/* Features Page Styles */
.features-page {
    padding: var(--space-2xl) 0;
    background: var(--background);
    min-height: 100vh;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
}

/* Feature Categories */
.feature-category {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    border: 1px solid var(--border);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.5rem;
    margin-bottom: var(--space-2xl);
    color: var(--text-dark);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--border);
}

.category-title i {
    color: var(--primary-blue);
    font-size: 1.25rem;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

/* Feature Cards */
.feature-card {
    background: var(--background);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-normal);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    transition: .2s ease-in-out;
}

.feature-card:hover::before {
    opacity: 1;
    transition: .2s ease-in-out;
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
    color: white;
}

.feature-icon.test-mode {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.feature-icon.learn-mode {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.feature-icon.drill-mode {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.feature-icon.ranking {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.feature-icon.languages {
    background: linear-gradient(135deg, #fa709a, #fee140);
}

.feature-icon.questions {
    background: linear-gradient(135deg, #a8edea, #fed6e3);
}

.feature-icon.analytics {
    background: linear-gradient(135deg, #cd9cf2, #f6f3ff);
}

.feature-icon.progress {
    background: linear-gradient(135deg, #89f7fe, #66a6ff);
}

.feature-icon.ui {
    background: linear-gradient(135deg, #fdbb2d, #22c1c3);
}

.feature-icon.accessibility {
    background: linear-gradient(135deg, #ff9a9e, #fecfef);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-soft);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

/* Feature Benefits */
.feature-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-benefits li {
    padding: var(--space-sm) 0;
    color: var(--text-soft);
    position: relative;
    padding-left: var(--space-lg);
    line-height: 1.5;
}

.feature-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 600;
}

/* CTA Section */
.features-cta {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-purple));
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    text-align: center;
    margin-top: var(--space-3xl);
    color: white;
    position: relative;
    overflow: hidden;
}

.features-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 2;
}

.features-cta h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    color: white;
}

.features-cta p {
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .feature-category {
        padding: var(--space-xl);
    }
    
    .features-cta {
        padding: var(--space-2xl);
    }
    
    .features-cta h2 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .feature-card {
        padding: var(--space-lg);
    }
    
    .features-cta h2 {
        font-size: 1.75rem;
    }
    
    .category-title {
        font-size: 1.25rem;
    }
}
/* Features Page - Academy Updates */

/* Stats Banner */
.stats-banner {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin: var(--space-xl) 0 var(--space-3xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    min-width: 120px;
    transition: transform var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    transition: .2s ease-in-out;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-soft);
    font-weight: 500;
}

/* Academy Highlight */
.academy-highlight {
    background: linear-gradient(135deg, rgba(42, 104, 255, 0.05), rgba(124, 97, 255, 0.05));
    border: 2px solid rgba(42, 104, 255, 0.2);
}

.academy-feature {
    background: var(--surface);
    border: none;
    max-width: 800px;
    margin: 0 auto;
}

.academy-icon {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    width: 80px !important;
    height: 80px !important;
    font-size: 2rem !important;
}

.feature-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    color: var(--text-dark);
}

/* Academy Highlights */
.academy-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.highlight-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    padding: var(--space-lg);
    background: var(--background);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.highlight-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-sm);
    transition: .2s ease-in-out;
}

.highlight-item i {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-top: 2px;
}

.highlight-item strong {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--text-dark);
}

.highlight-item p {
    color: var(--text-soft);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* Academy Benefits */
.academy-benefits {
    margin-bottom: var(--space-xl);
}

.academy-benefits h4 {
    margin-bottom: var(--space-lg);
    color: var(--text-dark);
    font-size: 1.125rem;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    color: var(--text-soft);
}

.benefit i {
    color: var(--success);
    font-size: 0.875rem;
}

.benefit span {
    font-size: 0.875rem;
    line-height: 1.4;
}

/* Academy CTA */
.academy-cta {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border);
}

.btn-academy {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    border: none !important;
    color: white !important;
    font-size: 1.125rem !important;
    padding: var(--space-lg) var(--space-2xl) !important;
    min-width: 200px;
}

.btn-academy:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3) !important;
    transition: .2s ease-in-out;
}

/* Platform Stats in CTA */
.platform-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin: var(--space-xl) 0;
    flex-wrap: wrap;
}

.platform-stat {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    min-width: 150px;
}

.stat-icon {
    font-size: 1.5rem;
    opacity: 0.9;
}

.stat-info {
    text-align: left;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 2px;
}

.stat-text {
    font-size: 0.75rem;
    opacity: 0.8;
}

/* Updated Languages List */
.feature-benefits li {
    padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .stats-banner {
        gap: var(--space-lg);
    }
    
    .stat-item {
        min-width: 100px;
    }
    
    .academy-highlights {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-banner {
        gap: var(--space-md);
    }
    
    .stat-item {
        min-width: 80px;
        padding: var(--space-md);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .academy-feature {
        padding: var(--space-lg);
    }
    
    .platform-stat {
        min-width: 120px;
        padding: var(--space-md);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
        margin-bottom: var(--space-md);
    }
}

@media (max-width: 480px) {
    .stats-banner {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .stat-item {
        width: 200px;
    }
    
    .platform-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .platform-stat {
        width: 200px;
    }
}