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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === ШАПКА === */
.header-box {
    width: 80%;
    margin: 30px auto;
    padding: 25px 40px;
    background-color: #1a1a2e;
    border: 2px solid #16213e;
    border-radius: 6px;
    text-align: center;
}

.header-box h1 {
    color: #ffffff;
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* === ОСНОВНОЕ ПОЛЕ === */
.main-content {
    width: 80%;
    margin: 0 auto 40px;
}

.sections-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.section-card {
    background-color: #ffffff;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.section-card h2 {
    font-size: 1.1rem;
    color: #1a1a2e;
    margin-bottom: 15px;
    padding-bottom: 2px;
    border-bottom: 2px solid #e0e0e0;
}

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

.section-card li {
    margin-bottom: 4px;
}

.section-card a {
    color: #0f3460;
    text-decoration: none;
    font-size: 0.95rem;
    display: block;
    padding: 6px 0;
    border-radius: 3px;
    transition: padding-left 0.2s;
}

.section-card a:hover {
    padding-left: 8px;
    text-decoration: underline;
}

/* === ПОДВАЛ === */
.footer {
    background-color: #1a1a2e;
    color: #b8b8b8;
    padding: 30px 40px;
    margin-top: auto;
}

.footer-inner {
    width: 80%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-nav h3 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 12px;
}

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

.footer-nav li {
    margin-bottom: 6px;
}

.footer-nav a {
    color: #b8b8b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-nav a:hover {
    color: #e94560;
}

.footer-info {
    max-width: 300px;
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-info p {
    margin-bottom: 8px;
}

.footer-nav a.active {
    color: #ffffff;
    font-weight: 600;
}

/* === АДАПТИВНОСТЬ === */
@media (max-width: 1024px) {
    .sections-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {

    .header-box,
    .main-content,
    .footer-inner {
        width: 95%;
    }

    .header-box {
        padding: 20px;
    }

    .header-box h1 {
        font-size: 1.5rem;
    }

    .sections-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
    }

}