/* ============================================================
   CASE STUDIES — Finance Partners
   ============================================================ */

/* ─── Hero ─────────────────────────────────────────────────── */
.cs-hero {
    min-height: 55vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 8rem;
    padding-bottom: 4rem;
    text-align: center;
    overflow: hidden;
}

.cs-hero .container {
    position: relative;
    z-index: 1;
}

.cs-hero h1 {
    margin-bottom: 1.5rem;
}

.cs-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.cs-hero-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

/* ─── Tabs Navigation ───────────────────────────────────────── */
.cs-nav-section {
    padding: 0;
    border-bottom: 1px solid var(--border-color);
}

.cs-tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.cs-tabs::-webkit-scrollbar {
    display: none;
}

.cs-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1.75rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.cs-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.cs-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
}

.cs-tab-icon {
    font-size: 1.1rem;
}

/* ─── Panels ────────────────────────────────────────────────── */
.cs-panel {
    display: none;
}

.cs-panel.active {
    display: block;
}

/* ─── Overview Block ────────────────────────────────────────── */
.cs-overview {
    margin-bottom: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
}

.cs-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.9rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.cs-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-weight: 400;
}

.cs-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
}

.cs-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.cs-meta-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.cs-meta-item span:last-child {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ─── 2-col Problem/Solution Grid ───────────────────────────── */
.cs-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.cs-text-block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem;
    transition: var(--transition);
}

.cs-text-block:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.cs-text-block h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cs-text-block p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.cs-challenge-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.cs-challenge-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.cs-challenge-icon {
    flex-shrink: 0;
    font-weight: 700;
    width: 18px;
    text-align: center;
}

.cs-challenge-icon.negative {
    color: #ff5555;
}

.cs-challenge-icon.positive {
    color: #4BB543;
}

/* ─── KPI Row ────────────────────────────────────────────────── */
.cs-kpi-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.cs-kpi {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cs-kpi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    opacity: 0;
    transition: var(--transition);
}

.cs-kpi:hover::before {
    opacity: 1;
}

.cs-kpi:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.3);
}

.cs-kpi-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 0.6rem;
    font-family: var(--font-sans);
}

.cs-kpi-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ─── Charts Grid ────────────────────────────────────────────── */
.cs-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.cs-chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
}

.cs-chart-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.cs-chart-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.cs-chart-wrap {
    position: relative;
    height: 220px;
}

.cs-chart-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

/* ─── Testimonial ────────────────────────────────────────────── */
.cs-testimonial {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-left: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    padding: 2.5rem;
    margin-top: 1rem;
}

.cs-quote {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 1.5rem;
    position: relative;
}

.cs-quote::before {
    content: '"';
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
    top: -1.5rem;
    left: -0.5rem;
    font-family: Georgia, serif;
    line-height: 1;
}

.cs-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cs-author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.cs-author-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
}

.cs-author-role {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* ─── Bottom CTA ─────────────────────────────────────────────── */
.cs-cta-section {
    padding: 6rem 0;
}

.cs-cta-box {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cs-cta-box h2 {
    margin-bottom: 1rem;
}

.cs-cta-box p {
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 900px) {
    .cs-kpi-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .cs-charts-grid {
        grid-template-columns: 1fr;
    }

    .cs-grid-2 {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ─── Privacy Disclaimer ─────────────────────────────────────── */
.cs-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 3px solid rgba(255, 255, 255, 0.35);
    border-radius: 8px;
    padding: 1.1rem 1.5rem;
    margin: 2rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.cs-disclaimer strong { color: var(--text-primary); }
.cs-disclaimer-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }

@media (max-width: 600px) {
    .cs-kpi-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .cs-kpi-value { font-size: 2rem; }
    .cs-tab { padding: 1rem 1.25rem; font-size: 0.82rem; }
    .cs-meta-row { gap: 1.5rem; }
}