/* Banner image for history section */
.history-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 2px solid #e63946;
}

.history-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.3) 0%, rgba(0, 0, 0, 0) 100%);
    z-index: 1;
}

.history-image img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
    display: block;
}

/* Placeholder banner image styling */
.zenith-banner-placeholder {
    background: linear-gradient(135deg, #111 0%, #333 100%);
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.zenith-banner-placeholder::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, transparent 20%, #e63946 20%, #e63946 40%, transparent 40%, transparent 60%, #e63946 60%, #e63946 80%, transparent 80%);
    top: -50%;
    left: -50%;
    animation: rotate 20s linear infinite;
    opacity: 0.1;
}

.zenith-banner-placeholder::after {
    content: 'ZENITH HUB';
    font-size: 3rem;
    font-weight: 800;
    color: #fff;
    text-shadow: 0 0 10px rgba(230, 57, 70, 0.8);
    letter-spacing: 5px;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Mobile responsiveness for history section */
@media (max-width: 768px) {
    .zenith-banner-placeholder::after {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .zenith-banner-placeholder {
        height: 180px;
    }
    
    .zenith-banner-placeholder::after {
        font-size: 1.5rem;
        letter-spacing: 3px;
    }
}