:root {
  --bg: #0b0d14;
  --bg-2: #11141d;
  --ink: #ecedf2;
  --ink-sub: #8b8fa3;
  --accent: #818cf8;
  --accent-bright: #a5b4fc;
  --accent-dim: #4c4f8a;
  --grid: rgba(129, 140, 248, 0.07);
  --line: rgba(255, 255, 255, 0.08);
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: 'JetBrains Mono', monospace; }
.accent { color: var(--accent-bright); }

/* Circuit board background */
.circuit-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: 0.55;
}
.circuit-bg svg { width: 100%; height: 100%; }
.circuit-trace { stroke: var(--accent-dim); stroke-width: 1; fill: none; }
.circuit-node { fill: var(--accent); }

/* Animated packet */
@keyframes flow1 { 0% { offset-distance: 0%; opacity: 0; } 10% { opacity: 1; } 90% { opacity: 1; } 100% { offset-distance: 100%; opacity: 0; } }
.packet { fill: var(--accent-bright); }
.packet-1 { offset-path: path('M 0 100 L 300 100 L 350 150 L 700 150 L 750 100 L 1200 100'); animation: flow1 6s linear infinite; }
.packet-2 { offset-path: path('M 0 350 L 200 350 L 250 400 L 600 400 L 650 450 L 1200 450'); animation: flow1 8s linear infinite 1.5s; }
.packet-3 { offset-path: path('M 0 600 L 400 600 L 450 650 L 800 650 L 850 700 L 1200 700'); animation: flow1 7s linear infinite 3s; }

/* Layout */
.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
nav.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 13, 20, 0.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}
nav.top .inner {
  max-width: 1180px; margin: 0 auto; padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 16px; letter-spacing: -0.01em; }
.brand-logo { width: 28px; height: 28px; }
nav .links { display: flex; gap: 28px; }
nav .links a { color: var(--ink-sub); text-decoration: none; font-size: 14px; font-weight: 500; transition: color .15s; }
nav .links a:hover { color: var(--ink); }
nav .links a.active { color: var(--accent-bright); }

/* Cloned CTA for the mobile dropdown — hidden on desktop, shown inside the @media block */
nav .links .mobile-cta { display: none; }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 40px; height: 40px;
  padding: 0;
  cursor: pointer;
  color: var(--ink);
  align-items: center;
  justify-content: center;
  font-family: inherit;
  transition: border-color .15s;
}
.menu-toggle:hover { border-color: var(--accent); }
.menu-toggle .bars { display: block; width: 18px; height: 12px; position: relative; }
.menu-toggle .bars::before,
.menu-toggle .bars::after,
.menu-toggle .bars span {
  content: ''; position: absolute; left: 0; right: 0; height: 1.5px;
  background: currentColor; border-radius: 2px;
  transition: transform .25s, opacity .2s, top .25s;
}
.menu-toggle .bars::before { top: 0; }
.menu-toggle .bars span { top: 5px; }
.menu-toggle .bars::after { top: 10px; }
nav.top.menu-open .menu-toggle .bars::before { top: 5px; transform: rotate(45deg); }
nav.top.menu-open .menu-toggle .bars::after { top: 5px; transform: rotate(-45deg); }
nav.top.menu-open .menu-toggle .bars span { opacity: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 8px; font-size: 14px; font-weight: 600; text-decoration: none; transition: transform .12s, background .15s, border-color .15s; cursor: pointer; border: 1px solid transparent; font-family: inherit; }
.btn-primary { background: var(--accent); color: #0a0c14; }
.btn-primary:hover { background: var(--accent-bright); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-bright); }

/* Sections */
section { padding: 96px 0; position: relative; z-index: 1; }
section + section { border-top: 1px solid var(--line); }
.eyebrow { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.18em; color: var(--accent); text-transform: uppercase; margin-bottom: 16px; }
h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(48px, 7vw, 80px); }
h2 { font-size: clamp(32px, 4.5vw, 48px); margin-bottom: 16px; }
h3 { font-size: 20px; margin-bottom: 8px; letter-spacing: -0.01em; }
p { margin: 0 0 16px; color: var(--ink-sub); max-width: 60ch; }
.lead { font-size: 19px; color: var(--ink); opacity: 0.85; }

/* Hero */
.hero { padding: 110px 0 90px; min-height: 88vh; display: flex; align-items: center; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; width: 100%; }
.hero p { font-size: 19px; }
.hero .ctas { display: flex; gap: 12px; margin-top: 32px; }
.hero-graphic { position: relative; height: 420px; }

/* Node graph */
.node {
  position: absolute;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  min-width: 130px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35), 0 0 0 1px rgba(129,140,248,0.04) inset;
  transition: border-color .2s, transform .2s;
}
.node:hover { border-color: var(--accent); transform: translateY(-2px); }
.node-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--accent); margin-bottom: 4px; letter-spacing: 0.05em; }
.node-name { font-weight: 600; font-size: 15px; }
.node-sub { font-size: 12px; color: var(--ink-sub); margin-top: 4px; }
.node.active { border-color: var(--accent); box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 1px var(--accent) inset, 0 0 40px rgba(129,140,248,0.15); }

/* Services grid */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.svc { background: var(--bg); padding: 28px 24px; transition: background .2s; }
.svc:hover { background: var(--bg-2); }
.svc-icon { width: 36px; height: 36px; border: 1px solid var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 16px; font-family: 'JetBrains Mono', monospace; font-size: 16px; font-weight: 700; }
.svc p { font-size: 14px; margin: 0; }

/* Industries grid */
.industries-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 1100px) { #who .industries-grid { grid-template-columns: repeat(2, 1fr) !important; } }
.industry { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 24px; transition: border-color .2s, transform .2s; }
.industry:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.industry-label { font-size: 11px; color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 12px; }
.industry h3 { font-size: 16px; margin-bottom: 6px; }
.industry p { font-size: 13px; margin: 0; line-height: 1.5; }

/* Demo viz */
.demo-frame {
  position: relative; border: 1px solid var(--line); border-radius: 16px;
  background: var(--bg-2); overflow: hidden; padding: 40px;
  margin-top: 32px;
}
.demo-frame::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 36px; background: rgba(255,255,255,0.02); border-bottom: 1px solid var(--line); }
.demo-frame::after { content: '● ● ●'; position: absolute; top: 11px; left: 16px; font-size: 8px; letter-spacing: 4px; color: rgba(255,255,255,0.3); }
.demo-title { position: absolute; top: 9px; left: 50%; transform: translateX(-50%); font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-sub); }

/* Process */
.process-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 32px; position: relative; }
.process-step { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 24px; position: relative; }
.process-step:hover { border-color: var(--accent-dim); }
.step-num { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 12px; }
.step-name { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.step-desc { font-size: 13px; color: var(--ink-sub); margin: 0; }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; background: transparent; border: 0; color: var(--ink); text-align: left; padding: 24px 0; font-size: 18px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: inherit; letter-spacing: -0.01em; }
.faq-q:hover { color: var(--accent-bright); }
.faq-q .plus { font-family: 'JetBrains Mono', monospace; color: var(--accent); font-size: 22px; transition: transform .25s; line-height: 1; }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s; }
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a > div { overflow: hidden; }
.faq-a p { padding: 0 0 24px; font-size: 15px; max-width: 65ch; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
form { display: grid; gap: 16px; }
label { font-size: 12px; color: var(--ink-sub); font-family: 'JetBrains Mono', monospace; letter-spacing: 0.08em; text-transform: uppercase; }
input, textarea { background: var(--bg-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; color: var(--ink); font-family: inherit; font-size: 15px; resize: vertical; }
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
.form-row { display: grid; gap: 6px; }
.form-success { background: rgba(129,140,248,0.08); border: 1px solid var(--accent-dim); border-radius: 12px; padding: 24px; }
.form-success h3 { color: var(--accent-bright); }

/* Stats grid */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.stat { background: var(--bg); padding: 32px 24px; transition: background .2s; }
.stat:hover { background: var(--bg-2); }
.stat-num { font-size: 44px; font-weight: 700; color: var(--accent-bright); letter-spacing: -0.02em; line-height: 1; margin-bottom: 14px; }
.stat-suffix { font-size: 18px; color: var(--accent); letter-spacing: 0; font-weight: 500; margin-left: 2px; }
.stat-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink); margin-bottom: 8px; }
.stat-desc { font-size: 13px; color: var(--ink-sub); margin: 0; line-height: 1.5; }

/* Deliverables list (proof section) */
.deliv { display: grid; grid-template-columns: 18px 1fr; gap: 14px; align-items: start; }
.deliv-mark { color: var(--accent); font-size: 14px; line-height: 1.3; }
.deliv strong { color: var(--ink); font-size: 15px; font-weight: 600; }

/* Next-step card */
.next-card { position: relative; overflow: hidden; background: var(--bg-2); border: 1px solid var(--line); border-radius: 16px; padding: 56px 48px; display: grid; grid-template-columns: 1.4fr auto; gap: 32px; align-items: center; }
.next-glow { position: absolute; inset: 0; background: radial-gradient(circle at 85% 50%, rgba(129,140,248,0.12), transparent 60%); pointer-events: none; }
.next-text { position: relative; z-index: 1; }
.next-ctas { display: flex; gap: 12px; flex-wrap: wrap; position: relative; z-index: 1; }

/* Footer */
footer { padding: 48px 0; border-top: 1px solid var(--line); color: var(--ink-sub); font-size: 13px; position: relative; z-index: 1; }
footer .inner { display: flex; justify-content: space-between; align-items: center; }

@media (max-width: 800px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .industries-grid,
  #who .industries-grid { grid-template-columns: 1fr !important; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  #proof .reveal { grid-template-columns: 1fr !important; gap: 32px !important; }
  .next-card { grid-template-columns: 1fr !important; padding: 36px 28px !important; }
  .stat-num { font-size: 36px; }
  #cta-band > .container > div { grid-template-columns: 1fr !important; padding: 36px 28px !important; }
  .process-row { grid-template-columns: 1fr 1fr; }
  .hero-graphic { height: 280px; }

  nav.top .inner { padding: 12px 20px; gap: 12px; }
  .container { padding: 0 20px; }
  .menu-toggle { display: inline-flex; }
  /* Hide the desktop CTA in the bar to make room — it reappears in the menu */
  nav.top > .inner > .btn-primary { display: none; }

  nav .links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(11, 13, 20, 0.96);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 8px 20px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
  }
  nav.top.menu-open .links {
    display: flex;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  nav .links a {
    font-size: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }
  nav .links a:last-of-type { border-bottom: 0; }
  nav .links .btn-primary {
    margin-top: 16px;
    justify-content: center;
    padding: 14px 18px;
    font-size: 15px;
  }
  nav .links .mobile-cta { display: inline-flex; }
}

/* Subtle in-view fade */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }