/* Marcas (vista previa). Usa los tokens de /css/dx.css. */
.dx-mar { padding-top: clamp(36px, 5vw, 64px); }
.dx-mar__layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(24px, 3vw, 48px); align-items: start; }

/* Categorías: columna fija en escritorio */
.dx-mar__side { position: sticky; top: calc(var(--dx-header-h) + 20px); max-height: calc(100vh - var(--dx-header-h) - 40px); display: flex; flex-direction: column; min-height: 0; }
.dx-mar__side-title { margin: 0 0 12px; color: var(--dx-muted); font: 700 13px/1.4 var(--dx-font); letter-spacing: .1em; text-transform: uppercase; }
.dx-mar__filters { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; overscroll-behavior: contain; padding-right: 6px; scrollbar-width: thin; }
.dx-mar__chip {
    display: block; width: 100%; padding: 9px 12px; border: 0; border-radius: 8px;
    background: transparent; color: var(--dx-ink); text-align: left; cursor: pointer;
    font: 500 15px/1.35 var(--dx-font);
    transition: background-color var(--dx-ease), color var(--dx-ease);
}
.dx-mar__chip:hover { background: var(--dx-soft); }
.dx-mar__chip[aria-pressed="true"] { background: var(--dx-yellow); color: var(--dx-ink); font-weight: 700; }
.dx-mar__chip:focus-visible { outline: 2px solid var(--dx-charcoal); outline-offset: 2px; }

/* Rejilla de logos */
.dx-mar__count { margin: 0 0 16px; color: var(--dx-muted); font-size: 14px; font-weight: 600; }
.dx-mar__count span { color: var(--dx-ink); font-variant-numeric: tabular-nums; }
.dx-mar__grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); margin: 0; padding: 0; list-style: none; }
.dx-mar__item[hidden] { display: none; }
.dx-mar__brand {
    display: flex; align-items: center; justify-content: center; width: 100%; aspect-ratio: 4 / 3; padding: 14px;
    border: 1px solid var(--dx-line); border-radius: var(--dx-radius); background: var(--dx-white); cursor: pointer;
    transition: border-color var(--dx-ease), box-shadow var(--dx-ease), transform var(--dx-ease);
}
.dx-mar__brand img { display: block; width: 100%; height: 100%; object-fit: contain; }
.dx-mar__brand:hover { border-color: #D5DADE; box-shadow: 0 12px 26px -18px rgba(30, 37, 43, .4); transform: translateY(-2px); }
.dx-mar__brand:focus-visible { outline: 2px solid var(--dx-yellow); outline-offset: 3px; }

/* Ficha */
.dx-mar__dialog {
    width: min(720px, calc(100vw - 32px)); max-height: calc(100dvh - 48px); padding: 0; border: 0; border-radius: 14px;
    background: var(--dx-white); color: var(--dx-ink); box-shadow: 0 30px 80px -30px rgba(22, 28, 33, .55);
    font-family: var(--dx-font);
}
.dx-mar__dialog::backdrop { background: rgba(22, 28, 33, .55); }
.dx-mar__dialog[open] { animation: dx-mar-in 220ms cubic-bezier(.2, .7, .2, 1); }
@keyframes dx-mar-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.dx-mar__dialog-in { position: relative; display: grid; gap: 22px; padding: clamp(22px, 4vw, 36px); }
.dx-mar__dialog-title { margin: 0; padding-right: 44px; font: 800 clamp(22px, 2.4vw, 28px)/1.2 var(--dx-font); letter-spacing: -.015em; }
.dx-mar__close {
    position: absolute; top: 14px; right: 14px; display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px;
    border: 1px solid var(--dx-line); border-radius: 50%; background: var(--dx-white); color: var(--dx-ink); cursor: pointer;
    transition: background-color var(--dx-ease);
}
.dx-mar__close:hover { background: var(--dx-soft); }
.dx-mar__close:focus-visible { outline: 2px solid var(--dx-yellow); outline-offset: 2px; }
.dx-mar__label { margin: 0 0 10px; color: var(--dx-muted); font: 700 12px/1.4 var(--dx-font); letter-spacing: .1em; text-transform: uppercase; }
.dx-mar__prov[hidden], .dx-mar__others[hidden] { display: none; }
.dx-mar__prov-img { display: block; width: 180px; height: auto; aspect-ratio: 4 / 3; object-fit: contain; padding: 12px; border: 1px solid var(--dx-line); border-radius: var(--dx-radius); }
.dx-mar__prov-brands { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); margin: 0; padding: 0; list-style: none; }
.dx-mar__prov-brands li { aspect-ratio: 4 / 3; padding: 10px; border: 1px solid var(--dx-line); border-radius: 8px; background: var(--dx-white); }
.dx-mar__prov-brands li.is-current { border-color: var(--dx-yellow); box-shadow: inset 0 0 0 1px var(--dx-yellow); }
.dx-mar__prov-brands img { display: block; width: 100%; height: 100%; object-fit: contain; }

/* Tablet y móvil: categorías como fila desplazable */
@media (max-width: 1023px) {
    .dx-mar__layout { grid-template-columns: minmax(0, 1fr); }
    .dx-mar__side { position: static; max-height: none; }
    .dx-mar__side-title { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
    .dx-mar__filters {
        flex-direction: row; gap: 8px; overflow-x: auto; overflow-y: hidden; padding: 2px 2px 10px; margin-inline: -2px;
        scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch;
    }
    .dx-mar__chip { flex: none; width: auto; padding: 8px 14px; border: 1px solid var(--dx-line); border-radius: 99px; background: var(--dx-white); white-space: nowrap; scroll-snap-align: start; font-size: 14px; }
    .dx-mar__chip[aria-pressed="true"] { border-color: var(--dx-yellow); }
}
@media (max-width: 559px) {
    .dx-mar__grid { gap: 8px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dx-mar__brand { padding: 10px; }
    .dx-mar__prov-brands { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
    .dx-mar__dialog[open] { animation: none; }
    .dx-mar__brand, .dx-mar__chip { transition: none; }
    .dx-mar__brand:hover { transform: none; }
}