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

:root {
    --primary-color: #2c5aa0;
    --secondary-color: #3d6fb8;
    --accent-color: #1a3d6d;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --light-gray: #dee2e6;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

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

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

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

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.cart-link {
    display: flex;
    align-items: center;
    gap: 5px;
}

#cart-count {
    background: var(--danger);
    color: var(--white);
    border-radius: 50%;
    padding: 2px 7px;
    font-size: 0.8rem;
    font-weight: bold;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

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

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

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

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

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

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(44, 90, 160, 0.3);
}

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

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

.quote-section {
    background: var(--light-bg);
    padding: 60px 0;
    text-align: center;
}

.quote-content {
    max-width: 800px;
    margin: 0 auto;
}

.quote-content i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.quote-content blockquote {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 20px;
}

.quote-content cite {
    font-size: 1.1rem;
    color: var(--gray);
    font-style: normal;
}

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

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

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.advantage-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

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

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    display: block;
    font-size: 1rem;
    color: var(--gray);
}

.detailed-info {
    background: var(--light-bg);
    padding: 80px 0;
}

.detailed-info h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.info-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

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

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

.diagram-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
}

.audit-diagram {
    width: 100%;
    height: auto;
}

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

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

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

.product-card {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.product-image {
    width: 100%;
    height: 300px;
    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: 25px;
}

.product-info h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.product-info p {
    font-size: 0.95rem;
    color: var(--gray);
    margin-bottom: 15px;
}

.product-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.product-detail {
    padding: 80px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

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

.product-detail-info h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.product-price-large {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 30px;
}

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

.product-description ul {
    list-style: none;
    margin-bottom: 20px;
}

.product-description ul li {
    padding: 10px 0;
    border-bottom: 1px solid var(--light-gray);
}

.product-description ul li i {
    color: var(--success);
    margin-right: 10px;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.product-actions .btn {
    flex: 1;
    text-align: center;
}

.cart-section {
    padding: 80px 0;
    min-height: 60vh;
}

.cart-section h1 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto auto auto;
    gap: 20px;
    align-items: center;
    padding: 20px;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

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

.cart-item-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

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

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-controls button {
    width: 30px;
    height: 30px;
    border: none;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
}

.quantity-controls span {
    font-size: 1.1rem;
    font-weight: bold;
    min-width: 30px;
    text-align: center;
}

.remove-item {
    background: var(--danger);
    color: var(--white);
    border: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.remove-item:hover {
    background: #c82333;
}

.cart-summary {
    background: var(--light-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-top: 30px;
}

.cart-total {
    text-align: right;
    margin-bottom: 20px;
}

.cart-total h3 {
    font-size: 2rem;
    color: var(--primary-color);
}

.btn-checkout {
    width: 100%;
    padding: 15px;
    font-size: 1.2rem;
}

#empty-cart {
    text-align: center;
    padding: 60px 0;
}

#empty-cart p {
    font-size: 1.5rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.checkout-section {
    padding: 80px 0;
}

.checkout-section h1 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.checkout-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.checkout-form-container h2,
.order-summary h2 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--text-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

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

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

.order-summary {
    background: var(--light-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    height: fit-content;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--light-gray);
}

.summary-total {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--light-gray);
}

.summary-total h3 {
    display: flex;
    justify-content: space-between;
    font-size: 1.8rem;
    color: var(--primary-color);
}

.btn-submit {
    width: 100%;
    padding: 15px;
    font-size: 1.2rem;
    margin-top: 20px;
}

.success-section {
    padding: 100px 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-content {
    text-align: center;
    max-width: 600px;
}

.success-icon {
    font-size: 5rem;
    color: var(--success);
    margin-bottom: 30px;
}

.success-content h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.success-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 15px;
}

.success-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 40px;
}

.contact-hero,
.about-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.contact-hero h1,
.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.contact-hero p,
.about-hero p {
    font-size: 1.3rem;
}

.contact-section {
    padding: 80px 0;
}

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

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.contact-details p {
    color: var(--gray);
}

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

.contact-form {
    background: var(--light-bg);
    padding: 30px;
    border-radius: var(--border-radius);
}

#form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--border-radius);
    text-align: center;
}

#form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.about-content {
    padding: 80px 0;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

.team-section {
    padding: 80px 0;
    background: var(--light-bg);
}

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

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

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

.team-card:hover {
    transform: translateY(-10px);
}

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

.team-card h3 {
    font-size: 1.5rem;
    margin: 20px 0 10px;
    color: var(--text-color);
}

.team-position {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.team-card p:last-child {
    padding: 0 20px 20px;
    color: var(--gray);
    line-height: 1.6;
}

.values-section {
    padding: 80px 0;
}

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

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.value-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.value-card p {
    color: var(--gray);
    line-height: 1.6;
}

footer {
    background: var(--accent-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.footer-section p {
    margin-bottom: 15px;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

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

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--success);
    color: var(--white);
    padding: 15px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: none;
    z-index: 1001;
    animation: slideIn 0.3s ease;
}

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

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    padding: 20px;
    z-index: 1000;
    display: none;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.cookie-content p {
    margin: 0;
    flex: 1;
}

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

.cookie-buttons {
    display: flex;
    gap: 10px;
}

.btn-cookie {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-cookie.accept:hover {
    background: #218838;
}

.btn-cookie.decline {
    background: var(--gray);
    color: var(--white);
}

.btn-cookie.decline:hover {
    background: #5a6268;
}

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--box-shadow);
        padding: 20px 0;
    }

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

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

    .hero-content p {
        font-size: 1.1rem;
    }

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

    .cart-item {
        grid-template-columns: 80px 1fr;
        gap: 10px;
    }

    .cart-item img {
        width: 80px;
        height: 80px;
    }

    .cart-item-info {
        grid-column: 1 / -1;
    }

    .quantity-controls {
        grid-column: 1 / -1;
        justify-content: center;
    }

    .remove-item {
        grid-column: 1 / -1;
    }

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

    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }

    .btn-cookie {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .advantages-grid,
    .products-grid,
    .team-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
}