/* ============================================
   SIMPLES NACIONAL - CSS Responsivo e Animações
   ============================================ */

/* ===== ANIMAÇÕES ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* ===== INPUT TRANSITIONS ===== */
.form-group input,
.form-group select {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus {
    border-color: var(--blue-warm-vivid-60);
    box-shadow: 0 0 0 3px var(--blue-warm-vivid-5);
}

.form-group input.error {
    border-color: var(--vermelho);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.form-group input.success {
    border-color: var(--verde-principal);
    box-shadow: 0 0 0 3px rgba(0, 151, 57, 0.1);
}

/* ===== LOADING SPINNER ===== */
.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--gray-20);
    border-top: 3px solid var(--verde-principal);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ===== BREAKPOINTS ===== */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .header-search-box {
        width: 260px;
    }
}

@media (max-width: 768px) {
    .header-top {
        padding: 6px 16px 2px;
    }

    .header-top-left .header-logo-link img {
        height: 28px;
    }

    .header-bottom {
        padding: 2px 16px 8px;
    }

    .header-search-box {
        width: 200px;
    }

    .banner-area {
        flex-direction: column;
        align-items: center;
    }
    
    .banner-link {
        max-width: 100%;
    }
    
    .servicos-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .service-card {
        width: 100%;
        max-width: 400px;
    }
    
    .noticias-lista {
        flex-direction: column;
    }
    
    .noticia-item {
        max-width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cards-apoio {
        gap: 12px;
    }
    
    .card-apoio {
        width: 140px;
        padding: 16px 12px;
    }
    
    .dte-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .dte-card {
        width: 100%;
        max-width: 400px;
    }
    
    .form-card {
        padding: 20px;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header-top {
        padding: 4px 12px 2px;
    }

    .header-top-left .header-logo-link img {
        height: 24px;
    }

    .header-bottom {
        padding: 2px 12px 6px;
    }

    .header-search-box {
        width: 160px;
    }

    .header-search-box .search-input {
        font-size: 0.75rem;
        padding: 6px 8px;
    }

    .header-site-name {
        font-size: 0.85rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}