rgba(220,242,235,.2);border-radius:999px;padding:8px 30px 8px 12px;background:#173b49;color:#e5f1eb;font:600 10px var(--body);cursor:pointer}
.city3d-area-select:focus-visible,.city3d-nav-control:focus-visible{outline:2px solid #8bd5ce;outline-offset:2px}
.city3d-nav-control{width:34px;height:34px;border:1px solid rgba(220,242,235,.2);border-radius:50%;background:rgba(255,255,255,.06);color:#e5f1eb;font:600 17px var(--display);cursor:pointer;transition:background .2s,border-color .2s}
.city3d-nav-control:hover{background:rgba(102,197,190,.18);border-color:rgba(116,211,205,.55)}
.city3d-nav-control.city3d-reset{width:auto;border-radius:999px;padding:0 12px;font:600 10px var(--body)}
.city3d-target-pulse{position:absolute;z-index:2;left:50%;top:50%;width:14px;height:14px;transform:translate(-50%,-50%);pointer-events:none;opacity:0}
.city3d-target-pulse span{position:absolute;inset:0;border:2px solid #ffe4a6;border-radius:50%;background:rgba(255,226,166,.18);box-shadow:0 0 0 5px rgba(255,226,166,.10),0 0 22px rgba(255,226,166,.8)}
.city3d-target-pulse:before,.city3d-target-pulse:after{content:"";position:absolute;inset:-5px;border:2px solid #ffe4a6;border-radius:50%;opacity:0;transform:scale(.55)}
.city3d-target-pulse.is-active{opacity:1}
.city3d-target-pulse.is-active:before{animation:city3d-target-blink .72s ease-out 2}
.city3d-target-pulse.is-active:after{animation:city3d-target-blink .72s ease-out 2 .22s}
@keyframes city3d-target-blink{0%{opacity:.95;transform:scale(.55)}70%{opacity:.45}100%{opacity:0;transform:scale(3.8)}}
@media(max-width:760px){
 .city3d-quick-controls{width:100%;margin:5px 0 0;gap:7px}
 .city3d-area-select{flex:1;min-width:0;max-width:none}
 .city3d-nav-control{flex:0 0 34px}
}
@media(prefers-reduced-motion:reduce){.city3d-target-pulse.is-active:before,.city3d-target-pulse.is-active:after{animation:none;opacity:.7;transform:scale(1.5)}}

/* Simplified city-model controls: two clear selectors and one reset action. */
.city3d-toolbar{min-height:58px;padding:10px 18px}
.city3d-controls{margin-left:auto}
.city3d-area-nav{display:flex;align-items:center;gap:12px;padding:12px 18px;background:#143746;border-top:1px solid rgba(220,242,235,.08);color:#eaf5ef}
.city3d-control-label{display:flex;align-items:center;gap:9px;color:#b9d8d0;font:700 9px var(--display);letter-spacing:.08em;text-transform:uppercase}
.city3d-area-select,.city3d-view-select{min-width:205px;border:1px solid rgba(220,242,235,.2);border-radius:7px;padding:10px 34px 10px 12px;background:#1b4652;color:#eff7f1;font:600 11px var(--body);cursor:pointer}
.city3d-view-select{min-width:175px}
.city3d-area-select:focus-visible,.city3d-view-select:focus-visible,.city3d-nav-control:focus-visible{outline:2px solid #8bd5ce;outline-offset:2px}
.city3d-nav-control.city3d-reset{width:auto;min-height:38px;border-radius:7px;padding:0 14px;background:rgba(102,197,190,.13);border-color:rgba(116,211,205,.35);font:600 10px var(--body);letter-spacing:0}
.city3d-nav-control.city3d-reset:hover{background:rgba(102,197,190,.24)}
@media(max-width:760px){
 .city3d-toolbar{align-items:center;flex-direction:row;padding:11px 13px}
 .city3d-status{font-size:8px}
 .city3d-controls{width:auto;margin-left:auto}
 .city3d-view-select{min-width:0;width:145px;padding:9px 8px;font-size:10px}
 .city3d-area-nav{align-items:stretch;flex-wrap:wrap;padding:10px 13px;gap:8px}
 .city3d-control-label{flex:1;min-width:0;align-items:flex-start;flex-direction:column;gap:5px}
 .city3d-area-select{width:100%;min-width:0;padding:10px 8px;font-size:10px}
 .city3d-nav-control.city3d-reset{align-self:flex-end;min-height:36px;min-width:70px;font-size:9px;white-space:nowrap}
}
@media(max-width:380px){.city3d-status span:last-child{max-width:105px;white-space:normal}.city3d-view-select{width:132px}}


/* 3D city responsive controls — simplified for touch and precision on desktop */
.city3d-area-nav{display:grid;grid-template-columns:minmax(260px,420px) auto;justify-content:start;align-items:end;gap:12px}
.city3d-area-nav .city3d-control-label{min-width:0;display:flex;flex-direction:column;align-items:stretch;gap:6px}
.city3d-area-select,.city3d-view-select{width:100%;min-width:0;max-width:none;min-height:42px}
.city3d-nav-control.city3d-reset{justify-self:start;min-height:42px;min-width:84px;width:84px;white-space:nowrap}
.city3d-stage{height:clamp(420px,42vw,570px)}
.city3d-info{align-items:flex-start}
.city3d-info-copy{min-width:0}
@media(max-width:760px){
 .city3d-toolbar{align-items:stretch;flex-direction:column;gap:10px;padding:14px}
 .city3d-controls{width:100%;margin:0}
 .city3d-control-label{width:100%;font-size:9px}
 .city3d-view-select,.city3d-area-select{width:100%;min-height:46px;font-size:13px;padding:11px 12px}
 .city3d-area-nav{grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:12px}
 .city3d-area-nav .city3d-area-label{grid-column:1/-1;width:100%;margin:0}
 .city3d-area-select{grid-column:1}
 .city3d-nav-control.city3d-reset{grid-column:2;align-self:end;min-height:46px;min-width:84px;padding:0 12px;font-size:12px}
 .city3d-stage{height:clamp(280px,86vw,390px)}
 .city3d-hint{left:10px;bottom:10px;max-width:calc(100% - 105px);font-size:9px}
 .city3d-zoom-controls{right:10px;bottom:8px}
 .city3d-zoom-controls button{width:42px;height:42px}
 .city3d-compass{right:12px;top:12px}
 .city3d-info{padding:18px 15px;gap:16px}
 .city3d-info h3{font-size:18px}
 .city3d-info p{font-size:13px;line-height:1.65}
 .city3d-legend{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 8px}
 .city3d-legend span{font-size:10px;white-space:normal}
 .city3d-disclaimer{font-size:11px;line-height:1.65}
}
@media(max-width:380px){
 .city3d-area-nav{grid-template-columns:minmax(0,1fr) 76px;gap:8px;padding:10px}
 .city3d-nav-control.city3d-reset{min-width:76px;padding:0 8px}
 .city3d-stage{height:285px}
 .city3d-info{padding:16px 13px}
}