        /* --- VARIÁVEIS E RESET --- */
        :root {
            --orange: #fc5404;
            --orange-hover: #e04800;
            --gray-light: #a5a5ab;
            --gray-med: #54545c;
            --gray-dark: #2a2a30;
            --gold: #a89c4c;
            --white: #ffffff;
            --off-white: #f9f9f9;
            --black: #000000;
            --shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }

        html, body {
            overflow-x: hidden;
        }

        body {
            background-color: var(--white);
            color: var(--gray-dark);
        }

        /* --- FORMULÁRIO DE CADASTRO --- */
        .cadastro-section {
            background: linear-gradient(135deg, var(--gray-dark) 0%, #1a1a1e 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 100px 0;
        }

        .cadastro-section::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 50%;
            height: 50%;
            background: radial-gradient(circle, rgba(252,84,4,0.15) 0%, rgba(0,0,0,0) 70%);
            z-index: 0;
        }

        .cadastro-container {
            max-width: 600px;
            margin: 0 auto;
            padding: 40px;
            background-color: rgba(42, 42, 48, 0.9);
            border-radius: 16px;
            box-shadow: var(--shadow);
            position: relative;
            z-index: 1;
            animation: fadeInUp 0.8s ease-out;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .cadastro-title {
            font-size: 2.2rem;
            color: var(--white);
            margin-bottom: 30px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-label {
            display: block;
            color: var(--white);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-input {
            width: 100%;
            padding: 15px 20px;
            border-radius: 8px;
            border: 1px solid var(--gray-med);
            background-color: var(--gray-dark);
            color: var(--white);
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--orange);
            box-shadow: 0 0 0 2px rgba(252, 84, 4, 0.2);
        }

        .form-select {
            width: 100%;
            padding: 15px 20px;
            border-radius: 8px;
            border: 1px solid var(--gray-med);
            background-color: var(--gray-dark);
            color: var(--white);
            font-size: 1rem;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23a5a5ab' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 15px center;
            background-size: 12px;
        }

        .form-select:focus {
            outline: none;
            border-color: var(--orange);
            box-shadow: 0 0 0 2px rgba(252, 84, 4, 0.2);
        }

        .btn-submit {
            background-color: var(--orange);
            color: var(--white);
            padding: 18px 32px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 8px;
            display: block;
            width: 100%;
            border: none;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-top: 30px;
        }

        .btn-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(252, 84, 4, 0.3);
            background-color: var(--orange-hover);
        }

        .investment-note {
            color: var(--gray-light);
            font-size: 0.85rem;
            margin-top: 5px;
            display: block;
        }

        .error-message {
            color: #ff6b6b;
            font-size: 0.85rem;
            margin-top: 5px;
            display: none;
        }

        /* Página de sucesso */
        .success-container {
            text-align: center;
            color: var(--white);
            display: none;
        }

        .success-icon {
            width: 100px;
            height: 100px;
            margin: 0 auto 20px;
            background-color: var(--orange);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--off-white);
        }

        .success-title {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .success-message {
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .app-image {
            max-width: 300px;
            margin: 0 auto 30px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }

        .download-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 30px;
        }

        .download-btn {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            background-color: var(--gray-dark);
            color: var(--white);
            border-radius: 8px;
            text-decoration: none;
            transition: transform 0.3s ease, background-color 0.3s;
            border: 1px solid var(--gray-med);
        }

        .download-btn:hover {
            transform: translateY(-3px);
            background-color: var(--gray-med);
        }

        .download-btn img {
            height: 40px;
        }

        .phone-options {
            display: flex;
            gap: 10px;
            margin-bottom: 10px;
        }

        .phone-option-btn {
            padding: 8px 15px;
            background-color: var(--gray-med);
            color: var(--white);
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .phone-option-btn.active {
            background-color: var(--orange);
        }
    