/* ========================================
   CSS Variables & Design System
======================================== */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: rgba(255, 255, 255, 0.03);
    --color-bg-card-hover: rgba(255, 255, 255, 0.06);

    --color-accent: #e31837;
    --color-accent-glow: rgba(227, 24, 55, 0.3);
    --color-accent-soft: rgba(227, 24, 55, 0.1);

    --color-text-primary: #ffffff;
    --color-text-secondary: #888888;
    --color-text-muted: #555555;

    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-glow: 0 0 40px var(--color-accent-glow);
}

/* ========================================
   Reset & Base Styles
======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

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

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

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

input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   Container
======================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ========================================
   Navbar
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-right: var(--space-sm);
}

.logo-ray {
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.logo-meta {
    color: var(--color-accent);
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--space-xl);
    flex-direction: column;
    gap: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    z-index: 999;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-primary);
    box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-primary:hover {
    background: #ff1f42;
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--color-accent-glow);
}

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

.btn-secondary:hover {
    background: var(--color-bg-card);
    border-color: var(--color-border-hover);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow-x: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--color-accent-soft) 0%, transparent 60%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-accent), #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-brand {
    display: inline-block;
    font-size: 0.7em;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.02em;
    opacity: 0.9;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-hotline {
    margin-bottom: var(--space-lg);
}

.hotline-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-full);
    color: #22c55e;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-base);
}

.hotline-link:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.4);
    transform: translateY(-2px);
}

.hotline-link svg {
    color: #22c55e;
    flex-shrink: 0;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.hero-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--color-accent);
    filter: blur(150px);
    opacity: 0.3;
    border-radius: 50%;
}

.hero-glasses-img {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.5));
    animation: floatGlasses 4s ease-in-out infinite;
}

@keyframes floatGlasses {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        display: flex;
        justify-content: center;
        margin-top: var(--space-2xl);
        position: relative;
    }

    .hero-glasses-img {
        max-width: 280px;
    }

    .hero-image-glow {
        width: 200px;
        height: 200px;
    }

    .hero-hotline {
        justify-content: center;
        display: flex;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: var(--font-size-3xl);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        gap: var(--space-xl);
    }
}

/* ========================================
   Section Headers
======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

@media (max-width: 640px) {
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
}

/* ========================================
   Catalog Section
======================================== */
.catalog {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

/* Smooth gradient transition from hero to catalog */
.catalog::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to bottom, var(--color-bg-primary), var(--color-bg-secondary));
    pointer-events: none;
}

.catalog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.filter-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.toggle-buttons {
    display: flex;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--color-border);
}

.toggle-btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.toggle-btn.active {
    background: var(--color-accent);
    color: var(--color-text-primary);
}

.toggle-btn:not(.active):hover {
    color: var(--color-text-primary);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .catalog {
        padding: var(--space-xl) 0;
    }

    .catalog .container {
        padding: 0 var(--space-xs);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 4px;
    }

    .product-card {
        padding: 6px;
    }

    .product-image {
        aspect-ratio: 1/1;
        margin-bottom: 4px;
        border-radius: var(--radius-sm);
    }

    .product-badge {
        font-size: 0.55rem;
        padding: 1px 3px;
        margin-bottom: 3px;
    }

    .product-name {
        font-size: 0.7rem;
        margin-bottom: 1px;
        line-height: 1.2;
    }

    .product-color {
        font-size: 0.6rem;
        margin-bottom: 4px;
        line-height: 1.2;
    }

    .product-prices {
        margin-bottom: 4px;
        gap: 1px;
    }

    .price-row .price-current {
        font-size: 0.65rem;
    }

    .price-row .price-label {
        font-size: 0.5rem;
    }

    /* Mobile: wholesale prominent, retail faded */
    .price-row.price-wholesale .price-current {
        font-size: 0.7rem;
        font-weight: 700;
    }

    .price-row.price-retail .price-current {
        font-size: 0.55rem;
    }

    .product-card .btn {
        padding: 4px 6px;
        font-size: 0.55rem;
    }

    .price-info-banner {
        padding: var(--space-xs);
        font-size: 0.65rem;
        margin-bottom: var(--space-md);
    }

    .price-info-banner svg {
        width: 14px;
        height: 14px;
    }

    .section-header {
        margin-bottom: var(--space-md);
    }

    .section-header h2 {
        font-size: var(--font-size-xl);
    }

    .section-header p {
        font-size: var(--font-size-sm);
    }
}

.product-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.product-image {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-primary));
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

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

.product-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.product-badge.new {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.product-badge.refurbished {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
}

.product-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.product-color {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.product-price {
    margin-top: auto;
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.price-current {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.price-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.product-card .btn {
    width: 100%;
}

@media (max-width: 640px) {
    .catalog-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .toggle-buttons {
        width: 100%;
    }

    .toggle-btn {
        flex: 1;
        text-align: center;
    }
}

/* Coming Soon Placeholder */
.coming-soon-placeholder {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) var(--space-xl);
    text-align: center;
    color: var(--color-text-secondary);
}

.coming-soon-placeholder svg {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.coming-soon-placeholder h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.coming-soon-placeholder p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
}

/* Category Toggle Styles - Multiple buttons */
.toggle-buttons {
    display: flex;
    flex-wrap: wrap;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--color-border);
    gap: 4px;
}

@media (max-width: 768px) {
    .toggle-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }

    .toggle-btn {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--font-size-xs);
    }
}

/* ========================================
   Features Section
======================================== */
.features {
    padding: var(--space-4xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-accent-soft);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .features {
        padding: var(--space-2xl) 0;
    }

    .features .container {
        padding: 0 var(--space-sm);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xs);
    }

    .feature-card {
        padding: var(--space-sm);
        border-radius: var(--radius-md);
    }

    .feature-icon {
        width: 36px;
        height: 36px;
        margin-bottom: var(--space-sm);
    }

    .feature-icon svg {
        width: 18px;
        height: 18px;
    }

    .feature-card h3 {
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-xs);
    }

    .feature-card p {
        font-size: var(--font-size-xs);
        line-height: 1.5;
    }
}

/* ========================================
   Order Section
======================================== */
.order {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.order-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.order-info h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.order-info>p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.order-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text-secondary);
}

.benefit svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

/* Order Form */
.order-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.optional-hint {
    font-weight: 400;
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

/* Telegram Auth Section */
.telegram-auth-section {
    text-align: center;
    padding: var(--space-xl);
}

.auth-info {
    margin-bottom: var(--space-xl);
}

.auth-info svg {
    color: #0088cc;
    margin-bottom: var(--space-md);
}

.auth-info p {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.auth-info small {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

#telegramWidget {
    display: flex;
    justify-content: center;
}

.verified-user {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.verified-badge {
    display: inline-block;
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.user-info {
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
}

/* Telegram Send Section */
.telegram-send-section {
    text-align: center;
    margin-top: var(--space-lg);
}

.telegram-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.btn-telegram {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    background: linear-gradient(135deg, #0088cc, #0099dd);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-telegram:hover {
    background: linear-gradient(135deg, #0077bb, #0088cc);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 136, 204, 0.4);
}

.btn-telegram svg {
    flex-shrink: 0;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

@media (max-width: 1024px) {
    .order-content {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Footer
======================================== */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-2xl);
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--space-md);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.exchange-rate-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.exchange-rate-indicator svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.exchange-rate-indicator #exchangeRateValue {
    font-weight: 600;
    color: var(--color-text-primary);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }
}

/* ========================================
   Animations
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease forwards;
}

.product-card {
    animation: fadeInUp 0.5s ease forwards;
}

/* Smooth scroll offset for fixed header */
:target {
    scroll-margin-top: 100px;
}

/* ========================================
   Language Switcher & Nav Right
======================================== */
.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.lang-switcher {
    display: flex;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: 3px;
    border: 1px solid var(--color-border);
}

.lang-btn {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.lang-btn.active {
    background: var(--color-accent);
    color: var(--color-text-primary);
}

.lang-btn:not(.active):hover {
    color: var(--color-text-primary);
}

/* Cart Button */
.cart-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.cart-btn:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
}

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

.cart-count {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    background: var(--color-accent);
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

@media (max-width: 768px) {
    .nav-right {
        gap: var(--space-sm);
    }

    .lang-btn {
        padding: var(--space-xs) var(--space-sm);
    }
}

/* ========================================
   Price Info Banner
======================================== */
.price-info-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2xl);
    color: #22c55e;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.price-info-banner svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ========================================
   Product Prices (dual display)
======================================== */
.product-prices {
    margin-top: auto;
    margin-bottom: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.price-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.price-row .price-current {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Wholesale price - prominent (shown first) */
.price-row.price-wholesale {
    opacity: 1;
}

.price-row.price-wholesale .price-current {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

/* Retail price - faded (shown second) */
.price-row.price-retail {
    opacity: 0.6;
}

.price-row.price-retail .price-current {
    font-size: var(--font-size-base);
}

.add-to-cart-btn {
    margin-top: var(--space-sm);
}

/* ========================================
   Cart Sidebar
======================================== */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1100;
}

.cart-overlay.open {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 420px;
    height: 100vh;
    background: var(--color-bg-primary);
    border-left: 1px solid var(--color-border);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 1101;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    transform: translateX(0);
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.cart-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.cart-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.cart-close:hover {
    color: var(--color-text-primary);
}

.cart-close svg {
    width: 24px;
    height: 24px;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--color-text-muted);
    gap: var(--space-md);
}

.cart-empty svg {
    width: 64px;
    height: 64px;
    opacity: 0.3;
}

.cart-footer {
    padding: var(--space-lg) var(--space-xl);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.cart-pricing-info {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
}

.cart-pricing-info.wholesale {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.cart-pricing-info .wholesale-badge {
    font-weight: 600;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.cart-total-value {
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
}

.cart-clear {
    width: 100%;
    margin-bottom: var(--space-sm);
}

/* Cart Item */
.cart-item {
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.cart-item-badge {
    display: inline-block;
    padding: 2px 6px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: 4px;
    margin-bottom: var(--space-xs);
}

.cart-item-badge.new {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.cart-item-badge.refurbished {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
}

.cart-item-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 2px;
}

.cart-item-color {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.cart-item-price {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.cart-item-price strong {
    color: var(--color-text-primary);
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.qty-btn {
    width: 32px;
    height: 32px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.qty-btn:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
}

.qty-value {
    min-width: 32px;
    text-align: center;
    font-weight: 600;
}

.remove-btn {
    margin-left: auto;
    width: 32px;
    height: 32px;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.remove-btn:hover {
    color: var(--color-accent);
}

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

/* ========================================
   Checkout Modal
======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1200;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.modal-close svg {
    width: 24px;
    height: 24px;
}

.modal-body {
    padding: var(--space-xl);
}

/* Order Summary in Modal */
.order-summary {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.order-summary h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.order-items {
    margin-bottom: var(--space-md);
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border);
}

.order-item:last-child {
    border-bottom: none;
}

.order-total-row {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.order-pricing-type {
    text-align: center;
    padding: var(--space-sm);
    margin: var(--space-sm) 0;
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.order-total {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-md);
    font-size: var(--font-size-lg);
    font-weight: 700;
    border-top: 1px solid var(--color-border);
}

/* Checkout Form */
.checkout-form .form-group {
    margin-bottom: var(--space-md);
}

.checkout-form .form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.checkout-form .form-group input {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast);
}

.checkout-form .form-group input::placeholder {
    color: var(--color-text-muted);
}

.checkout-form .form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* ========================================
   Toast Notification
======================================== */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1300;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast-message {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
}

/* ========================================
   Floating Contact Button (FAB)
======================================== */
.contact-fab {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 1050;
}

.fab-main {
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    box-shadow: 0 4px 20px var(--color-accent-glow);
    transition: all var(--transition-base);
    cursor: pointer;
}

.fab-main:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px var(--color-accent-glow);
}

.fab-main svg {
    width: 28px;
    height: 28px;
}

.fab-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.contact-fab.open .fab-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fab-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.fab-option:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateX(-5px);
}

.fab-option svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.fab-phone svg {
    color: #22c55e;
}

.fab-telegram svg {
    color: #0088cc;
}

@media (max-width: 640px) {
    .contact-fab {
        bottom: var(--space-lg);
        right: var(--space-lg);
    }

    .fab-main {
        width: 54px;
        height: 54px;
    }

    .fab-main svg {
        width: 24px;
        height: 24px;
    }
}