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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-list a {
    text-decoration: none;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.nav-list a:hover {
    color: #3498db;
}

.main {
    padding: 2rem 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category-card h3 {
    padding: 1rem;
    font-size: 1.2rem;
}

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

.category-card p {
    padding: 0 1rem 1rem;
    color: #666;
}

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

/* Адаптивность */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-list {
        gap: 1rem;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* Статьи */
.article {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.article h1 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

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

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

.article-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1rem 0;
}

.breadcrumb {
    margin-bottom: 1rem;
    color: #666;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Форма контактов */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

.contact-form button {
    background: #3498db;
    color: white;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: #2980b9;
}

/* Для видео */
.video-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 */
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Таблицы */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 0.8rem;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

/* Код */
pre {
    background-color: #f4f4f4;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1rem 0;
}

code {
    font-family: 'Courier New', monospace;
    background-color: #f4f4f4;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}