:root{
  --bg:#0b1020; --bg-2:#111733; --surface:rgba(255,255,255,.04); --surface-2:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.09); --text:#e8ecf8; --muted:#9aa4c4;
  --p1:#6366f1; --p2:#06b6d4; --p3:#a855f7;
  --grad:linear-gradient(135deg,var(--p1),var(--p2));
  --radius:18px; --shadow:0 20px 50px -20px rgba(0,0,0,.6);
  --max:1180px;
}
:root[data-theme="light"]{
  --bg:#f7f8fc; --bg-2:#eef1fa; --surface:#ffffff; --surface-2:#ffffff;
  --border:rgba(15,23,42,.09); --text:#0f172a; --muted:#56607a;
  --shadow:0 20px 45px -25px rgba(30,41,90,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;transition:background .4s,color .4s}
h1,h2,h3,h4{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.15;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
section{padding:110px 0;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--p2);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.section-head{max-width:680px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head h2{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.07rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:.97rem;border:1px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px -10px rgba(99,102,241,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -10px rgba(6,182,212,.7)}
.btn-ghost{border-color:var(--border);background:var(--surface);color:var(--text);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--p1);transform:translateY(-2px)}
.btn svg{width:18px;height:18px;transition:transform .25s}
.btn:hover svg{transform:translateX(4px)}

/* Nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .3s,border-color .3s,padding .3s;padding:20px 0;border-bottom:1px solid transparent}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--border);padding:12px 0}
.nav .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-weight:700;font-size:1.25rem;letter-spacing:.02em}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:1.1rem;box-shadow:0 6px 18px -6px rgba(99,102,241,.8)}
.nav-links{display:flex;gap:6px;list-style:none}
.nav-links a{padding:8px 14px;border-radius:999px;font-size:.93rem;font-weight:500;color:var(--muted);transition:color .2s,background .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--surface-2)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--surface);color:var(--text);display:grid;place-items:center;cursor:pointer;transition:border-color .2s}
.icon-btn:hover{border-color:var(--p1)}
.icon-btn svg{width:18px;height:18px}
.nav .btn{padding:10px 20px;font-size:.9rem}
.menu-toggle{display:none}
.sun{display:none}:root[data-theme="light"] .sun{display:block}:root[data-theme="light"] .moon{display:none}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;padding:140px 0 90px;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:200px;background:linear-gradient(transparent,var(--bg));z-index:0;pointer-events:none}
#network{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.55}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45;z-index:0;animation:float 14s ease-in-out infinite}
.blob.b1{width:520px;height:520px;background:var(--p1);top:-140px;left:-120px}
.blob.b2{width:440px;height:440px;background:var(--p2);bottom:-160px;right:-100px;animation-delay:-6s}
.blob.b3{width:300px;height:300px;background:var(--p3);top:40%;left:55%;opacity:.25;animation-delay:-3s}
:root[data-theme="light"] .blob{opacity:.22}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.08)}}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 8px;border-radius:999px;border:1px solid var(--border);background:var(--surface);backdrop-filter:blur(8px);font-size:.85rem;color:var(--muted);margin-bottom:26px}
.pill b{background:var(--grad);color:#fff;font-size:.72rem;padding:3px 10px;border-radius:999px;font-weight:600}
.hero h1{font-size:clamp(2.5rem,5.6vw,4.4rem);margin-bottom:22px}
.typed{display:inline-block;min-width:1ch}
.typed::after{content:"";display:inline-block;width:3px;height:.9em;margin-left:4px;background:var(--p2);vertical-align:-.08em;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:560px;margin-bottom:34px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:46px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{font-size:.82rem;padding:6px 14px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:var(--surface)}

/* Hero visual */
.hero-visual{position:relative;height:440px}
.orbit{position:absolute;inset:0;margin:auto;border:1px dashed var(--border);border-radius:50%;animation:spin 40s linear infinite}
.orbit.o1{width:420px;height:420px}.orbit.o2{width:280px;height:280px;animation-direction:reverse;animation-duration:28s}
@keyframes spin{to{transform:rotate(360deg)}}
.orbit .node{position:absolute;width:52px;height:52px;border-radius:14px;background:var(--bg-2);border:1px solid var(--border);display:grid;place-items:center;box-shadow:var(--shadow);font-size:.7rem;font-weight:700;color:var(--text)}
.orbit .node span{animation:spin 40s linear infinite reverse;display:block}
.orbit.o2 .node span{animation:spin 28s linear infinite}
.o1 .node:nth-child(1){top:-26px;left:calc(50% - 26px)}.o1 .node:nth-child(2){bottom:-26px;left:calc(50% - 26px)}
.o1 .node:nth-child(3){left:-26px;top:calc(50% - 26px)}.o1 .node:nth-child(4){right:-26px;top:calc(50% - 26px)}
.o2 .node:nth-child(1){top:12px;left:12px}.o2 .node:nth-child(2){bottom:12px;right:12px}
.core{position:absolute;inset:0;margin:auto;width:130px;height:130px;border-radius:32px;background:var(--grad);display:grid;place-items:center;color:#fff;font-family:"Space Grotesk";font-weight:700;font-size:2.6rem;box-shadow:0 30px 70px -20px rgba(99,102,241,.9);animation:pulse 4s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.06);box-shadow:0 30px 90px -10px rgba(6,182,212,.8)}}

/* Stats strip */
.stats{padding:0;margin-top:-30px;position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);backdrop-filter:blur(10px);overflow:hidden}
.stat{padding:30px 24px;text-align:center;border-right:1px solid var(--border)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-family:"Space Grotesk";font-size:2.4rem;line-height:1.1}
.stat > span{color:var(--muted);font-size:.9rem}

/* Services */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{position:relative;padding:32px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);transition:transform .35s,border-color .35s,box-shadow .35s;overflow:hidden;transform-style:preserve-3d}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(99,102,241,.16),transparent 45%);opacity:0;transition:opacity .35s;pointer-events:none}
.card:hover{border-color:rgba(99,102,241,.45);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card-icon{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(99,102,241,.18),rgba(6,182,212,.18));border:1px solid rgba(99,102,241,.3);margin-bottom:22px;color:var(--p2)}
.card-icon svg{width:26px;height:26px}
.card h3{font-size:1.3rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem;margin-bottom:18px}
.card ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.card li{font-size:.76rem;padding:4px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);color:var(--muted)}

/* Tech marquee */
.tech{padding:80px 0;background:var(--bg-2)}
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:18px;width:max-content;animation:scroll 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.tech-item{display:flex;align-items:center;gap:12px;padding:16px 26px;border-radius:14px;border:1px solid var(--border);background:var(--surface);font-weight:600;white-space:nowrap}
.tech-item i{width:10px;height:10px;border-radius:50%;background:var(--grad);box-shadow:0 0 12px var(--p2)}

/* Process */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;position:relative}
.process::before{content:"";position:absolute;top:30px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,transparent,var(--p1),var(--p2),transparent);opacity:.5}
.step{position:relative;text-align:center;padding:0 10px}
.step-num{width:60px;height:60px;margin:0 auto 22px;border-radius:50%;display:grid;place-items:center;background:var(--bg);border:2px solid var(--p1);font-family:"Space Grotesk";font-weight:700;font-size:1.2rem;position:relative;z-index:1;box-shadow:0 0 0 6px var(--bg)}
.step h4{font-size:1.15rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.93rem}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-text p{color:var(--muted);margin-bottom:18px;font-size:1.05rem}
.checks{list-style:none;display:grid;gap:14px;margin-top:26px}
.checks li{display:flex;gap:14px;align-items:flex-start}
.checks svg{flex:none;width:24px;height:24px;color:var(--p2);margin-top:1px}
.checks b{display:block}
.checks span{color:var(--muted);font-size:.93rem}
.values{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.value{padding:26px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}
.value:nth-child(2){transform:translateY(30px)}.value:nth-child(4){transform:translateY(30px)}
.value h4{font-size:1.1rem;margin:14px 0 6px}
.value p{color:var(--muted);font-size:.9rem}
.value .card-icon{margin:0;width:46px;height:46px}

/* Careers */
.jobs{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:980px;margin:0 auto}
.job-loading,.job-none{grid-column:1/-1;text-align:center;color:var(--muted);padding:30px;border:1px dashed var(--border);border-radius:16px}
.jcard{display:flex;flex-direction:column;gap:10px;padding:24px;border-radius:18px;border:1px solid var(--border);background:var(--surface);transition:transform .25s,border-color .25s,box-shadow .25s}
.jcard:hover{transform:translateY(-3px);border-color:rgba(99,102,241,.5);box-shadow:var(--shadow)}
.jcard .top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.jcard code{font-size:.74rem;font-weight:700;color:var(--p2);letter-spacing:.04em}
.jcard .new{font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--grad);color:#fff}
.jcard h4{font-size:1.2rem}
.jcard p{color:var(--muted);font-size:.93rem}
.jcard .go{margin-top:auto;color:var(--p2);font-weight:600;font-size:.92rem;display:inline-flex;gap:6px;align-items:center}
.careers-cta{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:980px;margin:22px auto 0}
.cc-card{display:flex;align-items:center;gap:18px;padding:22px 24px;border-radius:18px;border:1px solid var(--border);background:var(--surface);flex-wrap:wrap}
.cc-card.hl{background:linear-gradient(135deg,rgba(99,102,241,.14),rgba(6,182,212,.12));border-color:rgba(99,102,241,.35)}
.cc-card .card-icon{margin:0;flex:none}
.cc-card>div:nth-child(2){flex:1;min-width:180px}
.cc-card h4{font-size:1.08rem;margin-bottom:2px}
.cc-card p{color:var(--muted);font-size:.9rem}
.cc-card .btn{padding:11px 20px;font-size:.9rem}
.job{border:1px solid var(--border);border-radius:16px;background:var(--surface);overflow:hidden;transition:border-color .3s}
.job[open]{border-color:rgba(99,102,241,.5)}
.job summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;cursor:pointer}
.job summary::-webkit-details-marker{display:none}
.job h4{font-size:1.12rem}
.job-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.job-meta span{font-size:.76rem;color:var(--muted);padding:3px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border)}
.chev{width:36px;height:36px;flex:none;border-radius:50%;border:1px solid var(--border);display:grid;place-items:center;transition:transform .3s,background .3s}
.job[open] .chev{transform:rotate(45deg);background:var(--grad);color:#fff;border-color:transparent}
.job-body{padding:0 26px 24px;color:var(--muted)}
.job-body p{margin-bottom:14px}
.job-body a{color:var(--p2);font-weight:600}

/* CTA band */
.cta-band{padding:0}
.cta-box{border-radius:28px;padding:64px 48px;background:var(--grad);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-box::after{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.12);right:-120px;top:-180px}
.cta-box h2{font-size:clamp(1.7rem,3.2vw,2.4rem);max-width:560px}
.cta-box p{opacity:.9;margin-top:8px}
.cta-box .btn{background:#fff;color:#1e1b4b;position:relative;z-index:1}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.info-card{display:flex;gap:16px;align-items:center;padding:20px;border-radius:16px;border:1px solid var(--border);background:var(--surface);margin-bottom:14px}
.info-card .card-icon{margin:0;width:48px;height:48px}
.info-card small{color:var(--muted);display:block;font-size:.8rem}
.info-card a,.info-card b{font-weight:600}
form{padding:36px;border-radius:24px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:500;margin-bottom:7px;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--border);background:var(--bg);color:var(--text);font:inherit;font-size:.95rem;transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--p1);box-shadow:0 0 0 4px rgba(99,102,241,.18)}
.field.err input,.field.err textarea{border-color:#f43f5e}
.err-msg{color:#f43f5e;font-size:.8rem;margin-top:5px;display:none}
.field.err .err-msg{display:block}
form .btn{width:100%;justify-content:center}
.form-note{margin-top:14px;font-size:.85rem;color:var(--muted);text-align:center;min-height:1.3em}
.form-note.ok{color:#10b981}

/* Footer */
footer{border-top:1px solid var(--border);padding:60px 0 30px;margin-top:110px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-grid p{color:var(--muted);font-size:.93rem;margin-top:14px;max-width:320px}
.foot-grid h5{font-size:.95rem;margin-bottom:14px;font-family:"Space Grotesk"}
.foot-grid ul{list-style:none;display:grid;gap:9px}
.foot-grid ul a{color:var(--muted);font-size:.92rem;transition:color .2s}
.foot-grid ul a:hover{color:var(--text)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;border-top:1px solid var(--border);color:var(--muted);font-size:.86rem}

/* Back to top + progress */
#progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:200}
#toTop{position:fixed;right:22px;bottom:22px;z-index:90;width:48px;height:48px;border-radius:50%;border:0;background:var(--grad);color:#fff;display:grid;place-items:center;cursor:pointer;opacity:0;transform:translateY(20px);transition:.3s;box-shadow:0 10px 26px -8px rgba(99,102,241,.8)}
#toTop.show{opacity:1;transform:none}
#toTop svg{width:20px;height:20px}

/* Reveal */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}.d5{transition-delay:.4s}

/* Responsive */
@media (max-width:1000px){
  .hero .container,.about-grid,.contact-grid{grid-template-columns:1fr}
  .hero-visual{display:none}
  .grid-3{grid-template-columns:1fr 1fr}
  .process{grid-template-columns:1fr 1fr;row-gap:40px}.process::before{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-links{position:fixed;top:70px;left:16px;right:16px;flex-direction:column;padding:14px;border-radius:18px;background:var(--bg-2);border:1px solid var(--border);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(-10px);transition:.25s}
  .nav-links.open{opacity:1;pointer-events:auto;transform:none}
  .nav-links a{display:block;padding:12px 16px}
  .menu-toggle{display:grid}
  .nav .btn{display:none}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--border)}
}
@media (max-width:620px){
  section{padding:80px 0}
  .grid-3,.process,.values,.form-row,.foot-grid,.jobs,.careers-cta{grid-template-columns:1fr}
  .value:nth-child(2),.value:nth-child(4){transform:none}
  .cta-box{padding:44px 26px}
  form{padding:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---- v3 additions ---- */
.nav .announce{margin:-20px 0 16px;background:var(--grad);color:#fff;text-align:center;font-size:.88rem;font-weight:600;padding:8px 16px}
.nav .announce a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.nav.scrolled .announce{display:none}
.logo-img{height:38px;width:auto;max-width:180px;object-fit:contain;display:block}
.logo-name{display:inline-flex;align-items:center}
.core img{width:70%;height:70%;object-fit:contain}
.about-h{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:18px}
.muted-p{color:var(--muted);margin-bottom:30px}
.lnk{color:var(--p2);font-weight:600}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.socials{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.socials a{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);display:grid;place-items:center;color:var(--muted);transition:.2s}
.socials a:hover{color:#fff;background:var(--grad);border-color:transparent}
.socials svg{width:17px;height:17px}
.form-note{min-height:1.3em}
@media (max-width:1000px){.stats-grid{grid-template-columns:repeat(2,1fr)!important}.process{grid-template-columns:1fr 1fr!important}}
@media (max-width:620px){.process{grid-template-columns:1fr!important}}