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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

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

.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: #ffc107 !important;
    transform: translateY(-2px);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: #ffc107;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

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

.hero-image {
    animation: float 6s ease-in-out infinite;
}

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

/* Animations */
.animate-up {
    animation: slideUp 1s ease-out;
}

.animate-up-delay {
    animation: slideUp 1s ease-out 0.3s both;
}

.animate-up-delay-2 {
    animation: slideUp 1s ease-out 0.6s both;
}

.animate-up-delay-3 {
    animation: slideUp 1s ease-out 0.9s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    color: #333;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* About Section */
.about-content h3 {
    color: #333;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
}

.feature-item i {
    font-size: 1.3rem;
}

/* Stats */
.stat-item {
    padding: 2rem 1rem;
    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(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* Course Cards */
.course-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%;
}

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

.course-header {
    padding: 2rem;
    text-align: center;
}

.course-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.course-body {
    padding: 2rem;
}

.course-body h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 1rem;
}

.course-features {
    list-style: none;
    margin: 1.5rem 0;
}

.course-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}

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

.course-features i {
    color: #667eea;
    margin-right: 0.5rem;
}

.course-price {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid #eee;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
}

/* Teacher Cards */
.teacher-card {
    background: white;
    padding: 2rem 1rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.teacher-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 2rem;
}

.teacher-card h4 {
    color: #333;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-info h4 {
    color: #ffc107;
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-info p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
}

.contact-form h4 {
    margin-bottom: 1.5rem;
    color: #ffc107;
}

.form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 10px;
    padding: 0.75rem 1rem;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: #ffc107;
    box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.25);
    color: white;
}

.map-container h4 {
    margin-bottom: 1.5rem;
    color: #ffc107;
}

.map-placeholder {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

/* Location Section */
#location .map-container {
    background: white;
    padding: 1rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

#location .map-container iframe {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-links h5 {
    color: #ffc107;
    margin-bottom: 1rem;
}

.social-links .btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links .btn:hover {
    transform: translateY(-3px);
    background: #ffc107;
    border-color: #ffc107;
    color: #333;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s ease;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Buttons */
.btn {
    border-radius: 25px;
    padding: 0.75rem 2rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-warning {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    color: #333;
}

.btn-outline-light:hover {
    background: #ffc107;
    border-color: #ffc107;
    color: #333;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .course-card {
        margin-bottom: 2rem;
    }
    
    .contact-form {
        margin-bottom: 2rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

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

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

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

/* Hover Effects */
.course-card:hover .course-header {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.teacher-card:hover .teacher-avatar {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}