:root {
    --primary-color: #2563eb;
    --secondary-color: #f0f9ff;
    --accent-color: #f59e0b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn-primary:hover {
    opacity: 0.9;
}

.banner-slide {
    opacity: 0;
    transition: opacity 1s;
    position: absolute;
    inset: 0;
}

.banner-slide.active {
    opacity: 1;
}

@media (min-width: 768px) {
    .btn-primary {
        padding: 0.75rem 1.5rem;
    }
}