.about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  align-items: end;
  min-height: calc(100vh - 5rem);
  padding: clamp(5rem, 10vw, 9rem) 0;
}

.about-intro h1 {
  max-width: 12ch;
  margin: 1.2rem 0 0;
  font-size: clamp(3.4rem, 7.4vw, 7rem);
  font-weight: 640;
  letter-spacing: -0.062em;
  line-height: 0.96;
}

.portrait-frame {
  position: relative;
  min-height: 34rem;
  margin: 0;
  display: flex;
  align-items: end;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2rem;
  background:
    radial-gradient(circle at 50% 42%, rgba(97, 219, 200, 0.22), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
}

.portrait-frame img {
  position: relative;
  z-index: 1;
  display: block;
  width: min(115%, 34rem);
  height: auto;
  object-fit: contain;
  object-position: center bottom;
}

.portrait-glow {
  position: absolute;
  inset: 14% 8% 0;
  border-radius: 50%;
  background: rgba(97, 219, 200, 0.11);
  filter: blur(42px);
}

.section-copy blockquote {
  max-width: 42rem;
  margin: 0;
  padding-left: 1.4rem;
  border-left: 2px solid var(--accent);
  color: var(--text);
  font-size: clamp(1.45rem, 3vw, 2.45rem);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.4rem;
}

.about-cards article {
  min-height: 18rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: var(--surface-soft);
}

.about-cards h3 {
  margin: 3rem 0 0.8rem;
  font-size: 1.35rem;
}

.about-cards p:last-child {
  margin: 0;
  color: var(--muted);
}

.orcid-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.56rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

@media (max-width: 58rem) {
  .about-hero {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .portrait-frame {
    min-height: 30rem;
    max-width: 34rem;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }

  .about-cards article {
    min-height: auto;
  }
}

@media (max-width: 40rem) {
  .about-intro h1 {
    font-size: clamp(3rem, 15vw, 4.8rem);
  }

  .portrait-frame {
    min-height: 25rem;
  }
}