/* ---------- loader ---------- */
.loader{position:fixed;inset:0;z-index:100;background:var(--black);display:grid;place-items:center;
  transition:opacity .8s var(--ease);}
.loader.is-done{opacity:0;pointer-events:none}
.loader__inner{width:min(340px,72vw);text-align:center}
.loader__mark{font-family:var(--f-display);font-size:34px;letter-spacing:.3em;margin-bottom:22px}
.loader__bar{height:1px;background:var(--hair);overflow:hidden}
.loader__bar span{display:block;height:100%;width:0;background:var(--amber);transition:width .35s var(--ease)}
.loader__status{margin-top:14px;font-family:var(--f-mono);font-size:10px;letter-spacing:.26em;color:var(--bone-faint)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border:1px solid var(--hair);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  transition:background .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--bone);color:var(--black);border-color:var(--bone)}
.btn--primary:hover{background:var(--amber);border-color:var(--amber)}
.btn--ghost:hover{border-color:var(--amber);color:var(--amber)}

.chip{padding:9px 15px;border:1px solid var(--hair);font-family:var(--f-mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--bone-dim);transition:.3s var(--ease)}
.chip:hover{border-color:var(--bone-faint);color:var(--bone)}
.chip.is-on{background:var(--bone);color:var(--black);border-color:var(--bone)}
.chip--rec.is-on{background:var(--rec);border-color:var(--rec);color:#fff}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}

/* ---------- spec grid ---------- */
.specgrid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--hair)}
.specgrid__item{padding:22px 0;border-bottom:1px solid var(--hair-2)}
.specgrid__item:nth-child(odd){padding-right:24px;border-right:1px solid var(--hair-2)}
.specgrid__item:nth-child(even){padding-left:24px}
.specgrid dt{font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;color:var(--bone-faint);text-transform:uppercase}
.specgrid dd{font-family:var(--f-display);font-size:clamp(30px,3.2vw,52px);line-height:1;margin-top:10px;font-weight:500}
.specgrid dd i{font-style:normal;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;color:var(--bone-faint);margin-left:8px;vertical-align:middle}
.specgrid dd .mono{font-family:var(--f-mono);font-size:14px;letter-spacing:.1em}

/* ---------- exploded steps ---------- */
.exploded__steps{position:relative;margin-top:-40vh}
.estep{min-height:46vh;display:flex;align-items:center}
.estep__card{width:min(390px,86vw);border-left:1px solid var(--amber);padding:2px 0 2px 20px;
  opacity:.16;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.estep.is-active .estep__card{opacity:1;transform:none}
.estep:nth-child(even){justify-content:flex-end}
.estep__num{font-family:var(--f-mono);font-size:10px;letter-spacing:.24em;color:var(--amber)}
.estep__title{font-family:var(--f-display);font-size:clamp(26px,3vw,46px);line-height:.95;text-transform:uppercase;margin:8px 0 12px}
.estep__desc{font-size:14px;color:var(--bone-dim);font-weight:300;line-height:1.6}
.estep__meta{margin-top:16px;display:grid;grid-template-columns:auto 1fr;gap:5px 16px;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em}
.estep__meta dt{color:var(--bone-faint);text-transform:uppercase}
.estep__meta dd{color:var(--bone-dim)}
@media (max-width:900px){
  .estep{min-height:38vh}
  .estep:nth-child(even){justify-content:flex-start}
  .estep__card{width:100%;background:linear-gradient(90deg,rgba(8,8,9,.9),rgba(8,8,9,.72));padding:14px 14px 16px 16px}
  .estep__desc{font-size:13px}
  .estep__meta{grid-template-columns:auto 1fr;font-size:9px}
}

/* ---------- hotspots + leaders ---------- */
.hotspot{position:absolute;transform:translate(-50%,-50%);width:22px;height:22px;pointer-events:auto;cursor:pointer}
.hotspot::before{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 1px rgba(232,163,61,.5)}
.hotspot::after{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid var(--amber-dim);
  animation:pulse 2.6s var(--ease) infinite}
.hotspot.is-off{opacity:0;pointer-events:none}
.hotspot:hover::before{background:var(--bone)}
.hlabel{position:absolute;transform:translate(0,-50%);white-space:nowrap;font-family:var(--f-mono);font-size:10px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--bone);text-shadow:0 1px 8px #000;pointer-events:none;
  opacity:0;transition:opacity .4s var(--ease)}
.hlabel.is-on{opacity:1}
.hlabel b{display:block;color:var(--amber);font-weight:500}
.hlabel small{display:block;color:var(--bone-faint);letter-spacing:.1em;margin-top:2px}

/* ---------- panel ---------- */
.panel{position:fixed;right:var(--gut);top:50%;transform:translate(24px,-50%);width:min(340px,80vw);z-index:45;
  background:rgba(12,12,13,.92);border:1px solid var(--hair);padding:26px 24px 24px;opacity:0;pointer-events:none;
  transition:opacity .45s var(--ease),transform .45s var(--ease)}
.panel.is-on{opacity:1;transform:translate(0,-50%);pointer-events:auto}
.panel__close{position:absolute;right:10px;top:6px;font-size:20px;color:var(--bone-faint);line-height:1}
.panel__num{color:var(--amber)}
.panel__title{font-family:var(--f-display);font-size:32px;line-height:1;text-transform:uppercase;margin:10px 0 12px;font-weight:600}
.panel__desc{font-size:13.5px;color:var(--bone-dim);font-weight:300}
.panel__meta{margin-top:18px;display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-family:var(--f-mono);font-size:10px;letter-spacing:.1em}
.panel__meta dt{color:var(--bone-faint);text-transform:uppercase}
.panel__meta dd{color:var(--bone-dim)}
@media (max-width:900px){.panel{right:auto;left:var(--gut);top:auto;bottom:16px;transform:translateY(20px);width:calc(100% - var(--gut)*2 - 26px)}
 .panel.is-on{transform:none}}

/* ---------- ports ---------- */
.portlist{display:grid;gap:1px;margin-top:22px;max-height:56vh;overflow:auto;padding-right:4px}
@media (max-width:900px){.portlist{max-height:38vh;background:linear-gradient(90deg,rgba(8,8,9,.88),rgba(8,8,9,.6));padding:8px 10px}}
.portlist::-webkit-scrollbar{width:2px}.portlist::-webkit-scrollbar-thumb{background:var(--hair)}
.port{padding:12px 0;border-bottom:1px solid var(--hair-2);cursor:pointer;transition:.3s var(--ease)}
.port b{font-family:var(--f-display);font-size:20px;text-transform:uppercase;letter-spacing:.02em;display:block}
.port span{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.14em;color:var(--bone-faint);text-transform:uppercase}
.port p{font-size:12.5px;color:var(--bone-dim);margin-top:6px;max-height:0;overflow:hidden;opacity:0;transition:.4s var(--ease)}
.port.is-on{border-color:var(--amber)}
.port.is-on b{color:var(--amber)}
.port.is-on p{max-height:80px;opacity:1;margin-top:8px}

/* ---------- lens readout ---------- */
.lens-readout{display:flex;gap:26px;margin-top:26px;border-top:1px solid var(--hair);padding-top:16px}
.lens-readout span{display:block;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.2em;color:var(--bone-faint)}
.lens-readout b{font-family:var(--f-display);font-size:26px;font-weight:500}

/* ---------- legend ---------- */
.legend{display:flex;gap:18px;margin-top:22px;font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;color:var(--bone-dim);text-transform:uppercase}
.legend li{display:flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;display:block}
.dot--amber{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.dot--blue{background:var(--blue);box-shadow:0 0 8px var(--blue)}
.dot--bone{background:var(--bone)}

/* ---------- record ---------- */
.record-btn{display:inline-flex;align-items:center;gap:12px;margin-top:26px;padding:14px 24px;border:1px solid var(--hair);
  font-family:var(--f-mono);font-size:11px;letter-spacing:.22em;transition:.3s var(--ease)}
.record-btn i{width:9px;height:9px;border-radius:50%;background:var(--bone-faint);transition:.3s var(--ease)}
.record-btn.is-on{border-color:var(--rec);color:#fff}
.record-btn.is-on i{background:var(--rec);box-shadow:0 0 12px var(--rec);animation:blink 1.1s steps(1) infinite}
.telemetry{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 18px;margin-top:26px;border-top:1px solid var(--hair);padding-top:18px}
.telemetry span{display:block;font-family:var(--f-mono);font-size:9px;letter-spacing:.2em;color:var(--bone-faint)}
.telemetry b{font-family:var(--f-mono);font-size:15px;letter-spacing:.04em;color:var(--amber);font-weight:400}
.meters{display:grid;gap:5px;margin-top:18px}
.meter{height:4px;background:var(--hair-2);overflow:hidden}
.meter i{display:block;height:100%;width:12%;background:linear-gradient(90deg,#5fb87a,#e8a33d 78%,#e5484d);transition:width .09s linear}

/* ---------- shooting UI ---------- */
.shoot-ui{width:min(330px,80vw);align-self:center}
.shoot-ui__head{margin-bottom:20px}
.slider{display:grid;grid-template-columns:74px 1fr;align-items:center;gap:12px;margin-bottom:9px}
.slider span{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.18em;color:var(--bone-faint)}
.slider input{-webkit-appearance:none;appearance:none;width:100%;height:1px;background:var(--hair);cursor:pointer}
.slider input::-webkit-slider-thumb{-webkit-appearance:none;width:11px;height:11px;background:var(--amber);border-radius:50%;box-shadow:0 0 10px var(--amber-dim)}
.slider input::-moz-range-thumb{width:11px;height:11px;border:0;background:var(--amber);border-radius:50%}
.btnrow{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}

.vf-frame{width:min(430px,44vw);aspect-ratio:1.43/1;position:relative;border:1px solid var(--hair);align-self:center;
  background:rgba(0,0,0,.25)}
.vf-frame__label,.vf-frame__foot{position:absolute;left:0;right:0;display:flex;justify-content:space-between;gap:10px;
  font-family:var(--f-mono);font-size:9px;letter-spacing:.2em;color:var(--bone-faint);padding:6px 8px}
.vf-frame__label{top:-24px}
.vf-frame__foot{bottom:-26px}
#vf-overlay{position:absolute;inset:0;width:100%;height:100%}
@media (max-width:900px){
  .chapter--shoot .chapter__pin{flex-direction:column;justify-content:flex-start;padding-top:15vh;gap:10px}
  .vf-frame{width:min(92vw,520px);margin:0 auto}
  .vf-frame__label{top:-18px;font-size:8px;padding:4px 2px}
  .vf-frame__foot{bottom:-20px;font-size:8px;padding:4px 2px}
  .shoot-ui{width:100%;position:absolute;left:0;bottom:0;padding:34px 4px 14px;
    background:linear-gradient(180deg,transparent,rgba(8,8,9,.93) 26%)}
  .shoot-ui__head{display:none}
  .slider{grid-template-columns:54px 1fr;margin-bottom:7px}
  .slider span{font-size:8.5px;letter-spacing:.12em}
  .btnrow{gap:6px}
  .btnrow .chip{flex:1 1 44%;text-align:center;justify-content:center}
  .telemetry{grid-template-columns:repeat(2,1fr)}
}

/* ---------- comparison gates ---------- */
.compare__stage{position:relative}
.gates{position:relative;aspect-ratio:1.6/1;border:1px solid var(--hair-2);display:grid;place-items:center}
.gate{position:absolute;border:1px solid var(--bone-faint);display:flex;flex-direction:column;justify-content:flex-end;
  padding:8px 10px;transition:opacity .5s var(--ease),border-color .5s var(--ease);opacity:.22}
.gate b{font-family:var(--f-mono);font-size:10px;letter-spacing:.2em}
.gate span{font-family:var(--f-mono);font-size:9px;letter-spacing:.12em;color:var(--bone-faint)}
.gate.is-on{opacity:1;border-color:var(--amber);box-shadow:0 0 0 1px rgba(232,163,61,.18) inset}
.gate--lf{width:78%;aspect-ratio:1.43/1}
.gate--65{width:58%;aspect-ratio:2.2/1}
.gate--35{width:24%;aspect-ratio:2.39/1}
.compare__note{margin-top:18px;color:var(--bone-faint)}

/* ---------- rigs ---------- */
.rig{padding:26px 20px 30px;border-right:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.rig canvas{width:100%;height:150px;margin-bottom:16px;opacity:.9}
.rig b{font-family:var(--f-display);font-size:22px;text-transform:uppercase;display:block}
.rig span{font-family:var(--f-mono);font-size:9.5px;letter-spacing:.14em;color:var(--bone-faint)}
.rig p{font-size:12.5px;color:var(--bone-dim);margin-top:8px;font-weight:300}

/* ---------- macro swatches ---------- */
.swatch{position:relative;border:1px solid var(--hair-2);overflow:hidden}
.swatch canvas{width:100%;aspect-ratio:1/1;height:auto}
.swatch figcaption{position:absolute;left:0;bottom:0;right:0;padding:10px 12px;background:linear-gradient(transparent,rgba(0,0,0,.82));
  font-family:var(--f-mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase}
.swatch figcaption b{display:block;color:var(--amber);font-weight:400}

/* ---------- specs table ---------- */
.srow{display:grid;grid-template-columns:230px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--hair-2)}
.srow > dt{font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;color:var(--bone-faint);text-transform:uppercase}
.srow > dd{font-size:14.5px;color:var(--bone-dim);font-weight:300}
.sgroup > summary{list-style:none;cursor:pointer;padding:22px 0;border-bottom:1px solid var(--hair);
  font-family:var(--f-display);font-size:clamp(22px,2.2vw,34px);text-transform:uppercase;display:flex;justify-content:space-between;align-items:center}
.sgroup > summary::-webkit-details-marker{display:none}
.sgroup > summary::after{content:"+";font-family:var(--f-mono);font-size:16px;color:var(--amber)}
.sgroup[open] > summary::after{content:"–"}

/* ---------- stats ---------- */
.stat b{font-family:var(--f-display);font-size:clamp(40px,5.4vw,88px);line-height:1;display:block;font-weight:600}
.stat span{font-family:var(--f-mono);font-size:10px;letter-spacing:.2em;color:var(--bone-faint);text-transform:uppercase;display:block;margin-top:10px}

.a11y-note{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:60;font-family:var(--f-mono);
  font-size:10px;letter-spacing:.16em;color:var(--bone-faint);background:rgba(10,10,10,.9);border:1px solid var(--hair);padding:8px 14px}