        /* Estilos Inovadores com a paleta do SIGREF */
        :root {
            --sigref-blue-dark: #26326D;
            --sigref-blue-primary: #003366;
            --sigref-blue-light: #42a5f5;
            --sigref-accent-color: #E53935;
            --sigref-gold-accent: #ffab00;
            --sigref-bg-light: #f8f9fa;
            --sigref-text-dark: #212529;
            --sigref-text-muted: #6c757d;
            --border-radius-lg: 12px;
            --border-radius-md: 8px;
        }
        

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--sigref-bg-light);
            color: var(--sigref-text-dark);
        }

        /* Efeito de vidro fosco no Navbar */
        .navbar {
            background-color: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .navbar-brand img {
            max-width: 95px;
            height: auto;
        }

        .navbar .btn {
            margin-top: 1rem;
        }

        /* =================================================================== */
        /* =================== ESTILOS DO HERO SECTION ======================= */  
        /* =================================================================== */

        .hero-section {
            background: linear-gradient(135deg, var(--sigref-blue-dark) 0%, var(--sigref-blue-primary) 100%);
            color: white;
            padding: 6rem 0;
            position: relative;
        }

        .hero-section .display-3 {
            font-weight: 800;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }

        .hero-section .text-gold {
            color: var(--sigref-gold-accent);
        }

        .hero-image-wrapper {
            transition: transform 0.3s ease-in-out;
        }

        .hero-image-wrapper:hover {
            transform: scale(1.05);
        }
        
        /* BOTÕES DE HERO */

        .btn {
            border-radius: 0.5rem;
            transition: all 0.3s ease;
        }

        .btn-primary {
            background-color: var(--sigref-blue-primary);
            border-color: var(--sigref-blue-primary);
        }

        .btn-primary:hover {
            background-color: var(--sigref-blue-dark);
            border-color: var(--sigref-blue-dark);
            transform: translateY(-3px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }

        .btn-outline-gold {
            color: var(--sigref-gold-accent);
            border-color: var(--sigref-gold-accent);
        }

        .btn-outline-gold:hover {
            color: white;
            background-color: var(--sigref-gold-accent);
            border-color: var(--sigref-gold-accent);
        }
        
        /* =================================================================== */
        /* =================== ESTILOS DO RODAPÉ APRIMORADO ================== */
        /* =================================================================== */
        .footer-sigref {
            background-color: var(--sigref-blue-primary);
            color: #e0e0e0; /* Tom de branco mais suave */
            border-top: 4px solid var(--sigref-gold-accent);
        }

        .footer-sigref h5 {
            color: var(--sigref-gold-accent);
            letter-spacing: 0.5px;
        }
        
        .footer-sigref p {
            color: #ced4da; /* Cinza claro para parágrafos */
        }

        .footer-sigref a {
            color: #e0e0e0;
            text-decoration: none;
            position: relative;
            transition: color 0.3s ease-in-out;
        }

        .footer-sigref a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 1px;
            bottom: -2px;
            left: 0;
            background-color: var(--sigref-gold-accent);
            transition: width 0.3s ease-in-out;
        }

        .footer-sigref a:hover {
            color: var(--sigref-gold-accent);
        }
        
        .footer-sigref a:hover::after {
            width: 100%;
        }
        
        .footer-contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 0.75rem;
        }

        .footer-contact-item i {
            color: var(--sigref-gold-accent);
            font-size: 1.2rem;
            margin-right: 10px;
            width: 20px;
            text-align: center;
        }

        .footer-social-icon {
            color: #e0e0e0;
            transition: transform 0.3s ease-in-out, color 0.3s ease-in-out;
        }

        .footer-social-icon:hover {
            transform: translateY(-4px) scale(1.1);
            color: var(--sigref-gold-accent);
        }
        
        .footer-sigref .footer-social-icon a:hover::after {
            width: 0; /* Remove sublinhado do ícone social */
        }

        .footer-sigref .copyright-section {
            background-color: var(--sigref-blue-primary);
            color: #adb5bd; /* Tom mais suave para o copyright */
        }
        
        .developer-credit a {
            color: #ced4da;
            font-weight: 500;
        }
        
        .developer-credit a:hover {
            color: #fff;
        }
        
        .developer-credit a::after {
            background-color: #fff;
        }

        .logo-container {
            display: flex;
            justify-content: center;
            align-items: center;
            width: fit-content;       /* Ajusta a largura ao conteúdo + padding */
        }

        .sigref-logo-rounded {
            max-width: 180px; /* Largura máxima da imagem, reduzida para diminuir a logo */
            height: auto;     /* Mantém a proporção da imagem */
            display: block;   /* Garante que a imagem se comporte como bloco */
            margin: 0;        /* Remove qualquer margem padrão da imagem */
        }

        /* Opcional: ajustar o link para não ter fundo gradiente se ele envolver a imagem */
        .logo-container a {
            text-decoration: none; /* Remove sublinhado se for um link */
            background: none;      /* Garante que não haja gradiente de fundo no link */
        }
        


        /* =================================================================== */
        /* =================== ESTILOS DE RESPONSIVIDADE =================== */
        /* =================================================================== */

        @media (min-width: 768px) {
            .navbar .btn {
                margin-top: 0;
            }
        }

        @media (max-width: 991.98px) {
            .hero-section {
                padding: 6rem 0;
            }

            .hero-section .display-3 {
                font-size: 2.8rem;
            }

            .info-card,
            .feature-card {
                padding: 2rem;
            }
        }

        @media (max-width: 767.98px) {

            .navbar-brand {
                margin-right: 0;
                margin-bottom: 0.5rem;
                text-align: center;
            }

            .navbar-brand img {
                max-height: 60px;
            }

            .hero-section {
                padding: 4rem 0;
                text-align: center;
            }

            .hero-section .d-flex {
                justify-content: center !important;
            }

            .hero-section .display-3 {
                font-size: 2.2rem;
            }

            .hero-section .lead {
                font-size: 1rem;
            }

            .hero-image-wrapper {
                margin-top: 2rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .animated-counter {
                font-size: 2.8rem;
            }

            .info-card,
            .feature-card {
                padding: 1.5rem;
                text-align: center;
            }

            .info-card i,
            .feature-card i {
                font-size: 2.5rem;
            }
            
            /* Centraliza os itens de contato em telas pequenas */
            .footer-contact-item {
                justify-content: center;
            }

            .carousel-item img {
                height: 250px;
            }
        }

        /* Botão Voltar ao Topo */
        #btn-back-to-top {
            position: fixed;
            bottom: 20px;
            right: 20px;
            display: none;
            z-index: 99;
            border: none;
            background-color: var(--sigref-blue-primary);
            color: white;
            cursor: pointer;
            padding: 10px 15px;
            border-radius: 50%;
            transition: opacity 0.3s, transform 0.3s;
        }

        #btn-back-to-top:hover {
            background-color: var(--sigref-blue-dark);
            transform: scale(1.1);
        }

        @media (max-width: 575.98px) {
            .filter-btn-group {
                display: flex;
                flex-wrap: wrap;
                gap: 0.5rem;
            }

            .filter-btn-group .btn {
                flex-grow: 1;
            }
        }