/**
 * ЕДИНАЯ СИСТЕМА КОМПОНЕНТОВ ДЛЯ ВСЕХ СТРАНИЦ
 * 
 * Этот файл обеспечивает единообразный дизайн и расположение элементов
 * на всех страницах сайта.
 * 
 * Принципы:
 * 1. Единые отступы и spacing
 * 2. Единые размеры компонентов
 * 3. Единая типографика
 * 4. Единая цветовая схема
 * 5. Адаптивность на всех устройствах
 */

/* ========================================
   ПЕРЕМЕННЫЕ ДЛЯ ЕДИНООБРАЗИЯ
   ======================================== */

:root {
    /* Spacing aliases -> design-system tokens */
    --spacing-xs: var(--spacing-2);
    --spacing-sm: var(--spacing-4);
    --spacing-md: var(--spacing-6);
    --spacing-lg: var(--spacing-8);
    --spacing-xl: var(--spacing-12);
    --spacing-2xl: var(--spacing-16);
}

/* ========================================
  ОСНОВНЫЕ КОНТЕЙНЕРЫ
  ======================================== */
/* Page layout styles live in unified-page-design.css to avoid overrides. */

/* ========================================
   ТИПОГРАФИКА
   ======================================== */

/* Заголовки секций */
.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title i {
    color: var(--brand-primary);
    font-size: 1.5rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-lg);
}

/* Заголовки внутри карточек */
.content-card-item h3 {
    margin: 0 0 var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.content-card-item h3 i {
    color: var(--brand-primary);
}

.content-card-item h4 {
    margin: 0 0 var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.content-card-item h4 i {
    color: var(--brand-primary);
    font-size: 1.125rem;
}

/* ========================================
   КНОПКИ - ЕДИНЫЙ СТИЛЬ
   ======================================== */

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    background: var(--brand-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.page-btn:hover {
    background: var(--brand-primary-hover, #2563eb);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

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

.page-btn-outline:hover {
    background: var(--brand-primary);
    color: white;
}

.page-btn-inline {
    display: inline-flex;
}

/* Специальные кнопки */
.page-btn-history {
    background: linear-gradient(135deg, #0ea5e9, #0284c7) !important;
}

.page-btn-monitor {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed) !important;
}

.page-btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
}

.page-btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
    color: white;
}

/* ========================================
   КАРТОЧКИ И КОМПОНЕНТЫ
   ======================================== */

/* Feature Card - карточка преимущества */
.feature-card {
    background: var(--surface-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--brand-primary);
    margin-bottom: var(--spacing-md);
}

.feature-card h5 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Pricing Card - карточка тарифа */
.pricing-card-enhanced {
    background: var(--surface-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.pricing-card-enhanced:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.pricing-card-enhanced.featured {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-md);
}

.pricing-card-enhanced .card-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
    position: relative;
}

.pricing-card-enhanced .card-header h5 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md);
}

.pricing-card-enhanced .price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: var(--spacing-sm);
}

.pricing-card-enhanced .price .currency {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.pricing-card-enhanced .price .amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pricing-card-enhanced .price .period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-card-enhanced .badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.375rem 0.75rem;
    background: var(--brand-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 1;
}

.pricing-card-enhanced .card-body {
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.pricing-card-enhanced .card-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-card-enhanced .card-body li {
    padding: var(--spacing-sm) 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.pricing-card-enhanced .card-body li i {
    color: var(--success, #22c55e);
    font-size: 0.875rem;
}

.pricing-card-enhanced .card-footer {
    margin-top: auto;
}

/* Service Card - карточка услуги */
.service-card {
    background: var(--surface-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.service-card h5 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.service-card h5 i {
    color: var(--brand-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm);
}

.service-card .badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ========================================
   СЕТКИ И РАСПОЛОЖЕНИЕ
   ======================================== */

/* Grid для карточек */
.pricing-grid,
.features-grid,
.services-grid,
.benefits-section,
.levels-grid,
.steps-grid,
.contact-grid,
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Секции */
.pricing-section,
.features-section,
.services-section,
.benefits-section,
.levels-section,
.steps-section,
.contact-section,
.help-section {
    margin-bottom: var(--spacing-2xl);
}

.pricing-section:last-child,
.features-section:last-child,
.services-section:last-child,
.benefits-section:last-child,
.levels-section:last-child,
.steps-section:last-child,
.contact-section:last-child,
.help-section:last-child {
    margin-bottom: 0;
}

/* ========================================
   BREADCRUMB
   ======================================== */

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg);
    background: transparent;
    border-radius: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    padding: 0 var(--spacing-sm);
    color: var(--text-muted);
}

.breadcrumb-item a {
    color: var(--brand-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--brand-primary-hover, #2563eb);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

/* ========================================
   КНОПКИ КОНТАКТОВ И ПОМОЩИ
   ======================================== */

.contact-btn,
.help-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.75rem 1.5rem !important;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary)) !important;
    color: white !important;
    text-decoration: none !important;
    border-radius: var(--radius-md) !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
}

.contact-btn:hover,
.help-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3) !important;
    color: white !important;
    text-decoration: none !important;
}

/* Help Card */
.help-card {
    background: var(--surface-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.help-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.help-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.help-icon i {
    font-size: 2rem;
    color: white;
}

.help-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm);
}

.help-card p {
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md);
}

/* ========================================
   ФОРМЫ ВНУТРИ КАРТОЧЕК
   ======================================== */

.content-card-item form {
    margin: 0;
}

/* ========================================
   АДАПТИВНОСТЬ
   ======================================== */

@media (max-width: 1200px) {
    .pricing-grid,
    .features-grid,
    .services-grid,
    .benefits-section,
    .levels-grid,
    .steps-grid,
    .contact-grid,
    .help-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .pricing-grid,
    .features-grid,
    .services-grid,
    .benefits-section,
    .levels-grid,
    .steps-grid,
    .contact-grid,
    .help-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .pricing-card-enhanced .price .amount {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    /* Component-level mobile tweaks only */
}

/* ========================================
   АНИМАЦИИ
   ======================================== */

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

/* ========================================
   УТИЛИТЫ
   ======================================== */

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

.mt-5 {
    margin-top: var(--spacing-xl);
}

.mb-5 {
    margin-bottom: var(--spacing-xl);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.py-3 {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}