/* =====================================================
   REPSA - PÁGINA DE LADRILLOS DE ARCILLA
   ===================================================== */


   /* Contenedor principal */
.arcilla-page {
    width: 100%;
    padding: 0 20px;
}

.arcilla-page .arcilla-articulo {
    display: block;
    width: 100%;
    max-width: 1180px;
    margin: 0 auto 35px;
    padding: 0 0 35px;
    border-bottom: 1px solid #dddddd;
    overflow: hidden;
}

/* Título del contenido */
.arcilla-page .arcilla-articulo .art-header h2 {
    margin: 0 0 25px;
    color: #222222;
    font-size: 30px;
    line-height: 1.3;
    font-weight: 700;
    text-transform: uppercase;
    border-left: 5px solid #F3542D;
    padding-left: 15px;
}

/* Texto e imagen */
.arcilla-page .art-content {
    display: flow-root;
    color: #222222;
    font-size: 16px;
    line-height: 1.8;
    text-align: justify;
}

.arcilla-page .art-content p {
    margin: 0 0 20px;
    color: #222222;
    font-size: 16px;
    line-height: 1.8;
    text-align: justify;
}

/* Imagen de ladrillos de arcilla */
.arcilla-page .art-content .imagen-arcilla {
    display: block;
    float: left;
    width: 400px;
    max-width: 45%;
    height: 300px;
    object-fit: cover;
    object-position: center;
    margin: 0 25px 18px 0;
    border: 1px solid #dddddd;
    border-radius: 3px;
}

/* Franja superior */
.arcilla-subheader {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.35)),
        url("../images/bg-4.jpg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    min-height: 150px;
    padding: 35px 20px 25px;
    margin-bottom: 40px;
    color: #ffffff;
}

.arcilla-subheader h1 {
    color: #ffffff;
    font-size: 35px;
    line-height: 1.25;
    font-weight: 700;
    margin: 0 0 10px;
}

.arcilla-subheader p {
    color: #ffffff;
    font-size: 16px;
    margin: 0;
}

/* Enlace al documento PDF */
.arcilla-documento {
    display: flex;
    clear: both;
    margin: 30px 0 10px;
}

.arcilla-documento a {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    max-width: 100%;
    padding: 14px 18px;
    background: #f7f7f7;
    border: 1px solid #dddddd;
    border-left: 4px solid #F3542D;
    border-radius: 4px;
    color: #333333;
    font-size: 15px;
    line-height: 1.5;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.25s ease,
                border-color 0.25s ease,
                color 0.25s ease;
}

.arcilla-documento a:hover {
    background: #F3542D;
    border-color: #F3542D;
    color: #ffffff;
    text-decoration: none;
}

.arcilla-documento .pdf-icono {
    display: block;
    float: none;
    flex: 0 0 32px;
    width: 32px;
    height: auto;
    max-height: 38px;
    object-fit: contain;
    margin: 0;
    border: 0;
}

.arcilla-documento .fa {
    font-size: 14px;
}

/* Pie de página */
.arcilla-copyright {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.arcilla-copyright p {
    margin: 0;
    color: #ffffff;
    font-size: 12px;
    line-height: 1.7;
    text-align: center;
}

/* Logos de instituciones: conservar tamaños del estilo general */
.logos-socios img {
    object-fit: contain;
}

/* Evitar que el contenido se desborde */
.arcilla-page,
.arcilla-page * {
    box-sizing: border-box;
}

/* =========================================
   BOTÓN VOLVER ARRIBA
   ========================================= */

.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    color: #ffffff;
    background: var(--repsa-orange);
    border: 0;
    border-radius: 3px;
    font-size: 25px;
    opacity: 0;
    visibility: hidden;
    cursor: pointer;
    transition: opacity 0.25s ease, background 0.25s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--repsa-orange-dark);
}

/* =====================================================
   TABLET
   ===================================================== */
@media screen and (max-width: 900px) {
    .arcilla-page .arcilla-articulo .art-header h2 {
        font-size: 27px;
    }

    .arcilla-page .art-content .imagen-arcilla {
        width: 360px;
        height: 270px;
        max-width: 45%;
        margin-right: 20px;
    }

    .arcilla-subheader h1 {
        font-size: 30px;
    }
}

/* =====================================================
   CELULARES
   ===================================================== */
@media screen and (max-width: 767px) {
    .arcilla-page {
        padding: 0 15px;
    }

    .arcilla-page .arcilla-articulo {
        margin-bottom: 25px;
        padding-bottom: 25px;
    }

    .arcilla-page .arcilla-articulo .art-header h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .arcilla-page .art-content {
        font-size: 15px;
        line-height: 1.75;
    }

    .arcilla-page .art-content p {
        font-size: 15px;
        line-height: 1.75;
        text-align: left;
    }

    .arcilla-page .art-content .imagen-arcilla {
        float: none !important;
        display: block;
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        margin: 0 auto 22px !important;
        object-fit: contain;
    }

    .arcilla-subheader {
        min-height: 125px;
        padding: 25px 15px;
        margin-bottom: 30px;
    }

    .arcilla-subheader h1 {
        font-size: 25px;
    }

    .arcilla-subheader p {
        font-size: 14px;
    }

    .arcilla-documento {
        margin-top: 25px;
    }

    .arcilla-documento a {
        width: 100%;
        padding: 12px;
        gap: 10px;
        font-size: 14px;
    }

    .arcilla-documento .pdf-icono {
        flex-basis: 28px;
        width: 28px;
    }

    .arcilla-copyright p {
        font-size: 11px;
    }
}

/* Pantallas muy pequeñas */
@media screen and (max-width: 380px) {
    .arcilla-page .arcilla-articulo .art-header h2 {
        font-size: 21px;
    }

    .arcilla-subheader h1 {
        font-size: 22px;
    }

    .arcilla-documento a {
        font-size: 12px;
        gap: 8px;
    }
}

/* LINKEDIN EN EL HEADER - SOLO INDEX */
.header-linkedin {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    margin-left: 10px;
    color: #0A66C2;
    font-size: 18px;
    text-decoration: none;
    transition: color 0.2s ease;
}

.header-linkedin:hover {
    color: #F3542D;
}

/* Ajuste para pantallas pequeñas */
@media (max-width: 800px) {
    .header-linkedin {
        margin-left: auto;
        margin-right: 10px;
    }
}