.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 60px;
    background: #003e57;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.2rem;
    z-index: 1000;
}

.navbar a {
    color: white;
    text-decoration: none;
    padding: 0.6rem 1rem;
    font-size: 1.05rem;
}

/* DESKTOP LINKS */
.nav-links {
    display: flex;
    gap: 0.5rem;
}

/* MOBILE HAMBURGER */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 3px;
    background: white;
    border-radius: 2px;
}

/* MOBILE MENU */
@media (max-width: 750px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0; right: 0;
        background: #003e57;
        flex-direction: column;
        padding: 1rem;
    }

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

    .hamburger {
        display: flex;
    }
}

/* THEME TOGGLE BUTTON */
.theme-btn {
    padding: 0.45rem 0.8rem;
    background: var(--card-bg);
    color: var(--text);
    border: none;
    border-radius: 6px;
    cursor: pointer;
}