/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #61dafb;
    --secondary-color: #282c34;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --border-color: #dee2e6;
    --success: #28a745;
    --error: #dc3545;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

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

/* Header */
.site-header {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo a {
    color: var(--white);
    display: flex;
    flex-direction: column;
    font-size: 1.5rem;
}

.logo strong {
    color: var(--primary-color);
}

.logo span {
    font-size: 0.85rem;
    opacity: 0.9;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1e2229 100%);
    color: var(--white);
    padding: 5rem 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image img {
    border-radius: 10px;
    box-shadow: var(--shadow-hover);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #4fc3dc;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Sections */
section {
    padding: 4rem 0;
}

.page-header {
    background-color: var(--light-bg);
    text-align: center;
    padding: 3rem 0;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Course Sections */
.why-choose,
.course-overview,
.success-stories {
    background-color: var(--light-bg);
}

.why-choose h2,
.course-overview h2,
.success-stories h2,
.course-benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.courses-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.course-preview-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.course-preview-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.course-preview-content {
    padding: 1.5rem;
}

.course-preview-content h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.course-preview-content .btn {
    margin-top: 1rem;
}

/* Testimonials */
.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.testimonial-author strong {
    display: block;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

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

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #4fc3dc 100%);
    color: var(--secondary-color);
    text-align: center;
    padding: 5rem 0;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* Course Detail Pages */
.course-detail {
    padding: 4rem 0;
}

.course-detail.alternate {
    background-color: var(--light-bg);
}

.course-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.course-detail-image img {
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.course-level {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.course-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.course-modules {
    list-style-position: inside;
    margin: 1rem 0 2rem 0;
}

.course-modules li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.course-info {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: 5px;
    margin: 2rem 0;
}

.course-info p {
    margin-bottom: 0.5rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    text-align: center;
    padding: 1.5rem;
}

.benefit-item h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* About Page */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}

.about-image img {
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.about-text h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
}

.mission-card {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.mission-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.why-different {
    margin-bottom: 4rem;
}

.why-different h2 {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.stats-section {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 3rem;
    border-radius: 10px;
    margin-bottom: 4rem;
}

.stats-section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.company-info h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.info-box {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.info-box p {
    margin-bottom: 0.75rem;
}

/* Contact Page */
.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-form-container h2,
.contact-info-container h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 1.5rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--success);
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1.5rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--error);
}

.contact-info-card {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.contact-info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.info-item {
    margin-bottom: 1.5rem;
}

.info-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.contact-image {
    margin-top: 2rem;
}

.contact-image img {
    border-radius: 10px;
}

/* Legal Pages */
.legal-content {
    padding: 2rem 0 4rem;
}

.legal-document {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-document h2 {
    color: var(--secondary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-document h3 {
    color: var(--secondary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.legal-document p,
.legal-document li {
    margin-bottom: 1rem;
}

.legal-document ul {
    margin-left: 2rem;
}

.contact-box {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: 5px;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary-color);
}

/* Footer */
.site-footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Cookie Consent Banner */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 1.5rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
    z-index: 2000;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-content p {
    flex: 1;
}

.cookie-content a {
    color: var(--primary-color);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero .container,
    .course-detail-content,
    .about-intro,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .features-grid,
    .courses-preview,
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}