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

:root {
    --primary-color: #1a365d;
    --secondary-color: #2c5282;
    --accent-color: #3182ce;
    --text-color: #2d3748;
    --light-bg: #f7fafc;
    --white: #ffffff;
    --gray: #718096;
    --dark-gray: #4a5568;
    --border-color: #e2e8f0;
    --success-color: #48bb78;
    --warning-color: #ed8936;
}

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;
}

.navbar {
    background-color: var(--primary-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    object-fit: cover;
}

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

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

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.cart-link {
    position: relative;
    display: flex;
    align-items: center;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background-color: var(--warning-color);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-cta {
    margin-top: 2rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #2c5282;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(49, 130, 206, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--light-bg);
    transform: translateY(-2px);
}

.btn-secondary-alt {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

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

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

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    min-width: 80px;
    background-color: var(--white);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.countdown-label {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--dark-gray);
    text-transform: uppercase;
    font-weight: 600;
}

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.feature-icon {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

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

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding: 2rem;
    background-color: var(--primary-color);
    border-radius: 8px;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

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

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

.product-description {
    max-width: 900px;
    margin: 0 auto;
}

.product-description p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.05rem;
}

.product-description h3 {
    color: var(--secondary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.products {
    padding: 5rem 0;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 3rem;
}

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

.product-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.product-description {
    color: var(--gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.product-price {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

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

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

.content-section {
    max-width: 900px;
    margin: 0 auto 3rem;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.content-section h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.content-section h4 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.chart-container {
    margin: 2rem 0;
}

.chart-disclaimer {
    background-color: var(--warning-color);
    color: var(--white);
    padding: 0.75rem;
    text-align: center;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.hypothetical-chart {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    min-height: 300px;
}

.custom-list {
    list-style: none;
    padding-left: 0;
}

.custom-list li {
    padding-left: 2rem;
    margin-bottom: 0.75rem;
    position: relative;
    line-height: 1.6;
}

.custom-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.disclosure-table {
    margin: 2rem 0;
}

.disclosure-table table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.disclosure-table th,
.disclosure-table td {
    padding: 1rem;
    text-align: left;
    border: 1px solid var(--border-color);
}

.disclosure-table th {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 600;
}

.disclosure-table tr:nth-child(even) {
    background-color: var(--light-bg);
}

.table-note {
    margin-top: 1rem;
    font-style: italic;
    color: var(--gray);
    font-size: 0.9rem;
}

.comparison-tool {
    margin: 2rem 0;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.scenario {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 2px solid var(--accent-color);
}

.scenario h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.comparison-note {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: var(--light-bg);
    border-left: 4px solid var(--warning-color);
    border-radius: 4px;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

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

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

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

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

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
}

.registration-number {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    transition: background-color 0.3s, transform 0.3s;
}

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

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

.disclaimer {
    background-color: var(--warning-color);
    color: var(--white);
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.6;
}

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 1.5rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
    z-index: 9999;
    display: none;
}

.cookie-consent.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-content p {
    margin-bottom: 1rem;
}

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

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

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

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

.product-detail-image {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
}

.product-detail-image img {
    width: 100%;
    height: auto;
}

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

.product-detail-price {
    font-size: 2.5rem;
    color: var(--accent-color);
    font-weight: 700;
    margin: 1.5rem 0;
}

.product-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.product-full-description {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 3rem;
}

.product-full-description h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.cart-page h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.cart-items {
    background-color: var(--white);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 1.5rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

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

.cart-item-image img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
}

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

.cart-item-price {
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 600;
}

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

.quantity-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.quantity-controls button {
    width: 30px;
    height: 30px;
    border: 1px solid var(--border-color);
    background-color: var(--white);
    cursor: pointer;
    border-radius: 4px;
    font-size: 1rem;
}

.quantity-controls input {
    width: 50px;
    text-align: center;
    border: 1px solid var(--border-color);
    padding: 0.25rem;
    border-radius: 4px;
}

.remove-item {
    color: var(--warning-color);
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: underline;
}

.cart-summary {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    max-width: 400px;
    margin-left: auto;
}

.cart-summary h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-cart svg {
    opacity: 0.3;
    margin-bottom: 1rem;
}

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

.checkout-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

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

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

.success-icon {
    color: var(--success-color);
    margin-bottom: 2rem;
}

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

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

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

.contact-info {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item svg {
    color: var(--accent-color);
    flex-shrink: 0;
}

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

.about-hero {
    text-align: center;
    margin-bottom: 3rem;
}

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

.about-content {
    max-width: 900px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.team-section {
    padding: 3rem 0;
    background-color: var(--light-bg);
}

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

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

.team-member {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
    padding: 1.5rem;
}

.team-member img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 1rem;
}

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

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

.notification {
    position: fixed;
    top: 80px;
    right: 20px;
    background-color: var(--success-color);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 9999;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .countdown {
        gap: 1rem;
    }

    .countdown-number {
        font-size: 2rem;
        min-width: 60px;
    }

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

    .product-detail-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .cart-item-actions {
        align-items: flex-start;
    }

    .cta-buttons {
        flex-direction: column;
    }

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