.walkthrough-hero {
  position: relative;
  min-height: 60vh;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  align-items: stretch;
}

.walkthrough-hero__media {
  position: relative;
  height: 100%;
  overflow: hidden;
}

.walkthrough-hero__image-frame {
  height: 100%;
}

.walkthrough-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.walkthrough-hero__content {
  max-width: 620px;
}

.walkthrough-hero__kicker {
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.walkthrough-hero__lead {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-soft);
  margin-bottom: var(--space-4);
}

.walkthrough-hero__meta {
  margin-top: var(--space-2);
}

.walkthrough-hero__actions {
  margin-top: var(--space-4);
}



.walkthrough-toc__inner {
  backdrop-filter: blur(18px);
}

.walkthrough-toc__title {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.walkthrough-toc__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.walkthrough-section {
  scroll-margin-top: 6rem;
}

.walkthrough-section__grid {
  align-items: flex-start;
}

.walkthrough-section__header h2 {
  margin-bottom: var(--space-2);
}

.walkthrough-cta__inner {
  align-items: flex-start;
}

@media (max-width: 1024px) {
  .walkthrough-hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
  }

  .walkthrough-hero__media {
    max-height: 260px;
  }

  .walkthrough-hero__inner {
    padding-block: var(--space-10);
  }

  .walkthrough-toc {
    margin-top: -2rem;
  }
}

@media (max-width: 768px) {
  .walkthrough-hero__lead {
    font-size: var(--font-size-base);
  }

  .walkthrough-toc__grid {
    gap: var(--space-4);
  }

  .walkthrough-cta__inner {
    text-align: left;
  }
}