/* ========== TYPOGRAPHY ========== */
body {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

p {
  color: var(--text-secondary);
  max-width: 65ch;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent-cyan);
  opacity: 0.7;
}

.section-number::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--accent-cyan);
  margin-left: 12px;
  vertical-align: middle;
  opacity: 0.4;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 48px;
  max-width: 500px;
}

.subsection-title {
  font-size: 1.3rem;
  margin-top: 64px;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.accent {
  background: var(--accent-gradient);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}