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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --success: #27ae60;
    --border-radius: 8px;
    --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;
}

#reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    z-index: 10000;
    transition: width 0.1s ease;
}

header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    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;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

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

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

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--accent-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;
}

.lang-toggle {
    background-color: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

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

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

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

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

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s backwards;
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

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

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

.btn-secondary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.features {
    padding: 5rem 0;
    background-color: 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-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

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

.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;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--gray);
    font-size: 1.1rem;
}

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

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

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

.about-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: justify;
}

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

.badge {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
}

.badge svg {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.badge p {
    font-weight: 600;
    color: var(--primary-color);
}

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

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

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

.product-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.product-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

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

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

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-size: 1.5rem;
}

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

.product-price {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

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

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

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

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

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

.footer-col h4 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.footer-col p,
.footer-col ul {
    color: rgba(255,255,255,0.8);
}

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

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

.footer-col ul li a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

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

.social-links a {
    color: var(--white);
    transition: var(--transition);
}

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

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

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    padding: 1.5rem;
    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(--secondary-color);
    text-decoration: underline;
}

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

.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background-color: var(--success);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 9999;
    opacity: 0;
    transform: translateX(400px);
    transition: var(--transition);
}

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

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

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

.product-detail-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

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

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

.product-description {
    margin-bottom: 2rem;
    line-height: 1.8;
}

.product-features {
    background-color: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

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

.product-features ul {
    list-style: none;
}

.product-features ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.product-features ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

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

.cart-page,
.checkout-page,
.success-page,
.contact-page,
.about-page {
    padding: 3rem 0;
    min-height: 60vh;
}

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

.cart-items {
    background-color: var(--white);
    border-radius: var(--border-radius);
    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(--light-gray);
    align-items: center;
}

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

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

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

.cart-item-price {
    font-size: 1.25rem;
    color: var(--accent-color);
    font-weight: bold;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
}

.qty-btn {
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.remove-btn {
    background-color: var(--accent-color);
    color: var(--white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.remove-btn:hover {
    background-color: #c0392b;
}

.cart-summary {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    position: sticky;
    top: 100px;
}

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

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

.summary-row:last-child {
    border-bottom: none;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.empty-cart {
    text-align: center;
    padding: 3rem;
}

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

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

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.success-message {
    text-align: center;
    padding: 3rem;
}

.success-icon {
    width: 80px;
    height: 80px;
    background-color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
}

.success-icon svg {
    color: var(--white);
}

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

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

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

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

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

.team-member {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.team-member img {
    border-radius: 50%;
    margin-bottom: 1rem;
    object-fit: cover;
}

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

.team-member p:first-of-type {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

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

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

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