body {
    min-height: 100vh;
    background: #1f1f1f;
}

#navid {
    backdrop-filter: blur(8px);
}

.language-switcher .dropdown-toggle {
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 0.5rem;
    padding: 0.4rem 0.8rem;
    background: transparent;
    color: #fff;
}

.language-switcher .dropdown-toggle:hover,
.language-switcher .dropdown-toggle:focus {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.site-main {
    padding-top: 6rem;
    padding-bottom: 3rem;
}

.preface {
    max-width: 900px;
    margin-bottom: 2rem;
}

.card-group {
    margin-bottom: 2rem;
}

.card {
    height: 100%;
    border: 0;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.96);
    color: #212529;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.18);
}

.card-img-top {
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.contact-info {
    max-width: 900px;
}

.contact-info a {
    color: inherit;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}