/* ═══════════════════════════════════════════════════════════════════════════
   A.SOLE — LUXURY JEWELRY WEBSITE
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────────
   CSS VARIABLES — Цветовая палитра роскоши
   ───────────────────────────────────────────────────────────────────────────── */
:root {
    /* Основные цвета */
    --color-black: #1a1a1a;
    --color-charcoal: #2d2d2d;
    --color-graphite: #4a4a4a;
    --color-silver: #8a8a8a;
    --color-pearl: #c5c5c5;
    --color-ivory: #f5f5f3;
    --color-white: #ffffff;
    
    /* Акцентные цвета */
    --color-champagne: #d4af37;
    --color-rose-gold: #b76e79;
    --color-platinum: #e5e4e2;
    
    /* Фоны */
    --bg-glass: rgba(255, 255, 255, 0.85);
    --bg-glass-dark: rgba(26, 26, 26, 0.9);
    --bg-overlay: rgba(245, 245, 243, 0.92);
    
    /* Тени */
    --shadow-soft: 0 4px 30px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(212, 175, 55, 0.15);
    
    /* Анимации */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-elegant: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    
    /* Типографика */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Размеры */
    --header-height: 80px;
    --footer-height: auto;
    --container-max: 1440px;
    --spacing-unit: 8px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   RESET & BASE
   ───────────────────────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-charcoal);
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul, ol {
    list-style: none;
}

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

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

/* ─────────────────────────────────────────────────────────────────────────────
   TYPOGRAPHY — Элегантная типографика
   ───────────────────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-black);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: 0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    letter-spacing: 0.015em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
}

p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-graphite);
}

/* ─────────────────────────────────────────────────────────────────────────────
   HEADER — Минималистичный фиксированный хедер
   ───────────────────────────────────────────────────────────────────────────── */
.header-fullwidth {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-smooth), background var(--transition-smooth);
}

.header-fullwidth.header-hidden {
    transform: translateY(-100%);
}

.header-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 5);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
    transition: var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo-main {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-black);
    text-transform: uppercase;
}

.logo-sub {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 300;
    letter-spacing: 0.25em;
    color: var(--color-silver);
    text-transform: uppercase;
    margin-top: -2px;
}

/* Navigation */
.main-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-list {
    display: flex;
    gap: calc(var(--spacing-unit) * 5);
    align-items: center;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-graphite);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-black);
    transition: width var(--transition-smooth);
}

.nav-link:hover {
    color: var(--color-black);
}

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

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--color-charcoal);
    transition: var(--transition-fast);
    position: relative;
}

.icon-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-black);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
}

.cart-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    background: var(--color-black);
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 12px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-charcoal);
    transition: var(--transition-fast);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Мобильные элементы (скрыты на десктопе) */
.mobile-nav-actions {
    display: none;
}

.mobile-nav-overlay {
    display: none;
}

/* ─────────────────────────────────────────────────────────────────────────────
   MAIN CONTENT
   ───────────────────────────────────────────────────────────────────────────── */
.main-content {
    min-height: calc(100vh - var(--header-height));
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 80px;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 5);
}

/* ─────────────────────────────────────────────────────────────────────────────
   PAGE TITLES — Заголовки страниц
   ───────────────────────────────────────────────────────────────────────────── */
.page-header {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 8);
    padding: calc(var(--spacing-unit) * 6) 0;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--color-black);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.page-subtitle {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--color-silver);
    text-transform: uppercase;
}

/* ─────────────────────────────────────────────────────────────────────────────
   CATALOG LAYOUT — Каталог с сайдбаром
   ───────────────────────────────────────────────────────────────────────────── */
.catalog-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: calc(var(--spacing-unit) * 6);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 5);
}

/* Sidebar */
.catalog-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 40px);
    height: fit-content;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: calc(var(--spacing-unit) * 4);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.sidebar-section {
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.sidebar-title {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-silver);
    margin-bottom: calc(var(--spacing-unit) * 2);
    padding-bottom: calc(var(--spacing-unit) * 1.5);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.category-list li {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.category-list a {
    font-size: 0.9rem;
    color: var(--color-graphite);
    transition: var(--transition-fast);
    display: block;
    padding: 4px 0;
}

.category-list a:hover,
.category-list a.active {
    color: var(--color-black);
    padding-left: 8px;
}
/* ─────────────────────────────────────────────────────────────────────────────
   PRODUCT GRID — Сетка товаров
   ───────────────────────────────────────────────────────────────────────────── */
.catalog-products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--spacing-unit) * 4);
}

/* Product Card */
.product-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: var(--transition-smooth);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
    border-color: transparent;
}

.product-image-wrapper {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--color-ivory);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-elegant);
}

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

/* Quick Actions */
.product-actions {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
    display: flex;
    gap: 8px;
    transition: var(--transition-smooth);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.action-btn {
    width: 44px;
    height: 44px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-fast);
}

.action-btn:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

/* Product Info */
.product-info {
    padding: calc(var(--spacing-unit) * 3);
    text-align: center;
}

.product-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: calc(var(--spacing-unit) * 1);
    transition: var(--transition-fast);
}

.product-card:hover .product-title {
    color: var(--color-charcoal);
}

.product-collection {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-silver);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.product-price {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-charcoal);
}

/* ─────────────────────────────────────────────────────────────────────────────
   COLLECTIONS GRID — Презентация коллекций
   ───────────────────────────────────────────────────────────────────────────── */
.collections-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 4);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 5);
}

.collection-card {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
}

.collection-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.2) 40%,
        transparent 100%
    );
    z-index: 1;
    transition: var(--transition-smooth);
}

.collection-card:hover::before {
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.1) 100%
    );
}

.collection-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-elegant);
}

.collection-card:hover .collection-image {
    transform: scale(1.08);
}

.collection-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: calc(var(--spacing-unit) * 4);
    z-index: 2;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.collection-card:hover .collection-content {
    transform: translateY(0);
}

.collection-label {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.collection-name {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.collection-count {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.collection-card:hover .collection-count {
    opacity: 1;
    transform: translateY(0);
}

/* Featured Collection — Большая карточка */
.collection-card.featured {
    grid-column: span 2;
    aspect-ratio: 16/9;
}

.collection-card.featured .collection-name {
    font-size: 2.5rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   HERO SECTION — Главная секция
   ───────────────────────────────────────────────────────────────────────────── */
.hero-section {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 5);
    position: relative;
}

.hero-content {
    max-width: 800px;
    background: var(--bg-glass);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    padding: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 10);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-subtitle {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-silver);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 300;
    line-height: 1.1;
    color: var(--color-black);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-graphite);
    margin-bottom: calc(var(--spacing-unit) * 5);
}

/* ─────────────────────────────────────────────────────────────────────────────
   BUTTONS — Кнопки
   ───────────────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 40px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: 50px;
    transition: var(--transition-smooth);
    cursor: pointer;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-black);
    border: 1px solid var(--color-black);
}

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

.btn-ghost {
    background: transparent;
    color: var(--color-charcoal);
    border: 1px solid rgba(0, 0, 0, 0.2);
}

.btn-ghost:hover {
    border-color: var(--color-black);
    color: var(--color-black);
}

/* Small Button */
.btn-sm {
    padding: 10px 24px;
    font-size: 0.7rem;
}

/* ─────────────────────────────────────────────────────────────────────────────
   FOOTER — Элегантный футер
   ───────────────────────────────────────────────────────────────────────────── */
.footer-fullwidth {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: auto;
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 5);
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: calc(var(--spacing-unit) * 6);
}

.footer-col {
    display: flex;
    flex-direction: column;
}

/* Footer Brand */
.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-black);
    text-transform: uppercase;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--color-silver);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-philosophy {
    font-family: var(--font-display);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-graphite);
    line-height: 1.6;
    max-width: 280px;
}

/* Footer Titles */
.footer-title {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-silver);
    margin-bottom: calc(var(--spacing-unit) * 3);
}

/* Footer Links */
.footer-links li {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-graphite);
}

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

/* Footer Email */
.footer-email {
    font-size: 0.9rem;
    color: var(--color-graphite);
    margin-bottom: calc(var(--spacing-unit) * 3);
    display: block;
}

.footer-email:hover {
    color: var(--color-black);
}

/* Footer Socials */
.footer-socials {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-graphite);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 5);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-silver);
}

/* ─────────────────────────────────────────────────────────────────────────────
   ANIMATIONS — Анимации
   ───────────────────────────────────────────────────────────────────────────── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s var(--transition-elegant) forwards;
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease forwards;
}

/* Stagger animation for cards */
.product-card,
.collection-card {
    opacity: 0;
    animation: fadeInUp 0.6s var(--transition-elegant) forwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }
.product-card:nth-child(5) { animation-delay: 0.5s; }
.product-card:nth-child(6) { animation-delay: 0.6s; }
.product-card:nth-child(7) { animation-delay: 0.7s; }
.product-card:nth-child(8) { animation-delay: 0.8s; }

/* ─────────────────────────────────────────────────────────────────────────────
   SCROLLBAR — Кастомный скроллбар
   ───────────────────────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-ivory);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-silver);
}
/* ─────────────────────────────────────────────────────────────────────────────
   SPECIAL COMPONENTS — Спецкомпоненты
   ───────────────────────────────────────────────────────────────────────────── */

/* Divider */
.divider {
    width: 60px;
    height: 1px;
    background: var(--color-pearl);
    margin: calc(var(--spacing-unit) * 4) auto;
}

/* Tag/Badge */
.tag {
    display: inline-block;
    padding: 6px 14px;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--color-ivory);
    color: var(--color-graphite);
    border-radius: 20px;
}

.tag-new {
    background: var(--color-black);
    color: var(--color-white);
}

/* Sale Badge on Product */
.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--color-silver);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

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

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

.breadcrumbs span {
    color: var(--color-graphite);
}

/* Loading State */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--color-ivory) 25%,
        var(--color-platinum) 50%,
        var(--color-ivory) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 8px;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Glass Card */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    padding: calc(var(--spacing-unit) * 4);
}

/* ─────────────────────────────────────────────────────────────────────────────
   CATALOG TITLE — Заголовок каталога
   ───────────────────────────────────────────────────────────────────────────── */
.catalog-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--color-black);
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 6);
}

/* ─────────────────────────────────────────────────────────────────────────────
   OLD STYLES COMPATIBILITY — Совместимость со старыми классами
   ───────────────────────────────────────────────────────────────────────────── */
.btn-more {
    display: inline-block;
    padding: 10px 24px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-charcoal);
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 30px;
    transition: var(--transition-fast);
    cursor: pointer;
}

.btn-more:hover {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

/* Catalog Row */
.catalog-row {
    display: flex;
    gap: calc(var(--spacing-unit) * 5);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 5);
}

/* ─────────────────────────────────────────────────────────────────────────────
   SIDEBAR FILTERS — Стили фильтрации каталога
   ───────────────────────────────────────────────────────────────────────────── */
.sidebar-sticky {
    position: sticky;
    top: calc(var(--header-height) + 40px);
    height: fit-content;
}

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

.filter-list li {
    margin-bottom: 2px;
}

.filter-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 0.9rem;
    color: var(--color-graphite);
    border-radius: 8px;
    transition: var(--transition-fast);
    text-decoration: none;
}

.filter-link:hover {
    background: rgba(0, 0, 0, 0.04);
    color: var(--color-black);
    padding-left: 16px;
}

.filter-link.active {
    background: var(--color-black);
    color: var(--color-white);
    font-weight: 500;
}

.filter-link.active .filter-count {
    color: rgba(255, 255, 255, 0.7);
}

.filter-count {
    font-size: 0.75rem;
    color: var(--color-silver);
    font-weight: 400;
}

/* Tags Cloud */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-link {
    display: inline-block;
    padding: 6px 14px;
    font-size: 0.8rem;
    color: var(--color-graphite);
    background: var(--color-ivory);
    border-radius: 20px;
    transition: var(--transition-fast);
    text-decoration: none;
}

.tag-link:hover {
    background: var(--color-charcoal);
    color: var(--color-white);
}

.tag-link.active {
    background: var(--color-black);
    color: var(--color-white);
}

/* Colors List */
.colors-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.color-link {
    display: inline-block;
    padding: 6px 14px;
    font-size: 0.8rem;
    color: var(--color-graphite);
    background: var(--color-ivory);
    border-radius: 20px;
    transition: var(--transition-fast);
    text-decoration: none;
}

.color-link:hover {
    background: var(--color-charcoal);
    color: var(--color-white);
}

.color-link.active {
    background: var(--color-black);
    color: var(--color-white);
}

/* Active Filters */
.active-filters {
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    padding-top: calc(var(--spacing-unit) * 3);
    margin-top: calc(var(--spacing-unit) * 2);
}

.active-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    font-size: 0.75rem;
    background: var(--color-ivory);
    border-radius: 20px;
    color: var(--color-charcoal);
}

.remove-filter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    font-size: 0.8rem;
    color: var(--color-graphite);
    text-decoration: none;
    transition: var(--transition-fast);
}

.remove-filter:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.clear-filters {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--color-silver);
    text-decoration: underline;
    transition: var(--transition-fast);
}

.clear-filters:hover {
    color: var(--color-black);
}


/* ═══════════════════════════════════════════════════════════════════════════
   ██████  RESPONSIVE — ПОЛНАЯ МОБИЛЬНАЯ АДАПТАЦИЯ  ██████
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────────
   DESKTOP (max-width: 1200px) — Планшет горизонтально
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
    .catalog-products {
        grid-template-columns: repeat(3, 1fr);
    }

    .collections-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .collection-card.featured {
        grid-column: span 2;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   TABLET (max-width: 992px) — Мобильное меню + перестройка каталога
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 992px) {

    /* Каталог в одну колонку */
    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .catalog-sidebar {
        position: static;
        margin-bottom: calc(var(--spacing-unit) * 4);
    }

    .catalog-products {
        grid-template-columns: repeat(3, 1fr);
    }

    /* ═══ МОБИЛЬНОЕ МЕНЮ — SLIDE-IN СПРАВА ═══ */
        .main-nav {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        left: auto !important;
        width: 300px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        height: 100dvh !important;
        background: #ffffff !important;
        z-index: 999 !important;
        transform: translateX(100%) !important;
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
        padding: 70px 28px 24px !important;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15) !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        display: flex !important;
        flex-direction: column !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .main-nav.active {
        transform: translateX(0) !important;
    }

    .nav-list {
        flex-direction: column !important;
        gap: 0 !important;
        align-items: stretch !important;
        padding-left: 0 !important;
        margin: 0 !important;
        list-style: none !important;
    }

    .nav-link {
        display: block !important;
        padding: 16px 0 !important;
        font-size: 1rem !important;
        letter-spacing: 0.08em !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
        color: var(--color-charcoal) !important;
        background: none !important;
        width: 100% !important;
    }

    .nav-link::after {
        display: none;
    }

    /* Корзина/Профиль внутри бокового меню */
    .mobile-nav-actions {
        display: flex;
        flex-direction: column;
        gap: 0;
        margin-top: 32px;
        padding-top: 24px;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
    }

    .mobile-nav-action-link {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 16px 0;
        font-size: 0.95rem;
        color: var(--color-graphite);
        text-decoration: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.04);
        transition: var(--transition-fast);
    }

    .mobile-nav-action-link:hover {
        color: var(--color-black);
    }

    .mobile-nav-action-link svg {
        flex-shrink: 0;
    }

    /* Оверлей за меню */
    .mobile-nav-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 998;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

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

    /* Показываем бургер */
    .mobile-menu-btn {
        display: flex !important;
        z-index: 1002 !important;
    }

    /* Скрываем десктопные иконки (они теперь в боковом меню) */
    .header-actions .cart-btn,
    .header-actions .profile-btn {
        display: none;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   TABLET SMALL (max-width: 768px) — 2 товара, компактный футер
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {

    :root {
        --header-height: 64px;
    }

    .header-content {
        padding: 0 16px;
    }

    .logo-main {
        font-size: 1.4rem;
        letter-spacing: 0.1em;
    }

    .logo-sub {
        font-size: 0.55rem;
        letter-spacing: 0.15em;
    }

    .main-content {
        padding-top: calc(var(--header-height) + 20px);
        padding-bottom: 40px;
    }

    .container {
        padding: 0 16px;
    }

    /* Каталог — 2 товара в ряд */
    .catalog-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .catalog-sidebar {
        border-radius: 12px;
        padding: 16px;
    }

    /* Коллекции — 1 колонка */
    .collections-grid {
        grid-template-columns: 1fr;
    }

    .collection-card.featured {
        grid-column: span 1;
        aspect-ratio: 4/5;
    }

    /* Футер — 1 колонка */
    .footer-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 4);
        text-align: center;
        padding: 40px 20px;
    }

    .footer-philosophy {
        max-width: none;
    }

    .footer-socials {
        justify-content: center;
    }

    .footer-bottom {
        padding: 16px 20px;
    }

    /* Hero */
    .hero-content {
        padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 4);
    }

    /* Отключаем hover на тач-устройствах */
    .product-card:hover {
        transform: none;
        box-shadow: var(--shadow-soft);
    }

    .product-card:hover .product-image {
        transform: none;
    }

    .collection-card:hover {
        transform: none;
    }

    .collection-card:hover .collection-image {
        transform: none;
    }

    /* ═══ КАРТОЧКА ТОВАРА (product_detail) ═══ */
    .product-detail-layout {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }

    .product-gallery {
        position: static !important;
    }

    .product-info-card {
        padding: 20px !important;
    }

    .product-info-card h1 {
        font-size: 1.4rem !important;
    }

    .price {
        font-size: 1.3rem !important;
    }

    .btn-cart {
        width: 100% !important;
        padding: 14px 30px !important;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .thumbs {
        justify-content: flex-start !important;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .thumb {
        width: 56px !important;
        height: 56px !important;
        flex-shrink: 0;
    }

    .specs {
        padding: 18px !important;
    }

    /* Лайтбокс */
    .lb-main {
        flex-direction: column !important;
    }

    .magnifier-result {
        display: none !important;
    }

    .lb-image-wrap {
        max-width: 95vw !important;
    }

    .lb-nav {
        width: 40px !important;
        height: 40px !important;
    }

    .lb-prev {
        left: 8px !important;
    }

    .lb-next {
        right: 8px !important;
    }

    /* ═══ КОРЗИНА ═══ */
    .cart-page {
        padding: 20px 0 40px !important;
    }

    .page-header {
        flex-direction: column !important;
        text-align: center !important;
        gap: 8px !important;
    }

    .page-title {
        font-size: 1.8rem !important;
    }

    .cart-item {
        flex-direction: column !important;
        padding: 16px !important;
    }

    .cart-item-image {
        width: 100% !important;
        height: 200px !important;
        border-radius: 10px !important;
    }

    .cart-item-info {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }

    .cart-item-subtotal {
        text-align: left !important;
    }

    .quantity-form {
        align-self: flex-start !important;
    }

    .remove-btn {
        align-self: flex-end !important;
        margin-top: -40px !important;
    }

    .summary-card {
        padding: 24px !important;
    }

    .total-value {
        font-size: 1.6rem !important;
    }

    /* ═══ КОЛЛЕКЦИИ (collection_list) ═══ */
    .collections-hero {
        padding: 100px 16px 40px !important;
    }

    .collections-hero .hero-title {
        font-size: 2rem !important;
    }

    .collections-hero .hero-desc {
        font-size: 0.7rem !important;
    }

    .collections-section {
        padding: 16px 0 60px !important;
    }

    .collections-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .card-content {
        padding: 16px !important;
    }

    .card-title {
        font-size: 1.1rem !important;
    }

    .card-desc {
        display: none !important;
    }

    .card-link {
        opacity: 1 !important;
        transform: none !important;
        font-size: 0.65rem !important;
    }

    .card-label {
        font-size: 0.5rem !important;
    }

    /* ═══ ГЛАВНАЯ (home) ═══ */
    .home-about-grid {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
    }

    .home-about-visual {
        max-width: 300px !important;
        margin: 0 auto !important;
    }

    .about-decoration {
        bottom: -10px !important;
        right: -10px !important;
        padding: 12px 18px !important;
    }

    .about-feature {
        padding: 12px 16px !important;
    }

    .feature-icon {
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
    }

    .social-links-home {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .social-card {
        padding: 20px 12px !important;
    }

    .social-card-icon {
        width: 44px !important;
        height: 44px !important;
    }

    .home-about,
    .home-collections,
    .home-featured,
    .home-new,
    .home-social {
        padding: 48px 0 !important;
    }

    .home-final-cta {
        padding: 60px 0 !important;
    }

    .section-header {
        margin-bottom: 32px !important;
    }

    .featured-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .product-card-home {
        border-radius: 12px !important;
    }

    .product-card-home:hover {
        transform: none !important;
        box-shadow: none !important;
    }

    .product-hover-home {
        display: none !important;
    }

    .product-info-home {
        padding: 12px 10px !important;
    }

    .product-name-home {
        font-size: 0.9rem !important;
    }

    .product-price-home {
        font-size: 0.85rem !important;
    }

    .product-collection-home {
        font-size: 0.6rem !important;
    }

    .new-product-link {
        grid-template-columns: 1fr !important;
    }

    .new-product-image {
        aspect-ratio: 16/9 !important;
    }

    .new-product-info {
        padding: 20px !important;
    }

    .glass-card {
        padding: 20px !important;
        border-radius: 12px !important;
    }
}
/* ─────────────────────────────────────────────────────────────────────────────
   MOBILE (max-width: 576px) — Смартфоны
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 576px) {

    :root {
        --header-height: 60px;
    }

    .header-content {
        padding: 0 12px;
    }

    .logo-main {
        font-size: 1.25rem;
    }

    .logo-sub {
        display: none;
    }

    .main-content {
        padding-top: calc(var(--header-height) + 16px);
        padding-bottom: 32px;
    }

    .container {
        padding: 0 12px;
    }

    /* Каталог — 2 товара компактно */
    .catalog-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .product-info {
        padding: 12px 10px;
    }

    .product-title {
        font-size: 0.9rem;
    }

    .product-price {
        font-size: 0.85rem;
    }

    .product-collection {
        font-size: 0.6rem;
        margin-bottom: 4px;
    }

    /* Кнопки */
    .btn {
        padding: 12px 24px;
        font-size: 0.7rem;
    }

    /* Футер компактнее */
    .footer-content {
        padding: 32px 16px;
        gap: 24px;
    }

    .footer-links a {
        font-size: 0.85rem;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   MOBILE SMALL (max-width: 480px) — Маленькие смартфоны
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {

    /* Главная — featured товары */
    .featured-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }

    /* Главная — соцсети */
    .social-links-home {
        grid-template-columns: 1fr !important;
    }

    /* Главная — коллекции */
    .collections-grid-home {
        grid-template-columns: 1fr !important;
    }

    .collection-card-home {
        aspect-ratio: 16/9 !important;
    }

    /* Hero кнопки */
    .hero-buttons {
        flex-direction: column !important;
        align-items: center !important;
    }

    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100% !important;
        max-width: 260px !important;
        text-align: center !important;
        padding: 14px 30px !important;
        font-size: 0.75rem !important;
    }

    .scroll-indicator {
        display: none !important;
    }

    /* Карточка товара */
    .product-detail-page {
        padding: 20px 0 40px !important;
    }

    .product-info-card h1 {
        font-size: 1.2rem !important;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }

    .card-info {
        padding: 10px !important;
    }

    /* Характеристики товара */
    .spec {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 4px !important;
    }

    .spec-value {
        text-align: left !important;
        max-width: 100% !important;
    }

    /* Корзина */
    .cart-item-image {
        height: 160px !important;
    }

    .cart-item-title {
        font-size: 1rem !important;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   VERY SMALL (max-width: 400px) — Самые маленькие экраны
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 400px) {

    .container {
        padding: 0 10px;
    }

    /* Каталог — ещё компактнее */
    .catalog-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .product-info {
        padding: 10px 8px;
    }

    .product-title {
        font-size: 0.8rem;
        line-height: 1.2;
    }

    .product-price {
        font-size: 0.8rem;
    }

    .product-collection {
        display: none;
    }

    .product-badge {
        top: 8px;
        left: 8px;
        padding: 3px 8px;
        font-size: 0.55rem;
    }

    /* Мобильное меню уже */
    .main-nav {
        width: 260px !important;
        max-width: 85vw !important;
        padding: 60px 20px 20px !important;
    }

    /* Коллекции — 1 колонка */
    .collections-grid {
        grid-template-columns: 1fr !important;
        max-width: 320px !important;
        margin: 0 auto !important;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   КОРЗИНА — Отдельный breakpoint (max-width: 1100px)
   ───────────────────────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {

    .cart-layout {
        grid-template-columns: 1fr !important;
    }

    .cart-summary {
        position: static !important;
    }
}