/* ========================================
   Cases Page Styles
   荧耀传媒 - 成功案例页面
   ======================================== */

/* Page Header (reuse from resources) */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    background: radial-gradient(ellipse at center top, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

.page-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.page-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Featured Case Section */
.featured-case-section {
    padding: 40px 0 80px;
}

.featured-case {
    padding: 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, var(--glass-bg) 100%);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.case-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2) 0%, rgba(251, 191, 36, 0.1) 100%);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 8px;
    color: #fbbf24;
    font-weight: 500;
}

.case-badge i {
    width: 20px;
    height: 20px;
}

.case-category {
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: 6px 12px;
    background: var(--glass-bg);
    border-radius: 6px;
}

/* Product Info Card - Enhanced Style */
.product-info-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 28px;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(16, 185, 129, 0.05) 100%);
    border-radius: 16px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.product-info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.5), transparent);
}

.product-info-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.product-image {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.product-placeholder {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(16, 185, 129, 0.08) 100%);
    border: 2px solid rgba(16, 185, 129, 0.4);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.2);
    transition: all 0.3s ease;
}

.product-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

.product-placeholder i {
    width: 28px;
    height: 28px;
    color: var(--accent);
}

.product-placeholder span {
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.product-details {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
}

.meta-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.meta-item i {
    width: 14px;
    height: 14px;
    opacity: 0.8;
}

.meta-item.asin-tag {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
    color: #a78bfa;
}

.meta-item.asin-tag i {
    color: #a78bfa;
    opacity: 1;
}

.meta-item.price-tag {
    color: var(--accent);
    border-color: rgba(16, 185, 129, 0.4);
    background: rgba(16, 185, 129, 0.15);
    font-weight: 600;
}

.meta-item.price-tag i {
    color: var(--accent);
    opacity: 1;
}

/* Keepa Chart Container */
.keepa-chart-container {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 32px;
}

.keepa-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.keepa-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.keepa-logo span:first-child {
    font-size: 1.25rem;
}

.keepa-period {
    display: flex;
    gap: 4px;
}

.period-btn {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.period-btn:hover {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

.period-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Chart Area */
.keepa-chart {
    position: relative;
}

.chart-y-axis {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 30px;
    width: 70px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px 0;
}

.chart-y-axis span {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-align: right;
    padding-right: 10px;
}

.chart-area {
    margin-left: 70px;
    position: relative;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    overflow: hidden;
}

.rank-chart {
    width: 100%;
    height: 250px;
    display: block;
}

.rank-line {
    /* Animation values set dynamically via JavaScript for proper path length calculation */
    /* stroke-dasharray and stroke-dashoffset are set by JS based on getTotalLength() */
}

@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

.rank-line-glow {
    /* Animation values set dynamically via JavaScript for proper path length calculation */
    /* stroke-dasharray and stroke-dashoffset are set by JS based on getTotalLength() */
}

/* Annotations */
.chart-annotations {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.annotation-label {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.7);
    padding: 6px 10px;
    border-radius: 6px;
    white-space: nowrap;
    animation: fadeInUp 0.5s ease 2s both;
}

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

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

.chart-x-axis {
    margin-left: 70px;
    display: flex;
    justify-content: space-between;
    padding: 12px 20px 0;
}

.chart-x-axis span {
    font-size: 0.6875rem;
    color: var(--text-muted);
}

/* Influencer Video Timeline */
.influencer-timeline {
    margin-top: 24px;
    padding: 24px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.timeline-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.timeline-title i {
    width: 18px;
    height: 18px;
    color: #F97316;
}

.timeline-container {
    position: relative;
    padding: 20px 0;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: #10B981 rgba(255, 255, 255, 0.1);
}

.timeline-container::-webkit-scrollbar {
    height: 6px;
}

.timeline-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.timeline-container::-webkit-scrollbar-thumb {
    background: #10B981;
    border-radius: 3px;
}

.timeline-track {
    position: absolute;
    top: 30px;
    left: 20px;
    right: 20px;
    height: 4px;
    background: linear-gradient(90deg,
        rgba(16, 185, 129, 0.3) 0%,
        #10B981 20%,
        #10B981 80%,
        rgba(16, 185, 129, 0.3) 100%);
    border-radius: 2px;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
    z-index: 0;
}

.timeline-items {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    z-index: 1;
    min-width: max-content;
    gap: 16px;
    padding: 0 20px;
}

.timeline-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center;
    gap: 8px;
    opacity: 1;
    transition: opacity 0.3s ease, transform 0.3s ease;
    min-width: 130px;
    max-width: 150px;
    padding: 0;
}

.timeline-item.hidden {
    opacity: 0.3;
    transform: scale(0.9);
}

.timeline-marker {
    width: 24px !important;
    height: 24px !important;
    min-width: 24px;
    min-height: 24px;
    border-radius: 50% !important;
    border: 4px solid #0B0F19 !important;
    position: relative;
    z-index: 5;
    transition: all 0.3s ease;
    flex-shrink: 0;
    background-color: #10B981 !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.timeline-marker::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.8);
    animation: pulse 2s infinite;
}

.timeline-marker::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    width: 2px;
    height: 12px;
    background: currentColor;
    transform: translateX(-50%);
    opacity: 0.5;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.2); }
}

.timeline-marker.kol {
    background-color: #10B981 !important;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.8), 0 0 40px rgba(16, 185, 129, 0.4) !important;
    color: #10B981;
}

.timeline-marker.deal {
    background-color: #F97316 !important;
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.8), 0 0 40px rgba(249, 115, 22, 0.4) !important;
    color: #F97316;
}

.timeline-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
    width: 100%;
    padding: 12px 14px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
    margin-top: 8px;
}

.timeline-item:hover .timeline-content {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.timeline-date {
    font-size: 0.75rem;
    color: #10B981;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.timeline-name {
    font-size: 0.875rem;
    color: #FFFFFF;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 130px;
}

.timeline-type {
    font-size: 0.6875rem;
    color: #9CA3AF;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 500;
}

/* Deal type specific styling */
.timeline-item:has(.timeline-marker.deal) .timeline-date {
    color: #F97316;
}

.timeline-item:has(.timeline-marker.deal) .timeline-content:hover {
    background: rgba(249, 115, 22, 0.15);
    border-color: rgba(249, 115, 22, 0.4);
}

/* Legend */
.keepa-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 24px;
    height: 3px;
    border-radius: 2px;
}

/* Comparison Section */
.comparison-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
}

.comparison-card {
    flex: 1;
    max-width: 280px;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
}

.comparison-card.before {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.comparison-card.after {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.comparison-label {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.comparison-card.before .comparison-label {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.comparison-card.after .comparison-label {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent);
}

.comparison-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.comparison-card.after .comparison-value {
    color: var(--accent);
}

.comparison-card.after .comparison-value i {
    width: 28px;
    height: 28px;
}

.comparison-detail {
    display: flex;
    justify-content: center;
    gap: 16px;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.comparison-arrow {
    flex-shrink: 0;
}

.comparison-arrow i {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

/* Case Metrics */
.case-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.metric-item {
    text-align: center;
    padding: 20px;
    background: var(--glass-bg);
    border-radius: 12px;
}

.metric-item .metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.metric-item .metric-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Cases Grid Section */
.cases-grid-section {
    padding: 60px 0 80px;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 40px;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* Case Card */
.case-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    border-color: rgba(16, 185, 129, 0.3);
}

.case-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-card-category {
    font-size: 0.8125rem;
    color: var(--text-muted);
    background: var(--glass-bg);
    padding: 4px 10px;
    border-radius: 4px;
}

.case-card-result {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 1rem;
    font-weight: 600;
}

.case-card-result.success {
    color: var(--accent);
}

.case-card-result i {
    width: 18px;
    height: 18px;
}

.case-card-chart {
    height: 60px;
    margin-bottom: 20px;
}

.mini-chart {
    width: 100%;
    height: 100%;
}

.mini-chart path {
    stroke-linecap: round;
}

.case-card-stats {
    display: flex;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.case-card-stats .stat {
    text-align: center;
}

.case-card-stats .stat-label {
    display: block;
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-card-stats .stat-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Testimonials Section */
.testimonials-section {
    padding: 60px 0 80px;
    background: rgba(0, 0, 0, 0.2);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.testimonial-card {
    padding: 28px;
    border-radius: var(--radius-lg);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.star {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.star.filled {
    color: #fbbf24;
    fill: #fbbf24;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, #ea580c 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
    color: white;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.author-title {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: 60px 0 100px;
}

.cta-box {
    text-align: center;
    padding: 60px 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, var(--glass-bg) 100%);
}

.cta-box h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.cta-box p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.cta-input-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.cta-input-group .asin-input {
    flex: 1;
    padding: 14px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
}

.cta-input-group .asin-input::placeholder {
    color: var(--text-muted);
}

.cta-input-group .asin-input:focus {
    outline: none;
    border-color: var(--primary);
}

.cta-input-group .btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    white-space: nowrap;
}

.cta-input-group .btn-primary i {
    width: 18px;
    height: 18px;
}

/* Modal Styles (reuse) */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    max-width: 440px;
    width: 90%;
    padding: 40px;
    border-radius: var(--radius-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--glass-bg);
    color: var(--text-primary);
}

.modal-close i {
    width: 24px;
    height: 24px;
}

.modal-body {
    text-align: center;
}

.modal-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon.success {
    background: rgba(16, 185, 129, 0.15);
}

.modal-icon.success i {
    width: 32px;
    height: 32px;
    color: var(--accent);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.modal-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.modal-qr {
    padding: 20px;
    background: white;
    border-radius: 16px;
    display: inline-block;
}

.qr-placeholder {
    width: 140px;
    height: 140px;
    background: #f0f0f0;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0 auto 12px;
}

.qr-placeholder i {
    width: 40px;
    height: 40px;
    color: #999;
}

.qr-placeholder span {
    font-size: 0.75rem;
    color: #666;
}

.qr-hint {
    font-size: 0.8125rem;
    color: #666;
    margin: 0;
}

/* Responsive */
@media (max-width: 968px) {
    .case-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparison-section {
        flex-wrap: wrap;
    }
    
    .comparison-card {
        max-width: none;
        width: 100%;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 40px;
    }
    
    .featured-case {
        padding: 24px;
    }
    
    .case-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .keepa-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .chart-y-axis {
        width: 50px;
    }
    
    .chart-area {
        margin-left: 50px;
    }
    
    .chart-x-axis {
        margin-left: 50px;
        padding: 8px 10px 0;
    }
    
    .annotation-label {
        font-size: 0.625rem;
        padding: 4px 8px;
    }
    
    .metric-item .metric-value {
        font-size: 1.5rem;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-input-group {
        flex-direction: column;
    }
    
    .cta-box {
        padding: 40px 20px;
    }
}