body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
    margin: 0;
    color: #1a1a1a;
}

header {
    background: #0a2540;
    color: white;
    padding: 20px 40px;
    position: sticky;
    top: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
}

nav {
    display: flex;
    align-items: center;
}

nav a {
    margin-left: 20px;
    color: white;
    text-decoration: none;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: white;
    color: black;
    top: 30px;
    min-width: 200px;
    box-shadow: 0px 5px 15px rgba(0,0,0,0.1);
}

.dropdown-content a {
    display: block;
    padding: 10px;
    color: black;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Hero */
.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    color: white;
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    background: rgba(10, 37, 64, 0.7);
    padding: 60px;
    width: 100%;
}

/* Layout */
.container {
    max-width: 1100px;
    margin: auto;
}

.section {
    padding: 60px 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    padding: 25px;
    border: 1px solid #eee;
    border-radius: 10px;
    background: white;
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.split img {
    width: 100%;
    border-radius: 10px;
}

/* Buttons */
.btn {
    background: #0a2540;
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    margin-top: 10px;
}

.btn-secondary {
    background: transparent;
    border: 1px solid white;
}

/* Footer */
footer {
    background: #0a2540;
    color: white;
    text-align: center;
    padding: 30px;
    margin-top: 40px;
}