/* ОБЩИЕ СТИЛИ ДЛЯ ВСЕХ СТРАНИЦ */

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

:root {
    --primary-color: #0088cc;
    --secondary-color: #2a2d3e;
    --accent-color: #00d4aa;
    --dark-color: #1a1d29;
    --light-color: #f8f9fa;
    --danger-color: #ff4757;
    --warning-color: #ffa502;
    --success-color: #2ed573;
    --text-color: #e4e6eb;
    --text-muted: #b0b3b8;
    --border-color: #3a3f58;
    --card-bg: #2a2d3e;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* НАВИГАЦИЯ - ОБЯЗАТЕЛЬНО */
.navbar {
    background-color: var(--secondary-color);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.logo i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-menu li {
    margin-left: 15px;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav-menu a i {
    margin-right: 8px;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--primary-color);
    color: white;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

.cart-icon {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* ОТСТУП ДЛЯ ФИКСИРОВАННОЙ НАВИГАЦИИ */
main, section {
    margin-top: 80px;
    flex: 1;
}

/* ФУТЕР - ОБЯЗАТЕЛЬНО */
.footer {
    background-color: var(--secondary-color);
    padding: 40px 0 20px;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.disclaimer {
    font-size: 0.8rem;
    margin-top: 10px;
    color: var(--text-muted);
}

/* ОБЩИЕ КНОПКИ */
.btn-primary,
.btn-add-to-cart,
.btn-contact,
.btn-telegram {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary:hover,
.btn-add-to-cart:hover,
.btn-contact:hover,
.btn-telegram:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* ОБЩИЕ КАРТОЧКИ */
.category-card,
.product-card,
.plan,
.info-card,
.feature-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.category-card:hover,
.product-card:hover,
.plan:hover,
.info-card:hover,
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

/* АДАПТИВНОСТЬ ДЛЯ ВСЕХ СТРАНИЦ */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--secondary-color);
        flex-direction: column;
        transition: left 0.3s ease;
        padding: 20px;
        overflow-y: auto;
        align-items: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 10px 0;
        width: 100%;
    }
    
    .nav-menu a {
        justify-content: flex-start;
        padding: 12px 15px;
        font-size: 1rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    main, section {
        margin-top: 70px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}