/* ---- Franja de título superior ---- */
.mcb-section-header {
    background: linear-gradient(90deg, #3d837d, #6eaba5);
    padding: .6rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.mcb-section-label {
    color: rgba(255,255,255,0.92);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    white-space: nowrap;
    font-family: 'Poppins', sans-serif;
}
.mcb-section-line {
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.25);
}

/* ---- Contenedor principal ---- */
.mcb-wrapper {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
    box-shadow: 0 4px 32px rgba(0,0,0,0.08);
    border: 1px solid #e8eeec;
}
@media (min-width: 768px) {
    .mcb-wrapper {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto 1fr;
        min-height: 460px;
    }
    .mcb-section-header {
        grid-column: 1 / -1;
    }
}
/* ---- Columna imagen ---- */
.mcb-col-img {
    flex: 1;
    position: relative;
    min-height: 260px;
    overflow: hidden;
}
.mcb-col-img img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
}
/* ---- Columna formulario ---- */
.mcb-col-form {
    flex: 1;
    padding: 2.25rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.15rem;
    background: #ffffff;
}
/* ---- Encabezado ---- */
.mcb-badge {
    display: inline-block;
    background: #edf5f4;
    border: 1px solid #6eaba5;
    color: #4a8f89;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    padding: .28rem .85rem;
    border-radius: 50px;
    width: fit-content;
}
.mcb-titulo {
    color: #1a1a1a;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.25;
    margin: 0;
}
.mcb-titulo span { color: #6eaba5; }
.mcb-subtitulo {
    color: #777;
    font-size: .82rem;
    margin: 0;
    line-height: 1.5;
}
/* ---- Pasos ---- */
.mcb-paso { display: flex; flex-direction: column; }
.mcb-label {
    color: #2a2a2a;
    font-size: .82rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: .5rem;
    margin: 0 0 .5rem;
}
.mcb-num {
    background: #6eaba5;
    color: #fff;
    width: 21px; height: 21px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    font-weight: 700;
    flex-shrink: 0;
}
/* ---- Botones rápidos de cantidad ---- */
.mcb-qty-rapida {
    display: flex;
    gap: .4rem;
    flex-wrap: wrap;
    margin-bottom: .6rem;
}
.mcb-btn-rapido {
    background: #f4f7f6;
    border: 1.5px solid #dde7e5;
    color: #555;
    border-radius: 8px;
    padding: .3rem .8rem;
    font-size: .78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all .17s ease;
    font-family: 'Poppins', sans-serif;
}
.mcb-btn-rapido:hover  { border-color: #6eaba5; color: #4a8f89; background: #edf5f4; }
.mcb-btn-rapido.active { background: #edf5f4; border-color: #6eaba5; color: #4a8f89; font-weight: 700; }
/* ---- Stepper ---- */
.mcb-stepper {
    display: flex;
    align-items: center;
    background: #f4f7f6;
    border: 1.5px solid #dde7e5;
    border-radius: 10px;
    width: fit-content;
    overflow: hidden;
}
.mcb-btn-step {
    background: transparent;
    border: none;
    color: #2a2a2a;
    width: 40px; height: 42px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s;
    font-family: 'Poppins', sans-serif;
    line-height: 1;
}
.mcb-btn-step:hover { background: #dde7e5; }
.mcb-qty-input {
    background: transparent;
    border: none;
    color: #1a1a1a;
    text-align: center;
    width: 72px;
    font-size: .95rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    -moz-appearance: textfield;
}
.mcb-qty-input::-webkit-inner-spin-button,
.mcb-qty-input::-webkit-outer-spin-button { -webkit-appearance: none; }
/* ---- Badge "NUEVO" en tarjetas de tela ---- */
.mcb-nuevo-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #c0392b;
    color: #fff;
    font-size: .55rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: .22rem .55rem;
    border-radius: 50px;
    line-height: 1;
    box-shadow: 0 3px 10px rgba(192, 57, 43, .45);
    pointer-events: none;
    z-index: 3;
    white-space: nowrap;
    font-family: 'Poppins', sans-serif;
}

/* ---- Tarjetas de tela ---- */
.mcb-telas-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .55rem;
}
.mcb-tela-card {
    position: relative;
    background: #f9fbfa;
    border: 1.5px solid #dde7e5;
    border-radius: 10px;
    padding: .8rem .5rem .65rem;
    text-align: center;
    cursor: pointer;
    transition: all .18s ease;
    user-select: none;
}
.mcb-tela-card:hover { border-color: #6eaba5; background: #edf5f4; }
.mcb-tela-card.active {
    border-color: #6eaba5;
    background: #edf5f4;
    box-shadow: 0 0 0 3px rgba(110,171,165,.18);
}
.mcb-tela-icono {
    margin: 0 auto .35rem;
    width: 28px; height: 28px;
    color: #aaa;
    display: flex;
    align-items: center;
    justify-content: center;
}
.mcb-tela-card.active .mcb-tela-icono { color: #6eaba5; }
.mcb-tela-icono svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.mcb-tela-check {
    display: none;
    position: absolute;
    top: 6px; right: 7px;
    width: 16px; height: 16px;
    background: #6eaba5;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
}
.mcb-tela-check svg { width: 9px; height: 9px; stroke: #fff; fill: none; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.mcb-tela-card.active .mcb-tela-check { display: flex; }
.mcb-tela-nombre { color: #1a1a1a; font-size: .73rem; font-weight: 600; line-height: 1.3; }
.mcb-tela-desc   { color: #999; font-size: .63rem; margin-top: .1rem; }
/* ---- Botón WhatsApp ---- */
.mcb-btn-wa {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    background: #25D366;
    color: #fff !important;
    border-radius: 12px;
    padding: .9rem 1.5rem;
    font-size: .92rem;
    font-weight: 700;
    text-decoration: none !important;
    transition: background .2s, transform .15s, box-shadow .2s;
    margin-top: .2rem;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 4px 16px rgba(37,211,102,.3);
}
.mcb-btn-wa:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,.35);
    color: #fff !important;
    text-decoration: none !important;
}
.mcb-nota {
    text-align: center;
    color: #aaa;
    font-size: .72rem;
    margin: 0;
}
/* ---- Colores Manta Prelavada ---- */
.mcb-label-color {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .78rem;
}
.mcb-label-color span {
    color: #6eaba5;
    font-weight: 700;
}
.mcb-colores-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    margin-top: .35rem;
}
.mcb-color-dot {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2.5px solid transparent;
    cursor: pointer;
    padding: 0;
    transition: transform .15s, box-shadow .15s, border-color .15s;
    outline: none;
    position: relative;
}
.mcb-color-dot:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.mcb-color-dot.active {
    border-color: #6eaba5;
    box-shadow: 0 0 0 3px rgba(110,171,165,.35);
    transform: scale(1.1);
}
.mcb-colores-manta {
    animation: mcb-fadeIn .2s ease;
}
@keyframes mcb-fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}