/* XECTRO — bismuth prototype */
:root{
  --sans:"Helvetica Neue","Neue Haas Grotesk Text Pro","Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular","Roboto Mono","Menlo","Consolas",monospace;
  --gutter:clamp(20px,4vw,64px);
  --header-h:84px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --facet-ease:cubic-bezier(.76,0,.24,1);
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:#070809}
html{color-scheme:dark}
html[data-theme="light"]{color-scheme:light}
body{overflow:hidden;font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button{font:inherit;color:inherit}
a{color:inherit}
[hidden]{display:none!important}
::selection{background:#7ce4df;color:#070809}
:focus-visible{outline:1px solid var(--accent);outline-offset:4px}

.site{
  --bg:#070809; --fg:#ebe7df; --muted:#a09c94; --faint:#75756f;
  --line:rgba(235,231,223,.16); --line-strong:rgba(235,231,223,.32);
  --panel:#08090a; --panel-2:#0d1011;
  --accent:#7ce4df; --accent-2:#d46bff; --gold:#edc071;
  --crystal-filter:saturate(1.85) contrast(1.03) brightness(.9);
  --crystal-opacity:.76; --crystal-blend:normal;
  --scrim:linear-gradient(90deg,rgba(7,8,9,.98) 0%,rgba(7,8,9,.9) 34%,rgba(7,8,9,.34) 72%,rgba(7,8,9,.8) 100%),linear-gradient(180deg,rgba(7,8,9,.55) 0%,transparent 26%,transparent 62%,rgba(7,8,9,.92) 100%);
  position:fixed;inset:0;isolation:isolate;background:var(--bg);color:var(--fg);overflow:hidden;
}
html[data-theme="light"] .site{
  --bg:#f1eee7; --fg:#171416; --muted:#5f5b55; --faint:#8b867d;
  --line:rgba(23,20,22,.15); --line-strong:rgba(23,20,22,.3);
  --panel:#f1eee7; --panel-2:#e8e3da;
  --accent:#0d8e89; --accent-2:#a43b9b; --gold:#8f6423;
  --crystal-filter:saturate(1.9) grayscale(0) brightness(1.07) contrast(.92);
  --crystal-opacity:.52; --crystal-blend:normal;
  --scrim:linear-gradient(90deg,rgba(241,238,231,.95) 0%,rgba(241,238,231,.8) 34%,rgba(241,238,231,.2) 70%,rgba(241,238,231,.44) 100%);
}

.site-grain{position:absolute;inset:0;z-index:20;pointer-events:none;opacity:.07;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' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");mix-blend-mode:soft-light}

/* header */
.topbar{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;align-items:center;justify-content:space-between;height:var(--header-h);padding:0 var(--gutter);border-bottom:1px solid transparent;transition:background .4s,border-color .4s,backdrop-filter .4s}
.topbar::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--bg) 0%,rgba(7,8,9,.62) 50%,transparent 100%);opacity:.7;pointer-events:none}
html[data-theme="light"] .topbar::before{background:linear-gradient(180deg,rgba(241,238,231,.98) 0%,rgba(241,238,231,.66) 50%,transparent 100%)}
.topbar-left,.topbar-right{display:flex;align-items:center}
.topbar-left{gap:clamp(18px,2.4vw,38px)}
.topbar-right{gap:clamp(18px,2vw,30px)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.14em}
.brand-mark{width:21px;height:21px;color:var(--accent)}
.menu-button{display:inline-flex;align-items:center;gap:10px;border:0;background:none;padding:6px 0;color:var(--muted);font:9px/1 var(--mono);letter-spacing:.13em;text-transform:uppercase;cursor:pointer;transition:color .25s}
.menu-button:hover{color:var(--fg)}
.menu-button i{position:relative;display:block;width:15px;height:9px}
.menu-button i::before,.menu-button i::after{content:"";position:absolute;left:0;width:100%;height:1px;background:currentColor;transition:transform .25s}
.menu-button i::before{top:2px}.menu-button i::after{bottom:2px}
.local-time{display:flex;align-items:baseline;gap:9px;color:var(--muted);font:9px/1 var(--mono);letter-spacing:.12em;white-space:nowrap}
.local-time b{color:var(--faint);font-weight:400}
.local-time span{color:var(--fg);font-size:11px;letter-spacing:.06em}
.theme-button{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;background:transparent;padding:7px 10px;color:var(--muted);font:8px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:color .25s,border-color .25s}
.theme-button:hover{color:var(--fg);border-color:var(--line-strong)}
.theme-icon{display:block;width:11px;height:11px;border:1px solid currentColor;border-radius:50%;background:linear-gradient(90deg,currentColor 50%,transparent 50%)}

/* stage + page */
.stage{position:absolute;inset:0;z-index:2;overflow:hidden}
.page{position:absolute;inset:0;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .7s var(--ease),visibility .7s}
.page.is-active{opacity:1;visibility:visible;pointer-events:auto}
.page-bg{position:absolute;inset:0;overflow:hidden;background:var(--bg)}
.page-bg::before{content:"";position:absolute;inset:-6%;background-image:url("bismuth-master.webp");background-repeat:no-repeat;background-size:var(--crystal-size,130% auto);background-position:var(--crystal-pos,55% 42%);filter:var(--crystal-filter);opacity:var(--crystal-opacity);mix-blend-mode:var(--crystal-blend);transform:scale(var(--crystal-scale,1)) rotate(var(--crystal-rotate,0deg));transition:filter .5s,opacity .5s}
.page-bg::after{content:"";position:absolute;inset:0;background:var(--scrim)}
.page--index{--crystal-size:126% auto;--crystal-pos:58% 40%;--crystal-scale:1.02;--crystal-rotate:-3deg}
.page--work{--crystal-size:210% auto;--crystal-pos:60% 44%;--crystal-scale:1;--crystal-rotate:-8deg}
.page--studio{--crystal-size:160% auto;--crystal-pos:65% 35%;--crystal-scale:1.04;--crystal-rotate:4deg}
.page--contact{--crystal-size:255% auto;--crystal-pos:48% 62%;--crystal-scale:1;--crystal-rotate:-14deg}
.page--work .page-bg{background:radial-gradient(circle at 80% 50%,rgba(212,107,255,.08),transparent 44%),var(--bg)}
.page--studio .page-bg::after{background:linear-gradient(90deg,var(--bg) 0%,rgba(7,8,9,.55) 34%,rgba(7,8,9,.18) 72%,var(--bg) 100%)}
html[data-theme="light"] .page--studio .page-bg::after{background:linear-gradient(90deg,rgba(241,238,231,.98) 0%,rgba(241,238,231,.72) 40%,rgba(241,238,231,.35) 76%,rgba(241,238,231,.78) 100%)}

.page-inner{position:relative;z-index:2;height:100%;padding:calc(var(--header-h) + clamp(24px,4vh,54px)) var(--gutter) 30px;display:flex;flex-direction:column}
.eyebrow{margin:0;color:var(--muted);font:9px/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase}
.eyebrow span{color:var(--accent)}
.mono{font:9px/1.45 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* index */
.index-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,290px);grid-template-rows:auto 1fr auto;gap:20px clamp(28px,5vw,96px)}
.index-inner .eyebrow{grid-column:1/-1}
.index-copy{align-self:center;max-width:900px}
.index-copy h1{margin:0;font-size:clamp(68px,12.4vw,192px);font-weight:600;line-height:.82;letter-spacing:-.085em}
.index-copy h1 span{color:var(--muted)}
.lede{max-width:430px;margin:clamp(24px,4vh,48px) 0 0;color:var(--muted);font-size:clamp(12px,1.1vw,15px);line-height:1.7}
.index-spec{align-self:end;justify-self:end;width:100%;max-width:290px;padding-bottom:18px}
.index-spec .mono{margin:0 0 14px;color:var(--faint)}
.index-spec dl{margin:0;border-top:1px solid var(--line)}
.index-spec dl div{display:flex;justify-content:space-between;gap:18px;padding:9px 0;border-bottom:1px solid var(--line)}
.index-spec dt,.index-spec dd{margin:0;font:8px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.index-spec dt{color:var(--faint)}.index-spec dd{color:var(--fg)}
.index-enter{display:flex;justify-content:space-between;align-items:center;gap:20px;width:100%;margin:18px 0 0;padding:13px 0 0;border:0;border-top:1px solid var(--line);background:none;color:var(--fg);font:9px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;cursor:pointer}
.index-enter span{color:var(--accent);font-size:16px}

/* work */
.page-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,310px);column-gap:var(--gutter);align-items:end}
.page-head .eyebrow{grid-column:1/-1;margin-bottom:clamp(16px,3vh,30px)}
.page-head h2{margin:0;font-size:clamp(54px,8vw,132px);font-weight:600;line-height:.82;letter-spacing:-.075em}
.page-head h2 span{color:var(--muted)}
.page-note{justify-self:end;align-self:end;max-width:300px;margin:0 0 8px;color:var(--muted);font-size:12px;line-height:1.65}
.work-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,3vw,50px);margin-top:clamp(26px,5vh,64px)}
.specimen{display:block;text-decoration:none;min-width:0}
.specimen-image{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--panel-2)}
.specimen-image::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 58%,rgba(0,0,0,.35));pointer-events:none}
.specimen-image img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.82) contrast(1.04);transition:transform .7s var(--ease),filter .5s}
.specimen:hover .specimen-image img{transform:scale(1.025);filter:saturate(1) contrast(1.04)}
.specimen-meta{display:flex;justify-content:space-between;gap:20px;margin-top:12px;color:var(--faint);font:8px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.specimen-meta span:last-child{color:var(--accent)}
.specimen h3{margin:10px 0 0;font-size:clamp(15px,1.45vw,21px);font-weight:500;letter-spacing:-.02em}
.specimen p{margin:8px 0 0;max-width:440px;color:var(--muted);font-size:11px;line-height:1.65}

/* studio */
.page--studio .page-head{grid-template-columns:minmax(0,1.2fr) minmax(220px,300px)}
.principles{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,3vw,46px);margin:clamp(30px,6vh,76px) 0 0;padding:0}
.principles li{padding-top:13px;border-top:1px solid var(--line)}
.principles .mono{color:var(--accent)}
.principles h3{margin:clamp(18px,3vh,34px) 0 0;font-size:clamp(15px,1.35vw,19px);font-weight:500;letter-spacing:-.02em}
.principles p{max-width:260px;margin:10px 0 0;color:var(--muted);font-size:11px;line-height:1.7}

/* contact */
.contact-head{display:block;max-width:1050px}
.contact-head h2{font-size:clamp(72px,12.6vw,190px)}
.contact-head .page-note{justify-self:start;margin:clamp(24px,4vh,48px) 0 0;max-width:360px}
.contact-link{display:inline-flex;align-items:center;gap:18px;margin-top:clamp(24px,4vh,42px);padding:12px 0;border-bottom:1px solid var(--line-strong);color:var(--fg);font:10px/1 var(--mono);letter-spacing:.12em;text-decoration:none;text-transform:uppercase}
.contact-link span{color:var(--accent);font-size:17px}

/* footer */
.page-foot{display:flex;justify-content:space-between;gap:20px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);color:var(--faint)}
.page-foot .mono{color:var(--faint)}

/* menu */
.menu{--menu-w:30vw;--menu-top:8rem;--menu-h:calc(100svh - 16rem);position:fixed;inset:0;z-index:50;overflow:hidden;pointer-events:none;background:transparent}
.menu.is-open{pointer-events:all}
.menu-panels{position:absolute;inset:0;z-index:0;pointer-events:none}
.menu-panel{position:absolute;display:block;background:var(--panel);transition:transform 1.2s var(--facet-ease),opacity .4s var(--ease);will-change:transform}
.menu-panel--top{top:0;left:0;width:100%;height:var(--menu-top);transform:translateY(-101%)}
.menu-panel--bottom{top:calc(var(--menu-top) + var(--menu-h));right:0;bottom:0;left:0;transform:translateY(101%)}
.menu-panel--left{top:var(--menu-top);left:0;width:calc((100vw - var(--menu-w))/2);height:var(--menu-h);transform:translateX(-101%)}
.menu-panel--right{top:var(--menu-top);right:0;width:calc((100vw - var(--menu-w))/2);height:var(--menu-h);transform:translateX(101%)}
.menu.is-open .menu-panel{transform:none}
.menu-facet{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;overflow:hidden;background:var(--bg);transform:translateY(100%);clip-path:inset(0 0 0 0);transition:transform 1.2s var(--facet-ease),clip-path 1.2s var(--facet-ease);pointer-events:auto;cursor:pointer;border-radius:16px}
.menu.is-open .menu-facet{transform:translateY(0);clip-path:inset(15% 35% 15% 35% round 16px)}
.menu.is-leaving .menu-facet{transform:translateY(0);clip-path:inset(0 0 0 0 round 0);transition:clip-path .8s var(--facet-ease),transform .8s var(--facet-ease)}
.menu.is-leaving .menu-panel{opacity:0;transform:translateY(-101%)}
.menu.is-leaving .menu-panel--bottom{transform:translateY(101%)}
.menu.is-leaving .menu-panel--left{transform:translateX(-101%)}
.menu.is-leaving .menu-panel--right{transform:translateX(101%)}
.facet-layer{position:absolute;inset:0;background-image:url("bismuth-master.webp");background-repeat:no-repeat;opacity:0;filter:var(--crystal-filter);mix-blend-mode:var(--crystal-blend);transition:opacity .5s var(--ease);pointer-events:none}
.facet-layer.is-active{opacity:1}
.facet-layer[data-facet="index"]{background-size:126% auto;background-position:58% 40%}
.facet-layer[data-facet="work"]{background-size:210% auto;background-position:60% 44%}
.facet-layer[data-facet="studio"]{background-size:160% auto;background-position:65% 35%}
.facet-layer[data-facet="contact"]{background-size:255% auto;background-position:48% 62%}
.menu-top,.menu-nav,.menu-bottom{position:absolute;z-index:3;left:var(--gutter);width:calc((100vw - var(--menu-w))/2 - var(--gutter)*2);opacity:0;transition:opacity .35s var(--ease),transform .8s var(--ease)}
.menu-top{top:24px;display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--line);transform:translateX(-150px)}
.menu-nav{top:50%;display:flex;flex-direction:column;transform:translate(-150px,-50%)}
.menu-bottom{bottom:24px;display:flex;justify-content:space-between;gap:20px;transform:translateX(-150px)}
.menu.is-open .menu-top,.menu.is-open .menu-bottom{opacity:1;transform:none;transition-delay:.5s}
.menu.is-open .menu-nav{opacity:1;transform:translate(0,-50%);transition-delay:.5s}
.menu.is-leaving .menu-top,.menu.is-leaving .menu-nav,.menu.is-leaving .menu-bottom{opacity:0;transition-delay:0s}
.menu-close{display:inline-flex;align-items:center;gap:12px;border:0;background:none;padding:4px 0;color:var(--fg);font:9px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;cursor:pointer}
.menu-close b{color:var(--accent);font-size:20px;font-weight:400;line-height:.7}
.menu-nav a{position:relative;display:flex;align-items:baseline;gap:18px;width:fit-content;padding:7px 0;color:var(--muted);font-size:clamp(42px,4.2vw,68px);font-weight:500;line-height:.95;letter-spacing:-.06em;text-decoration:none;transition:color .24s}
.menu-nav a>span:first-child{width:20px;color:var(--accent);font:9px/1 var(--mono);letter-spacing:.1em}
.menu-nav a .label{position:relative;display:inline-block}
.menu-nav a .label::after{content:"";position:absolute;left:0;bottom:-.08em;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.menu-nav a i{font:10px/1 var(--mono);font-style:normal;color:var(--accent);opacity:0;transform:translate(-4px,4px);transition:opacity .25s,transform .25s}
.menu-nav a:hover,.menu-nav a:focus-visible{color:var(--fg)}
.menu-nav a:hover .label::after,.menu-nav a:focus-visible .label::after{transform:scaleX(1)}
.menu-nav a:hover i,.menu-nav a:focus-visible i{opacity:1;transform:none}
.menu-nav a[aria-current="page"] .label::after{transform:scaleX(1);background:var(--accent)}
.menu-nav a[aria-current="page"]{color:var(--fg)}
.menu-bottom .mono{color:var(--faint)}

@media (max-width:1100px) and (min-width:901px){
  .menu{--menu-w:34vw}
  .menu-nav a{font-size:clamp(36px,4vw,54px)}
}
@media (max-width:900px){
  :root{--header-h:64px}
  .topbar{padding:0 16px}
  .brand{font-size:12px}
  .brand-mark{width:18px;height:18px}
  .topbar-left{gap:16px}.topbar-right{gap:12px}
  .local-time b{display:none}.local-time span{font-size:10px}
  .theme-button{padding:6px 8px}.theme-button [data-theme-label]{display:none}
  .page-inner{padding:calc(var(--header-h) + 24px) 18px 20px;overflow-y:auto}
  .index-inner{display:flex;flex-direction:column;gap:24px}
  .index-inner .eyebrow{order:0}
  .index-copy h1{font-size:clamp(58px,18vw,104px)}
  .lede{font-size:12px;margin-top:20px}
  .index-spec{max-width:none;margin-top:auto;padding-bottom:10px}
  .index-spec dl{display:grid;grid-template-columns:repeat(3,1fr)}
  .index-spec dl div{display:block;padding:8px 0}.index-spec dd{margin-top:5px}
  .page-head{display:block}
  .page-head h2{font-size:clamp(48px,16vw,92px)}
  .page-note{margin-top:18px;max-width:none}
  .work-grid{grid-template-columns:1fr;gap:26px;margin-top:26px}
  .specimen-image{aspect-ratio:16/10}
  .principles{grid-template-columns:1fr;gap:20px;margin-top:28px}
  .contact-head h2{font-size:clamp(62px,19vw,112px)}
  .page-foot{font-size:8px;gap:10px}.page-foot .mono{font-size:8px}
  .menu{width:100%;background:var(--panel)}
  .menu-panels,.menu-facet{display:none}
  .menu-top,.menu-nav,.menu-bottom{position:static;width:auto;opacity:1;transform:none;transition:none}
  .menu{display:flex;flex-direction:column;padding:20px 18px;opacity:0;transition:opacity .3s}
  .menu.is-open{opacity:1}
  .menu.is-leaving{opacity:0;transition:opacity .35s}
  .menu-top{padding-bottom:18px}
  .menu-nav{margin-top:9vh;gap:0}
  .menu-nav a{font-size:clamp(42px,13vw,66px);padding:9px 0}
  .menu-bottom{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.001s!important;animation-duration:.001s!important}
}

html[data-theme="dark"] .page--index{--crystal-opacity:.78}
html[data-theme="dark"] .page--work{--crystal-opacity:.66}
html[data-theme="dark"] .page--studio{--crystal-opacity:.66}
html[data-theme="dark"] .page--contact{--crystal-opacity:.7}
html[data-theme="dark"] .page--index .page-bg::after{background:linear-gradient(90deg,rgba(7,8,9,.99) 0%,rgba(7,8,9,.93) 34%,rgba(7,8,9,.3) 72%,rgba(7,8,9,.78) 100%),linear-gradient(180deg,rgba(7,8,9,.5) 0%,transparent 24%,transparent 58%,rgba(7,8,9,.94) 100%)}
html[data-theme="dark"] .page--work .page-bg::after{background:linear-gradient(90deg,rgba(7,8,9,.99) 0%,rgba(7,8,9,.9) 34%,rgba(7,8,9,.46) 72%,rgba(7,8,9,.8) 100%),linear-gradient(180deg,rgba(7,8,9,.62) 0%,transparent 25%,transparent 54%,rgba(7,8,9,.96) 100%)}
html[data-theme="dark"] .page--studio .page-bg::after{background:linear-gradient(90deg,rgba(7,8,9,.98) 0%,rgba(7,8,9,.88) 35%,rgba(7,8,9,.35) 72%,rgba(7,8,9,.82) 100%),linear-gradient(180deg,rgba(7,8,9,.54) 0%,transparent 26%,transparent 62%,rgba(7,8,9,.94) 100%)}
html[data-theme="dark"] .page--contact .page-bg::after{background:linear-gradient(90deg,rgba(7,8,9,.99) 0%,rgba(7,8,9,.85) 34%,rgba(7,8,9,.34) 72%,rgba(7,8,9,.78) 100%),linear-gradient(180deg,rgba(7,8,9,.58) 0%,transparent 24%,transparent 56%,rgba(7,8,9,.95) 100%)}

@media (max-width:900px){
  .menu.is-open .menu-nav {transform:none;}
  .menu.is-open .menu-top,
  .menu.is-open .menu-bottom {transform:none;}
}


/* page content enters after the facet has expanded */
.page.is-arriving .page-inner > *{
  animation:pageIn .95s var(--ease) both;
}
.page.is-arriving .page-inner > *:nth-child(2){animation-delay:.08s}
.page.is-arriving .page-inner > *:nth-child(3){animation-delay:.16s}
.page.is-arriving .page-inner > *:nth-child(4){animation-delay:.24s}
@keyframes pageIn{
  from{opacity:0;transform:translate3d(0,16px,0)}
  to{opacity:1;transform:translate3d(0,0,0)}
}
.menu.is-revealing .menu-facet{
  opacity:0;
  transition:opacity 1s var(--ease);
}
.menu.is-leaving .menu-facet,
.menu.is-open .menu-facet{will-change:transform,clip-path,opacity}
.menu.is-leaving .menu-panel{will-change:transform,opacity}
.menu.is-leaving .menu-nav,.menu.is-leaving .menu-top,.menu.is-leaving .menu-bottom{will-change:opacity,transform}

/* Work: four compact cards in two rows; two real links, two empty slots */
.page--work .work-grid{
  grid-template-columns:repeat(2,minmax(0,330px));
  gap:22px 28px;
  margin-top:26px;
}
.page--work .specimen-image{aspect-ratio:16/9}
.page--work .specimen h3{font-size:clamp(14px,1.2vw,18px)}
.page--work .specimen p{font-size:10px;line-height:1.55;margin-top:6px}
.page--work .specimen-meta{margin-top:9px}
.specimen--empty{cursor:default;pointer-events:none}
.specimen--empty .specimen-image{
  display:grid;place-items:center;
  background:
    linear-gradient(135deg,rgba(124,228,223,.08),transparent 46%),
    repeating-linear-gradient(135deg,var(--line) 0 1px,transparent 1px 15px),
    var(--panel-2);
}
.specimen--empty .specimen-image::after{display:none}
.specimen--empty .specimen-image span{
  position:relative;z-index:1;color:var(--faint);
  font:9px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;
}
.specimen--empty .specimen-meta span:last-child{color:var(--faint)}
.specimen--empty h3{color:var(--faint);font-weight:400}
@media (max-width:900px){
  .page--work .work-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .page--work .specimen h3{font-size:15px}
}
@media (max-width:520px){
  .page--work .work-grid{grid-template-columns:1fr}
}
@media (max-height:900px) and (min-width:901px){
  .page--work .page-inner{padding-top:calc(var(--header-h) + 18px);padding-bottom:16px}
  .page--work .page-head h2{font-size:clamp(42px,6vw,86px)}
  .page--work .page-head .eyebrow{margin-bottom:12px}
  .page--work .work-grid{margin-top:14px;gap:12px 20px;grid-template-columns:repeat(2,minmax(0,280px))}
  .page--work .specimen p{display:none}
}

/* Keep the empty slots the same card height as real specimens */
.page--work .work-grid{grid-auto-rows:1fr}

/* Homepage: one complete crystal, moderate scale; inner pages keep the previous restrained finish. */
.page--index{
  --crystal-size: min(58vw, 900px) auto;
  --crystal-pos: 72% 52%;
  --crystal-scale: 1;
  --crystal-rotate: -4deg;
}
.page--index .page-bg::before{
  background-repeat:no-repeat;
  background-color:transparent;
}
.page--work .page-bg::before,
.page--studio .page-bg::before,
.page--contact .page-bg::before{
  background-image:url("bismuth-master-mono.webp");
}
.facet-layer[data-facet="work"],
.facet-layer[data-facet="studio"],
.facet-layer[data-facet="contact"]{
  background-image:url("bismuth-master-mono.webp");
}
/* keep the homepage scale stable across themes */
html[data-theme="light"] .page--index .page-bg::before{
  background-size:min(58vw, 900px) auto;
  background-position:72% 52%;
}

/* Homepage crystal reads as a complete object, not a cropped field */
html[data-theme="dark"] .page--index .page-bg::before{
  filter:saturate(1.8) brightness(1.02) contrast(1.02);
  opacity:.9;
}
html[data-theme="light"] .page--index .page-bg::before{
  filter:saturate(1.75) grayscale(0) brightness(1.06) contrast(.9);
  opacity:.54;
}

/* Homepage: complete square hopper cluster, not a crop. */
.page--index .page-bg::before{
  background-image:url("bismuth-home-cluster.webp");
  background-size:min(52vw, 760px) auto;
  background-position:72% 54%;
  background-repeat:no-repeat;
  --crystal-rotate:-7deg;
}
.facet-layer[data-facet="index"]{
  background-image:url("bismuth-home-cluster.webp");
  background-size:contain;
  background-position:center;
  background-repeat:no-repeat;
}

/* Homepage light-mode cluster: keep the metallic color instead of washing it out. */
html[data-theme="light"] .page--index .page-bg::before{
  filter:saturate(1.8) brightness(.92) contrast(.9);
  opacity:.6;
  mix-blend-mode:multiply;
}
/* Inner pages: the previous restrained silver treatment, visibly monochrome. */
html[data-theme="dark"] .page--work .page-bg::before,
html[data-theme="dark"] .page--studio .page-bg::before,
html[data-theme="dark"] .page--contact .page-bg::before{
  filter:saturate(.12) brightness(.7) contrast(1.08);
}
html[data-theme="light"] .page--work .page-bg::before,
html[data-theme="light"] .page--studio .page-bg::before,
html[data-theme="light"] .page--contact .page-bg::before{
  filter:grayscale(.8) brightness(1.2) contrast(.82);
}
.facet-layer[data-facet="work"],
.facet-layer[data-facet="studio"],
.facet-layer[data-facet="contact"]{
  filter:saturate(.15) brightness(.8);
}
html[data-theme="light"] .facet-layer[data-facet="work"],
html[data-theme="light"] .facet-layer[data-facet="studio"],
html[data-theme="light"] .facet-layer[data-facet="contact"]{
  filter:grayscale(.8) brightness(1.2);
}


/* Homepage: real bismuth macro photograph, complete cluster. */
.page--index .page-bg::before{
  background-image:url("bismuth-home-cube.webp");
  background-size:min(35vw, 500px) auto;
  background-position:82% 54%;
  background-repeat:no-repeat;
  filter:saturate(1.2) brightness(1.08) drop-shadow(0 26px 46px rgba(0,0,0,.55));
  opacity:.94;
}
.facet-layer[data-facet="index"]{
  background-image:url("bismuth-home-cube.webp");
  background-size:contain;
  background-position:center;
  background-repeat:no-repeat;
}
html[data-theme="light"] .page--index .page-bg::before{
  filter:saturate(1.12) brightness(.94) drop-shadow(0 30px 45px rgba(65,55,45,.22));
  opacity:.94;
}
.photo-credit{color:var(--faint);text-decoration:none;white-space:nowrap}
.photo-credit:hover{color:var(--fg)}
@media (max-width:900px){.photo-credit{display:none}}

/* ============================================================
   Homepage lightfield + topbar convergence
   ============================================================ */

.page--index .page-bg { display: none; }

.topbar { z-index: 60; }
.topbar-left,
.topbar-right {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: left .9s var(--ease), right .9s var(--ease), transform .9s var(--ease);
}
.topbar-left { left: var(--gutter); }
.topbar-right { right: var(--gutter); }
.topbar-close { display: none; }
body.menu-open .topbar-left {
  left: 50%;
  transform: translate(calc(-100% - clamp(24px, 4vw, 64px)), -50%);
}
body.menu-open .topbar-right {
  right: 50%;
  transform: translate(calc(100% + clamp(24px, 4vw, 64px)), -50%);
}
body.menu-open .topbar-close { display: inline-flex; }
body.menu-open .menu-top { opacity: 0 !important; pointer-events: none !important; transform: translateY(-10px) !important; }
body.menu-open .topbar::before { opacity: .3; }

body.lightfield-intro .topbar {
  opacity: 0;
  transform: translateY(-7px);
}

/* The index copy is HTML, not an image. */
.page--index.hero--lightfield {
  min-height: 100svh;
}
.page--index .hero-content {
  padding: calc(var(--header-h) + 4vh) var(--gutter) 0;
}
.page--index .lightfield-main {
  width: min(100%, 780px);
}
.page--index h1 { color: var(--fg); }
.page--index .lightfield-sub { color: var(--muted); }
.page--index .lightfield-cta {
  color: var(--fg);
  border-bottom-color: var(--line-strong);
}
.page--index .lightfield-cta span { color: var(--accent); }
.page--index .lightfield-foot {
  border-top-color: var(--line);
  color: var(--faint);
}
.page--index .lightfield-foot .scroll-link,
.page--index .lightfield-foot .lightfield-work { color: var(--muted); }
.page--index .lightfield-foot .scroll-line { background: var(--accent); }

@media (max-width: 900px) {
  body.menu-open .topbar-left {
    left: 50%;
    transform: translate(calc(-100% - 12px), -50%);
  }
  body.menu-open .topbar-right {
    right: 50%;
    transform: translate(calc(100% + 12px), -50%);
  }
  body.menu-open .brand { display: none; }
  body.menu-open .menu-close { font-size: 8px; gap: 6px; }
  body.menu-open .menu-close b { font-size: 17px; }
  .page--index h1 { font-size: clamp(3.6rem, 16vw, 5.8rem); }
  .page--index .hero-content { padding-top: calc(var(--header-h) + 2vh); }
}

@media (prefers-reduced-motion: reduce) {
  .topbar-left, .topbar-right { transition: none; }
}

/* Index-only menu preview: the homepage lightfield's convergence segment.
   Other page previews remain the original bismuth facet crops. */
.facet-layer[data-facet="index"]{
  background-image:url("lightfield-index.webp");
  background-size:cover;
  background-position:center 52%;
  filter:none;
  mix-blend-mode:normal;
}
.menu.is-index-transition .menu-facet{
  background:#010203;
}
.menu.is-index-transition .facet-layer[data-facet="index"]{
  transform:scale(1.16);
  transition:transform 1.35s var(--ease), opacity .5s var(--ease);
}
.menu.is-index-transition .facet-layer{
  filter:none;
}


/* Index transition: hold the HTML copy until the light preview has dissolved. */
body.index-transition .page--index .hero-content {
  opacity: 0;
  transform: translateY(10px);
}
.page--index .hero-content {
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}

/* Homepage white solid cursor and localized light response */
body,
.site,
.site * {
  cursor: none;
}
.lightfield-cursor {
  position: fixed;
  left: 0; top: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #ffffff;
  pointer-events: none;
  z-index: 80;
  opacity: 0;
  transform: translate(-50%, -50%) scale(.7);
  transition: opacity .12s linear, transform .12s linear;
}
.lightfield-cursor.is-visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* Keep target-page copy out of the first frame of the menu transition. */
body.page-hold .page .page-inner > *,
body.page-hold .page .hero-content {
  opacity: 0 !important;
  transform: translateY(12px) !important;
}

@media (hover: none), (pointer: coarse) {
  .lightfield-cursor { display: none; }
}

body.page-hold .page .page-inner,
body.page-hold .page .hero-content {
  visibility: hidden;
}

/* ============================================================
   WORK — SCATTERING light field
   Canvas is a background layer only; all existing content remains above it.
   ============================================================ */
.page--work {
  background: #040607;
}
.page--work .page-bg {
  display: none;
}
.page--work .scatter-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}
.page--work .page-inner {
  z-index: 2;
}

/* Work menu thumbnail uses a small procedural still of the same field. */
.facet-layer[data-facet="work"] {
  background-image: none !important;
  background-color: #040607;
  filter: none;
  mix-blend-mode: normal;
}
.facet-layer[data-facet="work"] .scatter-thumb {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Keep the scattering field behind the existing Work content. */
.page--work::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(4,6,7,.94) 0%, rgba(4,6,7,.86) 36%, rgba(4,6,7,.46) 66%, rgba(4,6,7,.64) 100%),
    linear-gradient(180deg, rgba(4,6,7,.88) 0%, rgba(4,6,7,.12) 22%, rgba(4,6,7,.14) 68%, rgba(4,6,7,.86) 100%);
}

/* Index menu preview: full-viewport capture, no extra scale/crop on reveal. */
.facet-layer[data-facet="index"] {
  background-size: 100% 100%;
  background-position: 0 0;
  background-repeat: no-repeat;
  filter: none;
  mix-blend-mode: normal;
  transform: none;
}
.menu.is-index-transition .facet-layer[data-facet="index"] {
  transform: none;
  transition: opacity .5s var(--ease);
}

/* Lift the dark subpage plates and menu previews slightly. */
.page--work .scatter-canvas { filter: brightness(1.1); }
.facet-layer[data-facet="work"] .scatter-thumb { filter: brightness(1.12); }
html[data-theme="dark"] .page--studio .page-bg::before,
html[data-theme="dark"] .page--contact .page-bg::before {
  filter: saturate(.2) brightness(.79) contrast(1.03);
  opacity: .78;
}
.facet-layer[data-facet="studio"],
.facet-layer[data-facet="contact"] {
  filter: saturate(.18) brightness(1.02);
}

/* While the Index preview expands, the page underneath uses the exact same
   full-viewport capture, so the facet edge and page cannot drift apart. */
body.index-transition .page--index {
  background-image: url("lightfield-index.webp");
  background-size: 100% 100%;
  background-position: 0 0;
  background-repeat: no-repeat;
}
body.index-transition .page--index .lightfield-canvas {
  opacity: 0;
  transition: opacity .2s linear;
}

/* Slight global lift for the Index plate and all menu previews, including Index,
   while keeping the preview and the page image on the same brightness. */
.page--index .lightfield-canvas { filter: brightness(1.06); }
.facet-layer[data-facet="index"] { filter: brightness(1.06); }
body.index-transition .page--index { filter: brightness(1.06); }
.facet-layer[data-facet="studio"],
.facet-layer[data-facet="contact"] { filter: saturate(.18) brightness(1.06); }


/* Keep the slightly brighter mineral plates from washing out their copy. */
html[data-theme="dark"] .page--studio .page-bg::after,
html[data-theme="dark"] .page--contact .page-bg::after {
  background:
    linear-gradient(90deg, rgba(4,6,7,.92) 0%, rgba(4,6,7,.82) 34%, rgba(4,6,7,.5) 72%, rgba(4,6,7,.72) 100%),
    linear-gradient(180deg, rgba(4,6,7,.62) 0%, transparent 28%, transparent 58%, rgba(4,6,7,.9) 100%);
}

.menu.is-index-transition .facet-layer[data-facet="index"] {
  filter: brightness(1.06);
}