/* Container */
.iv-container {
    max-width:1200px;
    margin:0 auto;
    padding:20px 20px 30px;
    box-sizing:border-box;
}

/* Grid */
.iv-grid {
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap:22px;
    align-items:start;
}

/* Item */
.iv-item {
    display:flex;
    flex-direction:column;
    gap:10px;
}

/* Video frame */
.iv-item iframe,
.iv-item > div[id^="rumble_"] {
    background:#fff;
    border-radius:10px;
    overflow:hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.18);
    transition: all 0.25s ease;
}

.iv-item iframe {
    display:block;
    width:100%;
    border:0;
    aspect-ratio: 16/9;
}

.iv-item iframe:hover {
    transform:translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.22);
}

/* Title */
.iv-title {
    text-align: center;
    font-family: 'Rubik', sans-serif;
    font-weight: 600;
    font-size: 17px;
    color: #000;
    line-height: 1.35;
}

/* Loading */
.iv-loading {
    text-align:center;
    padding:16px;
    font-size:16px;
    color:#333;
}

/* Responsive */
@media (max-width: 900px) {
    .iv-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .iv-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}