/* Base Styles */
:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2ecc71;
    --secondary-dark: #27ae60;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --success-color: #2ecc71;
    --gray-color: #95a5a6;
    --dark-gray: #7f8c8d;
    --white: #ffffff;
    --black: #000000;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

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

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

img {
    width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: purple;
    color:white;
    border-radius: 5px;
    padding: 8px 15px;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn-login {
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: 600;
}

.btn-login:hover {
    background-color: rgba(52, 152, 219, 0.1);
    box-shadow: var(--box-shadow);
}

.btn-login.active {
    background-color: white;
    color: var(--white);
}

.btn-signup {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: 600;
}

.btn-signup:hover {
    color: white;
    background-color: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
  
}

.btn-signup.active {
    background-color: white;
    color: white;
    
}

.btn-enroll {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 14px;
}

.btn-enroll:hover {
    background-color: var(--primary-dark);
}

h1, h2, h3, h4 {
    margin-bottom: 15px;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 15px;
}

.text-center {
    text-align: center;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    padding: 15px 0;
    background: linear-gradient(to right, #2c3e50, #3498db);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.logo span {
    color: blueviolet;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    color:white;
    font-weight: 600;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 150px 0 80px;
    background-color: #f8f9fa;
    
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    padding-right: 40px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: black;
}

.hero-image {
    flex: 1;
}

/* Features Section */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 50px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.testimonial-card img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 20px;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-card h4 {
    color: var(--primary-color);
}

.stars {
    color: var(--warning-color);
    margin-top: 10px;
}

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

.cta h2 {
    margin-bottom: 30px;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p {
    margin-bottom: 20px;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li i {
    margin-right: 10px;
    color: var(--primary-color);
}

.socials {
    display: flex;
    margin-top: 20px;
}

.socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: 10px;
    color: var(--white);
    transition: var(--transition);
}

.socials a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    text-align: center;
    background-color: #f8f9fa;
}

.page-header h1 {
    font-size: 2.5rem;
    color: var(--dark-color);
}

.page-header p {
    color: var(--dark-gray);
    font-size: 1.1rem;
}

/* Courses Page */
.courses {
    padding: 60px 0;
}

.course-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.category-btn {
    padding: 8px 15px;
    background-color: var(--light-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.category-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.category-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.course-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.course-image {
    position: relative;
}

.course-image img {
    height: 200px;
    object-fit: cover;
}

.course-level {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 600;
}

.course-content {
    padding: 20px;
}

.course-description {
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    color: var(--gray-color);
    font-size: 0.9rem;
}

.course-meta span {
    display: flex;
    align-items: center;
}

.course-meta i {
    margin-right: 5px;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.course-price {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* About Page */
.about-content {
    padding: 60px 0;
}

.about-section {
    margin-bottom: 60px;
}

.about-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.mission-list {
    margin-left: 20px;
}

.mission-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.mission-list i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.team-member {
    text-align: center;
    background-color: var(--white);
    padding: 30px 20px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 5px solid var(--light-color);
}

.team-member .role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

/* Contact Page */
.contact-content {
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-method {
    display: flex;
    margin-bottom: 30px;
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-form h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group.checkbox {
    display: flex;
    align-items: center;
}

.form-group.checkbox input {
    width: auto;
    margin-right: 10px;
}

.forgot-password {
    display: inline-block;
    margin-top: 5px;
    font-size: 0.9rem;
    color: var(--gray-color);
}

/* Auth Pages */
.auth-section {
    padding: 120px 0 80px;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
}

.auth-card {
    max-width: 500px;
    margin: 0 auto;
    padding: 40px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    text-align: center;
}

.auth-card h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.auth-card p {
    color: var(--dark-gray);
    margin-bottom: 30px;
}

.auth-form .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 30px 0;
    color: var(--gray-color);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #ddd;
}

.auth-divider span {
    padding: 0 15px;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid #ddd;
    background-color: var(--white);
    color: var(--dark-color);
}

.btn-social i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.btn-social.google:hover {
    background-color: pink;
}

.btn-social.github {
    background-color: #333;
    color: var(--white);
}

.btn-social.github:hover {
    background-color: #222;
}
.btn-social.instagram:hover{
    background-color: pink;
}

.auth-footer {
    margin-top: 30px;
    color: var(--dark-gray);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
        text-align: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .nav-links {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .auth-card {
        padding: 30px 20px;
    }
}