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

:root {
    /* Cascate Porte цветовая схема - серые оттенки */
    --primary-color: #444; /* Серый */
    --primary-color-hover: #333; /* Темнее при наведении */
    --secondary-color: #666; /* Светло-серый акцент */
    --accent-color: #888; /* Средне-серый акцент */
    --text-dark: #333; /* Темно-серый для текста */
    --text-light: #666; /* Средний серый для вторичного текста */
    --bg-light: #F5F5F5; /* Светло-серый фон */
    --bg-top-nav: #FAFAFA; /* Почти белый фон */
    --border-color: #DDD; /* Светло-серый для границ */
    --white: #ffffff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: "PT Sans", Arial, Helvetica, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    font-weight: 400;
    margin-left: 90px; /* Space for vertical navbar */
}

/* Элегантная типографика для заголовков */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', 'Times New Roman', serif;
    font-weight: 400;
    color: var(--text-dark);
    letter-spacing: 0.3px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Top Navigation */
.top-nav {
    background-color: var(--bg-top-nav);
    padding: 10px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}

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

.top-nav-left {
    display: flex;
    gap: 20px;
}

.top-nav-left a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
}

.top-nav-left a:hover {
    color: var(--primary-color);
}

.top-nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.working-hours {
    color: var(--text-light);
}

.phone {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
}

.callback-link {
    color: var(--primary-color);
    text-decoration: none;
}

/* Main Navigation - Vertical Sidebar */
.main-nav {
    background-color: var(--white);
    border-right: 1px solid var(--border-color);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 90px;
    z-index: 1000;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.nav-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 10px;
    flex: 0 0 auto;
}

.nav-middle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 20px 10px;
}

.nav-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 10px;
    flex: 0 0 auto;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 90px;
}

.logo-image {
    height: 55px;
    width: auto;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    transform: rotate(-90deg);
    transform-origin: center center;
}

.nav-icon {
    font-size: 24px;
    text-decoration: none;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    color: var(--text-dark);
    border-radius: 8px;
}

.nav-icon svg {
    width: 24px;
    height: 24px;
}

.nav-icon:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.favorite-icon svg {
    stroke: var(--text-dark);
    fill: none;
}

.favorite-icon:hover svg {
    stroke: var(--secondary-color);
}

.cart-icon {
    position: relative;
}

.cart-icon svg {
    stroke: var(--text-dark);
    fill: none;
}

.cart-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: var(--primary-color);
    color: white;
    font-size: 10px;
    font-weight: 600;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* Secondary Navigation Wrapper */
.secondary-nav-wrapper {
    position: relative;
}

/* Secondary Navigation */
.secondary-nav {
    background-color: var(--white);
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color);
}

.secondary-nav .container {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.secondary-nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    white-space: nowrap;
    font-weight: 700;
    position: relative;
    text-transform: uppercase;
    font-family: "PT Sans", Arial, Helvetica, sans-serif;
}

.secondary-nav a:hover {
    color: var(--primary-color);
}

/* Category Submenus */
.category-submenu {
    position: absolute;
    left: auto;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: var(--shadow-hover);
    display: none;
    z-index: 85;
    max-height: 400px;
    overflow-y: auto;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    width: auto;
    white-space: nowrap;
}

.category-submenu.active {
    display: block;
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.submenu-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 15px 20px;
    text-align: left;
}

.submenu-item {
    color: var(--text-light);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 4px;
    position: relative;
}

.submenu-item::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: #000;
    border: 2px solid #fff;
    margin-right: 10px;
    flex-shrink: 0;
}

.submenu-item:hover {
    color: var(--primary-color);
    background-color: var(--bg-light);
    padding-left: 16px;
}

/* Breadcrumbs */
.breadcrumbs {
    background-color: var(--bg-light);
    padding: 0;
    font-size: 14px;
}

.breadcrumbs a {
    color: var(--text-light);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

.separator {
    margin: 0 8px;
    color: var(--text-light);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 300px);
    padding: 30px 0;
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.chat-bubble {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-hover));
    color: white;
    padding: 16px 22px;
    border-radius: 30px;
    box-shadow: 0 4px 16px rgba(32, 178, 170, 0.3);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
    font-weight: 500;
}

.chat-bubble:hover {
    transform: scale(1.05);
}

/* Scroll to Top */
.scroll-top {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background-color: var(--bg-light);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
    padding: 12px 30px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
}

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

/* Page Title */
.page-title {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-dark);
    line-height: 1.2;
}

/* Main Catalog Mega Menu */
.catalog-mega-menu {
    position: fixed;
    top: 162px; /* Adjusted for header height */
    left: 0;
    right: 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-hover);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.4s ease;
    z-index: 90;
    max-height: 80vh;
    overflow-y: auto;
}

.catalog-mega-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.catalog-btn:hover ~ .catalog-mega-menu,
.catalog-btn:focus ~ .catalog-mega-menu,
.catalog-mega-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    padding: 40px 20px;
}

.mega-menu-section {
    padding: 0;
}

.mega-menu-section-wide {
    grid-column: span 2;
}

.mega-menu-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 8px;
}

.mega-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mega-menu-list li {
    margin-bottom: 10px;
}

.mega-menu-list li a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s;
    display: inline-block;
    padding: 2px 0;
}

.mega-menu-list li a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

/* Subsections for Furniture */
.mega-menu-subsections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.mega-menu-subsection h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.mega-menu-sublist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mega-menu-sublist li {
    margin-bottom: 8px;
}

.mega-menu-sublist li a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 12px;
    transition: all 0.3s;
    display: inline-block;
}

.mega-menu-sublist li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .mega-menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mega-menu-section-wide {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .mega-menu-grid {
        grid-template-columns: 1fr;
    }

    .catalog-mega-menu {
        max-height: 60vh;
    }
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    padding: 15px 20px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 10000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

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

.notification-success {
    border-left: 4px solid #28a745;
}

.notification-error {
    border-left: 4px solid #dc3545;
}


/* Анимации для уведомлений */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

/* Footer */
.footer {
    background-color: #D5D4CF;
    padding: 25px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 260px 1fr auto;
    gap: 40px;
    align-items: start;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 12px;
}


.footer-logo-image {
    height: 60px;
    width: auto;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.footer-brand-name {
    font-size: 10px;
    color: var(--text-dark);
    margin: 8px 0;
}

.footer-note {
    font-size: 9px;
    color: var(--text-dark);
    margin: 0;
}

.footer-center {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links {
    display: flex;
    gap: 30px;
    margin-bottom: 12px;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 10px;
    transition: all 0.3s;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--text-dark);
}

.footer-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.footer-link svg {
    width: 14px;
    height: 14px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.footer-info-row {
    display: flex;
    gap: 25px;
    align-items: center;
}

.footer-info-text {
    font-size: 13px;
    color: var(--text-dark);
    line-height: 1.5;
    white-space: nowrap;
}

.footer-right {
    display: flex;
    align-items: flex-start;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--text-dark);
    transition: all 0.3s;
    text-decoration: none;
}

.social-icon:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.social-icon svg {
    width: 24px;
    height: 24px;
}

/* Responsive Footer */
@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 20px;
    }

    .footer-info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-right {
        justify-content: flex-start;
    }
}

/* Sidebar Menu */
.sidebar-menu {
    position: fixed;
    top: 0;
    left: -100vw;
    width: 100vw;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    transition: left 0.3s ease;
    overflow-y: auto;
}

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

.sidebar-header {
    position: fixed;
    left: 1cm;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2001;
}

.sidebar-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    transition: all 0.3s;
    border-radius: 4px;
}

.sidebar-close:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.sidebar-nav {
    padding: 20px 0;
    margin-left: 1cm;
}

.sidebar-link {
    display: block;
    padding: 15px 30px;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 22px;
    transition: all 0.3s;
    border-left: 3px solid transparent;
    font-family: "PT Sans", Arial, Helvetica, sans-serif;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.sidebar-link:hover {
    background-color: var(--bg-light);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.sidebar-category {
    padding-left: 45px;
    font-size: 15px;
    color: var(--text-light);
}

.sidebar-divider {
    padding: 20px 30px 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Menu button as button element */
.menu-icon {
    background: none;
    border: none;
    cursor: pointer;
}

.menu-icon:hover {
    background-color: var(--bg-light);
}