/* ===================================
   ZEON GROUP - Стили сайта
   =================================== */

/* Подключение шрифта Montserrat */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

/* Основные переменные */
:root {
    --primary-color: #0066cc;
    --secondary-color: #004a99;
    --accent-color: #ff6600;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 20px rgba(0, 0, 0, 0.15);
}

/* Сброс стилей и базовые настройки */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* Типографика */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* Утилиты */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-accent { color: var(--accent-color) !important; }
.bg-light { background-color: var(--bg-light) !important; }
.bg-white { background-color: var(--bg-white) !important; }
.bg-primary { background-color: var(--primary-color) !important; }
.bg-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* Шапка сайта */
.top-bar {
    background-color: var(--text-dark);
    color: white;
    padding: 0.5rem 0;
    font-size: 0.9rem;
}

.top-bar a {
    color: white;
    margin-left: 1rem;
}

.top-bar a:hover {
    color: var(--accent-color);
}

/* Навигация */
.navbar {
    background-color: var(--bg-white) !important;
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.navbar-brand:hover {
    color: var(--secondary-color) !important;
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

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

/* Герой секция */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path fill="%23ffffff" fill-opacity="0.1" d="M0,0 Q300,60 600,30 T1200,0 L1200,120 L0,120 Z"></path></svg>') repeat-x bottom;
    background-size: 100% 120px;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-section p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-section .badge {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.1s backwards;
}

/* Статистика */
.stats-section {
    padding: 3rem 0;
    background-color: var(--bg-light);
}

.stat-card {
    text-align: center;
    padding: 2rem;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Карточки возможностей */
.capability-card, .service-card, .news-card {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 2rem;
    height: 100%;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.capability-card:hover, .service-card:hover, .news-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.capability-icon, .service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.capability-card h4, .service-card h4 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.capability-card p, .service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.capability-card ul, .service-card ul {
    list-style: none;
    padding-left: 0;
}

.capability-card ul li, .service-card ul li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.capability-card ul li::before, .service-card ul li::before {
    content: '?';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Кнопки */
.btn {
    border-radius: 5px;
    padding: 0.75rem 2rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
}

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

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

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

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

.btn-accent {
    background-color: var(--accent-color);
    color: white;
}

.btn-accent:hover {
    background-color: #ff8533;
}

/* Секции */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.2rem;
    color: var(--text-light);
}

/* О компании */
.about-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2rem;
}

.about-feature {
    flex: 1 1 calc(50% - 1.5rem);
    min-width: 250px;
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.about-feature h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Партнеры */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.partner-logo {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

/* Новости */
.news-card {
    position: relative;
    overflow: hidden;
}

.news-category {
    display: inline-block;
    padding: 0.25rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.news-date {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Контакты */
.contact-info {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
}

.contact-item h5 {
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.contact-item p {
    margin-bottom: 0;
    color: var(--text-light);
}

/* Формы */
.form-control {
    border-radius: 5px;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

/* Футер */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer h5 {
    color: white;
    margin-bottom: 1.5rem;
}

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

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.footer ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 1s ease;
}

.fade-in-up {
    animation: fadeInUp 1s ease;
}

/* Список услуг */
.services-list {
    list-style: none;
    padding: 0;
}

.services-list li {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.services-list li:hover {
    background-color: var(--bg-light);
    padding-left: 1.5rem;
}

.services-list li a {
    color: var(--text-dark);
    font-weight: 500;
}

/* Таблицы */
.table {
    margin-bottom: 2rem;
}

.table thead th {
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-weight: 600;
}

.table tbody tr:hover {
    background-color: var(--bg-light);
}

/* Аккордеон */
.accordion-button {
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-weight: 600;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
}

/* Бейджи */
.badge {
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

/* Breadcrumbs */
.breadcrumb {
    background-color: transparent;
    padding: 1rem 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '>';
    color: var(--text-light);
}

/* Адаптивность */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1.1rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .about-feature {
        flex: 1 1 100%;
    }
}

@media (max-width: 576px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .section {
        padding: 3rem 0;
    }
}

/* Прелоадер */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Кнопка "Наверх" */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    z-index: 1000;
}

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

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}