/* style.css – ПК Аэрофильтр */
:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --secondary: #0ea5e9;
    --accent: #38bdf8;
    --dark: #0f172a;
    --light: #f0f9ff;
    --white: #ffffff;
    --gray: #64748b;
    --shadow: 0 5px 20px rgba(2, 132, 199, 0.1);
    --transition: all 0.3s ease;
    
    --dark-bg: #0a1929;
    --dark-surface: #132f4c;
    --dark-text: #e6f0ff;
    --dark-primary: #1e88e5;
    --dark-accent: #4fc3f7;
    --dark-contact-mini: #0b2a45;
}

[data-theme="dark"] {
    --primary: #1e88e5;
    --primary-dark: #1565c0;
    --secondary: #42a5f5;
    --accent: #4fc3f7;
    --dark: #e6f0ff;
    --light: #132f4c;
    --white: #0a1929;
    --gray: #90a4ae;
    --shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

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

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body,
header,
footer,
section,
div,
article,
nav,
a,
button,
input,
textarea,
.header,
.footer,
.product-card,
.info-block,
.feature-card,
.category-card,
.faq-item,
.contact-mini {
    transition: background-color 0.3s ease, color 0.2s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #f8fafc;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

[data-theme="dark"] body {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

main {
    flex: 1;
}

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

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px 16px;
    z-index: 1000;
    text-decoration: none;
    border-radius: 0 0 8px 0;
    transition: top 0.3s;
}
.skip-link:focus {
    top: 0;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    text-decoration: none;
}
.logo i {
    color: var(--primary);
    font-size: 2rem;
}
.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}
.nav-list {
    display: flex;
    list-style: none;
    gap: 25px;
}
.nav-list a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
}
.nav-list a:hover,
.nav-list a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.nav-icons {
    display: flex;
    gap: 15px;
    align-items: center;
}
.nav-icons a {
    color: var(--dark);
    font-size: 1.125rem;
    transition: var(--transition);
}
.nav-icons a:hover {
    color: var(--primary);
}
.theme-toggle {
    background: none;
    border: 1px solid var(--gray);
    color: var(--dark);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.125rem;
    transition: var(--transition);
    margin-left: 5px;
}
.theme-toggle:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 80px 0;
    margin-bottom: 60px;
}
[data-theme="dark"] .hero {
    color: #ffffff;
}
.hero-content {
    max-width: 600px;
}
.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}
.hero-description {
    font-size: 1.125rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}
.btn-primary {
    background: var(--white);
    color: var(--primary-dark);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.btn-primary:hover {
    background: #e2e8f0;
    transform: translateY(-2px);
}
.btn-secondary {
    background: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary);
}
.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}
[data-theme="dark"] .btn-primary {
    background: var(--primary);
    color: white;
}
[data-theme="dark"] .btn-primary:hover {
    background: var(--primary-dark);
}
[data-theme="dark"] .btn-secondary {
    color: var(--primary);
    border-color: var(--primary);
}
[data-theme="dark"] .btn-secondary:hover {
    background: var(--primary);
    color: white;
}

/* Features */
.features {
    padding: 40px 0;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.feature-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.feature-card:hover {
    transform: translateY(-5px);
}
.feature-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
}
.feature-card h2 {
    margin-bottom: 10px;
    color: var(--primary-dark);
    font-size: 1.5rem;
}

/* About short */
.about-short {
    padding: 60px 0;
    background: var(--light);
}
.about-short-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}
.certificate {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}
.certificate i {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 15px;
}

/* Section titles */
.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 40px;
    color: var(--primary-dark);
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--primary);
    margin: 15px auto 0;
}

/* Categories grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}
.category-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    color: var(--dark);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.category-card:hover {
    transform: translateY(-5px);
    background: var(--primary);
    color: white;
}
.category-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 15px;
}
.category-card:hover i {
    color: white;
}
.category-card h3 {
    margin-bottom: 8px;
}

/* Products grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}
.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 100%;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(2,132,199,0.15);
}
.product-image {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    background: var(--light);
    overflow: hidden;
}
.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--light);
}
.product-image i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: var(--primary);
}
.product-info {
    padding: 20px 20px 10px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-info h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--dark);
}
.product-spec {
    color: var(--gray);
    font-size: 0.875rem;
    margin-bottom: 12px;
}
.product-price {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 10px;
}
.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 0.875rem;
    color: var(--gray);
}
.product-min-qty i,
.product-delivery i {
    margin-right: 5px;
    color: var(--primary);
}
.product-delivery {
    text-align: right;
}
.product-card .btn {
    width: calc(100% - 40px);
    margin: 0 20px 20px;
    text-align: center;
    position: relative;
    z-index: 20;
}
.product-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Индикация товара в корзине на карточке */
.product-card .btn.in-cart {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.product-card .btn.in-cart i {
    margin-right: 5px;
}

.text-center {
    text-align: center;
}
.page-title {
    font-size: 2.625rem;
    color: var(--primary-dark);
    margin: 40px 0 30px;
    text-align: center;
}

/* Catalog filter */
.catalog-filter {
    margin-bottom: 30px;
}
.filter-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    overflow-x: auto;
    padding-bottom: 5px;
    -webkit-overflow-scrolling: touch;
}
.filter-categories::-webkit-scrollbar {
    height: 4px;
}
.filter-categories::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}
.filter-btn {
    padding: 8px 20px;
    background: var(--white);
    border: 1px solid var(--primary);
    border-radius: 30px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    color: var(--primary-dark);
    white-space: nowrap;
    flex-shrink: 0;
}
.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.filter-btn[aria-pressed="true"] {
    background: var(--primary);
    color: var(--white);
}

/* About page */
.about-content {
    max-width: 900px;
    margin: 0 auto;
}
.about-text p {
    margin-bottom: 20px;
    font-size: 1.125rem;
}
.about-stats {
    display: flex;
    justify-content: space-around;
    margin: 50px 0;
    text-align: center;
}
.stat-item {
    display: flex;
    flex-direction: column;
}
.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}
.stat-label {
    font-size: 1.125rem;
    color: var(--gray);
}

/* Contact block */
.contact-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.contact-list {
    list-style: none;
    margin-bottom: 30px;
}
.contact-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.contact-list i {
    width: 20px;
    color: var(--primary);
    margin-top: 3px;
}
.contact-list strong {
    font-weight: 500;
    margin-right: 5px;
}
.contact-list a {
    color: var(--primary-dark);
    text-decoration: none;
}
.contact-list a:hover {
    text-decoration: underline;
}

/* Map */
.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-top: 20px;
    height: 400px;
    background: #e0f2fe;
}
.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* Info blocks */
.info-block {
    background: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}
.info-block h2,
.info-block h3 {
    color: var(--primary-dark);
    margin-bottom: 20px;
    font-size: 1.375rem;
}
.info-block ul {
    list-style: none;
    padding: 0;
}
.info-block ul li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.info-block ul li i {
    color: var(--primary);
    width: 24px;
    margin-top: 3px;
}

/* Contact mini */
.contact-mini {
    background: var(--primary-dark);
    color: white;
    padding: 30px 0;
    margin-top: 60px;
}
[data-theme="dark"] .contact-mini {
    background: var(--dark-contact-mini);
}
.contact-mini-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}
.contact-mini-item {
    display: flex;
    align-items: center;
    gap: 15px;
}
.contact-mini-item i {
    font-size: 1.5rem;
    color: var(--accent);
}
.contact-mini-item a {
    color: white;
    text-decoration: none;
}
.contact-mini-item a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--dark);
    color: #cbd5e1;
    padding-top: 50px;
    margin-top: auto;
}
[data-theme="dark"] .footer {
    background: #05101a;
}
.footer-container {
    display: grid;
    grid-template-columns: 2fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-col h3,
.footer-col h4 {
    margin-bottom: 20px;
    color: white;
}
.footer-col h3 i {
    margin-right: 10px;
    color: var(--accent);
}
.footer-col p {
    color: #cbd5e1;
}
.footer-contacts {
    list-style: none;
}
.footer-contacts li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #cbd5e1;
}
.footer-contacts i {
    width: 20px;
    color: var(--accent);
}
.footer-contacts a {
    color: #cbd5e1;
    text-decoration: none;
}
.footer-contacts a:hover {
    color: white;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    color: #94a3b8;
    font-size: 0.875rem;
}

/* FAQ – аккордеон */
.faq-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 40px;
}
.faq-item {
    background: var(--white);
    border-radius: 12px;
    padding: 0;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.faq-question {
    font-weight: 700;
    color: var(--primary-dark);
    margin: 0;
    padding: 20px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: background 0.2s;
}
.faq-question:hover {
    background: rgba(2, 132, 199, 0.05);
}
.faq-question i:first-child {
    color: var(--primary);
    margin-right: 10px;
}
.faq-question::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: auto;
    transition: transform 0.3s;
    color: var(--gray);
}
.faq-item.active .faq-question::after {
    transform: rotate(180deg);
}
.faq-answer {
    color: var(--dark);
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.active .faq-answer {
    padding: 0 20px 20px 20px;
    max-height: 500px;
}

/* Cart */
.cart-icon {
    position: relative;
    color: var(--dark);
    font-size: 1.125rem;
    transition: var(--transition);
    text-decoration: none;
}
.cart-icon:hover {
    color: var(--primary);
}
.cart-count {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--primary);
    color: white;
    font-size: 0.688rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.cart-modal,
.order-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}
.cart-modal.active,
.order-modal.active {
    opacity: 1;
    visibility: visible;
}
.cart-content,
.order-content {
    background: var(--white);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.cart-header,
.order-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e2e8f0;
}
.cart-header h3,
.order-header h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin: 0;
}
.cart-close,
.order-close {
    background: none;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
    padding: 0 5px;
}
.cart-close:hover,
.order-close:hover {
    color: var(--primary);
}
.cart-items {
    margin-bottom: 20px;
}
.cart-empty {
    text-align: center;
    padding: 30px 0;
    color: var(--gray);
}
.cart-empty i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #cbd5e1;
}
.cart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid #f1f5f9;
}
.cart-item-info {
    flex: 1;
}
.cart-item-title {
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 5px;
}
.cart-item-price {
    color: var(--primary-dark);
    font-weight: 600;
}
.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}
.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 8px;
}
.cart-item-quantity button {
    width: 28px;
    height: 28px;
    border: 1px solid #cbd5e1;
    background: var(--white);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    color: var(--dark);
}
.cart-item-quantity button:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.cart-item-quantity span {
    min-width: 24px;
    text-align: center;
    font-weight: 500;
}
.cart-item-remove {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 1.125rem;
    padding: 5px;
    transition: var(--transition);
}
.cart-item-remove:hover {
    color: #dc2626;
}
.cart-footer {
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}
.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 1.125rem;
}
.cart-total strong {
    color: var(--primary-dark);
    font-size: 1.5rem;
}
.cart-actions {
    display: flex;
    gap: 15px;
}
.cart-actions .btn {
    flex: 1;
    text-align: center;
}

.order-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.order-form input,
.order-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--white);
    color: var(--dark);
}
.order-form input:focus,
.order-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}
[data-theme="dark"] .order-form input,
[data-theme="dark"] .order-form textarea {
    background: var(--dark-surface);
    color: var(--dark-text);
    border-color: #334155;
}
.order-summary {
    background: var(--light);
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
}
.order-summary h4 {
    margin-bottom: 10px;
    color: var(--primary-dark);
}
#orderSummaryPreview {
    max-height: 200px;
    overflow-y: auto;
    font-size: 0.875rem;
    margin-bottom: 10px;
}
.order-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px dashed #cbd5e1;
}
.form-note {
    font-size: 0.75rem;
    color: var(--gray);
    text-align: center;
    margin-top: 5px;
}

/* Notifications */
.notification-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 350px;
    width: 100%;
    pointer-events: none;
}
.notification {
    pointer-events: auto;
    background: var(--white);
    color: var(--dark);
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    border-left: 5px solid var(--primary);
}
.notification.show {
    transform: translateX(0);
    opacity: 1;
}
.notification span {
    font-weight: 500;
    flex: 1;
}
.notification-close {
    background: none;
    border: none;
    font-size: 1.375rem;
    cursor: pointer;
    color: var(--gray);
    transition: var(--transition);
    padding: 0 5px;
    line-height: 1;
}
.notification-close:hover {
    color: var(--dark);
}
.notification-success {
    border-left-color: #10b981;
    background: #f0fdf4;
}
[data-theme="dark"] .notification-success {
    background: #064e3b;
    color: #ecfdf5;
}
.notification-info {
    border-left-color: var(--primary);
}
[data-theme="dark"] .notification-info {
    background: var(--dark-surface);
    color: var(--dark-text);
}
.notification-warning {
    border-left-color: #f59e0b;
    background: #fffbeb;
}
[data-theme="dark"] .notification-warning {
    background: #78350f;
    color: #fef3c7;
}

/* Product page */
.product-page-container {
    padding: 40px 0;
}
.product-breadcrumbs {
    margin-bottom: 30px;
    color: var(--gray);
}
.product-breadcrumbs a {
    color: var(--primary);
    text-decoration: none;
}
.product-breadcrumbs a:hover {
    text-decoration: underline;
}
.product-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.product-gallery-image {
    background: var(--light);
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.product-details h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-dark);
}
.product-price-large {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 15px;
}
.product-meta-large {
    display: flex;
    gap: 30px;
    margin-bottom: 25px;
    color: var(--gray);
}
.product-meta-large i {
    color: var(--primary);
    margin-right: 8px;
}
.product-description {
    font-size: 1rem;
    margin-bottom: 30px;
    line-height: 1.7;
}
.add-to-cart-large {
    padding: 15px 40px;
    font-size: 1.125rem;
}
.add-to-cart-large i {
    margin-right: 10px;
}
.product-specs {
    margin-top: 20px;
}
.specs-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px 30px;
}
.specs-list li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--gray);
}

.specs-table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
}
.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    min-width: 600px;
}
.specs-table th,
.specs-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}
.specs-table th {
    background-color: var(--light);
    font-weight: 600;
    color: var(--primary-dark);
}
.specs-table tr:hover {
    background-color: rgba(2, 132, 199, 0.05);
}
[data-theme="dark"] .specs-table th {
    background-color: var(--dark-surface);
    color: var(--dark-text);
}
[data-theme="dark"] .specs-table td {
    border-bottom-color: #334155;
}

.delivery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* ==================== МОБИЛЬНАЯ АДАПТАЦИЯ ==================== */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .header-container {
        height: 70px;
    }
    .logo {
        font-size: 1.125rem;
    }
    .logo i {
        font-size: 1.5rem;
    }

    .hero {
        padding: 50px 0;
        margin-bottom: 40px;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero-description {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .about-short {
        padding: 40px 0;
    }
    .about-short-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .certificate {
        padding: 20px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 25px;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .category-card {
        padding: 20px 15px;
    }
    .category-card i {
        font-size: 2rem;
    }
    .category-card h3 {
        font-size: 1rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .product-card .btn {
        width: calc(100% - 30px);
        margin: 0 15px 15px;
        padding: 10px 15px;
        font-size: 0.875rem;
    }

    .contact-row {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 25px;
    }
    .footer-contacts li {
        justify-content: center;
    }

    .contact-mini {
        padding: 20px 0;
        margin-top: 40px;
    }
    .contact-mini-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .contact-mini-item {
        font-size: 0.875rem;
    }

    .product-main {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .product-details h1 {
        font-size: 1.5rem;
    }
    .product-price-large {
        font-size: 1.5rem;
    }
    .specs-list {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 2rem;
        margin: 30px 0 20px;
    }

    .info-block {
        padding: 20px;
    }

    .delivery-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .faq-question {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }

    .nav-list {
        display: none;
    }
    .nav-list.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 15px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        z-index: 99;
        gap: 10px;
    }
    .nav-list.open li {
        width: 100%;
        text-align: center;
    }
    .nav-list.open a {
        display: block;
        padding: 10px;
    }
    .mobile-menu-btn {
        display: block;
        font-size: 1.5rem;
    }

    .cart-content,
    .order-content {
        padding: 20px;
        width: 95%;
    }
    .cart-header h3,
    .order-header h3 {
        font-size: 1.25rem;
    }

    .filter-categories {
        justify-content: flex-start;
        flex-wrap: nowrap;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    .hero-description {
        font-size: 0.9375rem;
    }

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

    .product-card .product-info h3 {
        font-size: 1rem;
    }
    .product-price {
        font-size: 1.25rem;
    }

    .page-title {
        font-size: 1.75rem;
    }

    .feature-card h2 {
        font-size: 1.25rem;
    }
    .feature-card p {
        font-size: 0.875rem;
    }

    .about-text p {
        font-size: 0.9375rem;
    }

    .certificate {
        max-width: 100%;
    }

    .footer-col h3,
    .footer-col h4 {
        font-size: 1.125rem;
    }

    .contact-mini-item {
        font-size: 0.8125rem;
    }
}