```css
/* ==========================================
   Journal Logo and Title - OJS
   Preserve existing header colors
   ========================================== */

/* Arrange logo and title horizontally */
.pkp_site_name_wrapper {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 25px;
    padding: 20px 30px !important;
    box-sizing: border-box;
}

/* Logo container */
.pkp_site_name {
    flex: 0 0 auto !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Logo image */
.pkp_site_name img {
    display: block !important;
    max-height: 100px !important;
    width: auto !important;
    height: auto !important;
    margin: 0 !important;
}

/* English title */
html[lang^="en"] .pkp_site_name_wrapper::after {
    content: "Comprehensive Journal of Science";
    display: block;
    color: #ffffff;
    font-size: 30px;
    font-weight: bold;
    text-align: left;
    direction: ltr;
    line-height: 1.4;
}

/* Arabic title */
html[lang^="ar"] .pkp_site_name_wrapper::after {
    content: "المجلة الشاملة للعلوم";
    display: block;
    color: #ffffff;
    font-size: 30px;
    font-weight: bold;
    text-align: right;
    direction: rtl;
    line-height: 1.6;
}

/* Mobile screens */
@media (max-width: 768px) {
    .pkp_site_name_wrapper {
        gap: 12px;
        padding: 15px !important;
        flex-wrap: wrap;
    }

    .pkp_site_name img {
        max-height: 70px !important;
    }

    html[lang^="en"] .pkp_site_name_wrapper::after,
    html[lang^="ar"] .pkp_site_name_wrapper::after {
        font-size: 20px;
    }
}
```