/*
   ==============================================
   AiQue | Waitlist Page Styles
   ==============================================
*/

/* --- Back Link --- */
.back-link {
    color: var(--c-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--c-border);
}

.back-link:hover,
.back-link:focus {
    color: var(--c-accent);
    border-color: var(--c-accent);
}

/* --- Waitlist Hero --- */
.waitlist-hero {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.waitlist-hero .hero-content {
    max-width: 600px;
    margin: 0 auto;
}

.waitlist-hero .headline {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--c-text-primary) 0%, var(--c-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.waitlist-hero .hero-description {
    font-size: 1.1rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

/* --- Form Section --- */
.waitlist-form-section {
    padding: var(--spacing-2xl) 0;
    max-width: 800px;
    margin: 0 auto;
}

.advanced-waitlist-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

/* --- Form Sections --- */
.form-section {
    background-color: var(--c-surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    border: 1px solid var(--c-border);
}

.form-section h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--c-text-primary);
}

.section-description {
    color: var(--c-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* --- Form Groups --- */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    color: var(--c-text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.form-group input[type="email"],
.form-group input[type="text"] {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 2px solid var(--c-border);
    background-color: var(--c-surface-light);
    color: var(--c-text-primary);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
    min-height: 44px;
}

.form-group input[type="email"]:focus,
.form-group input[type="text"]:focus {
    border-color: var(--c-focus);
    box-shadow: 0 0 15px 0 rgba(96, 165, 250, 0.2);
}

/* Removed automatic validation styling to keep inputs consistent */

/* --- Checkbox Grid --- */
.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 2px solid var(--c-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
    background-color: var(--c-surface-light);
}

.checkbox-item:hover {
    border-color: var(--c-accent);
    background-color: rgba(168, 85, 247, 0.05);
}

.checkbox-item:has(input:checked) {
    border-color: var(--c-accent);
    background-color: rgba(168, 85, 247, 0.1);
}

.checkbox-item:has(input:focus) {
    outline: 2px solid var(--c-focus);
    outline-offset: 2px;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--c-border);
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    transition: var(--transition-fast);
    margin-top: 2px;
}

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

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom {
    background-color: var(--c-accent);
    border-color: var(--c-accent);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-label {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.checkbox-label strong {
    color: var(--c-text-primary);
    font-weight: 600;
}

.checkbox-desc {
    color: var(--c-text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* --- Radio Group --- */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.radio-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 2px solid var(--c-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
    background-color: var(--c-surface-light);
}

.radio-item:hover {
    border-color: var(--c-accent);
    background-color: rgba(168, 85, 247, 0.05);
}

.radio-item:has(input:checked) {
    border-color: var(--c-accent);
    background-color: rgba(168, 85, 247, 0.1);
}

.radio-item:has(input:focus) {
    outline: 2px solid var(--c-focus);
    outline-offset: 2px;
}

.radio-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--c-border);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
    transition: var(--transition-fast);
    margin-top: 2px;
}

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

.radio-item input[type="radio"]:checked + .radio-custom {
    border-color: var(--c-accent);
}

.radio-item input[type="radio"]:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: var(--c-accent);
    border-radius: 50%;
}

.radio-label {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.radio-label strong {
    color: var(--c-text-primary);
    font-weight: 600;
}

.radio-desc {
    color: var(--c-text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* --- Submit Button --- */
.submit-btn {
    background-color: var(--c-accent);
    color: var(--c-text-primary);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    min-height: 52px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.submit-btn:hover:not(:disabled) {
    background-color: var(--c-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.3);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.submit-btn.loading {
    position: relative;
    pointer-events: none;
}

.btn-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.submit-btn.loading .btn-spinner {
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- Error Messages --- */
.error-message {
    color: var(--c-error);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 1.2rem;
}

/* --- Form Message --- */
#form-message {
    margin-top: var(--spacing-xl);
    min-height: 24px;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

#form-message.success {
    color: var(--c-success);
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

#form-message.error {
    color: var(--c-error);
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* --- Responsive Design --- */
@media (min-width: 36rem) {
    .checkbox-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 48rem) {
    .header-content {
        justify-content: space-between;
    }
    
    .waitlist-hero {
        padding: var(--spacing-3xl) 0;
    }
    
    .form-section {
        padding: var(--spacing-2xl);
    }
}

@media (min-width: 62rem) {
    .checkbox-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    
    .waitlist-form-section {
        padding: var(--spacing-3xl) 0;
    }
}