/* Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #ff6b35;
    --secondary-color: #2a9d8f;
    --accent-color: #f8c630;
    --dark-color: #264653;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --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: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
}

.login-btn {
    background-color: transparent;
    color: var(--dark-color);
    border: 1px solid var(--dark-color);
}

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

.signup-btn, .cta-btn, .submit-btn {
    background-color: var(--primary-color);
    color: white;
}

.signup-btn:hover, .cta-btn:hover, .submit-btn:hover {
    background-color: #e85a2a;
    transform: translateY(-2px);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: var(--primary-color);
}

/* Header and Navigation */
header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-links ul {
    display: flex;
}

.nav-links ul li {
    margin-left: 30px;
}

.nav-links ul li a {
    font-weight: 500;
    transition: var(--transition);
}

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

.auth-buttons {
    display: flex;
    gap: 15px;
}

.fa-bars, .fa-times {
    display: none;
    cursor: pointer;
    font-size: 24px;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 5%;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 80px);
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--gray-color);
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

/* Features Section */
.features {
    padding: 80px 5%;
    background-color: #f5f5f5;
}

.features-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    text-align: center;
    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 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--gray-color);
}

/* Courses Section */
.courses {
    padding: 80px 5%;
}

.courses-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

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

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

.course-image {
    height: 200px;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .course-image img {
    transform: scale(1.1);
}

.course-details {
    padding: 20px;
}

.course-category {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 10px;
}

.course-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

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

.course-description {
    color: var(--gray-color);
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

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

.course-rating i {
    color: var(--accent-color);
    margin-right: 5px;
}

.course-price {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.preview-btn {
    width: 100%;
    margin-top: 15px;
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
}

.preview-btn:hover {
    background-color: #238b7e;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 5%;
    background-color: #f5f5f5;
}

.testimonials-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.testimonial-text {
    margin-bottom: 20px;
    font-style: italic;
    color: var(--gray-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.testimonial-author p {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 5% 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

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

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

.footer-section.links ul li a {
    color: #ddd;
    transition: var(--transition);
}

.footer-section.links ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

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

.social-icons {
    margin-top: 20px;
}

.social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-right: 10px;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    width: 90%;
    max-width: 500px;
    position: relative;
}

.modal-content.course-preview {
    max-width: 800px;
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.modal h2 {
    margin-bottom: 20px;
    color: var(--dark-color);
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--gray-color);
}

.form-footer a {
    color: var(--primary-color);
    font-weight: 500;
}

/* Course Preview Modal Content */
.preview-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.preview-header img {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    margin-right: 15px;
    object-fit: cover;
}

.preview-header-text h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.preview-header-text p {
    color: var(--gray-color);
}

.preview-video {
    width: 100%;
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
}

.preview-video video {
    width: 100%;
    height: auto;
    display: block;
}

.preview-details {
    margin-bottom: 20px;
}

.preview-details h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.preview-details p {
    color: var(--gray-color);
    margin-bottom: 15px;
}

.preview-details ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 15px;
}

.preview-details ul li {
    margin-bottom: 8px;
    color: var(--gray-color);
}

.preview-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.preview-price {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.enroll-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 25px;
    font-size: 1.1rem;
}

.enroll-btn:hover {
    background-color: #e85a2a;
}

/* Quiz Styles */
.quiz-container {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--box-shadow);
    margin-top: 20px;
}

.quiz-header {
    margin-bottom: 20px;
}

.quiz-header h3 {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.quiz-header p {
    color: var(--gray-color);
}

.quiz-question {
    margin-bottom: 25px;
}

.quiz-question p {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.quiz-options {
    display: grid;
    gap: 10px;
}

.quiz-option {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    background-color: #f9f9f9;
}

.quiz-option.selected {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.quiz-option.correct {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.quiz-option.incorrect {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.quiz-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.quiz-progress {
    color: var(--gray-color);
}

.quiz-nav-buttons {
    display: flex;
    gap: 10px;
}

.quiz-nav-btn {
    padding: 8px 15px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.quiz-nav-btn:hover {
    background-color: #238b7e;
}

.quiz-nav-btn.disabled {
    background-color: #ddd;
    cursor: not-allowed;
}

.quiz-result {
    text-align: center;
    padding: 30px;
}

.quiz-result h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.quiz-score {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.quiz-feedback {
    color: var(--gray-color);
    margin-bottom: 25px;
}

/* Progress Tracking */
.progress-container {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--box-shadow);
    margin-top: 20px;
}

.progress-header {
    margin-bottom: 25px;
}

.progress-header h3 {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.progress-header p {
    color: var(--gray-color);
}

.progress-item {
    margin-bottom: 20px;
}

.progress-item-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.progress-item-title {
    font-weight: 500;
    color: var(--dark-color);
}

.progress-item-percentage {
    font-weight: 600;
    color: var(--primary-color);
}

.progress-bar-container {
    width: 100%;
    height: 10px;
    background-color: #eee;
    border-radius: 5px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
    transition: width 0.5s ease;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 60px 5%;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: white;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        padding-top: 80px;
        transition: var(--transition);
        z-index: 1001;
    }

    .nav-links ul {
        flex-direction: column;
    }

    .nav-links ul li {
        margin: 0;
        margin-bottom: 20px;
    }

    .fa-bars {
        display: block;
    }

    .fa-times {
        display: block;
        position: absolute;
        top: 25px;
        right: 25px;
        font-size: 24px;
    }

    .auth-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .auth-buttons .btn {
        width: 100%;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .feature-card {
        padding: 20px;
    }

    .feature-card i {
        font-size: 2.5rem;
    }

    .feature-card h3 {
        font-size: 1.3rem;
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .feature-card {
        padding: 15px;
    }

    .testimonial {
        padding: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Adding to the existing styles.css file */

/* Active link style */
.nav-links ul li a.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Page Banner */
.page-banner {
    background: linear-gradient(rgba(38, 70, 83, 0.8), rgba(38, 70, 83, 0.9)), url('https://via.placeholder.com/1920x500');
    background-size: cover;
    background-position: center;
    padding: 100px 5%;
    text-align: center;
    color: white;
}

.banner-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.banner-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Features Detailed Page */
.features-detailed {
    padding: 80px 0;
}

.feature-detailed-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 80px;
    padding: 40px;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.feature-detailed-item.reverse {
    flex-direction: row-reverse;
}

.feature-icon {
    flex: 0 0 100px;
    font-size: 3rem;
    color: var(--primary-color);
    text-align: center;
}

.feature-content {
    flex: 1;
    padding: 0 30px;
}

.feature-content h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-content p {
    color: var(--gray-color);
    margin-bottom: 20px;
    line-height: 1.7;
}

.feature-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.highlight {
    display: flex;
    align-items: center;
}

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

.feature-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.feature-image img {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Courses Page */
.courses-page {
    padding: 80px 0;
}

.courses-filters {
    margin-bottom: 40px;
}

.search-bar {
    display: flex;
    margin-bottom: 20px;
}

.search-bar input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px 0 0 5px;
    font-size: 16px;
}

.search-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.filter-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    background-color: white;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.pagination-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ddd;
    background-color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

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

.pagination-btn:hover:not(.active):not([disabled]) {
    background-color: #f5f5f5;
}

.pagination-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

/* CTA Section */
.cta-section {
    background-color: var(--secondary-color);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
}

.cta-section .cta-btn {
    background-color: white;
    color: var(--secondary-color);
    font-size: 1.1rem;
    padding: 12px 30px;
}

.cta-section .cta-btn:hover {
    background-color: var(--dark-color);
    color: white;
}

/* Responsive Styles for New Pages */
@media (max-width: 992px) {
    .feature-detailed-item, .feature-detailed-item.reverse {
        flex-direction: column;
        padding: 30px;
    }
    
    .feature-icon {
        margin-bottom: 20px;
    }
    
    .feature-content {
        padding: 0;
        margin-bottom: 30px;
        text-align: center;
    }
    
    .feature-highlights {
        justify-content: center;
    }
    
    .banner-content h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .filter-options {
        flex-direction: column;
        gap: 15px;
    }
    
    .banner-content h1 {
        font-size: 2rem;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .nav-links.active {
        right: 0;
    }
}

@media (max-width: 576px) {
    .feature-content h2 {
        font-size: 1.5rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
}