/* ==========================================================================
   CASE STUDIES SPECIFIC STYLES
   ========================================================================== */

/* 1. Hero Section (Reuses global .pd-hero styles) */

/* 2. Hero Interactive Mockup Browser */
.cs-hero-browser {
    position: relative;
    width: 100%;
    max-width: 520px;
    height: 380px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Browser Frame Container */
.cs-browser-frame {
    width: 100%;
    height: 300px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Browser Header Window Bar */
.cs-browser-header {
    background: #0f172a;
    padding: var(--spacing-3) var(--spacing-4);
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cs-browser-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.cs-browser-dot.red { background-color: #ff5f56; }
.cs-browser-dot.yellow { background-color: #ffbd2e; }
.cs-browser-dot.green { background-color: #27c93f; }

/* Browser Content Dashboard */
.cs-browser-content {
    flex-grow: 1;
    background: #ffffff;
    padding: var(--spacing-6);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* SVG Line Chart Style */
.cs-chart-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.cs-chart-path {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 4px 8px rgba(0, 71, 255, 0.25));
}

.cs-chart-area {
    fill: url(#chart-gradient);
    opacity: 0.15;
}

.cs-chart-point {
    fill: var(--color-primary);
    stroke: #ffffff;
    stroke-width: 3;
    r: 6;
}

.cs-chart-point-pulse {
    fill: var(--color-primary);
    r: 12;
    opacity: 0.4;
    animation: chart-point-pulse-anim 2s infinite;
}

@keyframes chart-point-pulse-anim {
    0% { transform: scale(0.8); opacity: 0.5; }
    100% { transform: scale(2.2); opacity: 0; }
}

/* Floating Badges inside Canvas */
.cs-float-card {
    position: absolute;
    z-index: 10;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-3) var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    transition: all var(--transition-normal);
}

.cs-float-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 15px 30px rgba(0, 71, 255, 0.15);
}

/* Card 1: Traffic +150% */
.cs-card-traffic {
    left: -20px;
    top: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(0, 71, 255, 0.1);
}

.cs-card-traffic i {
    width: 36px;
    height: 36px;
    background-color: rgba(0, 71, 255, 0.1);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.cs-card-traffic-num {
    font-size: var(--font-size-base);
    font-weight: 800;
    color: var(--color-text-dark);
    line-height: 1.1;
}

.cs-card-traffic-lbl {
    font-size: var(--font-size-xs);
    color: var(--color-text-body);
}

/* Card 2: Bar Chart */
.cs-card-bars {
    left: 20px;
    bottom: -20px;
    width: 110px;
    height: 90px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: var(--spacing-2);
}

.cs-bars-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 100%;
    width: 100%;
}

.cs-bar {
    width: 14px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    background-color: rgba(0, 71, 255, 0.15);
    transition: height 1s ease-out;
}

.cs-bar:nth-child(1) { height: 35%; }
.cs-bar:nth-child(2) { height: 55%; }
.cs-bar:nth-child(3) { height: 80%; background-color: var(--color-primary); }
.cs-bar:nth-child(4) { height: 45%; }
.cs-bar:nth-child(5) { height: 65%; }

/* Card 3: Pie Circle */
.cs-card-pie {
    right: -25px;
    bottom: 30px;
    width: 90px;
    height: 90px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.cs-pie-ring {
    position: relative;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: conic-gradient(var(--color-primary) 0% 70%, rgba(0, 71, 255, 0.1) 70% 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs-pie-ring::after {
    content: '';
    position: absolute;
    width: 48px;
    height: 48px;
    background-color: #ffffff;
    border-radius: 50%;
}

/* Animations for browser cards */
@keyframes float-gentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.cs-card-traffic { animation: float-gentle 5s ease-in-out infinite; }
.cs-card-pie { animation: float-gentle 6s ease-in-out infinite 0.5s; }

/* Responsive tweaks for Hero Visual */
@media (max-width: 768px) {
    .cs-hero-browser {
        height: 300px;
    }
    .cs-browser-frame {
        height: 220px;
    }
    .cs-card-traffic { left: 10px; top: 20px; scale: 0.9; }
    .cs-card-bars { left: 20px; bottom: -10px; scale: 0.85; }
    .cs-card-pie { right: 10px; bottom: 20px; scale: 0.85; }
}

/* 3. Filter Category Navigation */
.cs-filter-section {
    padding-top: var(--spacing-16);
    background-color: var(--color-bg-white);
}

.cs-filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-12);
}

.cs-filter-btn {
    padding: var(--spacing-2) var(--spacing-5);
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-body);
    transition: all var(--transition-fast);
}

.cs-filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(0, 71, 255, 0.02);
}

.cs-filter-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-white);
    box-shadow: 0 4px 12px rgba(0, 71, 255, 0.2);
}

/* 4. Case Studies Grid & Cards */
.cs-grid-section {
    padding-bottom: var(--spacing-16);
    background-color: var(--color-bg-white);
}

.cs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
}

@media (max-width: 1200px) {
    .cs-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 991px) {
    .cs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 576px) {
    .cs-grid {
        grid-template-columns: 1fr;
    }
}

.cs-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    opacity: 1;
    transform: scale(1);
    height: 100%;
}

/* Filtering Animations */
.cs-card.hidden {
    opacity: 0;
    transform: scale(0.9);
    display: none;
}

.cs-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 71, 255, 0.25);
    box-shadow: var(--shadow-lg);
}

/* Card Header Image */
.cs-card-img-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.cs-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.cs-card:hover .cs-card-img {
    transform: scale(1.05);
}

/* Card Badge positioning */
.cs-card-badge {
    position: absolute;
    bottom: var(--spacing-3);
    left: var(--spacing-3);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 5;
    box-shadow: var(--shadow-sm);
}

/* Theme styling for different category badges */
.badge--business { background-color: var(--color-primary); color: #ffffff; }
.badge--ecommerce { background-color: #FF6B00; color: #ffffff; }
.badge--realestate { background-color: #00B8D4; color: #ffffff; }
.badge--restaurant { background-color: #d5327b; color: #ffffff; }
.badge--education { background-color: #7B1FA2; color: #ffffff; }

/* Card Content Details */
.cs-card-content {
    padding: var(--spacing-5);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.cs-card-title {
    font-size: var(--font-size-base);
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-2);
    line-height: 1.3;
}

.cs-card-desc {
    font-size: var(--font-size-xs);
    color: var(--color-text-body);
    line-height: 1.5;
    margin-bottom: var(--spacing-5);
    flex-grow: 1;
}

/* Key Metrics Statistics inside cards */
.cs-metrics-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-4) 0;
    margin-bottom: var(--spacing-4);
}

.cs-metric-item {
    display: flex;
    flex-direction: column;
}

.cs-metric-value {
    font-size: var(--font-size-base);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.1;
    margin-bottom: 2px;
}

.cs-metric-label {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--color-text-light);
}

/* Direct link in card */
.cs-card-link {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    align-self: flex-start;
    transition: color var(--transition-fast);
}

.cs-card-link i {
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.cs-card:hover .cs-card-link {
    color: var(--color-primary-hover);
}

.cs-card:hover .cs-card-link i {
    transform: translateX(4px);
}

/* 5. Centered Pagination */
.cs-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-6);
}

.cs-page-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-body);
    transition: all var(--transition-fast);
}

.cs-page-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(0, 71, 255, 0.02);
}

.cs-page-link.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-white);
}

.cs-page-link.dots {
    border: none;
    cursor: default;
    pointer-events: none;
}

/* 6. Counters Stats Strip */
.cs-stats-strip {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-8) 0;
}

.cs-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    align-items: center;
    text-align: center;
}

@media (max-width: 991px) {
    .cs-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-8) var(--spacing-4);
    }
}
@media (max-width: 480px) {
    .cs-stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
}

.cs-stat-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    text-align: left;
    max-width: 240px;
    margin: 0 auto;
}

.cs-stat-item-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(0, 71, 255, 0.08);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.cs-stat-item-text {
    display: flex;
    flex-direction: column;
}

.cs-stat-item-num {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-text-dark);
    line-height: 1.1;
}

.cs-stat-item-lbl {
    font-size: var(--font-size-xs);
    color: var(--color-text-body);
    font-weight: 500;
    margin-top: 2px;
}

/* 7. Call To Action Strip */
.cs-cta-section {
    padding: var(--spacing-16) 0;
    background-color: var(--color-bg-white);
}

.cs-cta-box {
    background: var(--color-secondary);
    color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-10) var(--spacing-12);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 991px) {
    .cs-cta-box {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-6);
        padding: var(--spacing-8) var(--spacing-6);
    }
}

/* Large "WS" watermark background overlay */
.cs-cta-box::after {
    content: 'WS';
    position: absolute;
    right: 2%;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-family-heading);
    font-size: 12rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
    z-index: 1;
}

.cs-cta-content {
    position: relative;
    z-index: 2;
    max-width: 60%;
}

@media (max-width: 991px) {
    .cs-cta-content {
        max-width: 100%;
    }
}

.cs-cta-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-bg-white);
    margin-bottom: var(--spacing-2);
}

.cs-cta-title span.highlight {
    color: #00D2FF;
}

.cs-cta-desc {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.cs-cta-btn {
    position: relative;
    z-index: 2;
    background-color: var(--color-bg-white);
    color: var(--color-primary);
    border: none;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    white-space: nowrap;
}

.cs-cta-btn:hover {
    background-color: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}