.intro {
  --portrait-size: clamp(220px, 26vw, 320px);

  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.intro-portrait {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  flex: none;
  width: var(--portrait-size);
  height: var(--portrait-size);
  border-radius: 10px;
  overflow: hidden;
}

.portrait-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-bio {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.bio-scroll {
  max-height: var(--portrait-size);
  overflow-y: auto;
  padding-right: 0.75rem;
}

@media (min-width: 769px) {
  .intro-bio {
    height: var(--portrait-size);
  }

  .bio-scroll {
    flex: 1;
    min-height: 0;
    max-height: none;
  }
}

.bio-scroll p {
  margin: 0 0 1rem;
  text-align: justify;
  hyphens: auto;
  color: var(--color-text);
}

.bio-scroll p:last-child {
  margin-bottom: 0;
}

.bio-scroll strong {
  color: var(--color-accent-dark);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  flex: none;
}

.tag {
  background: #eef3fc;
  color: var(--color-accent-dark);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .intro {
    flex-direction: column;
  }

  .intro-portrait {
    position: static;
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
  }
}