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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Шапка */
.header {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.site-title a {
    color: white;
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: bold;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.main-nav a {
    color: #ecf0f1;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.main-nav a:hover {
    background-color: #34495e;
}

/* Главный контент */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Герой-секция */
.hero {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 4rem 0;
    text-align: center;
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Сетка статей */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.article-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.article-card h3 {
    margin-bottom: 1rem;
}

.article-card h3 a {
    color: #2c3e50;
    text-decoration: none;
}

.article-card h3 a:hover {
    color: #3498db;
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
}

/* Статья */
.article {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.article-header {
    border-bottom: 2px solid #3498db;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.article-header h1 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.article-date {
    color: #7f8c8d;
    font-style: italic;
}

.article-content {
    line-height: 1.8;
}

.article-content h2 {
    color: #2c3e50;
    margin: 2rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #ecf0f1;
}

.article-content h3 {
    color: #34495e;
    margin: 1.5rem 0 0.5rem 0;
}

.article-content p {
    margin-bottom: 1rem;
}

.article-content ul, .article-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content code {
    background: #f8f9fa;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

.article-content pre {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.article-content pre code {
    background: none;
    padding: 0;
}

.article-nav {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid #ecf0f1;
}

.btn {
    display: inline-block;
    background: #cc2b24;
    color: white;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background: #2980b9;
}

/* О секции */
.about {
    background: white;
    padding: 3rem 0;
    margin-top: 3rem;
    border-top: 1px solid #ecf0f1;
}

/* Подвал */
.footer {
    background: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Адаптивность */
@media (max-width: 768px) {
    .main-nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article {
        padding: 1rem;
    }
}