/* ============================================================
   NOBO — палитра под obogrevatel-nobo.ru
   --primary  = красный логотипа Nobo (#E30613) и «БЕСПЛАТНО / Скидка» (#ce1014)
   --accent   = синий телефонной ссылки сайта (#4d65bd)
   --dark     = #373737 (hover-цвет темы i-craft)
   --text     = #333333 (основной текст сайта)
   --bg       = #d6d6d6 (фоновый серый темы)
   ============================================================ */

/* ---------- RESET & VARIABLES ---------- */
:root {
    --primary: #E30613;
    --primary-dark: #B0040F;
    --primary-light: #FDECEE;
    --primary-50: #FEF5F6;
    --accent: #4d65bd;
    --accent-light: #ECEFF8;
    --dark: #373737;
    --dark-2: #2A2A2A;
    --dark-3: #1F1F1F;
    --text: #333333;
    --text-secondary: #555555;
    --text-muted: #8A8A8A;
    --border: #D6D6D6;
    --border-light: #ECECEC;
    --bg: #F5F5F5;
    --bg-white: #FFFFFF;
    --green: #16A34A;
    --green-light: #DCFCE7;
    --green-bg: #F0FDF4;
    --orange: #EA580C;
    --orange-light: #FFF7ED;
    --red: #ce1014;
    --red-light: #FEF2F2;
    --yellow: #F59E0B;
    --yellow-light: #FFFBEB;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: 0.2s ease;
    --header-h: 120px;
    --topbar-h: 36px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--primary); }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}
button { cursor: pointer; }
.container { max-width: 1340px; margin: 0 auto; padding: 0 20px; }

/* ---------- UTILITIES ---------- */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-20 { gap: 20px; }
.gap-24 { gap: 24px; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.text-green { color: var(--green); }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    height: var(--topbar-h);
    display: flex;
    align-items: center;
}
.topbar a { color: rgba(255,255,255,0.7); }
.topbar a:hover { color: #fff; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.topbar-left { display: flex; align-items: center; gap: 24px; }
.topbar-right { display: flex; align-items: center; gap: 20px; }
.city-selector { display: flex; align-items: center; gap: 6px; cursor: pointer; position: relative; }
.city-selector svg { width: 14px; height: 14px; fill: var(--accent); }
.city-selector span { border-bottom: 1px dashed rgba(255,255,255,0.4); }
.city-selector:hover span { border-bottom-color: #fff; color: #fff; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}
.header-main {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-img {
    width: 44px; height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 900; font-size: 18px;
}
.logo-text { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.logo-sub { font-size: 10px; color: var(--text-muted); font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase; }

/* Catalog button */
.catalog-btn {
    display: flex; align-items: center; gap: 8px;
    background: var(--primary);
    color: #fff;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    flex-shrink: 0;
}
.catalog-btn:hover { background: var(--primary-dark); color: #fff; }
.catalog-btn svg { width: 18px; height: 18px; }
.hamburger-icon { display: flex; flex-direction: column; gap: 3px; width: 18px; }
.hamburger-icon span { height: 2px; background: #fff; border-radius: 1px; transition: var(--transition); }
.hamburger-icon span:nth-child(2) { width: 14px; }

/* Search */
.header-search {
    flex: 1;
    position: relative;
    max-width: 560px;
}
.header-search input {
    width: 100%;
    padding: 10px 44px 10px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    transition: var(--transition);
}
.header-search input::placeholder { color: var(--text-muted); }
.header-search input:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0,104,183,0.1);
}
.header-search button {
    position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: var(--primary);
    border-radius: var(--radius-sm);
    color: #fff;
    transition: var(--transition);
}
.header-search button:hover { background: var(--primary-dark); }
.header-search button svg { width: 18px; height: 18px; }

/* Header icons */
.header-icons { display: flex; align-items: center; gap: 4px; }
.header-icon-btn {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 10px;
    transition: var(--transition);
    position: relative;
    min-width: 56px;
}
.header-icon-btn:hover { background: var(--bg); color: var(--primary); }
.header-icon-btn svg { width: 22px; height: 22px; }
.header-icon-btn .badge {
    position: absolute; top: 2px; right: 8px;
    min-width: 18px; height: 18px;
    background: var(--red);
    color: #fff;
    border-radius: 100px;
    font-size: 10px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    padding: 0 5px;
}

/* Header phone */
.header-phone-block {
    display: flex; flex-direction: column; align-items: flex-end;
    flex-shrink: 0; margin-left: 8px;
}
.header-phone-number { font-size: 18px; font-weight: 700; color: var(--text); white-space: nowrap; }
.header-phone-sub { font-size: 11px; color: var(--text-muted); }
.header-callback {
    font-size: 12px; color: var(--primary); font-weight: 500;
    border-bottom: 1px dashed var(--primary);
    cursor: pointer;
}
.header-callback:hover { border-bottom-style: solid; }

/* ============================================================
   MAIN NAVIGATION
   ============================================================ */
.main-nav {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
}
.main-nav-inner { display: flex; align-items: center; height: 44px; gap: 0; }
.main-nav a {
    display: flex; align-items: center;
    padding: 0 14px;
    height: 44px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    position: relative;
    transition: var(--transition);
}
.main-nav a:hover { color: var(--primary); background: var(--primary-50); }
.main-nav a::after {
    content: ''; position: absolute; bottom: 0; left: 14px; right: 14px;
    height: 2px; background: var(--primary); transform: scaleX(0);
    transition: var(--transition);
}
.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a.active { color: var(--primary); }
.main-nav a.active::after { transform: scaleX(1); }

/* ============================================================
   MEGA MENU (Catalog Dropdown)
   ============================================================ */
.mega-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 2px solid var(--primary);
    box-shadow: var(--shadow-xl);
    z-index: 200;
    padding: 24px 0;
}
.mega-menu.open { display: block; }
.mega-menu-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 0;
}
.mega-menu-categories {
    border-right: 1px solid var(--border);
    padding-right: 20px;
}
.mega-cat-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}
.mega-cat-item:hover, .mega-cat-item.active {
    background: var(--primary-light);
    color: var(--primary);
}
.mega-cat-icon {
    width: 36px; height: 36px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
}
.mega-cat-item.active .mega-cat-icon { background: var(--primary); }
.mega-subcategories { padding-left: 32px; }
.mega-subcol-title {
    font-size: 15px; font-weight: 700; color: var(--text);
    margin-bottom: 12px; padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.mega-subcol-list { columns: 2; column-gap: 32px; }
.mega-subcol-list a {
    display: block; padding: 5px 0; font-size: 13px;
    color: var(--text-secondary);
    break-inside: avoid;
}
.mega-subcol-list a:hover { color: var(--primary); }

/* ============================================================
   HERO SLIDER
   ============================================================ */
.hero-slider {
    position: relative;
    background: #fff;
    overflow: hidden;
}
.slider-track { display: flex; transition: transform 0.5s ease; }
.slide {
    min-width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-height: 420px;
    padding: 40px 0;
}
.slide-content { padding: 40px; }
.slide-label {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
}
.slide-title { font-size: 36px; font-weight: 800; color: var(--dark); line-height: 1.15; margin-bottom: 16px; }
.slide-text { font-size: 15px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 24px; max-width: 460px; }
.slide-image {
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
}
.slide-image-placeholder {
    width: 100%; max-width: 450px; height: 300px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    border-radius: var(--radius-xl);
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.slide-image-placeholder .ac-display {
    width: 280px; height: 80px;
    background: linear-gradient(180deg, #f8f8f8, #e4e4e4);
    border-radius: 10px 10px 3px 3px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    position: relative;
}
.slide-image-placeholder .ac-display::before {
    content: ''; position: absolute;
    top: 10px; left: 16px; right: 16px; height: 36px;
    background: linear-gradient(180deg, #f0f0f0, #ddd);
    border-radius: 3px;
}
.slide-image-placeholder .ac-display::after {
    content: ''; position: absolute;
    bottom: 6px; right: 16px;
    width: 6px; height: 6px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(22,163,74,0.5);
}

/* Slider controls */
.slider-dots {
    display: flex; justify-content: center; gap: 8px;
    padding: 16px 0 24px;
}
.slider-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
}
.slider-dot.active { background: var(--primary); width: 28px; border-radius: 5px; }
.slider-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 44px; height: 44px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    z-index: 5;
}
.slider-arrow:hover { border-color: var(--primary); color: var(--primary); box-shadow: var(--shadow-md); }
.slider-arrow.prev { left: 20px; }
.slider-arrow.next { right: 20px; }

/* ============================================================
   BENEFITS BAR
   ============================================================ */
.benefits-bar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.benefit-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.benefit-item:hover { background: var(--primary-50); }
.benefit-icon {
    width: 44px; height: 44px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.benefit-text { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.3; }
.benefit-sub { font-size: 11px; color: var(--text-muted); font-weight: 400; }

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section { padding: 48px 0; }
.section-white { background: #fff; }
.section-header { margin-bottom: 32px; }
.section-header-row { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; }
.section-title { font-size: 24px; font-weight: 800; color: var(--dark); }
.section-link { font-size: 14px; color: var(--primary); font-weight: 500; display: flex; align-items: center; gap: 4px; }
.section-link:hover { color: var(--primary-dark); }

/* ============================================================
   CATEGORY CARDS (Homepage)
   ============================================================ */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.cat-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.cat-card-icon {
    width: 56px; height: 56px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    margin-bottom: 16px;
}
.cat-card-title { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.cat-card-count { font-size: 13px; color: var(--text-muted); }
.cat-card-arrow {
    position: absolute; bottom: 16px; right: 16px;
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}
.cat-card:hover .cat-card-arrow { background: var(--primary); color: #fff; }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.product-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}
.product-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); }
.product-badges {
    position: absolute; top: 12px; left: 12px;
    display: flex; flex-direction: column; gap: 4px;
    z-index: 2;
}
.product-badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: var(--radius-xs);
    font-size: 11px;
    font-weight: 700;
}
.badge-sale { background: var(--red); color: #fff; }
.badge-new { background: var(--green); color: #fff; }
.badge-hit { background: var(--orange); color: #fff; }
.badge-eco { background: var(--green-bg); color: var(--green); }

.product-actions-top {
    position: absolute; top: 12px; right: 12px;
    display: flex; flex-direction: column; gap: 4px;
    z-index: 2;
    opacity: 0; transition: var(--transition);
}
.product-card:hover .product-actions-top { opacity: 1; }
.product-action-btn {
    width: 34px; height: 34px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}
.product-action-btn:hover { border-color: var(--primary); color: var(--primary); }
.product-action-btn svg { width: 16px; height: 16px; }

.product-image {
    height: 180px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg);
    padding: 16px;
    position: relative;
}
.product-image .mini-ac {
    width: 160px; height: 48px;
    background: linear-gradient(180deg, #f5f5f5, #e0e0e0);
    border-radius: 6px 6px 2px 2px;
    position: relative;
}
.product-image .mini-ac::before {
    content: ''; position: absolute;
    top: 6px; left: 12px; right: 12px; height: 22px;
    background: linear-gradient(180deg, #eee, #ddd);
    border-radius: 2px;
}

.product-info {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-brand { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.product-name {
    font-size: 14px; font-weight: 600; color: var(--text);
    margin: 6px 0 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-name:hover { color: var(--primary); }

.product-specs-list {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-bottom: 12px;
}
.product-spec-tag {
    padding: 3px 8px;
    background: var(--bg);
    border-radius: var(--radius-xs);
    font-size: 11px;
    color: var(--text-secondary);
}

.product-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.stars { color: var(--yellow); font-size: 12px; letter-spacing: 1px; }
.rating-count { font-size: 12px; color: var(--text-muted); }

.product-stock { font-size: 12px; margin-bottom: 8px; display: flex; align-items: center; gap: 4px; }
.product-stock.in-stock { color: var(--green); }
.product-stock.on-order { color: var(--orange); }
.stock-dot { width: 6px; height: 6px; border-radius: 50%; }
.in-stock .stock-dot { background: var(--green); }
.on-order .stock-dot { background: var(--orange); }

.product-price-block { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border-light); }
.product-old-price { font-size: 13px; color: var(--text-muted); text-decoration: line-through; }
.product-price { font-size: 20px; font-weight: 800; color: var(--dark); }
.product-price .currency { font-size: 14px; font-weight: 600; }
.product-price-sub { font-size: 11px; color: var(--text-muted); }

.product-buttons { display: flex; gap: 8px; margin-top: 10px; }
.btn-cart {
    flex: 1;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 16px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 13px;
    transition: var(--transition);
}
.btn-cart:hover { background: var(--primary-dark); color: #fff; }
.btn-cart svg { width: 16px; height: 16px; }
.btn-oneclick {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}
.btn-oneclick:hover { border-color: var(--primary); color: var(--primary); }

/* ============================================================
   BRANDS
   ============================================================ */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 12px;
}
.brand-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    height: 80px;
    display: flex; align-items: center; justify-content: center;
    padding: 16px;
    transition: var(--transition);
    cursor: pointer;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
}
.brand-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); color: var(--primary); }

/* ============================================================
   NEWS BLOCK
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.news-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }
.news-image {
    height: 180px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    display: flex; align-items: center; justify-content: center;
    font-size: 40px;
}
.news-body { padding: 20px; }
.news-date { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.news-title { font-size: 15px; font-weight: 700; color: var(--text); line-height: 1.4; margin-bottom: 8px; }
.news-title:hover { color: var(--primary); }
.news-text { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* ============================================================
   CTA BLOCK
   ============================================================ */
.cta-block {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-xl);
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cta-block::before {
    content: ''; position: absolute;
    top: -40%; right: -10%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 70%);
    border-radius: 50%;
}
.cta-title { font-size: 28px; font-weight: 800; margin-bottom: 8px; position: relative; }
.cta-text { font-size: 15px; opacity: 0.85; position: relative; max-width: 500px; }
.btn-white {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px;
    background: #fff;
    color: var(--primary);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 14px;
    transition: var(--transition);
    flex-shrink: 0;
    position: relative;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: var(--primary-dark); }

/* ============================================================
   ABOUT BLOCK
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.about-text p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.about-stat-value { font-size: 32px; font-weight: 800; color: var(--primary); }
.about-stat-label { font-size: 13px; color: var(--text-muted); }
.about-image {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    border-radius: var(--radius-xl);
    height: 320px;
    display: flex; align-items: center; justify-content: center;
    font-size: 60px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--dark); color: rgba(255,255,255,0.6); padding-top: 48px; }
.footer a { color: rgba(255,255,255,0.6); }
.footer a:hover { color: #fff; }
.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-about .logo { margin-bottom: 16px; }
.footer-about .logo-text { color: #fff; }
.footer-about p { font-size: 13px; line-height: 1.6; margin-bottom: 16px; }

.footer-app { display: flex; gap: 8px; margin-top: 16px; }
.app-badge {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 14px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: #fff;
    transition: var(--transition);
}
.app-badge:hover { background: rgba(255,255,255,0.15); color: #fff; }
.app-badge-icon { font-size: 18px; }

.footer-col h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-col a { display: block; padding: 4px 0; font-size: 13px; }

.footer-contacts .contact-item {
    display: flex; align-items: flex-start; gap: 10px;
    margin-bottom: 12px; font-size: 13px;
}
.contact-icon {
    width: 28px; height: 28px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}
.contact-item a { font-weight: 600; color: #fff; }

.footer-social { display: flex; gap: 8px; margin-top: 16px; }
.social-btn {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}
.social-btn:hover { background: var(--primary); color: #fff; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 12px;
}
.footer-bottom-links { display: flex; gap: 20px; }

/* ============================================================
   CATALOG PAGE
   ============================================================ */
.breadcrumbs {
    display: flex; align-items: center; gap: 8px;
    padding: 16px 0;
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.breadcrumbs a { color: var(--text-secondary); }
.breadcrumbs a:hover { color: var(--primary); }
.breadcrumbs span { color: var(--text-muted); }

.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    align-items: start;
}

/* Sidebar filters */
.sidebar { position: sticky; top: 130px; }
.filter-block {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
}
.filter-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}
.filter-header:hover { color: var(--primary); }
.filter-toggle { font-size: 18px; color: var(--text-muted); transition: var(--transition); }
.filter-body { padding: 0 16px 16px; }
.filter-body.collapsed { display: none; }

.filter-search {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 10px;
}
.filter-search:focus { border-color: var(--primary); }

.filter-options { max-height: 200px; overflow-y: auto; }
.filter-option {
    display: flex; align-items: center; gap: 8px;
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}
.filter-option:hover { color: var(--text); }
.filter-checkbox {
    width: 16px; height: 16px;
    border: 2px solid var(--border);
    border-radius: 3px;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}
.filter-option.checked .filter-checkbox {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    font-size: 10px;
}
.filter-count { margin-left: auto; font-size: 12px; color: var(--text-muted); }

.filter-range { display: flex; align-items: center; gap: 8px; }
.filter-range input {
    width: 100%; padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    text-align: center;
}
.filter-range input:focus { border-color: var(--primary); }
.filter-range-sep { color: var(--text-muted); }

.slider-range {
    width: 100%; margin-top: 12px;
    -webkit-appearance: none; appearance: none;
    height: 4px; background: var(--border);
    border-radius: 2px; outline: none;
}
.slider-range::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 18px; height: 18px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid #fff;
    box-shadow: var(--shadow-sm);
}

.filter-buttons { display: flex; gap: 8px; margin-top: 12px; }
.btn-filter-apply {
    flex: 1; padding: 10px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 13px;
    transition: var(--transition);
}
.btn-filter-apply:hover { background: var(--primary-dark); }
.btn-filter-reset {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-size: 13px;
    transition: var(--transition);
}
.btn-filter-reset:hover { border-color: var(--red); color: var(--red); }

/* Catalog toolbar */
.catalog-toolbar {
    display: flex; align-items: center; justify-content: space-between;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}
.toolbar-left { display: flex; align-items: center; gap: 12px; }
.toolbar-right { display: flex; align-items: center; gap: 12px; }
.results-count { font-size: 13px; color: var(--text-muted); }
.sort-select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text);
    background: #fff;
    cursor: pointer;
}
.view-toggle { display: flex; gap: 4px; }
.view-btn {
    width: 36px; height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}
.view-btn.active, .view-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-50); }

/* Active filters */
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.active-filter {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 12px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}
.active-filter-remove { cursor: pointer; font-size: 14px; opacity: 0.7; }
.active-filter-remove:hover { opacity: 1; }
.clear-all-filters {
    padding: 6px 12px;
    color: var(--red);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
}

/* Product list view */
.products-grid.list-view { grid-template-columns: 1fr; }
.products-grid.list-view .product-card {
    flex-direction: row;
}
.products-grid.list-view .product-image { width: 200px; height: 160px; flex-shrink: 0; }
.products-grid.list-view .product-info { padding: 16px 20px; }

/* Pagination */
.pagination {
    display: flex; align-items: center; justify-content: center; gap: 4px;
    padding: 24px 0;
}
.page-btn {
    min-width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: #fff;
    transition: var(--transition);
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn.disabled { opacity: 0.4; pointer-events: none; }

/* ============================================================
   PRODUCT PAGE
   ============================================================ */
.product-page { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 32px; }
.product-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.product-gallery { position: sticky; top: 130px; }
.gallery-main {
    width: 100%; height: 360px;
    background: var(--bg);
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 12px;
}
.gallery-main .ac-big {
    width: 300px; height: 90px;
    background: linear-gradient(180deg, #f5f5f5, #e0e0e0);
    border-radius: 10px 10px 3px 3px;
    position: relative;
}
.gallery-main .ac-big::before {
    content: ''; position: absolute;
    top: 10px; left: 20px; right: 20px; height: 40px;
    background: linear-gradient(180deg, #eee, #ddd);
    border-radius: 3px;
}
.gallery-thumbs { display: flex; gap: 8px; }
.gallery-thumb {
    width: 72px; height: 72px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.gallery-thumb:hover, .gallery-thumb.active { border-color: var(--primary); }

.product-detail-info {}
.product-detail-brand { font-size: 12px; color: var(--primary); font-weight: 600; text-transform: uppercase; margin-bottom: 8px; }
.product-detail-name { font-size: 24px; font-weight: 800; color: var(--dark); margin-bottom: 12px; line-height: 1.3; }
.product-detail-sku { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.product-detail-rating {
    display: flex; align-items: center; gap: 8px;
    padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 16px;
}

.product-detail-price-block { margin-bottom: 20px; }
.product-detail-old-price { font-size: 16px; color: var(--text-muted); text-decoration: line-through; }
.product-detail-price { font-size: 32px; font-weight: 800; color: var(--dark); }
.product-detail-price .rub { font-size: 20px; }
.product-detail-credit { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.product-detail-stock {
    display: flex; align-items: center; gap: 6px;
    font-size: 14px; margin-bottom: 20px;
}

.product-detail-actions { display: flex; gap: 12px; margin-bottom: 24px; }
.btn-cart-lg {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 24px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 15px;
    transition: var(--transition);
}
.btn-cart-lg:hover { background: var(--primary-dark); }
.btn-oneclick-lg {
    padding: 14px 24px;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}
.btn-oneclick-lg:hover { background: var(--primary-light); }
.btn-icon-lg {
    width: 48px; height: 48px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}
.btn-icon-lg:hover { border-color: var(--primary); color: var(--primary); }

.product-detail-features { border-top: 1px solid var(--border); padding-top: 20px; }
.detail-feature {
    display: flex; justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px dashed var(--border-light);
}
.detail-feature-label { color: var(--text-secondary); }
.detail-feature-value { font-weight: 600; color: var(--text); }

/* Product tabs */
.product-tabs { margin-top: 32px; }
.tabs-nav {
    display: flex; gap: 0;
    border-bottom: 2px solid var(--border);
}
.tab-btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition);
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); }
.tab-btn.active::after {
    content: ''; position: absolute;
    bottom: -2px; left: 0; right: 0;
    height: 2px; background: var(--primary);
}
.tab-content { padding: 24px 0; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.tab-pane p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }

/* ============================================================
   CART PAGE
   ============================================================ */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 24px; align-items: start; }
.cart-items { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); }
.cart-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.cart-title { font-size: 18px; font-weight: 700; }
.cart-clear { font-size: 13px; color: var(--red); cursor: pointer; }

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto auto auto;
    gap: 16px;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-image {
    width: 100px; height: 80px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
}
.cart-item-image .mini-ac-sm {
    width: 60px; height: 18px;
    background: linear-gradient(180deg, #f0f0f0, #ddd);
    border-radius: 4px 4px 1px 1px;
}
.cart-item-info {}
.cart-item-name { font-size: 14px; font-weight: 600; color: var(--text); }
.cart-item-sku { font-size: 12px; color: var(--text-muted); }
.cart-item-stock { font-size: 12px; color: var(--green); }

.cart-qty {
    display: flex; align-items: center; gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.cart-qty button {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; color: var(--text-secondary);
    transition: var(--transition);
}
.cart-qty button:hover { color: var(--primary); background: var(--primary-50); }
.cart-qty input {
    width: 48px; height: 36px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
}
.cart-item-price { font-size: 16px; font-weight: 700; color: var(--dark); white-space: nowrap; }
.cart-item-remove { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); border-radius: var(--radius-sm); transition: var(--transition); }
.cart-item-remove:hover { color: var(--red); background: var(--red-light); }

/* Cart summary */
.cart-summary {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: sticky;
    top: 130px;
}
.cart-summary-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.summary-row {
    display: flex; justify-content: space-between;
    padding: 8px 0; font-size: 14px;
}
.summary-row.total {
    border-top: 2px solid var(--border);
    margin-top: 12px; padding-top: 16px;
    font-size: 18px; font-weight: 700;
}
.summary-row .label { color: var(--text-secondary); }
.summary-row .value { font-weight: 600; }
.summary-row.total .value { color: var(--primary); font-size: 22px; }
.btn-checkout {
    width: 100%; padding: 14px;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 15px;
    margin-top: 20px;
    transition: var(--transition);
}
.btn-checkout:hover { background: var(--primary-dark); }
.cart-promo { margin-top: 16px; }
.cart-promo-input {
    display: flex; gap: 8px;
}
.cart-promo-input input {
    flex: 1; padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
}
.cart-promo-input button {
    padding: 10px 16px;
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13px;
    transition: var(--transition);
}
.cart-promo-input button:hover { background: var(--primary); color: #fff; }

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
    background: #fff;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 18px; font-weight: 700; }
.modal-close {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 20px;
}
.modal-close:hover { background: var(--bg); color: var(--text); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 12px; justify-content: flex-end; }

/* Form elements */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-input {
    width: 100%; padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text);
    transition: var(--transition);
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,104,183,0.1); }
.form-select { width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-md); font-size: 14px; background: #fff; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-submit {
    width: 100%; padding: 12px;
    background: var(--primary); color: #fff;
    border-radius: var(--radius-md);
    font-weight: 700; font-size: 14px;
    transition: var(--transition);
}
.btn-submit:hover { background: var(--primary-dark); }

/* ============================================================
   FLOATING ELEMENTS
   ============================================================ */
.floating-actions {
    position: fixed; bottom: 24px; right: 24px;
    display: flex; flex-direction: column; gap: 8px;
    z-index: 99;
}
.fab {
    width: 52px; height: 52px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.fab:hover { transform: scale(1.1); }
.fab-whatsapp { background: #25D366; color: #fff; }
.fab-telegram { background: #0088CC; color: #fff; }
.fab-up {
    background: #fff; color: var(--text-secondary);
    border: 1px solid var(--border);
    font-size: 16px;
    opacity: 0; pointer-events: none;
}
.fab-up.visible { opacity: 1; pointer-events: auto; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-top { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
    .header-phone-block { display: none; }
    .catalog-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .benefits-grid { grid-template-columns: repeat(3, 1fr); }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .brands-grid { grid-template-columns: repeat(4, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
    .product-page-grid { grid-template-columns: 1fr; }
    .cart-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .topbar { display: none; }
    .header-main { gap: 12px; }
    .main-nav { display: none; }
    .header-search { max-width: none; }
    .logo-text { display: none; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .brands-grid { grid-template-columns: repeat(3, 1fr); }
    .cta-block { flex-direction: column; text-align: center; padding: 32px 20px; }
    .slide { grid-template-columns: 1fr; min-height: auto; }
    .slide-image { display: none; }
    .slide-content { padding: 24px 20px; }
    .slide-title { font-size: 24px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .cart-item { grid-template-columns: 80px 1fr; gap: 12px; }
}
@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    .cat-grid { grid-template-columns: 1fr; }
    .brands-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr; }
}