/* 1. LAYOUT & COLORS */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f0f2f5;
}

/* 2. NAVIGATION BAR */
.navbar {
    background-color: #1a237e;
    color: white;
    padding: 0 10%;
    overflow: hidden;
}

.navbar .brand {
    float: left;
    font-size: 24px;
    font-weight: bold;
    padding: 15px 0;
}

.nav-links {
    float: right;
    list-style: none;
    margin: 0;
}

.nav-links li {
    display: inline-block;
}

.nav-links a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 20px 15px;
}

.nav-links a:hover { background-color: #283593; }

/* 3. HEADER WITH BACKGROUND IMAGE */
.header-section {
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('images/header-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 10%;
    text-align: center;
}

/* 4. SPLIT CONTAINER BOXES */
.main-wrapper {
    width: 90%;
    max-width: 1200px;
    margin: 40px auto;
    display: flex;
    flex-wrap: wrap; /* Allows wrapping on small screens */
    gap: 20px;
}

.column {
    flex: 1; /* Splits the width in half */
    min-width: 660px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.column-half {
    flex: 1; /* Splits the width in half */
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.content-box {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-top: 5px solid #1a237e;
}

h2 { color: #1a237e; margin-top: 0; }

/* 5. FOOTER */
.footer {
    text-align: center;
    padding: 40px;
    color: #666;
}

.navbar::after { content: ""; clear: both; display: table; }