.keisar-vb__header {
    text-align: center;
    margin-bottom: 2rem;
}

.keisar-vb__title {
    font-size: 1.875rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.keisar-vb__desc {
    color: #6B7280;
    margin: 0;
}

/* Grid patterns */
.keisar-vb__grid {
    display: grid;
    gap: 1.5rem;
}

.keisar-vb__grid--2-1-1-2 {
    grid-template-columns: repeat(3, 1fr);
}

.keisar-vb__grid--2-1-1-2 .keisar-vb__item--0,
.keisar-vb__grid--2-1-1-2 .keisar-vb__item--3 {
    grid-column: span 2;
}

.keisar-vb__grid--1-1-1 {
    grid-template-columns: repeat(3, 1fr);
}

.keisar-vb__grid--1-2-1 {
    grid-template-columns: 1fr 2fr 1fr;
}

/* Card */
.keisar-vb__item {
    position: relative;
    overflow: hidden;
    border-radius: 1.5rem;
    height: 400px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Media */
.keisar-vb__media {
    position: absolute;
    inset: 0;
}

.keisar-vb__video,
.keisar-vb__poster {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.keisar-vb__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    transition: background 0.3s;
}

.keisar-vb__item:hover .keisar-vb__overlay {
    background: rgba(0, 0, 0, 0.3);
}

.keisar-vb__gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.2) 50%, transparent);
}

/* Content */
.keisar-vb__content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    color: #fff;
    text-align: right;
    z-index: 1;
}

.keisar-vb__card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: inherit;
}

.keisar-vb__card-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    color: #E5E7EB;
    margin: 0;
}

/* Tablet: two columns */
@media (max-width: 1024px) {
    .keisar-vb__grid--2-1-1-2,
    .keisar-vb__grid--1-1-1,
    .keisar-vb__grid--1-2-1 {
        grid-template-columns: repeat(2, 1fr);
    }

    .keisar-vb__grid--2-1-1-2 .keisar-vb__item--0,
    .keisar-vb__grid--2-1-1-2 .keisar-vb__item--3 {
        grid-column: span 1;
    }

    .keisar-vb__item {
        height: 300px;
    }
}

/* Mobile: single column */
@media (max-width: 767px) {
    .keisar-vb__grid--2-1-1-2,
    .keisar-vb__grid--1-1-1,
    .keisar-vb__grid--1-2-1 {
        grid-template-columns: 1fr;
    }

    .keisar-vb__grid--2-1-1-2 .keisar-vb__item--0,
    .keisar-vb__grid--2-1-1-2 .keisar-vb__item--3 {
        grid-column: span 1;
    }
}