/* Greenberg AI Labs — Lab Noir (brand kit v2). Not published. */
@font-face{
  font-family:"Inter";
  src:url("../assets/fonts/Inter.woff2") format("woff2"),
      url("../assets/fonts/Inter.woff") format("woff"),
      url("../assets/fonts/Inter.ttf") format("truetype");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Space Grotesk";
  src:url("../assets/fonts/SpaceGrotesk.woff2") format("woff2"),
      url("../assets/fonts/SpaceGrotesk.woff") format("woff"),
      url("../assets/fonts/SpaceGrotesk.ttf") format("truetype");
  font-weight:300 700;
  font-style:normal;
  font-display:swap;
}

:root{
  --bg:#06080D;
  --surface:#121722;
  --ink:#F2F5FA;
  --mut:#8B95A8;
  --line:rgba(242,245,250,.09);
  --accent:#2F80FF;
  --led:#2F80FF;
  --led2:#5B9BFF;
  --btn-ink:#06080D;
  --chrome:linear-gradient(100deg,#fff 0%,#9aa3ad 30%,#f4f7fa 50%,#6c747d 72%,#e6ebf0 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:300 17px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:50;opacity:.05;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence baseFrequency='.9'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:"Space Grotesk",system-ui,sans-serif;font-weight:500;letter-spacing:-.03em;line-height:1}
h1{font-size:clamp(3rem,9vw,8.5rem)}
h1 em,h2{font-style:normal;background:var(--chrome);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 8s linear infinite}
h2{font-size:clamp(2.2rem,5vw,4.2rem);margin:.3em 0 .4em}
h3{font-size:1.35rem;margin:.6em 0 .4em}
@keyframes sheen{to{background-position:-200% 0}}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase}
.eyebrow{color:var(--mut);display:flex;align-items:center;gap:.6em}
.muted{color:var(--mut);max-width:60ch}.small{font-size:.85rem}.center{text-align:center;margin-top:3rem}
.led{width:7px;height:7px;border-radius:50%;background:var(--led);box-shadow:0 0 12px var(--led);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}

.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;z-index:99;background:#fff;color:#000;padding:.5rem 1rem}
:focus-visible{outline:2px solid var(--led);outline-offset:3px}
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:1rem clamp(1rem,4vw,3rem);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px);background:rgba(6,8,13,.55);border-bottom:1px solid var(--line)}
.logo{font:500 1rem "Space Grotesk",system-ui,sans-serif;display:flex;align-items:center;gap:.6rem}
.logo-mark{height:38px;width:auto;display:block;filter:drop-shadow(0 0 10px rgba(47,128,255,.28))}
.wordmark{text-transform:uppercase;letter-spacing:.22em;font-size:.78rem;font-weight:500;color:#cfd6de;white-space:nowrap}
@media(max-width:600px){.logo-mark{height:30px}.wordmark{font-size:.68rem;letter-spacing:.16em}}
.nav nav{display:flex;gap:2rem;font-size:.9rem;color:var(--mut)}.nav nav a:hover{color:var(--ink)}
/* Primary buttons: dark text on Electric Blue (brand contrast rule) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;padding:.95em 1.6em;border-radius:999px;background:var(--accent);color:var(--btn-ink);font:500 .95rem Inter,system-ui,sans-serif;border:0;cursor:pointer;transition:transform .3s,box-shadow .3s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 40px -10px var(--led)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--ink);border:1px solid var(--line);backdrop-filter:blur(8px)}
.btn-sm{padding:.6em 1.1em;font-size:.85rem}
.hero{position:relative;min-height:100svh;display:grid;place-items:center;overflow:hidden}
#gl{position:absolute;inset:0;width:100%;height:100%}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 30%,var(--bg) 85%),linear-gradient(transparent 70%,var(--bg))}
.hero-inner{position:relative;z-index:2;padding:7rem clamp(1.2rem,5vw,4rem) 4rem;max-width:1200px;width:100%}
.lede{max-width:46ch;font-size:clamp(1rem,1.5vw,1.2rem);color:#c4cbd3;margin:1.8rem 0 2.2rem}
.cta-row{display:flex;gap:1rem;flex-wrap:wrap}
.scroll-hint{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:2;color:var(--mut)}
.scroll-hint::after{content:"";display:block;width:1px;height:40px;margin:.6rem auto 0;background:linear-gradient(var(--led),transparent);animation:drop 2s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1)}}
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:1.3rem 0;background:var(--surface)}
.track{display:flex;gap:2.5rem;width:max-content;animation:mq 40s linear infinite;font:400 clamp(1.2rem,2.5vw,2rem) "Space Grotesk",system-ui,sans-serif;color:#5d6570;white-space:nowrap;align-items:center}
.track i{width:8px;height:8px;border:1px solid var(--led);transform:rotate(45deg)}
@keyframes mq{to{transform:translateX(-50%)}}
.section{padding:clamp(5rem,12vw,10rem) clamp(1.2rem,5vw,4rem);max-width:1320px;margin:auto}
.head{margin-bottom:3.5rem}
.glass{background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(18,23,34,.55));border:1px solid var(--line);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.card{padding:2rem 1.6rem;min-height:300px;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:transform .4s,border-color .4s;transform-style:preserve-3d;background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(18,23,34,.7))}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(47,128,255,.16),transparent 40%);opacity:0;transition:opacity .4s}
.card:hover{border-color:rgba(47,128,255,.4)}.card:hover::before{opacity:1}
.card p{color:var(--mut);flex:1}.card .num{color:var(--led)}

.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.steps li{padding:2rem 1.5rem 0 0;position:relative}
.steps li::before{content:"";position:absolute;top:-1px;left:0;width:0;height:1px;background:var(--led);box-shadow:0 0 10px var(--led);transition:width 1.2s .3s}
.steps li.in::before{width:100%}
.steps span{color:var(--led)}.steps p{color:var(--mut)}
.about{display:grid;grid-template-columns:1fr 1.1fr;gap:4rem;align-items:center}
.stone{aspect-ratio:4/5;border-radius:24px;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.14),transparent 40%),repeating-linear-gradient(115deg,#15181c 0 3px,#1c2026 3px 7px,#121418 7px 13px),var(--surface);border:1px solid var(--line);position:relative;box-shadow:inset 0 0 80px #000}
.stone::after{content:"";position:absolute;left:10%;right:10%;bottom:14%;height:2px;background:var(--led);box-shadow:0 0 30px 6px rgba(47,128,255,.45);border-radius:2px}
.about p:not(.eyebrow){color:#c4cbd3;max-width:52ch}
.panel{padding:clamp(1.8rem,5vw,4rem);max-width:900px;margin:auto}
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2rem}.full{grid-column:1/-1}
.form label{display:flex;flex-direction:column;gap:.4rem;font-size:.8rem;color:var(--mut)}
.form input,.form textarea,.form select{background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem;color:var(--ink);font:inherit;font-size:1rem;transition:border-color .3s,box-shadow .3s}
.form input:focus,.form textarea:focus,.form select:focus{outline:0;border-color:var(--led);box-shadow:0 0 0 4px rgba(47,128,255,.14)}
.form a{color:var(--led)}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding:2rem clamp(1.2rem,5vw,4rem);border-top:1px solid var(--line);color:var(--mut);font-size:.85rem}
.reveal{opacity:0;transform:translateY(40px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

.no-js .reveal{opacity:1;transform:none}
.cursor{position:fixed;width:28px;height:28px;margin:-14px;border:1px solid rgba(47,128,255,.7);border-radius:50%;pointer-events:none;z-index:60;transition:width .25s,height .25s,margin .25s,background .25s;mix-blend-mode:difference;display:none}
.cursor.big{width:64px;height:64px;margin:-32px;background:rgba(47,128,255,.12)}
@media (hover:hover) and (pointer:fine){.cursor{display:block}}
@media (max-width:1000px){.grid4{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr;gap:1rem}}
@media (max-width:700px){.nav nav{display:none}.grid4,.about,.form{grid-template-columns:1fr}.card{min-height:0}.stone{aspect-ratio:16/10}.steps{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}.reveal{opacity:1;transform:none}}

.center{margin-top:6rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.card ul{list-style:none;margin:1.2rem 0 1.4rem;border-top:1px solid var(--line)}
.card li{padding:.6rem 0;border-bottom:1px solid var(--line);font-size:.92rem;color:#c4cbd3;display:flex;gap:.6rem}
.card li::before{content:"";flex:none;width:6px;height:6px;margin-top:.55em;border:1px solid var(--led);transform:rotate(45deg)}
.card strong{color:var(--ink);font-weight:500}
.card.feature{border-color:rgba(47,128,255,.35);box-shadow:0 0 60px -20px rgba(47,128,255,.4)}
@media (max-width:1000px){.grid3{grid-template-columns:1fr}}
[data-depth],#gl{will-change:translate,transform}
.orbs{position:absolute;inset:0;z-index:1;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(2px)}
.o1{width:10px;height:10px;left:72%;top:28%;background:var(--led);box-shadow:0 0 40px 10px rgba(47,128,255,.5)}
.o2{width:6px;height:6px;left:18%;top:70%;background:var(--led2);box-shadow:0 0 30px 8px rgba(91,155,255,.5)}
.o3{width:120px;height:120px;left:82%;top:62%;border:1px solid rgba(255,255,255,.12);background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.12),transparent 60%);filter:none;backdrop-filter:blur(6px)}
.section{overflow-x:clip}
/* logo lockups */
.nav .logo{display:flex;align-items:center;gap:.6rem}
.nav .logo-mark{height:44px;width:auto;filter:drop-shadow(0 0 8px rgba(47,128,255,.35))}
.nav .wordmark{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:#c9d1d9;font-weight:500}
.hero-logo{display:flex;flex-direction:column;align-items:flex-start;gap:.7rem;margin-bottom:2.6rem}
.hero-logo img{height:112px;width:auto;max-width:140px;filter:drop-shadow(0 0 22px rgba(47,128,255,.35))}
.hero-wordmark{font-family:"Space Grotesk",system-ui,sans-serif;font-size:.8rem;letter-spacing:.42em;text-transform:uppercase;background:linear-gradient(180deg,#fff,#9aa4ae);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (max-width:640px){.hero-logo img{height:76px;max-width:96px}.hero-wordmark{font-size:.68rem;letter-spacing:.32em}.nav .logo-mark{height:38px}.nav .wordmark{font-size:.62rem;letter-spacing:.16em}}

.hp{display:none!important;position:absolute;left:-9999px}