:root {
  --bg-deep: #0a0c10;
  --bg-card: #12151c;
  --bg-hover: #1a1e28;
  --border: #1e2330;
  --text-primary: #e8eaf0;
  --text-secondary: #8a8f9e;
  --text-dim: #5a5f6e;
  --accent-green: #22c55e;
  --accent-green-dim: rgba(34, 197, 94, 0.12);
  --accent-red: #ef4444;
  --accent-red-dim: rgba(239, 68, 68, 0.1);
  --accent-blue: #3b82f6;
  --accent-amber: #f59e0b;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 80vw;
  height: 80vw;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-green);
  background: var(--accent-green-dim);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
}

.hero-tag .pulse {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

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

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
}

/* ---- SIGNAL PREVIEW ---- */
.signal-section {
  padding: 5rem 2rem;
  position: relative;
}

.signal-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.signal-container {
  max-width: 900px;
  margin: 0 auto;
}

.signal-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.signal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.signal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.signal-header .market-name {
  color: var(--text-primary);
  font-weight: 500;
}

.signal-header .timestamp {
  color: var(--text-dim);
}

.signal-body {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.signal-metric {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.signal-metric .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.signal-metric .value {
  font-size: 1.6rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.signal-metric .value.green { color: var(--accent-green); }
.signal-metric .value.red { color: var(--accent-red); }
.signal-metric .value.amber { color: var(--accent-amber); }
.signal-metric .value.blue { color: var(--accent-blue); }

.signal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-green);
  background: var(--accent-green-dim);
}

/* ---- FEATURES ---- */
.features-section {
  padding: 6rem 2rem;
  position: relative;
}

.features-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.features-container {
  max-width: 900px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 3.5rem;
}

.features-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.features-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 550px;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(34, 197, 94, 0.3);
}

.feature-icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  background: var(--accent-green-dim);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ---- EDGE ---- */
.edge-section {
  padding: 6rem 2rem;
  position: relative;
}

.edge-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.edge-container h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.edge-container h2 .gradient {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.edge-sub {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

.edge-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.edge-stat .number {
  font-size: 2.2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent-green);
  letter-spacing: -0.02em;
}

.edge-stat .desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* ---- FOOTER ---- */
.footer {
  padding: 3rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.footer-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

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

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

  .edge-stats {
    flex-direction: column;
    gap: 2rem;
    align-items: center;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
  }

  .hero {
    padding: 2rem 1.5rem;
  }
}
/* ---- HERO CTA ---- */
.hero-cta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-green);
  color: #0a0c10;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: opacity 0.15s, transform 0.15s;
}
.cta-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.cta-note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}