:root {
    /* Основные цвета - оптимизированы */
    --primary-color: #0f172a;
    --primary-light: #1e293b;
    --secondary-color: #f59e0b;
    --secondary-light: #fbbf24;
    --accent-color: #6366f1;
    --luxury-copper: #b45309;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e1;

    /* Оптимизированные градиенты */
    --primary-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --secondary-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --hero-gradient: linear-gradient(135deg, #020617 0%, #0f172a 25%, #1e293b 100%);

    /* Упрощенные тени */
    --shadow-primary: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 40px -8px rgba(0, 0, 0, 0.4);
    --glow-primary: 0 0 20px rgba(245, 158, 11, 0.4);

    /* Быстрые переходы */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Шрифты - оптимизированы */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Inter', sans-serif;

    --primary-dark: #020617;
    --secondary-dark: #d97706;
    --accent-light: #818cf8;
    --accent-dark: #4338ca;
    --luxury-silver: #64748b;
    --danger-color: #dc2626;
    --warning-color: #f59e0b;
    --success-color: #059669;

    /* Дополнительные премиум цвета */
    --emerald-deep: #064e3b; /* Глубокий изумруд */
    --emerald-glow: #10b981; /* Светящийся изумруд */
    --sapphire-deep: #1e3a8a; /* Глубокий сапфир */
    --sapphire-glow: #3b82f6; /* Светящийся сапфир */
    --ruby-deep: #92400e; /* Глубокий янтарный */
    --ruby-glow: #f59e0b; /* Светящийся янтарный */
    --amethyst-deep: #1e40af; /* Глубокий синий */
    --amethyst-glow: #3b82f6; /* Светящийся синий */
    --topaz-deep: #92400e; /* Глубокий топаз */
    --topaz-glow: #f59e0b; /* Светящийся топаз */

    /* Градиенты премиум класса */
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #818cf8 50%, #a855f7 100%);
    --luxury-gradient: linear-gradient(135deg, #b45309 0%, #f59e0b 50%, #fbbf24 100%);
    --dark-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);

    /* Новые премиум градиенты */
    --emerald-gradient: linear-gradient(135deg, var(--emerald-deep) 0%, var(--emerald-glow) 50%, #34d399 100%);
    --sapphire-gradient: linear-gradient(135deg, var(--sapphire-deep) 0%, var(--sapphire-glow) 50%, #60a5fa 100%);
    --ruby-gradient: linear-gradient(135deg, var(--ruby-deep) 0%, var(--ruby-glow) 50%, #fbbf24 100%);
    --amethyst-gradient: linear-gradient(135deg, var(--amethyst-deep) 0%, var(--amethyst-glow) 50%, #60a5fa 100%);
    --topaz-gradient: linear-gradient(135deg, var(--topaz-deep) 0%, var(--topaz-glow) 50%, #fbbf24 100%);
    --diamond-gradient: linear-gradient(135deg, #1e293b 0%, #475569 50%, #94a3b8 100%);
    --platinum-gradient: linear-gradient(135deg, #374151 0%, #6b7280 50%, #d1d5db 100%);

    /* Темные нейтральные цвета */
    --dark-50: #0f172a;
    --dark-100: #1e293b;
    --dark-200: #334155;
    --dark-300: #475569;
    --dark-400: #64748b;
    --dark-500: #94a3b8;
    --dark-600: #cbd5e1;
    --dark-700: #e2e8f0;
    --dark-800: #f1f5f9;
    --dark-900: #f8fafc;

    /* Роскошные шрифты */
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Премиум тени */
    --shadow-luxury: 0 20px 60px -12px rgba(0, 0, 0, 0.8);
    --shadow-premium: 0 25px 80px -15px rgba(0, 0, 0, 0.6);
    --shadow-elite: 0 35px 100px -20px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --shadow-gold: 0 10px 30px rgba(245, 158, 11, 0.4);

    /* Цветные свечения */
    --glow-emerald: 0 0 40px rgba(16, 185, 129, 0.4), 0 0 80px rgba(16, 185, 129, 0.2);
    --glow-sapphire: 0 0 40px rgba(59, 130, 246, 0.4), 0 0 80px rgba(59, 130, 246, 0.2);
    --glow-ruby: 0 0 40px rgba(245, 158, 11, 0.4), 0 0 80px rgba(245, 158, 11, 0.2);
    --glow-amethyst: 0 0 40px rgba(59, 130, 246, 0.4), 0 0 80px rgba(59, 130, 246, 0.2);
    --glow-topaz: 0 0 40px rgba(245, 158, 11, 0.4), 0 0 80px rgba(245, 158, 11, 0.2);
    --glow-diamond: 0 0 40px rgba(148, 163, 184, 0.4), 0 0 80px rgba(148, 163, 184, 0.2);

    /* Интенсивные свечения */
    --intense-glow-emerald: 0 0 20px rgba(16, 185, 129, 0.6), 0 0 40px rgba(16, 185, 129, 0.4), 0 0 80px rgba(16, 185, 129, 0.2);
    --intense-glow-sapphire: 0 0 20px rgba(59, 130, 246, 0.6), 0 0 40px rgba(59, 130, 246, 0.4), 0 0 80px rgba(59, 130, 246, 0.2);
    --intense-glow-ruby: 0 0 20px rgba(245, 158, 11, 0.6), 0 0 40px rgba(245, 158, 11, 0.4), 0 0 80px rgba(245, 158, 11, 0.2);
    --intense-glow-amethyst: 0 0 20px rgba(59, 130, 246, 0.6), 0 0 40px rgba(59, 130, 246, 0.4), 0 0 80px rgba(59, 130, 246, 0.2);
    --intense-glow-topaz: 0 0 20px rgba(245, 158, 11, 0.6), 0 0 40px rgba(245, 158, 11, 0.4), 0 0 80px rgba(245, 158, 11, 0.2);

    /* Анимации */
    --transition-luxury: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-premium: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);

}

/* Критический CSS - базовые стили */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--hero-gradient);
    font-size: 16px;
    overflow-x: hidden;
    min-height: 100vh;
    font-display: swap;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeSpeed;
    position: relative;
}

/* Упрощенный фон с лучшей производительностью */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #475569 100%),
        radial-gradient(circle at 20% 30%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    opacity: 0.8;
    will-change: opacity;
}

/* Анимация электрических цепей */
@keyframes circuitPulse {
    0%, 100% {
        opacity: 0.4;
        filter: brightness(1);
    }
    25% {
        opacity: 0.6;
        filter: brightness(1.2) hue-rotate(5deg);
    }
    50% {
        opacity: 0.5;
        filter: brightness(1.1) hue-rotate(-5deg);
    }
    75% {
        opacity: 0.7;
        filter: brightness(1.3) hue-rotate(3deg);
    }
}

/* Оптимизированная типографика */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    text-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.display-4 {
    font-weight: 900;
    font-size: clamp(2.5rem, 8vw, 4rem);
    letter-spacing: -0.05em;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(245, 158, 11, 0.6));
    position: relative;
}

.display-4::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.8) 0%, rgba(251, 191, 36, 0.6) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: blur(20px);
    z-index: -1;
}

.display-5 {
    font-weight: 800;
    font-size: clamp(1.8rem, 6vw, 2.8rem);
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--secondary-color) 50%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 15px rgba(245, 158, 11, 0.4));
}

/* Премиальные заголовки с разными цветами */
.premium-title-emerald {
    background: var(--emerald-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(16, 185, 129, 0.6));
}

.premium-title-sapphire {
    background: var(--sapphire-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.6));
}

.premium-title-amethyst {
    background: var(--amethyst-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.6));
}

.premium-title-ruby {
    background: var(--ruby-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(239, 68, 68, 0.6));
}

.lead {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-secondary);
    text-shadow: 
        0 0 8px rgba(203, 213, 225, 0.3),
        0 0 16px rgba(203, 213, 225, 0.15);
}

/* Улучшенное свечение для всего текста */
p, span, div, li {
    text-shadow: 
        0 0 5px rgba(203, 213, 225, 0.2),
        0 0 10px rgba(203, 213, 225, 0.1);
}

/* Header - оптимизированный */
.header-top {
    background: var(--primary-gradient);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    position: relative;
    overflow: hidden;
}

.header-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.contact-info i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(245, 158, 11, 0.1);
    color: var(--secondary-color);
    transition: all var(--transition-fast);
    border: 1px solid rgba(245, 158, 11, 0.2);
    will-change: transform;
    backdrop-filter: blur(20px);
}

.social-links a:hover {
    background: var(--secondary-gradient);
    color: var(--primary-color);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--glow-primary);
    border-color: var(--secondary-color);
}

/* Навигация - оптимизированная */
.navbar {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    padding: 1rem 0;
    box-shadow: var(--shadow-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    will-change: transform;
}

.navbar-brand {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--secondary-color) !important;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    text-shadow: 0 2px 10px rgba(245, 158, 11, 0.4);
}

/* Оптимизированная SVG лампочка */
.bulb-icon {
    transition: all var(--transition-fast);
    filter: drop-shadow(0 2px 8px rgba(245, 158, 11, 0.8));
    will-change: transform, filter;
}

.bulb-icon:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 3px 12px rgba(245, 158, 11, 1));
}

.bulb-icon-hero {
    transition: all var(--transition-luxury);
    filter: 
        drop-shadow(0 2px 8px rgba(245, 158, 11, 0.9)) 
        drop-shadow(0 0 15px rgba(245, 158, 11, 1))
        drop-shadow(0 0 25px rgba(245, 158, 11, 0.8))
        drop-shadow(0 0 35px rgba(255, 255, 255, 0.6));
    animation: bulbGlow 3s ease-in-out infinite;
}

@keyframes bulbGlow {
    0%, 100% {
        filter: 
            drop-shadow(0 2px 8px rgba(245, 158, 11, 0.9)) 
            drop-shadow(0 0 15px rgba(245, 158, 11, 1))
            drop-shadow(0 0 25px rgba(245, 158, 11, 0.8))
            drop-shadow(0 0 35px rgba(255, 255, 255, 0.6));
        transform: scale(1);
    }
    50% {
        filter: 
            drop-shadow(0 3px 12px rgba(245, 158, 11, 1)) 
            drop-shadow(0 0 25px rgba(245, 158, 11, 1))
            drop-shadow(0 0 35px rgba(245, 158, 11, 1))
            drop-shadow(0 0 45px rgba(245, 158, 11, 0.8))
            drop-shadow(0 0 55px rgba(255, 255, 255, 0.9))
            drop-shadow(0 0 65px rgba(254, 240, 138, 0.6));
        transform: scale(1.1);
    }
}

/* Добавляем дополнительное свечение при наведении */
.navbar-brand:hover .bulb-icon {
    animation: bulbFlash 0.4s ease-out;
}

@keyframes bulbFlash {
    0% {
        filter: 
            drop-shadow(0 2px 8px rgba(245, 158, 11, 0.8)) 
            drop-shadow(0 0 15px rgba(245, 158, 11, 1));
    }
    50% {
        filter: 
            drop-shadow(0 4px 16px rgba(245, 158, 11, 1)) 
            drop-shadow(0 0 30px rgba(245, 158, 11, 1))
            drop-shadow(0 0 50px rgba(255, 255, 255, 0.9))
            drop-shadow(0 0 70px rgba(254, 240, 138, 0.8));
        transform: scale(1.2);
    }
    100% {
        filter: 
            drop-shadow(0 3px 12px rgba(245, 158, 11, 0.9)) 
            drop-shadow(0 0 25px rgba(245, 158, 11, 1));
    }
}

.nav-link {
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--text-secondary) !important;
    padding: 0.75rem 1.25rem !important;
    margin: 0 0.25rem;
    border-radius: 12px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    background: rgba(51, 65, 85, 0.3);
    border: 1px solid rgba(245, 158, 11, 0.2);
    position: relative;
    animation: none;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 4px;
    background: var(--secondary-gradient);
    transition: all var(--transition-luxury);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: var(--glow-topaz);
}

/* Отблеск убран с навигационных ссылок */

/* Упрощенные цветовые схемы для nav-links без интенсивных эффектов */
.nav-link:hover {
    background: var(--secondary-gradient);
    color: var(--primary-color) !important;
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.nav-link:hover::before {
    width: 90%;
}

/* Hero Section - оптимизированный */
.hero-section {
    background: var(--hero-gradient);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.2) 0%, transparent 70%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 70%),
        radial-gradient(circle at 40% 40%, rgba(180, 83, 9, 0.1) 0%, transparent 80%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to top, var(--primary-color), transparent);
    pointer-events: none;
}

.page-header {
    background: var(--hero-gradient);
    min-height: 60vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        /* Электрические узлы */
        radial-gradient(circle at 30% 70%, rgba(245, 158, 11, 0.2) 0%, transparent 60%),
        radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 60%),
        radial-gradient(circle at 50% 20%, rgba(16, 185, 129, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%),
        /* Схемные линии */
        linear-gradient(45deg, transparent 48%, rgba(245, 158, 11, 0.05) 49%, rgba(245, 158, 11, 0.05) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(59, 130, 246, 0.04) 49%, rgba(59, 130, 246, 0.04) 51%, transparent 52%);
    background-size: 
        200px 200px,
        180px 180px,
        150px 150px,
        160px 160px,
        80px 80px,
        100px 100px;
    pointer-events: none;
    animation: electricFlow 6s ease-in-out infinite;
}

@keyframes electricFlow {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; filter: brightness(1.2); }
}

/* Карточки - оптимизированные */
.card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8) 0%, rgba(51, 65, 85, 0.9) 100%);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 16px;
    box-shadow: var(--shadow-primary);
    transition: all var(--transition-smooth);
    overflow: hidden;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    will-change: transform, box-shadow;
}

/* Исправление видимости иконок */
.bg-white.bg-opacity-20 i,
.bg-white.bg-opacity-10 i {
    color: var(--secondary-color) !important;
    filter: drop-shadow(0 2px 8px rgba(245, 158, 11, 0.6));
    text-shadow: 0 0 10px rgba(245, 158, 11, 0.8);
}

.rounded-circle i {
    color: var(--primary-color) !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* Специальные стили для иконок в разных контекстах */
.hero-section .bg-white.bg-opacity-20 i,
.hero-section .bg-white.bg-opacity-10 i {
    color: var(--secondary-color) !important;
    font-size: inherit !important;
    filter: drop-shadow(0 2px 8px rgba(245, 158, 11, 0.8)) drop-shadow(0 0 20px rgba(245, 158, 11, 0.6));
    text-shadow: 0 0 15px rgba(245, 158, 11, 1), 0 0 25px rgba(245, 158, 11, 0.8);
}

.page-header .bg-white.bg-opacity-20 i,
.page-header .bg-white.bg-opacity-10 i {
    color: var(--secondary-color) !important;
    filter: drop-shadow(0 2px 8px rgba(245, 158, 11, 0.8)) drop-shadow(0 0 20px rgba(245, 158, 11, 0.6));
    text-shadow: 0 0 15px rgba(245, 158, 11, 1), 0 0 25px rgba(245, 158, 11, 0.8);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--secondary-gradient);
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-luxury);
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: var(--secondary-color);
}

.card:hover::after {
    opacity: 1;
}

/* Варианты карточек с разными цветами */
.card-emerald {
    border-color: rgba(16, 185, 129, 0.3);
}

.card-emerald::before {
    background: var(--emerald-gradient);
}

.card-emerald:hover {
    box-shadow: var(--intense-glow-emerald);
    border-color: var(--emerald-glow);
}

.card-sapphire {
    border-color: rgba(59, 130, 246, 0.3);
}

.card-sapphire::before {
    background: var(--sapphire-gradient);
}

.card-sapphire:hover {
    box-shadow: var(--intense-glow-sapphire);
    border-color: var(--sapphire-glow);
}

.card-amethyst {
    border-color: rgba(168, 85, 247, 0.3);
}

.card-amethyst::before {
    background: var(--amethyst-gradient);
}

.card-amethyst:hover {
    box-shadow: var(--intense-glow-amethyst);
    border-color: var(--amethyst-glow);
}

.card-ruby {
    border-color: rgba(239, 68, 68, 0.3);
}

.card-ruby::before {
    background: var(--ruby-gradient);
}

.card-ruby:hover {
    box-shadow: var(--intense-glow-ruby);
    border-color: var(--ruby-glow);
}

.card-header {
    background: var(--secondary-gradient);
    color: var(--primary-color);
    padding: 1.5rem 2rem;
    border: none;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(15, 23, 42, 0.3), transparent);
}

.card-header h5 {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0;
    letter-spacing: 0.5px;
}

.card-body {
    padding: 2rem;
    background: rgba(30, 41, 59, 0.5);
}

.card-title {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Кнопки - оптимизированные */
.btn {
    font-family: var(--font-secondary);
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: 12px;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    cursor: pointer;
    position: relative;
    isolation: isolate;
    z-index: 1;
    animation: none;
}

.btn:hover {
    animation: none;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn-warning {
    background: var(--secondary-gradient);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    color: var(--primary-color);
}

.btn-danger {
    background: var(--ruby-gradient);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    border: 2px solid rgba(239, 68, 68, 0.4);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
    color: var(--primary-color);
    border-color: var(--ruby-glow);
}

.btn-info {
    background: var(--amethyst-gradient);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
    border: 2px solid rgba(168, 85, 247, 0.4);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
    color: var(--primary-color);
    border-color: var(--amethyst-glow);
}

.btn-light {
    background: linear-gradient(135deg, var(--dark-200) 0%, var(--dark-300) 100%);
    color: var(--dark-600);
    box-shadow: 0 4px 15px rgba(100, 116, 139, 0.3);
    border: 2px solid rgba(245, 158, 11, 0.2);
}

.btn-light:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, var(--dark-300) 0%, var(--dark-400) 100%);
    color: var(--secondary-color);
    box-shadow: 0 6px 20px rgba(100, 116, 139, 0.4);
    border-color: var(--secondary-color);
}

/* Admin Panel Styles */
.sidebar {
    background: var(--dark-gradient);
    border-right: 1px solid rgba(245, 158, 11, 0.2);
    min-height: 100vh;
    position: relative;
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background: var(--secondary-gradient);
    opacity: 0.3;
}

.sidebar .logo {
    padding: 2rem 1rem;
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    background: rgba(245, 158, 11, 0.05);
}

.sidebar .logo h2 {
    color: var(--secondary-color);
    font-family: var(--font-primary);
    font-weight: 900;
    text-align: center;
    margin: 0;
    text-shadow: 0 2px 10px rgba(245, 158, 11, 0.4);
}

.sidebar .nav-link {
    color: var(--dark-500);
    padding: 1.25rem 1.5rem;
    margin: 0.5rem 1rem;
    border-radius: 12px;
    transition: all var(--transition-luxury);
    border: 1px solid transparent;
    background: rgba(51, 65, 85, 0.3);
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: var(--secondary-gradient);
    color: var(--dark-50);
    transform: translateX(8px);
    box-shadow: var(--shadow-gold);
    border-color: var(--secondary-color);
}

.main-content {
    background: var(--hero-gradient);
    min-height: 100vh;
    padding: 2rem;
}

.dashboard-header {
    background: linear-gradient(135deg, var(--dark-100) 0%, var(--dark-200) 100%);
    padding: 3rem 2rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    border: 1px solid rgba(245, 158, 11, 0.2);
    box-shadow: var(--shadow-luxury);
}

.dashboard-header h1 {
    color: var(--secondary-color);
    font-family: var(--font-primary);
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(245, 158, 11, 0.4);
}

.stats-card {
    background: linear-gradient(145deg, var(--dark-100) 0%, var(--dark-200) 100%);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(245, 158, 11, 0.2);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-luxury);
    transition: all var(--transition-luxury);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--secondary-gradient);
}

.stats-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-premium);
    border-color: var(--secondary-color);
}

.stats-card h3 {
    color: var(--secondary-color);
    font-family: var(--font-primary);
    font-weight: 900;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.stats-card p {
    color: var(--dark-500);
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stats-card small {
    color: var(--accent-color);
    font-weight: 600;
}

/* Формы - оптимизированные */
.form-control, .form-select {
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    background: rgba(30, 41, 59, 0.8);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-luxury);
}

.form-control:focus, .form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(245, 158, 11, 0.25);
    background: rgba(30, 41, 59, 0.9);
    color: var(--text-primary);
}

.form-label {
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Tables */
.table {
    background: linear-gradient(145deg, var(--dark-100) 0%, var(--dark-200) 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-luxury);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.table th {
    background: var(--secondary-gradient);
    border: none;
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--dark-50);
    padding: 1.5rem 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.table td {
    border: none;
    border-bottom: 1px solid rgba(245, 158, 11, 0.1);
    padding: 1.5rem 2rem;
    vertical-align: middle;
    color: var(--dark-500);
    background: rgba(30, 41, 59, 0.3);
}

.table tbody tr:hover {
    background: rgba(245, 158, 11, 0.1);
    transform: translateX(8px);
    transition: all var(--transition-luxury);
}

/* Badges */
.badge {
    padding: 0.75rem 1.25rem;
    border-radius: 16px;
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-luxury);
}

.badge.bg-success {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
    color: var(--dark-50);
}

.badge.bg-warning {
    background: var(--secondary-gradient) !important;
    color: var(--dark-50);
}

.badge.bg-primary {
    background: var(--accent-gradient) !important;
    color: var(--dark-50);
}

/* Footer - оптимизированный */
footer {
    background: var(--primary-gradient);
    color: var(--text-secondary);
    margin-top: 3rem;
    border-top: 1px solid rgba(245, 158, 11, 0.2);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

footer h5 {
    color: var(--secondary-color);
    font-family: var(--font-primary);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: 500;
}

footer a:hover {
    color: var(--secondary-color);
    padding-left: 0.5rem;
}

/* Скрытая админ-панель */
.admin-trigger {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 4px;
    height: 4px;
    background: transparent;
    z-index: 9999;
    cursor: pointer;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Медиа-запросы для адаптивности */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 1rem;
    }
    .display-4 {
        font-size: 3.2rem;
    }
}

@media (max-width: 992px) {
    .hero-section, .page-header {
        min-height: 70vh;
        text-align: center;
    }

    .contact-info {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .nav-link {
        margin: 0.25rem 0;
    }
    .display-4 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 1rem;
    }

    .navbar {
        padding: 0.75rem 0;
    }

    .navbar-brand {
        font-size: 1.5rem;
    }

    .social-links {
        justify-content: center;
    }
    .display-4 {
        font-size: 2.2rem;
    }
    .sidebar {
        position: fixed;
        left: -100%;
        transition: left 0.3s ease;
        z-index: 1000;
    }

    .sidebar.show {
        left: 0;
    }
}

/* Улучшения производительности */
.bg-white.bg-opacity-20 i,
.bg-white.bg-opacity-10 i {
    color: var(--secondary-color) !important;
    filter: drop-shadow(0 2px 8px rgba(245, 158, 11, 0.6));
}

.rounded-circle i {
    color: var(--primary-color) !important;
}

/* Оптимизация скроллбара */
::-webkit-scrollbar {
    width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Списки - оптимизированные */
ul li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.6;
}

ul li i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
    font-size: 1rem;
}

/* Специальные улучшения производительности */
* {
    -webkit-tap-highlight-color: transparent;
}

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

/* Критические стили для быстрой загрузки */
.critical-section {
    contain: layout style paint;
}

.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

/* Упрощенные hover эффекты для лучшей производительности */
.hover-lift:hover {
    transform: translateY(-2px);
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-glow:hover {
    box-shadow: var(--glow-primary);
}
/* Completely remove glare effect to prevent flickering */
.btn::before {
    display: none;
}

.btn:hover::before {
    display: none;
}
/* ===== iOS Safari stability override ===== */
@supports (-webkit-touch-callout: none) {
  .navbar{
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: rgba(15, 23, 42, 0.98) !important;
  }
}