/* HELIOS LAMP WORKS — main.css
   studio white / graphite / brass · Sora + DM Mono */

@font-face{font-family:'Sora';src:url('../fonts/sora-latin-400-normal.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Sora';src:url('../fonts/sora-latin-600-normal.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Sora';src:url('../fonts/sora-latin-700-normal.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'DM Mono';src:url('../fonts/dm-mono-latin-400-normal.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'DM Mono';src:url('../fonts/dm-mono-latin-400-italic.woff2') format('woff2');font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:'DM Mono';src:url('../fonts/dm-mono-latin-500-normal.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}

:root{
  --white:#f5f4f1;
  --paper:#fbfaf7;
  --tint:#eeece6;
  --graphite:#2b2b2e;
  --graphite-2:#4a4a4e;
  --dim:#66635c;
  --hair:#d9d5cb;
  --brass:#b08d57;
  --brass-deep:#8a6c3f;
  --oxide:#a03a2a;
  --sage:#7a8b6f;
  --cobalt:#2d4a8a;
  --enamel:var(--oxide);
  --ease-out:cubic-bezier(.22,1,.36,1);
  --ease-io:cubic-bezier(.65,.05,.36,1);
  --ease-pop:cubic-bezier(.34,1.42,.54,1);
  --mono:'DM Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --sans:'Sora',system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--white);color:var(--graphite);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--brass);color:var(--white)}
a{color:inherit;text-decoration-color:var(--brass);text-underline-offset:3px}
a:hover{color:var(--brass-deep)}
:focus-visible{outline:2px solid var(--brass-deep);outline-offset:3px;border-radius:1px}
.mono{font-family:var(--mono);font-weight:400;letter-spacing:.04em}
.num{font-variant-numeric:tabular-nums}
h1,h2{text-wrap:balance;margin:0}
strong{font-weight:600}

/* ---------- reveal ---------- */
.rv{opacity:0;translate:0 16px;
  transition:opacity .75s var(--ease-out),translate .75s var(--ease-out);
  transition-delay:calc(var(--i,0)*95ms)}
.rv.in{opacity:1;translate:0 0}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;translate:none;transition:none}
}

/* ---------- header ---------- */
.site-head{
  position:absolute;inset:0 0 auto 0;z-index:5;
  display:flex;align-items:baseline;gap:2rem;flex-wrap:wrap;
  padding:1.35rem clamp(1.25rem,3.5vw,2.75rem);
}
.wordmark{font-weight:700;font-size:.92rem;letter-spacing:.14em;text-decoration:none;white-space:nowrap}
.wordmark .dot,.foot-mark .dot{display:inline-block;width:.5em;height:.5em;margin-left:.45em;
  border-radius:50%;background:var(--brass);vertical-align:baseline}
.site-nav{display:flex;gap:1.5rem;font-size:.72rem;letter-spacing:.09em;text-transform:uppercase}
.site-nav a{text-decoration:none;color:var(--dim);border-bottom:1px solid transparent;padding-bottom:2px}
.site-nav a:hover{color:var(--graphite);border-bottom-color:var(--brass)}
.est{margin:0 0 0 auto;font-size:.68rem;color:var(--dim);letter-spacing:.1em}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100svh;
  display:grid;
  grid-template-columns:minmax(0,1fr) 350px;
  grid-template-rows:auto 1fr auto;
  gap:0 clamp(1.5rem,3vw,3rem);
  padding:6.2rem clamp(1.25rem,3.5vw,2.75rem) 1.5rem;
}
.stage{position:absolute;inset:0;overflow:hidden}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
.stage canvas.dragging{cursor:grabbing}
.stage canvas.joint{cursor:grab}
.stage::after{ /* melt the studio floor into the page */
  content:'';position:absolute;inset:auto 0 0 0;height:110px;pointer-events:none;
  background:linear-gradient(to bottom,rgba(245,244,241,0),var(--white));
}
.stage-fallback{position:absolute;inset:0;display:grid;place-items:center;text-align:center;
  color:var(--dim);font-size:.8rem;line-height:1.8;padding:2rem}
.stage-fallback[hidden]{display:none}
.hero-copy{grid-column:1;grid-row:1;position:relative;z-index:2;max-width:34rem;pointer-events:none}
.hero-copy .eyebrow{margin:0 0 .9rem;font-size:.72rem;letter-spacing:.22em;color:var(--brass-deep)}
.hero-copy h1{
  font-size:clamp(3.6rem,8.4vw,7.4rem);font-weight:700;line-height:.98;
  letter-spacing:-.035em;margin:0 0 1.1rem;
}
.hero-copy h1::after{content:'';display:inline-block;width:.14em;height:.14em;margin-left:.08em;
  border-radius:50%;background:var(--brass)}
.deck{font-size:clamp(1rem,1.35vw,1.2rem);line-height:1.55;max-width:30rem;margin:0;text-wrap:pretty}
.stage-hint{
  grid-column:1;grid-row:3;align-self:end;z-index:2;margin:0;
  font-size:.62rem;letter-spacing:.14em;color:var(--dim);pointer-events:none;
}

/* ---------- configurator panel ---------- */
.panel{
  grid-column:2;grid-row:1 / span 3;z-index:3;align-self:center;justify-self:end;
  width:350px;background:var(--paper);
  border:1px solid var(--graphite);
  box-shadow:6px 6px 0 rgba(43,43,46,.07);
  padding:1.1rem 1.2rem 1.2rem;
}
.panel-head{display:flex;justify-content:space-between;align-items:baseline;
  border-bottom:1px solid var(--graphite);padding-bottom:.7rem;margin-bottom:.35rem}
.strong{font-weight:500;letter-spacing:.16em;font-size:.78rem}
.dim{color:var(--dim);font-size:.66rem}
.opt{border:0;padding:.75rem 0 .55rem;margin:0;border-bottom:1px solid var(--hair)}
.opt legend{font-size:.62rem;letter-spacing:.18em;color:var(--dim);padding:0;margin-bottom:.55rem;float:left;width:100%}
.swatch-row,.shade-row{display:flex;align-items:center;gap:.55rem;clear:both}
.sw{width:30px;height:30px;padding:2px;border-radius:50%;border:1px solid var(--hair);
  background:transparent;cursor:pointer;transition:border-color .25s var(--ease-out),transform .25s var(--ease-pop)}
.sw i{display:block;width:100%;height:100%;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,rgba(255,255,255,.42),rgba(255,255,255,0) 45%),var(--c)}
.sw:hover{transform:translateY(-2px)}
.sw.is-on{border-color:var(--graphite);box-shadow:0 0 0 1px var(--graphite)}
.sh{width:56px;height:38px;padding:3px 5px;border:1px solid var(--hair);background:transparent;
  cursor:pointer;transition:border-color .25s var(--ease-out),transform .25s var(--ease-pop)}
.sh:hover{transform:translateY(-2px)}
.sh.is-on{border-color:var(--graphite);box-shadow:0 0 0 1px var(--graphite)}
.sh svg{display:block;width:100%;height:100%}
.sh svg path{fill:none;stroke:var(--graphite);stroke-width:1.6;stroke-linecap:round}
.sh.is-on svg path{stroke:var(--brass-deep)}
.val{margin-left:auto;font-size:.66rem;letter-spacing:.12em;color:var(--graphite)}
.slider{display:grid;grid-template-columns:5.2rem 1fr 3.4rem;align-items:center;gap:.6rem;margin:.35rem 0;clear:both}
.slider>span{font-size:.62rem;letter-spacing:.14em;color:var(--dim)}
.slider .num{font-size:.68rem;text-align:right}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:22px;background:transparent;cursor:pointer;margin:0}
input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--graphite)}
input[type=range]::-moz-range-track{height:2px;background:var(--graphite)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:var(--brass);border:2px solid var(--graphite);margin-top:-6px;
  transition:transform .2s var(--ease-pop)}
input[type=range]::-moz-range-thumb{width:10px;height:10px;border-radius:50%;
  background:var(--brass);border:2px solid var(--graphite)}
input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.25)}
.micro{font-size:.6rem;color:var(--dim);letter-spacing:.06em;margin:.4rem 0 0;font-style:italic}
.opt-power{padding-bottom:.8rem}
.power{display:inline-flex;align-items:center;gap:.6rem;padding:.5rem .9rem;
  border:1px solid var(--graphite);background:transparent;cursor:pointer;clear:both;
  transition:background .3s var(--ease-out)}
.power i{width:10px;height:10px;border-radius:50%;background:var(--hair);
  transition:background .3s var(--ease-out),box-shadow .3s var(--ease-out)}
.power.is-on i{background:#e8a13c;box-shadow:0 0 8px 2px rgba(232,161,60,.55)}
.power span{font-size:.66rem;letter-spacing:.12em}
.power:hover{background:var(--tint)}
.livespec{display:grid;grid-template-columns:1fr 1fr;gap:.28rem .9rem;margin:.85rem 0 0;padding:.8rem 0 .9rem;
  border-bottom:1px solid var(--graphite)}
.livespec>div{display:flex;justify-content:space-between;gap:.5rem;font-size:.63rem}
.livespec dt{color:var(--dim);letter-spacing:.08em}
.livespec dd{margin:0;font-weight:500}
.livespec>div:last-child{grid-column:1 / -1;border-top:1px dashed var(--hair);padding-top:.3rem;margin-top:.15rem}
.buy{padding-top:.9rem}
.price-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.7rem}
.price{font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
.reserve{width:100%;padding:.85rem 1rem;border:1px solid var(--graphite);background:var(--graphite);
  color:var(--white);font-family:var(--sans);font-weight:600;font-size:.85rem;cursor:pointer;
  transition:background .3s var(--ease-out),color .3s var(--ease-out)}
.reserve:hover{background:var(--brass-deep);border-color:var(--brass-deep)}
.reserve:active{translate:1px 1px}
.reserve-note{min-height:1.1em;margin:.55rem 0 0;font-style:italic}

/* ---------- sections ---------- */
.sec{padding:clamp(4.5rem,9vw,8rem) 0}
.sec-tint{background:var(--tint)}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(1.25rem,3.5vw,2.75rem)}
.sec-head{display:flex;align-items:baseline;gap:1.4rem;border-bottom:1px solid var(--graphite);
  padding-bottom:1.1rem;margin-bottom:clamp(2rem,4vw,3.2rem)}
.idx{font-size:.7rem;letter-spacing:.2em;color:var(--brass-deep);font-weight:500}
.sec h2{font-size:clamp(1.9rem,3.8vw,3rem);font-weight:600;letter-spacing:-.025em;line-height:1.08}
.cols{display:grid;grid-template-columns:minmax(0,6.5fr) minmax(0,5.5fr);gap:2.5rem clamp(2.5rem,5vw,4.5rem);align-items:start}
.copy p{margin:0 0 1.15em;max-width:56ch;font-size:1.02rem;text-wrap:pretty}
.copy p:last-child{margin-bottom:0}

/* revision log */
.revlog{border-left:2px solid var(--brass);padding-left:1.4rem}
.revlog-title{margin:0 0 .9rem;font-size:.66rem;letter-spacing:.2em;color:var(--dim)}
.revlog ol{list-style:none;margin:0;padding:0;font-size:.72rem}
.revlog li{display:grid;grid-template-columns:3.4rem 3.9rem 1fr;gap:.8rem;padding:.5rem 0;
  border-bottom:1px dashed var(--hair)}
.revlog li:last-child{border-bottom:0}
.revlog li span:first-child{font-weight:500;color:var(--brass-deep)}
.revlog li span:nth-child(2){color:var(--dim)}

/* drawing */
.draw-wrap{margin:0;border:1px solid var(--graphite);background:var(--paper);
  box-shadow:6px 6px 0 rgba(43,43,46,.07);padding:.6rem}
.draw-wrap svg{display:block;width:100%;height:auto}
.figcap{font-size:.64rem;letter-spacing:.1em;color:var(--dim);margin:1.4rem 0 0}

/* materials */
.chips{display:flex;gap:.9rem;margin:1.6rem 0;flex-wrap:wrap}
.chip{width:96px;height:72px;border:1px solid var(--graphite);position:relative;
  box-shadow:4px 4px 0 rgba(43,43,46,.06)}
.chip span{position:absolute;left:6px;bottom:5px;font-size:.52rem;letter-spacing:.08em;
  background:var(--paper);padding:1px 4px;border:1px solid var(--hair)}
.chip-brass{background:linear-gradient(115deg,#8a6c3f 0%,#c9a76b 28%,#f0dcae 45%,#b08d57 62%,#7d6039 100%)}
.chip-steel{background:linear-gradient(115deg,#232326 0%,#3d3d42 30%,#57575e 48%,#2b2b2e 70%,#1c1c1f 100%)}
.chip-alu{background:linear-gradient(115deg,#b9bbbd 0%,#e4e6e8 30%,#f4f5f6 46%,#c6c8cb 65%,#a7a9ac 100%)}
.chip-enamel{background:
  radial-gradient(circle at 30% 25%,rgba(255,255,255,.35),rgba(255,255,255,0) 40%),
  linear-gradient(115deg,#8c3325 0%,#a03a2a 45%,#b8543f 60%,#8c3325 100%)}
.suppliers{list-style:none;margin:1.8rem 0 0;padding:0;font-size:.7rem;max-width:34rem}
.suppliers li{display:grid;grid-template-columns:9.5rem 7.5rem 1fr;gap:.8rem;padding:.5rem 0;
  border-bottom:1px dashed var(--hair)}
.suppliers li span:nth-child(2){color:var(--dim)}
.suppliers li span:nth-child(3){color:var(--dim);text-align:right}

/* parts table */
.parts table{width:100%;border-collapse:collapse;font-size:.7rem}
.parts th{font-weight:500;text-align:left;letter-spacing:.14em;font-size:.6rem;color:var(--dim);
  border-bottom:1px solid var(--graphite);padding:.45rem .5rem .45rem 0}
.parts td{padding:.42rem .5rem .42rem 0;border-bottom:1px dashed var(--hair);vertical-align:top}
.parts td:first-child{color:var(--brass-deep);font-weight:500;width:2rem}
.parts .qty{text-align:right;font-variant-numeric:tabular-nums}
.parts tfoot td{border-bottom:0;border-top:1px solid var(--graphite);font-weight:500;padding-top:.55rem}

/* spec table */
.spectable dl{margin:0;font-size:.74rem}
.spectable dl>div{display:flex;justify-content:space-between;gap:1.5rem;align-items:baseline;
  padding:.62rem 0;border-bottom:1px dashed var(--hair)}
.spectable dl>div:first-child{border-top:1px solid var(--graphite)}
.spectable dt{color:var(--dim);letter-spacing:.1em;font-size:.62rem}
.spectable dd{margin:0;text-align:right;font-weight:500}

/* runs / order card */
.sig{font-style:normal;color:var(--dim);font-size:.95rem}
.ordercard{background:var(--paper);border:1px solid var(--graphite);
  box-shadow:6px 6px 0 rgba(43,43,46,.07);padding:1.3rem 1.4rem 1.4rem;max-width:24rem}
.oc-title{margin:0 0 .5rem;font-size:.62rem;letter-spacing:.2em;color:var(--dim)}
.oc-summary{margin:0 0 1rem;font-weight:600;font-size:1.05rem;border-bottom:1px solid var(--graphite);padding-bottom:.9rem}
.ordercard .dim{font-size:.6rem}

/* ---------- footer ---------- */
.site-foot{background:var(--graphite);color:var(--white);padding:3.5rem 0 3rem;margin-top:2rem}
.foot-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:2.5rem}
.foot-mark{font-weight:700;font-size:.85rem;letter-spacing:.14em;margin:0 0 .8rem}
.site-foot .mono{font-size:.66rem;line-height:1.9;color:#c9c6be;margin:0 0 .7rem}
.site-foot a{color:var(--white);text-decoration-color:var(--brass)}
.site-foot a:hover{color:var(--brass)}
.dim2{color:#9a978f}
.site-foot a.dim2{color:#9a978f}
.foot-credit{text-align:right}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .panel{width:320px}
  .cols{grid-template-columns:1fr;gap:2.5rem}
  .parts{max-width:36rem}
}
@media (max-width:860px){
  .est{display:none}
  .site-head{position:static;padding-bottom:.4rem;row-gap:.7rem}
  .site-nav{gap:1rem;overflow-x:auto;scrollbar-width:none;flex-basis:100%}
  .hero{grid-template-columns:1fr;grid-template-rows:auto minmax(58svh,1fr) auto auto;
    padding-top:1.6rem;min-height:0}
  .hero-copy{grid-row:1;max-width:none}
  .stage{position:relative;grid-column:1;grid-row:2;margin:0 calc(-1*clamp(1.25rem,3.5vw,2.75rem))}
  .stage-hint{grid-row:3;margin:.8rem 0 1.2rem}
  .panel{grid-column:1;grid-row:4;width:100%;justify-self:stretch;align-self:start}
  .foot-grid{grid-template-columns:1fr;gap:1.6rem}
  .foot-credit{text-align:left}
}
@media (max-width:480px){
  .slider{grid-template-columns:4.2rem 1fr 3.2rem}
  .chips{gap:.6rem}
  .chip{width:84px;height:64px}
  .suppliers li{grid-template-columns:8rem 1fr;grid-template-rows:auto auto}
  .suppliers li span:nth-child(3){grid-column:1/-1;text-align:left}
}