:root {
    --primary: #F58220; /* Laranja N2 */
    --primary-hover: #D66D18;
    --bg-color: #0A0A0A;
    --container-bg: #141414;
    --text-main: #FFFFFF;
    --text-muted: #A3A3A3;
    --border-color: #2D2D2D;
    --input-bg: #1A1A1A;
    --error: #FF4D4D;
    --success: #00CC66;
    --radius: 12px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 20px;
    position: relative;
    overflow-x: hidden;
}

/* Efeitos de Fundo (Glass/Glow) */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 130, 32, 0.15) 0%, rgba(245, 130, 32, 0) 70%);
    filter: blur(60px);
}

.glow-1 {
    top: -200px;
    left: -200px;
}

.glow-2 {
    bottom: -200px;
    right: -200px;
}

/* Container Principal */
.container {
    width: 100%;
    max-width: 800px;
    background-color: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    z-index: 1;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
}

/* Logo Setup */
.logo {
    max-height: 60px;
    margin-bottom: 20px;
    object-fit: contain;
}

.logo-fallback h1 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 15px;
    color: var(--text-main);
}
.logo-fallback span {
    color: var(--primary);
}
.logo-fallback small {
    display: block;
    font-size: 14px;
    letter-spacing: 4px;
    font-weight: 600;
    color: var(--text-main);
    margin-top: -5px;
}

.header h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.header p {
    color: var(--text-muted);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto;
}

/* Progress Bar */
.progress-container {
    margin-bottom: 40px;
}

.progress-bar {
    height: 6px;
    background-color: var(--border-color);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), #FFB067);
    border-radius: 10px;
    transition: width 0.4s ease-in-out;
    box-shadow: 0 0 10px rgba(245, 130, 32, 0.5);
}

.progress-text {
    margin-top: 10px;
    text-align: right;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Formulário */
.form-step {
    display: none;
    animation: fadeIn 0.4s ease-in-out;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

h3 {
    font-size: 22px;
    margin-bottom: 25px;
    font-weight: 600;
    color: var(--primary);
}

.section-divider {
    font-size: 18px;
    font-weight: 600;
    margin: 30px 0 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

/* Inputs e Labels */
.input-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
textarea {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 14px 16px;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    transition: all 0.2s ease;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: #555;
}

/* Custom Radios and Checkboxes */
.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.radio-group label,
.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
    min-width: 120px;
    color: var(--text-main);
    margin: 0;
}

.checkbox-group {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    display: grid;
}

.radio-group label:hover,
.checkbox-group label:hover {
    border-color: rgba(245, 130, 32, 0.5);
}

.radio-group input,
.checkbox-group input {
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
}

/* Alert Box */
.materials-alert {
    background-color: rgba(245, 130, 32, 0.1);
    border-left: 4px solid var(--primary);
    padding: 15px 20px;
    border-radius: 4px var(--radius) var(--radius) 4px;
    margin-bottom: 25px;
    font-size: 14px;
    color: #E0E0E0;
}

/* Buttons */
.form-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

button {
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary,
.btn-submit {
    background-color: var(--primary);
    color: #000;
    margin-left: auto;
}

.btn-primary:hover,
.btn-submit:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 130, 32, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: #666;
}

/* Form Invalid State (Basic validation UI) */
input:invalid.touched,
textarea:invalid.touched {
    border-color: var(--error);
}

/* Modal Sucesso */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    z-index: 100;
    justify-content: center;
    align-items: center;
}
.modal.show {
    display: flex;
}
.modal-content {
    background-color: var(--container-bg);
    padding: 50px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    border: 1px solid var(--border-color);
}
.success-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(0, 204, 102, 0.1);
    color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin: 0 auto 20px;
}
.modal h2 { margin-bottom: 15px; }

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
        border-radius: 12px;
    }
    
    .input-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    .header h2 {
        font-size: 24px;
    }
}