body {
  font-family: 'Iceberg', sans-serif;
  background-color: #0c0f1c;
  color: #fff;
  scroll-behavior: smooth;
}

.hero {
  position: relative;
  height: 300px;
  background: #111;
  overflow: hidden;
}

#bg-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero h1, .hero p {
  z-index: 2;
  position: relative;
}

.tool-card {
  background: #1a1d2e;
  color: #fff;
  border: none;
  transition: transform 0.3s ease;
}

.tool-card:hover {
  transform: translateY(-5px);
  background-color: #2c314d;
}

/* Molecule viewer section */
#viewer {
  background-color: #111;
  padding: 4rem 1rem;
}


#mol-container {
  height: 80vh;
  max-width: 1200px;
  margin: 0 auto;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}


/* Section spacing */
section {
  margin-bottom: 60px;
}