/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: start;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}

.title-line {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink-mid);
  margin-bottom: 0.3rem;
}

.affiliation {
  font-size: 0.88rem;
  color: var(--ink-light);
  margin-bottom: 1.5rem;
  min-height: 1.2em;
}

.bio {
  font-size: 1rem;
  color: var(--ink-mid);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-links { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Portrait */
.portrait-wrap {
  width: 190px;
  height: 270px;
  overflow: hidden;
  border-radius: 2px;
  background: var(--off-white);
  position: relative;
}

.portrait-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.portrait-placeholder {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  background: var(--off-white);
  border: 1px solid var(--rule);
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--ink-light);
}

/* ── Home body ────────────────────────────────────────────── */
.home-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem 5rem;
}

.home-section { margin-bottom: 0; }

/* Research areas */
.research-areas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.area {
  border-top: 2px solid var(--accent);
  padding-top: 0.9rem;
}

.area h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.area p { font-size: 0.88rem; color: var(--ink-mid); }

.text-link {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.text-link:hover { border-color: var(--accent); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 680px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    padding: 2rem 1.25rem 3rem;
  }

  /* Portrait above the text, centred and larger, same proportions as desktop */
  .hero-portrait { order: -1; justify-self: center; }
  .portrait-wrap {
    width: min(62vw, 240px);
    height: auto;
    aspect-ratio: 19 / 27;
  }

  .hero-text { text-align: center; }
  .hero h1 { font-size: 2.1rem; }
  .title-line { font-size: 1.15rem; }
  .affiliation { font-size: 0.9rem; margin-bottom: 1.8rem; }
  .bio {
    text-align: left;
    max-width: none;
    font-size: 1rem;
    margin-bottom: 1.4rem;
  }
  .hero-links { flex-direction: column; gap: 0.75rem; margin-top: 2rem; }

  .research-areas { grid-template-columns: 1fr; gap: 1.4rem; }
  .area h3 { font-size: 1.15rem; }
  .area p { font-size: 0.95rem; }
  .home-content { padding: 0 1.25rem 4rem; }
}