body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f4f6f8;
    color: #222;
}
header {
    background: #2d3e50;
    color: #fff;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
header h1 {
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: 1px;
}
nav.topnav a {
    color: #fff;
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
}
.container {
    display: flex;
    min-height: 90vh;
}
aside {
    width: 220px;
    background: #fff;
    border-right: 1px solid #e0e0e0;
    padding: 2rem 1rem;
}
aside nav {
    display: flex;
    flex-direction: column;
}
aside nav a {
    color: #2d3e50;
    text-decoration: none;
    padding: 0.7rem 1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    transition: background 0.2s;
}
aside nav a:hover, aside nav a.active {
    background: #e0e7ef;
}
main {
    flex: 1;
    padding: 2rem 3rem;
}
.sidebar-menu,
.sidebar-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-menu > li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: block;
    color: #2d3e50;
    text-decoration: none;
    padding: 0.7rem 1rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.sidebar-menu a.active,
.sidebar-menu a:hover {
    background: #e0e7ef;
}

.submenu {
    display: none;
    margin-left: 1rem;
    border-left: 2px solid #e0e0e0;
}

.sidebar-menu li.open > .submenu {
    display: block;
}
.contact_info {
	background: #fff; 
	border-radius: 8px; 
	padding: 24px; 
	box-shadow: 0 2px 8px rgba(44, 62, 80, 0.08); 
	max-width: 500px;
}

/* Additional styling for the beta message box */
.beta-message {
	background: #fff;
	border-radius: 10px;
	box-shadow: 0 2px 12px rgba(44, 62, 80, 0.08);
	padding: 2.5rem 3rem;
	text-align: center;
	max-width: 400px;
	margin: 6rem auto 0 auto;
}
.beta-message h1 {
	margin-top: 0;
	color: #e67e22;
	font-size: 2rem;
	letter-spacing: 1px;
}
.beta-message p {
	font-size: 1.15rem;
	margin-bottom: 0;
	color: #2d3e50;
}

@media (max-width: 800px) {
    .container {
        flex-direction: column;
    }
    aside {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
        padding: 1rem;
    }
    main {
        padding: 1rem;
    }          
	.beta-message {
		padding: 1.5rem 1rem;
		max-width: 95vw;
	}
}