/* ============================================================
   Responsive — all breakpoints, collected in one place.
   ============================================================ */

@media (max-width: 980px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-portrait { justify-self: start; margin-top: 40px; }
  .dial-grid { grid-template-columns: repeat(2, 1fr); }
  .research-card { grid-template-columns: 1fr; }
  .pub-item { grid-template-columns: 1fr; gap: 6px; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .hamburger {
    display: grid; place-items: center;
    width: 38px; height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border);
    cursor: pointer;
    background: transparent;
    color: var(--text);
  }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--bg);
    padding: 24px 28px 30px;
    border-bottom: 1px solid var(--border-soft);
    gap: 18px;
  }
  .dial-grid { grid-template-columns: 1fr; }
  .dial-control-row { flex-wrap: wrap; }
  section { padding: 76px 0; }
  .research-card { padding: 24px; }
}