/* Departments & Halls Styles */

.departments, .halls {
    padding: 5rem 0;
    position: relative;
}

.departments {
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
}

.halls {
    background: var(--primary-bg);
}

/* Departments Grid */
.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.department-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.department-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.department-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
    border-color: var(--accent-purple);
}

.department-card:hover::before {
    opacity: 0.1;
}

.department-card:hover .department-name {
    color: var(--text-primary);
    text-shadow: 0 0 10px var(--accent-purple);
}

.department-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.department-specialization {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.department-card:hover .department-specialization {
    opacity: 1;
    transform: translateY(0);
}

/* Special Department Cards with Fun Icons */
.department-card.special-dept {
    background: linear-gradient(135deg, var(--glass-bg), rgba(99, 102, 241, 0.1));
}

.department-card.special-dept::after {
    content: attr(data-emoji);
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    opacity: 0.3;
    transition: all 0.3s ease;
}

.department-card.special-dept:hover::after {
    opacity: 1;
    transform: scale(1.2) rotate(10deg);
}

/* Halls Section */
.halls-carousel {
    position: relative;
    overflow: hidden;
    margin-top: 3rem;
}

.halls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    transition: transform 0.3s ease;
}

.hall-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hall-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg,
        transparent,
        var(--accent-purple),
        transparent,
        var(--accent-teal),
        transparent
    );
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: -2;
    animation: rotate 10s linear infinite;
}

.hall-card::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    background: var(--primary-bg);
    border-radius: 18px;
    z-index: -1;
}

.hall-card:hover::before {
    opacity: 0.3;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hall-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.hall-name {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-secondary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hall-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.hall-features {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: auto;
}

.hall-feature {
    background: var(--glass-border);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Tilt Effect on Hover */
.department-card:hover,
.hall-card:hover {
    transform-style: preserve-3d;
    transition: transform 0.1s ease;
}

.department-card:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(5deg) translateY(-10px);
}

.hall-card:hover {
    transform: perspective(1000px) rotateX(-3deg) rotateY(3deg) translateY(-5px);
}

/* Interactive Campus Map Styles */
.campus-map {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    margin: 3rem 0;
    text-align: center;
}

.map-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 2rem auto;
    aspect-ratio: 3/2;
    background: linear-gradient(135deg, var(--secondary-bg), var(--primary-bg));
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid var(--glass-border);
}

.map-location {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--accent-purple);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px var(--accent-purple);
    animation: pulse-map 2s infinite;
}

.map-location:hover {
    transform: scale(1.5);
    background: var(--accent-pink);
    box-shadow: 0 0 20px var(--accent-pink);
}

.map-location.hall { background: var(--accent-teal); }
.map-location.dept { background: var(--accent-purple); }
.map-location.facility { background: var(--accent-pink); }

@keyframes pulse-map {
    0%, 100% {
        box-shadow: 0 0 10px currentColor;
    }
    50% {
        box-shadow: 0 0 20px currentColor, 0 0 30px currentColor;
    }
}

/* Tooltip for Map Locations */
.map-tooltip {
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.map-location:hover .map-tooltip {
    opacity: 1;
}

/* Department Specialization Popup */
.dept-specializations {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 1rem;
    margin-top: 1rem;
    z-index: 10;
    animation: slideUp 0.3s ease;
}

.department-card:hover .dept-specializations {
    display: block;
}

.specialization-item {
    padding: 0.3rem 0;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.specialization-item:last-child {
    border-bottom: none;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .departments-grid,
    .halls-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .department-card,
    .hall-card {
        padding: 1.5rem;
        min-height: 180px;
    }
    
    .department-name,
    .hall-name {
        font-size: 1.2rem;
    }
    
    .map-container {
        aspect-ratio: 4/3;
    }
    
    .map-location {
        width: 15px;
        height: 15px;
    }
}

@media (max-width: 480px) {
    .department-card,
    .hall-card {
        padding: 1rem;
        min-height: 150px;
    }
    
    .department-name,
    .hall-name {
        font-size: 1.1rem;
    }
    
    .hall-features {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .hall-feature {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
}