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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Lato, Helvetica, Arial, sans-serif;
    background-color: #fff;
}

.main-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #eaecf0;
    padding: 15px 0;
    margin-bottom: 0;
}

.header-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
}

.site-title {
    font-size: 1.8em;
    font-weight: 600;
    color: #0645ad;
    text-decoration: none;
    margin-right: 20px;
    letter-spacing: 0;
}

.site-title:hover {
    color: #0b0080;
}

.site-slogan {
    font-size: 0.9em;
    color: #54595d;
    font-style: italic;
    border-left: 2px solid #eaecf0;
    padding-left: 15px;
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .site-slogan {
        border-left: none;
        padding-left: 0;
        font-size: 0.85em;
    }
}