/* ---------- 3D hero ---------- */
.hero3d{height:460vh;position:relative}
.hero3d .stick{position:sticky;top:0;height:100vh;overflow:hidden;background:#0d0b09}
#towerCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero3d .shade{position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(90deg,rgba(13,11,9,.55) 0%,rgba(13,11,9,0) 42%),
  linear-gradient(180deg,rgba(13,11,9,.45) 0%,rgba(13,11,9,0) 25%,rgba(13,11,9,0) 70%,rgba(13,11,9,.8) 100%)}
.hero3d .title{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);text-align:center;pointer-events:none;will-change:transform,opacity}
.hero3d h1{font-family:var(--serif);font-weight:300;font-size:clamp(56px,13vw,210px);letter-spacing:.14em;line-height:.95;margin-top:18px;padding-left:.14em;text-shadow:0 10px 60px rgba(0,0,0,.4)}
.hero3d .sub{font-family:var(--serif);font-style:italic;font-size:clamp(18px,2.2vw,28px);margin-top:18px;opacity:.9}
.chapter{position:absolute;left:clamp(16px,6vw,96px);bottom:16vh;max-width:500px;opacity:0;pointer-events:none;will-change:transform,opacity}
.chapter h2{font-family:var(--serif);font-weight:300;font-size:clamp(34px,4.4vw,64px);line-height:1.04;margin-top:18px}
.chapter p{color:var(--cream-2);margin-top:16px;line-height:1.7;font-size:15px}
.hud{position:absolute;right:clamp(16px,4vw,56px);bottom:34px;text-align:right;font-size:11px;letter-spacing:.26em;color:var(--cream-2);text-transform:uppercase;pointer-events:none}
.hud b{display:block;font-family:var(--serif);font-size:30px;letter-spacing:0;color:var(--cream);font-weight:400}
.hud .tod{margin-top:10px;display:flex;gap:8px;justify-content:flex-end;align-items:center}
.hud .tod i{width:7px;height:7px;border-radius:50%;background:var(--gold)}
.loading{position:absolute;inset:0;display:grid;place-items:center;background:#0d0b09;z-index:5;transition:opacity 1s}
.loading.done{opacity:0;pointer-events:none}
.loading span{font-size:11px;letter-spacing:.5em;color:var(--gold);text-transform:uppercase;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.3}}
.nogl{position:absolute;inset:0;background-size:cover;background-position:center}

/* ---------- 3D residence ---------- */
.res{padding:clamp(90px,12vh,140px) 0 clamp(70px,10vh,110px);background:var(--ink)}
.res .head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:34px}
.res .head p{max-width:400px;color:var(--cream-2);line-height:1.8;font-size:14.5px}
.res .stage{position:relative;display:grid;grid-template-columns:1fr 360px;border:1px solid var(--line);border-radius:8px;overflow:hidden;height:min(78vh,760px);min-height:520px;
  background:radial-gradient(120% 90% at 40% 40%,#2a231b 0%,#120f0c 70%)}
.res .view{position:relative;cursor:grab;touch-action:pan-y}
.res .view:active{cursor:grabbing}
#resCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.tools{position:absolute;left:18px;top:18px;display:flex;gap:6px;flex-wrap:wrap;z-index:2}
.tools button{border:1px solid var(--line);background:rgba(13,11,9,.55);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  padding:9px 14px;border-radius:999px;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;cursor:pointer;color:var(--cream-2);transition:.3s}
.tools button:hover{color:var(--cream);border-color:var(--cream-3)}
.tools button.on{background:var(--cream);color:var(--ink);border-color:var(--cream)}
.zoom{position:absolute;right:18px;bottom:18px;display:flex;flex-direction:column;gap:6px;z-index:2}
.zoom button{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:rgba(13,11,9,.55);font-size:18px;cursor:pointer;color:var(--cream)}
.zoom button:hover{border-color:var(--gold)}
.hint{position:absolute;left:18px;bottom:18px;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--cream-3);pointer-events:none;z-index:2}
.tip{position:absolute;z-index:3;pointer-events:none;padding:7px 12px;border-radius:999px;background:var(--cream);color:var(--ink);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  transform:translate(-50%,-150%);opacity:0;transition:opacity .2s;white-space:nowrap}
.tip.on{opacity:1}
.panel{border-left:1px solid var(--line);background:rgba(22,18,14,.85);display:flex;flex-direction:column;min-height:0}
.panel .ph{height:200px;flex:none;background:linear-gradient(135deg,#3a3026,#1c1712);background-size:cover;background-position:center;position:relative;transition:background-image .4s}
.panel .ph em{position:absolute;left:16px;bottom:14px;font-style:normal;font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--cream-2)}
.panel .bd{padding:22px 24px;overflow:auto;flex:1;min-height:0}
.panel h3{font-family:var(--serif);font-weight:400;font-size:34px;line-height:1.05;margin-top:10px}
.panel p{color:var(--cream-2);font-size:14px;line-height:1.7;margin-top:12px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:20px}
.chips button{border:1px solid var(--line);background:transparent;padding:7px 11px;border-radius:999px;font-size:11px;cursor:pointer;color:var(--cream-2);transition:.25s}
.chips button:hover{border-color:var(--gold);color:var(--cream)}
.chips button.on{background:var(--gold);border-color:var(--gold);color:var(--ink);font-weight:700}
.disclaim{font-size:11px;color:var(--cream-3);margin-top:18px;line-height:1.5}

@media (max-width:900px){
  .res .stage{grid-template-columns:1fr;grid-template-rows:56vh auto;height:auto}
  .panel{border-left:0;border-top:1px solid var(--line)}
  .panel .ph{height:160px}
  .hint{display:none}
}