/* Banner Slider Section */
.banner-slider-section {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

/* Slider Container Wrapper */
.slider-container-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Background Slider */
.background-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Individual Slider Item */
.slider-items {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

/* Active Slider Item */
.slider-items.active {
    opacity: 1;
    z-index: 2;
}

/* Overlay Layer */
.slider-overlay-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.5) 100%
    );
    z-index: 3;
}

/* Fixed Text Content */
.slider-text-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4;
    background: #000;
    opacity: 80%;
}

/* Text Content Wrapper */
.text-content-wrapper {
    text-align: center;
    color: #ffffff;
    padding: 30px;
    max-width: 1200px;
}

/* College Logo Container */
.college-logo-container {
    margin-bottom: 18px;
    animation: fadeInDown 1s ease-out;
}

.college-logo-img {
    width: 130px;
    height: 130px;
    object-fit: contain;
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.4));
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
}

/* College Title */
.college-title {
    font-size: 28px;
    font-weight: 700;
    margin: 25px 0;
    text-shadow: 3px 3px 10px rgba(0, 0, 0, 0.8);
    letter-spacing: 1px;
    animation: fadeInUp 1s ease-out 0.3s both;
    font-family: 'Kalpurush', 'SolaimanLipi', 'Nikosh', Arial, sans-serif;
    line-height: 1.2;
}

/* College Tagline */
.college-tagline {
    font-size: 26px;
    font-weight: 300;
    margin: 15px 0;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8);
    letter-spacing: 0.5px;
    animation: fadeInUp 1s ease-out 0.6s both;
    font-family: 'Kalpurush', 'SolaimanLipi', 'Nikosh', Arial, sans-serif;
}

/* Navigation Dots */
.slider-navigation-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 5;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.nav-dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.nav-dot.active {
    background: #ffffff;
    width: 30px;
    border-radius: 6px;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design for Tablets */
@media (max-width: 992px) {
    .banner-slider-section {
        height: 500px;
    }
    
    .college-logo-img {
        width: 100px;
        height: 100px;
    }
    
    .college-title {
        font-size: 42px;
    }
    
    .college-tagline {
        font-size: 20px;
    }
}

/* Responsive Design for Mobile */
@media (max-width: 768px) {
    .banner-slider-section {
        height: 400px;
    }
    
    .college-logo-img {
        width: 80px;
        height: 80px;
    }
    
    .college-title {
        font-size: 32px;
        margin: 20px 0;
    }
    
    .college-tagline {
        font-size: 16px;
    }
    
    .slider-navigation-dots {
        bottom: 20px;
    }
    
    .nav-dot {
        width: 10px;
        height: 10px;
    }
    
    .nav-dot.active {
        width: 24px;
    }
}

/* Responsive Design for Small Mobile */
@media (max-width: 480px) {
    .banner-slider-section {
        height: 350px;
    }
    
    .text-content-wrapper {
        padding: 20px;
    }
    
    .college-logo-img {
        width: 60px;
        height: 60px;
    }
    
    .college-title {
        font-size: 24px;
        margin: 15px 0;
    }
    
    .college-tagline {
        font-size: 14px;
    }
}
