/* ---- Base ---- */
.mutech-descargables,
.mutech-tallas,
.mutech-caracteristicas,
.mutech-colores,
.mutech-galeria {
    font-family: 'Ubuntu', sans-serif;
    box-sizing: border-box;
}
.mutech-descargables *,
.mutech-tallas *,
.mutech-caracteristicas *,
.mutech-colores *,
.mutech-galeria * {
    box-sizing: border-box;
}

/* ---- Descargables - accordion ---- */
.mutech-descargables {
    margin: 20px 0;
    border-bottom: 1px dashed #0B0B0B;
}
.mutech-desc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: transparent;
    border: none;
    padding: 12px 0;
    cursor: pointer;
    text-align: left;
}
.mutech-desc-titulo {
    font-family: 'Ubuntu', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #111;
}
.mutech-desc-arrow {
    flex-shrink: 0;
    color: #111;
    transition: transform .25s ease;
}
.mutech-descargables.is-open .mutech-desc-arrow {
    transform: rotate(90deg);
}
.mutech-desc-body {
    padding-bottom: 14px;
}
.mutech-desc-list {
    list-style: none;
    margin: 4px 0 0;
    padding: 0;
}
.mutech-desc-list li {
    margin-bottom: 10px;
}
.mutech-desc-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Lato', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.mutech-desc-link:hover {
    opacity: .7;
}
.mutech-desc-link svg {
    flex-shrink: 0;
}

/* ---- Tallas disponibles - dropdown seletor ---- */
.mutech-tallas-row {
    align-items: start;
}
.mutech-tallas-selector {
    position: relative;
}
.mutech-tallas-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.mutech-tallas-label {
    font-family: 'Ubuntu', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #111;
    white-space: nowrap;
}
.mutech-tallas-selected-name {
    font-family: 'Ubuntu', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #111;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}
.mutech-tallas-chevron {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: #111;
    display: flex;
    align-items: center;
}
.mutech-tallas-chevron svg {
    transition: transform .25s ease;
}
.mutech-tallas-chevron.is-open svg {
    transform: rotate(180deg);
}
.mutech-tallas-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .1);
    list-style: none;
    margin: 0;
    padding: 4px 0;
    min-width: 200px;
    z-index: 100;
}
.mutech-tallas-option {
    padding: 10px 16px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 15px;
    color: #222;
    cursor: pointer;
    transition: background .15s;
}
.mutech-tallas-option:hover {
    background: #f5f5f5;
}
.mutech-tallas-option.is-current {
    font-weight: 700;
    background: #f0f0f0;
}
.mutech-tallas-panel {
    font-family: 'Ubuntu', sans-serif;
    font-size: 15px;
    color: #222;
    line-height: 1.7;
    white-space: pre-line;
}

/* ---- Caracteristicas principales ---- */
.mutech-caracteristicas {
    margin: 32px 0;
}
.mutech-caract-titulo {
    font-family: 'Ubuntu', sans-serif;
    font-size: 38px;
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 28px;
    padding: 0;
}

/* Acordeon: seccion */
.mutech-seccion {
    border-bottom: 1px dashed #0B0B0B;
}
.mutech-seccion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 18px 0;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
}
.mutech-seccion-header > span {
    font-family: 'Ubuntu', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #111;
}
.mutech-arrow {
    transition: transform .25s ease;
    flex-shrink: 0;
    color: #111;
}
.mutech-seccion.is-open .mutech-arrow {
    transform: rotate(180deg);
}
.mutech-seccion-body {
    padding-bottom: 24px;
}

/* Item dentro de una seccion */
.mutech-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 14px 0;
}
.mutech-item--no-label .mutech-item-value {
    grid-column: 1 / -1;
}

/* Seccion con items en 2 columnas */
.mutech-seccion--2col .mutech-seccion-body:not([hidden]) {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 32px;
}
.mutech-seccion--2col .mutech-item {
    grid-template-columns: 1fr;
}
.mutech-item-label {
    font-family: 'Ubuntu', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #111;
    line-height: 1.4;
}
.mutech-item-value {
    font-family: 'Ubuntu', sans-serif;
    font-size: 15px;
    color: #222;
    line-height: 1.7;
    white-space: pre-line;
}

/* Grupos "por talla" dentro de una sección */
.mutech-talla-group[hidden] {
    display: none;
}

/* Rendimiento acústico */
.mutech-acoustic {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 32px;
    align-items: start;
    padding: 14px 0;
}
.mutech-acoustic-subtitle {
    margin: 0;
    font-family: 'Ubuntu', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #111;
    line-height: 1.4;
}
.mutech-acoustic-chart {
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: 450px !important;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

/* Carrossel acústico (2-3 imagens) – imagem inteira, sem recorte */
.mutech-acoustic-carousel {
    position: relative;
    height: 450px;
    max-height: 450px;
    overflow: hidden;
    cursor: pointer;
    border-radius: 2px;
}
.mutech-acoustic-carousel-track {
    display: flex;
    align-items: center;
    height: 450px;
    transition: transform .4s ease;
}
.mutech-acoustic-carousel-slide {
    flex: 0 0 100%;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.mutech-acoustic-carousel-slide img {
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: 450px !important;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}
.mutech-acoustic-carousel-prev,
.mutech-acoustic-carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, .8);
    border: none;
    padding: 0;
    cursor: pointer;
    z-index: 10;
    font-size: 28px;
    line-height: 1;
    width: 32px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: .7;
    transition: opacity .15s;
}
.mutech-acoustic-carousel-prev:hover,
.mutech-acoustic-carousel-next:hover { opacity: 1; }
.mutech-acoustic-carousel-prev { left: 4px; }
.mutech-acoustic-carousel-next { right: 4px; }
.mutech-acoustic-carousel-dots {
    position: absolute;
    bottom: 8px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 6px;
    pointer-events: none;
}
.mutech-acoustic-carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .3);
    cursor: pointer;
    pointer-events: all;
    transition: background .2s;
}
.mutech-acoustic-carousel-dot.active {
    background: #0B0B0B;
}

/* Lightbox */
.mutech-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .88);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.mutech-lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    display: block;
}
.mutech-lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    opacity: .8;
    transition: opacity .15s;
}
.mutech-lightbox-close:hover { opacity: 1; }
.mutech-acoustic-desc {
    margin-top: 20px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: #222;
    white-space: pre-line;
}
.mutech-acoustic-desc p {
    margin: 0;
}
.mutech-acoustic-desc p + p {
    margin-top: 12px;
}

/* Tabla zebra */
.mutech-zebra-tabla {
    width: 100%;
    border-collapse: collapse;
}
.mutech-zebra-tabla tbody tr:nth-child(odd)  td { background: #ffffff; }
.mutech-zebra-tabla tbody tr:nth-child(even) td { background: #f8f8f8; }
.mutech-zebra-tabla td {
    padding: 11px 14px;
    font-family: 'Ubuntu', sans-serif;
    font-size: 15px;
    color: #333;
}
.mutech-zt-key {
    font-weight: 700;
    width: 42%;
}
.mutech-zt-val {
    color: #444;
}

/* ---- Opciones de color ---- */
.mutech-colores {
    margin: 48px 0;
}
.mutech-swatches-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-start;
}
.mutech-swatch {
    position: relative;
    width: 58px;
    height: 58px;
    border-radius: 2px;
    cursor: pointer;
    flex-shrink: 0;
    transition: outline .1s;
}
.mutech-swatch:hover,
.mutech-swatch:focus {
    outline: 2px solid #333;
    outline-offset: 2px;
}
.mutech-swatch-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
    color: #0B0B0B;
    font-family: 'Ubuntu', sans-serif;
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    padding: 6px 10px;
    border-radius: 6px;
    box-shadow: 0 0 7px 0 rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s;
    z-index: 20;
}
.mutech-swatch:hover .mutech-swatch-tooltip {
    opacity: 1;
}
.mutech-swatch--texture {
    background-size: cover;
    background-position: center;
}
.mutech-swatch-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #ffffff;
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.12));
}

/* ---- Guia de Especificaciones ---- */
.mutech-guia-especificaciones {
    margin: 48px 0;
}
.mutech-guia-section-title {
    font-family: 'Lato', sans-serif;
    font-size: 38px;
    font-weight: 700;
    line-height: 1.15;
    color: #0b0b0b;
    margin: 0 0 40px;
    padding: 0;
}
.mutech-guia-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 52px 72px;
}
.mutech-guia-item-front {
    display: flex;
    align-items: flex-start;
    gap: 48px;
    min-width: 0;
}
.mutech-guia-num {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #0b0b0b;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-family: 'Lato', sans-serif;
    font-size: 24px;
    font-weight: 600;
    line-height: 1;
}
.mutech-guia-content {
    min-width: 0;
}
.mutech-guia-title {
    margin: 0 0 12px;
    font-family: 'Lato', sans-serif;
    font-size: 24px;
    font-weight: 600;
    line-height: 1.2;
    color: #0b0b0b;
}
.mutech-guia-text {
    margin: 0;
    font-family: 'Lato', sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.75;
    color: #0b0b0b;
}
.mutech-guia-text p {
    margin: 0;
}
.mutech-guia-text p + p {
    margin-top: 12px;
}

.mutech-galeria {
    margin: 48px 0;
}

/* Grid 3×1 */
.mutech-galeria-grid {
    display: grid;
    gap: 8px;
}
.mutech-galeria-grid--3x1 {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: 1fr;
}
.mutech-galeria-grid--4x2 {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
}
.mutech-galeria-grid-item {
    overflow: hidden;
    aspect-ratio: 4 / 3;
}
.mutech-galeria-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .3s ease;
}
.mutech-galeria-grid-item:hover img {
    transform: scale(1.04);
}

.mutech-galeria-slider-wrap {
    position: relative;
    overflow: hidden;
}
.mutech-galeria-track {
    display: flex;
    transition: transform .4s ease;
    will-change: transform;
    cursor: grab;
}
.mutech-galeria-track:active {
    cursor: grabbing;
}
/* Slide width 78% -> peek 11% de cada lado */
.mutech-galeria-slide {
    flex: 0 0 78%;
    min-width: 0;
    padding: 0 8px;
    opacity: 0.35;
    transition: opacity .4s ease;
    height: 530px;
    overflow: hidden;
    display: flex;
    align-items: stretch;
}
.mutech-galeria-slide.is-active {
    opacity: 1;
}
.mutech-galeria-img {
    width: 100%;
    height: 530px;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
}

/* Arrows - dentro do wrapper, sobre a area de peek */
.mutech-galeria-prev,
.mutech-galeria-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    z-index: 10;
    color: #111;
    font-size: 40px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    opacity: .7;
    transition: opacity .15s;
    user-select: none;
}
.mutech-galeria-prev:hover,
.mutech-galeria-next:hover {
    opacity: 1;
}
.mutech-galeria-prev { left: 12px; }
.mutech-galeria-next { right: 12px; }

/* Dots - estilo swiper: pills retangulares */
.mutech-galeria-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
}
.mutech-galeria-dot {
    width: 32px;
    height: 4px;
    border-radius: 2px;
    background: #ccc;
    cursor: pointer;
    transition: background .25s, width .25s;
    border: none;
    padding: 0;
    display: block;
}
.mutech-galeria-dot.active {
    background: #333;
    width: 44px;
}

/* ---- Galeria producto ---- */
.mutech-gal-prod {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* Coluna de thumbnails */
.mutech-gal-prod-thumbs {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    width: 80px;
    order: -1;
}
.mutech-gal-prod-thumbs-wrap {
    width: 80px;
    /* 5 thumbs x 80px + 4 gaps x 8px = 432px */
    height: 432px;
    overflow: hidden;
}
.mutech-gal-prod-thumbs-track {
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform .3s ease;
}
.mutech-gal-prod-thumb {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border: 2px solid transparent;
    cursor: pointer;
    overflow: hidden;
    box-sizing: border-box;
    transition: border-color .15s;
}
.mutech-gal-prod-thumb.active {
    border-color: #0B0B0B;
}
.mutech-gal-prod-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Chevron */
.mutech-gal-prod-chevron {
    background: transparent;
    border: none;
    padding: 4px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.mutech-gal-prod-chevron:hover {
    opacity: .6;
}

/* Imagen principal */
.mutech-gal-prod-main {
    flex: 1;
    min-width: 0;
}
.mutech-gal-prod-main-img {
    width: 100%;
    display: block;
    transition: opacity .2s;
}
.mutech-gal-prod-loading {
    opacity: .5;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .mutech-galeria-grid--3x1,
    .mutech-galeria-grid--4x2 {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: unset;
    }
    .mutech-caract-titulo {
        font-size: 26px;
    }
    .mutech-seccion-header > span {
        font-size: 18px;
    }
    .mutech-item {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .mutech-acoustic {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .mutech-item-label {
        font-size: 16px;
    }
    .mutech-galeria-slide {
        height: 220px;
    }
    .mutech-galeria-img {
        height: 220px;
    }
    .mutech-swatch {
        width: 44px;
        height: 44px;
    }
    .mutech-guia-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .mutech-guia-item-front {
        gap: 20px;
    }
    .mutech-guia-num {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
    .mutech-guia-title {
        font-size: 22px;
    }
    .mutech-guia-text {
        font-size: 15px;
        line-height: 1.65;
    }
    .mutech-galeria-prev { left: 6px; }
    .mutech-galeria-next { right: 6px; }
    .mutech-galeria-dot { width: 20px; }
    .mutech-galeria-dot.active { width: 28px; }

    /* Galeria producto - mobile: thumbs horizontais abaixo da foto */
    .mutech-gal-prod {
        flex-direction: column;
        gap: 12px;
    }
    .mutech-gal-prod-thumbs {
        order: 2;
        flex-direction: row;
        width: 100%;
        align-items: center;
        gap: 8px;
    }
    .mutech-gal-prod-thumbs-wrap {
        /* mostra 2 thumbs: 2x80px + 1 gap x8px = 168px */
        flex: 0 0 256px;
        width: 256px;
        height: 80px;
    }
    .mutech-gal-prod-thumbs-track {
        flex-direction: row;
    }
    .mutech-gal-prod-main {
        width: 100%;
        order: 1;
    }
    .mutech-gal-prod-thumb {
        flex: 0 0 80px;
    }
    .mutech-gal-prod-chevron {
        width: 24px;
        height: 80px;
        padding: 0;
    }
    /* chevron vira seta para direita */
    .mutech-gal-prod-chevron svg {
        transform: rotate(-90deg);
    }
}