body {
            font-family: 'Poppins', sans-serif;
            background: #f5f7fa;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }
        .container {
            background: white;
            padding: 2rem 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            width: 360px;
            text-align: center;
        }
        h1 {
            color: #1e40af;
            margin-bottom: 1rem;
        }
        p {
            color: #374151;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }
        .contact-buttons {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .contact-buttons a {
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            padding: 0.6rem 0;
            border-radius: 8px;
            font-weight: 600;
            color: white;
            transition: transform 0.2s;
        }
        .contact-buttons a:hover {
            transform: scale(1.05);
        }
        .sms { background: #f59e0b; }
        .whatsapp { background: #25d366; }
        .instagram { background: #e1306c; }
        .phone { background: #1e40af; }

        .contact-buttons i {
            margin-right: 0.5rem;
        }