/* ===== FEATURES PAGE SPECIFIC STYLES ===== */

/* Page Header */
.page-header {
    padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    text-align: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--secondary-gray);
}

.breadcrumb a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--accent-blue);
}

.separator {
    color: var(--border-gray);
}

.current {
    color: var(--primary-gray);
    font-weight: var(--font-medium);
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-bold);
    color: var(--primary-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.page-description {
    font-size: 1.25rem;
    color: var(--secondary-gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Feature Categories */
.feature-categories {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.tab-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--light-gray);
    color: var(--secondary-gray);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-weight: var(--font-medium);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tab-button:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
}

.tab-button.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.tab-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

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

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

/* Feature Detail Cards */
.feature-detail-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-gray);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
}

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

.feature-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-detail-card .feature-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-blue);
    stroke-width: 1.5;
    flex-shrink: 0;
    margin-top: 4px;
}

.feature-name {
    font-size: 1.5rem;
    font-weight: var(--font-semibold);
    color: var(--primary-gray);
    margin-bottom: 4px;
    line-height: 1.3;
}

.feature-subtitle {
    color: var(--primary-blue);
    font-size: 0.875rem;
    font-weight: var(--font-medium);
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-description {
    color: var(--secondary-gray);
    line-height: 1.6;
    font-size: 1rem;
}

/* Feature Highlights */
.feature-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.highlight {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
    background: var(--light-blue);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-blue);
}

.highlight strong {
    color: var(--primary-blue);
    font-weight: var(--font-semibold);
    font-size: 0.875rem;
}

.highlight {
    color: var(--secondary-gray);
    font-size: 0.875rem;
    line-height: 1.4;
}

/* Tech Specs */
.tech-specs {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-gray);
}

.tech-specs h4 {
    color: var(--primary-gray);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.tech-specs ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.tech-specs li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--secondary-gray);
    font-size: 0.875rem;
    line-height: 1.4;
}

.tech-specs li::before {
    content: '•';
    color: var(--primary-blue);
    font-weight: var(--font-bold);
    font-size: 1rem;
}

/* Feature Comparison */
.feature-comparison {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

.comparison-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.plan-column {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-gray);
    transition: all var(--transition-normal);
    position: relative;
    text-align: center;
}

.plan-column:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.plan-column.featured {
    border-color: var(--primary-blue);
    transform: scale(1.05);
}

.plan-column.featured:hover {
    transform: translateY(-4px) scale(1.05);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: var(--font-semibold);
    white-space: nowrap;
}

.plan-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-gray);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: var(--font-bold);
    color: var(--primary-gray);
    margin-bottom: var(--spacing-xs);
}

.plan-subtitle {
    color: var(--secondary-gray);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.plan-price {
    font-size: 2.5rem;
    font-weight: var(--font-bold);
    color: var(--primary-blue);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    font-weight: var(--font-regular);
    color: var(--secondary-gray);
}

.plan-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
}

.feature-check {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: var(--font-bold);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.feature-item.available .feature-check {
    background: var(--success-green);
    color: var(--white);
}

.feature-item.unavailable .feature-check {
    background: var(--light-gray);
    color: var(--secondary-gray);
}

.feature-item span:last-child {
    color: var(--primary-gray);
    font-size: 0.875rem;
}

.feature-item.unavailable span:last-child {
    color: var(--secondary-gray);
}

.plan-button {
    width: 100%;
    justify-content: center;
}

/* Active Navigation Item */
.nav-item.active {
    color: var(--primary-blue);
}

.nav-item.active::after {
    width: 100%;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        grid-template-columns: 1fr;
    }
    
    .plan-column.featured {
        transform: none;
    }
    
    .plan-column.featured:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 768px) {
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-button {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-detail-card {
        padding: var(--spacing-lg);
    }
    
    .feature-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .feature-detail-card .feature-icon {
        margin-top: 0;
        align-self: center;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: calc(70px + var(--spacing-lg)) 0 var(--spacing-lg) 0;
    }
    
    .breadcrumb {
        font-size: 0.75rem;
    }
    
    .page-description {
        font-size: 1rem;
    }
    
    .tab-button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .tab-icon {
        width: 16px;
        height: 16px;
    }
    
    .feature-name {
        font-size: 1.25rem;
    }
    
    .plan-price {
        font-size: 2rem;
    }
}