/* Custom CSS for TechTrainee */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

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

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar Styles */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--warning-color) !important;
}

/* Hero Section */
.hero-section {
    padding-top: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-section h1 {
    color: white !important;
}

.hero-section .text-muted {
    color: rgba(255,255,255,0.8) !important;
}

.hero-section img {
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

.hero-section img:hover {
    transform: translateY(-10px);
}

/* Course Cards */
.course-card {
    transition: all 0.3s ease;
    border: none;
    border-radius: 15px;
    overflow: hidden;
}

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

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

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

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

.course-card .card-title {
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Feature Items */
.feature-item {
    text-align: center;
    padding: 1.5rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background-color: var(--light-color);
    transform: translateY(-5px);
}

.feature-item h5 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Contact Cards */
.contact-card {
    transition: all 0.3s ease;
    border: none;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1) !important;
}

/* Buttons */
.btn {
    border-radius: 25px;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0056b3, var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.4);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.4);
}

.btn-success {
    background: linear-gradient(45deg, var(--success-color), #146c43);
    border: none;
}

.btn-success:hover {
    background: linear-gradient(45deg, #146c43, var(--success-color));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(25, 135, 84, 0.4);
}

/* Social Links */
.social-links a {
    transition: all 0.3s ease;
    display: inline-block;
}

.social-links a:hover {
    color: var(--primary-color) !important;
    transform: translateY(-3px);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--primary-color) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .course-card {
        margin-bottom: 2rem;
    }
    
    .feature-item {
        margin-bottom: 2rem;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 1.75rem;
    }
    
    .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .btn + .btn {
        margin-left: 0;
    }
}

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

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

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* Section Spacing */
section {
    padding: 4rem 0;
}

/* Text Utilities */
.text-gradient {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Hover Effects */
.card {
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* Badge Styles */
.badge {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

/* Image Placeholder Styles */
.img-placeholder {
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 1.2rem;
    font-weight: 500;
}

/* Language Toggle Styles */
.language-toggle {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 1000;
    background: white;
    border-radius: 25px;
    padding: 0.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.language-toggle .btn {
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
}

/* Progress Bar Styles */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-bar {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    border-radius: 4px;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.5rem;
}

.alert-primary {
    background: linear-gradient(45deg, rgba(13, 110, 253, 0.1), rgba(0, 86, 179, 0.1));
    color: var(--primary-color);
}

/* Form Styles */
.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Modal Styles */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: 15px 15px 0 0;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 15px 15px;
}