/* Banner de anuncios */

.announcement-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: 200% 100%;
    color: #fff;
    text-align: center;
    padding: 12px 16px;
    font-weight: bold;
    font-size: 16px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.announcement-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    animation: banner-shine 4s infinite;
}

@keyframes banner-shine {
    0% { left: -100%; }
    100% { left: 200%; }
}

.announcement-banner h4 {
    font-size: 1.3rem;
    margin: 0;
}

.announcement-banner h4.subtitulo {
    font-size: 1.1rem;
}

.announcement-banner a {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(255, 255, 255, 0.6);
    transition: text-decoration-color 0.2s;
}

.announcement-banner a:hover {
    color: #fff;
    text-decoration-color: #fff;
}

.announcement-banner p {
    margin-bottom: 0 !important;
}

@media (max-width: 768px) {
    .announcement-banner {
        font-size: 14px;
        padding: 8px 12px;
    }

    .announcement-banner h4 {
        font-size: 1.1rem;
    }

    .announcement-banner h4.subtitulo {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .announcement-banner {
        font-size: 12px;
        padding: 6px 10px;
    }
}