Radio Buttons e Checkboxes Modernos

HTML

<link href="" rel="stylesheet">
    <link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-icons/1.11.1/font/bootstrap-icons.min.css" rel="stylesheet">

    <div class="container py-5">
        <div class="row justify-content-center">
            <div class="col-lg-8">
                <div class="form-container p-4">
                    <h1 class="section-title">
                        <i class="bi bi-ui-checks-grid"></i> Formulário Moderno
                    </h1>

                    <form>
                        <!-- Radio Buttons Section -->
                        <div class="form-section">
                            <h3 class="h4 mb-4 text-primary fw-bold">
                                <i class="bi bi-radioactive"></i> Escolha seu Plano
                            </h3>
                            
                            <div class="custom-radio">
                                <input type="radio" id="plan1" name="plan" value="basic">
                                <label for="plan1" class="custom-label">
                                    <div class="custom-indicator radio-indicator">
                                        <i class="bi bi-circle-fill"></i>
                                    </div>
                                    <div class="label-content">
                                        <div class="label-title">Plano Básico</div>
                                        <p class="label-description">Ideal para iniciantes - R$ 29,90/mês</p>
                                    </div>
                                    <i class="bi bi-star label-icon"></i>
                                </label>
                            </div>

                            <div class="custom-radio">
                                <input type="radio" id="plan2" name="plan" value="pro">
                                <label for="plan2" class="custom-label">
                                    <div...

CSS

body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        .form-container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .custom-radio,
        .custom-checkbox {
            position: relative;
            margin-bottom: 1rem;
        }

        .custom-radio input[type="radio"],
        .custom-checkbox input[type="checkbox"] {
            position: absolute;
            opacity: 0;
            cursor: pointer;
        }

        .custom-label {
            display: flex;
            align-items: center;
            padding: 15px 20px;
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .custom-label:hover {
            background: #e3f2fd;
            border-color: #2196f3;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(33, 150, 243, 0.15);
        }

        .custom-radio input[type="radio"]:checked + .custom-label,
        .custom-checkbox input[type="checkbox"]:checked + .custom-label {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-color: #667eea;
            color: white;
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
        }

        .custom-indicator {
            width: 24px;
            height: 24px;
            border: 2px solid #dee2e6;
            margin-right: 15px;
            position: relative;
            transition: all 0.3s ease;
     ...

JavaScript

// Adicionar interatividade extra
        document.addEventListener('DOMContentLoaded', function() {
            // Animação ao selecionar radio buttons
            const radioInputs = document.querySelectorAll('input[type="radio"]');
            radioInputs.forEach(input => {
                input.addEventListener('change', function() {
                    // Remove active class de todos os radio buttons do mesmo grupo
                    const name = this.name;
                    document.querySelectorAll(`input[name="${name}"]`).forEach(radio => {
                        radio.closest('.custom-radio').classList.remove('active');
                    });
                    // Adiciona active class ao selecionado
                    this.closest('.custom-radio').classList.add('active');
                });
            });

            // Animação ao selecionar checkboxes
            const checkboxInputs = document.querySelectorAll('input[type="checkbox"]');
            checkboxInputs.forEach(input => {
                input.addEventListener('change', function() {
                    if (this.checked) {
                        this.closest('.custom-checkbox, .switch-container').classList.add('active');
                    } else {
                        this.closest('.custom-checkbox, .switch-container').classList.remove('active');
                    }
                });
            });

            // Feedback visual no submit
            const form = document.querySelector('form');
            form.addEventListener('submit', function(e) {
                e.preventDefault();
                
                const button = this.querySelector('.btn-submit');
                const originalText = button.innerHTML;
                
                button.innerHTML = '<i class="bi bi-check-circle-fill me-2"></i>Processando...';
                button.disabled = true;
                
                setTimeout(() => {
      ...