.gradient-bg {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}
.hero-pattern {
    background-color: #0f172a;
    background-image: radial-gradient(#1e293b 0.5px, transparent 0.5px);
    background-size: 24px 24px;
}
.lang-btn {
    min-width: 2.25rem;
}
.lang-btn.is-active {
    background-color: #2563eb;
    color: #fff;
}