/* Icon Surveys Group — brand system
   ISG Red #E31E24 · Charcoal #58595B · dark charcoal ground · contour line motif */
:root{
  color-scheme:dark;
  --bg:#121314; --bg2:#17181A; --panel:#1D1E21; --panel2:#24252A; --line:#2C2D31;
  --charcoal:#58595B; --fg:#EDEDEE; --muted:#A4A6AA; --dim:#7C7E83;
  --red:#E31E24; --red-hi:#F23A40; --red-text:#FF6B6F;
  --font:"Archivo",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --gl:max(24px,env(safe-area-inset-left,0px)); --gr:max(24px,env(safe-area-inset-right,0px));
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
a{color:var(--red-text);text-decoration:none}
a:hover{color:#fff}
img{max-width:100%}
:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:4px}
h1,h2,h3{margin:0;font-stretch:112%;font-weight:800;letter-spacing:-.035em;text-wrap:balance;color:#fff}
h2{font-size:clamp(38px,5.2vw,72px);line-height:.96}
h3{font-stretch:108%;letter-spacing:-.02em}
p{margin:0}
.wrap{max-width:1280px;margin:0 auto;padding-left:var(--gl);padding-right:var(--gr)}
.mono{font-family:var(--mono);letter-spacing:.06em}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--red-text)}
.lede{font-size:18px;line-height:1.6;color:#C8CACE;max-width:58ch}
.contours{background-image:url(contours.svg);background-size:cover;background-position:center}
.section{padding-block:clamp(80px,10vw,128px)}
.alt{background:var(--bg2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font:600 15px var(--font);border:0;cursor:pointer;text-decoration:none;transition:background-color .2s ease,transform .25s ease,box-shadow .25s ease}
.btn:hover{transform:translateY(-1px)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-hi);color:#fff;box-shadow:0 12px 30px rgba(227,30,36,.35)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.22)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
@media (prefers-reduced-motion:reduce){.btn,.btn:hover{transition:none;transform:none}}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(18,19,20,.82);backdrop-filter:saturate(160%) blur(16px);-webkit-backdrop-filter:saturate(160%) blur(16px);border-bottom:1px solid rgba(255,255,255,.07)}
.top .bar{display:flex;align-items:center;justify-content:space-between;gap:16px 28px;min-height:76px}
.top nav{display:flex;align-items:center;gap:26px}
.top nav a:not(.btn){color:#C8CACE;font-size:15px;font-weight:500}
.top nav a:not(.btn):hover,.top nav a[aria-current="page"]{color:#fff}
.menu{display:none;background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:10px;min-width:44px;min-height:44px;cursor:pointer}
@media (max-width:900px){
  .menu{display:inline-flex;align-items:center;justify-content:center}
  .top nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);padding:8px var(--gr) 20px var(--gl);border-bottom:1px solid var(--line)}
  .top nav.open{display:flex}
  .top nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .top nav .btn{margin-top:16px}
}

/* cards & bits */
.chip{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;border:1.5px solid rgba(255,255,255,.2);background:transparent;color:#C8CACE;font:600 14px var(--font);cursor:pointer;transition:all .2s ease}
.chip:hover{border-color:#fff;color:#fff}
.chip[aria-pressed="true"]{background:var(--red);border-color:var(--red);color:#fff}
.field{width:100%;min-height:52px;padding:14px 16px;border-radius:12px;border:1.5px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);color:#fff;font:15px var(--font)}
.field:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 4px rgba(227,30,36,.22)}
label.lbl{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}
.tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:6px;font-family:var(--mono);font-size:12px;letter-spacing:.06em}

/* featured showcase */
.show{display:flex;gap:14px;min-height:560px}
.panel{position:relative;flex:1 1 0;min-width:0;border-radius:24px;overflow:hidden;background:#000;color:#fff;text-decoration:none;transition:flex-grow .6s cubic-bezier(.2,.8,.2,1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.panel:hover,.panel:focus-visible,.panel.on{flex-grow:2.2;color:#fff}
.panel .vis{position:absolute;inset:0}
.panel .vis img,.panel .vis canvas{width:100%;height:100%;object-fit:cover;display:block}
.panel .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,0) 35%,rgba(0,0,0,.85) 100%)}
.panel .txt{position:absolute;left:28px;right:28px;bottom:26px;display:flex;flex-direction:column;gap:10px}
.panel .txt h3{font-size:clamp(26px,2.6vw,38px);line-height:1}
.panel .txt p{font-size:15px;color:#D4D6DA;max-width:46ch}
.panel .go{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:#fff}
.panel .go svg{transition:transform .25s ease}
.panel:hover .go svg{transform:translateX(4px)}
.panel .num{position:absolute;left:28px;top:24px}
@media (min-width:901px){.panel:not(.on) .uvtag{display:none}}
@media (max-width:900px){.show{flex-direction:column;min-height:0}.panel{min-height:380px}.panel:hover,.panel.on{flex-grow:1}}
@media (prefers-reduced-motion:reduce){.panel{transition:none}}

/* UV reticle + pulse */
.pulse{position:absolute;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;background:#FF3B30;box-shadow:0 0 22px 8px rgba(255,59,48,.7)}
.pulse::before,.pulse::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #FF3B30;animation:ring 2.4s cubic-bezier(.2,.6,.3,1) infinite}
.pulse::after{animation-delay:1.2s}
@keyframes ring{0%{transform:scale(1);opacity:.9}100%{transform:scale(6);opacity:0}}
.reticle{position:absolute;width:76px;height:76px;margin:-38px 0 0 -38px;border:1.5px solid rgba(255,107,111,.95);border-radius:6px;animation:lock 3s ease-in-out infinite}
@keyframes lock{0%,100%{transform:scale(1.18);opacity:.5}40%,70%{transform:scale(1);opacity:1}}
.scanline{position:absolute;left:0;right:0;height:2px;background:var(--red);box-shadow:0 0 18px 5px rgba(227,30,36,.55);animation:sweep 3.6s ease-in-out infinite}
@keyframes sweep{0%{top:6%}50%{top:90%}100%{top:6%}}
@media (prefers-reduced-motion:reduce){.pulse::before,.pulse::after,.reticle,.scanline{animation:none}}

/* capabilities accordion */
.row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;width:100%;padding:26px 8px;border:0;background:transparent;color:#fff;text-align:left;font-family:inherit;cursor:pointer;border-top:1px solid var(--line);transition:background-color .25s ease}
.row:hover{background:rgba(255,255,255,.025)}
.row .n{flex:0 0 44px;font-family:var(--mono);font-size:14px;color:var(--dim)}
.row .t{flex:1 1 300px;font-stretch:108%;font-weight:700;font-size:clamp(24px,2.7vw,34px);letter-spacing:-.02em;transition:color .25s ease}
.row .s{flex:0 1 280px;font-size:15px;color:var(--muted)}
.row .g{flex:0 0 auto;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--dim);border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.row .plus{flex:none;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.row[aria-expanded="true"] .plus{transform:rotate(45deg)}
.row[aria-expanded="true"] .t,.row:hover .t{color:var(--red-text)}
.drawer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s cubic-bezier(.2,.8,.2,1)}
.drawer.open{grid-template-rows:1fr}
.drawer>div{overflow:hidden}
.dgrid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,4fr) minmax(0,4fr);gap:32px;padding:6px 8px 44px 80px}
.dgrid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;display:block}
.recv{display:grid;grid-template-columns:minmax(0,1fr);gap:6px;margin-top:22px;padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.05);font-size:15px;line-height:1.5;color:#D4D6DA}
.recv .k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--red-text)}
.items{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.items li{display:flex;gap:10px;align-items:flex-start;font-size:15px;font-weight:600;padding:10px 14px;border-radius:12px;background:var(--panel)}
@media (max-width:900px){.dgrid{grid-template-columns:minmax(0,1fr);padding-left:8px}}
@media (prefers-reduced-motion:reduce){.drawer,.row .plus{transition:none}}

/* point cloud + gpr boxes */
.viewer{position:relative;border-radius:24px;overflow:hidden;background:radial-gradient(120% 90% at 50% 0%,#1f2024 0%,#0d0e10 70%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.viewer canvas{display:block;width:100%;height:100%;cursor:grab;touch-action:none}
.viewer .hud{position:absolute;left:18px;bottom:16px;right:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:12px;color:var(--muted);pointer-events:none}
.viewer .hud b{color:#fff;font-weight:500}

/* badges strip */
.cred{background:var(--red);color:#fff}
.cred h2{font-size:clamp(28px,3.4vw,46px);line-height:1.02;letter-spacing:-.03em}
.badge{min-height:64px;padding:0 18px;border-radius:14px;background:rgba(0,0,0,.2);display:flex;align-items:center;font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em}

@media (max-width:900px){.wrap[style*="grid-template-columns:minmax(0,"]{grid-template-columns:minmax(0,1fr)!important}}
footer.ft{border-top:1px solid var(--line);padding-block:40px 56px;font-size:14px;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#fff;color:#111;padding:10px 16px;border-radius:999px;font-weight:600;font-size:14px;z-index:90}
.impact{background:var(--panel);border-radius:20px;padding:clamp(22px,3vw,34px);margin-top:16px}
.impact .note{color:var(--muted);font-size:15px;margin-top:10px}
.impact .note a{color:var(--muted);text-decoration:underline}
.who{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.who span{font:500 12px var(--mono);letter-spacing:.04em;color:#C8CACE;background:var(--panel2);border-radius:999px;padding:6px 12px}
.segs{display:flex;flex-wrap:wrap;gap:16px 24px;margin-top:22px}
.sl{font:500 11px var(--mono);letter-spacing:.1em;color:var(--muted);margin-bottom:8px}
.seg{display:inline-flex;flex-wrap:wrap;background:var(--panel2);border-radius:999px;padding:4px;gap:4px}
.seg button{min-height:40px;padding:0 16px;border:0;border-radius:999px;background:transparent;color:#C8CACE;font:600 14px var(--font);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--red);color:#fff}
.fields4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:18px}
.fields4 label{display:block;font:500 11px var(--mono);letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.fields4 input{width:100%;min-height:44px;background:var(--panel2);border:1px solid var(--line);border-radius:10px;color:#fff;font:600 16px var(--font);padding:0 12px}
.res{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:16px;margin-top:20px}
.tot{background:rgba(227,30,36,.1);border-left:3px solid var(--red);border-radius:0 14px 14px 0;padding:18px 20px}
.tot .x{font-weight:800;font-stretch:110%;font-size:clamp(40px,4.4vw,56px);color:#fff;line-height:1}
.tot p{color:#C8CACE;font-size:14.5px;margin-top:10px}
.tot p b{color:#fff}
.bar{display:flex;height:12px;border-radius:999px;overflow:hidden;margin-top:16px;background:var(--panel2)}
.bar span{display:block;height:100%}
.leg{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:8px;font:500 11px var(--mono);color:var(--muted)}
.leg i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:6px;vertical-align:-1px}
.scen{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.sc{background:var(--panel2);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.sc .h{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.sc .h b{color:#fff;font-size:15px}
.sc .h span{font:700 12px var(--mono);color:var(--red-text)}
.sc p{color:#B9BBC0;font-size:13px;line-height:1.45}
.sc .c{margin-top:auto;font-weight:800;font-stretch:110%;font-size:22px;color:#fff}
.sc .d{font:500 11px var(--mono);color:var(--muted)}
.method{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
.method summary{cursor:pointer;color:#fff;font-weight:600;font-size:15px;min-height:32px}
.mgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;margin-top:10px}
.mgrid p{color:#B9BBC0;font-size:14px}
.mgrid b{color:#fff}
.mt{width:100%;border-collapse:collapse;margin-top:14px;font-size:13px;min-width:520px}
.mt th,.mt td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);color:#C8CACE}
.mt thead th{font:500 11px var(--mono);letter-spacing:.06em;color:var(--muted)}
.mt tbody th{color:#fff;font-weight:600}
@media screen and (max-width:900px){.fields4{grid-template-columns:repeat(2,minmax(0,1fr))}.res{grid-template-columns:minmax(0,1fr)}.scen{grid-template-columns:minmax(0,1fr)}.mgrid{grid-template-columns:minmax(0,1fr)}.tblx{overflow-x:auto}}
/* photo frames */
.cam{position:relative;border-radius:8px;overflow:hidden;aspect-ratio:8/5;background:#0B0C0E}
.cam img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.fc .img .cam svg.ov{position:absolute;inset:0;width:100%;height:100%;border-radius:0}
.cam .uv,.cam .glow{mix-blend-mode:screen}
@media screen and (prefers-reduced-motion:no-preference){.cam .glow{animation:uvflick 1.3s infinite}}
@keyframes uvflick{0%{opacity:.85}18%{opacity:1}27%{opacity:.7}45%{opacity:.95}63%{opacity:.75}80%{opacity:1}100%{opacity:.85}}
.tot .cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tot .cta .btn{min-height:44px;padding:0 20px;font-size:14px}
/* Why it pays (service page) */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:34px}
.stats>div{background:var(--panel);border-radius:18px;padding:20px 22px;border-top:3px solid var(--red)}
.stats .n{font-weight:800;font-stretch:110%;font-size:clamp(30px,3.2vw,44px);color:#fff;line-height:1}
.stats p{color:#B9BBC0;font-size:14.5px;margin-top:10px;line-height:1.45}
.srcline{color:var(--dim);font-size:12.5px;margin-top:12px}
.srcline a{color:var(--muted);text-decoration:underline}
.fx{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:30px}
.fx article{background:var(--panel);border-radius:20px;overflow:hidden;display:flex;flex-direction:column}
.fx img{display:block;width:100%;aspect-ratio:8/5;object-fit:cover}
.fx .b{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.fx .rk{display:inline-flex;align-items:center;gap:8px;font:700 11px var(--mono);letter-spacing:.1em;text-transform:uppercase}
.fx .rk::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.fx .rk.High{color:#FF6B6F}.fx .rk.Medium{color:#F2B04A}.fx .rk.Low{color:#5CC79A}
.fx h3{font-size:19px}
.fx p{color:#B9BBC0;font-size:14.5px;line-height:1.5}
.fx p b{color:#fff;font-weight:600}
@media screen and (max-width:900px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.fx{grid-template-columns:minmax(0,1fr)}}

/* official credential logos on the red About band */
.logo-tile{height:80px;padding:10px 14px;border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center}
.logo-tile img{height:60px;width:auto;display:block}
.logo-tile.ccib{flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;color:#13233D;padding:10px 16px}
.logo-tile.ccib b{font-family:var(--mono);font-size:20px;letter-spacing:.08em;color:var(--red);line-height:1}
.logo-tile.ccib small{font-size:12px;line-height:1.2;max-width:12ch;color:#3a3d42}

/* ---------- Field photos ---------- */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.gi{position:relative;display:block;padding:0;border:0;background:#000;border-radius:18px;overflow:hidden;cursor:zoom-in;aspect-ratio:4/3;color:#fff;font:inherit;text-align:left}
.gi img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s cubic-bezier(.2,.8,.2,1),opacity .3s}
.gi span{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 12px;font-size:13px;line-height:1.3;background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.78));opacity:0;transition:opacity .3s}
.gi:hover img,.gi:focus-visible img{transform:scale(1.04)}
.gi:hover span,.gi:focus-visible span{opacity:1}
.mosaic{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:clamp(150px,17vw,250px);gap:12px}
.mosaic .gi{aspect-ratio:auto}
.mosaic .gi:nth-child(1){grid-column:span 2;grid-row:span 2}
.mosaic .gi:nth-child(6){grid-column:span 2}
@media (max-width:900px){.mosaic{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:clamp(140px,40vw,220px)}.mosaic .gi:nth-child(6){grid-column:span 1}.mosaic .gi:last-child:nth-child(even){grid-column:span 2}}
@media (hover:none){.gi span{opacity:1}}
.lb{position:fixed;inset:0;z-index:100;background:rgba(8,9,10,.94);display:flex;align-items:center;justify-content:center;gap:10px;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
.lb figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:12px;max-width:min(1400px,100%);min-width:0}
.lb img{max-width:100%;max-height:calc(100vh - 110px);object-fit:contain;border-radius:12px;display:block}
.lb figcaption{font-family:var(--mono);font-size:13px;color:var(--muted);text-align:center}
.lb button{background:rgba(255,255,255,.08);color:#fff;border:0;border-radius:999px;width:46px;height:46px;font-size:28px;line-height:1;cursor:pointer;flex:none}
.lb button:hover{background:rgba(255,255,255,.18)}
.lb .lb-x{position:absolute;top:max(16px,env(safe-area-inset-top));right:max(16px,env(safe-area-inset-right))}
@media (max-width:600px){.lb .lb-p,.lb .lb-n{position:absolute;bottom:max(16px,env(safe-area-inset-bottom))}.lb .lb-p{left:30%}.lb .lb-n{right:30%}}
.vid{position:relative;border-radius:24px;overflow:hidden;background:#000;aspect-ratio:16/9;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.vid video{width:100%;height:100%;display:block;object-fit:cover}
.hero-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 40%}