/* ===== KEY FEATURES SECTION ===== */
.key-features {
    padding: var(--section-padding);
    background: var(--secondary-bg);
    position: relative;
    overflow: hidden;
}

.key-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.01) 0%, transparent 70%);
    pointer-events: none;
}

.features-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Features Header */
.features-header {
    text-align: center;
    margin-bottom: 80px;
}

.features-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 8px 16px;
    margin-bottom: 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.features-badge i {
    color: var(--primary-accent);
    font-size: 0.8rem;
}

.features-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    max-width: 900px;
    margin: 0 auto 24px auto;
}

.features-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.feature-card {
    padding: 0;
    overflow: hidden;
    transition: all var(--transition-medium);
    border: 1px solid var(--glass-border);
    height: auto;
    min-height: 450px;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-accent);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(0, 212, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Feature Content */
.feature-content {
    padding: 32px;
    border-bottom: 1px solid var(--glass-border);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Feature Visual */
.feature-visual {
    padding: 24px;
    background: rgba(0, 0, 0, 0.2);
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Chat Mockup */
.chat-mockup {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    width: 100%;
    max-width: 300px;
    backdrop-filter: blur(10px);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.online {
    background: var(--success-accent);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}

.chat-time {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.message.customer {
    align-self: flex-end;
    background: var(--primary-accent);
    color: white;
}

.message.ai {
    align-self: flex-start;
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

/* Conversion Mockup */
.conversion-mockup {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    width: 100%;
    max-width: 280px;
    backdrop-filter: blur(10px);
}

.conversion-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.conversion-header i {
    color: var(--success-accent);
}

.conversion-stats {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 4px;
}

.stat-arrow {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--success-accent);
    font-size: 0.85rem;
    font-weight: 600;
}

.conversion-chart {
    display: flex;
    align-items: end;
    gap: 8px;
    height: 60px;
}

.chart-bar {
    background: var(--gradient-primary);
    border-radius: 2px;
    flex: 1;
    min-height: 20px;
    transition: all var(--transition-medium);
}

.conversion-mockup:hover .chart-bar {
    transform: scaleY(1.1);
}

/* Reviews Mockup */
.reviews-mockup {
    width: 100%;
    max-width: 320px;
}

.review-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    backdrop-filter: blur(10px);
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.reviewer-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-accent);
}

.reviewer-name {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.review-stars {
    color: #fbbf24;
    font-size: 0.8rem;
}

.review-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 16px;
    font-style: italic;
}

.review-platform {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.review-platform i {
    color: #ea4335;
}

/* Call Analytics Mockup */
.call-analytics-mockup {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    width: 100%;
    max-width: 280px;
    backdrop-filter: blur(10px);
}

.call-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.call-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
}

.caller-name {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.call-status {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.call-result {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 8px;
}

.result-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.result-icon.success {
    background: var(--success-accent);
    color: white;
}

.result-text {
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Savings Mockup */
.savings-mockup {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    width: 100%;
    max-width: 280px;
    backdrop-filter: blur(10px);
}

.savings-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.savings-header i {
    color: var(--success-accent);
}

.savings-amount {
    text-align: center;
    margin-bottom: 24px;
}

.currency {
    color: var(--text-secondary);
    font-size: 1.5rem;
    font-weight: 600;
}

.amount {
    color: var(--text-primary);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.savings-breakdown {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.savings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--glass-border);
}

.savings-item:last-child {
    border-bottom: none;
}

.item-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.item-value {
    color: var(--success-accent);
    font-size: 0.85rem;
    font-weight: 600;
}

/* Marketing Mockup */
.marketing-mockup {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    width: 100%;
    max-width: 300px;
    backdrop-filter: blur(10px);
}

.marketing-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.marketing-header i {
    color: var(--primary-accent);
}

.content-preview {
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
}

.content-type {
    color: var(--primary-accent);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.content-text {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.4;
    margin-bottom: 16px;
}

.content-actions {
    display: flex;
    justify-content: flex-end;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-accent);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--secondary-accent);
    transform: translateY(-1px);
}

/* Responsive Design */
/* S10 Ultra Tablet Optimization */
@media screen and (min-width: 900px) and (max-width: 1024px) {
    .key-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        max-width: 800px;
        margin: 0 auto;
    }
    
    .feature-card {
        padding: 24px 20px;
    }
    
    .feature-title {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .feature-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 16px;
    }
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .key-features {
        padding: 80px 0;
    }
    
    .features-header {
        margin-bottom: 60px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        min-height: 400px;
    }
    
    .feature-content {
        padding: 24px;
    }
    
    .feature-visual {
        padding: 20px;
    }
    
    .chat-mockup,
    .conversion-mockup,
    .reviews-mockup,
    .call-analytics-mockup,
    .savings-mockup,
    .marketing-mockup {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .features-title {
        font-size: 1.75rem;
    }
    
    .feature-content {
        padding: 20px;
    }
    
    .feature-visual {
        padding: 16px;
        min-height: 180px;
    }
    
    .feature-title {
        font-size: 1.2rem;
    }
    
    .chat-mockup,
    .conversion-mockup,
    .reviews-mockup,
    .call-analytics-mockup,
    .savings-mockup,
    .marketing-mockup {
        padding: 16px;
    }
    
    .savings-amount .amount {
        font-size: 2rem;
    }
}

/* Animation Enhancements */
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.05), transparent);
    transition: left var(--transition-slow);
    z-index: 1;
}

.feature-card:hover::before {
    left: 100%;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .feature-card:hover {
        transform: none;
    }
    
    .feature-card::before {
        display: none;
    }
    
    .chart-bar {
        transition: none;
    }
    
    .conversion-mockup:hover .chart-bar {
        transform: none;
    }
}