body {
    font-family: Poppins, Arial, Helvetica, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Navbar */
.navbar-brand img {
    height: 32px;
    width: auto;
}

/* Active nav link: white underline on desktop */
@media (min-width: 992px) {
    .navbar-dark .nav-link.active {
        position: relative;
    }
    .navbar-dark .nav-link.active::after {
        content: '';
        position: absolute;
        left: .5rem;
        right: .5rem;
        bottom: 0;
        height: 2px;
        background-color: #fff;
        border-radius: 1px;
    }
}

/* WCAG focus-visible */
.navbar-dark .nav-link:focus-visible,
.navbar-dark .navbar-toggler:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Flag icons in language dropdown */
.flag-icon {
    vertical-align: baseline;
    margin-right: .35rem;
    border-radius: 2px;
    object-fit: cover;
}

/* Smooth collapse transition */
.navbar-collapse.collapsing {
    transition: height 0.3s ease;
}