html {
            scroll-behavior: smooth;
        }

        :root {
            --via-dark-navy: #0f172a;    
            --via-medium-navy: #1e293b;  
            --via-blue-brand: #1e3a8a;   
            --via-cyan-accent: #0ea5e9;  
            --text-light: #f8fafc;
            --text-muted-light: #94a3b8;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: #334155;
            background-color: #ffffff;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, .font-heading {
            font-family: 'Montserrat', sans-serif;
        }

        /* Navbar Customizada */
        .navbar {
            background-color: var(--via-dark-navy);
            border-bottom: 1px solid #1e293b;
            padding: 15px 0;
        }

        .navbar-brand img {
            max-height: 50px;
            filter: brightness(0) invert(1); 
        }

        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            margin: 0 10px;
        }

        .nav-link:hover {
            color: var(--via-cyan-accent) !important;
        }

        /* Seção Hero Premium Dark */
        .hero {
            background: linear-gradient(180deg, var(--via-dark-navy) 0%, #111827 100%);
            padding: 120px 0 100px;
            color: var(--text-light);
        }

        .hero-title {
            font-size: 3rem;
            line-height: 1.25;
        }

        .text-cyan {
            color: var(--via-cyan-accent);
        }

        /* Botões */
        .btn-via {
            background-color: var(--via-cyan-accent);
            color: var(--via-dark-navy);
            font-weight: 600;
            padding: 14px 30px;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: none;
        }

        .btn-via:hover {
            background-color: #38bdf8;
            color: var(--via-dark-navy);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(14, 165, 233, 0.25);
        }

        .btn-outline-via {
            border: 2px solid var(--via-cyan-accent);
            color: var(--via-cyan-accent);
            font-weight: 600;
            border-radius: 8px;
            padding: 12px 26px;
            background: transparent;
            transition: all 0.3s ease;
        }

        .btn-outline-via:hover {
            background-color: var(--via-cyan-accent);
            color: var(--via-dark-navy);
        }

        /* Grid de Cards de Serviços */
        .card-service {
            border: 1px solid #e2e8f0;
            border-radius: 12px;
            background: #ffffff;
            transition: all 0.3s ease;
            position: relative;
        }

        .card-service:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 30px rgba(15, 23, 42, 0.08) !important;
            border-color: var(--via-blue-brand);
        }

        .service-tag {
            position: absolute;
            top: 20px;
            right: 20px;
            background-color: #f0f7ff;
            color: var(--via-blue-brand);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            text-transform: uppercase;
        }

        .icon-box {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--via-dark-navy) 0%, var(--via-blue-brand) 100%);
            color: var(--via-cyan-accent);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 25px;
        }

        /* Seção Vantagens com Fundo Dark Navy */
        .bg-navy-section {
            background-color: var(--via-dark-navy);
            color: var(--text-light);
        }

        /* Formulários Customizados */
        .form-control, .form-select {
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid #cbd5e1;
        }

        .form-control:focus, .form-select:focus {
            border-color: var(--via-blue-brand);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
        }

        #backToTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 45px;
            height: 45px;
            background-color: var(--via-cyan-accent);
            color: var(--via-dark-navy);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
        }

        #backToTop.active {
            opacity: 1;
            visibility: visible;
        }
		
        /* Customizações extras para o Footer */
        .nav-link-footer {
            color: var(--text-muted-light) !important;
            transition: color 0.2s ease-in-out;
        }
        .nav-link-footer:hover {
            color: var(--via-cyan-accent) !important;
        }
        .social-icon-footer {
            color: var(--text-muted-light);
            transition: transform 0.2s ease, color 0.2s ease;
        }
        .social-icon-footer:hover {
            color: var(--via-cyan-accent);
            transform: translateY(-2px);
        }

        /* Estilização do Botão Flutuante do WhatsApp */
        .whatsapp {
            position: fixed;
            bottom: 30px;
            left: 30px; 
            width: 60px;
            height: 60px;
            background-color: #25d366;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            text-decoration: none;
            z-index: 999;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .whatsapp:hover {
            color: #fff;
            transform: scale(1.08);
            box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
        }