:root {
  --bg: #050810;
  --fg: #ebebeb;
  --fg-muted: #8888a0;
  --accent: #c8ff4d;
  --accent-dim: rgba(200, 255, 77, 0.08);
  --surface: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.07);
  --node: rgba(200,255,77,0.35);
  --node-glow: rgba(200,255,77,0.12);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.accent { color: var(--accent); }

/* HERO */
.hero {
  padding: 160px 40px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.lime { color: var(--accent); }

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 480px;
}

/* AUTOMATION GRID */
.hero-visual {
  position: relative;
}

.automation-grid {
  position: relative;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 0 10px;
}

.node {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  background: var(--node-glow);
  border: 1px solid var(--node);
  position: relative;
}

.node::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: radial-gradient(circle at 30% 30%, var(--node-glow), transparent);
}

.node-5 {
  background: rgba(200,255,77,0.18);
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(200,255,77,0.25), 0 0 80px rgba(200,255,77,0.1);
}

.node-5::before {
  background: radial-gradient(circle at 50% 50%, rgba(200,255,77,0.3), transparent 70%);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 40px rgba(200,255,77,0.25), 0 0 80px rgba(200,255,77,0.1); }
  50% { box-shadow: 0 0 60px rgba(200,255,77,0.45), 0 0 120px rgba(200,255,77,0.2); }
}

.node-5.pulse {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

.signal {
  position: absolute;
  width: 2px;
  height: 40px;
  background: var(--accent);
  opacity: 0.4;
}

.signal::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 2px;
  height: 30px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  opacity: 0.2;
}

@keyframes signal-move {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); opacity: 0.6; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.signal-line {
  height: 100%;
  background: var(--accent);
  animation: signal-move 2s ease-in-out infinite;
}

.signal-1 { left: 30%; top: 30%; animation-delay: 0.3s; }
.signal-2 { right: 30%; top: 50%; animation-delay: 1s; }

/* ACTIVITY FEED */
.activity-feed {
  position: absolute;
  bottom: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  min-width: 280px;
  backdrop-filter: blur(8px);
}

.feed-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.feed-item:last-child { border-bottom: none; }

.feed-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--node);
  flex-shrink: 0;
}

.feed-dot.live {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.feed-text {
  font-size: 0.72rem;
  color: var(--fg-muted);
  font-family: var(--font-body);
}

/* PROBLEM */
.problem {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 40px;
}

.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}

.stat-block {
  text-align: center;
  padding: 0 20px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-unit {
  font-size: 2.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
  max-width: 200px;
}

.problem-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.problem-text p {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--fg);
}

.problem-text p:last-child {
  color: var(--fg-muted);
  font-size: 1rem;
}

/* FEATURES */
.features {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 60px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 80px;
}

.feature-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid rgba(200,255,77,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
  line-height: 1.3;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* OUTCOMES */
.outcomes {
  padding: 80px 40px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--accent-dim);
}

.outcomes-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.outcome {
  text-align: center;
}

.outcome-number {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.outcome-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* CLOSING */
.closing {
  padding: 120px 40px;
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-wordmark {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .hero-visual {
    display: none;
  }

  .problem-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .stat-block { border-bottom: 1px solid var(--border); padding-bottom: 40px; }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .outcomes-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero { padding-top: 120px; }
}

@media (max-width: 480px) {
  .hero { padding-left: 20px; padding-right: 20px; }
  .problem { padding-left: 20px; padding-right: 20px; }
  .features { padding-left: 20px; padding-right: 20px; }
  .outcomes { padding-left: 20px; padding-right: 20px; }
  .closing { padding-left: 20px; padding-right: 20px; }
  .footer-inner { padding: 0; flex-direction: column; align-items: flex-start; }
}