 :root {
            --vima-primary: #005A9C;
            --vima-secondary: #64B5F6;
            --vima-bg: #FFFFFF;
            --vima-text-main: #1F1F1F;
            --vima-text-sec: #666666;
            --vima-accent: #FF6B35;
        }
        body {
            color: var(--vima-text-sec);
            background: #fff;
            min-height: 100vh;
        }
        .navbar {
            background: var(--vima-primary);
        }
        .navbar-brand, .nav-link, .navbar-toggler {
            color: #fff !important;
        }
        .navbar-brand img {
            height: 40px;
            margin-right: 10px;
        }
        h1, h2, h3 {
            color: var(--vima-text-main);
        }
        .footer {
            background: var(--vima-primary);
            color: #fff;
            padding: 1rem 0;
            margin-top: 2rem;
        }
        .credit {
            font-size: 0.95rem;
            color: #bbb;
        }
        .whatsapp-float {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 999;
            background: #25d366;
            color: #fff;
            border-radius: 50%;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
            transition: background 0.2s;
            text-decoration: none;
        }
        .whatsapp-float:hover {
            background: #FF6B35;
            color: #fff;
        }
    