:root {
  --bg: #080B0A;
  --surface: #101411;
  --surface-2: #151A16;
  --surface-3: #1A201B;
  --line: #252C27;

  --text: #F4F7F3;
  --muted: #9CA59E;
  --muted-2: #768078;

  --brand: #A7FF35;
  --brand-strong: #79C91E;
  --brand-soft: rgba(167,255,53,.10);

  --info: #4EA1FF;
  --info-soft: rgba(78,161,255,.12);

  --warning: #F5B942;
  --warning-soft: rgba(245,185,66,.12);

  --danger: #FF5C5C;
  --danger-soft: rgba(255,92,92,.12);

  --ai: #9B7CFF;
  --ai-soft: rgba(155,124,255,.12);

  --success: #62D26F;
  --success-soft: rgba(98,210,111,.12);

  --max: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 14% 4%, rgba(167,255,53,.06), transparent 24rem),
    radial-gradient(circle at 86% 18%, rgba(155,124,255,.045), transparent 22rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.page-shell { min-height: 100vh; }

.site-header {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--brand);
  color: #070A07;
  font-weight: 950;
  letter-spacing: -.04em;
  box-shadow: 0 0 0 1px rgba(255,255,255,.03);
}

.brand-name {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .16em;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--muted);
}

.top-nav a:hover { color: var(--text); }

.nav-cta {
  color: var(--text) !important;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.hero {
  width: min(calc(100% - 48px), var(--max));
  min-height: 690px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 70px;
  padding: 80px 0 90px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--brand);
  font-size: 12px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: .18em;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 24px;
  font-size: clamp(58px, 7vw, 96px);
  line-height: .91;
  letter-spacing: -.065em;
  max-width: 760px;
}

.hero-lead {
  max-width: 670px;
  margin-bottom: 34px;
  color: #ADB6AF;
  font-size: 19px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  padding: 0 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 800;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.button:hover { transform: translateY(-1px); }

.button.primary {
  background: var(--brand);
  color: #080A08;
}

.button.primary:hover { background: #B7FF58; }

.button.secondary {
  border: 1px solid var(--line);
  background: var(--surface);
}

.button.large {
  min-height: 54px;
  padding-inline: 24px;
  font-size: 15px;
}

.hero-proof {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 42px;
  color: var(--muted-2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 800;
}

.hero-proof span::before {
  content: "•";
  color: var(--brand);
  margin-right: 8px;
}

.network-card {
  min-height: 500px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.025), transparent 35%),
    var(--surface);
  box-shadow: 0 40px 100px rgba(0,0,0,.35);
  overflow: hidden;
  position: relative;
}

.network-card::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  top: 42px;
  left: 50%;
  transform: translateX(-50%);
  border: 1px solid rgba(155,124,255,.12);
  box-shadow:
    0 0 0 55px rgba(78,161,255,.02),
    0 0 0 110px rgba(167,255,53,.012);
}

.network-top {
  position: relative;
  z-index: 2;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  color: #839087;
  font-size: 10px;
  letter-spacing: .16em;
  font-weight: 900;
  border-bottom: 1px solid var(--line);
}

.status-dot { color: var(--success); }

.network-center {
  height: 345px;
  position: relative;
  display: grid;
  place-items: center;
}

.core {
  width: 150px;
  height: 150px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 9px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 35%, var(--ai-soft), transparent 65%),
    var(--surface-2);
  border: 1px solid rgba(155,124,255,.5);
  box-shadow: 0 0 55px rgba(155,124,255,.09);
  z-index: 2;
}

.core-mark {
  font-size: 38px;
  font-weight: 950;
  color: var(--brand);
}

.core small {
  max-width: 90px;
  text-align: center;
  color: #829087;
  line-height: 1.35;
}

.node {
  position: absolute;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: #C9D0CB;
  font-size: 11px;
  font-weight: 700;
}

.node-growth { top: 65px; left: 50%; transform: translateX(-50%); border-color: rgba(78,161,255,.32); }
.node-sales { left: 45px; top: 50%; transform: translateY(-50%); border-color: rgba(167,255,53,.24); }
.node-ops { right: 40px; top: 50%; transform: translateY(-50%); border-color: rgba(245,185,66,.28); }
.node-fin { bottom: 45px; left: 50%; transform: translateX(-50%); border-color: rgba(155,124,255,.32); }

.insight-row {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.insight-row div {
  padding: 18px 20px;
  border-right: 1px solid var(--line);
}

.insight-row div:last-child { border-right: 0; }

.insight-row small {
  display: block;
  margin-bottom: 5px;
  color: #687168;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.insight-row strong { font-size: 13px; }

.section {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 110px 0;
  border-top: 1px solid rgba(255,255,255,.07);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 54px;
}

.section-heading.compact { margin-bottom: 44px; }

.section-heading h2,
.insight-panel h2,
.cta-panel h2 {
  margin-bottom: 18px;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1;
  letter-spacing: -.05em;
}

.section-heading > p:last-child,
.cta-panel > p {
  max-width: 700px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 17px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.module-card {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.module-card h3 {
  margin: 56px 0 10px;
  font-size: 23px;
  letter-spacing: -.025em;
}

.module-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

.module-number {
  color: var(--brand);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .14em;
}

.module-card:nth-child(1) .module-number { color: var(--info); }
.module-card:nth-child(2) .module-number { color: var(--brand); }
.module-card:nth-child(3) .module-number { color: var(--warning); }
.module-card:nth-child(4) .module-number { color: var(--ai); }
.module-card:nth-child(5) .module-number { color: var(--success); }

.accent-card {
  background:
    linear-gradient(150deg, var(--ai-soft), transparent 65%),
    var(--surface);
  border-color: rgba(155,124,255,.30);
}

.accent-card .module-number { color: var(--ai); }

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: var(--surface);
}

.flow-step {
  min-height: 250px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.flow-step:last-child { border-right: 0; }

.flow-step > span {
  font-size: 11px;
  font-weight: 900;
}

.flow-step:nth-child(1) > span { color: var(--info); }
.flow-step:nth-child(2) > span { color: var(--brand); }
.flow-step:nth-child(3) > span { color: var(--warning); }
.flow-step:nth-child(4) > span { color: var(--ai); }

.flow-step h3 {
  margin: 78px 0 10px;
  font-size: 24px;
}

.flow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.insight-panel {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 70px;
  align-items: end;
  padding: 54px;
  border: 1px solid rgba(155,124,255,.30);
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 20%, var(--ai-soft), transparent 28rem),
    var(--surface);
}

.insight-panel .eyebrow { color: var(--ai); }
.insight-panel h2 { margin-bottom: 0; }

.example-insight {
  padding: 25px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(5,8,6,.45);
}

.example-insight span {
  display: block;
  margin-bottom: 12px;
  color: var(--ai);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.example-insight p {
  margin: 0;
  color: #C5CCC7;
  line-height: 1.75;
}

.cta-section { padding-bottom: 130px; }

.cta-panel {
  padding: 70px;
  border-radius: 28px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(78,161,255,.05), rgba(155,124,255,.06)),
    var(--text);
  color: #0A0D0A;
}

.cta-panel .eyebrow { color: #4E7F13; }

.cta-panel h2 {
  max-width: 850px;
  margin-inline: auto;
}

.cta-panel > p {
  margin: 0 auto 30px;
  color: #515A52;
}

.site-footer {
  width: min(calc(100% - 48px), var(--max));
  min-height: 140px;
  margin: 0 auto;
  padding: 35px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,.07);
}

.site-footer p {
  margin: 0;
  color: #687168;
  font-size: 12px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
  }

  .hero-visual { max-width: 650px; }

  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-step:nth-child(2) { border-right: 0; }
  .flow-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }

  .insight-panel {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: min(calc(100% - 30px), var(--max));
  }

  .site-header { height: 76px; }
  .top-nav a:not(.nav-cta) { display: none; }

  .hero {
    min-height: auto;
    padding: 62px 0 75px;
    gap: 55px;
  }

  h1 { font-size: clamp(54px, 16vw, 72px); }
  .hero-lead { font-size: 17px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }

  .network-card { min-height: 450px; }
  .network-center { height: 310px; }
  .node-sales { left: 17px; }
  .node-ops { right: 15px; }

  .section { padding: 80px 0; }

  .module-grid,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .flow-step {
    min-height: 210px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .flow-step:last-child { border-bottom: 0; }
  .flow-step h3 { margin-top: 55px; }

  .insight-panel,
  .cta-panel {
    padding: 32px 24px;
    border-radius: 20px;
  }

  .insight-panel h2,
  .cta-panel h2,
  .section-heading h2 {
    font-size: 40px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}