:root {
    /* Цветовая палитра */
    --primary-color: #6366f1;   
    --primary-dark: #4f46e5;    
    --primary-light: #818cf8;   
    --accent-color: #10b981;    
    --accent-light: #34d399;    
    --dark-bg: #0f172a;         
    --dark-bg-surface: #1e293b; 
    --card-bg: rgba(30, 41, 59, 0.7); 
    --text-color: #f1f5f9;      
    --text-muted: #94a3b8;      
    --border-color: rgba(148, 163, 184, 0.2); 
    --success-color: #10b981;   
    --warning-color: #f59e0b;   
    
    /* RGB варианты для эффектов */
    --primary-color-rgb: 99, 102, 241;
    --dark-bg-rgb: 15, 23, 42;
    
    /* Эффекты и размеры */
    --shadow: 0 8px 25px rgba(0, 0, 0, 0.15); 
    --shadow-intense: 0 10px 30px rgba(var(--primary-color-rgb), 0.2); 
    --glass-blur: blur(16px);   
    --border-radius: 16px;      
    --border-radius-sm: 8px;    
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1); 
    --header-height: 70px;      
    
    /* Системные переменные */
    --system-ui: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

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

body {
    font-family: 'Inter', var(--system-ui);
    background: linear-gradient(135deg, var(--dark-bg) 0%, #162238 50%, var(--dark-bg-surface) 100%);
    background-size: 200% 200%;
    animation: gradientAnimation 15s ease infinite;
    color: var(--text-color);
    line-height: 1.6;
}

/* Базовые элементы */
a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color var(--transition-smooth), transform var(--transition-smooth);
    position: relative;
}

a:hover {
    color: var(--accent-light);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Типографика */
h1, h2, h3, h4 {
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    position: relative;
    padding-bottom: 16px;
    text-align: center;
}

h2:after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

/* Шапка */
header {
    background: rgba(var(--dark-bg-rgb), 0.8);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 20px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    min-height: var(--header-height);
    transition: transform 0.4s ease, background 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

header.header-smart-scroll {
    position: sticky;
    top: 0;
    z-index: 90;
}

header.header-hidden {
    transform: translateY(-100%);
    box-shadow: none;
}

body:not(.home) header.header-smart-scroll:not(.header-hidden) {
    background: rgba(var(--dark-bg-rgb), 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-right: 30px;
}

/* Меню в хедере */
.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Логотип */
.logo a {
    display: flex;
    align-items: center;
}

.logo h1 {
    font-size: 2rem;
    margin-bottom: 0;
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

.logo span {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
}

.logo span::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: translateY(5px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.logo:hover span::after {
    transform: translateY(0);
    opacity: 1;
}

/* Навигация - общие стили */
nav ul {
    display: flex;
    gap: 40px;
    box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.2), -5px -5px 15px rgba(255, 255, 255, 0.03);
}

nav ul li a {
    color: var(--text-color);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    font-size: 1.05rem;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 50%;
}

nav ul li a:hover {
    color: var(--primary-light);
}

nav ul li a.active {
    box-shadow: 0 0 15px rgba(var(--primary-color-rgb), 0.1);
}

/* Секция сетей */
.networks-section {
    padding: 40px 0 60px;
    margin-top: -20px;
}

.network-tabs {
    display: flex;
    justify-content: center;
    margin: 30px 0;
    background: rgba(var(--dark-bg-rgb), 0.5);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius);
    padding: 6px;
    border: 1px solid var(--border-color);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-smooth);
    text-align: center;
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 1;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-smooth);
    border-radius: inherit;
}

.tab-btn:hover {
    color: var(--text-color);
    transform: translateY(-2px);
}

.tab-btn:hover::before {
    opacity: 0.1;
}

.tab-btn.active {
    color: var(--text-color);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: var(--shadow-intense);
}

.tab-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(var(--primary-color-rgb), 0.5);
}

.tab-btn:active {
    transform: scale(0.98);
}

/* Сетка сетей */
.network-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

/* Заголовки категорий сетей */
.network-category {
    grid-column: 1 / -1;
    text-align: center;
    margin: 20px 0 10px;
}

.network-category h3 {
    display: inline-block;
    font-size: 1.6rem;
    color: var(--text-color);
    position: relative;
    padding: 0 15px;
}

.network-category h3::before,
.network-category h3::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background: var(--border-color);
}

.network-category h3::before {
    left: -40px;
}

.network-category h3::after {
    right: -40px;
}

.network-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow);
    position: relative;
    text-align: center;
}

.network-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center,
        rgba(var(--primary-color-rgb), 0.08) 0%,
        rgba(16, 185, 129, 0.08) 25%,
        transparent 70%
    );
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
    z-index: -1;
}

.network-card:hover::after {
    opacity: 1;
    transform: scale(1);
}

.network-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15), 
                0 0 0 1px rgba(var(--primary-color-rgb), 0.1),
                0 0 20px rgba(var(--primary-color-rgb), 0.1);
    border-color: rgba(var(--primary-color-rgb), 0.2);
}

.network-card:hover .network-name {
    background-position: right center;
}

.network-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.network-logo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.network-logo img {
    max-width: 70px;
    max-height: 70px;
    transition: transform 0.5s ease;
    will-change: transform;
}

.network-card:hover .network-logo img {
    transform: scale(1.1);
}

.network-info {
    padding: 20px;
}

.network-name {
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--text-color), var(--primary-light));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
    transition: background-position 0.5s ease;
}

.network-id {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.network-id::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb), 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(var(--primary-color-rgb), 0); }
    100% { box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb), 0); }
}

.network-apr {
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(var(--dark-bg-rgb), 0.3);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.network-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    z-index: -1;
    transform: translateY(100%);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn:hover::before {
    transform: translateY(0);
}

.btn-delegate {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    flex: 1;
    box-shadow: 0 4px 15px rgba(var(--primary-color-rgb), 0.3);
    padding: 8px 16px;
    font-size: 0.85rem;
    min-width: 90px;
}

.btn-delegate:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(var(--primary-color-rgb), 0.4);
}

.btn-services {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    flex: 1;
    padding: 8px 16px;
    font-size: 0.85rem;
    min-width: 90px;
}

.btn-services:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.apr-value {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1rem;
}

/* Секция "Почему ITpro" */
.why-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, rgba(var(--dark-bg-rgb), 0.8) 100%);
    position: relative;
}

.section-description {
    max-width: 800px;
    margin: 0 auto 60px;
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--text-muted);
    text-align: center;
}

.why-section h2 {
    margin-bottom: 30px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 30px;
}

.feature-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-intense);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-color-rgb), 0.1);
    border-radius: 50%;
    transition: all var(--transition-smooth);
}

.feature-card:hover .feature-icon {
    background: rgba(var(--primary-color-rgb), 0.2);
    transform: scale(1.1);
}

.feature-icon img {
    width: 40px;
    height: 40px;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

/* Подвал */
footer {
    background: var(--dark-bg-surface);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 14px;
    text-align: left;
    padding-bottom: 0;
}

.footer-logo h2:after {
    display: none;
}

.footer-logo span {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-logo p {
    color: var(--text-muted);
    font-size: 1rem;
}

.footer-links h3,
.footer-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-color);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: var(--text-muted);
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.footer-links ul li a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-contact p {
    margin-bottom: 20px;
    color: var(--text-muted);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-smooth);
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.social-icon img {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Функциональность вкладок */
.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-content.active {
    display: grid;
    opacity: 1;
    transform: translateY(0);
}

/* Мобильное меню */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
    cursor: pointer;
    will-change: opacity, visibility;
}

#mobile-menu-checkbox:checked ~ .menu-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transition: opacity 0.3s ease, visibility 0s linear;
}

#mobile-menu-checkbox:not(:checked) ~ .menu-overlay {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 200;
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: all 0.3s cubic-bezier(0.68, -0.6, 0.32, 1.6);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 5px rgba(var(--primary-color-rgb), 0.5);
}

.mobile-menu-toggle span::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    transition: left 0.3s ease;
}

.mobile-menu-toggle:hover span::before {
    left: 0;
}

.mobile-menu-toggle:hover span:nth-child(1) {
    transform: translateY(-2px);
}

.mobile-menu-toggle:hover span:nth-child(3) {
    transform: translateY(2px);
}

#mobile-menu-checkbox {
    display: none;
}

/* Мобильная версия */
@media screen and (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    header {
        position: relative;
        padding: 20px 0;
    }
    
    nav ul {
        position: fixed;
        flex-direction: column;
        justify-content: flex-start;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background: rgba(var(--dark-bg-rgb), 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        z-index: 1000;
        opacity: 0;
        transition: all 0.3s ease;
        visibility: hidden;
        overflow-y: auto;
        display: flex;
        padding: 80px 30px 30px;
        align-items: flex-start;
        transform: translateX(30px);
    }
    
    .network-category h3::before,
    .network-category h3::after {
        width: 20px;
    }
    
    .network-category h3::before {
        left: -25px;
    }
    
    .network-category h3::after {
        right: -25px;
    }
    
    #mobile-menu-checkbox:checked ~ header nav ul {
        right: 0;
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }
    
    #mobile-menu-checkbox:not(:checked) ~ header nav ul {
        right: -100%;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateX(30px);
    }
    
    /* Стили для кнопки закрытия */
    .mobile-menu-close-btn {
        position: absolute;
        top: 15px;
        right: 15px;
        width: 28px;
        height: 28px;
        background: rgba(var(--primary-color-rgb), 0.15);
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 101;
        cursor: pointer;
        transform: scale(1);
        transition: background 0.3s ease, transform 0.3s ease;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.08);
    }
    
    .mobile-menu-close-btn::before,
    .mobile-menu-close-btn::after {
        content: '';
        position: absolute;
        width: 14px;
        height: 2px;
        background: white;
        border-radius: 1px;
        transition: background 0.3s ease;
    }
    
    .mobile-menu-close-btn::before {
        transform: rotate(45deg);
    }
    
    .mobile-menu-close-btn::after {
        transform: rotate(-45deg);
    }
    
    .mobile-menu-close-btn:hover {
        transform: scale(1.1);
        background: rgba(var(--primary-color-rgb), 0.25);
    }
    
    /* Анимация появления пунктов меню */
    #mobile-menu-checkbox:checked ~ header nav ul li {
        opacity: 1;
        transform: translateY(0);
    }
    
    /* Стили для пунктов меню */
    nav ul li {
        width: 100%;
        text-align: left;
        opacity: 0;
        transform: translateY(10px);
        transition: all 0.4s ease;
        transition-delay: calc(0.05s * var(--i, 0));
        position: relative;
        margin: 0;
    }
    
    nav ul li a {
        font-size: clamp(0.9rem, 4vw, 1.1rem);
        white-space: normal;
        display: block;
        padding: clamp(8px, 3vw, 16px) clamp(12px, 4vw, 20px);
        font-weight: 500;
        letter-spacing: 0.2px;
        color: var(--text-color);
        background: none;
        transition: all 0.3s ease;
        position: relative;
        z-index: 1;
        width: 100%;
        border-radius: 14px;
    }
    
    nav ul li a:hover {
        background: rgba(var(--primary-color-rgb), 0.1);
        color: var(--primary-light);
    }
    
    /* Эффект для активного пункта меню */
    nav ul li a.active {
        background: linear-gradient(90deg, 
            rgba(var(--primary-color-rgb), 0.15) 0%, 
            rgba(16, 185, 129, 0.05) 100%);
        color: var(--primary-light);
    }
    
    nav ul li a.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        height: 100%;
        width: 3px;
        background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
        border-radius: 0 2px 2px 0;
    }
    
    /* Адаптивные стили для Networks блока */
    .networks-section {
        padding: 30px 0 50px;
    }
    
    .network-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 12px;
    }
    
    .network-name {
        font-size: 1.1rem;
    }
    
    .network-apr {
        padding: 6px 10px;
        font-size: 0.85rem;
    }
    
    .btn-delegate, .btn-services {
        padding: 7px 12px;
        font-size: 0.8rem;
        min-width: 80px;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
}

/* Маленькие экраны */
@media screen and (max-width: 576px) {
    .network-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .network-logo {
        height: 80px;
    }
    
    .network-logo img {
        max-width: 50px;
        max-height: 50px;
    }
    
    .network-info {
        padding: 15px;
    }
    
    .network-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .btn-delegate, .btn-services {
        width: 100%;
    }
}

/* Очень маленькие экраны */
@media screen and (max-width: 400px) {
    .network-grid {
        grid-template-columns: 1fr;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Поддержка для iOS */
@media (pointer: coarse) {
    .menu-overlay {
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }
}

/* Стили для раздела гайдов */
.guides-container {
    padding: 40px 0 80px;
}

.guides-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

.guide-view-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
}

@media (max-width: 1024px) {
    .guide-view-layout {
        grid-template-columns: 1fr;
    }
}

/* Полноширинный контейнер для гайда */
.guide-full-width {
    max-width: 1200px;
    margin: 0 auto;
}

.guide-content-container {
    width: 100%;
}

.guide-metadata {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--primary-light);
}

/* Боковая панель с категориями */
.guides-sidebar {
    position: relative;
}

.sidebar-content {
    position: sticky;
    top: 100px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: var(--glass-blur);
}

.search-box {
    margin-bottom: 24px;
}

.search-box form {
    display: flex;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 12px 40px 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
}

.search-box button {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-box button:hover {
    color: var(--primary-color);
}

.categories-list h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--text-color);
}

.categories-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.categories-list li {
    margin-bottom: 8px;
}

.categories-list a {
    display: block;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.categories-list a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
}

.categories-list a.active {
    background: rgba(var(--primary-color-rgb), 0.15);
    color: var(--primary-light);
    font-weight: 500;
}

.related-guides {
    margin-top: 32px;
}

.related-guides h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--text-color);
}

.related-guides ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.related-guides li {
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.related-guides li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.related-guides a {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.4;
    display: block;
    transition: color 0.3s ease;
}

.related-guides a:hover {
    color: var(--primary-light);
}

/* Список гайдов */
.guides-list-container {
    width: 100%;
}

.page-title {
    font-size: 2rem;
    margin-bottom: 32px;
    color: var(--text-color);
}

.no-guides {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow);
    backdrop-filter: var(--glass-blur);
}

.no-guides p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.guides-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

@media (max-width: 768px) {
    .guides-list {
        grid-template-columns: 1fr;
    }
}

.guide-card {
    display: block;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: var(--glass-blur);
    height: 100%;
    color: var(--text-color);
    text-decoration: none;
}

.guide-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-intense);
    color: var(--text-color);
}

.guide-image {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    height: 180px;
    background-color: rgba(15, 23, 42, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
}

.guide-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: fill;
    transition: transform 0.5s ease;
}

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

.default-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.1), rgba(var(--primary-color-rgb), 0.2));
    color: var(--primary-light);
}

.guide-content {
    padding: 24px;
}

.guide-content h2 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    line-height: 1.4;
    color: var(--text-color);
}

.guide-excerpt {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.guide-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.guide-date {
    display: flex;
    align-items: center;
}

.guide-category {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(var(--primary-color-rgb), 0.15);
    color: var(--primary-light);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Страница просмотра гайда */
.guide-back-link {
    margin-bottom: 24px;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--primary-light);
}

.guide-content-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
    backdrop-filter: var(--glass-blur);
}

@media (max-width: 768px) {
    .guide-content-container {
        padding: 24px;
    }
}

.guide-metadata {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.guide-category-badge {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(var(--primary-color-rgb), 0.15);
    color: var(--primary-light);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: background 0.3s ease;
    margin-right: auto;
}

.guide-category-badge:hover {
    background: rgba(var(--primary-color-rgb), 0.25);
    color: var(--primary-light);
}

.guide-details {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.guide-author, .guide-views {
    display: flex;
    align-items: center;
}

.guide-title {
    font-size: 2.2rem;
    margin-bottom: 24px;
    line-height: 1.3;
    text-align: center;
}

.guide-excerpt {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.guide-featured-image {
    margin-bottom: 32px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.guide-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.guide-full-content {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-color);
}

.guide-full-content p {
    margin-bottom: 24px;
}

.guide-full-content h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
}

.guide-full-content h3 {
    font-size: 1.4rem;
    margin: 32px 0 16px;
}

.guide-full-content ul, .guide-full-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.guide-full-content li {
    margin-bottom: 8px;
}

.guide-full-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: 24px 0;
}

.guide-full-content pre {
    background: rgba(0, 0, 0, 0.2);
    padding: 16px;
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin-bottom: 24px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
}

.guide-full-content code {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
}

.guide-full-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
    margin-left: 0;
    margin-bottom: 24px;
    color: var(--text-muted);
    font-style: italic;
}

.guide-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.guide-nav-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(var(--primary-color-rgb), 0.1);
    color: var(--primary-light);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.guide-nav-button:hover {
    background: rgba(var(--primary-color-rgb), 0.2);
    color: var(--primary-light);
}

.guide-share {
    display: flex;
    align-items: center;
    gap: 12px;
}

.guide-share span {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.share-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.share-button:hover {
    background: rgba(var(--primary-color-rgb), 0.2);
    color: var(--primary-light);
    transform: translateY(-2px);
}

/* Стили для переключателя языков */
.language-switcher {
    margin-bottom: 1.5rem;
    background: rgba(15, 23, 42, 0.3);
    border-radius: 12px;
    padding: 12px;
    border: 1px solid var(--border-color);
}

.language-switcher h3 {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    font-weight: 500;
}

.language-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.language-options a {
    width: 100%;
    padding: 10px 6px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.language-options a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.language-options a.active {
    background: rgba(99, 102, 241, 0.9);
    color: white;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Удаляем специальные стили для маленьких экранов, так как теперь всегда вертикальное отображение */
@media (max-width: 350px) {
    .language-options a {
        padding: 8px 6px;
    }
}

/* Стили для контента TinyMCE */
.guide-full-content h2, 
.guide-full-content h3, 
.guide-full-content h4 {
    margin-top: 1.5em;
    margin-bottom: 0.8em;
    color: #333;
}

.guide-full-content h2 {
    font-size: 1.8em;
}

.guide-full-content h3 {
    font-size: 1.5em;
}

.guide-full-content h4 {
    font-size: 1.3em;
}

.guide-full-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1em 0;
}

.guide-full-content pre {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 4px;
    font-family: monospace;
    overflow-x: auto;
    margin: 1em 0;
}

.guide-full-content .code-block {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 4px;
    font-family: monospace;
    overflow-x: auto;
    margin: 1em 0;
}

.guide-full-content blockquote {
    border-left: 4px solid #6366f1;
    padding-left: 20px;
    margin-left: 0;
    color: #555;
}

.guide-full-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}

.guide-full-content table td, 
.guide-full-content table th {
    border: 1px solid #ddd;
    padding: 8px;
}

.guide-full-content table th {
    background-color: #f2f2f2;
    text-align: left;
}

.guide-full-content .notice-block {
    background-color: #e8f4f8;
    border-left: 4px solid #5bc0de;
    padding: 15px;
    margin: 1em 0;
}

.guide-full-content .tip-block {
    background-color: #dff0d8;
    border-left: 4px solid #5cb85c;
    padding: 15px;
    margin: 1em 0;
}

.guide-full-content .important-block {
    background-color: #fcf8e3;
    border-left: 4px solid #f0ad4e;
    padding: 15px;
    margin: 1em 0;
}

/* Стили для блоков контента */
.code-block {
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 15px;
    margin: 15px 0;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.4;
    overflow-x: auto;
    white-space: pre;
}

.notice-block {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 15px;
    margin: 15px 0;
    border-radius: 0 4px 4px 0;
}

.tip-block {
    background: #d4edda;
    border-left: 4px solid #28a745;
    padding: 15px;
    margin: 15px 0;
    border-radius: 0 4px 4px 0;
}

.important-block {
    background: #f8d7da;
    border-left: 4px solid #dc3545;
    padding: 15px;
    margin: 15px 0;
    border-radius: 0 4px 4px 0;
}

/* Стили для мобильных устройств */
@media (max-width: 768px) {
    .code-block {
        font-size: 13px;
        padding: 10px;
    }
    
    .notice-block,
    .tip-block,
    .important-block {
        padding: 10px;
        margin: 10px 0;
    }
}

/* Стили для отображения гайдов на других языках */
.other-languages-notice {
    margin: 30px 0 20px;
    padding: 15px;
    background: rgba(53, 208, 240, 0.1);
    border-left: 4px solid var(--accent-color);
    border-radius: 8px;
}

.other-languages-notice h3 {
    margin: 0;
    color: var(--accent-color);
    font-size: 1.2rem;
    font-weight: 500;
}

.guide-language-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--accent-color);
    color: #fff;
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Улучшенные стили для мобильных устройств */
@media screen and (max-width: 768px) {
    .guides-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar-content {
        position: relative;
        top: 0;
        padding: 16px;
        margin-bottom: 24px;
        background: rgba(30, 41, 59, 0.8);
        backdrop-filter: var(--glass-blur);
    }
    
    .search-box input {
        padding: 14px 40px 14px 16px;
        font-size: 16px;
    }
    
    .language-options {
        display: flex;
        flex-direction: row;
        gap: 6px;
    }
    
    .language-options a {
        flex: 1;
        padding: 12px 6px;
        font-size: 14px;
    }
    
    .categories-list ul {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .categories-list a {
        white-space: nowrap;
        padding: 8px 14px;
        font-size: 13px;
        background: rgba(30, 41, 59, 0.6);
        border-radius: 40px;
    }
    
    .guides-list {
        grid-template-columns: 1fr;
    }
    
    .guide-content-container {
        padding: 24px 16px;
    }
    
    .guide-title {
        font-size: 1.8rem;
    }
    
    .guide-metadata {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .guide-details {
        width: 100%;
        justify-content: space-between;
        margin-top: 8px;
    }
    
    .guide-image {
        height: 200px;
    }
}

/* Дополнительные оптимизации для очень маленьких экранов */
@media screen and (max-width: 380px) {
    .language-options a {
        padding: 10px 5px;
        font-size: 13px;
    }
    
    .categories-list a {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .guide-title {
        font-size: 1.6rem;
    }
    
    .guide-content-container {
        padding: 20px 12px;
    }
}

/* Оптимизации для производительности */
.guides-sidebar {
    will-change: transform;
}

.guide-card {
    contain: layout style;
}

.guide-image img {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Улучшенный интерфейс категорий для большого количества данных */
.category-search {
    position: relative;
    margin-bottom: 16px;
}

.category-search input {
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 24px;
    padding: 8px 32px 8px 12px;
    width: 100%;
    color: var(--text-color);
    font-size: 14px;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.category-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(15, 23, 42, 0.4);
}

.category-search .clear-search {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 4px;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease, color 0.2s ease;
}

.category-search input:not(:placeholder-shown) + .clear-search {
    opacity: 1;
}

.category-search .clear-search:hover {
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.05);
}

.category-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.category-tabs .tab-button {
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 14px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tabs .tab-button.active {
    background: rgba(var(--primary-color-rgb), 0.2);
    color: var(--primary-light);
    border-color: rgba(var(--primary-color-rgb), 0.3);
}

.category-tabs .tab-button:hover:not(.active) {
    background: rgba(15, 23, 42, 0.5);
    color: var(--text-color);
}

.categories-container {
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) rgba(15, 23, 42, 0.3);
    padding-right: 6px;
}

/* Стилизация скроллбара */
.categories-container::-webkit-scrollbar {
    width: 6px;
}

.categories-container::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.3);
    border-radius: 10px;
}

.categories-container::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.category-group {
    display: none;
}

.category-group.active {
    display: block;
}

.category-popular-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-popular-list a {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-color);
    background: rgba(15, 23, 42, 0.4);
    transition: background 0.3s ease, color 0.3s ease;
    text-decoration: none;
}

.category-popular-list a:hover, 
.category-popular-list a.active {
    background: rgba(var(--primary-color-rgb), 0.2);
    color: var(--primary-light);
}

.category-letter-group {
    margin-bottom: 12px;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.2);
}

.letter-group-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(15, 23, 42, 0.4);
    border: none;
    border-radius: 6px;
    color: var(--text-color);
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
}

.letter-group-toggle:hover {
    background: rgba(15, 23, 42, 0.6);
}

.letter-group-toggle .chevron {
    transition: transform 0.3s ease;
}

.letter-group-toggle[aria-expanded="true"] .chevron {
    transform: rotate(180deg);
}

.letter-group-content {
    display: none;
    padding: 10px 14px;
    background: rgba(15, 23, 42, 0.3);
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

.letter-group-toggle[aria-expanded="true"] + .letter-group-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
}

.letter-group-content a {
    display: block;
    padding: 6px 10px;
    border-radius: 16px;
    font-size: 13px;
    color: var(--text-color);
    background: rgba(15, 23, 42, 0.4);
    transition: background 0.3s ease, color 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.letter-group-content a:hover,
.letter-group-content a.active {
    background: rgba(var(--primary-color-rgb), 0.2);
    color: var(--primary-light);
}

/* Мобильная оптимизация */
@media screen and (max-width: 768px) {
    .letter-group-toggle[aria-expanded="true"] + .letter-group-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 480px) {
    .letter-group-toggle[aria-expanded="true"] + .letter-group-content {
        grid-template-columns: 1fr;
    }
    
    .category-tabs .tab-button {
        flex: 1;
        text-align: center;
    }
}