:root {
  --bg: #060b14;
  --bg-elevated: #0b1520;
  --bg-card: #0f1d2e;
  --fg: #e8edf5;
  --fg-muted: #8899aa;
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --accent-dim: #0099bb;
  --success: #00e5a0;
  --warning: #ffb800;
  --border: #1a2d42;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: linear-gradient(180deg, var(--bg) 0%, transparent 100%);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--fg) 0%, #a0b4c8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Venue Grid Visual */
.hero-visual { position: relative; }
.venue-grid {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.venue-grid::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.5;
}
.venue-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.3);
  color: var(--success);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 4px 8px;
  border-radius: 4px;
}
.live-dot {
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}
.venue-name { font-size: 14px; color: var(--fg-muted); }
.venue-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 20px;
}
.zone {
  aspect-ratio: 1;
  background: var(--bg-card);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.2s;
}
.zone:hover { transform: scale(1.05); }
.zone-count {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
}
.zone-active { background: rgba(0, 212, 255, 0.3); border: 1px solid rgba(0, 212, 255, 0.5); }
.zone-high { background: rgba(0, 212, 255, 0.15); border: 1px solid rgba(0, 212, 255, 0.3); }
.zone-medium { background: rgba(0, 212, 255, 0.08); border: 1px solid rgba(0, 212, 255, 0.2); }
.zone-low { background: var(--bg-card); border: 1px solid var(--border); }
.zone-empty { background: var(--bg); border: 1px dashed var(--border); }
.venue-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.stat { text-align: center; }
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 4px;
}
.stat-label {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Problem Section */
.problem { padding: 100px 40px; background: var(--bg-elevated); }
.problem-content { max-width: 1200px; margin: 0 auto; }
.problem-header { text-align: center; margin-bottom: 64px; }
.problem-header h2 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.problem-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s;
}
.problem-card:hover { border-color: var(--accent-dim); }
.problem-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.problem-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.problem-card p { font-size: 15px; color: var(--fg-muted); line-height: 1.6; }

/* Solution Section */
.solution { padding: 100px 40px; }
.solution-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.solution-text h2 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.solution-text p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}
.solution-list { list-style: none; }
.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 16px;
}
.solution-list li::before {
  content: '';
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 2px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23060b14' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}
.solution-visual {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  position: relative;
}
.chart-header {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.trend-chart {
  height: 200px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 100%);
  border-radius: 4px 4px 0 0;
  transition: transform 0.2s;
}
.chart-bar:hover {
  transform: scaleY(1.05);
  transform-origin: bottom;
}
.chart-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--fg-muted);
}
.predict-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.3);
  border-radius: 8px;
  padding: 16px;
  margin-top: 24px;
}
.predict-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 229, 160, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success);
}
.predict-text strong {
  display: block;
  font-size: 14px;
  margin-bottom: 2px;
}
.predict-text span { font-size: 13px; color: var(--fg-muted); }

/* Features Section */
.features { padding: 100px 40px; background: var(--bg-elevated); }
.features-content { max-width: 1200px; margin: 0 auto; }
.features-header { text-align: center; margin-bottom: 64px; }
.features-header h2 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.features-header p { font-size: 18px; color: var(--fg-muted); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent-dim); }
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.feature-card p { font-size: 15px; color: var(--fg-muted); line-height: 1.6; }

/* Closing */
.closing {
  padding: 120px 40px;
  text-align: center;
  position: relative;
}
.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 100%, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}
.closing-content { max-width: 800px; margin: 0 auto; position: relative; }
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.closing p {
  font-size: 20px;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Footer */
.footer { padding: 40px; border-top: 1px solid var(--border); }
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
}
.footer-brand p { font-size: 14px; color: var(--fg-muted); margin-top: 4px; }
.footer-meta { font-size: 14px; color: var(--fg-muted); }

/* Responsive */
@media (max-width: 900px) {
  .hero-content, .solution-content { grid-template-columns: 1fr; gap: 48px; }
  .problem-grid, .features-grid { grid-template-columns: 1fr; }
  .nav { padding: 16px 20px; }
  .hero { padding: 100px 20px 60px; }
  .problem, .solution, .features, .closing { padding: 60px 20px; }
}
@media (max-width: 600px) {
  .stat-value { font-size: 22px; }
  .hero h1 { font-size: 40px; }
}