html,
        body {
            margin: 0;
            font-family: 'Segoe UI', sans-serif;
            background: linear-gradient(rgba(0, 40, 30, 0.75), rgba(0, 40, 30, 0.75)),
                url('../images/slider-rs_2.webp') no-repeat center center/cover;
            color: white;
            position: relative;
        }

        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 20px;
        }

        .hero-content {
            max-width: 850px;
            padding: 30px;
            border-radius: 15px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .service-card {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            padding: 25px;
            border-radius: 14px;
            text-decoration: none;
            color: white;
            font-weight: 500;
            transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .service-card:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-8px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }

        .service-card i {
            font-size: 2.8rem;
            margin-bottom: 12px;
        }

        h1 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            margin-bottom: 10px;
        }

        .lead {
            font-size: clamp(1rem, 2vw, 1.3rem);
            margin-bottom: 30px;
        }

        footer {
            text-align: center;
            padding: 15px;
            font-size: 0.9rem;
            background: rgba(0, 0, 0, 0.3);
            color: #ddd;
        }

        /* --- Floating Social Media CSS --- */
        .floating-social-media {
            position: fixed;
            top: 50%;
            right: 15px;
            transform: translateY(-50%);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .social-link {
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            text-decoration: none;
            color: white;
            font-size: 1.5rem;
            transition: background 0.3s, transform 0.3s;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }

        .social-link:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
        }

        .social-link.whatsapp:hover { background-color: #25D366; }
        .social-link.facebook:hover { background-color: #3b5998; }
        .social-link.instagram:hover { background-color: #E1306C; }

        @media(max-width: 576px) {
            .service-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }

            .service-card {
                padding: 18px;
            }

            .service-card i {
                font-size: 2.3rem;
            }

            .floating-social-media {
                right: 10px;
                gap: 10px;
            }

            .social-link {
                width: 45px;
                height: 45px;
                font-size: 1.3rem;
            }
        }