/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 2025 Design System - Neural Network Inspired */
    --neural-black: #0d0d0f;
    --neural-dark: #141419;
    --neural-medium: #1c1c24;
    --neural-light: #2a2a35;
    --neural-accent: #3a3a4a;
    --neural-text: #e4e4e7;
    --neural-white: #fafafa;
    
    /* 2025 Accent Colors - Quantum Inspired */
    --quantum-orange: #ff6b35;
    --quantum-gold: #ffd700;
    --quantum-cyan: #00d4ff;
    --quantum-purple: #a855f7;
    --quantum-green: #22c55e;
    --quantum-pink: #ec4899;
    
    /* 2025 Advanced Gradients */
    --gradient-neural: linear-gradient(135deg, 
        #0d0d0f 0%, 
        #141419 25%, 
        #1c1c24 50%, 
        #2a2a35 100%);
    --gradient-glass: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    --gradient-quantum: linear-gradient(135deg, 
        #ff6b35 0%, 
        #00d4ff 50%, 
        #a855f7 100%);
    --gradient-holographic: linear-gradient(45deg,
        #ff6b35 0%,
        #ffd700 25%,
        #00d4ff 50%,
        #a855f7 75%,
        #ec4899 100%);
    
    /* 2025 Mesh Gradients */
    --mesh-bg: radial-gradient(at 27% 37%, hsla(215, 98%, 61%, 1) 0px, transparent 0%),
               radial-gradient(at 97% 21%, hsla(125, 98%, 72%, 1) 0px, transparent 50%),
               radial-gradient(at 52% 99%, hsla(354, 98%, 61%, 1) 0px, transparent 50%),
               radial-gradient(at 10% 29%, hsla(256, 96%, 67%, 1) 0px, transparent 50%),
               radial-gradient(at 97% 96%, hsla(38, 60%, 74%, 1) 0px, transparent 50%),
               radial-gradient(at 33% 50%, hsla(222, 67%, 73%, 1) 0px, transparent 50%),
               radial-gradient(at 79% 53%, hsla(343, 68%, 79%, 1) 0px, transparent 50%);
    
    /* 2025 Typography System */
    --font-primary: 'Inter Variable', 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Inter Display', 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono Variable', 'Fira Code', monospace;
    
    /* Font Weights */
    --weight-thin: 100;
    --weight-light: 300;
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-black: 900;
    
    /* 2025 Typography Scale */
    --text-xs: clamp(0.7rem, 0.5vw + 0.6rem, 0.75rem);
    --text-sm: clamp(0.8rem, 0.6vw + 0.7rem, 0.875rem);
    --text-base: clamp(0.9rem, 0.8vw + 0.8rem, 1rem);
    --text-lg: clamp(1rem, 1vw + 0.9rem, 1.125rem);
    --text-xl: clamp(1.125rem, 1.2vw + 1rem, 1.25rem);
    --text-2xl: clamp(1.25rem, 1.5vw + 1.1rem, 1.5rem);
    --text-3xl: clamp(1.5rem, 2vw + 1.3rem, 1.875rem);
    --text-4xl: clamp(1.875rem, 2.5vw + 1.6rem, 2.25rem);
    --text-5xl: clamp(2.25rem, 3vw + 2rem, 3rem);
    --text-6xl: clamp(3rem, 4vw + 2.5rem, 4rem);
    
    /* 2025 Spatial System */
    --container-2xs: 16rem;   /* 256px */
    --container-xs: 20rem;    /* 320px */
    --container-sm: 24rem;    /* 384px */
    --container-md: 28rem;    /* 448px */
    --container-lg: 32rem;    /* 512px */
    --container-xl: 36rem;    /* 576px */
    --container-2xl: 42rem;   /* 672px */
    --container-3xl: 48rem;   /* 768px */
    --container-4xl: 56rem;   /* 896px */
    --container-5xl: 64rem;   /* 1024px */
    --container-6xl: 72rem;   /* 1152px */
    --container-7xl: 80rem;   /* 1280px */
    --container-max: 90rem;   /* 1440px */
    
    /* Fluid Spacing */
    --space-3xs: clamp(0.25rem, 0.25rem + 0vw, 0.25rem);
    --space-2xs: clamp(0.5rem, 0.5rem + 0vw, 0.5rem);
    --space-xs: clamp(0.75rem, 0.7rem + 0.25vw, 1rem);
    --space-s: clamp(1rem, 0.9rem + 0.5vw, 1.5rem);
    --space-m: clamp(1.5rem, 1.3rem + 1vw, 2.5rem);
    --space-l: clamp(2rem, 1.8rem + 1vw, 3rem);
    --space-xl: clamp(3rem, 2.6rem + 2vw, 5rem);
    --space-2xl: clamp(4rem, 3.5rem + 2.5vw, 6.5rem);
    --space-3xl: clamp(5rem, 4.3rem + 3.5vw, 8.5rem);
    
    /* 2025 Advanced Shadows - Multi-layered */
    --shadow-neural: 
        0 1px 2px rgba(0, 0, 0, 0.4),
        0 2px 4px rgba(0, 0, 0, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.2),
        0 8px 16px rgba(0, 0, 0, 0.1),
        0 16px 32px rgba(0, 0, 0, 0.05);
    --shadow-glassmorphism: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    --shadow-neomorphism-out: 
        20px 20px 60px rgba(0, 0, 0, 0.5),
        -20px -20px 60px rgba(255, 255, 255, 0.02);
    --shadow-neomorphism-in: 
        inset 20px 20px 60px rgba(0, 0, 0, 0.3),
        inset -20px -20px 60px rgba(255, 255, 255, 0.02);
    --shadow-quantum: 
        0 0 50px rgba(255, 107, 53, 0.3),
        0 0 100px rgba(0, 212, 255, 0.2),
        0 0 150px rgba(168, 85, 247, 0.1);
    --shadow-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-elevation-2: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    --shadow-elevation-3: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
    --shadow-elevation-4: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
    --shadow-elevation-5: 0 19px 38px rgba(0, 0, 0, 0.30), 0 15px 12px rgba(0, 0, 0, 0.22);
    
    /* 2025 Advanced Transitions */
    --transition-micro: 0.1s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-elastic: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-morph: 0.6s cubic-bezier(0.19, 1, 0.22, 1);
    
    /* 2025 Border Radius */
    --radius-none: 0px;
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-3xl: 24px;
    --radius-4xl: 32px;
    --radius-full: 9999px;
    --radius-organic: 63% 37% 54% 46% / 55% 48% 52% 45%;
    
    /* 2025 Blur Effects */
    --blur-xs: blur(2px);
    --blur-sm: blur(4px);
    --blur-md: blur(8px);
    --blur-lg: blur(16px);
    --blur-xl: blur(24px);
    --blur-2xl: blur(40px);
    --blur-3xl: blur(64px);
}

body {
    font-family: var(--font-primary);
    font-variation-settings: 'wght' 400;
    line-height: 1.6;
    color: var(--neural-text);
    background: var(--neural-black);
    overflow-x: hidden;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--quantum-orange) var(--neural-dark);
}

/* Removed excessive mesh animation */

/* 2025 Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--neural-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, var(--quantum-orange), var(--quantum-cyan));
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, var(--quantum-cyan), var(--quantum-purple));
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 2025 Neural Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 13, 15, 0.8);
    backdrop-filter: var(--blur-xl) saturate(180%) contrast(120%);
    -webkit-backdrop-filter: var(--blur-xl) saturate(180%) contrast(120%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    border-image: var(--gradient-quantum) 1;
    box-shadow: var(--shadow-glassmorphism);
    z-index: 1000;
    transition: all var(--transition-morph);
    will-change: transform, background-color;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-holographic);
    opacity: 0.6;
    filter: blur(1px);
}

.header.scrolled {
    background: rgba(13, 13, 15, 0.95);
    backdrop-filter: var(--blur-2xl) saturate(200%) contrast(150%);
    transform: translateY(0);
    box-shadow: var(--shadow-neural);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    gap: var(--space-s);
    min-height: 60px;
}

.logo h1 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: var(--weight-black);
    color: var(--neural-white);
    margin: 0;
    letter-spacing: -0.01em;
    line-height: 1;
}

.logo .tagline {
    font-size: 0.65rem;
    color: var(--neural-accent);
    font-weight: var(--weight-medium);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.6;
    margin: 0;
    line-height: 1;
}

/* Removed excessive holographic animations */

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    gap: 4px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--neural-text);
    transition: all var(--transition-fast);
    border-radius: var(--radius-full);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 1rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav a {
    color: var(--neural-text);
    text-decoration: none;
    font-weight: var(--weight-medium);
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
    background: transparent;
    border: 1px solid transparent;
}

.nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-glass);
    transition: left var(--transition-bounce);
    z-index: -1;
}

.nav a:hover {
    color: var(--neural-white);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 107, 53, 0.3);
    box-shadow: 
        var(--shadow-elevation-2),
        0 0 20px rgba(255, 107, 53, 0.2);
    transform: translateY(-1px);
}

.nav a:hover::before {
    left: 100%;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-quantum);
    transition: all var(--transition-elastic);
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.nav a:hover::after {
    width: 80%;
}

.nav a:active {
    transform: translateY(0) scale(0.98);
}

.cart-btn {
    background: var(--neural-medium);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem;
    border-radius: var(--radius-lg);
    color: var(--neural-text);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
    font-size: 1rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-btn::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: var(--radius-2xl);
    background: var(--gradient-glass);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.cart-btn:hover {
    box-shadow: var(--shadow-neomorphism-in);
    transform: translateY(-2px) scale(1.05);
    color: var(--quantum-orange);
    border-color: rgba(255, 107, 53, 0.3);
}

.cart-btn:hover::before {
    opacity: 1;
}

.cart-btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: var(--shadow-neomorphism-in);
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--quantum-orange);
    color: var(--neural-white);
    border-radius: var(--radius-full);
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--weight-bold);
    border: 1px solid var(--neural-black);
}

/* Removed excessive pulse animation */

/* 2025 Neural Hero Section */
.hero {
    min-height: 100dvh;
    position: relative;
    display: grid;
    place-items: center;
    text-align: center;
    background: transparent;
    overflow: hidden;
    container-type: inline-size;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    opacity: 0.4;
    z-index: -1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="neural-grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.02)" stroke-width="0.5"/><circle cx="10" cy="10" r="0.5" fill="rgba(255,107,53,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23neural-grid)"/></svg>');
    opacity: 0.4;
    animation: gridShift 20s linear infinite;
}

@keyframes gridShift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: min(90vw, 1000px);
    padding: var(--space-l);
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: var(--blur-md);
    border-radius: var(--radius-4xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-glassmorphism);
}

.hero-content h2 {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: var(--weight-black);
    margin-bottom: var(--space-m);
    background: linear-gradient(135deg, var(--neural-white) 0%, var(--quantum-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

@keyframes holographicFlow {
    0%, 100% { 
        background-position: 0% 50%;
        filter: hue-rotate(0deg) saturate(100%);
    }
    25% { 
        background-position: 100% 50%;
        filter: hue-rotate(90deg) saturate(120%);
    }
    50% { 
        background-position: 100% 100%;
        filter: hue-rotate(180deg) saturate(100%);
    }
    75% { 
        background-position: 0% 100%;
        filter: hue-rotate(270deg) saturate(120%);
    }
}

@keyframes textReveal {
    0% {
        opacity: 0;
        transform: translateY(50px) rotateX(90deg);
        filter: blur(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
        filter: blur(0px);
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--light-gray);
    margin-bottom: 2rem;
    font-weight: var(--font-weight-normal);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    font-weight: var(--font-weight-medium);
}

.feature i {
    color: var(--accent-orange);
    font-size: 1.1rem;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-s);
    background: var(--neural-medium);
    color: var(--neural-white);
    padding: var(--space-m) var(--space-xl);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: var(--weight-bold);
    font-size: var(--text-lg);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all var(--transition-spring);
    box-shadow: var(--shadow-neomorphism-out);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: var(--blur-sm);
    cursor: pointer;
    user-select: none;
}

.cta-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-quantum);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--radius-full);
    z-index: -1;
}

.cta-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    transition: all var(--transition-bounce);
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.cta-btn:hover::before {
    left: 100%;
}

.cta-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        var(--shadow-elevation-5),
        var(--shadow-quantum);
    border-color: rgba(255, 107, 53, 0.6);
    color: var(--neural-black);
}

.cta-btn:hover::before {
    opacity: 1;
    animation: buttonPulse 1.5s ease-in-out infinite;
}

.cta-btn:hover::after {
    width: 300px;
    height: 300px;
    opacity: 0.3;
}

.cta-btn:active {
    transform: translateY(-2px) scale(0.98);
    box-shadow: var(--shadow-elevation-3);
}

@keyframes buttonPulse {
    0%, 100% { 
        opacity: 1;
        transform: scale(1);
    }
    50% { 
        opacity: 0.8;
        transform: scale(1.02);
    }
}

/* Promo Banner */
.promo-banner {
    background: var(--gradient-card);
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.promo-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    animation: shimmer 3s infinite;
}

.promo-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.social-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.social-links span {
    color: var(--accent-orange);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
}

.promo-content p {
    font-weight: var(--font-weight-medium);
    color: var(--white);
}

.telegram-link {
    color: var(--accent-orange);
    font-weight: var(--font-weight-semibold);
}

/* Section Styles */
.section-title {
    font-size: 3rem;
    font-weight: var(--font-weight-black);
    text-align: center;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

/* Catalog Section */
.catalog {
    padding: var(--section-padding);
    background: var(--charcoal);
}

.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--medium-gray);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 350px), 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    container-type: inline-size;
}

@container (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--space-l);
    }
}

.product-card {
    background: rgba(28, 28, 36, 0.4);
    backdrop-filter: var(--blur-lg);
    border-radius: var(--radius-3xl);
    overflow: hidden;
    transition: all var(--transition-spring);
    box-shadow: var(--shadow-glassmorphism);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    container-type: inline-size;
    will-change: transform, box-shadow;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glass);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--radius-3xl);
    z-index: 0;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-holographic);
    opacity: 0;
    transition: opacity var(--transition-normal);
    filter: blur(1px);
}

.product-card:hover {
    transform: translateY(-16px) rotateX(5deg) rotateY(2deg);
    box-shadow: 
        var(--shadow-elevation-5),
        var(--shadow-quantum);
    border-color: rgba(255, 107, 53, 0.4);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover::after {
    opacity: 1;
    animation: holographicScan 2s ease-in-out infinite;
}

@keyframes holographicScan {
    0%, 100% { 
        background-position: 0% 50%;
    }
    50% { 
        background-position: 100% 50%;
    }
}

.product-image {
    width: 100%;
    aspect-ratio: 4/3;
    position: relative;
    overflow: hidden;
    background: 
        linear-gradient(135deg, var(--neural-medium) 0%, var(--neural-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neural-accent);
    font-size: var(--text-5xl);
}

.product-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.03) 50%, transparent 70%),
        radial-gradient(circle at 30% 70%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.product-card:hover .product-image::after {
    opacity: 1;
}

.product-info {
    padding: var(--space-l);
    background: 
        linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: var(--blur-sm);
    position: relative;
    z-index: 1;
}

.product-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    font-variation-settings: 'wght' 700;
    margin-bottom: var(--space-s);
    color: var(--neural-white);
    line-height: 1.3;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--neural-white) 0%, var(--neural-text) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-price {
    font-family: var(--font-mono);
    font-size: var(--text-2xl);
    font-weight: var(--weight-black);
    background: var(--gradient-quantum);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-s);
    animation: priceGlow 3s ease-in-out infinite alternate;
    text-shadow: 
        0 0 20px rgba(255, 107, 53, 0.5),
        0 0 40px rgba(0, 212, 255, 0.3);
}

@keyframes priceGlow {
    0% { 
        background-position: 0% 50%;
        filter: brightness(1);
    }
    100% { 
        background-position: 100% 50%;
        filter: brightness(1.2);
    }
}

.product-description {
    color: var(--light-gray);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.add-to-cart {
    width: 100%;
    background: var(--neural-medium);
    color: var(--neural-text);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-s) var(--space-m);
    border-radius: var(--radius-full);
    font-weight: var(--weight-semibold);
    font-size: var(--text-sm);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-spring);
    box-shadow: var(--shadow-neomorphism-out);
    backdrop-filter: var(--blur-sm);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    user-select: none;
}

.add-to-cart::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-quantum);
    opacity: 0;
    transition: all var(--transition-spring);
    border-radius: var(--radius-full);
    z-index: -1;
}

.add-to-cart::after {
    content: '';
    position: absolute;
    top: 50%;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transition: left var(--transition-bounce);
    transform: translateY(-50%);
}

.add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 
        var(--shadow-elevation-4),
        0 0 30px rgba(255, 107, 53, 0.3);
    border-color: rgba(255, 107, 53, 0.4);
    color: var(--neural-black);
}

.add-to-cart:hover::before {
    opacity: 1;
}

.add-to-cart:hover::after {
    left: 100%;
}

.add-to-cart:active {
    transform: translateY(0) scale(0.98);
    box-shadow: var(--shadow-neomorphism-in);
}

.add-to-cart:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}

.add-to-cart:disabled:hover {
    transform: none;
    box-shadow: var(--shadow-neomorphism-out);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Stock Status Styles */
.stock-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
    margin-bottom: 1rem;
}

.stock-status.in-stock {
    background: rgba(40, 167, 69, 0.2);
    color: var(--success-green);
    border: 1px solid var(--success-green);
}

.stock-status.out-of-stock {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    border: 1px solid #dc3545;
}

.stock-status.sold {
    background: rgba(220, 53, 69, 0.2);
    color: #dc3545;
    border: 1px solid #dc3545;
    font-weight: var(--font-weight-bold);
}

.stock-status.price-check {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid #ffc107;
}

/* Product Status and Brand Badges */
.product-image {
    position: relative;
    overflow: hidden;
}

.product-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all var(--transition-spring);
    filter: brightness(0.85) contrast(1.1) saturate(1.1);
    will-change: transform, filter;
}

.product-card:hover .product-photo {
    transform: scale(1.1) rotate(-1deg);
    filter: brightness(1) contrast(1.3) saturate(1.2);
}

.status-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
}

.status-badge.new {
    background: linear-gradient(135deg, var(--success-green) 0%, #20c997 100%);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.4);
    animation: glow 2s infinite;
}

.brand-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: var(--font-weight-semibold);
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    backdrop-filter: blur(5px);
}

/* Product Sizes */
.product-sizes {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--light-gray);
}

.product-sizes strong {
    color: var(--white);
}

/* Price Styles */
.price-sold {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: #dc3545;
    text-decoration: line-through;
}

.price-check {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: #ffc107;
}

/* Social Buttons */
.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    margin: 0.25rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.social-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-medium);
}

.social-btn:hover::before {
    left: 100%;
}

.social-btn.instagram {
    background: linear-gradient(135deg, #E4405F 0%, #C13584 50%, #833AB4 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(225, 48, 108, 0.3);
}

.social-btn.instagram:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(225, 48, 108, 0.4);
}

.social-btn.telegram {
    background: linear-gradient(135deg, #0088cc 0%, #005bb5 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 136, 204, 0.3);
}

.social-btn.telegram:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 136, 204, 0.4);
}

.social-btn.maps {
    background: linear-gradient(135deg, #4285F4 0%, #34A853 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.3);
}

.social-btn.maps:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.4);
}

.instagram-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Google Map Styles */
.google-map {
    grid-column: 1 / -1;
    margin-top: 2rem;
}

.google-map iframe {
    filter: invert(90%) hue-rotate(180deg);
    transition: filter var(--transition-medium);
}

.google-map:hover iframe {
    filter: invert(0) hue-rotate(0deg);
}

/* Contact Grid Responsive */
.contact-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

/* About Section */
.about {
    padding: var(--section-padding);
    background: var(--primary-black);
}

.about-content {
    text-align: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--light-gray);
    max-width: 600px;
    margin: 0 auto 3rem auto;
    line-height: 1.7;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--dark-gray);
    border-radius: 12px;
    transition: transform var(--transition-medium);
}

.stat:hover {
    transform: translateY(-5px);
}

.stat i {
    font-size: 2.5rem;
    color: var(--accent-orange);
    margin-bottom: 1rem;
}

.stat h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.stat p {
    color: var(--light-gray);
}

/* Delivery Section */
.delivery {
    padding: var(--section-padding);
    background: var(--charcoal);
}

.delivery-content {
    max-width: 800px;
    margin: 0 auto;
}

.delivery-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.delivery-option {
    text-align: center;
    padding: 2rem;
    background: var(--dark-gray);
    border-radius: 12px;
}

.delivery-option i {
    font-size: 2rem;
    color: var(--accent-orange);
    margin-bottom: 1rem;
}

.delivery-option h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.delivery-option p {
    color: var(--light-gray);
    line-height: 1.6;
}

.delivery-notice {
    background: linear-gradient(135deg, var(--ukraine-blue) 0%, var(--ukraine-yellow) 100%);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
}

.delivery-notice p {
    color: var(--primary-black);
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--primary-black);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--dark-gray);
    border-radius: 12px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-orange);
    min-width: 30px;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.contact-item p {
    color: var(--light-gray);
    line-height: 1.5;
}

/* Footer */
.footer {
    background: var(--charcoal);
    padding: 3rem 0 1rem 0;
    border-top: 1px solid var(--dark-gray);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-payment h4,
.footer-payment p {
    color: var(--white);
}

.footer-payment p {
    margin-bottom: 0.5rem;
    color: var(--light-gray);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-brand p {
    color: var(--light-gray);
    margin-bottom: 0.5rem;
}

.footer-links h4,
.footer-info h4 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: var(--light-gray);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-info p {
    color: var(--light-gray);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-gray);
    color: var(--light-gray);
}

/* Cart Modal */
.cart-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--dark-gray);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--medium-gray);
}

.modal-header h3 {
    color: var(--white);
    font-size: 1.25rem;
}

.close-modal {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.cart-items {
    padding: 1.5rem;
    min-height: 200px;
}

.cart-total {
    padding: 1.5rem;
    border-top: 1px solid var(--medium-gray);
    text-align: center;
}

.cart-total p {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.checkout-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--success-green) 0%, #218838 100%);
    color: var(--white);
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
        order: 2;
    }
    
    .header-content {
        position: relative;
        padding: 0.5rem 0;
        min-height: 50px;
    }
    
    .logo {
        order: 1;
    }
    
    .logo h1 {
        font-size: 1.1rem;
    }
    
    .logo .tagline {
        font-size: 0.6rem;
    }
    
    .cart-btn {
        order: 3;
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .cart-count {
        width: 16px;
        height: 16px;
        font-size: 0.65rem;
        top: -3px;
        right: -3px;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(13, 13, 15, 0.98);
        backdrop-filter: var(--blur-lg);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-fast);
        z-index: 999;
        order: 4;
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }
    
    .nav li {
        width: 100%;
    }
    
    .nav a {
        display: block;
        padding: 0.75rem 1rem;
        border-radius: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        font-size: 0.9rem;
    }
    
    .nav a:hover {
        background: rgba(255, 255, 255, 0.05);
        transform: none;
    }
}
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .filters {
        flex-direction: column;
        align-items: center;
    }
    
    .promo-content {
        flex-direction: column;
        text-align: center;
    }
    
    .about-stats,
    .delivery-info {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h2 {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .modal-content {
        width: 95%;
    }
}

/* Premium Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: var(--shadow-card);
    }
    50% {
        box-shadow: var(--shadow-card), var(--shadow-glow);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

.product-card,
.stat,
.delivery-option,
.contact-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-orange);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}