/* Quantis Tech — the Quantis Research / Capital look: white canvas, cobalt primary, deep-navy bands,
   Quantis gold as the second accent, Inter throughout. Product screens sit in angled browser frames. */
:root{
  --blue:#1C4FD6; --blue-d:#143CA8; --blue-soft:#EEF3FE;
  --navy:#0A1633; --navy-2:#122B66;
  --gold:#E2A63B; --gold-d:#9A6516;
  --text:#111A2E; --muted:#566079; --line:#E2E7F1;
  --bg:#FFFFFF; --soft:#F5F7FC;
  --r:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
h1,h2,h3{margin:0;color:var(--text)}
h1{font-size:clamp(40px,6.2vw,76px);font-weight:800;letter-spacing:-.04em;line-height:1.02}
h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:-.035em;line-height:1.08;margin:10px 0 16px}
h3{font-size:22px;font-weight:800;letter-spacing:-.025em}
.blue{color:var(--blue)}
.gold{color:var(--gold)}
/* depth on the big type: a tight stack of soft offsets, so letters sit slightly off the page */
.deep{text-shadow:0 1px 0 rgba(255,255,255,.9),0 2px 1px rgba(10,22,51,.10),0 6px 10px rgba(10,22,51,.10),0 18px 30px rgba(10,22,51,.10)}
.deep .blue{text-shadow:0 1px 0 rgba(255,255,255,.6),0 2px 1px rgba(20,60,168,.22),0 8px 14px rgba(28,79,214,.20),0 22px 36px rgba(28,79,214,.16)}
.deep.light{color:#fff;text-shadow:0 2px 1px rgba(0,0,0,.35),0 10px 24px rgba(0,0,0,.35)}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--blue)}
.sub{color:var(--muted);font-size:18px;max-width:720px;margin:0}

/* buttons, as on Capital */
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;border:1.5px solid var(--blue);
  border-radius:10px;padding:10px 18px;font:600 14.5px Inter,sans-serif;cursor:pointer;transition:all .18s}
.btn:hover{background:var(--blue-d);border-color:var(--blue-d);transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(28,79,214,.55)}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-outline{background:#fff;color:var(--blue)}
.btn-outline:hover{background:var(--blue-soft);color:var(--blue-d)}
.btn-gold{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.btn-gold:hover{background:#f0b955;border-color:#f0b955;box-shadow:0 12px 26px -12px rgba(226,166,59,.6)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.08);border-color:#fff;box-shadow:none}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .row{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand{display:flex;align-items:center;gap:12px}
.mono{width:40px;height:40px;border-radius:10px;background:var(--navy);color:#fff;font-size:20px;font-weight:800;
  position:relative;overflow:hidden;display:inline-grid;place-items:center;flex:none}
.mono::after{content:"";position:absolute;right:0;bottom:0;width:12px;height:12px;background:var(--gold);border-top-left-radius:8px}
.brand .name{display:flex;flex-direction:column;font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--navy);line-height:1.15}
.brand small{font-size:9px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-d);font-weight:700;margin-top:3px}
.links{display:flex;align-items:center;gap:6px}
.links a:not(.btn){font-size:15px;font-weight:500;color:#2A3350;padding:8px 12px;border-radius:8px}
.links a:not(.btn):hover{color:var(--blue);background:var(--blue-soft)}
.links .btn{margin-left:8px}
.burger{display:none;background:none;border:0;width:42px;height:42px;cursor:pointer;padding:9px}
.burger span{display:block;height:2px;background:var(--navy);margin:6px 0;border-radius:2px}

/* hero */
.hero{background:linear-gradient(180deg,#fff 0%,#fff 50%,#EAF0FD 100%);padding:84px 0 110px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center}
.lead{font-size:19px;color:var(--muted);margin:26px 0 34px;max-width:560px}
.cta{display:flex;gap:12px;flex-wrap:wrap}

/* 3D stage: up to three screens fanned in perspective */
.stage{position:relative;height:500px;perspective:1800px}
.stage .frame{position:absolute;width:86%;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.stage .f0{right:-4%;top:26px;z-index:3;transform:rotateY(-16deg) rotateX(6deg) rotateZ(1deg)}
.stage .f1{right:16%;top:-6px;z-index:2;transform:rotateY(-16deg) rotateX(6deg) translateZ(-140px) scale(.92);opacity:.95}
.stage .f2{right:34%;top:150px;z-index:1;transform:rotateY(-16deg) rotateX(6deg) translateZ(-260px) scale(.86);opacity:.85}
.stage:hover .f0{transform:rotateY(-8deg) rotateX(3deg)}
.stage .phone{position:absolute;right:-2%;bottom:-24px;width:150px;z-index:4;transform:rotateY(-12deg) rotateX(4deg)}

/* browser frame */
.frame{background:#fff;border-radius:14px;overflow:hidden;
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 0 0 1px rgba(10,22,51,.08),0 30px 60px -20px rgba(10,22,51,.35),0 70px 120px -50px rgba(10,22,51,.45)}
.chrome{height:30px;display:flex;align-items:center;gap:7px;padding:0 13px;background:#F1F4FA;border-bottom:1px solid var(--line)}
.chrome i{width:10px;height:10px;border-radius:50%;background:#D5DBE7}
.chrome i:first-child{background:#F2A49B}.chrome i:nth-child(2){background:#F4CF7E}.chrome i:nth-child(3){background:#9DD3A8}
.screen{aspect-ratio:16/10;background:linear-gradient(150deg,var(--navy-2),var(--navy));position:relative;overflow:hidden;cursor:zoom-in}
.screen img,.screen video{width:100%;height:100%;object-fit:cover;object-position:top}
.screen .ph{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.85);font-weight:800;font-size:24px;letter-spacing:-.02em}
.phone{background:#0A1633;border-radius:26px;padding:7px;box-shadow:0 30px 60px -20px rgba(10,22,51,.55),0 0 0 1px rgba(255,255,255,.08) inset}
.phone .screen{aspect-ratio:390/844;border-radius:20px}

/* services: six capabilities in a hairline grid */
.services{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.services div{padding:30px 30px 32px 0;border-bottom:1px solid var(--line)}
.services div:not(:nth-child(3n+1)){padding-left:30px;border-left:1px solid var(--line)}
.services b{display:block;font-size:20px;font-weight:800;letter-spacing:-.025em;margin-bottom:8px}
.services span{color:var(--muted);font-size:15.5px}

/* showcase rows: a collage of screens beside the list of what was built */
.show{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;align-items:center;margin-bottom:130px}
.show:last-child{margin-bottom:0}
.show.flip .vis{order:2}
.copy h3{font-size:34px;margin:0 0 14px;letter-spacing:-.035em}
.copy p{margin:0;color:var(--muted);font-size:17px}
.copy ul{list-style:none;margin:24px 0 0;padding:0;border-top:1px solid var(--line)}
.copy li{padding:11px 0 11px 26px;border-bottom:1px solid var(--line);font-size:15.5px;color:#2A3350;font-weight:500;position:relative}
.copy li::before{content:"";position:absolute;left:2px;top:22px;width:10px;height:2px;background:var(--blue)}

.collage{position:relative;aspect-ratio:16/11.5;perspective:1800px;transform-style:preserve-3d}
.collage .frame{position:absolute;width:64%;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.collage .c0{left:0;top:0;z-index:4;transform:rotateY(12deg) rotateX(5deg)}
.collage .c1{right:0;top:6%;z-index:3;transform:rotateY(12deg) rotateX(5deg) translateZ(-120px)}
.collage .c2{left:10%;bottom:0;z-index:5;width:56%;transform:rotateY(12deg) rotateX(5deg) translateZ(40px)}
.collage .c3{right:4%;bottom:6%;z-index:2;width:52%;transform:rotateY(12deg) rotateX(5deg) translateZ(-200px)}
.collage .cp{position:absolute;right:-3%;bottom:-6%;width:21%;z-index:6;transform:rotateY(12deg) rotateX(5deg) translateZ(80px)}
.show.flip .collage .frame,.show.flip .collage .cp{transform:rotateY(-12deg) rotateX(5deg)}
.show.flip .collage .cp{right:auto;left:-3%}
.collage:hover .c0{transform:rotateY(4deg) rotateX(2deg) translateZ(30px)}
.collage .frame .screen .ph{font-size:18px}

/* clients: a slow running strip */
.clients{padding:70px 0 74px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.marquee{margin-top:26px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.track{display:flex;gap:28px;width:max-content;animation:run 42s linear infinite}
.marquee:hover .track{animation-play-state:paused}
@keyframes run{to{transform:translateX(-50%)}}
.client{display:flex;align-items:center;gap:18px;padding:14px 26px 14px 14px;border:1px solid var(--line);border-radius:16px;background:#fff;
  box-shadow:0 18px 40px -28px rgba(10,22,51,.35)}
.cimg{width:120px;height:76px;border-radius:10px;overflow:hidden;background:linear-gradient(150deg,var(--navy-2),var(--navy));flex:none}
.cimg img{width:100%;height:100%;object-fit:cover;object-position:top}
.client b{display:block;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--navy);white-space:nowrap}
.client span{color:var(--muted);font-size:14px;white-space:nowrap}
@media (prefers-reduced-motion:reduce){.track{animation:none}}

/* approach */
.steps{list-style:none;margin:0;padding:0;counter-reset:s;border-top:1px solid var(--line)}
.steps li{counter-increment:s;display:grid;grid-template-columns:90px 320px 1fr;gap:20px;align-items:baseline;padding:28px 0;border-bottom:1px solid var(--line)}
.steps li::before{content:"0" counter(s);font-size:15px;font-weight:700;color:var(--blue);letter-spacing:.1em}
.steps b{font-size:22px;font-weight:800;letter-spacing:-.025em}
.steps span{color:var(--muted);font-size:16.5px}

/* contact */
.contact{background:linear-gradient(160deg,var(--navy-2) 0%,var(--navy) 60%);color:#fff;padding:110px 0}
.contact .eyebrow{color:var(--gold)}
.contact .sub{color:rgba(255,255,255,.72);margin:6px 0 30px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.direct{display:flex;gap:12px;flex-wrap:wrap}
.form{background:#fff;color:var(--text);border-radius:var(--r);padding:30px;display:grid;gap:16px;
  box-shadow:0 40px 80px -40px rgba(0,0,0,.6)}
.form label{display:grid;gap:6px;font-size:13.5px;font-weight:600;color:#2A3350}
.form input,.form select,.form textarea{font:15px Inter,sans-serif;padding:12px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--blue);border-color:transparent}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .btn{justify-self:start}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.msg{margin:0;font-size:14px;color:var(--muted);min-height:1.2em}
.msg.ok{color:#128048}.msg.err{color:#C33528}

/* footer */
.foot{background:#060E22;color:rgba(255,255,255,.7);padding:34px 0 26px;font-size:14px}
.foot .mono{background:#fff;color:var(--navy)}
.foot .brand .name{color:#fff}
.foot-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.foot-links{display:flex;gap:24px}
.foot-links a:hover{color:var(--gold)}
.fine{margin-top:18px;font-size:12.5px;color:rgba(255,255,255,.45)}

.lightbox{position:fixed;inset:0;background:rgba(6,14,34,.9);display:none;place-items:center;z-index:50;padding:16px;cursor:zoom-out}
.lightbox.on{display:grid}
.lightbox img{max-height:92vh;border-radius:10px}

@media (max-width:1000px){
  .hero-grid,.contact-grid,.show{grid-template-columns:1fr}
  .show{gap:44px}
  .show.flip .vis{order:0}
  .services{grid-template-columns:1fr 1fr}
  .services div,.services div:not(:nth-child(3n+1)){padding:24px 20px 24px 0;border-left:0}
  .stage{height:420px}
  .steps li{grid-template-columns:60px 1fr}
  .steps span{grid-column:2}
}
@media (max-width:720px){
  .wrap{padding:0 16px}
  .burger{display:block}
  .links{display:none;position:absolute;top:80px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:4px;padding:14px 16px 20px;border-bottom:1px solid var(--line)}
  .menu-open .links{display:flex}
  .links .btn{margin:8px 0 0}
  .hero{padding:44px 0 64px}
  .stage{height:270px}
  .stage .phone{width:90px}
  .chapter,.contact{padding:68px 0}
  .ch-head{margin-bottom:40px}
  .services,.form .two{grid-template-columns:1fr}
  .show{margin-bottom:80px}
  .collage .frame,.show.flip .collage .frame{transform:none}
  .collage .cp{display:none}
  .copy h3{font-size:28px}
  .cimg{width:84px;height:54px}
  .client b{font-size:16px}
  .lead,.sub{font-size:16.5px}
}

/* collages with fewer screens */
.collage.n1 .c0{left:5%;top:5%;width:88%}
.collage.n2 .c0{width:70%}
.collage.n2 .c1{width:62%;top:30%}