.main_banner {
    position: relative;
    width: 100%;
    max-width: 1920px;
    height: 80vh;
    margin: 0 auto;
    overflow: hidden;
}

.parallax-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.layer {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.layer.background {
    z-index: 1;
}

.layer.middle {
    z-index: 2;
}

.layer.foreground {
    z-index: 3;
}

.content {
    position: relative;
    z-index: 4;
    text-align: center;
    padding: 20px;
    color: #fff;
    top: 50%;
    transform: translateY(-50%);
}

.title {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: 1rem;
}

.description {
    font-size: clamp(1rem, 2vw, 1.5rem);
    margin-bottom: 2rem;
}

.explore-btn {
    padding: 1rem 2rem;
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    border: none;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: all 0.3s ease;
}

@media (max-width: 1024px) {
    .main_banner {
        height: 70vh;
    }
}

@media (max-width: 768px) {
    .main_banner {
        height: 60vh;
    }
    
    .content {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .main_banner {
        height: 50vh;
    }
    
    .explore-btn {
        padding: 0.8rem 1.5rem;
    }
}

.side-nav {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    margin: 10px 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-dot.active {
    background: #fff;
    transform: scale(1.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    color: #fff;
    text-align: center;
}

.scroll-indicator .line {
    display: block;
    width: 1px;
    height: 30px;
    background: #fff;
    margin: 0 auto 10px;
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        opacity: 0;
    }
    50% {
        transform: scaleY(1);
        opacity: 1;
    }
    100% {
        transform: scaleY(0);
        opacity: 0;
    }
}