@media(max-width:1100px) {
  .header-inner {
    min-height: 78px
  }

  .brand {
    margin-right: auto
  }

  .menu-toggle {
    display: block;
    order: 2
  }

  .cart-trigger {
    order: 1
  }

  .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px;
    box-shadow: 0 16px 24px #39214f12
  }

  .main-nav.is-open {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 20px
  }

  .main-nav a {
    font-size: 15px;
    min-height: 44px
  }
}

@media(max-width:760px) {
  .mural-grid {
    grid-template-columns: 1fr
  }

  .mural-copy h3 {
    font-size: 27px
  }

  .founder-credit {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px
  }

  .founder-layout {
    grid-template-columns: 1fr
  }

  .founder-layout>img {
    max-height: 280px;
    width: auto;
    max-width: 100%;
    margin: auto
  }

  .founder-dialog h2 {
    font-size: 30px
  }
}

/* Bordas e fundos editoriais: ciclo discreto, com tamanho igual em todos os cards. */