/* Global Styles */
:root {
    --primary-color: #0056b3;
    --secondary-color: #6c757d;
    --accent-color: #28a745;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #0056b3 0%, #004494 100%);
    --gradient-accent: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.main-content {
    margin-top: 76px;
    min-height: calc(100vh - 76px);
}

/* Navigation */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: white !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    color: rgba(255, 255, 255, 0.8) !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #ffd700 !important;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.dropdown-item {
    transition: background-color 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-buttons {
    margin-top: 2rem;
}

.btn-primary-custom {
    background: var(--accent-color);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary-custom:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(40, 167, 69, 0.3);
}

.btn-outline-custom {
    border: 2px solid white;
    color: white;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-outline-custom:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    margin: 1rem auto;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--secondary-color);
    max-width: 600px;
    margin: 0 auto;
}

/* Program Cards */
.program-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.program-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -40px auto 1rem;
    color: white;
    font-size: 2rem;
    border: 4px solid white;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.program-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-align: center;
}

.program-duration {
    color: var(--accent-color);
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
}

.program-description {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    padding: 0 1rem;
    text-align: center;
    flex-grow: 1;
}

.program-features {
    list-style: none;
    padding: 0 1rem;
    margin-bottom: 1.5rem;
}

.program-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
    color: var(--secondary-color);
}

.program-features li:last-child {
    border-bottom: none;
}

.program-features li::before {
    content: '✓';
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

/* Statistics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--secondary-color);
    font-weight: 600;
}

/* News Section */
.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.news-image {
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-content {
    padding: 1.5rem;
}

.news-date {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.news-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.news-description {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Call to Action */
.cta-section {
    background: var(--gradient-primary);
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
}

footer h5 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .btn-primary-custom,
    .btn-outline-custom {
        width: 250px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Enhanced Hero Section Styles */
.hero-section-enhanced {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.8) 0%, rgba(0, 68, 148, 0.9) 100%);
    z-index: -1;
}

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-elements {
    position: relative;
    height: 100%;
}

.floating-icon {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 20%;
    left: 20%;
}

.floating-icon:nth-child(2) {
    top: 60%;
    left: 60%;
}

.floating-icon:nth-child(3) {
    top: 40%;
    left: 40%;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Enhanced Program Cards */
.program-card-enhanced {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.program-card-enhanced:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.program-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.program-card-enhanced:hover .program-image img {
    transform: scale(1.05);
}

.program-content {
    padding: 2rem;
}

/* Laboratory Showcase */
.lab-showcase {
    margin-top: 2rem;
}

.lab-card {
    position: relative;
    margin-bottom: 2rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.lab-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.lab-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.lab-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.lab-card:hover .lab-image img {
    transform: scale(1.05);
}

.lab-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 2rem 1.5rem 1.5rem;
    color: white;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lab-card:hover .lab-overlay {
    opacity: 1;
}

.lab-info h4 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.lab-info p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Student Life Cards */
.life-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.life-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.life-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.life-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.life-card:hover .life-image img {
    transform: scale(1.05);
}

.life-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 2rem 1.5rem 1.5rem;
    color: white;
}

.life-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.life-content p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Enhanced Feature Cards */
.feature-card-enhanced {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card-enhanced:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.feature-stats {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e9ecef;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-section-enhanced {
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: 2.5rem !important;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .floating-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .program-image,
    .lab-image,
    .life-image {
        height: 200px;
    }
}