/* Spatiq Showroom — machine-room dusk / stack-light amber */
:root{
  --ground:#0B1220; --ground-2:#0E1729; --ink:#EAF1F9; --muted:#8CA0B8;
  --amber:#F5A623; --blue:#3D6FB4; --line:#1E2C42;
  --glass:rgba(13,20,32,.74);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
h1,h2,.eyebrow,.brand span{font-family:"Archivo",sans-serif}

#stage{position:fixed;inset:0;width:100%;height:100vh;display:block;z-index:0}

/* gauge rail */
.gauge{position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:4;
  display:flex;gap:9px;align-items:stretch;height:min(46vh,420px)}
.gauge-track{width:3px;background:var(--line);border-radius:2px;overflow:hidden}
.gauge-fill{width:100%;height:0%;background:var(--amber);border-radius:2px;
  box-shadow:0 0 12px rgba(245,166,35,.55)}
.gauge-ticks{display:flex;flex-direction:column;justify-content:space-between;
  font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:1px;color:var(--muted)}
@media(max-width:760px){.gauge{display:none}}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:5;display:flex;justify-content:space-between;
  align-items:center;padding:18px 28px;
  background:linear-gradient(to bottom,rgba(11,18,32,.85),transparent)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand svg{width:26px;height:26px}
.brand span{font-size:13.5px;letter-spacing:3px;font-variation-settings:"wdth" 110;font-weight:500}
.brand b{font-weight:800}
.nav-cta{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.5px;color:var(--ink);
  text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:9px 18px;
  background:rgba(13,20,32,.6);backdrop-filter:blur(8px);transition:border-color .2s,color .2s}
.nav-cta:hover{border-color:var(--amber);color:var(--amber)}

/* sections */
main{position:relative;z-index:2}
.panel-sec{min-height:130vh;display:flex;align-items:center;padding:0 6vw}
#s0{min-height:170vh;align-items:flex-start;padding-top:24vh}
#s5{min-height:150vh}
.glass{max-width:520px;background:var(--glass);border:1px solid var(--line);border-radius:18px;
  padding:34px 36px;backdrop-filter:blur(14px);box-shadow:0 24px 80px rgba(3,7,15,.5);
  opacity:0;transform:translateY(36px)}
.glass.wide{max-width:660px}
.glass.right{margin-left:auto}
.glass.center{margin:0 auto;text-align:center}
.eyebrow{font-size:11px;letter-spacing:3.2px;text-transform:uppercase;color:var(--amber);
  font-weight:600;font-variation-settings:"wdth" 105;margin:0 0 14px}
h1{font-size:clamp(44px,6.5vw,76px);line-height:.98;margin:0 0 20px;font-weight:800;
  font-variation-settings:"wdth" 118;letter-spacing:-.5px;text-wrap:balance}
h2{font-size:clamp(27px,3.4vw,38px);line-height:1.08;margin:0 0 16px;font-weight:700;
  font-variation-settings:"wdth" 112;text-wrap:balance}
p{margin:0 0 1em;color:var(--muted)}
.lead{font-size:18.5px;color:#C3D2E4}
em{color:var(--ink);font-style:normal;font-weight:600}
b{color:var(--ink)}
.spec{font-size:12px;color:var(--blue);letter-spacing:.4px;border-top:1px solid var(--line);
  padding-top:12px;margin-top:6px}
.cta-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:13.5px;font-weight:500;
  color:#0B1220;background:var(--amber);text-decoration:none;border-radius:999px;padding:13px 26px;
  box-shadow:0 6px 24px rgba(245,166,35,.35);transition:transform .18s,box-shadow .18s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(245,166,35,.5)}
.btn.big{font-size:15px;padding:16px 34px;margin-top:8px}
.hint{font-size:11.5px;color:var(--muted);letter-spacing:.6px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.chip{font-size:11.5px;border:1px solid var(--line);border-radius:999px;padding:6px 13px;color:var(--muted)}
.chip.on{border-color:var(--amber);color:var(--amber)}
.steps{margin:0;padding-left:1.3em;color:var(--muted)}
.steps li{margin-bottom:.85em;padding-left:.3em}
.steps li::marker{color:var(--amber);font-family:"IBM Plex Mono",monospace;font-size:.85em}
.uses{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
@media(max-width:640px){.uses{grid-template-columns:1fr}}
.use{border:1px solid var(--line);border-radius:12px;padding:15px 17px;background:rgba(14,23,41,.5)}
.use b{display:block;font-size:14.5px;margin-bottom:4px}
.use span{font-size:13px;color:var(--muted);line-height:1.5}

footer{position:relative;z-index:2;background:var(--ground-2);border-top:1px solid var(--line);
  padding:30px 28px}
.foot-in{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:11.5px;letter-spacing:.6px;color:var(--muted)}
.foot-in a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.dim{opacity:.6}

:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px}

@media (prefers-reduced-motion: reduce){
  .glass{opacity:1;transform:none}
  html{scroll-behavior:auto}
}
@media(max-width:760px){
  .panel-sec{padding:0 18px}
  .glass{padding:26px 22px;max-width:100%}
}