        body {
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(-45deg, #ff8a00, #e52e71, #9c27b0, #673ab7);
            background-size: 400% 400%;
            animation: gradientMove 14s ease infinite;
            overflow-x: hidden;
            color: #fff;
        }

        @keyframes gradientMove {
            0% {
                background-position: 0% 50%;
            }

            50% {
                background-position: 100% 50%;
            }

            100% {
                background-position: 0% 50%;
            }
        }

        .register-card {
            backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
            padding: 2rem;
            animation: fadeIn 1s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(25px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .form-label {
            color: #fff;
        }

        .input-group .form-control {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: #fff;
        }

        .input-group-text {
            background: rgba(255, 255, 255, 0.15);
            border: none;
            color: #fff;
        }

        .form-control::placeholder {
            color: #eee;
        }

        .btn-primary {
            background: linear-gradient(90deg, #ff8a00, #e52e71);
            border: none;
            font-weight: 600;
            font-size: 18px;
            padding: 12px 0;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(229, 46, 113, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(229, 46, 113, 0.6);
        }

        .plan-card {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all .3s ease;
        }

        .plan-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
        }

        .plan-card.active {
            border: 2px solid #ffd68a;
            box-shadow: 0 0 25px rgba(255, 214, 138, 0.3);
        }

        .plan-card h4 {
            font-size: 22px;
            font-weight: 700;
        }

        .plan-price {
            font-size: 26px;
            font-weight: 700;
            color: #ffd68a;
        }

        .plan-features {
            list-style: none;
            padding: 0;
            margin: 10px 0 0;
        }

        .plan-features li {
            font-size: 15px;
            color: #eee;
            margin-bottom: 6px;
        }

        .plan-features i {
            color: #ffd68a;
            margin-right: 6px;
        }

        .plan-card {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all .3s ease;
            cursor: pointer;
            position: relative;
        }

        .plan-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
        }

        .plan-card.active {
            border: 2px solid #ffd68a;
            box-shadow: 0 0 25px rgba(255, 214, 138, 0.3);
        }

        .plan-card .checkmark {
            animation: fadeIn .4s ease;
        }

        /* ===== SOCIAL ICONS ===== */
        .btn-social {
            width: 54px;
            height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: #fff;
            font-size: 22px;
            transition: all 0.3s ease;
            filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
        }

        .btn-social:hover {
            transform: scale(1.1);
            filter: brightness(1.2);
        }

        .btn-social.bg-facebook {
            background: #1877f2;
        }

        .btn-social.bg-google {
            background: #ea4335;
        }

        .btn-social.bg-apple {
            background: #000;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: scale(0.8);
            }

            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        @media (max-width: 767px) {

            /* Nasconde la colonna piani nella visuale mobile */
            .col-lg-4 {
                display: none;
            }
        }

        