/* ============================================
   Account Store CMS — Main Stylesheet
   ============================================ */

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

html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body.theme-light {
    --bg-dark: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-hover: #F1F5F9;
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
}

a { color: inherit; text-decoration: none; transition: color 0.2s; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ---- Container ---- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

.section-title {
    text-align: center;
    margin-bottom: 12px;
}
.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

/* Ripple effect */
.btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    transform: scale(0);
    animation: rippleAnim 0.6s linear;
    pointer-events: none;
}

@keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #6D28D9 100%);
    box-shadow: 0 6px 25px rgba(79, 70, 229, 0.6);
    transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}
.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-success {
    background: var(--gradient-success);
    color: #fff;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}
.btn-success:hover {
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.6);
    transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* Pulse animation for CTA */
.btn-pulse {
    animation: pulseCTA 2s infinite;
}
@keyframes pulseCTA {
    0%, 100% { box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(79, 70, 229, 0.8); }
}

/* ---- Header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.site-header.scrolled {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(15, 23, 42, 0.85);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

body.theme-light .site-header.scrolled {
    background: rgba(248, 250, 252, 0.85);
}

.top-bar {
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
    transition: all 0.3s;
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}
.logo-icon { display: flex; flex-shrink: 0; }
.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Ask question button */
.ask-question-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: all 0.2s;
}
.ask-question-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.08);
}

/* Cart button */
.cart-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: all 0.2s;
}
.cart-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: scale(1.05);
}
.cart-count {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--danger);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    transition: transform 0.2s;
}
.cart-count.bump { animation: cartBump 0.3s ease; }
@keyframes cartBump {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.4); }
}

/* Theme Toggle */
.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all 0.2s;
}
.theme-toggle-btn:hover {
    background: var(--warning);
    border-color: var(--warning);
    color: #fff;
}

/* Main Navigation */
.main-nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0;
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-list {
    display: flex;
    align-items: center;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 14px 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Search */
.search-wrapper { flex: 1; max-width: 360px; margin-left: auto; }
.search-form {
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.search-input {
    flex: 1;
    padding: 10px 14px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-btn {
    padding: 10px 14px;
    color: var(--text-muted);
    transition: color 0.2s;
}
.search-btn:hover { color: var(--primary); }

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    margin-left: 8px;
}
.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}
.mobile-menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Hero Section ---- */
.hero {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-dark);
    padding: 80px 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(79, 70, 229, 0.3) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 80% 80%, rgba(124, 58, 237, 0.2) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-particle {
    position: absolute;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.15;
    animation: floatParticle linear infinite;
}

@keyframes floatParticle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.15; }
    90% { opacity: 0.15; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(79, 70, 229, 0.15);
    border: 1px solid rgba(79, 70, 229, 0.3);
    color: #A5B4FC;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInDown 0.6s ease;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 0.7s ease 0.1s both;
}

.hero h1 .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #6EE7B7;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
}
.hero-feature i { color: var(--secondary); }

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.7s ease 0.4s both;
}

/* ---- Stats Section ---- */
.stats-section {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 32px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {}

.stat-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ---- Section ---- */
.section {
    padding: 80px 0;
}
.section-alt { background: var(--bg-card); }

/* ---- Categories Grid ---- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 28px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: block;
}

.category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s;
}

.category-card:hover {
    border-color: var(--primary);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.2);
}
.category-card:hover::before { opacity: 0.05; }

.category-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 16px;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: transform 0.3s;
    position: relative;
    z-index: 1;
}
.category-card:hover .category-card-icon { transform: scale(1.1) rotate(5deg); }
.category-card-icon img { width: 40px; height: 40px; object-fit: contain; }

.category-card-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

.category-card-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

.category-card-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
    line-height: 1.4;
}

/* ---- Product Cards ---- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transform-style: preserve-3d;
    perspective: 1000px;
    will-change: transform;
    contain: layout style;
}

/* 3D Tilt effect via JS */
.product-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(79, 70, 229, 0.25),
                0 0 0 1px rgba(79, 70, 229, 0.1);
}

/* Neon glow border on hover */
.product-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: calc(var(--border-radius) + 1px);
    background: var(--gradient-primary);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
}
.product-card:hover::after { opacity: 0.5; }

.product-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.product-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}
.product-icon img { width: 32px; height: 32px; object-fit: contain; }

.product-meta {}
.product-category {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}
.product-name {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.product-feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #6EE7B7;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.product-stock {
    font-size: 0.82rem;
    color: var(--text-muted);
}
.product-stock .stock-count {
    font-family: 'JetBrains Mono', monospace;
    color: var(--secondary);
    font-weight: 600;
}
.product-stock.out-of-stock .stock-count { color: var(--danger); }

.product-price {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}
.product-price .price-from {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
    display: block;
    text-align: right;
}

.product-buy-btn {
    width: 100%;
    margin-top: 4px;
    padding: 12px;
    border-radius: calc(var(--border-radius) - 4px);
    background: var(--gradient-primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    z-index: 999;
    pointer-events: auto !important;
}
.product-buy-btn:hover {
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.5);
    transform: translateY(-1px);
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: skeletonWave 1.5s infinite;
    border-radius: 8px;
}
@keyframes skeletonWave {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.product-card-skeleton {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.skeleton-icon { width: 52px; height: 52px; border-radius: 12px; }
.skeleton-title { height: 18px; width: 80%; }
.skeleton-text { height: 14px; width: 100%; }
.skeleton-text-short { height: 14px; width: 60%; }
.skeleton-btn { height: 44px; width: 100%; border-radius: 8px; }

/* ---- Advantages ---- */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 28px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.3s;
}
.advantage-card:hover {
    border-color: var(--primary);
    transform: translateX(4px);
    box-shadow: -4px 0 0 var(--primary);
}

.advantage-icon {
    font-size: 2rem;
    line-height: 1;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 12px;
}

.advantage-content h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}
.advantage-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---- How to Buy ---- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: calc(16.67% + 20px);
    right: calc(16.67% + 20px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    z-index: 0;
}

.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
    font-family: 'JetBrains Mono', monospace;
}

.step-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}
.step-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---- Trust Signals ---- */
.trust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.trust-list { display: flex; flex-direction: column; gap: 14px; }
.trust-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    transition: all 0.2s;
}
.trust-item:hover { border-color: var(--secondary); }
.trust-item-icon {
    color: var(--secondary);
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}
.trust-item-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }
.trust-item-text strong { color: var(--text-primary); display: block; margin-bottom: 2px; }

/* ---- FAQ Accordion ---- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: border-color 0.2s;
}
.faq-item.open { border-color: var(--primary); }

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}
.faq-item.open .faq-question { color: var(--primary); }
.faq-question-icon {
    flex-shrink: 0;
    transition: transform 0.3s;
    color: var(--text-muted);
}
.faq-item.open .faq-question-icon { transform: rotate(180deg); color: var(--primary); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s;
}
.faq-item.open .faq-answer { max-height: 500px; }
.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ---- Comparison Table ---- */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border);
}
.comparison-table th {
    background: var(--bg-hover);
    padding: 14px 16px;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}
.comparison-table th:first-child { color: var(--text-primary); }
.comparison-table td {
    padding: 12px 16px;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}
.comparison-table td:first-child { color: var(--text-primary); font-weight: 500; }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: var(--bg-hover); }
.comparison-table .price-cell {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary);
    font-weight: 600;
}

/* ---- SEO Text Block ---- */
.seo-text {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-top: 48px;
}
.seo-text h2 { margin-bottom: 20px; font-size: 1.4rem; }
.seo-text p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.seo-text ul { list-style: disc; padding-left: 24px; color: var(--text-secondary); line-height: 2; }

/* ---- Breadcrumbs ---- */
.breadcrumbs { margin-bottom: 24px; }
.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    list-style: none;
}
.breadcrumbs li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.breadcrumbs li:not(:last-child)::after {
    content: '/';
    color: var(--border);
}
.breadcrumbs a { color: var(--text-secondary); }
.breadcrumbs a:hover { color: var(--primary); }
.breadcrumbs li:last-child { color: var(--text-primary); }

/* ---- Page Hero ---- */
.page-hero {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 48px 0 40px;
}
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { color: var(--text-secondary); max-width: 600px; }

/* ---- Product Modal ---- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.modal.open { opacity: 1; pointer-events: all; }

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.modal-dialog {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: calc(var(--border-radius) * 1.5);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s;
    box-shadow: 0 25px 80px rgba(0,0,0,0.5);
}
.modal.open .modal-dialog { transform: scale(1) translateY(0); }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 1;
}
.modal-header h3 { font-size: 1.2rem; }
.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--bg-hover);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}
.modal-close:hover { background: var(--danger); color: #fff; }

.modal-body { padding: 28px; }
.modal-subtitle { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }
.modal-footer-links {
    padding: 16px 28px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 16px;
}
.modal-footer-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color 0.2s;
}
.modal-footer-links a:hover { color: var(--primary); }

/* Product Modal Specific */
.product-modal-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    overflow: hidden;
}
.product-modal-icon img { width: 48px; height: 48px; object-fit: contain; }

.product-modal-title { text-align: center; margin-bottom: 8px; }
.product-modal-category { text-align: center; color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; }

.product-modal-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}
.spec-item {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 16px;
}
.spec-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 4px; }
.spec-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}
.spec-value.yes { color: var(--secondary); }
.spec-value.no { color: var(--danger); }

.product-modal-description {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-modal-buy {
    display: flex;
    align-items: center;
    gap: 16px;
}
.quantity-selector {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}
.qty-btn {
    width: 40px;
    height: 44px;
    background: var(--bg-hover);
    color: var(--text-primary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}
.qty-btn:hover { background: var(--primary); color: #fff; }
.qty-input {
    width: 60px;
    height: 44px;
    text-align: center;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    outline: none;
}

/* ---- Cart Sidebar ---- */
.cart-sidebar {
    position: fixed;
    inset: 0;
    z-index: 1500;
    pointer-events: none;
}
.cart-sidebar.open { pointer-events: all; }

.cart-sidebar-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    opacity: 0;
    transition: opacity 0.3s;
    cursor: pointer;
}
.cart-sidebar.open .cart-sidebar-overlay { opacity: 1; }

.cart-sidebar-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 380px;
    max-width: 100%;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -20px 0 60px rgba(0,0,0,0.3);
}
.cart-sidebar.open .cart-sidebar-panel { transform: translateX(0); }

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}
.cart-header h3 { font-size: 1.1rem; }
.cart-close {
    width: 36px; height: 36px;
    border-radius: 8px;
    background: var(--bg-hover);
    color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.cart-close:hover { background: var(--danger); color: #fff; }

.cart-items { flex: 1; overflow-y: auto; padding: 16px; }
.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-muted);
    gap: 12px;
}
.cart-empty i { font-size: 2.5rem; }

.cart-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    align-items: center;
}
.cart-item-icon { width: 40px; height: 40px; border-radius: 8px; background: var(--bg-hover); display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden; }
.cart-item-icon img { width: 24px; height: 24px; object-fit: contain; }
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-price { font-size: 0.8rem; color: var(--primary); font-family: 'JetBrains Mono', monospace; font-weight: 600; }
.cart-item-qty { font-size: 0.75rem; color: var(--text-muted); }
.cart-item-remove { color: var(--text-muted); font-size: 0.9rem; padding: 4px; transition: color 0.2s; }
.cart-item-remove:hover { color: var(--danger); }

.cart-footer { padding: 16px 24px; border-top: 1px solid var(--border); }
.cart-total { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; font-size: 1rem; }
.cart-total strong { font-family: 'JetBrains Mono', monospace; font-size: 1.2rem; color: var(--primary); }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select option { background: var(--bg-card); }

/* ---- Payment Page ---- */
.payment-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    align-items: start;
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}
.payment-method {
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}
.payment-method:hover, .payment-method.selected {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
}
.payment-method i { display: block; font-size: 1.5rem; margin-bottom: 8px; }

.order-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 24px;
    position: sticky;
    top: 100px;
}
.order-summary h3 { margin-bottom: 20px; }
.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}
.order-item:last-of-type { border-bottom: none; }
.order-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    margin-top: 8px;
    border-top: 2px solid var(--border);
    font-weight: 700;
    font-size: 1.1rem;
}
.order-total .price {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary);
    font-size: 1.3rem;
}

/* ---- Footer ---- */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer-brand .footer-logo { margin-bottom: 16px; }
.footer-tagline { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all 0.2s;
}
.footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.footer-nav h4 { font-size: 0.9rem; margin-bottom: 16px; color: var(--text-primary); }
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: var(--text-muted); font-size: 0.875rem; transition: color 0.2s; }
.footer-nav a:hover { color: var(--primary); }

.footer-contacts h4 { font-size: 0.9rem; margin-bottom: 16px; }
.footer-contacts ul { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.footer-contacts li { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; color: var(--text-muted); }
.footer-contacts li i { color: var(--primary); width: 16px; }
.footer-contacts a { color: var(--text-muted); transition: color 0.2s; }
.footer-contacts a:hover { color: var(--primary); }

.footer-guarantee { display: flex; flex-direction: column; gap: 8px; }
.guarantee-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #6EE7B7;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
}
.guarantee-badge i { color: var(--secondary); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: var(--text-muted); transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--primary); }

/* ---- Scroll to Top ---- */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
    z-index: 999;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(79, 70, 229, 0.6); }

/* ---- Animations ---- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}
/* Dynamically added cards - immediately visible */
.product-card.animated:not(.animate-on-scroll) {
    opacity: 1;
    transform: translateY(0);
}
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }

/* ---- Parallax ---- */
.parallax-section { position: relative; overflow: hidden; }
.parallax-bg {
    position: absolute;
    inset: -20%;
    background: radial-gradient(ellipse at center, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
    will-change: transform;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-primary { background: rgba(79, 70, 229, 0.15); color: #A5B4FC; border: 1px solid rgba(79, 70, 229, 0.3); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: #6EE7B7; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: #FCA5A5; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #FCD34D; border: 1px solid rgba(245, 158, 11, 0.3); }

/* ---- Alerts ---- */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
}
.alert-success { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.3); color: #6EE7B7; }
.alert-error { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: #FCA5A5; }
.alert-info { background: rgba(79, 70, 229, 0.1); border: 1px solid rgba(79, 70, 229, 0.3); color: #A5B4FC; }

/* ---- Subcategory Tabs ---- */
.subcategory-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}
.subcategory-tab {
    padding: 8px 20px;
    border-radius: 100px;
    border: 1.5px solid var(--border);
    background: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}
.subcategory-tab:hover, .subcategory-tab.active {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

/* ---- Filter Bar ---- */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.filter-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
.filter-select {
    padding: 8px 12px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}
.filter-select:focus { border-color: var(--primary); }

/* ---- Pagination ---- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}
.page-btn {
    width: 40px; height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}
.page-btn:hover, .page-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ---- Info Articles ---- */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: all 0.3s;
    text-decoration: none;
    color: var(--text-primary);
    display: block;
}
.article-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(79, 70, 229, 0.15);
}
.article-date { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }
.article-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; }
.article-excerpt { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.article-read-more { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-top: 16px; }

/* ---- Content Pages ---- */
.content-page { max-width: 860px; margin: 0 auto; }
.content-page h2 { font-size: 1.4rem; margin: 32px 0 12px; color: var(--text-primary); }
.content-page p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.content-page ul { padding-left: 24px; color: var(--text-secondary); line-height: 2; margin-bottom: 16px; }

/* ---- Notification Toast ---- */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    animation: toastIn 0.4s ease;
    pointer-events: all;
    min-width: 280px;
}
.toast.success { border-color: rgba(16, 185, 129, 0.4); }
.toast.success i { color: var(--secondary); }
.toast.error { border-color: rgba(239, 68, 68, 0.4); }
.toast.error i { color: var(--danger); }
.toast.hide { animation: toastOut 0.3s ease forwards; }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(20px); }
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-primary-color { color: var(--primary); }
.text-success { color: var(--secondary); }
.text-danger { color: var(--danger); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.hidden { display: none !important; }

/* ============================================
   BLOG & ARTICLES
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 20px;
}
.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    border-color: var(--primary);
}
.blog-card-image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    display: block;
}
.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.blog-card:hover .blog-card-image img {
    transform: scale(1.1);
}
.blog-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.blog-card-meta {
    margin-bottom: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.blog-card-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    line-height: 1.4;
}
.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.blog-card-more {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Article Page Layout */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}
.article-main-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 40px;
}
.article-featured-image {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.article-body-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
}
.article-body-text h2, .article-body-text h3 { margin: 30px 0 15px; color: var(--text-primary); }
.article-body-text p { margin-bottom: 20px; }
.article-body-text ul, .article-body-text ol { margin-bottom: 25px; padding-left: 20px; }
.article-body-text li { margin-bottom: 10px; }
.article-body-text strong { color: var(--text-primary); }

.article-meta-top {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}
.article-category {
    background: var(--primary);
    color: #fff;
    padding: 2px 10px;
    border-radius: 4px;
    font-weight: 600;
}
.article-date-top { color: var(--text-muted); }

.article-footer-nav {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
}
.article-share a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}
.article-share a:hover {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
}

.article-sidebar {
    position: sticky;
    top: 100px;
}
.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 30px;
}
.sidebar-widget h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1.5px solid var(--primary);
    display: inline-block;
}
.sidebar-cats li {
    margin-bottom: 12px;
}
.sidebar-cats a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    color: var(--text-secondary);
}
.sidebar-cats a:hover {
    color: var(--primary);
}
.promo-widget {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-color: var(--primary);
    text-align: center;
}
.promo-widget p { font-size: 0.9rem; margin-bottom: 20px; }

@media (max-width: 992px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
}

/* Import Tabs */
.import-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}
.import-tab {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-hover);
}
.import-tab.active {
    background: var(--primary);
    color: #fff;
}
.import-tab:hover:not(.active) {
    background: var(--border);
}


/* ---- Demo Products ---- */
.product-card.demo-product {
    opacity: 0.75;
    border-color: var(--warning) !important;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.product-card.demo-product::before {
    content: 'ДЕМО';
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--warning), #F59E0B);
    color: #000;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    z-index: 10;
}

.product-card.demo-product:hover {
    opacity: 0.85;
    border-color: var(--warning);
    box-shadow: 0 20px 60px rgba(245, 158, 11, 0.2),
                0 0 0 1px rgba(245, 158, 11, 0.1);
}

.product-card.demo-product .product-stock::after {
    content: ' (Демо)';
    color: var(--warning);
    font-weight: 600;
}


/* ============================================================
   ADVERTISING SYSTEM STYLES
   ============================================================ */

/* Ad Section Wrappers */
.ad-section {
    padding: 12px 0;
}
.ad-section--header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.ad-section--content {
    padding: 16px 0;
}
.ad-section--footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 12px 0;
}

/* Ad Spot Base */
.ad-spot {
    position: relative;
    text-align: center;
}

/* Ad Label */
.ad-label {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-hover);
    color: var(--text-muted);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
    z-index: 1;
    border: 1px solid var(--border);
}

/* Active Banner */
.ad-spot--active {
    padding-top: 8px;
}
.ad-banner-link {
    display: block;
    transition: opacity 0.2s, transform 0.2s;
}
.ad-banner-link:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

/* Text Banner */
.ad-text-banner {
    background: linear-gradient(135deg, rgba(79,70,229,0.15) 0%, rgba(124,58,237,0.15) 100%);
    border: 1px solid rgba(79,70,229,0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.ad-text-banner-inner {
    padding: 12px 20px;
    text-align: center;
}
.ad-text-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.ad-text-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Placeholder */
.ad-spot--placeholder {
    padding-top: 8px;
}
.ad-placeholder {
    background: repeating-linear-gradient(
        45deg,
        rgba(79,70,229,0.03),
        rgba(79,70,229,0.03) 10px,
        rgba(79,70,229,0.06) 10px,
        rgba(79,70,229,0.06) 20px
    );
    border: 2px dashed rgba(79,70,229,0.25);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s, background 0.2s;
}
.ad-placeholder:hover {
    border-color: rgba(79,70,229,0.5);
    background: rgba(79,70,229,0.06);
}
.ad-placeholder-inner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 20px;
    flex-wrap: wrap;
    justify-content: center;
}
.ad-placeholder-inner > i {
    font-size: 1.4rem;
    color: rgba(79,70,229,0.4);
    flex-shrink: 0;
}
.ad-placeholder-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: left;
}
.ad-placeholder-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.ad-placeholder-size {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}
.ad-placeholder-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(79,70,229,0.15);
    color: var(--primary, #4F46E5);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all 0.2s;
    white-space: nowrap;
    border: 1px solid rgba(79,70,229,0.3);
    text-decoration: none;
}
.ad-placeholder-btn:hover {
    background: rgba(79,70,229,0.25);
    color: var(--primary, #4F46E5);
}

/* Responsive */
@media (max-width: 768px) {
    .ad-placeholder-inner {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    .ad-placeholder-text {
        text-align: center;
    }
}