/* Базовые настройки и переменные */
:root {
    --primary-bg: #f9f9f9;
    --text-main: #000000;
    --text-muted: #666666;
    --border-color: #e5e5e5;
    --white: #ffffff;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --hero-transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    overflow-x: clip; 
    width: 100%;
    max-width: 100vw;
    background-color: var(--white);
}

body {
    font-family: var(--font-family);
    color: var(--text-main);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    outline: none;
}

input, textarea {
    font-family: inherit;
    outline: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- ПРОПУСК КЛИКОВ СКВОЗЬ НЕВИДИМЫЕ СЛОИ --- */
.burger-overlay:not(.active),
.modal-overlay:not(.active),
.ai-chat-window:not(.active),
.mega-menu:not(.active) {
    pointer-events: none !important;
}

/* --- БУРГЕР МЕНЮ --- */
.burger-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--white);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.burger-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto !important;
}

.burger-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.burger-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    text-align: center;
    width: 100%;
}

.burger-nav a {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-main);
    transition: var(--transition);
}

.burger-nav a:hover {
    color: var(--text-muted);
}

.burger-divider {
    width: 60%;
    max-width: 300px;
    height: 1px;
    background-color: var(--border-color);
    margin: 40px 0;
}

.burger-phone {
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 1px;
}

.burger-trigger {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 28px;
    padding: 5px 0;
}

.burger-trigger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition);
}

/* --- ТЕКСТОВЫЕ КНОПКИ --- */
.header-text-btn {
    background: transparent;
    border: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    cursor: pointer;
    padding: 0;
    transition: var(--transition);
    position: relative;
    z-index: 10;
}

.header-text-btn:hover {
    color: var(--text-muted);
}

.burger-text-btn {
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-main);
    transition: var(--transition);
    cursor: pointer;
    padding: 0;
}

.burger-text-btn:hover {
    color: var(--text-muted);
}

/* --- ХИДЕР --- */
.header-wrapper {
    position: sticky; 
    top: 0; 
    left: 0;
    width: 100%;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.95); 
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000; 
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 40px;
    max-width: 1600px;
    margin: 0 auto;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.catalog-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    z-index: 10;
    background: var(--white);
}

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

.nav-links {
    display: flex;
    gap: 20px;
    font-size: 13px;
}

.nav-links a:hover {
    color: var(--text-muted);
}

.logo {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: -1px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-icons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.icon-btn {
    position: relative;
    display: flex;
    align-items: center;
}

.badge {
    position: absolute;
    top: -5px;
    right: -8px;
    background: #000;
    color: #fff;
    font-size: 10px;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 15px;
    border-left: 1px solid var(--border-color);
    padding-left: 20px;
}

.contact-phone {
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.social-icons {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* --- ВСПЛЫВАЮЩЕЕ ОКНО КАТАЛОГА (МЕГА-МЕНЮ В ХИДЕРЕ) --- */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 40px;
    display: grid;
    grid-template-columns: repeat(5, 1fr); 
    gap: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    z-index: 99;
}

.mega-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto !important;
}

.mega-card {
    background: var(--primary-bg);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mega-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.mega-card h4 {
    font-size: 14px;
    font-weight: 500;
    margin-top: 15px;
    margin-bottom: 0;
}

.mega-card img {
    width: 100%;
    height: 220px;
    object-fit: contain; 
    border-radius: 4px;
    mix-blend-mode: multiply;
}

/* --- ГЛАВНЫЙ ЭКРАН (Слайдер) --- */
.hero {
    background: linear-gradient(135deg, #fdfdfd 0%, #ececec 100%);
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: 60px 40px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 50%;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 54px;
    line-height: 1.1;
    font-weight: 500;
    margin-bottom: 20px;
    transition: var(--hero-transition);
}

.hero p {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 450px;
    transition: var(--hero-transition);
}

.btn-black {
    background: var(--text-main);
    color: var(--white);
    padding: 16px 32px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    position: relative;
    z-index: 10;
}

.btn-black:hover {
    background: #333;
}

.hero-visuals {
    position: absolute;
    right: -5%;
    top: 50%;
    transform: translateY(-50%);
    width: 60%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none; 
}

.composition-image {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0; left: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 50%, rgba(0,0,0,0));
    mask-image: linear-gradient(to left, rgba(0,0,0,1) 50%, rgba(0,0,0,0));
    opacity: 0;
    transition: var(--hero-transition);
}

.composition-image.active {
    opacity: 0.85;
}

.slider-controls {
    position: absolute;
    bottom: 40px;
    right: 40px;
    display: flex;
    gap: 15px;
    z-index: 10;
}

.slider-arrow {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
    cursor: pointer;
}

.slider-arrow:hover {
    background: var(--primary-bg);
    transform: scale(1.05);
}

/* --- КАТАЛОГ ДВЕРЕЙ (ОСНОВНОЙ) --- */
.catalog-section {
    padding: 80px 40px 20px;
    max-width: 1600px;
    margin: 0 auto;
}

.catalog-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    flex-wrap: wrap;
    gap: 20px;
}

.catalog-header {
    font-size: 24px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
}

.search-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 12px 16px 12px 45px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-main);
    transition: var(--transition);
    background-color: var(--white);
    position: relative;
    z-index: 5;
}

.search-input:focus {
    border-color: var(--text-main);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.04);
}

.search-submit {
    position: absolute;
    right: 6px;
    background: var(--text-main);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
    z-index: 6;
}

.search-submit:hover {
    background: #333;
}

.catalog-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.sidebar {
    width: 250px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
    max-height: calc(100vh - 120px);
    overflow-y: auto; 
    padding-right: 10px;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}
.sidebar::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.filter-group {
    margin-bottom: 40px;
}

.filter-group h3 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--text-muted);
}

.filter-list li {
    margin-bottom: 12px;
}

.filter-list a {
    font-size: 13px;
    color: var(--text-muted);
    transition: var(--transition);
}

.filter-list a:hover {
    color: var(--text-main);
}

.catalog-main {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    width: 100%;
}

.product-card {
    position: relative;
    cursor: pointer;
}

/* --- ИДЕАЛЬНОЕ РЕШЕНИЕ ДЛЯ КАРТИНОК В КАРТОЧКАХ (УБРАН СЕРЫЙ ФОН) --- */
.product-image {
    background: transparent; /* Убрали серый фон, теперь он прозрачный */
    aspect-ratio: 3/4;
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    z-index: 2; 
    display: block;
}

.product-image img {
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    object-fit: contain; 
    object-position: center bottom;
    mix-blend-mode: multiply; /* Магия: белый фон JPEG растворяется */
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

/* Кнопки внутри карточки */
.product-card-link {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 6; 
}

.wishlist-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 10;
    transition: var(--transition);
    cursor: pointer;
}

.wishlist-btn:hover {
    color: #ff4757;
}

.add-to-cart-quick {
    position: absolute;
    bottom: -50px; 
    left: 10px;
    right: 10px;
    background: var(--text-main, #000);
    color: var(--white, #fff);
    border: none;
    padding: 12px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    opacity: 0; 
}

.product-card:hover .add-to-cart-quick {
    bottom: 10px; 
    opacity: 1;   
}

.add-to-cart-quick.added {
    background: #10B981 !important; 
    color: #fff !important;
}

/* Информация о товаре */
.product-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
    position: relative;
    z-index: 2;
}

.product-title {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    line-height: 1.4;
}

.product-price {
    font-size: 14px;
    font-weight: 500;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 50px;
}

.page-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition);
}

.page-item:hover:not(.active) {
    background-color: var(--primary-bg);
    border-color: #ccc;
}

.page-item.active {
    background-color: var(--text-main);
    color: var(--white);
    border-color: var(--text-main);
}

.page-arrow {
    color: var(--text-muted);
}

/* --- ФОРМА ОБРАТНОЙ СВЯЗИ --- */
.callback-section {
    padding: 80px 40px;
    margin: 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--white);
    position: relative;
    z-index: 5;
}

.callback-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.callback-container h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.callback-container p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 35px;
    line-height: 1.5;
}

.callback-form {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.callback-input {
    flex: 1;
    min-width: 220px;
    padding: 16px 20px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background: var(--white);
    transition: var(--transition);
    position: relative;
    z-index: 10;
}

.callback-input:focus {
    border-color: var(--text-main);
}

.callback-submit {
    padding: 16px 32px;
    background: var(--text-main);
    color: var(--white);
    border-radius: 6px;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    z-index: 10;
}

.callback-submit:hover {
    background: #333;
}

/* --- МОДАЛЬНОЕ ОКНО --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    z-index: 2000;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto !important;
}

.modal-content {
    background: var(--white);
    padding: 50px; 
    border-radius: 12px; 
    width: 90%;
    max-width: 600px; 
    position: relative;
    transform: translateY(-20px);
    transition: var(--transition);
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    color: var(--text-muted);
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-main);
}

/* --- БЛОК ПРЕИМУЩЕСТВ --- */
.editorial-advantages {
    padding: 120px 40px;
    max-width: 1600px;
    margin: 0 auto;
    background-color: var(--white);
}

.ed-heading {
    font-size: 14px;
    font-weight: 800;
    line-height: 1.5;
    text-transform: uppercase;
    margin-bottom: 0;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.ed-paragraph {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 20px;
}

.ed-list {
    list-style: none;
    padding: 0;
}

.ed-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-main);
}

.ed-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 4px;
    height: 4px;
    background-color: var(--text-main);
    border-radius: 50%;
}

.ed-link {
    display: inline-block;
    margin-top: 25px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-main);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
    position: relative;
    z-index: 5;
}

.ed-link:hover {
    border-color: var(--text-main);
}

.ed-img-wrapper {
    overflow: hidden;
    background-color: var(--primary-bg);
    width: 100%;
}

.ed-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ed-img-wrapper:hover img {
    transform: scale(1.05);
}

.ed-block-1, .ed-block-2, .ed-block-3 {
    display: grid;
    gap: 60px;
    align-items: center;
}

.ed-block-1 { grid-template-columns: 1fr 1fr 2fr; align-items: start; margin-bottom: 200px; }
.ed-block-2 { grid-template-columns: 1.5fr 1fr; align-items: end; margin-bottom: 200px; }
.ed-block-3 { grid-template-columns: 1fr 1.5fr; }

.ed-block-2 .ed-img-wrapper { aspect-ratio: 16/9; }
.ed-block-2 .ed-text-wrapper { padding-bottom: 20px; max-width: 420px; }
.ed-block-3 .ed-img-wrapper { aspect-ratio: 4/5; }
.ed-block-3 .ed-text-wrapper { max-width: 420px; margin-left: auto; margin-right: 40px; }

/* --- БЛОК FAQ --- */
.faq-section {
    padding: 100px 40px;
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
    background-color: var(--white);
}

.faq-sidebar {
    width: 250px;
    flex-shrink: 0;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding-top: 10px;
}

.faq-content { flex: 1; }

.faq-title {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 60px;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.faq-item { border-top: 1px solid var(--border-color); }
.faq-item:last-child { border-bottom: 1px solid var(--border-color); }

.faq-question {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 24px 0;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover .faq-text { color: var(--text-muted); }

.faq-number {
    width: 60px;
    flex-shrink: 0;
    font-size: 12px;
    color: var(--text-muted);
}

.faq-text {
    flex: 1;
    font-size: 15px;
    color: var(--text-main);
    padding-right: 40px;
    transition: color 0.3s ease;
}

.faq-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    opacity: 0;
    padding-left: 60px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    padding-bottom: 24px;
    opacity: 1;
    max-height: 400px;
}

.faq-item.active .faq-icon {
    transform: rotate(135deg);
}

/* --- ПОДВАЛ / FOOTER --- */
.footer {
    padding: 80px 40px 40px;
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    max-width: 1600px;
    margin: 0 auto;
}

.footer-top {
    display: grid;
    grid-template-columns: 2.5fr 1.5fr 1.5fr;
    gap: 40px;
    margin-bottom: 80px;
}

.footer-brand .logo {
    position: static;
    transform: none;
    margin-bottom: 20px;
    display: block;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.6;
    color: #4A5568;
    max-width: 320px;
}

.footer-column-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
    color: var(--text-main);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a, .footer-contact-text {
    font-size: 14px;
    color: #4A5568;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-main);
}

.footer-phone-large {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 15px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    font-size: 13px;
    color: #718096;
}

.footer-legal {
    display: flex;
    gap: 30px;
}

.footer-legal a {
    font-size: 13px;
    color: #718096;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--text-main);
}

.social-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: var(--transition);
}

.social-circle:hover {
    background-color: var(--border-color);
}

/* --- НЕВИДИМЫЙ AI-КОНСЬЕРЖ --- */
.ai-concierge-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--text-main);
    color: var(--white);
    padding: 14px 24px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    z-index: 998;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.ai-concierge-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.ai-concierge-btn span {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.ai-chat-window {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 360px;
    height: 520px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    z-index: 999;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.ai-chat-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto !important;
}

.chat-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--white);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-header-icon {
    width: 8px;
    height: 8px;
    background-color: #10B981; 
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.chat-header-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.chat-close-btn {
    color: var(--text-muted);
    transition: color 0.2s;
}

.chat-close-btn:hover {
    color: var(--text-main);
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background-color: #fdfdfd;
}

.chat-message {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.5;
}

.msg-ai {
    background-color: var(--primary-bg);
    color: var(--text-main);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.msg-user {
    background-color: var(--text-main);
    color: var(--white);
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-input-area {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    background-color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-input {
    flex: 1;
    border: none;
    background: none;
    font-size: 13px;
    color: var(--text-main);
}

.chat-input::placeholder {
    color: #a0a0a0;
}

.chat-send-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--text-main);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

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

/* --- МОБИЛЬНАЯ АДАПТАЦИЯ --- */
@media (max-width: 1024px) {
    .hero-content { max-width: 60%; }
    .hero h1 { font-size: 42px; }
    .ed-block-1 { grid-template-columns: 1fr 2fr; }
    .ed-block-1 .ed-text-wrapper:first-child { grid-column: span 2; margin-bottom: -20px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: span 2; }
    .products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 991px) {
    .header-left .nav-links, .header-left .catalog-btn, .contact-info, .header-text-btn { display: none; }
    .burger-trigger { display: flex; }
    .logo { position: relative; left: auto; transform: none; }
    .header { justify-content: space-between; }
    .faq-section { flex-direction: column; gap: 20px; }
    .faq-sidebar { width: 100%; padding-bottom: 20px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .header, .hero, .catalog-section, .editorial-advantages, .faq-section, .callback-section, .footer {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .hero { 
        flex-direction: column; 
        align-items: flex-start; 
        padding-top: 40px; 
        padding-bottom: 100px; 
        background: var(--white) !important; 
    }
    .composition-image {
        -webkit-mask-image: none !important; 
        mask-image: none !important;
        border-radius: 8px; 
    }
    .hero-visuals { 
        position: relative; 
        width: 100%; 
        height: 350px; 
        right: auto; 
        top: auto; 
        transform: none; 
        margin-top: 20px;
    }

    .hero-content { max-width: 100%; margin-bottom: 40px; }
    .hero h1 { font-size: 36px; }
    .slider-controls { bottom: 20px; right: 20px; }
    .catalog-layout { flex-direction: column; }
    .sidebar { width: 100%; display: flex; overflow-x: auto; gap: 20px; padding-bottom: 15px; -ms-overflow-style: none; scrollbar-width: none; position: static; } 
    .sidebar::-webkit-scrollbar { display: none; }
    .filter-group { min-width: 200px; margin-bottom: 0; }
    .ed-block-1, .ed-block-2, .ed-block-3 { grid-template-columns: 1fr; gap: 30px; margin-bottom: 80px; width: 100%; }
    .ed-block-1 .ed-text-wrapper:first-child { grid-column: 1; margin-bottom: 0; }
    .ed-block-3 .ed-text-wrapper { margin-left: 0; margin-right: 0; order: 2; }
    .ed-block-3 .ed-img-wrapper { order: 1; }
    .ed-block-2 .ed-img-wrapper, .ed-block-3 .ed-img-wrapper { aspect-ratio: auto; }
    .ed-block-2 .ed-text-wrapper, .ed-block-3 .ed-text-wrapper { max-width: 100%; }
    .footer-top { grid-template-columns: 1fr; gap: 30px; }
    .footer-brand { grid-column: 1; }
    .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
    .footer-legal { flex-direction: column; gap: 10px; }
    
    .ai-chat-window {
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        bottom: 0;
        right: 0;
        border-radius: 0;
        border: none;
        z-index: 1002;
    }
    .ai-concierge-btn {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } 
    .product-price { font-size: 13px; }
    .hero h1 { font-size: 32px; }
    .callback-input, .callback-submit { width: 100%; min-width: 100%; }
    .mega-menu { padding: 20px; grid-template-columns: 1fr 1fr; }
}

/* --- СТИЛИ ВНУТРЕННИХ СТРАНИЦ --- */
.inner-hero {
    padding: 160px 40px 80px;
    max-width: 1600px;
    margin: 0 auto;
}

.inner-hero h1 {
    font-size: 64px;
    font-weight: 400;
    letter-spacing: -2px;
    margin-bottom: 24px;
    text-transform: uppercase;
    line-height: 1;
    color: var(--text-main);
}

.inner-hero p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 500px;
}

.price-list {
    width: 100%;
    max-width: 100%;
    margin-top: 20px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.price-val {
    font-weight: 600;
}

@media (max-width: 768px) {
    .inner-hero {
        padding: 120px 20px 40px;
    }
    .inner-hero h1 {
        font-size: 42px;
    }
    .price-item {
        flex-direction: column;
        gap: 10px;
    }
}

/* =======================================================
   СТРАНИЦА ТОВАРА (PRODUCT PAGE)
======================================================= */
.product-detail-section {
    padding: 140px 40px 100px;
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 120px;
}

/* Идеальное отображение на странице товара */
.product-main-img {
    width: 100%;
    aspect-ratio: 3/4;
    background-color: transparent; /* Убрали серый фон */
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}

.product-main-img img {
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    object-fit: contain;
    object-position: center center;
    mix-blend-mode: multiply; 
}

.product-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.product-thumb {
    aspect-ratio: 3/4;
    background-color: transparent; /* Убрали серый фон */
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    opacity: 0.6;
    transition: var(--transition);
    position: relative;
}

.product-thumb img {
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    object-fit: contain;
    object-position: center center;
    mix-blend-mode: multiply;
}

.product-thumb:hover, .product-thumb.active {
    opacity: 1;
}

.product-info-panel {
    padding-top: 20px;
}

.product-breadcrumbs {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.product-info-panel h1 {
    font-size: 42px;
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
    text-transform: uppercase;
}

.product-price-large {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 40px;
}

.product-options {
    margin-bottom: 40px;
}

.option-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    display: block;
}

.color-options {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.color-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.color-btn.active {
    border-color: var(--text-main);
}

.color-btn.active::after {
    content: '';
    position: absolute;
    top: -5px; left: -5px; right: -5px; bottom: -5px;
    border: 1px solid var(--text-main);
    border-radius: 50%;
}

.size-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.size-btn {
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-main);
    transition: var(--transition);
    cursor: pointer;
}

.size-btn:hover, .size-btn.active {
    border-color: var(--text-main);
    background-color: var(--text-main);
    color: var(--white);
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 60px;
}

.btn-add-cart {
    flex: 1;
    background-color: var(--text-main);
    color: var(--white);
    padding: 18px 0;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
}

.btn-add-cart:hover {
    background-color: #333;
}

.btn-fav-large {
    width: 56px;
    height: 56px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: var(--transition);
    cursor: pointer;
}

.btn-fav-large:hover {
    border-color: #ff4757;
    color: #ff4757;
}

.product-description {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* =======================================================
   КОРЗИНА (CART PAGE)
======================================================= */
.cart-section {
    padding: 140px 40px 100px;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.cart-header-title {
    font-size: 42px;
    font-weight: 400;
    margin-bottom: 40px;
    letter-spacing: -1px;
    text-transform: uppercase;
}

.cart-items {
    border-top: 1px solid var(--border-color);
}

.cart-item {
    display: grid;
    grid-template-columns: 120px 1fr auto auto;
    gap: 30px;
    align-items: center;
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

/* Идеальное отображение в корзине */
.cart-item-img {
    width: 100%;
    aspect-ratio: 3/4;
    background-color: transparent; /* Убрали серый фон */
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.cart-item-img img {
    position: absolute;
    top: 5%;
    left: 5%;
    width: 90%;
    height: 90%;
    object-fit: contain;
    object-position: center center;
    mix-blend-mode: multiply;
}

.cart-item-info h4 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.cart-item-info p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.qty-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.qty-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--text-muted);
    transition: var(--transition);
}

.qty-btn:hover { background-color: var(--primary-bg); color: var(--text-main); }
.qty-input {
    width: 40px;
    height: 36px;
    text-align: center;
    border: none;
    font-size: 14px;
    font-weight: 500;
}

.cart-item-price {
    font-size: 16px;
    font-weight: 500;
    text-align: right;
}

.cart-item-remove {
    color: var(--text-muted);
    margin-top: 10px;
    font-size: 12px;
    text-decoration: underline;
    transition: var(--transition);
}
.cart-item-remove:hover { color: #ff4757; }

.cart-summary {
    background-color: var(--primary-bg);
    padding: 40px;
    border-radius: 8px;
    position: sticky;
    top: 120px;
}

.summary-title {
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-muted);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 30px;
}

.btn-checkout {
    width: 100%;
    background-color: var(--text-main);
    color: var(--white);
    padding: 18px 0;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 6px;
    transition: var(--transition);
}

.btn-checkout:hover { background-color: #333; }

/* =======================================================
   АДАПТАЦИЯ НОВЫХ СТРАНИЦ
======================================================= */
@media (max-width: 991px) {
    .product-detail-section { grid-template-columns: 1fr; gap: 40px; }
    .product-gallery { position: static; }
    .cart-section { grid-template-columns: 1fr; }
    .cart-summary { position: static; }
}

@media (max-width: 768px) {
    .product-detail-section, .cart-section { padding: 120px 20px 60px; }
    .product-info-panel h1 { font-size: 32px; }
    .cart-item { grid-template-columns: 80px 1fr; gap: 15px; }
    .cart-item-qty-price { grid-column: span 2; display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
    .cart-item-price { text-align: left; }
}