/* Custom CSS for PTE Classes Website */

/* Root Variables */
:root {
    --primary-color: #1e3a8a;
    --secondary-color: #f97316;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --purple-color: #8b5cf6;
    --light-bg: #f8fafc;
    --dark-bg: #1f2937;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #374151;
}

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

/* Custom Bootstrap Overrides */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #1e40af;
    border-color: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.text-purple {
    color: var(--purple-color) !important;
}

/* Navigation Styles */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2rem 0;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-stats {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stat-item h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
}

/* Course Cards */
.course-card {
    background: white;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    padding: 2rem;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.course-icon {
    margin-bottom: 1.5rem;
}

.course-card h4 {
    color: var(--dark-bg);
    margin-bottom: 1rem;
}

.course-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.course-card ul li:last-child {
    border-bottom: none;
}

/* Feature Items */
.feature-item {
    padding: 2rem 1rem;
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-item h5 {
    margin-bottom: 1rem;
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.testimonial-card .card-body {
    padding: 2rem;
}

.stars {
    margin-bottom: 1rem;
}

.student-info h6 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-form {
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-control {
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(30, 58, 138, 0.25);
}

.form-select {
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    padding: 12px 16px;
    transition: all 0.3s ease;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(30, 58, 138, 0.25);
}

/* Contact Info */
.contact-info {
    padding: 2rem 1rem;
}

.contact-info i {
    margin-bottom: 1rem;
}

.contact-info h5 {
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

/* Footer */
footer {
    background-color: var(--dark-bg) !important;
}

.social-links a {
    transition: color 0.3s ease;
}

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

/* 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;
    }
    
    .hero-stats {
        margin-top: 2rem;
    }
    
    .course-card {
        margin-bottom: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        text-align: center;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-buttons .btn:last-child {
        margin-bottom: 0;
    }
}

/* Custom Utilities */
.shadow-lg {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1) !important;
}

.rounded-3 {
    border-radius: 12px !important;
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: #1e40af;
    transform: translateY(-2px);
}