/* ════════════════════════════════════
   RESPONSIVE
════════════════════════════════════ */
@media (max-width: 1024px) {
  .bio-inner { grid-template-columns: 1fr; }
  .bio-left { padding: 4rem 2rem 5rem; min-height: 500px; }
  .bio-right { padding: 4rem 2.5rem; }
  .bio-right::before { display: none; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 1.5rem 2rem;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    gap: 1.2rem;
    border-bottom: 0.5px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .three-col { grid-template-columns: 1fr; }
  .feature-block { border-right: none; border-bottom: 0.5px solid var(--border-soft); }
  .feature-block:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .section { padding: 4rem 1.25rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}