:root{
  --bg:#0c0d10;
  --bg-soft:#14161b;
  --surface:#181b22;
  --surface-2:#1f232c;
  --border:#2a2f3a;
  --text:#eef1f6;
  --muted:#9aa3b2;
  --red:#ed1c24;
  --red-soft:#ff3d44;
  --radius:18px;
  --maxw:1180px;
  --font:'Inter','Segoe UI',system-ui,-apple-system,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:0;background:#08090c;scroll-snap-type:y proximity}
html,body{overflow-x:clip}
body{
  font-family:var(--font);
  background:transparent;
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
/* full-page looping background video sits behind everything */
#bgMedia{
  position:fixed;inset:0;z-index:-2;
  width:100%;height:100%;object-fit:cover;
  background:#08090c;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{
  min-height:100vh;min-height:100dvh;
  display:flex;flex-direction:column;justify-content:center;
  padding:84px 0 36px;scroll-snap-align:start;
}
.eyebrow{
  display:inline-block;color:var(--red-soft);font-weight:700;
  letter-spacing:3px;text-transform:uppercase;font-size:.78rem;margin-bottom:14px;
}
h1,h2,h3{line-height:1.15;letter-spacing:-.5px;font-weight:800}
h2.section-title{font-size:clamp(1.7rem,3.6vw,2.4rem);margin-bottom:12px}
.section-lead{color:var(--muted);font-size:1.08rem;max-width:680px}
.center{text-align:center}
.center .section-lead{margin-left:auto;margin-right:auto}

/* ---------- Header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(12,13,16,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
header.scrolled{border-bottom:1px solid var(--border);background:rgba(12,13,16,.9)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.15rem;letter-spacing:-.5px;white-space:nowrap}
.brand img{width:40px;height:40px;border-radius:10px}
.brand .logo-svg{width:40px;height:40px;border-radius:10px;display:block;flex:0 0 auto}
/* white star spins fast, then rests ~2s, then again */
.brand .spin-star{transform-origin:256px 256px;animation:logoSpin 2.8s cubic-bezier(.4,0,.12,1) infinite}
@keyframes logoSpin{0%{transform:rotate(0deg)}25%{transform:rotate(360deg)}100%{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.brand .spin-star{animation:none}}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name b{font-weight:800}
.brand-name i{font-style:normal;font-weight:400;color:var(--muted)}
.brand .motto{font-weight:600;font-size:.58rem;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);margin-top:3px}
footer .brand .motto{display:none}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  padding:9px 16px;border-radius:10px;color:var(--muted);font-weight:600;font-size:.95rem;
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--text);background:var(--surface)}
.lang-toggle{display:flex;border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-left:8px}
.lang-toggle button{
  background:transparent;border:0;color:var(--muted);font-weight:700;font-size:.82rem;
  padding:8px 12px;cursor:pointer;transition:.2s;font-family:inherit;
}
.lang-toggle button.active{background:var(--red);color:#fff}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{padding:84px 0 36px;position:relative}
.hero::before{
  content:"";position:absolute;top:-10%;left:50%;transform:translateX(-50%);
  width:900px;height:900px;max-width:120vw;
  background:radial-gradient(circle,rgba(237,28,36,.16),transparent 60%);
  z-index:-1;filter:blur(20px);
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:54px;align-items:center;max-width:820px}
.hero h1{font-size:clamp(2.2rem,5.2vw,3.6rem)}
.hero h1 .accent{color:var(--red-soft)}
.hero p.lead{color:var(--muted);font-size:1.18rem;margin:24px 0 32px;max-width:560px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:1rem;
  padding:14px 26px;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:.22s;font-family:inherit;
}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-soft);transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(237,28,36,.6)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--muted);background:var(--surface)}
.hero-stats{display:flex;gap:34px;margin-top:42px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-size:1.7rem;font-weight:800;color:#fff}
.hero-stats small{color:var(--muted);font-size:.86rem}

/* ---------- Concept diagram ---------- */
.concept-wrap{
  background:radial-gradient(circle at 50% 45%,var(--surface),var(--bg-soft));
  border:1px solid var(--border);border-radius:24px;padding:18px;
  box-shadow:0 30px 80px -30px rgba(0,0,0,.7);
}
.concept-caption{text-align:center;color:var(--muted);font-size:.9rem;margin-top:6px}
/* Canvas stage for the cinematic Nexus animation — no frame, just the dark background */
.nexus-stage{position:relative;width:100%;aspect-ratio:6/5}
.nexus-stage canvas{position:absolute;inset:0;width:100%;height:100%}
#cellCanvas{z-index:2}
@media(max-width:900px){.nexus-stage{max-width:560px;margin:0 auto}}
.diagram .arm-line{stroke:var(--border);stroke-width:2.5}
.diagram .arm-node{stroke:rgba(255,255,255,.35);stroke-width:1.5;transition:.3s}
.diagram .arm-label{fill:var(--muted);font-size:13px;font-weight:600;font-family:var(--font)}
.diagram .arm-group{opacity:0;animation:fadeArm .6s forwards}
.diagram .arm-group:hover .arm-node{stroke:var(--red-soft)}
.diagram .arm-group:hover .arm-label{fill:var(--text)}
.diagram .core-glow{fill:var(--red);opacity:.25;filter:blur(8px)}
.diagram .core{fill:url(#coreGrad)}
.diagram .core-n{fill:#fff;font-size:54px;font-weight:800;font-family:var(--font);text-anchor:middle}
@keyframes fadeArm{to{opacity:1}}

/* ---------- Feature cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 22px;transition:.25s;
}
.card:hover{transform:translateY(-4px);border-color:#3a4150;box-shadow:0 20px 40px -24px rgba(0,0,0,.8)}
.card .ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:12px;
  background:rgba(237,28,36,.12);color:var(--red-soft);
}
.card .ico svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2}
.card h3{font-size:1.18rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.97rem}

/* ---------- Why / problem-solution ---------- */
.why{border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.panel{border-radius:var(--radius);padding:24px 26px;border:1px solid var(--border)}
.panel.bad{background:var(--surface);}
.panel.good{background:linear-gradient(160deg,rgba(237,28,36,.14),var(--surface));border-color:rgba(237,28,36,.4)}
.panel h3{font-size:1.2rem;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.panel ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.panel li{display:flex;gap:12px;color:var(--muted);font-size:.93rem}
.panel li svg{flex:0 0 20px;width:20px;height:20px;margin-top:3px}
.panel.good li{color:var(--text)}
.tag{font-size:.7rem;font-weight:700;padding:3px 9px;border-radius:6px;letter-spacing:1px}
.tag.bad{background:#2a2f3a;color:var(--muted)}
.tag.good{background:var(--red);color:#fff}

/* ---------- Reference ---------- */
.ref-card{
  display:grid;grid-template-columns:1.1fr .9fr;gap:0;
  background:var(--surface);border:1px solid var(--border);border-radius:24px;overflow:hidden;margin-top:20px;
}
.ref-body{padding:22px 30px}
.ref-body .eyebrow{color:var(--red-soft)}
.ref-body h3{font-size:1.45rem;margin-bottom:10px}
.ref-body p{color:var(--muted);margin-bottom:12px;font-size:.95rem;line-height:1.5}
.ref-features{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:7px}
.ref-features li{display:flex;gap:10px;font-size:.9rem;color:var(--text)}
.ref-features svg{flex:0 0 18px;width:18px;height:18px;color:var(--red-soft)}
.ref-visual{
  background:radial-gradient(circle at 60% 40%,#20242d,#101218);
  display:grid;place-items:center;padding:18px;border-left:1px solid var(--border);
}
.ref-mock{width:100%;max-width:260px}

/* ---------- Contact ---------- */
.contact{border-top:1px solid var(--border)}
.contact-box{
  max-width:760px;margin:28px auto 0;text-align:center;
  background:linear-gradient(160deg,var(--surface),var(--bg-soft));
  border:1px solid var(--border);border-radius:24px;padding:38px 30px;
}
.contact-box .mail{
  display:inline-flex;align-items:center;gap:12px;margin:18px 0 8px;
  font-size:clamp(1.3rem,3.5vw,2rem);font-weight:800;color:#fff;
}
.contact-box .mail svg{width:30px;height:30px;color:var(--red-soft)}
.contact-box .btn{margin-top:24px}
.contact-meta{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:34px;color:var(--muted);font-size:.95rem}
.contact-meta span{display:flex;align-items:center;gap:8px}
.contact-meta svg{width:18px;height:18px;color:var(--red-soft)}

/* ---------- Footer ---------- */
footer{padding:40px 0;border-top:1px solid var(--border)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}
.foot .brand span{font-size:1rem}

/* ---------- Quote modal ---------- */
.modal{
  position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  padding:20px;background:rgba(5,6,8,.66);backdrop-filter:blur(5px);
}
.modal.open{display:flex}
.modal-card{
  position:relative;width:100%;max-width:480px;max-height:90vh;overflow:auto;
  background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:34px;
  box-shadow:0 40px 90px -30px rgba(0,0,0,.8);animation:modalIn .25s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;top:12px;right:16px;background:none;border:0;color:var(--muted);
  font-size:1.9rem;line-height:1;cursor:pointer;transition:color .2s;
}
.modal-close:hover{color:var(--text)}
.modal-card h3{font-size:1.5rem;margin-bottom:8px}
.modal-intro{color:var(--muted);font-size:.97rem;margin-bottom:22px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field span{font-size:.85rem;font-weight:600}
.field input,.field textarea{
  background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;
  padding:11px 13px;color:var(--text);font-family:inherit;font-size:.97rem;resize:vertical;transition:border-color .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--red-soft)}
.gdpr{display:flex;gap:10px;align-items:flex-start;font-size:.8rem;line-height:1.45;color:var(--muted);cursor:pointer;margin:2px 0 16px;text-align:left}
.gdpr input{flex:0 0 auto;width:16px;height:16px;margin-top:2px;accent-color:var(--red);cursor:pointer}
#quoteForm .btn{width:100%;justify-content:center;margin-top:4px}
.form-status{margin-top:14px;font-size:.92rem;text-align:center;color:var(--muted);min-height:1.2em}
.form-status.ok{color:#34d399}
.form-status.err{color:var(--red-soft)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Reveal animation (only hides when JS is running) ---------- */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid,.split,.ref-card{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .ref-visual{border-left:0;border-top:1px solid var(--border)}
  .ref-features{grid-template-columns:1fr}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--bg-soft);border-bottom:1px solid var(--border);padding:14px;gap:4px;
    transform:translateY(-130%);transition:transform .3s;
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:13px 16px}
  .burger{display:flex}
  .lang-toggle{margin:8px 0 0;width:max-content}
}
@media(max-width:680px){
  section{padding:70px 0}
  .grid-3{grid-template-columns:1fr}
  .hero{padding:120px 0 60px}
}