/**
 * About intro section: two boxes side by side (left and right).
 */
.about-intro {
  padding: var(--space-3xl) var(--container-padding);
  background: var(--color-bg);
}

.about-intro__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-intro__box {
  padding: var(--space-2xl);
  background: var(--color-bg-header);
  border-radius: 1.25rem;
  box-shadow: 0 0 2rem 0.75rem rgba(0, 0, 0, 0.06);
  border: var(--border-width) solid var(--color-border);
}

.about-intro__box--right {
  padding: var(--space-xl);
  background: linear-gradient(135deg, #dbeafe 0%, #ffedd5 100%);
  border: none;
  border-radius: 1.25rem;
  box-shadow: 0 0 2rem 0.75rem rgba(0, 0, 0, 0.06);
}

.about-intro__box--right .about-intro__text {
  color: #475569;
}

.about-intro__box-inner {
  padding: var(--space-2xl);
  background: var(--color-bg-header);
  border-radius: 1rem;
  height: 100%;
  box-sizing: border-box;
}

.about-intro__box--left {
  animation: about-intro-shadow 3s ease-in-out infinite;
}

@keyframes about-intro-shadow {
  0%, 100% {
    box-shadow:
      0 0 2rem 0.25rem rgba(0, 0, 0, 0.06),
      -1.5rem 0 1.25rem 0.2rem rgba(59, 130, 246, 0.2),
      1.5rem 0 1.25rem 0.2rem rgba(242, 147, 24, 0.2);
  }
  50% {
    box-shadow:
      0 0 2rem 0.25rem rgba(0, 0, 0, 0.06),
      -1.5rem 0 1.5rem 0.35rem rgba(59, 130, 246, 0.35),
      1.5rem 0 1.5rem 0.35rem rgba(242, 147, 24, 0.35);
  }
}

.about-intro__title {
  margin: 0 0 var(--space-md);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: #050b1a;
}

.about-intro__box--left .about-intro__title {
  display: inline-block;
  background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.about-intro__text {
  margin: 0;
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
}

@media (max-width: 64rem) {
  .about-intro__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: stretch;
  }
}

@media (max-width: 48rem) {
  .about-intro {
    padding: var(--space-2xl) var(--container-padding);
  }

  .about-intro__box {
    padding: var(--space-xl);
  }

  .about-intro__title {
    font-size: var(--font-size-2xl);
  }
}