:root{color-scheme:dark;--navy:#0D1C2E;--text:#F5F6F8;--secondary:#C3CCD6;--muted:#ADB9C7;--line:#34465A;--focus:#E0C578;font-family:Arial,Helvetica,sans-serif;font-synthesis:none}
*{box-sizing:border-box}
html{min-height:100%;background:var(--navy)}
body{margin:0;min-height:100vh;min-height:100svh;background:var(--navy);color:var(--text);display:grid;justify-items:center;align-content:start;padding:clamp(88px,20svh,200px) clamp(56px,6.25vw,80px) 64px;-webkit-font-smoothing:antialiased}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration-color:transparent;text-underline-offset:5px;text-decoration-thickness:1px}
a:hover{text-decoration-color:currentColor}
a:focus-visible,button:focus-visible{outline:2px solid var(--focus);outline-offset:6px}
.identity{--symbol-size:275px;width:min(1040px,100%);display:grid;grid-template-columns:minmax(0,1fr) var(--symbol-size);gap:110px;align-items:start}
.identity-copy{padding:18px 0}
h1{font-size:48px;line-height:1.12;letter-spacing:-1.25px;font-weight:400;margin:0 0 27px}
.description{font-size:19px;line-height:1.6;font-weight:400;color:var(--secondary);margin:0;max-width:530px}
.contact{display:inline-block;font-size:17px;line-height:1.5;margin-top:34px;text-decoration-color:#677588}
.contact:hover{text-decoration-color:var(--text)}
.details{display:flex;align-items:center;gap:29px;margin-top:58px}
.details a,.details button{font:400 13px/1.5 Arial,Helvetica,sans-serif;color:var(--muted);padding:0;background:none;border:0;border-radius:0;cursor:pointer;text-decoration:underline;text-decoration-color:#596A7D;text-underline-offset:4px;text-decoration-thickness:1px}
.details a:hover,.details button:hover{color:var(--text);text-decoration-color:var(--text)}
.identity-symbol{display:flex;align-items:center;justify-content:center;padding-top:26.5px}
.identity-symbol img{display:block;width:var(--symbol-size);height:auto;max-width:100%}
dialog{width:min(520px,calc(100vw - 40px));max-height:calc(100svh - 40px);padding:0;border:1px solid #435266;border-radius:2px;background:#122338;color:var(--text);box-shadow:0 18px 70px #0006;overflow:auto}
dialog::backdrop{background:#040B15B3}
.dialog-header{padding:23px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}
h2{font-size:21px;font-weight:400;line-height:1.3;margin:0}
.close-icon{display:grid;place-items:center;width:30px;height:30px;margin:-5px -7px -5px 0;background:none;border:0;color:var(--secondary);cursor:pointer}
.close-icon:hover{background:#23364D;color:white}.close-icon svg{fill:none;stroke:currentColor;stroke-width:1.4}
.dialog-content{padding:27px 28px 30px}.legal-name{font-size:24px;font-weight:400;margin:0 0 12px}.legal-type{font-size:14px;line-height:1.65;color:var(--secondary);margin:0}
dl{margin:25px 0 24px}dl>div{display:grid;grid-template-columns:145px 1fr;gap:16px;margin:0 0 21px;font-size:14px;line-height:1.65}dt{color:var(--muted)}dd{margin:0}.register-link{font-size:13px;color:var(--secondary);text-decoration-color:#677588}.register-link span{margin-left:4px}
.dialog-footer{display:flex;justify-content:flex-end;border-top:1px solid var(--line);padding:17px 28px}.close-button{min-width:82px;padding:8px 18px;font:400 13px Arial,Helvetica,sans-serif;color:var(--text);border:1px solid #758397;border-radius:2px;background:none;cursor:pointer}.close-button:hover{background:#24384F}
@media(max-width:1100px){.identity{--symbol-size:clamp(200px,25vw,275px);gap:60px}}
@media(max-width:720px){.desktop-break{display:none}body{padding:clamp(48px,8svh,72px) 32px 48px}.identity{--symbol-size:128px;grid-template-columns:1fr;gap:36px;width:min(440px,100%)}.identity-symbol{grid-row:1;justify-content:flex-start;padding:0}.identity-copy{padding:0}h1{font-size:39px;letter-spacing:-.8px;margin-bottom:22px}.description{font-size:17px;line-height:1.6;max-width:370px}.contact{font-size:16px;margin-top:29px}.details{gap:28px;margin-top:42px}.dialog-header{padding:21px 23px}.dialog-content{padding:25px 23px}.dialog-footer{padding:16px 23px}dl>div{grid-template-columns:1fr;gap:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Approved SS3 composition, 2 November 2026. */
body{--hero-top:clamp(88px,20svh,200px);position:relative;isolation:isolate;overflow-x:clip;background:linear-gradient(117deg,#0D1C2E 28%,#10243B 64%,#1B334A 100%)}
.identity{position:relative;z-index:1}
.scene{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.scene-frame{position:absolute;width:min(1040px,calc(100% - 160px));height:100%;left:50%;transform:translateX(-50%)}
.shadow,.grid-field,.cell{position:absolute}
.shadow{mask:url('assets/sectorlumen-symbol-fitted.svg') center/contain no-repeat;-webkit-mask:url('assets/sectorlumen-symbol-fitted.svg') center/contain no-repeat;aspect-ratio:211.7854/205.212;width:720px;right:-285px;top:calc(var(--hero-top) + 96px);background:linear-gradient(135deg,#354D63,#20384F);opacity:.48}
@media(min-width:721px){.shadow{-webkit-mask-image:url('assets/sectorlumen-symbol-fitted.svg'),linear-gradient(to bottom,#000 0%,#000000D1 20%,#0000006B 45%,#0000001F 70%,transparent 92%);mask-image:url('assets/sectorlumen-symbol-fitted.svg'),linear-gradient(to bottom,#000 0%,#000000D1 20%,#0000006B 45%,#0000001F 70%,transparent 92%);-webkit-mask-composite:source-in;mask-composite:intersect}}
.grid-field{width:768px;height:640px;right:-301px;top:calc(var(--hero-top) - 13.5px);background-image:linear-gradient(to right,#A0BBD21B 1px,transparent 1px),linear-gradient(to bottom,#A0BBD21B 1px,transparent 1px);background-size:96px 40px;mask-image:radial-gradient(ellipse at 47% 37%,black 20%,transparent 73%)}
.cell{width:192px;height:40px;right:179px;top:calc(var(--hero-top) + 346.5px);border:1px solid #94AEC32B;background:#8AA9C307}
.cell:after{content:'';position:absolute;width:4px;height:4px;right:-2px;bottom:-2px;background:#8DA8BB}
@media(min-width:721px) and (max-width:1100px){.scene-frame{width:calc(100% - 112px);mask-image:linear-gradient(to right,transparent 56%,black 72%)}}
/* Mobile: anchor the artwork to the same content column, independent of viewport width. */
@media(max-width:720px){
body{--mobile-gutter:clamp(28px,7.5vw,32px);--mobile-top:clamp(40px,7svh,64px);--mobile-symbol:clamp(112px,30vw,120px);padding:var(--mobile-top) max(var(--mobile-gutter),env(safe-area-inset-right)) max(40px,env(safe-area-inset-bottom)) max(var(--mobile-gutter),env(safe-area-inset-left));background:linear-gradient(150deg,#11243A,#0D1C2E 50%,#192F45)}
.identity{--symbol-size:var(--mobile-symbol);gap:32px}
h1{font-size:clamp(34px,9vw,39px);margin-bottom:20px}
.description{max-width:370px}.contact{margin-top:28px;min-height:44px;display:inline-flex;align-items:center;max-width:100%;overflow-wrap:anywhere}
.details{margin-top:22px;gap:clamp(20px,6vw,28px);flex-wrap:wrap;row-gap:4px}.details a,.details button{min-height:44px;display:inline-flex;align-items:center}.close-icon{width:44px;height:44px}.close-button{min-height:44px}
.scene{height:calc(var(--mobile-top) + var(--mobile-symbol) * .969 + 24px);-webkit-mask-image:linear-gradient(black 45%,transparent 100%);mask-image:linear-gradient(black 45%,transparent 100%)}
.scene-frame{width:min(440px,calc(100% - var(--mobile-gutter) * 2))}
.shadow{width:330px;top:22px;left:72px;right:auto;opacity:.28}
.grid-field{width:480px;height:260px;left:-74px;right:auto;top:30px;opacity:.6;background-size:64px 28px;-webkit-mask-image:radial-gradient(ellipse at 50% 35%,black 15%,transparent 80%);mask-image:radial-gradient(ellipse at 50% 35%,black 15%,transparent 80%)}
.cell{width:128px;height:28px;left:160px;right:auto;top:153px;opacity:.55}
}
@media(max-width:960px) and (max-height:500px) and (orientation:landscape){body{padding:32px max(32px,env(safe-area-inset-right)) 32px max(32px,env(safe-area-inset-left))}.identity{--symbol-size:112px;width:min(760px,100%);grid-template-columns:minmax(0,1fr) 112px;gap:40px}.identity-symbol{grid-row:auto;justify-content:flex-end;padding-top:6px}.identity-copy{padding:0}h1{font-size:36px;margin-bottom:18px}.description{font-size:17px}.desktop-break{display:none}.contact{font-size:16px;margin-top:20px;min-height:44px;display:inline-flex;align-items:center}.details{margin-top:18px;gap:28px;flex-wrap:wrap}.details a,.details button{min-height:44px;display:inline-flex;align-items:center}.close-icon{width:44px;height:44px}.close-button{min-height:44px}.scene{display:none}}