.main-content {
    margin-top: 60px;
    margin-bottom: 50px;
}
.mt-section {
    margin-top: 10rem;
}

.section-back-01 {
    background-color: white;
    padding-top: 80px;
    padding-bottom: 40px;
}

.section-back-02 {
    background-color: #efefef;
    padding-top: 80px;
    padding-bottom: 40px;
}

.hero-section {
    position: relative;
    height: 40vh;
    width: 100%;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    padding: 2rem 0;
}

.hero-title {
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.hero-btn {
    font-size: 1.2rem;
    padding: 0.75rem 2rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.hero-btn:hover {
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-btn {
        font-size: 1rem;
        padding: 0.5rem 1.5rem;
    }
}