:root {
  --bg: #0c0e12;
  --fg: #e8eaf0;
  --fg-muted: #7a8499;
  --accent: #3d7eff;
  --accent-dim: rgba(61, 126, 255, 0.15);
  --surface: #13161d;
  --surface-2: #1a1e28;
  --border: #252a38;
  --success: #22c55e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Syne', system-ui, sans-serif;
  line-height: 1.15;
}

/* NAV */
.nav {
  padding: 22px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.nav-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 100px 48px 80px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-size: clamp(42px, 5.5vw, 68px);
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 20px;
  letter-spacing: -1.5px;
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 420px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill {
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--fg-muted);
  background: var(--surface);
}

/* AUTOMATON */
.automaton {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  height: 320px;
}
.a-body {
  width: 160px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.a-eye-row {
  display: flex;
  gap: 10px;
}
.a-eye {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(61, 126, 255, 0.5);
}
.a-label {
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--success);
  font-weight: 600;
}
.a-bar-row {
  display: flex;
  gap: 6px;
  align-items: flex-end;
  height: 36px;
}
.a-bar {
  width: 12px;
  background: var(--accent-dim);
  border-radius: 3px;
  border: 1px solid var(--accent);
}
.a-bar-1 { height: 18px; }
.a-bar-2 { height: 28px; }
.a-bar-3 { height: 36px; }
.a-line-row {
  display: flex;
  gap: 5px;
  width: 100%;
}
.a-line {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
}
.a-line-off { background: var(--surface-2); }
.a-connector {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.a-node {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.node-ring {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  opacity: 0.4;
  animation: spin 8s linear infinite;
}
.node-ring-2 {
  width: 56px;
  height: 56px;
  border-color: var(--fg-muted);
  animation-direction: reverse;
  opacity: 0.25;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.node-core {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 20px var(--accent);
}

/* PROBLEM */
.problem {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}
.problem-inner { max-width: 1100px; margin: 0 auto; }
.problem-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}
.problem-stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 52px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -2px;
}
.stat-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}
.problem-copy {
  font-size: 20px;
  color: var(--fg-muted);
  max-width: 680px;
  line-height: 1.7;
  border-left: 3px solid var(--accent);
  padding-left: 24px;
}

/* SOLUTION */
.solution { padding: 90px 48px; }
.solution-inner { max-width: 1100px; margin: 0 auto; }
.sol-header { margin-bottom: 60px; }
.section-eyebrow {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.sol-header h2 { font-size: 38px; font-weight: 700; letter-spacing: -1px; }
.sol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.sol-card {
  background: var(--surface);
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sol-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.sol-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
}
.sol-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* FEATURES */
.features { padding: 0 48px 90px; }
.features-inner { max-width: 1100px; margin: 0 auto; }
.feat-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 0;
}
.feat-col:last-child { margin-top: 40px; }
.feat-block { display: flex; flex-direction: column; gap: 10px; }
.feat-icon {
  font-size: 14px;
  color: var(--accent);
}
.feat-block h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
}
.feat-block p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* PHILOSOPHY */
.philosophy {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}
.philosophy-inner { max-width: 800px; margin: 0 auto; }
blockquote {
  font-family: 'Syne', sans-serif;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 600;
  color: var(--fg);
  line-height: 1.5;
  letter-spacing: -0.5px;
  text-align: center;
  font-style: normal;
}

/* CLOSING */
.closing { padding: 100px 48px; }
.closing-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.closing-headline {
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--fg);
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand { display: flex; flex-direction: column; gap: 4px; }
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  color: var(--fg);
}
.footer-motto { font-size: 12px; color: var(--fg-muted); }
.footer-note { font-size: 12px; color: var(--fg-muted); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 60px 32px 60px; }
  .hero-right { display: none; }
  .problem-stat-row { grid-template-columns: 1fr; gap: 32px; }
  .sol-grid { grid-template-columns: 1fr; }
  .feat-col { grid-template-columns: 1fr; gap: 32px; }
  .feat-col:last-child { margin-top: 0; }
  .nav { padding: 20px 32px; }
  .problem, .solution, .features, .philosophy, .closing, .footer { padding-left: 32px; padding-right: 32px; }
}
@media (max-width: 600px) {
  .hero-headline { font-size: 36px; }
  .stat-num { font-size: 40px; }
  .sol-header h2 { font-size: 28px; }
}