/* Custom CSS for UWH Website */

:root {
    --primary-color: #0066cc;
    --secondary-color: #004499;
    --accent-color: #00aaff;
    --dark-blue: #001a33;
    --light-blue: #e6f3ff;
    --water-blue: #0099cc;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Navigation Styles */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 102, 204, 0.1);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(0, 102, 204, 0.95);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    color: white !important;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: white !important;
    transform: translateY(-2px);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
}

.social-link {
    padding: 0.375rem 0.5rem !important;
    margin: 0 0.2rem !important;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    background: linear-gradient(rgba(0, 102, 204, 0.7), rgba(0, 68, 153, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

/* Slider Styles */
.hero-slider {
    height: 100vh;
    overflow: hidden;
}

.hero-slide {
    height: 100vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 102, 204, 0.6), rgba(0, 68, 153, 0.6));
    z-index: 1;
}

.hero-slide .container {
    position: relative;
    z-index: 2;
}

/* Swiper Navigation */
.swiper-button-next,
.swiper-button-prev {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    backdrop-filter: blur(10px);
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 20px;
}

.swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: white;
}

/* Section Styles */
.section-padding {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-color);
}

.section-title p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

/* Card Styles */
.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: all 0.3s ease;
}

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

/* News Cards */
.news-card {
    height: 100%;
    transition: all 0.3s ease;
}

.news-card .card-body {
    padding: 1.5rem;
}

.news-date {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Video Section */
.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.video-container iframe,
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 15px;
}

/* Live Stream */
.live-badge {
    background: var(--danger-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    animation: pulse 2s infinite;
}

.live-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    margin-right: 8px;
    animation: blink 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Application Form */
.application-form {
    background: var(--light-color);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-control, .form-select {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--dark-blue), var(--primary-color));
}

footer .social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    margin-right: 0.5rem;
}

footer .social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* Back to Top Button */
.btn-floating {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none;
    z-index: 999;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
    transition: all 0.3s ease;
}

.btn-floating:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .navbar-nav .nav-link {
        margin: 0.25rem 0;
    }
    
    .application-form {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .btn-floating {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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