/* Mobile and tablet layout for ACA */
html, body { overflow-x: hidden; }
img { max-width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: 0.5px solid rgba(240, 237, 229, 0.4);
  width: 2.6rem;
  height: 2.6rem;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--cream);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-contact { display: none; }
nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem !important; gap: 1rem; }
  .nav-toggle { display: flex; margin-left: auto; }
  .nav-cta { display: none; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(26, 36, 24, 0.98);
    padding: 0.5rem 1.5rem 1.5rem;
    border-top: 0.5px solid rgba(240, 237, 229, 0.15);
  }
  nav.nav-open .nav-links { display: flex; }
  .nav-links li a {
    display: block;
    padding: 1rem 0;
    font-size: 0.75rem;
    border-bottom: 0.5px solid rgba(240, 237, 229, 0.1);
  }
  .nav-contact { display: block; }

  .hero { min-height: auto; }
  .hero-left { padding: 6.5rem 1.5rem 2.5rem !important; }
  .hero-desc { max-width: none; }
  .hero-stat-bar {
    position: static !important;
    margin-top: 2.5rem;
    gap: 1.75rem !important;
    flex-wrap: wrap;
  }
  .hero-right { min-height: 72vw; }
  .hero-image-caption { left: 1.25rem; right: 1.25rem; bottom: 1.25rem; }

  .section, .about-section, .contact-section { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
  .section { padding-top: 4rem; padding-bottom: 4rem; }
  .about-section, .contact-section { padding-top: 4rem !important; padding-bottom: 4rem !important; gap: 3rem !important; }
  .clients-section { padding: 4rem 1.5rem; }
  .section-header { flex-direction: column; align-items: flex-start !important; gap: 1.25rem; margin-bottom: 3rem; }
  .section-header > p { text-align: left !important; max-width: none !important; }

  .about-image-frame { max-width: 100%; }
  .about-image-accent, .about-image-accent2 { display: none; }

  .exhibition-card > div[style*="grid-template-columns"],
  .exhibition-card-inner { grid-template-columns: 1fr !important; min-height: 0 !important; }
  .exhibition-divider { width: 100% !important; height: 0.5px !important; }
  .exhibition-meta { padding: 1.75rem 1.5rem; }
  .exhibition-body { padding: 2rem 1.5rem !important; }

  .artist-card { border-right: none !important; }
  .artist-card[style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
  .artist-card > div[style*="padding"] { padding: 2rem 1.5rem !important; gap: 1.25rem !important; }
  .artist-card:not([style]) { padding: 2rem 1.5rem; gap: 1.25rem; }
  .artist-card:nth-child(5) { border-bottom: 0.5px solid var(--border); }
  .artist-name { font-size: 1.6rem; }

  .contact-detail-value { word-break: break-word; }
  .form-submit { flex-direction: column; align-items: stretch; gap: 1.25rem; }
  .btn-submit { width: 100%; }

  footer { padding: 3rem 1.5rem 2rem; }
  .footer-nav { flex-wrap: wrap; gap: 1.25rem 2rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}

@media (max-width: 480px) {
  .nav-logo-ace, .nav-logo-italic { font-size: 1.05rem; }
  .hero-stat strong { font-size: 1.8rem; }
  .service-card { padding: 2rem 1.5rem; }
  .client-item { padding: 1.25rem 0.75rem; }
  .client-item span { font-size: 0.8rem; }
}
/* Artists on phones: name, bio, then image */
@media (max-width: 900px) {
  .artist-card > div[style*="padding"] { order: 1; }
  .artist-card > div[style*="overflow: hidden"]:not([style*="padding"]) { order: 2; aspect-ratio: 4 / 5; width: 100%; }
  .artist-card > div[style*="overflow: hidden"]:not([style*="padding"]) img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
}