.page-container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
    font-family: Arial, sans-serif;
}

.page-header {
    text-align: center;
    margin-bottom: 30px;
}

.title {
    font-size: 2.5rem;
    margin: 0;
}

.subtitle {
    font-size: 1.5rem;
    color: #666;
    margin: 5px 0 20px;
}

.description p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4a4a4a;
    margin-bottom: 1.5rem;
    text-align: center;
}

.videos {
margin: 40px auto;
display: grid;
gap: 24px;                /* space between tri blocks */
}

.video-grid {
    width: 100%;            /* or 100%; max-width: 1000px; */
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.sliders {
margin: 40px auto;
}

.tri-sliders-container {
width: 100%;
margin: 0 auto;
display: flex;
flex-direction: column;
align-items: center;
gap: 24px;
}

.gallery {
    margin-top: 50px;
}

.gallery-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.gallery-item {
    width: 256px;
    height: 192px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.2s;
}

.gallery-item:hover {
    transform: scale(1.05);
}