.hero {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
  overflow: hidden;
}

#hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-content {
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
  animation: glow 2s ease-in-out infinite alternate;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--primary-glow);
  margin-bottom: 2rem;
  font-weight: 300;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
}

.features {
  padding: 5rem 5%;
  background: linear-gradient(to bottom, transparent, rgba(26, 26, 46, 0.5));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-title {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 1rem;
}

.preview-section {
  padding: 5rem 5%;
  text-align: center;
}

.preview-container {
  width: 100%;
  height: 500px;
  background: var(--bg-color);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  margin-top: 2rem;
  overflow: hidden;
  position: relative;
}

#preview-graph {
  width: 100%;
  height: 100%;
}

.how-it-works {
  padding: 5rem 5%;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: rgba(26, 26, 46, 0.3);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary-glow);
}

.step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-glow);
  line-height: 1;
}

footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

footer a {
  color: var(--primary-glow);
  text-decoration: none;
}