:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #1e293b;
    --text-dark: #0f172a;
    --text-light: #475569;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
}

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

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

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

.main-header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-primary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo img {
    border-radius: 8px;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 8px 0;
}

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

.hero-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    color: var(--bg-white);
}

.hero-banner .container-fluid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background-color: var(--bg-white);
    color: var(--primary-color);
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.learning-outcomes {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.learning-outcomes h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.outcome-card {
    background-color: var(--bg-white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.outcome-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.outcome-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.outcome-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.outcome-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.beginner-mistakes {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.beginner-mistakes h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.mistakes-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.mistake-item {
    display: flex;
    gap: 25px;
    margin-bottom: 35px;
    padding: 25px;
    background-color: var(--bg-light);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.mistake-item:hover {
    transform: translateX(5px);
}

.mistake-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 60px;
}

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

.mistake-content p {
    color: var(--text-light);
    line-height: 1.7;
}

.platform-features {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.platform-features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.features-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.feature-visual img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-detail {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.feature-detail i {
    font-size: 1.8rem;
    color: var(--success-color);
    margin-top: 5px;
}

.feature-detail h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.feature-detail p {
    color: var(--text-light);
    line-height: 1.7;
}

.testimonials-section {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.testimonials-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--text-dark);
}

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

.testimonial-card {
    background-color: var(--bg-light);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.testimonial-stars {
    color: var(--warning-color);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

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

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.95rem;
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    color: var(--bg-white);
}

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

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-button-secondary {
    display: inline-block;
    background-color: var(--bg-white);
    color: var(--primary-color);
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.main-footer {
    background-color: var(--secondary-color);
    color: var(--bg-white);
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--bg-white);
}

.footer-section p {
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--bg-white);
    transition: color 0.3s ease;
}

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

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #cbd5e1;
}

.contact-info li i {
    margin-top: 5px;
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #cbd5e1;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--secondary-color);
    color: var(--bg-white);
    padding: 25px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    display: none;
}

.cookie-banner.active {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.cookie-text h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.cookie-text p {
    color: #cbd5e1;
    line-height: 1.6;
}

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

.cookie-buttons {
    display: flex;
    gap: 15px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.cookie-btn:hover {
    transform: scale(1.05);
}

.cookie-btn.accept {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

.cookie-btn.reject {
    background-color: transparent;
    color: var(--bg-white);
    border: 2px solid var(--bg-white);
}

.blog-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 0;
    text-align: center;
    color: var(--bg-white);
}

.blog-header h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.blog-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.blog-grid {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.posts-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
}

.post-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.post-thumbnail img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.post-content {
    padding: 30px;
}

.post-meta {
    display: flex;
    gap: 20px;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.post-content h2 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.post-content h2 a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.post-content h2 a:hover {
    color: var(--primary-color);
}

.post-excerpt {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.read-more:hover {
    gap: 12px;
}

.contact-page {
    padding: 80px 0;
    background-color: var(--bg-light);
}

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

.contact-info-section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.contact-details {
    margin-top: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.contact-form-section {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.contact-form-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 15px 35px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.submit-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.success-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.success-modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-white);
    padding: 50px;
    border-radius: 12px;
    text-align: center;
    max-width: 500px;
}

.modal-content i {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

.modal-content h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.modal-content p {
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.7;
}

.modal-btn {
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.about-page {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.about-intro {
    max-width: 900px;
    margin: 0 auto 80px;
    text-align: center;
}

.about-intro h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.about-intro p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.team-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.team-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.team-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.team-info {
    padding: 30px;
}

.team-info h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

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

.team-info p {
    color: var(--text-light);
    line-height: 1.7;
}

.post-article {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.article-header {
    max-width: 900px;
    margin: 0 auto 40px;
    text-align: center;
}

.article-header h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-dark);
    line-height: 1.3;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 25px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.featured-image {
    max-width: 900px;
    margin: 0 auto 50px;
}

.featured-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.article-content {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-white);
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.article-content h2 {
    font-size: 2rem;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.article-content h3 {
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.article-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 30px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-banner .container-fluid,
    .features-display,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .outcomes-grid,
    .testimonials-grid,
    .posts-container,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .article-content {
        padding: 30px 20px;
    }
}

@media (max-width: 600px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .learning-outcomes h2,
    .beginner-mistakes h2,
    .platform-features h2,
    .testimonials-section h2 {
        font-size: 2rem;
    }

    .article-header h1 {
        font-size: 1.8rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 10px;
    }
}