:root{
  --bg: #090b14;
  --bg-alt: #0d1120;
  --surface: #121629;
  --surface-2: #171c33;
  --border: #232945;
  --violet: #6c5ce7;
  --violet-bright: #8b7bff;
  --cyan: #00d9ff;
  --text: #e9ebf7;
  --text-muted: #8b93b8;
  --text-faint: #565d80;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  overflow-x:hidden;
}
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
.wrap{ max-width:1180px; margin:0 auto; padding:0 32px; }
::selection{ background:var(--violet); color:#fff; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

/* ---------- NAV ---------- */
header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  backdrop-filter: blur(14px);
  background: rgba(9,11,20,0.72);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 32px;
  max-width:1180px;
  margin:0 auto;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:20px;
  letter-spacing:-0.02em;
}
.logo-mark{
  width:30px; height:30px;
  border-radius:8px;
  background:linear-gradient(135deg, var(--violet), var(--cyan));
  position:relative;
  flex-shrink:0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:3px;
  background:var(--bg);
}
.nav-links{
  display:flex;
  gap:36px;
  font-size:14.5px;
  color:var(--text-muted);
}
.nav-links a{ transition:color .2s ease; position:relative; }
.nav-links a:hover, .nav-links a.active{ color:var(--text); }
.nav-toggle{ display:none; }

/* ---------- HERO ---------- */
.hero{ position:relative; padding:180px 0 120px; overflow:hidden; }
.hero-sm{ padding:160px 0 90px; }
.hero-glow{
  position:absolute; top:-200px; right:-200px; width:700px; height:700px;
  background:radial-gradient(circle, rgba(108,92,231,0.35), transparent 65%);
  filter:blur(40px); pointer-events:none;
}
.hero-glow-2{
  position:absolute; bottom:-260px; left:-180px; width:600px; height:600px;
  background:radial-gradient(circle, rgba(0,217,255,0.18), transparent 65%);
  filter:blur(50px); pointer-events:none;
}
.hero-grid{
  display:grid; grid-template-columns: 1.05fr 0.95fr; gap:60px; align-items:center;
  position:relative; z-index:2;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:0.08em;
  color:var(--cyan); text-transform:uppercase; padding:7px 14px;
  border:1px solid rgba(0,217,255,0.25); border-radius:100px;
  background:rgba(0,217,255,0.06); margin-bottom:26px;
}
.eyebrow .dot{
  width:6px; height:6px; border-radius:50%; background:var(--cyan);
  box-shadow:0 0 8px var(--cyan); animation:pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot{ 0%,100%{ opacity:1; } 50%{ opacity:0.3; } }
h1{
  font-family:var(--font-display); font-size:clamp(2.4rem, 4.6vw, 4rem);
  line-height:1.05; letter-spacing:-0.03em; font-weight:700; margin-bottom:24px;
}
h1 .accent{
  background:linear-gradient(120deg, var(--violet-bright), var(--cyan));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{ font-size:17.5px; color:var(--text-muted); max-width:480px; margin-bottom:38px; }
.hero-actions{ display:flex; gap:14px; align-items:center; margin-bottom:50px; flex-wrap:wrap; }
.btn-primary{
  padding:14px 26px; border-radius:9px;
  background:linear-gradient(120deg, var(--violet), #8b5cf6); color:#fff;
  font-weight:600; font-size:15px; display:inline-flex; align-items:center; gap:8px;
  box-shadow:0 0 0 1px rgba(255,255,255,0.06) inset, 0 12px 30px rgba(108,92,231,0.3);
  transition:transform .2s ease, box-shadow .2s ease;
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 16px 36px rgba(108,92,231,0.42); }
.btn-ghost{
  padding:14px 22px; border-radius:9px; border:1px solid var(--border); color:var(--text);
  font-weight:600; font-size:15px; transition:border-color .2s ease, background .2s ease;
}
.btn-ghost:hover{ border-color:var(--text-muted); background:rgba(255,255,255,0.03); }
.hero-tags{ display:flex; gap:10px; flex-wrap:wrap; font-family:var(--font-mono); font-size:12px; color:var(--text-faint); }
.hero-tags span{ padding:5px 10px; border:1px solid var(--border); border-radius:6px; }

/* signature: signal network visual */
.signal-box{ position:relative; height:440px; }
.signal-svg{ width:100%; height:100%; overflow:visible; }
.node{ fill: var(--cyan); filter: drop-shadow(0 0 6px rgba(0,217,255,0.7)); }
.node.violet{ fill: var(--violet-bright); filter: drop-shadow(0 0 6px rgba(139,123,255,0.7)); }
.link{ stroke: url(#linkGrad); stroke-width:1.2; opacity:0.5; }
.pulse-line{
  stroke: var(--cyan); stroke-width:2; stroke-linecap:round; fill:none;
  stroke-dasharray: 8 400; animation: travel 3.4s linear infinite;
}
@keyframes travel{ to{ stroke-dashoffset:-408; } }
.core-ring{ fill:none; stroke: rgba(108,92,231,0.4); stroke-width:1; }
.core-ring.spin{ animation: spin 20s linear infinite; transform-origin: center; }
.core-ring.spin-rev{ animation: spin-rev 26s linear infinite; transform-origin: center; }
@keyframes spin{ to{ transform:rotate(360deg); } }
@keyframes spin-rev{ to{ transform:rotate(-360deg); } }

/* ---------- SECTION SHARED ---------- */
section{ position:relative; padding:110px 0; }
.section-head{ max-width:600px; margin-bottom:64px; }
.section-tag{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--violet-bright); margin-bottom:16px; display:block;
}
h2{ font-family:var(--font-display); font-size:clamp(1.8rem, 3vw, 2.6rem); letter-spacing:-0.02em; font-weight:700; margin-bottom:16px; }
.section-desc{ color:var(--text-muted); font-size:16px; }

/* ---------- SERVICES ---------- */
.services-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:1px;
  background:var(--border); border:1px solid var(--border); border-radius:16px; overflow:hidden;
}
.services-grid.two-col{ grid-template-columns:repeat(2,1fr); }
.service-card{ background:var(--bg-alt); padding:36px 32px; transition:background .25s ease; }
.service-card:hover{ background:var(--surface); }
.service-icon{ width:42px; height:42px; margin-bottom:22px; }
.service-card h3{ font-family:var(--font-display); font-size:19px; font-weight:600; margin-bottom:10px; }
.service-card p{ color:var(--text-muted); font-size:14.5px; margin-bottom:14px;}
.service-list{ list-style:none; padding:0; margin-top:14px; }
.service-list li{
  font-size:13.5px; color:var(--text-muted); padding:8px 0 8px 20px;
  border-top:1px solid var(--border); position:relative;
}
.service-list li:first-child{ border-top:none; }
.service-list li::before{
  content:"→"; position:absolute; left:0; color:var(--cyan);
}

/* ---------- PROCESS ---------- */
.process-list{ display:flex; flex-direction:column; }
.process-item{
  display:grid; grid-template-columns:90px 1fr; gap:32px; padding:32px 0;
  border-top:1px solid var(--border); align-items:start;
}
.process-item:last-child{ border-bottom:1px solid var(--border); }
.process-num{ font-family:var(--font-mono); font-size:14px; color:var(--cyan); padding-top:4px; }
.process-item h3{ font-family:var(--font-display); font-size:20px; font-weight:600; margin-bottom:8px; }
.process-item p{ color:var(--text-muted); font-size:15px; max-width:520px; }

/* ---------- PILLARS ---------- */
.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.pillar{
  padding:32px; border:1px solid var(--border); border-radius:14px;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
}
.pillar .num{ font-family:var(--font-mono); color:var(--violet-bright); font-size:13px; margin-bottom:14px; display:block; }
.pillar h3{ font-family:var(--font-display); font-size:18px; margin-bottom:8px; }
.pillar p{ color:var(--text-muted); font-size:14.5px; }

/* ---------- ABOUT ---------- */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.about-text p{ color:var(--text-muted); font-size:16px; margin-bottom:20px; }
.about-text p strong{ color:var(--text); }
.about-visual{
  height:320px; border-radius:18px; border:1px solid var(--border);
  background: linear-gradient(135deg, rgba(108,92,231,0.12), rgba(0,217,255,0.08));
  position:relative; display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.about-visual .glyph{
  font-family:var(--font-display); font-size:120px; font-weight:700;
  color:transparent; -webkit-text-stroke:1.5px rgba(255,255,255,0.16);
}
.values-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; margin-top:20px;}
.value-card{ padding:24px; border:1px solid var(--border); border-radius:12px; }
.value-card h4{ font-family:var(--font-display); font-size:16px; margin-bottom:8px; }
.value-card p{ color:var(--text-muted); font-size:14px; }

/* ---------- CTA STRIP ---------- */
.cta-strip{
  border:1px solid var(--border); border-radius:20px;
  background:linear-gradient(160deg, var(--surface), var(--bg-alt));
  padding:56px; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
}
.cta-strip h2{ margin-bottom:8px; }
.cta-strip p{ color:var(--text-muted); }

/* ---------- CONTACT ---------- */
.contact-panel{
  border:1px solid var(--border); border-radius:20px;
  background:linear-gradient(160deg, var(--surface), var(--bg-alt));
  padding:64px; display:grid; grid-template-columns:1fr 1fr; gap:56px;
}
.contact-info h2{ margin-bottom:18px; }
.contact-info p{ color:var(--text-muted); margin-bottom:28px; font-size:15.5px; }
.contact-line{
  display:flex; gap:12px; align-items:center; font-size:14.5px; color:var(--text-muted);
  margin-bottom:14px; font-family:var(--font-mono);
}
.contact-line b{ color:var(--text); font-family:var(--font-body); }
.demo-note{
  display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:12px;
  color:var(--cyan); border:1px solid rgba(0,217,255,0.25); background:rgba(0,217,255,0.06);
  padding:8px 12px; border-radius:8px; margin-top:8px;
}

form{ display:flex; flex-direction:column; gap:16px; }
.field label{
  display:block; font-size:12.5px; font-family:var(--font-mono); color:var(--text-faint);
  margin-bottom:8px; text-transform:uppercase; letter-spacing:0.05em;
}
.field input, .field textarea{
  width:100%; background:var(--bg); border:1px solid var(--border); border-radius:9px;
  padding:13px 14px; color:var(--text); font-family:var(--font-body); font-size:14.5px;
  resize:none; transition:border-color .2s ease;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--violet-bright); }
.field textarea{ min-height:90px; }
.submit-btn{
  margin-top:6px; padding:14px; border-radius:9px;
  background:linear-gradient(120deg, var(--violet), #8b5cf6); color:#fff;
  font-weight:600; font-size:15px; border:none; cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease;
}
.submit-btn:hover{ transform:translateY(-2px); box-shadow:0 14px 30px rgba(108,92,231,0.35); }
.form-note{ font-size:12.5px; color:var(--text-faint); margin-top:4px; }

/* ---------- SUCCESS POPUP ---------- */
.popup-overlay{
  position:fixed; inset:0; z-index:1000;
  background:rgba(5,6,12,0.65);
  backdrop-filter: blur(4px);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none;
  transition:opacity .25s ease;
}
.popup-overlay.show{ opacity:1; pointer-events:auto; }
.popup-card{
  background:linear-gradient(160deg, var(--surface), var(--bg-alt));
  border:1px solid var(--border);
  border-radius:16px;
  padding:40px 44px;
  text-align:center;
  max-width:360px;
  transform:translateY(12px) scale(0.97);
  transition:transform .25s ease;
  box-shadow:0 30px 60px rgba(0,0,0,0.5);
}
.popup-overlay.show .popup-card{ transform:translateY(0) scale(1); }
.popup-icon{
  width:56px; height:56px;
  margin:0 auto 20px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--violet), var(--cyan));
  display:flex; align-items:center; justify-content:center;
}
.popup-icon svg{ width:26px; height:26px; }
.popup-card h3{
  font-family:var(--font-display); font-size:20px; font-weight:600; margin-bottom:8px;
}
.popup-card p{ color:var(--text-muted); font-size:14.5px; margin-bottom:24px; }
.popup-close{
  padding:11px 24px; border-radius:8px; border:1px solid var(--border);
  color:var(--text); font-weight:600; font-size:14px; cursor:pointer;
  background:transparent; transition:border-color .2s ease, background .2s ease;
}
.popup-close:hover{ border-color:var(--text-muted); background:rgba(255,255,255,0.03); }

/* ---------- TESTIMONIALS ---------- */
.testimonial-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.testimonial-card{
  padding:32px; border:1px solid var(--border); border-radius:14px;
  background:var(--bg-alt); display:flex; flex-direction:column;
}
.testimonial-card .quote-mark{
  font-family:var(--font-display); font-size:40px; color:var(--violet-bright);
  line-height:1; margin-bottom:12px;
}
.testimonial-card p.quote{ color:var(--text); font-size:15px; margin-bottom:22px; flex-grow:1; }
.testimonial-person{ display:flex; align-items:center; gap:12px; }
.testimonial-avatar{
  width:38px; height:38px; border-radius:50%;
  background:linear-gradient(135deg, var(--violet), var(--cyan));
  flex-shrink:0;
}
.testimonial-person .name{ font-size:14px; font-weight:600; color:var(--text); }
.testimonial-person .role{ font-size:12.5px; color:var(--text-faint); }

/* ---------- FAQ ---------- */
.faq-list{ display:flex; flex-direction:column; }
.faq-item{ border-top:1px solid var(--border); }
.faq-item:last-child{ border-bottom:1px solid var(--border); }
.faq-item summary{
  padding:24px 4px; cursor:pointer; list-style:none;
  display:flex; align-items:center; justify-content:space-between;
  font-family:var(--font-display); font-size:16.5px; font-weight:600; color:var(--text);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .icon{
  width:20px; height:20px; flex-shrink:0; color:var(--cyan);
  transition:transform .2s ease;
}
.faq-item[open] summary .icon{ transform:rotate(45deg); }
.faq-item .faq-answer{ padding:0 4px 24px; color:var(--text-muted); font-size:14.5px; max-width:640px; }

/* ---------- FOOTER ---------- */
footer{ border-top:1px solid var(--border); padding:44px 0; }
.footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px; }
.footer-links{ display:flex; gap:28px; font-size:14px; color:var(--text-muted); }
.footer-links a:hover{ color:var(--text); }
.footer-copy{ font-family:var(--font-mono); font-size:12.5px; color:var(--text-faint); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 860px){
  .nav-links{ display:none; }
  .hero{ padding:150px 0 80px; }
  .hero-sm{ padding:140px 0 60px; }
  .hero-grid{ grid-template-columns:1fr; gap:20px; }
  .signal-box{ height:300px; order:-1; }
  .services-grid, .services-grid.two-col{ grid-template-columns:1fr; }
  .testimonial-grid{ grid-template-columns:1fr; }
  .process-item{ grid-template-columns:50px 1fr; }
  .pillars{ grid-template-columns:1fr; }
  .about-grid{ grid-template-columns:1fr; }
  .about-visual{ order:-1; height:220px; }
  .values-grid{ grid-template-columns:1fr; }
  .contact-panel{ grid-template-columns:1fr; padding:36px 24px; }
  .cta-strip{ padding:36px 24px; }
  section{ padding:70px 0; }
}