/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: 5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: -1;
}

.hero-bg canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.15;
}

.hero-overline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.3s forwards;
}

.hero h1 {
  margin-bottom: 1.8rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.5s forwards;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent-light);
}

.hero-sub {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 58ch;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.7s forwards;
}

.hero-equation {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--accent);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem 2rem;
  display: inline-block;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.9s forwards;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 1.1s forwards;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  opacity: 0;
  animation: fadeIn 1s ease 1.5s forwards;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 30px;
  background: var(--text-dim);
  margin: 0.6rem auto 0;
  animation: scrollPulse 2s ease-in-out infinite;
}