/* ARQS Software Lab — shared premium layer for registry builds (Software Scout Radar, ExperimentLab, CloudGuard). 2026-10-17 */
:root{--bg:#05080f;--bg2:#0a1120;--glass:rgba(255,255,255,.055);--glass2:rgba(255,255,255,.09);--edge:rgba(255,255,255,.12);--txt:#eef3f8;--mut:#9fb0c2;--acc:#4cc3ff;--acc2:#8b7bff;--ok:#22e3a1;--warn:#ffb547;--bad:#ff5d73}
*{box-sizing:border-box}
html{overflow-x:clip;background:var(--bg);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body.lab{margin:0;min-height:100vh;color:var(--txt);font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);overflow-x:hidden}
.lab a{color:inherit}
.lab .wrap{width:min(1240px,92vw);margin:auto}
.lab .skip{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 12px;border-radius:8px;z-index:99}.lab .skip:focus{left:8px}
/* nav */
.lab .top{position:sticky;top:0;z-index:40;background:rgba(5,8,15,.62);backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}
.lab .nav{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.lab .brand{font-weight:950;letter-spacing:.22em;text-decoration:none;color:#fff;font-size:15px;white-space:nowrap}
.lab .brand span{color:var(--acc);letter-spacing:.14em;font-weight:800;margin-left:8px;font-size:12px}
.lab .links{display:flex;gap:20px;flex-wrap:wrap;justify-content:flex-end}
.lab .links a{text-decoration:none;color:#c3cfdb;font-weight:650;font-size:14px;transition:color .2s}.lab .links a:hover,.lab .links a[aria-current]{color:#fff}
/* hero */
.lab .hero{position:relative;isolation:isolate;overflow:hidden;min-height:min(calc(100svh - 64px),860px);display:flex;align-items:flex-end;padding:120px 0 80px}
.lab .hero>img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--pos,72% 50%);z-index:-3;transform:scale(1.06);animation:labKen 28s ease-in-out infinite alternate}
.lab .hero:before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(900px 520px at 12% 78%,color-mix(in srgb,var(--acc) 22%,transparent),transparent 70%)}
.lab .hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(5,8,15,.35) 0%,rgba(5,8,15,0) 28%,rgba(5,8,15,.2) 55%,rgba(5,8,15,.86) 86%,var(--bg) 100%),linear-gradient(90deg,rgba(5,8,15,.82) 0%,rgba(5,8,15,.35) 45%,rgba(5,8,15,0) 70%)}
@keyframes labKen{from{transform:scale(1.06) translate3d(0,0,0)}to{transform:scale(1.15) translate3d(-1.6%,-1%,0)}}
.lab .ey{font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;font-weight:850;color:var(--acc);display:inline-flex;align-items:center;gap:10px}
.lab .ey:before{content:"";width:28px;height:1px;background:currentColor;opacity:.8}
.lab h1{font:800 clamp(46px,8.4vw,118px)/.98 Inter,system-ui,sans-serif;letter-spacing:-.055em;margin:18px 0 22px;padding-bottom:.06em;background:linear-gradient(180deg,#fff 35%,#b9c9da);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.lab .lead{font-size:clamp(17px,1.6vw,21px);color:#c9d6e2;max-width:720px;line-height:1.6;margin:0}
.lab .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.lab .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:999px;font:800 15px/1 Inter,system-ui,sans-serif;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;color:#04101c;background:linear-gradient(135deg,#fff,color-mix(in srgb,var(--acc) 45%,#fff));box-shadow:0 14px 40px color-mix(in srgb,var(--acc) 30%,transparent)}
.lab .btn:hover{transform:translateY(-2px);box-shadow:0 20px 60px color-mix(in srgb,var(--acc) 45%,transparent)}
.lab .btn.ghost{color:#fff;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18);box-shadow:none;backdrop-filter:blur(12px)}
.lab .btn.ghost:hover{border-color:var(--acc);background:rgba(255,255,255,.12)}
.lab .btn.sm{min-height:38px;padding:0 15px;font-size:13.5px}
.lab .btn.danger{color:#fff;background:rgba(255,93,115,.12);border-color:rgba(255,93,115,.45);box-shadow:none}
.lab .stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:40px;max-width:760px}
.lab .stat{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.lab .stat b{display:block;font:800 26px/1.1 Inter,system-ui,sans-serif;letter-spacing:-.03em;color:#fff}.lab .stat span{font-size:13px;color:var(--mut)}
/* sections */
.lab .section{padding:80px 0;position:relative;overflow:hidden;background:radial-gradient(800px 380px at 85% 40%,color-mix(in srgb,var(--acc) 7%,transparent),transparent 70%),radial-gradient(640px 380px at 8% 75%,color-mix(in srgb,var(--acc2) 6%,transparent),transparent 70%)}
.lab .section.tight{padding:40px 0}
.lab h2{font:800 clamp(30px,4vw,52px)/1.04 Inter,system-ui,sans-serif;letter-spacing:-.04em;margin:12px 0 14px;color:#fff}
.lab h3{font:750 19px/1.25 Inter,system-ui,sans-serif;letter-spacing:-.01em;margin:0 0 8px;color:#fff}
.lab .sub{color:var(--mut);max-width:720px;margin:0 0 28px;font-size:17px}
/* feature cards with photos */
.lab .feat{display:grid;grid-template-columns:1.25fr 1fr;gap:18px}
.lab .pcard{position:relative;isolation:isolate;overflow:hidden;min-height:420px;border-radius:26px;border:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;justify-content:flex-end;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.45);transition:transform .6s cubic-bezier(.2,.8,.2,1),border-color .4s}
.lab .pcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1.4s cubic-bezier(.2,.8,.2,1)}
.lab .pcard:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(5,8,15,.05),rgba(5,8,15,.35) 45%,rgba(5,8,15,.94) 100%)}
.lab .pcard:hover{transform:translateY(-6px);border-color:color-mix(in srgb,var(--acc) 55%,transparent)}.lab .pcard:hover img{transform:scale(1.07)}
.lab .pcard p{color:#c9d6e2;margin:0;max-width:520px}
.lab .grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.lab .mini{position:relative;overflow:hidden;background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:24px;transition:transform .35s,border-color .35s}
.lab .mini:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--acc) 50%,transparent)}
.lab .mini p{color:var(--mut);margin:0;font-size:15px}
.lab .mini .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;background:color-mix(in srgb,var(--acc) 18%,transparent);border:1px solid color-mix(in srgb,var(--acc) 45%,transparent);color:#fff;font-weight:900}
/* app shell */
.lab .app{border-radius:28px;background:linear-gradient(170deg,rgba(255,255,255,.07),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.12);box-shadow:0 40px 120px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08);padding:clamp(16px,2.6vw,32px);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.lab .tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:14px}
.lab .tab{appearance:none;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);color:#c9d6e2;border-radius:999px;padding:9px 16px;font:700 14px/1 Inter,system-ui,sans-serif;cursor:pointer;transition:all .25s}
.lab .tab[aria-selected=true]{background:color-mix(in srgb,var(--acc) 22%,transparent);border-color:var(--acc);color:#fff}
.lab .lpanel[hidden]{display:none}
.lab .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:14px}
.lab label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--mut);text-transform:uppercase}
.lab input,.lab select,.lab textarea{width:100%;min-height:44px;padding:10px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(3,6,12,.6);color:#fff;font:500 15px/1.4 Inter,system-ui,sans-serif;text-transform:none;letter-spacing:0;transition:border-color .2s,box-shadow .2s}
.lab textarea{min-height:120px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.lab input:focus,.lab select:focus,.lab textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px color-mix(in srgb,var(--acc) 25%,transparent)}
.lab input[type=range]{padding:0;min-height:28px;accent-color:var(--acc);background:transparent;border:0}
.lab .tools{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.lab .tbl{width:100%;overflow-x:auto;border-radius:16px;border:1px solid rgba(255,255,255,.1);-webkit-overflow-scrolling:touch}
.lab table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.lab th,.lab td{padding:11px 12px;text-align:left;border-bottom:1px solid rgba(255,255,255,.07);vertical-align:middle}
.lab th{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);background:rgba(255,255,255,.03);font-weight:800}
.lab td input,.lab td select{min-height:38px;padding:7px 9px;font-size:14px}
.lab tr.win td{background:color-mix(in srgb,var(--ok) 9%,transparent)}
.lab .num{font-variant-numeric:tabular-nums;text-align:right}
.lab .kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:18px 0}
.lab .kpi{padding:18px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.lab .kpi small{display:block;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mut);font-weight:800}
.lab .kpi b{display:block;font:800 28px/1.15 Inter,system-ui,sans-serif;letter-spacing:-.03em;margin-top:6px;color:#fff;font-variant-numeric:tabular-nums}
.lab .kpi em{font-style:normal;font-size:13px;color:var(--mut)}
.lab .pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.04em;border:1px solid}
.lab .pill.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 50%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent)}
.lab .pill.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 50%,transparent);background:color-mix(in srgb,var(--warn) 10%,transparent)}
.lab .pill.bad{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 50%,transparent);background:color-mix(in srgb,var(--bad) 10%,transparent)}
.lab .callout{margin:16px 0;padding:16px 18px;border-radius:16px;background:color-mix(in srgb,var(--acc) 9%,transparent);border:1px solid color-mix(in srgb,var(--acc) 35%,transparent);color:#dce7f1}
.lab .chart{width:100%;height:auto;display:block}
.lab .two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.lab .lcard{padding:20px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.lab .note{margin-top:26px;padding:16px 18px;border-radius:16px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03);color:var(--mut);font-size:14px}
.lab .toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;background:#0f1a2b;border:1px solid var(--acc);color:#fff;padding:12px 18px;border-radius:999px;font-weight:700;z-index:90;transition:all .35s;pointer-events:none;max-width:90vw}
.lab .toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.lab .foot{padding:40px 0 60px;border-top:1px solid rgba(255,255,255,.08);color:var(--mut);font-size:14px}
.lab .foot .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.lab .foot a{color:#c3cfdb;text-decoration:none;margin-right:16px}.lab .foot a:hover{color:#fff}
/* reveal motion */
.lab [data-rv]{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1);transition-delay:var(--d,0s)}
.lab [data-rv].in{opacity:1;transform:none}
.lab .glow{position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(90px);opacity:.22;background:var(--acc);pointer-events:none;z-index:-1;animation:labFloat 14s ease-in-out infinite alternate}
@keyframes labFloat{from{transform:translate3d(0,0,0)}to{transform:translate3d(60px,-40px,0)}}
@media (prefers-reduced-motion:reduce){.lab .hero>img.bg,.lab .glow{animation:none}.lab [data-rv]{opacity:1;transform:none;transition:none}}
@media (max-width:900px){.lab .feat,.lab .two,.lab .grid3{grid-template-columns:1fr}.lab .pcard{min-height:340px}}
@media (max-width:640px){.lab .links a:not(.keep){display:none}.lab .stats{grid-template-columns:1fr 1fr 1fr;gap:8px}.lab .stat{padding:12px}.lab .stat b{font-size:19px}.lab .stat span{font-size:11.5px}.lab .hero{padding:90px 0 56px;min-height:auto}.lab .section{padding:56px 0}.lab .app{border-radius:20px}}
@media print{.lab .top,.lab .hero,.lab .section:not(.printable),.lab .foot,.lab .tools,.lab .tabs{display:none!important}body.lab{background:#fff;color:#000}.lab .app{box-shadow:none;border:0;background:#fff}}
/* Site-wide layer guard (place-photography.css, contrast-aa.css, arqs-brand.js AA pass assume light cards): keep the Lab's dark-glass ink. */
html body.lab .hero .ey{color:var(--acc)!important;text-shadow:none}
html body.lab .hero h1{-webkit-text-fill-color:transparent!important;text-shadow:none!important}
html body.lab .hero .lead{color:#d6e0ea!important}
html body.lab .lmore{margin:6px 0 14px;padding:14px 16px;border-radius:16px;border:1px dashed rgba(255,255,255,.14);background:rgba(255,255,255,.02)}