/* Reset & global styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #000;
    color: #fff;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    text-align: center;
    padding: 20px;
    flex-shrink: 0;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
}

header p {
    font-size: 1.2rem;
    color: #aaa;
}

/* Gallery */
.gallery {
    flex: 1; /* Take remaining space */
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
}

/* Video card */
.video-card {
    width: 100%;
    height: 100%;
    text-align: center;
    position: relative;
}

.video-card iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0;
}

.video-card span {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: #fff;
    background: rgba(0,0,0,0.4);
    padding: 10px 20px;
    border-radius: 8px;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    header h1 {
        font-size: 2rem;
    }
    header p {
        font-size: 1rem;
    }
    .video-card span {
        font-size: 1.2rem;
        padding: 6px 12px;
    }
}