/* NerdMatrix studio site: dark, circuit-cube palette */
:root{
  --bg:#000000;
  --panel:#070b0a;
  --panel-2:#0b110f;
  --line:#16201c;
  --teal:#22d3a7;
  --green:#39d353;
  --ink:#eef3f1;
  --muted:#8aa39a;
  --muted-2:#5d726b;
  --maxw:1140px;
  --grad:linear-gradient(100deg,var(--teal),var(--green));
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:"Inter",ui-sans-serif,system-ui,-apple-system,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,.brand-word{font-family:"Montserrat",ui-sans-serif,system-ui,sans-serif}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.accent{color:var(--teal)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- nav ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  backdrop-filter:blur(10px);background:rgba(0,0,0,.55);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
header.nav.scrolled{border-color:var(--line);background:rgba(0,0,0,.8)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:"Montserrat";font-weight:700;letter-spacing:.01em}
.nav-logo img{height:30px;width:auto}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--muted);font-size:14.5px;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{padding:9px 18px;border:1px solid var(--line);border-radius:999px;color:var(--ink)!important;font-size:14px;transition:.2s}
.nav-cta:hover{border-color:var(--teal);color:var(--teal)!important}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);font-size:24px;cursor:pointer}
@media(max-width:780px){
  .nav-links{display:none}
  .nav-toggle{display:block}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:64px;overflow:hidden}
.hero-grid{position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;opacity:.25;
  mask-image:radial-gradient(70% 60% at 50% 35%,#000 0%,transparent 75%);
  -webkit-mask-image:radial-gradient(70% 60% at 50% 35%,#000 0%,transparent 75%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;width:100%}
.hero-copy .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:26px;
}
.hero-copy h1{font-size:clamp(38px,5.4vw,64px);line-height:1.04;font-weight:800;letter-spacing:-.02em}
.hero-copy h1 .grad-text{display:inline}
.hero-copy p.lede{margin-top:22px;font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:36ch}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;border-radius:999px;padding:14px 26px;transition:.2s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--grad);color:#04110c}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 36px -12px var(--teal)}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.hero-stats{margin-top:42px;display:flex;gap:30px;flex-wrap:wrap;color:var(--muted-2);font-size:14px}
.hero-stats b{color:var(--ink);font-family:"Montserrat";font-weight:700;display:block;font-size:22px;line-height:1.1}

/* hero animated logo (cube + wordmark) */
.hero-logo{display:flex;flex-direction:column;align-items:center;justify-content:center}
.lockup{position:relative;width:min(420px,80%);display:flex;flex-direction:column;align-items:center;
  animation:float 7s ease-in-out 2.4s infinite}
.cube-stage{position:relative;width:100%;aspect-ratio:900/665}
.glow{position:absolute;inset:-16% -8% 2% -8%;
  background:radial-gradient(42% 40% at 50% 46%,rgba(34,211,167,.55),transparent 70%),radial-gradient(56% 52% at 50% 50%,rgba(57,211,83,.30),transparent 73%);
  filter:blur(30px);opacity:0;animation:glow-in 1.3s ease-out .3s forwards,glow-breathe 5.5s ease-in-out 2.4s infinite}
.cube{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transform:scale(.82);filter:blur(12px);
  animation:cube-in 1.6s cubic-bezier(.16,.84,.3,1) .2s forwards}
.sweep{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,transparent 40%,rgba(190,255,235,.9) 50%,transparent 60%);
  background-size:260% 100%;background-position:150% 0;mix-blend-mode:screen;opacity:0;
  -webkit-mask:url("assets/brand/nerdmatrix-cube.png") center/contain no-repeat;mask:url("assets/brand/nerdmatrix-cube.png") center/contain no-repeat;
  animation:sweep 1.1s ease-in-out 1s 1}
.brand-word{margin-top:.42em;font-weight:700;font-size:clamp(30px,4.6vw,52px);line-height:1;white-space:nowrap;display:flex}
.brand-word span{display:inline-block;opacity:0;transform:translateY(.42em);filter:blur(6px);animation:letter .62s cubic-bezier(.2,.8,.25,1) forwards}
.brand-rule{margin-top:.5em;height:2px;width:0;background:linear-gradient(90deg,transparent,var(--teal),var(--green),transparent);border-radius:2px;opacity:0;animation:rule 1s ease-out 2s forwards}

@keyframes cube-in{0%{opacity:0;transform:scale(.82);filter:blur(12px)}60%{opacity:1}100%{opacity:1;transform:scale(1);filter:blur(0)}}
@keyframes glow-in{to{opacity:1}}
@keyframes glow-breathe{0%,100%{opacity:.85;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}
@keyframes sweep{0%{opacity:0;background-position:150% 0}14%{opacity:1}86%{opacity:1}100%{opacity:0;background-position:-70% 0}}
@keyframes letter{to{opacity:1;transform:translateY(0);filter:blur(0)}}
@keyframes rule{to{opacity:1;width:78%}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@media(max-width:880px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-copy .hero-actions,.hero-stats{justify-content:center}
  .hero-copy p.lede{margin-left:auto;margin-right:auto}
  .hero-logo{order:-1;margin-bottom:10px}
}

/* ---------- sections ---------- */
section{position:relative;padding:110px 0}
.section-head{max-width:680px;margin-bottom:54px}
.section-head .kicker{color:var(--teal);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.section-head h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.02em;margin-top:14px;line-height:1.08}
.section-head p{margin-top:16px;color:var(--muted);font-size:17px}
.divider{height:1px;background:var(--line)}

/* services */
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.svc{position:relative;border:1px solid var(--line);border-radius:18px;padding:30px 28px;background:linear-gradient(180deg,var(--panel),transparent);overflow:hidden;transition:.25s}
.svc:hover{border-color:#26443b;transform:translateY(-3px)}
.svc.flagship{border-color:#1f4d40;background:linear-gradient(180deg,rgba(34,211,167,.07),transparent)}
.svc .tag{position:absolute;top:18px;right:18px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#04110c;background:var(--grad);padding:4px 10px;border-radius:999px;font-weight:700}
.svc .num{font-family:"Montserrat";font-weight:800;color:var(--muted-2);font-size:14px;letter-spacing:.1em}
.svc h3{font-size:21px;margin:14px 0 10px;font-weight:700}
.svc p{color:var(--muted);font-size:15px}
.svc .proof{margin-top:16px;font-size:13px;color:var(--muted-2)}
.svc .proof b{color:var(--teal);font-weight:600}
@media(max-width:780px){.services{grid-template-columns:1fr}}

/* flagship band */
.flagband{border:1px solid var(--line);border-radius:24px;background:
  radial-gradient(80% 120% at 100% 0%,rgba(34,211,167,.10),transparent 60%),var(--panel);padding:0;overflow:hidden}
.flagband-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:0}
.flagband-copy{padding:48px}
.flagband-copy .kicker{color:var(--teal);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.flagband-copy h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;margin-top:12px;letter-spacing:-.02em;line-height:1.1}
.flagband-copy p{color:var(--muted);margin-top:16px;font-size:16px}
.feat-list{margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.feat-list li{list-style:none;color:var(--ink);font-size:14.5px;padding-left:22px;position:relative}
.feat-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--grad)}
.flagband-copy .btn{margin-top:30px}
.flagband-side{border-left:1px solid var(--line);padding:48px;background:var(--panel-2);display:flex;flex-direction:column;justify-content:center;gap:18px}
.metric{display:flex;flex-direction:column}
.metric b{font-family:"Montserrat";font-weight:800;font-size:30px;color:var(--ink);line-height:1}
.metric span{color:var(--muted);font-size:13.5px;margin-top:4px}
.metric+.metric{padding-top:18px;border-top:1px solid var(--line)}
@media(max-width:880px){.flagband-inner{grid-template-columns:1fr}.flagband-side{border-left:0;border-top:1px solid var(--line)}.feat-list{grid-template-columns:1fr}}

/* proof / case studies */
.cases{display:flex;flex-direction:column;gap:16px}
.case{display:grid;grid-template-columns:200px 1fr auto;gap:30px;align-items:center;
  border:1px solid var(--line);border-radius:16px;padding:26px 28px;background:var(--panel);transition:.25s}
.case:hover{border-color:#26443b;background:var(--panel-2)}
.case .c-name{font-family:"Montserrat";font-weight:700;font-size:19px}
.case .c-name small{display:block;color:var(--muted-2);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;margin-top:6px;font-family:"Inter"}
.case .c-desc{color:var(--muted);font-size:15px}
.case .c-stat{text-align:right;color:var(--teal);font-family:"Montserrat";font-weight:700;font-size:15px;white-space:nowrap}
@media(max-width:780px){.case{grid-template-columns:1fr;gap:10px;text-align:left}.case .c-stat{text-align:left}}

/* engine room */
.engine{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:10px}
.eng{border:1px solid var(--line);border-radius:14px;padding:24px 20px;background:var(--panel)}
.eng h4{font-family:"Montserrat";font-weight:700;font-size:16px;margin-bottom:8px}
.eng p{color:var(--muted);font-size:13.5px}
.eng .e-tech{margin-top:14px;font-size:11.5px;color:var(--muted-2);letter-spacing:.04em}
@media(max-width:880px){.engine{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.engine{grid-template-columns:1fr}}

/* CTA / contact */
.cta{text-align:center;border:1px solid var(--line);border-radius:24px;padding:64px 32px;
  background:radial-gradient(70% 140% at 50% 0%,rgba(34,211,167,.10),transparent 60%),var(--panel)}
.cta h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:-.02em}
.cta p{color:var(--muted);margin-top:16px;font-size:17px;max-width:48ch;margin-left:auto;margin-right:auto}
.cta .hero-actions{justify-content:center;margin-top:32px}

/* footer */
footer{border-top:1px solid var(--line);padding:48px 0 60px;color:var(--muted-2);font-size:14px}
.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-logo{display:flex;align-items:center;gap:10px;color:var(--muted)}
.foot-logo img{height:26px}

/* ---------- lead / contact subpage ---------- */
.subpage{padding-top:128px}
.lead-head{max-width:760px;margin:0 auto 56px;text-align:center}
.lead-head .kicker{color:var(--teal);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.lead-head h1{font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-.02em;margin-top:14px;line-height:1.05}
.lead-head p{margin-top:18px;color:var(--muted);font-size:18px}
.lead-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start;max-width:1000px;margin:0 auto}

/* left: what happens next + reassurance */
.lead-info h3{font-family:"Montserrat";font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted-2);margin-bottom:18px}
.steps{list-style:none;display:flex;flex-direction:column;gap:18px;margin-bottom:34px}
.steps li{display:flex;gap:16px;align-items:flex-start}
.steps .n{flex:0 0 28px;height:28px;border-radius:8px;background:var(--grad);color:#04110c;font-family:"Montserrat";font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.steps .t{color:var(--ink);font-size:15px}
.steps .t span{display:block;color:var(--muted);font-size:13.5px;margin-top:2px}
.lead-info .assure{border-top:1px solid var(--line);padding-top:22px;color:var(--muted);font-size:14px}
.lead-info .assure b{color:var(--ink);font-weight:600}

/* right: form card */
.lead-form{border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,var(--panel),transparent);padding:30px 28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:7px;font-weight:500}
.field label .req{color:var(--teal)}
.field input,.field select,.field textarea{
  width:100%;background:#05080a;border:1px solid var(--line);border-radius:11px;
  color:var(--ink);font:inherit;font-size:15px;padding:12px 14px;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(34,211,167,.12);
}
.field textarea{resize:vertical;min-height:120px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lead-form .btn-primary{width:100%;justify-content:center;margin-top:6px}
.form-note{margin-top:14px;font-size:12.5px;color:var(--muted-2);text-align:center}
.form-status{margin-top:14px;font-size:14px;text-align:center;display:none}
.form-status.show{display:block}
.form-status.ok{color:var(--teal)}
@media(max-width:820px){
  .lead-grid{grid-template-columns:1fr;gap:36px}
  .lead-info{order:2}
  .field-row{grid-template-columns:1fr}
}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
  .cube,.glow,.brand-word span,.brand-rule{opacity:1!important;transform:none!important;filter:none!important}
  .brand-rule{width:78%!important}
  .reveal{opacity:1;transform:none}
}