/* =========================================
   ESTILOS EXCLUSIVOS DEL BANNER (SILVER PROMO)
   ========================================= */

/* Contenedor Principal del Banner */
.silver-promo-container {
    /* Gradiente Plateado Metálico */
    background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
    position: relative;
    max-width: 900px;
    margin: 0 auto 4rem; /* Centrado y con margen inferior */
    padding: 2.5rem;
    border-radius: 24px;
    overflow: hidden; /* Para que el brillo no se salga */

    /* Sombra resplandeciente para destacar en fondo oscuro */
    box-shadow: 0 0 30px rgba(203, 213, 225, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.8);

    /* Transición suave al pasar el mouse */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.silver-promo-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(203, 213, 225, 0.25);
}

/* Cuerpo del Banner (Flexbox para alinear icono y texto) */
.silver-card-body {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    position: relative;
    z-index: 2; /* Encima del brillo de fondo */
}

/* Columna del Icono */
.silver-accent-col {
    flex-shrink: 0;
}

.accent-icon-box {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #334155; /* Gris oscuro para el icono */
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    position: relative;
}

/* Pequeño punto de luz en el icono */
.accent-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-shadow: inset 0 0 15px rgba(255, 255, 255, 0.8);
}

/* Columna de Texto */
.silver-text-col {
    color: #1e293b; /* Texto oscuro para leerse bien sobre plata */
    text-align: left;
}

.silver-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, #0f172a 0%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.silver-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    color: #475569;
}

/* Precio destacado en rojo/acento */
.silver-highlight {
    color: #dc2626;
    font-weight: 800;
    font-size: 1.2em;
    background: rgba(220, 38, 38, 0.1);
    padding: 2px 8px;
    border-radius: 6px;
}

/* Footer del banner (texto pequeño con check) */
.silver-footer-tag {
    font-size: 0.9rem;
    font-weight: 600;
    color: #059669; /* Verde esmeralda */
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Efecto de Brillo (Shine Animation) de fondo */
.silver-shine-fx {
    position: absolute;
    top: 0;
    left: -100%; /* Empieza fuera a la izquierda */
    width: 50%;
    height: 100%;
    background: linear-gradient(
            to right,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.6) 50%,
            rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg); /* Inclinado */
    animation: promoShine 6s infinite; /* Se mueve cada 6 segundos */
    pointer-events: none;
    z-index: 1;
}

@keyframes promoShine {
    0% { left: -100%; }
    20% { left: 200%; } /* Pasa rápido */
    100% { left: 200%; } /* Espera */
}

/* =========================================
   RESPONSIVE (MÓVIL)
   ========================================= */
@media screen and (max-width: 768px) {
    .silver-promo-container {
        padding: 2rem 1.5rem;
        margin-bottom: 3rem;
        margin-left: 1rem;
        margin-right: 1rem;
    }

    .silver-card-body {
        flex-direction: column; /* Apila icono arriba, texto abajo */
        text-align: center;
        gap: 1.5rem;
    }

    .silver-text-col {
        text-align: center;
    }

    .silver-title {
        font-size: 1.5rem;
    }

    .silver-footer-tag {
        justify-content: center; /* Centra el check verde */
    }
}