/* ============================================================ *
 *  DEMEURE — The Loft.  Ultra-luxury overlay UI.
 *  Palette: ink, bone, brass.  Type: Cormorant (display),
 *  Jost (sans), Space Mono (numerals/labels).
 * ============================================================ */
:root{
  --ink:#0b0c0e;
  --ink-2:#121316;
  --bone:#f3efe7;
  --muted:#a7a39a;
  --brass:#c2a268;
  --brass-soft:#d9c08a;
  --line:rgba(243,239,231,0.14);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Jost',system-ui,sans-serif;
  --mono:'Space Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;background:var(--ink);color:var(--bone);font-family:var(--sans);overflow:hidden;overscroll-behavior:none}
body{cursor:none}
@media (hover:none){ body{cursor:auto} }
::selection{background:var(--brass);color:var(--ink)}

#app{position:fixed;inset:0;width:100vw;height:100vh;display:block;touch-action:none}
#app.grabbing{cursor:none}

/* ---------------- cinematic frame: letterbox + vignette + grain ---------------- */
.cinebar{position:fixed;left:0;right:0;height:0;background:#040405;z-index:30;pointer-events:none;
  transition:height 1s cubic-bezier(.16,1,.3,1)}
#bar-top{top:0}
#bar-bottom{bottom:0}
body.cinema .cinebar{height:5.2vh}
#vignette{position:fixed;inset:0;z-index:33;pointer-events:none;
  background:radial-gradient(ellipse 125% 105% at 50% 48%,transparent 56%,rgba(0,0,0,.46) 100%)}
#grain{position:fixed;inset:0;z-index:34;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:170px}

/* ---------------- custom cursor ---------------- */
#cursor,#cursor-ring{position:fixed;top:0;left:0;z-index:90;pointer-events:none;border-radius:50%;mix-blend-mode:difference}
#cursor{width:5px;height:5px;margin:-2.5px;background:var(--bone)}
#cursor-ring{width:34px;height:34px;margin:-17px;border:1px solid rgba(243,239,231,.5);transition:width .3s,height .3s,margin .3s,border-color .3s}
#cursor-ring[data-state="view"]{width:74px;height:74px;margin:-37px;border-color:var(--brass-soft)}
#cursor-ring[data-state="view"]::after{content:'VIEW';position:absolute;inset:0;display:grid;place-items:center;font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:var(--brass-soft);mix-blend-mode:normal}

/* ---------------- top bar ---------------- */
#topbar{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:26px 38px;mix-blend-mode:difference;pointer-events:none}
.brand{font-family:var(--serif);font-size:22px;letter-spacing:.42em;font-weight:500;padding-left:.42em}
.brand-sub{font-size:10px;letter-spacing:.34em;text-transform:uppercase;color:var(--bone);opacity:.7}
.zone{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase}
.zone .zi-index{color:var(--brass-soft)}
.zone .zi-sep{opacity:.4}

/* ---------------- entry hint ---------------- */
#hint{position:fixed;left:50%;bottom:42px;transform:translateX(-50%);z-index:35;
  font-size:12px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;opacity:0;pointer-events:none;text-align:center}
.hint-key{color:var(--bone);border:1px solid var(--line);padding:3px 9px;border-radius:2px;margin:0 2px}

/* ---------------- proximity price card ---------------- */
#product-card{position:fixed;left:42px;bottom:48px;z-index:38;width:min(360px,42vw);opacity:0;pointer-events:none}
.pc-rule{width:46px;height:1px;background:var(--brass);margin-bottom:20px}
.pc-type{font-family:var(--mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--brass-soft);margin-bottom:12px}
.pc-name{font-family:var(--serif);font-weight:300;font-size:clamp(44px,5vw,68px);line-height:.92;letter-spacing:-.01em}
.pc-meta{display:flex;flex-direction:column;gap:3px;margin-top:16px;color:var(--muted);font-size:13px;font-weight:300}
.pc-meta .pc-designer{color:var(--bone)}
.pc-price{margin-top:18px;font-family:var(--mono);font-size:20px;letter-spacing:.08em;color:var(--bone)}
.pc-cta{margin-top:14px;font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}

/* ---------------- focus detail panel ---------------- */
#focus-panel{position:fixed;top:0;right:0;z-index:50;width:min(440px,90vw);height:100%;
  padding:120px 50px 50px;background:linear-gradient(90deg,rgba(11,12,14,0) 0%,rgba(11,12,14,.86) 18%,rgba(11,12,14,.96) 100%);
  backdrop-filter:blur(6px);display:none;flex-direction:column;pointer-events:none}
#focus-panel.show{display:flex;pointer-events:auto}
#fp-close{position:absolute;top:30px;right:38px;background:none;border:none;color:var(--muted);font-family:var(--mono);
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;cursor:pointer;transition:color .3s}
#fp-close:hover{color:var(--bone)}
.fp-type{font-family:var(--mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--brass-soft)}
.fp-name{font-family:var(--serif);font-weight:300;font-size:clamp(56px,7vw,92px);line-height:.9;margin:14px 0 6px;letter-spacing:-.01em}
.fp-price{font-family:var(--mono);font-size:22px;letter-spacing:.06em;margin-bottom:34px}
.fp-line{display:flex;flex-direction:column;gap:4px;padding:16px 0;border-top:1px solid var(--line)}
.fp-k{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.fp-line span:last-child{font-size:15px;font-weight:300}
.fp-story{margin:24px 0 34px;font-family:var(--serif);font-style:italic;font-size:19px;line-height:1.55;color:#d8d3c8}
.fp-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto}
.fp-actions button{font-family:var(--sans);font-size:12px;letter-spacing:.18em;text-transform:uppercase;padding:16px;cursor:pointer;
  border:1px solid var(--brass);background:none;color:var(--bone);transition:all .35s}
.fp-actions .fp-enquire{background:var(--brass);color:var(--ink)}
.fp-actions .fp-enquire:hover{background:var(--brass-soft);border-color:var(--brass-soft)}
.fp-actions .fp-collect:hover{background:rgba(194,162,104,.12)}
/* desktop: details always visible (display:contents keeps the flex layout), toggle hidden */
.fp-details{display:contents}
#fp-toggle{display:none}

/* ---------------- index button + overlay ---------------- */
#index-btn{mix-blend-mode:normal;pointer-events:auto;background:none;border:none;cursor:pointer;color:var(--bone);
  font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;display:flex;gap:7px;align-items:center;
  padding:8px 2px;transition:color .3s}
#index-btn:hover{color:var(--brass-soft)}
#index-btn .ib-count{color:var(--muted)}
.top-right{display:flex;align-items:center;gap:20px}
/* desktop: a small floating circular control, bottom-left */
#audio-toggle{mix-blend-mode:normal;pointer-events:auto;cursor:pointer;color:var(--bone);
  display:flex;align-items:center;justify-content:center;transition:color .3s,border-color .3s;
  position:fixed;left:30px;bottom:74px;z-index:39;width:40px;height:40px;border-radius:50%;
  background:rgba(8,9,10,.45);border:1px solid var(--line);backdrop-filter:blur(8px)}
#audio-toggle:hover{color:var(--brass-soft);border-color:rgba(194,162,104,.5)}
#audio-toggle .w1,#audio-toggle .w2,#audio-toggle .slash{transition:opacity .25s}
#audio-toggle .slash{opacity:0}
#audio-toggle.muted .w1,#audio-toggle.muted .w2{opacity:0}
#audio-toggle.muted .slash{opacity:1}

/* ---------------- credit ---------------- */
#credit{position:fixed;left:38px;bottom:16px;z-index:39;font-family:var(--sans);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);text-decoration:none;pointer-events:auto;transition:color .3s}
#credit b{color:var(--bone);font-weight:500}
#credit:hover{color:var(--brass-soft)}
@media (max-width:760px){ #credit{font-size:9px;left:20px} }

#index-overlay{position:fixed;inset:0;z-index:55;display:none;background:rgba(7,8,9,.94);backdrop-filter:blur(16px);
  padding:120px clamp(28px,7vw,110px) 60px;overflow-y:auto}
#index-close{position:fixed;top:30px;right:38px;z-index:2;background:none;border:none;color:var(--muted);font-family:var(--mono);
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;cursor:pointer;transition:color .3s}
#index-close:hover{color:var(--bone)}
.io-head{margin-bottom:48px;border-bottom:1px solid var(--line);padding-bottom:22px}
.io-title{font-family:var(--serif);font-weight:300;font-size:clamp(40px,6vw,76px);letter-spacing:.01em;line-height:1}
.io-tag{margin-top:14px;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--brass-soft)}
#index-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:14px 56px;align-items:start}
.io-group{break-inside:avoid}
.io-zone{font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);
  margin:6px 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.io-zone span{color:var(--brass-soft);margin-right:8px}
.io-item{display:flex;align-items:baseline;gap:16px;width:100%;background:none;border:none;cursor:pointer;text-align:left;
  padding:13px 8px;border-radius:3px;color:var(--bone);transition:background .3s,padding-left .3s}
.io-item:hover{background:rgba(194,162,104,.08);padding-left:16px}
.io-num{font-family:var(--mono);font-size:12px;color:var(--muted);min-width:24px}
.io-item:hover .io-num{color:var(--brass-soft)}
.io-info{flex:1;display:flex;flex-direction:column;gap:3px}
.io-name{font-family:var(--serif);font-size:24px;font-weight:400;line-height:1}
.io-type{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.io-price{font-family:var(--mono);font-size:13px;color:var(--bone);white-space:nowrap}

/* ---------------- stop counter ---------------- */
#tour-counter{position:fixed;left:38px;bottom:42px;z-index:38;font-family:var(--mono);font-size:13px;letter-spacing:.2em;
  color:var(--bone);opacity:0;display:flex;gap:8px;align-items:baseline;pointer-events:none}
#tour-counter .tc-cur{font-size:26px;color:var(--brass-soft)}
#tour-counter .tc-sep{color:var(--muted)}
#tour-counter .tc-total{color:var(--muted)}

/* ---------------- scroll hint (sits just below the dot bar) ---------------- */
#scroll-hint{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);z-index:37;display:flex;align-items:center;
  gap:8px;font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);opacity:0;pointer-events:none}
#scroll-hint i{font-style:normal;font-size:14px;line-height:1;animation:nudge 1.8s ease-in-out infinite;color:var(--brass-soft)}
@keyframes nudge{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(4px);opacity:1}}

/* ---------------- bottom progress dots ---------------- */
#progress-bar{position:fixed;left:50%;bottom:42px;transform:translateX(-50%);z-index:38;display:flex;align-items:center;
  gap:13px;pointer-events:auto;max-width:90vw}
.pg-dot{position:relative;width:7px;height:7px;padding:0;border:none;border-radius:50%;cursor:pointer;
  background:rgba(243,239,231,.26);transition:transform .3s,background .3s}
.pg-dot:hover{background:var(--brass-soft);transform:scale(1.5)}
.pg-dot.active{background:var(--brass);transform:scale(1.7)}
.pg-dot.active::after{content:'';position:absolute;inset:-5px;border:1px solid rgba(194,162,104,.5);border-radius:50%}
.pg-tip{position:absolute;bottom:230%;left:50%;transform:translateX(-50%) translateY(4px);white-space:nowrap;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--bone);background:rgba(8,9,10,.85);
  border:1px solid var(--line);padding:6px 10px;border-radius:3px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
.pg-dot:hover .pg-tip{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------------- START overlay ---------------- */
#start-overlay{position:fixed;inset:0;z-index:36;display:none;place-items:center;text-align:center;pointer-events:none;
  background:radial-gradient(ellipse 82% 72% at 50% 55%,rgba(6,7,8,.55) 0%,rgba(6,7,8,0) 52%,rgba(6,7,8,.5) 100%)}
.so-kicker{font-family:var(--mono);font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--brass-soft);
  margin-bottom:22px;text-shadow:0 2px 16px rgba(0,0,0,.7)}
#start-overlay h1{font-family:var(--serif);font-weight:300;font-size:clamp(64px,11vw,150px);letter-spacing:.16em;line-height:1;
  padding-left:.16em;text-shadow:0 6px 44px rgba(0,0,0,.55)}
#start-overlay p{margin-top:26px;font-weight:300;font-size:15px;line-height:1.8;color:#ece7dc;letter-spacing:.04em;
  text-shadow:0 2px 20px rgba(0,0,0,.8)}

/* ---------------- preloader ---------------- */
#preloader{position:fixed;inset:0;z-index:80;background:var(--ink);display:grid;place-items:center}
.pl-inner{width:min(520px,84vw);text-align:center}
.pl-brand{font-family:var(--serif);font-size:clamp(40px,7vw,72px);font-weight:300;letter-spacing:.34em;padding-left:.34em}
.pl-tag{margin-top:14px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
#preload-bar{margin:46px 0 14px;height:1px;background:var(--line);overflow:hidden}
#preload-bar span{display:block;height:100%;width:100%;background:var(--brass);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.pl-row{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--muted)}
#enter-btn{margin-top:42px;font-family:var(--sans);font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--ink);
  background:var(--bone);border:none;padding:18px 46px;border-radius:2px;cursor:pointer;opacity:.35;pointer-events:none;transition:opacity .5s,background .35s}
#enter-btn.ready{opacity:1;pointer-events:auto}
#enter-btn.ready:hover{background:var(--brass-soft)}

/* ---------------- webgl fallback ---------------- */
#webgl-fallback{position:fixed;inset:0;z-index:81;background:var(--ink);display:none;place-items:center;text-align:center;padding:30px}
#webgl-fallback.show{display:grid}
#webgl-fallback p{margin-top:24px;max-width:420px;color:var(--muted);line-height:1.7;font-weight:300}

/* ---------------- responsive ---------------- */
@media (max-width:760px){
  #topbar{padding:18px 20px}
  .brand-sub{display:none}
  #product-card{left:20px;right:20px;width:auto;bottom:30px}
  #hint{bottom:24px;font-size:10px}

  /* mobile: audio toggle stays in the top bar (reset the desktop floating style) */
  #audio-toggle{position:static;width:auto;height:auto;border-radius:0;background:none;border:none;backdrop-filter:none;z-index:auto;padding:4px}

  /* product panel becomes a BOTTOM SHEET — the product stays visible above it */
  #focus-panel{
    top:auto; bottom:0; left:0; right:0;
    width:100%; height:auto; max-height:52vh;
    padding:20px 22px calc(24px + env(safe-area-inset-bottom));
    background:linear-gradient(180deg,rgba(11,12,14,0) 0%,rgba(11,12,14,.9) 16%,rgba(11,12,14,.98) 100%);
    backdrop-filter:blur(8px);overflow-y:auto;
  }
  .fp-type{font-size:10px;padding-right:96px}
  .fp-name{font-size:clamp(34px,9vw,48px);margin:8px 0 4px}
  .fp-price{font-size:18px;margin-bottom:4px}
  .fp-line{padding:11px 0}
  .fp-line span:last-child{font-size:14px}
  .fp-story{font-size:14px;line-height:1.5;margin:14px 0 20px}
  .fp-actions{margin-top:6px}
  .fp-actions button{padding:13px;font-size:11px}

  /* accordion: essentials shown, details expand on tap */
  #fp-toggle{display:flex;align-items:center;gap:8px;position:absolute;top:16px;right:20px;z-index:2;
    background:rgba(194,162,104,.12);border:1px solid var(--line);color:var(--bone);font-family:var(--mono);
    font-size:10px;letter-spacing:.16em;text-transform:uppercase;padding:8px 13px;border-radius:100px;cursor:pointer}
  #fp-toggle .fpt-chev{font-style:normal;font-size:13px;line-height:1;transition:transform .35s}
  #focus-panel.expanded #fp-toggle .fpt-chev{transform:rotate(180deg)}
  .fp-details{display:block;max-height:0;opacity:0;overflow:hidden;
    transition:max-height .5s cubic-bezier(.16,1,.3,1),opacity .35s}
  #focus-panel.expanded .fp-details{max-height:64vh;opacity:1}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
}