:root {
    --primary: #00DBFF;
    --primary-dark: #00B1CC;
    --accent: #00FBFF;
    --accent-dark: #00CAD4;
    --chart-3: #00DBFF;
    --background: #000000;
    --foreground: #FFFFFF;
    --card: #0a0a0a;
    --muted-foreground: #A1A1AA;
    --border: #1a1a1a;
    --success: #10B981;
    --error: #EF4444;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bg {
    background: linear-gradient(135deg, var(--primary), var(--accent));
}

/* Header */
.header {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}

.header-content {
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tagline {
    color: var(--muted-foreground);
    font-size: 1.125rem;
}

.poc-logo {
    max-width: 280px;
    height: auto;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 8px rgba(0, 219, 255, 0.2));
}

/* Main Content */
.main-content {
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

/* Progress Bar */
.progress-container {
    margin-bottom: 3rem;
}

.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.step-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--card);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--muted-foreground);
    transition: all 0.3s ease;
}

.progress-step.active .step-circle {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: transparent;
    color: #000;
}

.progress-step.completed .step-circle {
    background-color: var(--success);
    border-color: var(--success);
    color: white;
}

.step-label {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.progress-step.active .step-label {
    color: var(--foreground);
    font-weight: 600;
}

.progress-line {
    width: 100px;
    height: 2px;
    background-color: var(--border);
    margin: 0 1rem;
}

@media (max-width: 640px) {
    .progress-line {
        width: 50px;
    }

    .step-circle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .step-label {
        font-size: 0.75rem;
    }
}

/* Form Card */
.form-card {
    background-color: var(--card);
    border-radius: 1rem;
    padding: 2.5rem;
    border: 1px solid var(--border);
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .form-card {
        padding: 1.5rem;
    }
}

.form-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.form-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-subtitle {
    color: var(--muted-foreground);
    font-size: 1rem;
}

/* Form Steps */
.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.section-title {
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border);
}

.section-title h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--foreground);
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--foreground);
    font-size: 0.875rem;
}

.form-group input,
.form-group select {
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    background-color: var(--background);
    color: var(--foreground);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 219, 255, 0.2);
}

.form-group input::placeholder {
    color: var(--muted-foreground);
}

/* Terms Container */
.terms-container {
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    max-height: 500px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    line-height: 1.8;
}

.terms-container::-webkit-scrollbar {
    width: 8px;
}

.terms-container::-webkit-scrollbar-track {
    background: var(--card);
    border-radius: 4px;
}

.terms-container::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

.terms-container h4 {
    color: var(--primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.terms-container p {
    margin-bottom: 1rem;
    color: var(--muted-foreground);
}

.terms-container strong {
    color: var(--foreground);
}

.terms-highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Checkbox Group */
.checkbox-group {
    margin-bottom: 2rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 0.75rem;
    margin-top: 0.25rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
}

.checkbox-label span {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Captcha Container */
.captcha-container {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

@media (max-width: 640px) {
    .form-actions {
        flex-direction: column;
    }
}

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 219, 255, 0.3);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

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

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Error Messages */
.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
}

.form-group.error input,
.form-group.error select {
    border-color: var(--error);
}

.form-group.error .error-message {
    display: block;
}