* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    flex-direction: column;
    align-items: stretch;
}

.site-header {
    position: relative;
    z-index: 2;
    background: white;
    padding: 18px 0;
    border-bottom: 1px solid #eee;
}

.site-header-content {
    width: 95%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.site-logo {
    flex-shrink: 0;
    color: #131B2E;
    font-weight: bold;
    font-size: 24px;
    text-decoration: none;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: 8px 0;
}

.site-nav > a,
.site-nav > .nav-dropdown > summary {
    display: block;
    margin-left: 18px;
    color: #4a5568;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown > summary {
    list-style: none;
}

.nav-dropdown > summary::-webkit-details-marker {
    display: none;
}

.nav-dropdown > summary::after {
    content: " \25BE";
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 190px;
    padding: 6px 0;
    background: white;
    border: 1px solid #eee;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.12);
}

.nav-dropdown[open] > .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 9px 14px;
    color: #4a5568;
    font-size: 14px;
    text-decoration: none;
    white-space: nowrap;
}

.site-nav a:hover,
.dropdown-menu a:hover {
    color: #2b6cb0;
}
.section {
    color: #0F172A;

    padding: 20px;
    min-height: 200px;
}
.section h2.title {
    color: #0F172A;
}

article {
    color: #0F172A;
    padding: 30px;
    min-height: 250px;
}

        
aside {
    color: #0F172A;
    padding: 20px;
    flex: 1; 
     min-height: 510px; 
}


footer {
    background-color: #0F172A; 
    color: #68788F;
    padding: 25px;
    text-align: center;
}

@media (max-width: 768px) {
    .site-header-content {
        flex-direction: column;
    }

    .site-nav {
        justify-content: center;
    }
}