/* ============================================
   COGNITIVE TEST INTRO PAGES - UNIFIED STYLESHEET
   Version: 1.0.0
   Job Tests Portal 2026
   ============================================ */

/* ============================================
   CSS VARIABLES - LIGHT MODE DEFAULT
   ============================================ */
:root {
    /* Primary Brand Colors */
    --cog-primary: #4f46e5;
    --cog-primary-hover: #4338ca;
    --cog-primary-light: #eef2ff;
    --cog-primary-dark: #3730a3;
    
    /* Secondary/Success Colors */
    --cog-secondary: #10b981;
    --cog-secondary-hover: #059669;
    --cog-secondary-light: #d1fae5;
    
    /* Accent Colors */
    --cog-accent: #f59e0b;
    --cog-accent-light: #fef3c7;
    
    /* Background Colors - Light Mode */
    --cog-bg-page: #f8fafc;
    --cog-bg-card: #ffffff;
    --cog-bg-section: #f1f5f9;
    --cog-bg-hover: #f8fafc;
    
    /* Text Colors - Light Mode */
    --cog-text-primary: #0f172a;
    --cog-text-secondary: #475569;
    --cog-text-muted: #94a3b8;
    --cog-text-inverse: #ffffff;
    
    /* Border Colors */
    --cog-border: #e2e8f0;
    --cog-border-hover: #cbd5e1;
    --cog-border-focus: #4f46e5;
    
    /* Category-Specific Colors */
    --cog-numerical: #3b82f6;
    --cog-verbal: #8b5cf6;
    --cog-inductive: #f97316;
    --cog-deductive: #14b8a6;
    --cog-spatial: #ec4899;
    --cog-critical: #84cc16;
    --cog-grid: #06b6d4;
    --cog-switch: #fbbf24;
    --cog-word-relations: #6366f1;
    --cog-personality: #a855f7;
    --cog-sjt: #f43f5e;
    --cog-mindgrid: #0ea5e9;
    
    /* Shadows */
    --cog-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --cog-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --cog-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --cog-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --cog-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --cog-radius-sm: 0.375rem;
    --cog-radius: 0.5rem;
    --cog-radius-md: 0.75rem;
    --cog-radius-lg: 1rem;
    --cog-radius-xl: 1.5rem;
    --cog-radius-full: 9999px;
    
    /* Transitions */
    --cog-transition-fast: 150ms ease;
    --cog-transition: 200ms ease;
    --cog-transition-slow: 300ms ease;
    
    /* Spacing */
    --cog-section-padding: 3rem;
    --cog-container-max: 1280px;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --cog-primary: #4338ca;
    --cog-primary-hover: #3730a3;
    --cog-bg-page: #0f172a;
    --cog-bg-card: #1e293b;
    --cog-bg-section: #1e293b;
    --cog-bg-hover: #334155;
    --cog-secondary: #047857;
    --cog-secondary-hover: #065f46;
    --cog-accent: #b45309;
    
    --cog-text-primary: #f8fafc;
    --cog-text-secondary: #cbd5e1;
    --cog-text-muted: #64748b;
    
    --cog-border: #334155;
    --cog-border-hover: #475569;
    
    --cog-primary-light: #312e81;
    --cog-secondary-light: #064e3b;
    --cog-accent-light: #78350f;
    
    --cog-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --cog-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.3), 0 1px 2px -1px rgb(0 0 0 / 0.3);
    --cog-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --cog-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
}

/* ============================================
   BASE PAGE LAYOUT
   ============================================ */
.cognitive-intro-page {
    background: var(--cog-bg-page);
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--cog-text-primary);
    line-height: 1.6;
}

.cognitive-intro-page * {
    box-sizing: border-box;
}

.cog-container {
    max-width: var(--cog-container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.cog-breadcrumbs {
    padding: 1rem 0;
    background: var(--cog-bg-card);
    border-bottom: 1px solid var(--cog-border);
}

.cog-breadcrumbs-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.875rem;
}

.cog-breadcrumbs-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cog-breadcrumbs-list a {
    color: var(--cog-text-secondary);
    text-decoration: none;
    transition: color var(--cog-transition);
}

.cog-breadcrumbs-list a:hover {
    color: var(--cog-primary);
}

.cog-breadcrumbs-list .current {
    color: var(--cog-text-primary);
    font-weight: 500;
}

.cog-breadcrumb-sep {
    color: var(--cog-text-muted);
}

/* ============================================
   HERO SECTION
   ============================================ */
.cog-hero {
    background: var(--cog-bg-card);
    padding: 2.5rem 0 3rem;
    border-bottom: 1px solid var(--cog-border);
}

.cog-hero-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 3rem;
    align-items: start;
}

.cog-hero-content {
    padding-right: 1rem;
}

/* Test Badge/Category */
.cog-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    background: var(--cog-primary-light);
    color: var(--cog-primary);
    border-radius: var(--cog-radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

/* Test Title */
.cog-test-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 0.75rem;
    color: var(--cog-text-primary);
}

.cog-test-icon {
    font-size: 2.5rem;
    margin-right: 0.75rem;
    vertical-align: middle;
}

/* Rating Display */
.cog-rating {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.cog-stars {
    display: flex;
    gap: 0.125rem;
}

.cog-star {
    color: var(--cog-accent);
    font-size: 1.125rem;
}

.cog-star.empty {
    color: var(--cog-text-muted);
}

.cog-rating-text {
    font-size: 0.875rem;
    color: var(--cog-text-secondary);
}

/* Tagline */
.cog-tagline {
    font-size: 1.25rem;
    color: var(--cog-text-secondary);
    margin-bottom: 1rem;
    font-weight: 400;
}

/* Description */
.cog-description {
    font-size: 0.9375rem;
    color: var(--cog-text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 600px;
}

/* Key Features List */
.cog-key-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.cog-key-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
}

.cog-feature-check {
    flex-shrink: 0;
    width: 1.375rem;
    height: 1.375rem;
    background: var(--cog-secondary-light);
    color: var(--cog-secondary);
    border-radius: var(--cog-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Quick Stats Row */
.cog-quick-stats {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--cog-border);
    margin-top: 1rem;
}

.cog-stat {
    text-align: center;
}

.cog-stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cog-primary);
}

.cog-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--cog-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   PRICING CARD (STICKY SIDEBAR)
   ============================================ */
.cog-pricing-card {
    position: sticky;
    top: 1.5rem;
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius-xl);
    box-shadow: var(--cog-shadow-lg);
    overflow: hidden;
}

.cog-pricing-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--cog-primary) 0%, var(--cog-primary-dark) 100%);
    color: var(--cog-text-inverse);
    text-align: center;
}

.cog-price-display {
    margin-bottom: 0.5rem;
}

.cog-price-current {
    font-size: 2.5rem;
    font-weight: 700;
}

.cog-price-original {
    font-size: 1.125rem;
    text-decoration: line-through;
    opacity: 0.7;
    margin-left: 0.5rem;
}

.cog-price-period {
    font-size: 0.875rem;
    opacity: 0.9;
}

.cog-pricing-body {
    padding: 1.5rem;
}

/* Duration Selector - Modern Styled */
.cog-duration-selector {
    margin-bottom: 1.5rem;
}

.cog-duration-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--cog-text-primary);
    margin-bottom: 0.75rem;
}

.cog-duration-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.cog-duration-option {
    position: relative;
    padding: 1rem;
    padding-top: 1.25rem;
    border: 2px solid var(--cog-border);
    border-radius: var(--cog-radius);
    cursor: pointer;
    transition: all var(--cog-transition);
    background: var(--cog-bg-card);
    text-align: center;
}

.cog-duration-option:hover {
    border-color: var(--cog-primary);
    background: var(--cog-primary-light);
}

.cog-duration-option.selected {
    border-color: var(--cog-primary);
    background: var(--cog-primary-light);
    box-shadow: 0 0 0 1px var(--cog-primary);
}

.cog-duration-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.cog-duration-name {
    display: block;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--cog-text-primary);
    margin-bottom: 0.25rem;
}

.cog-duration-price {
    display: block;
    font-size: 0.8125rem;
    color: var(--cog-text-secondary);
}

.cog-duration-option.best-value {
    padding-top: 1.75rem;
}

.cog-duration-option.best-value::before {
    content: 'BEST VALUE';
    position: absolute;
    top: 0.375rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.125rem 0.625rem;
    background: var(--cog-secondary);
    color: var(--cog-text-inverse);
    font-size: 0.5625rem;
    font-weight: 700;
    border-radius: var(--cog-radius-sm);
    letter-spacing: 0.05em;
    white-space: nowrap;
}

/* Test Settings - Duration & Questions */
.cog-test-settings {
    margin-bottom: 1.5rem;
}

.cog-setting-group {
    margin-bottom: 1rem;
}

.cog-setting-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--cog-text-primary);
    margin-bottom: 0.5rem;
}

.cog-setting-hint {
    font-size: 0.8rem;
    color: var(--cog-text-secondary);
    margin-top: 0.5rem;
    margin-bottom: 0;
    font-style: italic;
}

/* Modern Select Dropdown */
.cog-select-wrapper {
    position: relative;
}

.cog-select {
    width: 100%;
    padding: 0.875rem 2.5rem 0.875rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--cog-text-primary);
    background: var(--cog-bg-card);
    border: 2px solid var(--cog-border);
    border-radius: var(--cog-radius);
    cursor: pointer;
    appearance: none;
    transition: all var(--cog-transition);
}

.cog-select:hover {
    border-color: var(--cog-border-hover);
}

.cog-select:focus {
    outline: none;
    border-color: var(--cog-primary);
    box-shadow: 0 0 0 3px var(--cog-primary-light);
}

.cog-select-arrow {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--cog-text-secondary);
}

/* CTA Buttons */
.cog-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.cog-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--cog-radius);
    border: none;
    cursor: pointer;
    transition: all var(--cog-transition);
}

.cog-btn-primary {
    background: var(--cog-primary);
    color: var(--cog-text-inverse);
}

.cog-btn-primary,
.cog-btn-primary * {
    color: #ffffff !important;
}

.cog-btn-primary:hover {
    background: var(--cog-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--cog-shadow-md);
}

.cog-btn-secondary {
    background: var(--cog-bg-card);
    color: var(--cog-primary);
    border: 2px solid var(--cog-primary);
}

.cog-btn-secondary:hover {
    background: var(--cog-primary-light);
}

.cog-btn-success {
    background: var(--cog-secondary);
    color: var(--cog-text-inverse);
}

.cog-btn-success:hover {
    background: var(--cog-secondary-hover);
}

.cog-btn-cart {
    background: var(--cog-accent);
    color: var(--cog-text-primary);
}

.cog-btn-cart,
.cog-btn-cart * {
    color: #ffffff !important;
}

.cog-btn-cart:hover {
    background: #d97706;
}

/* Trust Signals */
.cog-trust-signals {
    padding-top: 1rem;
    border-top: 1px solid var(--cog-border);
}

.cog-trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--cog-text-secondary);
    margin-bottom: 0.5rem;
}

.cog-trust-icon {
    color: var(--cog-secondary);
    font-size: 1rem;
}

/* ============================================
   SECTION STYLING
   ============================================ */
.cog-section {
    padding: var(--cog-section-padding) 0;
}

.cog-section-alt {
    background: var(--cog-bg-section);
}

.cog-section-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--cog-text-primary);
}

.cog-section-subtitle {
    font-size: 1rem;
    color: var(--cog-text-secondary);
    text-align: center;
    max-width: 600px;
    margin: -1rem auto 2rem;
}

/* ============================================
   SKILLS GRID
   ============================================ */
.cog-skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.cog-skill-card {
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--cog-transition);
}

.cog-skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--cog-shadow-lg);
    border-color: var(--cog-border-hover);
}

.cog-skill-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cog-skill-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--cog-text-primary);
}

.cog-skill-card p {
    font-size: 0.875rem;
    color: var(--cog-text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ============================================
   TEST DETAILS CARDS
   ============================================ */
.cog-details-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.cog-detail-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius);
    padding: 1.25rem;
}

.cog-detail-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.cog-detail-content {
    flex: 1;
}

.cog-detail-label {
    display: block;
    font-size: 0.75rem;
    color: var(--cog-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cog-detail-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--cog-text-primary);
}

/* ============================================
   HOW IT WORKS - CLEAN CARD DESIGN
   ============================================ */
.cog-steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    position: relative;
}

.cog-step {
    text-align: center;
    position: relative;
    z-index: 1;
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius);
    padding: 1.5rem 1rem;
    transition: all var(--cog-transition);
}

.cog-step:hover {
    border-color: var(--cog-primary);
    transform: translateY(-4px);
    box-shadow: var(--cog-shadow-md);
}

.cog-step-number {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--cog-primary);
    color: var(--cog-text-inverse);
    border-radius: var(--cog-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    margin: 0 auto 0.875rem;
}

.cog-step h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 0 0 0.375rem;
    color: var(--cog-text-primary);
}

.cog-step p {
    font-size: 0.8125rem;
    color: var(--cog-text-secondary);
    margin: 0;
    line-height: 1.4;
}

/* ============================================
   TUTORIAL SECTION
   ============================================ */
.cog-tutorial-section {
    background: linear-gradient(135deg, var(--cog-primary-light) 0%, var(--cog-bg-section) 100%);
    border-radius: var(--cog-radius-xl);
    padding: 2rem;
    margin: 0 auto;
    max-width: 800px;
}

.cog-tutorial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.cog-tutorial-icon {
    font-size: 2.5rem;
}

.cog-tutorial-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--cog-text-primary);
}

.cog-tutorial-description {
    color: var(--cog-text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.cog-tutorial-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--cog-primary);
    color: var(--cog-text-inverse);
    border-radius: var(--cog-radius);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--cog-transition);
}

.cog-tutorial-btn,
.cog-tutorial-btn * {
    color: #ffffff !important;
}

.cog-tutorial-btn:hover {
    background: var(--cog-primary-hover);
    transform: translateY(-2px);
}

/* ============================================
   FAQ ACCORDION
   ============================================ */
.cog-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.cog-faq-item {
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.cog-faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--cog-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--cog-transition);
}

.cog-faq-question:hover {
    background: var(--cog-bg-hover);
}

.cog-faq-icon {
    font-size: 1.25rem;
    color: var(--cog-text-muted);
    transition: transform var(--cog-transition);
}

.cog-faq-item.active .cog-faq-icon {
    transform: rotate(180deg);
}

.cog-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--cog-transition-slow);
}

.cog-faq-item.active .cog-faq-answer {
    max-height: 500px;
}

.cog-faq-answer-content {
    padding: 0 1.5rem 1.25rem;
    color: var(--cog-text-secondary);
    line-height: 1.7;
}

/* ============================================
   TIPS SECTION
   ============================================ */
.cog-tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.cog-tip-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius);
}

.cog-tip-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--cog-accent-light);
    color: var(--cog-accent);
    border-radius: var(--cog-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.cog-tip-item p {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--cog-text-secondary);
}

/* ============================================
   RELATED TESTS
   ============================================ */
.cog-related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.cog-related-card {
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius-lg);
    overflow: hidden;
    transition: all var(--cog-transition);
    text-decoration: none;
}

.cog-related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--cog-shadow-lg);
}

.cog-related-header {
    padding: 1.5rem;
    text-align: center;
    background: var(--cog-bg-section);
}

.cog-related-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.cog-related-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    color: var(--cog-text-primary);
}

.cog-related-body {
    padding: 1rem 1.5rem 1.5rem;
}

.cog-related-card p {
    font-size: 0.875rem;
    color: var(--cog-text-secondary);
    margin: 0 0 1rem;
    line-height: 1.5;
}

.cog-related-price {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--cog-primary);
}

/* ============================================
   CART SIDEBAR (SLIDE-OUT)
   ============================================ */
.cog-cart-sidebar {
    position: fixed;
    top: 0;
    right: -450px;
    width: 450px;
    height: 100vh;
    background: var(--cog-bg-card);
    box-shadow: -4px 0 25px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: right var(--cog-transition-slow);
    display: flex;
    flex-direction: column;
}

.cog-cart-sidebar.open {
    right: 0;
}

.cog-cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--cog-transition);
}

.cog-cart-overlay.visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   NOTIFICATIONS
   ============================================ */
.cog-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--cog-text-primary);
    color: var(--cog-text-inverse);
    border-radius: var(--cog-radius);
    box-shadow: var(--cog-shadow-xl);
    z-index: 1001;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--cog-transition);
}

.cog-notification.visible {
    opacity: 1;
    transform: translateY(0);
}

.cog-notification.success {
    background: var(--cog-secondary);
}

.cog-notification.error {
    background: #ef4444;
}

[data-theme="dark"] .cog-trial-banner {
    background: linear-gradient(135deg, #047857 0%, #065f46 100%) !important;
    color: #ffffff !important;
}

[data-theme="dark"] .cog-notification {
    background: #1e293b;
    color: #f8fafc;
}

[data-theme="dark"] .cog-notification.success {
    background: #047857;
    color: #ffffff;
}

[data-theme="dark"] .cog-notification.error {
    background: #b91c1c;
    color: #ffffff;
}

[data-theme="dark"] .cog-pricing-body a[href*="/subscribe"],
[data-theme="dark"] .cog-pricing-body a[href*="subscribe"],
[data-theme="dark"] .cog-container a[href*="/subscribe"] {
    color: #a5b4fc !important;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .cog-hero-grid {
        grid-template-columns: 1fr;
    }
    
    .cog-pricing-card {
        position: static;
        max-width: 450px;
        margin: 2rem auto 0;
    }
    
    .cog-skills-grid,
    .cog-details-grid,
    .cog-steps-container,
    .cog-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cog-steps-container::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .cog-test-title {
        font-size: 1.75rem;
    }
    
    .cog-section-title {
        font-size: 1.5rem;
    }
    
    .cog-key-features {
        grid-template-columns: 1fr;
    }
    
    .cog-skills-grid,
    .cog-details-grid,
    .cog-steps-container,
    .cog-related-grid,
    .cog-tips-grid {
        grid-template-columns: 1fr;
    }
    
    .cog-duration-options {
        grid-template-columns: 1fr;
    }
    
    .cog-cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .cog-quick-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .cog-container {
        padding: 0 1rem;
    }
    
    .cog-hero {
        padding: 1.5rem 0 2rem;
    }
    
    .cog-section {
        padding: 2rem 0;
    }
    
    .cog-pricing-card {
        margin: 1.5rem auto 0;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.cog-text-center {
    text-align: center;
}

.cog-mb-0 { margin-bottom: 0; }
.cog-mb-1 { margin-bottom: 0.5rem; }
.cog-mb-2 { margin-bottom: 1rem; }
.cog-mb-3 { margin-bottom: 1.5rem; }
.cog-mb-4 { margin-bottom: 2rem; }

.cog-hidden {
    display: none !important;
}

/* Color accent classes for test-specific theming */
.cog-accent-numerical { --cog-test-color: var(--cog-numerical); }
.cog-accent-verbal { --cog-test-color: var(--cog-verbal); }
.cog-accent-inductive { --cog-test-color: var(--cog-inductive); }
.cog-accent-deductive { --cog-test-color: var(--cog-deductive); }
.cog-accent-spatial { --cog-test-color: var(--cog-spatial); }
.cog-accent-critical { --cog-test-color: var(--cog-critical); }
.cog-accent-grid { --cog-test-color: var(--cog-grid); }
.cog-accent-switch { --cog-test-color: var(--cog-switch); }
.cog-accent-word-relations { --cog-test-color: var(--cog-word-relations); }
.cog-accent-personality { --cog-test-color: var(--cog-personality); }
.cog-accent-sjt { --cog-test-color: var(--cog-sjt); }
.cog-accent-mindgrid { --cog-test-color: var(--cog-mindgrid); }

/* Apply test-specific color to key elements */
.cog-accent-numerical .cog-step-number,
.cog-accent-verbal .cog-step-number,
.cog-accent-inductive .cog-step-number,
.cog-accent-deductive .cog-step-number,
.cog-accent-spatial .cog-step-number,
.cog-accent-critical .cog-step-number,
.cog-accent-grid .cog-step-number,
.cog-accent-switch .cog-step-number,
.cog-accent-word-relations .cog-step-number,
.cog-accent-personality .cog-step-number,
.cog-accent-sjt .cog-step-number,
.cog-accent-mindgrid .cog-step-number {
    background: var(--cog-test-color);
}

/* ============================================
   LEARNING OUTCOMES
   ============================================ */
.cog-outcomes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.cog-outcome-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius);
}

.cog-outcome-check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    color: white;
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.cog-outcome-item span:last-child {
    color: var(--cog-text-primary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* ============================================
   COURSE CURRICULUM
   ============================================ */
.cog-curriculum-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.cog-module-card {
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius-lg);
    overflow: hidden;
    transition: all var(--cog-transition);
}

.cog-module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--cog-shadow-lg);
    border-color: var(--cog-border-hover);
}

.cog-module-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--cog-bg-hover);
    border-bottom: 1px solid var(--cog-border);
}

.cog-module-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    flex-shrink: 0;
}

.cog-module-header h4 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--cog-text-primary);
}

.cog-module-topics {
    list-style: none;
    padding: 1rem 1.25rem;
    margin: 0;
}

.cog-module-topics li {
    font-size: 0.8125rem;
    color: var(--cog-text-secondary);
    padding: 0.375rem 0;
    padding-left: 1rem;
    position: relative;
}

.cog-module-topics li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--cog-text-muted);
}

/* ============================================
   PROJECTS GRID
   ============================================ */
.cog-projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.cog-project-card {
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius-lg);
    padding: 1.5rem;
    transition: all var(--cog-transition);
}

.cog-project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--cog-shadow-lg);
    border-color: var(--cog-border-hover);
}

.cog-project-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.cog-project-card h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--cog-text-primary);
    margin: 0 0 0.5rem;
}

.cog-project-card p {
    font-size: 0.875rem;
    color: var(--cog-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   TOOLS & TECHNOLOGIES
   ============================================ */
.cog-tools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.cog-tool-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: 100px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--cog-text-primary);
    transition: all var(--cog-transition);
}

.cog-tool-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--cog-shadow);
    border-color: var(--cog-border-hover);
}

.cog-tool-icon {
    font-size: 1.25rem;
}

/* ============================================
   PREREQUISITES
   ============================================ */
.cog-prereq-card {
    background: var(--cog-bg-card);
    border: 1px solid var(--cog-border);
    border-radius: var(--cog-radius-lg);
    padding: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.cog-prereq-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--cog-text-primary);
    margin: 0 0 1rem;
}

.cog-prereq-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cog-prereq-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--cog-text-secondary);
    font-size: 0.9375rem;
}

.cog-prereq-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--cog-text-muted);
}

/* ============================================
   RESPONSIVE - NEW SECTIONS
   ============================================ */
@media (max-width: 1024px) {
    .cog-curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cog-outcomes-grid {
        grid-template-columns: 1fr;
    }
    
    .cog-curriculum-grid {
        grid-template-columns: 1fr;
    }
    
    .cog-projects-grid {
        grid-template-columns: 1fr;
    }
    
    .cog-tools-grid {
        gap: 0.75rem;
    }
    
    .cog-tool-badge {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}