body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

/* Typography */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title {
  font-size: var(--text-section-title);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  max-width: 600px;
}

.label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-cyan);
}

.mono {
  font-family: var(--font-mono);
}

/* Links */
a.link {
  color: var(--color-cyan);
  transition: opacity var(--duration-fast) var(--ease-in-out);
}

a.link:hover {
  opacity: 0.8;
}

/* Full-page section */
.fp-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.fp-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out-expo);
}

.fp-section.is-active::before {
  opacity: 1;
}

/* Section backgrounds */
.fp-section--dark {
  background: var(--color-bg-primary);
}

.fp-section--darker {
  background: var(--color-bg-secondary);
}

.fp-section--gradient {
  background: var(--gradient-hero);
}

/* Glow line separator */
.glow-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-cyan-dim), transparent);
}