:root{
  --bg:#0b0f14; --panel:rgba(14,19,26,.8); --line:rgba(255,255,255,.1); --ink:#eef2f6; --dim:#93a1b2;
  --amber:#ffb15c; --teal:#5ff0c4; --red:#ff6b6b;
  --display:'Bricolage Grotesque',system-ui,sans-serif; --body:'DM Sans',system-ui,sans-serif; --mono:'IBM Plex Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg)} html.lenis,html.lenis body{height:auto}
body{background:var(--bg);color:var(--ink);font:400 14px/1.5 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
#gl{position:fixed;inset:0;width:100vw;height:100vh;height:100dvh;display:block;touch-action:none}
#scroller{height:3400vh;pointer-events:none}
body.mode-explore #scroller{display:none}

/* loader */
#loader{position:fixed;inset:0;z-index:80;background:#f4efe2;display:grid;place-content:center;justify-items:center;gap:18px;transition:opacity .9s var(--ease),visibility .9s;color:#1a1815}
#loader::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(26,24,21,.06) 1px,transparent 1px) 0 0/48px 48px,linear-gradient(90deg,rgba(26,24,21,.06) 1px,transparent 1px) 0 0/48px 48px;mask:radial-gradient(circle at 50% 50%,#000 0,transparent 70%);-webkit-mask:radial-gradient(circle at 50% 50%,#000 0,transparent 70%);animation:ldg 6s linear infinite}
@keyframes ldg{to{background-position:48px 48px,48px 48px}}
#loader.done{opacity:0;visibility:hidden}
.ld-ring{position:relative;width:min(220px,56vw);aspect-ratio:1;display:grid;place-content:center;grid-auto-flow:column;align-items:baseline;gap:2px}
.ld-ring svg{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:#1a1815;stroke-width:1}
.ld-ring .r1{opacity:.55} .ld-ring .r2{stroke:#c8520f;stroke-width:1.5;stroke-dasharray:6 10;transform-origin:center;animation:ldr 9s linear infinite reverse}
.ld-ring .ticks{opacity:.7;transform-origin:center;animation:ldr 24s linear infinite} .ld-ring .ticks line{stroke-width:1}
.ld-ring .sweep{fill:rgba(200,82,15,.16);stroke:none;transform-origin:100px 100px;animation:ldr 2.2s linear infinite}
@keyframes ldr{to{transform:rotate(360deg)}}
.ld-ring b{font:700 54px/1 var(--mono);letter-spacing:-.04em;position:relative} .ld-ring u{text-decoration:none;font:500 14px var(--mono);color:#c8520f;position:relative}
#loader p{font:500 11px var(--mono);letter-spacing:.22em;text-transform:uppercase;color:rgba(26,24,21,.6);position:relative;margin:6px 0 0}
.ld-bar{position:relative;width:170px;height:2px;background:rgba(26,24,21,.15);overflow:hidden} .ld-bar i{display:block;height:100%;width:0;background:#c8520f;transition:width .3s}
.ld-mark{position:relative;font:800 12px var(--mono);letter-spacing:.5em;color:rgba(26,24,21,.4);margin-top:10px;animation:ldp 1.8s ease-in-out infinite}
@keyframes ldp{50%{opacity:.35}}

/* top bar */
#top{position:fixed;z-index:30;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:calc(14px + env(safe-area-inset-top)) clamp(14px,2.2vw,30px) 0;pointer-events:none}
#top>*{pointer-events:auto}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand svg{width:26px;fill:none;stroke:var(--amber);stroke-width:2;stroke-linejoin:round} .brand circle{stroke:var(--teal);fill:var(--teal)}
.brand span{font:600 19px var(--display);letter-spacing:-.01em}
.seg{display:flex;background:rgba(10,14,19,.7);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg button{padding:7px 18px;border-radius:999px;font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim);transition:all .4s var(--ease)}
.seg button.on{background:var(--amber);color:#1a1209}
.top-r{display:flex;align-items:center;gap:10px}
.pill{padding:8px 15px;border:1px solid var(--line);border-radius:999px;background:rgba(10,14,19,.7);backdrop-filter:blur(10px);font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;transition:all .3s var(--ease)}
.pill:hover{border-color:var(--teal);color:var(--teal)} .pill.on{background:var(--teal);color:#06241c;border-color:var(--teal)}
.demo-badge{font:500 10px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--amber);border:1px solid rgba(255,177,92,.4);padding:6px 10px;border-radius:999px;background:rgba(255,177,92,.08)}

/* story layer */
body.mode-explore #chapters,body.mode-explore #hint,body.mode-explore #rail,body.mode-explore #legend,body.mode-explore #rooms3d{display:none}
body.mode-story #left,body.mode-story #right,body.mode-story #bottom{display:none}
#chapters{position:fixed;inset:0;z-index:12;pointer-events:none}
.ch{position:absolute;top:50%;max-width:min(520px,88vw);opacity:0;transform:translateY(-46%);will-change:opacity,transform}
.ch.left{left:clamp(18px,5.5vw,90px)} .ch.right{right:clamp(18px,5.5vw,90px);text-align:right}
.ch::before{content:"";position:absolute;inset:-50px -70px;background:radial-gradient(closest-side,rgba(8,11,16,.7),rgba(8,11,16,.35) 62%,transparent);z-index:-1}
.eyebrow{font:500 11px/1.4 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--teal);margin-bottom:14px}
.ch h2{font:300 clamp(34px,5vw,70px)/1 var(--display);letter-spacing:-.025em}
.ch h2 em{font-style:normal;color:var(--amber)}
.ch p.body{margin-top:18px;font:300 clamp(14px,1.15vw,17px)/1.6 var(--body);color:#c6d0db;max-width:42ch} .ch.right p.body{margin-left:auto}
.ch .tag{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--amber)}
.ch .tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);box-shadow:0 0 12px var(--amber)}
.steps{list-style:none;margin-top:18px;display:grid;gap:7px;text-align:left}
.steps li{font:400 13px var(--mono);color:var(--dim);display:flex;gap:10px;align-items:center;opacity:.5;transition:all .5s var(--ease)}
.steps li::before{content:"○";color:var(--dim)} .steps li.done{opacity:1;color:var(--ink)} .steps li.done::before{content:"●";color:var(--teal)}
.cta{margin-top:26px;display:flex;gap:10px;flex-wrap:wrap;pointer-events:auto}.ch.right .cta{justify-content:flex-end}
.btn{display:inline-flex;align-items:center;height:46px;padding:0 24px;border-radius:999px;background:var(--amber);color:#1a1209;font:600 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;transition:transform .5s var(--ease)}
.btn:hover{transform:translateY(-2px)} .btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
#hint{position:fixed;z-index:15;left:50%;bottom:62px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font:500 10px var(--mono);letter-spacing:.24em;text-transform:uppercase;color:var(--dim);transition:opacity .6s}
#hint i{display:block;width:1px;height:34px;background:linear-gradient(var(--teal),transparent);animation:hint 2s var(--ease) infinite;transform-origin:top}
@keyframes hint{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
#rail{position:fixed;z-index:20;left:clamp(14px,2.2vw,30px);right:clamp(14px,2.2vw,30px);bottom:calc(16px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:14px;font:500 10px var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--dim);pointer-events:none}
#rail i{flex:1;height:1px;background:var(--line);position:relative} #rail b{position:absolute;left:0;top:-.5px;height:2px;width:0;background:var(--teal)}
#legend{position:fixed;z-index:15;right:clamp(14px,2.2vw,30px);bottom:46px;display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;font:400 10px var(--mono);letter-spacing:.08em;color:var(--dim);max-width:60vw;opacity:0;transition:opacity .6s}
#legend i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--c);margin-right:6px;box-shadow:0 0 8px var(--c)}
#hot,#rooms3d{position:fixed;inset:0;z-index:14;pointer-events:none;overflow:hidden}
.hl{position:absolute;left:0;top:0;transform:translate(-50%,-100%);display:flex;flex-direction:column;align-items:center;gap:4px;opacity:0;transition:opacity .35s;will-change:transform}
.hl .dot{width:9px;height:9px;border-radius:50%;background:var(--c);box-shadow:0 0 0 3px rgba(0,0,0,.35),0 0 14px var(--c)}
.hl .card{padding:5px 9px;border-radius:8px;background:rgba(10,14,19,.82);border:1px solid var(--line);backdrop-filter:blur(6px);white-space:nowrap;text-align:left;font:500 11px var(--body)}
.hl .card small{display:block;font:400 9.5px var(--mono);color:var(--c);letter-spacing:.08em;text-transform:uppercase}
.rl{position:absolute;left:0;top:0;transform:translate(-50%,-50%);font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#d9e4ee;text-shadow:0 1px 10px #000,0 0 3px #000;opacity:0;white-space:nowrap}
.rl small{display:block;color:var(--amber);font-size:9.5px;letter-spacing:.1em;text-align:center}
#toasts{position:fixed;z-index:25;top:70px;right:clamp(14px,2.2vw,30px);width:min(340px,86vw);display:grid;gap:8px;pointer-events:none}
body.mode-explore #toasts{top:auto;bottom:70px}
.toast{padding:10px 13px;border-radius:12px;background:rgba(12,16,22,.86);border:1px solid var(--line);backdrop-filter:blur(8px);display:grid;grid-template-columns:auto 1fr;gap:2px 10px;animation:tin .5s var(--ease) both}
.toast.out{animation:tout .4s ease both}
.toast i{grid-row:1/3;width:8px;height:8px;border-radius:50%;margin-top:6px;background:var(--c,var(--teal));box-shadow:0 0 10px var(--c,var(--teal))}
.toast b{font:500 10.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--c,var(--teal))} .toast span{font-size:13px;color:#e6edf4}
.toast.event{--c:#6db8ff}.toast.ok{--c:#5ff0c4}.toast.scene{--c:#ffb15c}.toast.alert{--c:#ff6b6b}.toast.phone{--c:#c9a2ff}
@keyframes tin{from{opacity:0;transform:translateX(24px)}} @keyframes tout{to{opacity:0;transform:translateX(24px)}}

/* explore: left sidebar */
#left{position:fixed;z-index:20;left:clamp(12px,1.6vw,22px);top:64px;bottom:60px;width:244px;display:flex;flex-direction:column;gap:6px;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:18px;backdrop-filter:blur(14px);overflow:auto;scrollbar-width:thin}
#left h4{font:500 10px var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin:6px 0 8px}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.chips button{padding:6px 11px;border-radius:999px;border:1px solid var(--line);font:500 11.5px var(--body);color:#c6d0db;transition:all .25s var(--ease)}
.chips button:hover{border-color:var(--teal)} .chips button.on{background:var(--teal);color:#06241c;border-color:var(--teal)}
#roomList{display:grid;gap:2px}
#roomList .fh{font:500 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin:8px 0 3px}
#roomList button{display:flex;justify-content:space-between;align-items:center;padding:7px 9px;border-radius:9px;text-align:left;color:#d5dde6;transition:background .2s}
#roomList button:hover{background:rgba(255,255,255,.06)} #roomList button.on{background:rgba(255,177,92,.15);color:var(--amber)}
#roomList button em{font:400 11px var(--mono);color:var(--dim);font-style:normal}
.btns{display:grid;gap:8px;margin-top:6px}
.big{padding:12px 14px;border-radius:12px;border:1px solid var(--line);display:flex;justify-content:space-between;font:500 13px var(--body);transition:all .3s var(--ease)}
.big:hover{border-color:var(--amber)} .big.hub{background:rgba(95,240,196,.1);border-color:rgba(95,240,196,.4);color:var(--teal)} .big b{font:500 12px var(--mono);color:var(--dim)}
#devDrawer{position:absolute;inset:0;background:rgba(11,15,20,.97);border-radius:18px;display:flex;flex-direction:column;z-index:5}
#devDrawer[hidden]{display:none}
.drawer-h{display:flex;gap:6px;padding:12px;border-bottom:1px solid var(--line)}
.drawer-h input{flex:1;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:9px;padding:8px 10px;color:var(--ink);font:400 13px var(--body);min-width:0}
.drawer-h button{width:34px;font-size:20px;color:var(--dim)}
#devList{overflow:auto;padding:6px;flex:1;scrollbar-width:thin}
#devList button{display:grid;grid-template-columns:10px 1fr;gap:2px 9px;width:100%;text-align:left;padding:8px 8px;border-radius:9px;align-items:center}
#devList button:hover,#devList button.on{background:rgba(255,255,255,.07)}
#devList i{width:8px;height:8px;border-radius:50%;background:var(--c);grid-row:1/3;box-shadow:0 0 8px var(--c)}
#devList b{font:500 12.5px var(--body);color:#e7edf3} #devList small{font:400 10.5px var(--mono);color:var(--dim)}
#devList .gh{font:500 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);padding:10px 8px 4px;display:block}

/* explore: right panel */
#pv{position:fixed;z-index:19;right:clamp(12px,1.6vw,22px);top:64px;width:318px;height:clamp(150px,24vh,214px);border:1px solid var(--line);border-radius:18px 18px 0 0;overflow:hidden;cursor:grab;touch-action:none}
#pv[hidden]{display:none} #pv::after{content:"Drag to turn";position:absolute;left:12px;bottom:8px;font:500 9.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.4);pointer-events:none}
#right{position:fixed;z-index:20;right:clamp(12px,1.6vw,22px);top:calc(64px + clamp(150px,24vh,214px));bottom:60px;width:318px;padding:16px 18px 18px;background:var(--panel);border:1px solid var(--line);border-top:0;border-radius:0 0 18px 18px;backdrop-filter:blur(14px);overflow:auto;scrollbar-width:thin;animation:rin .5s var(--ease)}
#right[hidden]{display:none} @keyframes rin{from{opacity:0;transform:translateX(24px)}}
#rClose{position:fixed;z-index:21;right:calc(clamp(12px,1.6vw,22px) + 10px);top:72px;width:30px;height:30px;border-radius:50%;background:rgba(10,14,19,.6);font-size:20px;line-height:28px;color:#dfe7ee}
.dtag{font:500 11px var(--mono);letter-spacing:.14em;color:var(--amber)}
#rBody h3{font:600 21px/1.15 var(--display);margin:6px 0 4px;letter-spacing:-.01em}
.dloc{font:400 12px var(--mono);color:var(--dim)}
.dmodel{margin:12px 0;padding:10px 12px;border-radius:10px;background:rgba(255,255,255,.05);font-size:12.5px;color:#c6d0db}
.dmodel small{display:block;font:500 9.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:2px}
.dphoto{height:92px;border-radius:12px;margin:12px 0;display:grid;place-items:center;border:1px solid var(--line);background:radial-gradient(circle at 30% 30%,rgba(255,177,92,.16),transparent 60%),#10161d}
.dphoto svg{width:54px;height:54px;stroke:var(--amber);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.sec{margin-top:14px} .sec h5{font:500 10px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:5px}
.sec p{font-size:13px;color:#d2dae3;line-height:1.55}
.chip{display:inline-flex;align-items:center;gap:7px;padding:4px 10px;border-radius:999px;border:1px solid var(--c);color:var(--c);font:500 11px var(--mono);letter-spacing:.06em}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c);box-shadow:0 0 8px var(--c)}
.path{font:400 12px/1.55 var(--mono);color:#b9c5d1}
.cloudnote{margin-top:10px;padding:8px 10px;border-radius:8px;border:1px solid rgba(255,107,107,.4);background:rgba(255,107,107,.08);font-size:12px;color:#ffb8b8}
.demo{margin-top:16px;padding:13px;border-radius:14px;border:1px solid rgba(255,177,92,.35);background:rgba(255,177,92,.06)}
.demo h5{display:flex;justify-content:space-between;color:var(--amber)} .demo h5 em{font-style:normal;color:var(--dim);letter-spacing:.08em}
.row{display:flex;gap:8px;align-items:center;margin-top:9px;flex-wrap:wrap} .row label{font-size:12px;color:var(--dim);min-width:74px}
.tog{padding:7px 13px;border-radius:999px;border:1px solid var(--line);font:500 11.5px var(--mono);transition:all .25s} .tog.on{background:var(--amber);border-color:var(--amber);color:#1a1209}
.tog.act{background:var(--teal);border-color:var(--teal);color:#06241c}
input[type=range]{flex:1;accent-color:var(--amber);min-width:100px}
.val{font:500 13px var(--mono);color:var(--ink);min-width:44px;text-align:right}
.log{margin-top:9px;font:400 11px/1.6 var(--mono);color:var(--dim);max-height:92px;overflow:auto} .log div b{color:var(--teal);font-weight:500}
#preview{width:100%;border-radius:10px;border:1px solid var(--line);background:#000;display:block;margin-top:6px;aspect-ratio:16/9}
.camtag{position:relative;font:500 10px var(--mono);color:var(--red);letter-spacing:.1em}
.camtag::before{content:"● REC ";animation:rec 1.2s infinite} @keyframes rec{50%{opacity:.2}}
.actions{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}.actions button{padding:7px 12px;border-radius:999px;border:1px solid var(--line);font:500 11px var(--mono);letter-spacing:.06em}.actions button:hover{border-color:var(--teal);color:var(--teal)}


.ptag{font:500 10.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--amber)}
.lead{font-size:13.5px;line-height:1.55;color:#e1e8ef;margin:2px 0 0}
ul.feat{list-style:none;display:grid;gap:6px;margin:2px 0 0} ul.feat li{position:relative;padding-left:16px;font-size:13px;line-height:1.45;color:#d2dae3} ul.feat li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 8px var(--teal)}
.wchips{display:flex;flex-wrap:wrap;gap:6px} .wchips span{padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);font:500 11.5px var(--body);color:#cdd6df;text-transform:capitalize}
.fine{margin-top:16px;font-size:10.5px;line-height:1.5;color:var(--dim)} .fine i{font-style:normal;opacity:.8}

/* explore: bottom bar */
#bottom{position:fixed;z-index:20;left:50%;transform:translateX(-50%);bottom:14px;width:min(920px,calc(100vw - 24px));display:flex;align-items:center;gap:26px;padding:10px 20px;background:var(--panel);border:1px solid var(--line);border-radius:999px;backdrop-filter:blur(14px)}
#bottom>div{display:flex;align-items:baseline;gap:8px} #bottom b{font:600 20px var(--display)} #bottom b.ok{color:var(--teal);font-size:15px} #bottom b.bad{color:var(--red);font-size:15px}
#bottom span{font:500 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)} .grow{flex:1;justify-content:flex-end} #sFloors{letter-spacing:.06em;text-transform:none;font-size:11px}

#nogl{position:fixed;inset:0;z-index:90;background:var(--bg);display:grid;place-content:center;text-align:center;padding:30px;color:var(--dim)} #nogl[hidden]{display:none}

@media (max-width:900px){
  .demo-badge{display:none} #legend{display:none}
  #left{width:auto;right:12px;bottom:auto;max-height:44vh;top:56px} #pv{display:none} #rClose{top:auto;bottom:calc(70px + 46vh - 38px);right:20px} #right{left:12px;right:12px;width:auto;top:auto;bottom:70px;max-height:46vh;border-top:1px solid var(--line);border-radius:18px}
  #bottom{gap:12px;padding:8px 14px;border-radius:18px;flex-wrap:wrap;bottom:8px} .grow{display:none} .seg button{padding:6px 12px}
  .ch{top:auto;bottom:11vh;transform:none} .ch h2{font-size:clamp(30px,10vw,48px)}
  .top-r .pill{display:none}
}
@media (prefers-reduced-motion:reduce){#hint i,#loader *,#loader::before{animation:none!important}}

/* where am I: live location and mini-map */
#where{position:fixed;z-index:16;left:clamp(14px,2vw,26px);bottom:58px;display:flex;gap:12px;align-items:stretch;padding:8px 14px 8px 8px;border-radius:16px;background:rgba(9,13,18,.78);border:1px solid var(--line);backdrop-filter:blur(10px);pointer-events:none;transition:opacity .4s}
body.mode-explore #where{display:none}
#where canvas{width:132px;height:102px;border-radius:10px;background:#0a1017;display:block}
#where .wtxt{display:flex;flex-direction:column;justify-content:center;min-width:128px;max-width:190px}
#where small{font:500 9.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
#where b{font:600 19px/1.15 var(--display);margin:3px 0 2px;letter-spacing:-.01em;transition:opacity .25s}
#where span{font:400 12px var(--body);color:var(--dim)}
#where.swap b,#where.swap span{opacity:0}
/* clickable hotspots and the product panel in story mode */
.hl{pointer-events:none} .hl .card{pointer-events:auto;cursor:pointer;transition:border-color .2s,transform .2s} .hl .card:hover{border-color:var(--amber)}
.hl .card span::after{content:"  ⓘ";color:var(--amber);font-weight:400}
body.mode-story.panel-open #right{display:block}
body.mode-story.panel-open #pv{display:block}
body.mode-story .demo,body.mode-story .actions{display:none}
@media (max-width:900px){#where canvas{width:96px;height:74px} #where .wtxt{min-width:90px} #where b{font-size:15px}}
body.panel-open #toasts{display:none}
header#top .brand span,#top .seg{text-shadow:0 1px 8px rgba(0,0,0,.55)}

/* the opening is a drawing on paper: dark ink text */
body.paper{--ink:#121a24;--dim:#4c5866}
body.paper .ch::before{background:radial-gradient(closest-side,rgba(246,243,236,.85),rgba(246,243,236,.4) 62%,transparent)}
body.paper .ch h2,body.paper .ch p.body{color:#121a24} body.paper .eyebrow{color:#0d7a5f} body.paper .ch h2 em{color:#c76a10} body.paper .ch .tag{color:#9a5208}
body.paper #hint span,body.paper #railT,body.paper #railL{color:#2b3644} body.paper #rail i{background:rgba(18,26,36,.2)}
body.paper #where{background:rgba(250,247,240,.82);border-color:rgba(18,26,36,.18)} body.paper #where b{color:#121a24} body.paper #where span{color:#4c5866} body.paper #where small{color:#0d7a5f}
body.paper #top{text-shadow:none}
body.paper .brand{color:#121a24}
body.paper .seg button:not(.on){color:#aab7c4} body.paper .pill{color:#eef2f6} body.paper .demo-badge{background:rgba(20,26,34,.8)}

/* hotspot markers and the hover popup */
.hl{gap:2px} .hl .nm{padding:0;background:none;border:0;font:600 12px var(--body);color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.9),0 0 12px rgba(0,0,0,.6);white-space:nowrap;letter-spacing:.01em}
.hl .mk{pointer-events:auto;cursor:pointer;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--c);background:rgba(10,14,19,.35);backdrop-filter:blur(3px);box-shadow:0 0 0 3px rgba(0,0,0,.18),0 0 16px color-mix(in srgb,var(--c) 70%,transparent);transition:transform .25s var(--ease),background .25s}
.hl .mk i{width:8px;height:8px;border-radius:50%;background:var(--c);box-shadow:0 0 10px var(--c)}
.hl .mk:hover{transform:scale(1.25);background:rgba(10,14,19,.7)}
body.paper .hl .nm{color:#121a24;text-shadow:none}
#tip{position:fixed;left:0;top:0;z-index:30;width:268px;padding:13px 15px 12px;border-radius:14px;background:linear-gradient(180deg,rgba(24,31,40,.96),rgba(12,17,23,.96));border:1px solid rgba(255,255,255,.13);box-shadow:0 22px 60px rgba(0,0,0,.55),0 0 0 1px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.07);backdrop-filter:blur(14px);pointer-events:none;opacity:0;transition:opacity .18s;will-change:transform}
#tip.on{opacity:1}
#tip::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c);box-shadow:0 0 12px var(--c)}
#tip .tp-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}
#tip .tp-chip{font:600 9.5px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--c);padding:3px 8px;border:1px solid color-mix(in srgb,var(--c) 55%,transparent);border-radius:99px}
#tip .tp-cat{font:500 9.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
#tip b{display:block;font:600 16px/1.2 var(--display);letter-spacing:-.005em;color:#f2f6fa}
#tip p{margin:6px 0 9px;font-size:12.5px;line-height:1.5;color:#b9c5d1}
#tip .tp-w{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:8px;border-top:1px solid rgba(255,255,255,.09);font:500 10px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
#tip .tp-w em{font-style:normal;color:var(--amber)}

/* quieter editorial type: the architecture stays the subject */
.ch{max-width:min(380px,86vw)} .ch h2{font:300 clamp(22px,2.5vw,38px)/1.08 var(--display);letter-spacing:-.015em} .eyebrow{font-size:10px;margin-bottom:10px} .ch p.body{margin-top:12px;font-size:clamp(12.5px,.95vw,14.5px);max-width:36ch;line-height:1.55} .ch .tag{margin-top:12px;font-size:10px}
.ch::before{inset:-34px -48px;background:radial-gradient(closest-side,rgba(8,11,16,.5),rgba(8,11,16,.2) 62%,transparent)}
#tip{width:240px} #right{width:300px}

/* ───────── landing: an architectural drawing on ivory paper ───────── */
#land{position:fixed;inset:0;z-index:4;pointer-events:none;display:flex;align-items:center;padding:0 clamp(20px,5vw,96px);will-change:opacity,transform}
.l-head{max-width:34vw}
.l-eye{font:500 11px var(--mono);letter-spacing:.18em;text-transform:uppercase;color:#6b6358;margin-bottom:22px}
#land h1{font:800 clamp(38px,4.5vw,88px)/.94 var(--display);letter-spacing:-.035em;color:#16130f}
#land h1 em{font-style:normal;color:#b8420a}
.l-sub{margin-top:26px;max-width:30ch;font:400 clamp(14px,1.1vw,18px)/1.55 var(--body);color:#3a352d}
#goStart{pointer-events:auto;margin-top:30px;font:500 11.5px var(--mono);letter-spacing:.18em;border:1px solid #16130f;background:transparent;padding:14px 20px;color:#16130f;cursor:pointer;display:inline-flex;gap:14px;align-items:center;transition:background .25s,color .25s}
#goStart:hover{background:#16130f;color:#f4efe2}
.l-info{position:absolute;left:clamp(20px,5vw,96px);bottom:34px;display:flex;gap:28px;font:500 10.5px var(--mono);letter-spacing:.14em;color:#6b6358;text-transform:uppercase}
#lnav{display:flex;gap:30px;font:500 11px var(--mono);letter-spacing:.18em;text-transform:uppercase}
#lnav a{color:#c6d0db;text-decoration:none;position:relative;padding:4px 0}
#lnav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s}
#lnav a:hover::after{transform:scaleX(1)}
body.paper #lnav a{color:#2b2620}
body.paper .brand span{font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px}
body.mode-story .seg{display:none} body.mode-explore #lnav{display:none}
body.paper .pill{background:transparent;border:1px solid #16130f;color:#16130f} body.paper .demo-badge{display:none}
body.paper::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:3;background:radial-gradient(ellipse at 60% 50%,transparent 55%,rgba(60,48,30,.16) 100%)}
body.paper .ch h2 em{color:#b8420a} body.paper .ch p.body{color:#3a352d}
body.paper .eyebrow{color:#6b6358}
@media(max-width:720px){#land{align-items:flex-start;padding-top:16vh}.l-head{max-width:100%}#land h1{font-size:13.5vw}.l-info{display:none}#lnav{display:none}}
body.landing #where{opacity:0;pointer-events:none} #where{transition:opacity .5s}
body.paper #top{background:linear-gradient(rgba(244,239,226,.94),rgba(244,239,226,.75) 60%,transparent);padding-bottom:26px}