.happy-collectors-page {
    padding-top: 5rem;
    background: var(--cantera);
  }

  .happy-collectors-header {
    padding: 6rem var(--px) 2.5rem;
    max-width: var(--max-w);
    margin: 0 auto;
  }

  .happy-collectors-header__label {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--warm-400);
    margin-bottom: 1rem;
  }

  .happy-collectors-header__title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: var(--warm-900);
    margin: 0 0 1.25rem;
  }

  .happy-collectors-header__desc {
    font-family: var(--font-sans);
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.65;
    color: var(--warm-600);
    max-width: 42rem;
    margin: 0;
  }

  /* ---- Masonry (CSS Grid + JS para el row-span) ---- */
  .happy-collectors-gallery {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--px) 6rem;
  }

  .hc-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    grid-auto-rows: 8px; /* unidad base; el span real lo calcula el JS */
    column-gap: 1.5rem;
    row-gap: 0; /* el alto se controla con grid-row-end */
  }

  .hc-card {
    display: block;
    width: 100%;
    margin: 0 0 1.5rem; /* separación vertical entre tarjetas */
    padding: 0;
    border: 0;
    background: var(--warm-100, #f3efe9);
    cursor: pointer;
    overflow: hidden;
    border-radius: 2px;
    appearance: none;
    -webkit-appearance: none;
  }

  .hc-card__img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.5s ease, opacity 0.3s ease;
  }

  .hc-card:hover .hc-card__img,
  .hc-card:focus-visible .hc-card__img {
    transform: scale(1.04);
  }

  .hc-card:focus-visible {
    outline: 2px solid var(--warm-900);
    outline-offset: 2px;
  }

  /* ---- Lightbox ---- */
  .hc-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000000; /* por encima de la navbar (portado a <body> por JS) */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 4vw, 3rem);
    background: rgba(20, 16, 12, 0.88);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .hc-lightbox.is-open {
    opacity: 1;
    visibility: visible;
  }

  .hc-lightbox__figure {
    position: relative;
    margin: 0;
    max-width: min(1100px, 100%);
    max-height: 100%;
    display: flex;
    transform: scale(0.97);
    transition: transform 0.25s ease;
  }

  .hc-lightbox.is-open .hc-lightbox__figure {
    transform: scale(1);
  }

  .hc-lightbox__img {
    display: block;
    /* Respeta un margen en los 4 lados restando el espacio del contenedor. */
    max-width: calc(100vw - 8rem);
    max-height: calc(100vh - 8rem);
    width: auto;
    height: auto;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  }

  .hc-lightbox__tag {
    position: absolute;
    left: 0;
    bottom: 0;
    margin: 1rem;
    padding: 0.55rem 1.1rem;
    background: #f97316;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: 2px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  }

  .hc-lightbox__close {
    position: absolute;
    top: clamp(0.75rem, 3vw, 1.75rem);
    right: clamp(0.75rem, 3vw, 1.75rem);
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease;
  }

  .hc-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.25);
  }

  .hc-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    transition: background 0.2s ease;
  }

  .hc-lightbox__nav:hover {
    background: rgba(255, 255, 255, 0.25);
  }

  .hc-lightbox__nav--prev {
    left: clamp(0.5rem, 3vw, 2rem);
  }

  .hc-lightbox__nav--next {
    right: clamp(0.5rem, 3vw, 2rem);
  }

  @media (max-width: 1119px) {
    .happy-collectors-page {
      padding-top: var(--mad-topbar-h, 5rem);
    }

    .happy-collectors-header {
      padding-top: 0;
    }
  }

  @media (max-width: 600px) {
    .hc-masonry {
      grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
      column-gap: 1rem;
    }

    .hc-card {
      margin-bottom: 1rem;
    }
  }
