/* ============================================================================
   Boffi Showcase — UI chrome.  Boffi identity, NOT FloorDSGN.
   Near-black theatre · warm graphite cards · one restrained brass accent ·
   thin uppercase tracked sans · museum-label spec cards · lots of air.
   No emoji, no #000.
   ========================================================================== */
:root{
  --bg:#0a0a0b;          /* theatre — very dark graphite, never pure black   */
  --bg-2:#0e0e10;
  --ink:#ECEAE5;         /* warm off-white                                   */
  --ink-2:#b9b6ad;
  --ink-3:#86837b;
  --ink-4:#5b5953;
  --line:rgba(236,234,229,.12);
  --line-2:rgba(236,234,229,.22);
  --card:rgba(18,17,18,.76);
  --card-solid:#141316;
  --accent:#b79a73;      /* the ONE accent — brushed brass / warm stone      */
  --accent-soft:rgba(183,154,115,.38);
  --sans:"Helvetica Neue",Arial,system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
html{background:var(--bg)}
body{
  font-family:var(--sans);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* thin, near-invisible scrollbar — Lenis drives the motion */
body::-webkit-scrollbar{width:0;height:0}
::selection{background:var(--accent-soft);color:var(--ink)}
a{color:inherit;text-decoration:none}

/* shared label type — uppercase, tracked, mono-feel via the grotesque */
.kicker,.lab{
  font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-3);
  font-weight:500;
}

/* ───────────────── stage (fixed canvas) ───────────────── */
#stage{position:fixed;inset:0;z-index:0;display:block}
#stage canvas{display:block;width:100%;height:100%}

/* film vignette + faint grain — adds "expense", reads as a graded frame */
#fx{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(90% 70% at 50% 38%,transparent 44%,rgba(0,0,0,.34) 78%,rgba(0,0,0,.58) 100%),
    linear-gradient(90deg,rgba(183,154,115,.08),transparent 24%,transparent 76%,rgba(80,96,112,.07));
  mix-blend-mode:multiply;opacity:.9}
#fx::after{content:"";position:absolute;inset:0;opacity:.04;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='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ───────────────── top bar ───────────────── */
#bar{position:fixed;top:0;left:0;right:0;z-index:6;display:flex;align-items:center;
  justify-content:space-between;padding:calc(20px + env(safe-area-inset-top)) 30px 22px;pointer-events:none;
  background:linear-gradient(to bottom,rgba(10,10,11,.78),rgba(10,10,11,.24) 62%,transparent)}
#bar .brand{font-size:18px;letter-spacing:.42em;font-weight:600;color:var(--ink);
  pointer-events:auto;padding-left:.42em}
#bar .right{display:flex;align-items:center;gap:18px;pointer-events:auto}
.ctl{background:none;border:0;cursor:pointer;color:var(--ink-3);font-family:var(--sans);
  font-size:10px;letter-spacing:.24em;text-transform:uppercase;transition:color .25s var(--ease);
  display:inline-flex;align-items:center;gap:7px;padding:6px 2px}
.ctl:hover{color:var(--ink)}
.ctl.on{color:var(--accent)}
.lang{display:flex;align-items:center;gap:8px}
.lang button{background:none;border:0;cursor:pointer;font-family:var(--sans);font-size:10px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--ink-4);transition:color .25s}
.lang button.on{color:var(--ink)}
.lang .sep{color:var(--ink-4);font-size:9px}
.snd-dot{width:6px;height:6px;border-radius:50%;border:1px solid currentColor}
.ctl.on .snd-dot{background:var(--accent);border-color:var(--accent)}

/* ───────────────── scroll narration ───────────────── */
#scroll{position:relative;z-index:3;pointer-events:none}
.zone-sec{min-height:104vh;display:flex;align-items:flex-end;padding:0 30px 13vh}
.zone-sec.intro{align-items:center;min-height:108vh}
.zone-sec.outro{align-items:center}
.narr{max-width:440px;opacity:0;transform:translateY(22px);
  transition:opacity 1s var(--ease),transform 1s var(--ease)}
.zone-sec.is-active .narr{opacity:1;transform:none}
.narr .kicker{display:block;margin-bottom:16px;text-shadow:0 1px 16px rgba(0,0,0,.5)}
.narr .kicker .idx{color:var(--accent);margin-right:12px}
.narr h2{font-size:clamp(34px,6vw,68px);line-height:.98;font-weight:500;letter-spacing:-.02em;
  color:var(--ink);text-shadow:0 2px 34px rgba(0,0,0,.55)}   /* soft halo → legible over any 3D brightness */
.narr p{margin-top:18px;font-size:14px;line-height:1.7;color:var(--ink-2);max-width:38ch;
  text-shadow:0 1px 16px rgba(0,0,0,.5)}

/* intro hero */
.zone-sec.intro .narr{max-width:540px;text-align:left;margin:0 auto 0 clamp(32px,8vw,124px)}
.zone-sec.intro h2{font-size:clamp(54px,11vw,132px);letter-spacing:.055em;font-weight:600}
.zone-sec.intro .kicker{text-align:left}
.scroll-hint{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);z-index:5;
  display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none;
  transition:opacity .6s var(--ease)}
.scroll-hint .lab{color:var(--ink-3)}
.scroll-hint .ln{width:1px;height:38px;background:linear-gradient(var(--ink-3),transparent);
  animation:drip 1.8s var(--ease) infinite}
@keyframes drip{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}
  50.1%{transform-origin:bottom}100%{transform:scaleY(.2);transform-origin:bottom}}

/* outro CTA */
.zone-sec.outro .narr{max-width:600px;text-align:center;margin:0 auto;pointer-events:auto}
.zone-sec.outro h2{font-size:clamp(30px,5vw,56px)}
.cta{display:inline-block;margin-top:30px;padding:15px 34px;border:1px solid var(--line-2);
  color:var(--ink);font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  transition:.3s var(--ease);background:rgba(255,255,255,.02)}
.cta:hover{border-color:var(--accent);color:var(--accent);background:rgba(183,154,115,.06)}

/* ───────────────── progress rail + zone ticks ───────────────── */
#rail{position:fixed;right:30px;top:50%;transform:translateY(-50%);z-index:5;
  display:flex;flex-direction:column;gap:14px;align-items:center;pointer-events:none}
#rail .tick{width:9px;height:9px;border-radius:50%;border:1px solid var(--line-2);
  position:relative;transition:.4s var(--ease)}
#rail .tick.on{border-color:var(--accent);background:var(--accent);
  box-shadow:0 0 0 4px rgba(183,154,115,.12)}
#rail .tick .t{position:absolute;right:20px;top:50%;transform:translateY(-50%);
  white-space:nowrap;font-size:9px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-4);opacity:0;transition:.3s}
#rail .tick.on .t{opacity:1;color:var(--ink-2)}

/* ───────────────── hotspots ───────────────── */
#hotspots{position:fixed;inset:0;z-index:4;pointer-events:none}
.hs{appearance:none;-webkit-appearance:none;background:transparent;border:0;border-radius:50%;
  position:absolute;width:34px;height:34px;margin:-17px 0 0 -17px;pointer-events:auto;
  cursor:pointer;display:grid;place-items:center;opacity:0;transform:scale(.6);padding:0;
  color:inherit;font:inherit;
  transition:opacity .5s var(--ease),transform .5s var(--ease)}
.hs:focus{outline:none}
.hs:focus-visible{outline:1px solid var(--accent);outline-offset:6px}
.hs.show{opacity:1;transform:scale(1)}
.hs .ring{width:13px;height:13px;border-radius:50%;border:1px solid rgba(236,234,229,.72);
  position:relative;transition:.3s var(--ease);
  background:radial-gradient(circle at 35% 30%,rgba(236,234,229,.3),rgba(10,10,11,.38));
  box-shadow:0 0 0 1px rgba(10,10,11,.35),0 8px 20px rgba(0,0,0,.32);
  backdrop-filter:blur(2px)}
.hs .ring::after{content:"";position:absolute;inset:0;margin:auto;width:3px;height:3px;
  border-radius:50%;background:rgba(236,234,229,.9);transition:.3s}
.hs:hover .ring{border-color:var(--accent);transform:scale(1.18)}
.hs:hover .ring::after{background:var(--accent)}
.hs.active .ring{border-color:var(--accent);width:16px;height:16px}
.hs.active .ring::after{background:var(--accent);width:5px;height:5px;
  box-shadow:0 0 0 5px rgba(183,154,115,.15)}
.hs .pulse{position:absolute;inset:0;margin:auto;width:13px;height:13px;border-radius:50%;
  border:1px solid rgba(183,154,115,.5);animation:hsp 2.9s var(--ease) infinite;opacity:0}
.hs.show .pulse{opacity:1}
@keyframes hsp{0%{transform:scale(1);opacity:.5}100%{transform:scale(2.6);opacity:0}}

/* leader line from dot → card */
#leader{position:fixed;inset:0;z-index:4;pointer-events:none}
#leader line{stroke:var(--accent);stroke-width:1;opacity:.5}
#leader circle{fill:var(--accent)}

/* ───────────────── material card (museum label) ───────────────── */
#card{position:fixed;z-index:7;width:304px;max-width:calc(100vw - 40px);
  background:var(--card);backdrop-filter:blur(16px) saturate(1.05);
  border:1px solid var(--line-2);border-left:1px solid rgba(183,154,115,.52);padding:22px 22px 20px;
  opacity:0;transform:translateY(10px) scale(.99);pointer-events:none;
  transition:opacity .45s var(--ease),transform .45s var(--ease);
  box-shadow:0 24px 70px -28px rgba(0,0,0,.85)}
#card.show{opacity:1;transform:none;pointer-events:auto}
#card .c-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
#card .c-mat{font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--accent)}
#card .c-close{background:none;border:0;color:var(--ink-4);cursor:pointer;font-size:16px;
  line-height:1;padding:2px 0 0;transition:color .2s}
#card .c-close:hover{color:var(--ink)}
#card h3{margin:9px 0 4px;font-size:19px;font-weight:500;letter-spacing:-.012em;color:var(--ink);
  line-height:1.15}
#card .c-origin{font-size:11px;color:var(--ink-3);letter-spacing:.02em}
#card .c-body{margin:14px 0 2px;font-size:12.25px;line-height:1.58;color:var(--ink-2)}
#card .c-specs{margin-top:18px;border-top:1px solid var(--line);padding-top:4px}
#card .c-row{display:flex;justify-content:space-between;gap:14px;padding:8px 0;
  border-bottom:1px solid var(--line);font-size:11.5px}
#card .c-row:last-child{border-bottom:0}
#card .c-row .k{font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-4)}
#card .c-row .v{color:var(--ink);text-align:right;letter-spacing:-.005em}
/* staged reveal of rows */
#card.show .c-row{animation:rowin .5s var(--ease) backwards}
#card.show .c-row:nth-child(1){animation-delay:.06s}
#card.show .c-row:nth-child(2){animation-delay:.12s}
#card.show .c-row:nth-child(3){animation-delay:.18s}
#card.show .c-row:nth-child(4){animation-delay:.24s}
@keyframes rowin{from{opacity:0;transform:translateX(8px)}to{opacity:1;transform:none}}

/* explode affordance inside card (zone 4) */
#card .c-action{margin-top:18px}
.exp-btn{width:100%;padding:12px;border:1px solid var(--line-2);background:rgba(183,154,115,.05);
  color:var(--ink);font-family:var(--sans);font-size:10px;letter-spacing:.22em;
  text-transform:uppercase;cursor:pointer;transition:.3s var(--ease)}
.exp-btn:hover{border-color:var(--accent);color:var(--accent)}
.exp-btn.on{background:var(--accent);color:#141316;border-color:var(--accent)}

/* ───────────────── boot / intro reveal ───────────────── */
#boot{position:fixed;inset:0;z-index:20;background:var(--bg);display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:26px;
  transition:opacity 1.1s var(--ease),visibility 0s linear 1.1s}
#boot.gone{opacity:0;visibility:hidden}
#boot .bm{font-size:26px;letter-spacing:.5em;font-weight:600;padding-left:.5em;color:var(--ink)}
#boot .bp{width:180px;height:1px;background:var(--line);position:relative;overflow:hidden}
#boot .bp i{position:absolute;left:0;top:0;height:100%;width:0;background:var(--accent);
  transition:width .3s var(--ease)}
#boot .bl{font-size:9px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-4)}

/* ───────────────── mobile ───────────────── */
@media (max-width:760px){
  #bar{padding:calc(14px + env(safe-area-inset-top)) 18px 16px}
  #bar .brand{font-size:15px;letter-spacing:.34em}
  #rail{display:none}
  .zone-sec{padding:0 20px 12vh;min-height:100vh}
  .narr p{font-size:13px}
  #fx{background:radial-gradient(140% 100% at 50% 40%,transparent 46%,rgba(0,0,0,.5) 100%)}
  /* card becomes a bottom sheet */
  .zone-sec.intro .narr{max-width:320px;text-align:center;margin:0 auto}
  .zone-sec.intro .kicker{text-align:center}
  .zone-sec.intro h2{font-size:clamp(50px,17vw,88px);letter-spacing:.05em}
  #card{left:0!important;right:0!important;bottom:0!important;top:auto!important;
    width:100%;max-width:100%;border-left:0;border-right:0;border-bottom:0;
    transform:translateY(100%);border-radius:0;padding:22px 20px calc(20px + env(safe-area-inset-bottom));
    max-height:min(68vh,560px);overflow:auto}
  #card.show{transform:none}
  #leader{display:none}
  .hs{width:42px;height:42px;margin:-21px 0 0 -21px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.18s!important}
  .scroll-hint .ln{animation:none}
}