:root {
  --bg: #0a0a0f;
  --bg-raised: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8f0;
  --fg-muted: #8888a0;
  --accent: #00e5a0;
  --accent-glow: rgba(0, 229, 160, 0.15);
  --accent-secondary: #7c5cff;
  --hot: #ff4d6a;
  --warm: #ffaa33;
  --rising: #00ccff;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
  --max-w: 1120px;
}

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

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

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

/* ============ HERO ============ */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: var(--accent-glow);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid rgba(0, 229, 160, 0.25);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.08);
}

/* Trend card visual */
.hero-visual { position: relative; }

.trend-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 80px var(--accent-glow);
}

.trend-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 229, 160, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(0, 229, 160, 0); }
}

.trend-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.trend-item:last-child { border-bottom: none; }

.trend-topic {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}

.trend-score {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
}
.trend-score.hot { background: rgba(255,77,106,0.12); color: var(--hot); }
.trend-score.warm { background: rgba(255,170,51,0.12); color: var(--warm); }
.trend-score.rising { background: rgba(0,204,255,0.12); color: var(--rising); }

/* ============ HOW ============ */
.how {
  background: var(--bg-raised);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.how-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
}

.how h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 56px;
}

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

.step {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.step-arrow {
  font-size: 1.6rem;
  color: var(--fg-muted);
  padding-top: 48px;
  flex-shrink: 0;
}

/* ============ PLATFORMS ============ */
.platforms {
  padding: 60px 24px;
}

.platforms-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

.section-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.platform-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.platform-chip {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 8px;
  transition: border-color 0.2s;
}

.platform-chip:hover {
  border-color: var(--accent);
}

/* ============ FEATURES ============ */
.features {
  background: var(--bg-raised);
  border-top: 1px solid rgba(255,255,255,0.04);
}

.features-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
}

.features h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(0, 229, 160, 0.3);
}

.feature-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ============ CLOSING ============ */
.closing {
  padding: 100px 24px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ============ FOOTER ============ */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 32px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

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

.footer-divider {
  color: rgba(255,255,255,0.1);
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 20px 40px;
    gap: 40px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-num {
    font-size: 1.5rem;
  }

  .steps {
    flex-direction: column;
  }

  .step-arrow {
    display: none;
  }

  .how h2, .features h2, .closing h2 {
    font-size: 1.7rem;
  }

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

  .closing {
    padding: 60px 20px;
  }
}