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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #3498db;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gray: #7f8c8d;
    --dark-gray: #2c3e50;
    --success: #27ae60;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

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

header {
    background: var(--white);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    gap: 10px;
}

.logo img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.cart-link {
    position: relative;
    font-size: 1.2rem;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -12px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-gray) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s;
    animation-fill-mode: both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

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

.btn-secondary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.features {
    padding: 5rem 0;
    background: var(--light-bg);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

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

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.stat-item {
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--gray);
    font-weight: 500;
}

.about-courses {
    padding: 5rem 0;
    background: var(--white);
}

.about-courses h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.about-text {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    margin-bottom: 1.5rem;
    text-align: justify;
    line-height: 1.8;
    color: var(--text-color);
}

.poll-section {
    padding: 5rem 0;
    background: var(--light-bg);
}

.poll-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.poll-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.poll-container h3 {
    margin-bottom: 2rem;
    color: var(--primary-color);
    text-align: center;
}

.poll-option {
    margin-bottom: 1.5rem;
}

.poll-option input[type="radio"] {
    display: none;
}

.poll-option label {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    gap: 1rem;
}

.poll-option label i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.poll-option input[type="radio"]:checked + label {
    border-color: var(--secondary-color);
    background: #fef5f5;
}

.poll-option label:hover {
    border-color: var(--accent-color);
    background: #f8f9fa;
}

#pollForm .btn {
    width: 100%;
    margin-top: 1rem;
}

.poll-results {
    margin-top: 2rem;
}

.poll-results h4 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.result-bar {
    margin-bottom: 1.5rem;
}

.result-label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.result-progress {
    position: relative;
    height: 30px;
    background: #e0e0e0;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.result-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
}

.result-percent {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 600;
    color: var(--primary-color);
}

.courses {
    padding: 5rem 0;
    background: var(--white);
}

.courses h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.course-image {
    position: relative;
    width: 100%;
    height: 250px;
    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-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.course-content {
    padding: 1.5rem;
}

.course-content h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.course-content p {
    margin-bottom: 1rem;
    color: var(--gray);
}

.course-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray);
    font-size: 0.9rem;
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
}

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

.footer-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 1rem;
}

.contact-info i {
    margin-top: 3px;
    color: var(--secondary-color);
}

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

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -5px 20px rgba(0,0,0,0.2);
    padding: 2rem;
    z-index: 10000;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

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

.cookie-text h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.cookie-text p {
    margin-bottom: 0.5rem;
    color: var(--gray);
}

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

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.product-detail {
    padding: 3rem 0;
}

.product-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.product-image-main {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.product-image-main img {
    width: 100%;
    border-radius: var(--border-radius);
}

.product-info h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.product-price {
    font-size: 2.5rem;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.product-description {
    margin-bottom: 2rem;
    line-height: 1.8;
    color: var(--text-color);
}

.product-meta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
}

.product-meta-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.product-meta-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.product-actions {
    display: flex;
    gap: 1rem;
}

.product-actions .btn {
    flex: 1;
}

.product-tabs {
    margin-top: 3rem;
}

.tab-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid #e0e0e0;
}

.tab-button {
    padding: 1rem 2rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.tab-button.active {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

.tab-content {
    display: none;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
}

.tab-content.active {
    display: block;
}

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

.tab-content ul {
    margin-left: 2rem;
    line-height: 2;
}

.cart-page {
    padding: 3rem 0;
    min-height: 60vh;
}

.cart-empty {
    text-align: center;
    padding: 5rem 0;
}

.cart-empty i {
    font-size: 5rem;
    color: var(--gray);
    margin-bottom: 1rem;
}

.cart-empty h2 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.cart-items {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 2rem;
    padding: 2rem;
    border-bottom: 1px solid #e0e0e0;
    align-items: center;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.cart-item-details h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.cart-item-price {
    font-size: 1.3rem;
    color: var(--secondary-color);
    font-weight: 600;
}

.cart-item-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-end;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--light-bg);
    padding: 0.5rem;
    border-radius: var(--border-radius);
}

.quantity-control button {
    width: 30px;
    height: 30px;
    border: none;
    background: var(--white);
    cursor: pointer;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}

.quantity-control button:hover {
    background: var(--secondary-color);
    color: var(--white);
}

.remove-item {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.remove-item:hover {
    color: #c0392b;
}

.cart-summary {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.cart-summary h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
}

.summary-row.total {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    border-bottom: none;
    margin-top: 1rem;
}

.checkout-page {
    padding: 3rem 0;
}

.checkout-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
}

.checkout-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.checkout-form h2 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.order-summary {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    height: fit-content;
}

.order-summary h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.order-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
}

.order-item-name {
    flex: 1;
}

.order-item-quantity {
    color: var(--gray);
    margin-left: 1rem;
}

.order-item-price {
    font-weight: 600;
    color: var(--secondary-color);
}

.success-page {
    padding: 5rem 0;
    text-align: center;
}

.success-content {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.success-icon {
    width: 100px;
    height: 100px;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 3rem;
    color: var(--white);
}

.success-content h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.success-content p {
    margin-bottom: 2rem;
    color: var(--gray);
    line-height: 1.8;
}

.contact-page {
    padding: 3rem 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info-section {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.contact-info-section h2 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-form-section {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.contact-form-section h2 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.about-page {
    padding: 3rem 0;
}

.about-hero {
    text-align: center;
    margin-bottom: 4rem;
}

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

.about-hero p {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto;
}

.about-content {
    margin-bottom: 4rem;
}

.about-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-content p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    text-align: justify;
}

.team-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.team-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

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

.team-info {
    padding: 1.5rem;
}

.team-info h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.team-role {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-bio {
    color: var(--gray);
    line-height: 1.6;
}

.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--success);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    z-index: 9999;
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--box-shadow);
        padding: 2rem 0;
    }

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

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

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

    .features-grid {
        grid-template-columns: 1fr;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .product-container {
        grid-template-columns: 1fr;
    }

    .cart-item {
        grid-template-columns: 1fr;
    }

    .checkout-container {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .cookie-content {
        flex-direction: column;
    }

    .cookie-buttons {
        width: 100%;
    }

    .cookie-buttons .btn {
        flex: 1;
    }
}