/* GEOINFO - Shared base styles (used by every page) */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
}

/* --- HEADER / NAVIGATION --- */
header {
    background-color: #c8ebfe;
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 15px;
}

.nav-links a {
    color: #003366;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background 0.3s;
}

.nav-links a:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.nav-links a.active {
    background-color: rgba(255, 255, 255, 0.7);
    font-weight: 700;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: #003366;
}

/* --- LAYOUT --- */
.container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

h2 {
    color: #003366;
    border-bottom: 2px solid #c8ebfe;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* --- FOOTER --- */
footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
}

/* --- RESPONSIVE NAV --- */
@media (max-width: 900px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: #c8ebfe;
        padding: 20px;
        box-shadow: 0 5px 5px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }
}