/* ============================================
   FAS ELEC - OFFICIAL DISTRIBUTOR RUSSIA
   Корпоративный стиль FAS - PREMIUM DESIGN
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500;14..32,600;14..32,700;14..32,800&display=swap');

:root {
    /* Основные цвета FAS - технологичный синий/голубой */
    --fas-primary: #0A66C2;
    --fas-primary-dark: #004182;
    --fas-primary-light: #3B82F6;
    --fas-secondary: #00A3FF;
    --fas-accent: #FF6B00;
    --fas-accent-light: #FF8534;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #0A66C2 0%, #00A3FF 100%);
    --gradient-dark: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    --gradient-accent: linear-gradient(135deg, #FF6B00 0%, #FF8534 100%);
    --gradient-hero: linear-gradient(135deg, #F8FAFC 0%, #FFFFFF 100%);
    
    /* Нейтральные тона */
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-gray: #F1F5F9;
    --bg-dark: #1E293B;
    --bg-card: #FFFFFF;
    
    /* Текст */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --text-light: #94A3B8;
    
    /* Границы */
    --border-light: #E2E8F0;
    --border-medium: #CBD5E1;
    --border-primary: #0A66C2;
    
    /* Тени - более глубокие для премиум эффекта */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(10, 102, 194, 0.3);
    
    /* Скругления */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    
    /* Шрифты */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Переходы */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.34, 1.2, 0.64, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Анимация загрузки */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* Типографика */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Навигация - премиум стиль */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    padding: 0.75rem 0;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.navbar-brand small {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0;
    margin-left: 4px;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--fas-primary) !important;
}

.nav-link.active {
    color: var(--fas-primary) !important;
}

/* Кнопки премиум */
.btn {
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition-bounce);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-outline-primary {
    border: 2px solid var(--fas-primary);
    color: var(--fas-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* Карточки продуктов премиум */
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-bounce);
    height: 100%;
    position: relative;
}

.product-card .card-img-top {
    height: 260px;
    object-fit: cover;
    background: var(--bg-gray);
    transition: transform 0.5s ease;
}

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

.product-card .card-body {
    padding: 1.5rem;
}

.product-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.product-card .price {
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0.75rem 0;
}

.product-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--gradient-accent);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    z-index: 1;
    box-shadow: var(--shadow-sm);
}

/* Hero Section - акцент на фото */
.hero-section {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
    margin-top: 6svh;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230A66C2' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-image-container {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.hero-image-container:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.hero-image-container img {
    width: 100%;
    height: auto;
    transition: transform 0.7s ease;
}

.hero-image-container:hover img {
    transform: scale(1.05);
}

.hero-image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 102, 194, 0.2) 0%, rgba(0, 163, 255, 0.1) 100%);
    pointer-events: none;
}

/* Сервисные карточки премиум */
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-bounce);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(10, 102, 194, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--fas-primary);
}

.service-card i {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1.25rem;
    transition: transform 0.3s ease;
}

.service-card:hover i {
    transform: scale(1.1);
}

.service-card h4 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.service-card p {
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.service-card .price {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--fas-primary);
    margin: 0.75rem 0;
}

/* Преимущества премиум */
.advantage-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-bounce);
    height: 100%;
    position: relative;
}

.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--fas-primary);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(10, 102, 194, 0.1) 0%, rgba(0, 163, 255, 0.1) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    transition: var(--transition-base);
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.05);
    background: var(--gradient-primary);
}

.advantage-card:hover .advantage-icon i {
    color: white;
}

.advantage-icon i {
    font-size: 2rem;
    color: var(--fas-primary);
    transition: var(--transition-base);
}

.advantage-card h5 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.advantage-card p {
    font-size: 0.85rem;
    margin: 0;
}

/* Секция партнеров */
.partners-section {
    padding: 2rem 0;
    background: var(--bg-light);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.partner-item {
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 0.5rem;
    transition: var(--transition-fast);
}

.partner-item:hover {
    color: var(--fas-primary);
}

/* Футер премиум */
.footer {
    background: var(--gradient-dark);
    color: white;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

.footer h5 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.footer p, .footer a {
    color: var(--text-light);
    font-size: 0.85rem;
}

.footer a:hover {
    color: white;
}

/* Формы премиум */
.form-control, .form-select {
    background: var(--bg-white);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    transition: var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    border-color: none;
    box-shadow: none;
    outline: none;
}

.form-label {
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Корзина премиум */
.cart-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.cart-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: scale(1.05);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--gradient-accent);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 20px;
    min-width: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

/* Badges премиум */
.badge-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
}

.badge-success {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
}

.badge-warning {
    background: var(--gradient-accent);
    color: white;
}

/* Stock badges */
.stock-badge {
    display: inline-block;
    padding: 6px 14px;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 20px;
}

.stock-badge.in-stock {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.1) 100%);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.stock-badge.out-stock {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.1) 100%);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Хлебные крошки */
.breadcrumb {
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--fas-primary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 0px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-gray);
}

::-webkit-scrollbar-thumb {
    background: black;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: black;
}

/* Адаптивность */
@media (max-width: 768px) {
    .hero-stats {
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
    
    .service-card, .advantage-card {
        padding: 1.5rem;
    }
    
    .hero-image-container {
        transform: none;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.8rem;
    }
    
    .product-card .card-img-top {
        height: 200px;
    }
}

/* Анимации для AOS */
[data-aos] {
    opacity: 0;
    transition-timing-function: cubic-bezier(0.34, 1.2, 0.64, 1);
}

[data-aos].aos-animate {
    opacity: 1;
}

/* Карточка контактов */
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 2rem;
    height: 100%;
    transition: var(--transition-bounce);
}

.contact-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, var(--bg-gray) 25%, var(--border-light) 50%, var(--bg-gray) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* ============================================
   PREMIUM SCROLL EFFECTS - CINEMATIC
   ============================================ */

/* Скролл-прогресс бар */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 10000;
}

.scroll-progress-bar {
    height: 100%;
    background: black;
    width: 0%;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(10, 102, 194, 0.5);
}

/* Прелоадер */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #FFFFFF;
    color: #000000;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

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

.loader-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: #000000;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.loader-logo span {
    color: #FFFFFF;
    text-shadow: -1px -1px 0 #000000, 1px -1px 0 #000000, -1px 1px 0 #000000, 1px 1px 0 #000000;
}

.loader-bar {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.loader-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 100%;
    background: #000000;
    animation: loaderAnim 1s infinite;
}

@keyframes loaderAnim {
    0% { left: -40%; }
    100% { left: 100%; }
}

/* Кнопка наверх */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #FFFFFF;
    border: none;
    border-radius: 50%;
    color: #000000;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 6px 8px -4px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.back-to-top span {
    font-size: 0.6rem;
    margin-top: 2px;
}

/* Reveal анимации */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
}

/* Анимация для карточек при скролле */
.product-card, .service-card, .advantage-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                box-shadow 0.4s ease,
                border-color 0.3s ease;
}

/* Эффект линии под элементами при скролле */
.section-header h2 {
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    transition: width 0.6s ease;
}

.section-header:hover h2::after {
    width: 100%;
}

/* Эффект градиентной маски для изображений */
.product-card .card-img-top,
.project-media img {
    mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
}

/* Эффект свечения при скролле */
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(10, 102, 194, 0.2); }
    50% { box-shadow: 0 0 0 10px rgba(10, 102, 194, 0); }
}

.product-card:focus-within {
    animation: glowPulse 1.5s infinite;
}

/* Плавное появление блоков */
.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

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

/* Эффект для заголовков при скролле */
.sticky-title {
    position: sticky;
    top: 100px;
    z-index: 10;
}

/* Анимация для цифр */
.stat-number-animate {
    display: inline-block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* Эффект мерцания для бейджей */
.project-tag {
    position: relative;
    overflow: hidden;
}

.project-tag::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 0.5s ease;
}

.project-tag:hover::before {
    left: 100%;
}

/* Анимация для форм */
.form-control {
    transition: all 0.3s ease;
}

.form-control:focus {
    transform: translateY(-2px);
}

/* Эффект "волна" для кнопок */
.btn {
    position: relative;
    overflow: hidden;
}

.btn-wave {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: waveAnim 0.6s ease-out;
    pointer-events: none;
}

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

/* Анимация для footer при скролле */
.footer {
    transform: translateY(0);
    transition: transform 0.6s ease;
}

/* Эффект для ссылок */
a {
    position: relative;
    transition: color 0.3s ease;
}

/* Скелетон загрузки (если нужно) */
.skeleton-loader {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s infinite;
}

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

/* Адаптация под производительность */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--fas-primary);
    color: var(--fas-primary);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}