/* Testimonials Section - Classified Intelligence Briefs */
.testimonials-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-darker) 100%);
    position: relative;
    overflow: hidden;
}

/* Classified Grid Background */
.testimonials-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        repeating-linear-gradient(0deg, 
            transparent, 
            transparent 100px, 
            rgba(201, 169, 97, 0.02) 100px, 
            rgba(201, 169, 97, 0.02) 101px
        );
    pointer-events: none;
}

/* Container */
.testimonials-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 1;
}

/* Section Header */
.testimonials-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.classified-stamp {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
    border-radius: 4px;
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--danger);
    transform: rotate(-2deg);
}

.testimonials-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    font-family: var(--font-display);
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-sm);
}

/* Disclaimer */
.disclaimer-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
    max-width: 700px;
    margin: 0 auto;
}

/* Industry Filters */
.industry-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    background: var(--surface-hover);
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: rgba(201, 169, 97, 0.2);
    border-color: var(--gold);
    color: var(--gold);
}

/* Testimonials Grid */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

/* Testimonial Card - Intelligence Brief Style */
.testimonial-card {
    background: linear-gradient(135deg, rgba(15,15,15,0.95) 0%, rgba(26,26,26,0.95) 100%);
    border: 2px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-slow);
    cursor: pointer;
}

.testimonial-card::before {
    content: 'VERTRAULICH';
    position: absolute;
    top: 20px;
    right: -30px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    padding: 5px 40px;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    transform: rotate(45deg);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.testimonial-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.05) 0%, rgba(15,15,15,0.95) 100%);
    border-color: rgba(201, 169, 97, 0.3);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: 0 20px 40px rgba(201, 169, 97, 0.2);
}

/* Card Active State for Carousel */
.testimonial-card.active {
    opacity: 1 !important;
    transform: translateX(0) scale(1) !important;
}

/* Audio Waveform */
.audio-testimonial {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 12px;
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.play-button {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--gold) 0%, rgba(201, 169, 97, 0.8) 100%);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.play-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(201, 169, 97, 0.5);
}

.play-icon {
    width: 0;
    height: 0;
    border-left: 15px solid white;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    margin-left: 3px;
}

.pause-icon {
    width: 12px;
    height: 16px;
    background: white;
    position: relative;
}

.pause-icon::after {
    content: '';
    position: absolute;
    right: -8px;
    width: 4px;
    height: 16px;
    background: white;
}

.waveform {
    flex: 1;
    height: 50px;
    display: flex;
    align-items: center;
    gap: 2px;
}

.wave-bar {
    flex: 1;
    background: var(--gold);
    opacity: 0.3;
    height: 20%;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.wave-bar.active {
    opacity: 0.8;
    animation: wave-pulse 0.5s ease infinite;
}

@keyframes wave-pulse {
    0%, 100% { height: 20%; }
    50% { height: 80%; }
}

.audio-duration {
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 50px;
}

/* Client Info - Redacted Style */
.client-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.client-logo {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    position: relative;
    overflow: hidden;
}

.redacted {
    position: relative;
    display: inline-block;
}

.redacted::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 3px,
        rgba(255, 255, 255, 0.1) 3px,
        rgba(255, 255, 255, 0.1) 6px
    );
}

.client-details {
    flex: 1;
}

.client-name {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.client-industry {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(201, 169, 97, 0.1);
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--gold);
    text-transform: uppercase;
}

/* ROI Badge */
.roi-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(16, 185, 129, 0.1) 100%);
    border: 2px solid var(--success);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    text-align: center;
}

.roi-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--success);
    margin-bottom: 0.25rem;
}

.roi-value {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--success);
    font-family: var(--font-display);
}

/* Testimonial Content */
.testimonial-quote {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-style: italic;
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: -20px;
    font-size: 4rem;
    color: rgba(201, 169, 97, 0.2);
    font-family: var(--font-display);
}

/* Metrics Visualization */
.metrics-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.metric-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: var(--space-md);
    text-align: center;
}

.metric-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 900;
    font-family: var(--font-display);
    margin-bottom: 0.25rem;
}

.metric-value.before {
    color: var(--danger);
}

.metric-value.after {
    color: var(--success);
}

.metric-change {
    font-size: 0.875rem;
    color: var(--gold);
}

/* Case Study Expand */
.case-study-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--gold);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
}

.case-study-link:hover {
    gap: var(--space-sm);
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
}

.carousel-dot.active {
    background: var(--gold);
    border-color: var(--gold);
    transform: scale(1.2);
}

/* Logo Parade */
.logo-parade {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--glass-border);
    margin-bottom: var(--space-2xl);
}

.parade-title {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.logo-track {
    display: flex;
    gap: var(--space-2xl);
    animation: logo-scroll 30s linear infinite;
}

.logo-item {
    flex-shrink: 0;
    font-size: 2rem;
    opacity: 0.3;
    filter: grayscale(100%);
    transition: all var(--transition-base);
}

.logo-item:hover {
    opacity: 0.6;
    filter: grayscale(0%);
}

@keyframes logo-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Bottom CTA Section */
.testimonials-cta {
    text-align: center;
    padding: var(--space-2xl);
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.05) 0%, rgba(0,0,0,0.5) 100%);
    border-radius: 20px;
    border: 1px solid rgba(201, 169, 97, 0.2);
}

.testimonials-cta .cta-title {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-display);
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials-cta .cta-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.testimonials-cta .cta-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--gold) 0%, rgba(201, 169, 97, 0.8) 100%);
    border: 2px solid var(--gold);
    border-radius: 100px;
    color: var(--bg-dark);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.testimonials-cta .cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3);
}

.testimonials-cta .cta-arrow {
    transition: transform var(--transition-base);
}

.testimonials-cta .cta-primary:hover .cta-arrow {
    transform: translateX(5px);
}

/* Expanded Case Study Modal */
.case-study-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.case-study-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-dark);
    border: 2px solid var(--gold);
    border-radius: 20px;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-2xl);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: 2px solid var(--glass-border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
    font-size: 1.5rem;
}

.modal-close:hover {
    border-color: var(--gold);
    transform: rotate(90deg);
}

/* Responsive */
@media (max-width: 1024px) {
    .testimonial-card.featured {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-comparison {
        grid-template-columns: 1fr;
    }
    
    .industry-filters {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start;
    }
    
    .audio-testimonial {
        flex-direction: column;
    }
    
    .waveform {
        width: 100%;
    }
}