.logo-icon {
            height: 40px !important;
        }
        .case-study-hero {
            padding: 60px 0;
            background-color: #f9fafb;
            background-image: url('../../images/HR.png');
            background-size: cover;
            background-position: center 130%;
            background-attachment: fixed;
            position: relative;
        }

        .case-study-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.55);
            filter: saturate(0.5);
            pointer-events: none;
            z-index: 1;
        }

        .hero-video-container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 30px;
            aspect-ratio: 16 / 9;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.24);
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-video-container video {
            width: 100%;
            height: 100%;
            display: block;
            object-fit: cover;
        }

        .employee-title-card-wrap {
            position: absolute;
            top: 24px;
            left: 24px;
            right: 24px;
            display: flex;
            justify-content: center;
            pointer-events: none;
            z-index: 2;
        }

        .employee-overlay-card {
            background: rgba(0, 0, 0, 0.30);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 18px 26px;
            border-radius: 10px;
            max-width: min(85%, 760px);
            text-align: center;
        }

        .employee-overlay-card h2 {
            margin: 0;
            color: #ffffff;
            font-family: 'Kallisto', sans-serif;
            font-size: 30px;
            line-height: 1.35;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
        }

        .employee-overlay-card p {
            margin: 10px 0 0;
            color: #dbeafe;
            font-size: 16px;
            line-height: 1.5;
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
            padding: 80px 30px;
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }

        .hero-content h1 {
            font-family: 'Kallisto', sans-serif;
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .hero-content .hero-subtitle {
            font-size: 20px;
            opacity: 0.92;
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .hero-content .hero-tagline {
            font-size: 15px;
            opacity: 0.72;
            font-style: italic;
        }

        .case-study-content {
            padding: 80px 0;
            background-color: white;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

        .case-study-text-section {
            max-width: 900px;
            margin: 0 auto 70px;
            padding: 0 30px;
        }

        .case-study-text-section h1, .case-study-text-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #111827;
            margin-bottom: 30px;
            line-height: 1.4;
            text-align: center;
            font-family: 'Kallisto', sans-serif;
        }

        .case-study-text-section p {
            font-size: 16px;
            line-height: 1.8;
            color: #374151;
            margin-bottom: 18px;
        }

        .case-study-content h3,
        .result-heading {
            font-family: 'Kallisto', sans-serif;
        }

        .result-box {
            background-color: #f0f4ff;
            border-left: 4px solid #6366f1;
            padding: 15px 20px;
            border-radius: 4px;
            margin: 20px 0;
            font-style: italic;
        }

        .result-box strong {
            color: #6366f1;
        }

        /* -- Learned section -- */
        .learned-section {
            margin-top: 50px;
            margin-bottom: 50px;
        }

        .learned-section h3 {
            font-family: 'Kallisto', sans-serif;
            font-size: 26px;
            font-weight: 700;
            color: #111827;
            text-align: center;
            margin-bottom: 32px;
        }

        .learned-quote-card {
            position: relative;
            background: linear-gradient(135deg, #6366f1, #818cf8);
            color: #fff;
            border-radius: 16px;
            padding: 36px 40px;
            margin-bottom: 36px;
            box-shadow: 0 8px 32px rgba(99, 102, 241, 0.25);
            overflow: hidden;
        }

        .learned-quote-card::before {
            content: '\201C';
            position: absolute;
            top: -10px;
            left: 18px;
            font-size: 120px;
            font-family: Georgia, serif;
            opacity: 0.15;
            line-height: 1;
        }

        .learned-quote-card .quote-main {
            font-family: 'Kallisto', sans-serif;
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .learned-quote-card .quote-sub {
            font-size: 15px;
            line-height: 1.7;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }

        .learned-insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 10px;
        }

        .learned-insight-card {
            background: #ffffff;
            border: 1px solid #e5e7eb;
            border-radius: 14px;
            padding: 28px 24px;
            position: relative;
            transition: box-shadow 0.3s ease, transform 0.3s ease, background 0.3s ease;
        }

        .learned-insight-card:hover {
            background: #fafbfc;
            box-shadow: 0 12px 32px rgba(99, 102, 241, 0.12);
            transform: translateY(-4px);
        }

        .learned-insight-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 26px;
        }

        .learned-insight-icon.gold-bg {
            background: linear-gradient(135deg, #fef3c7, #fde68a);
        }

        .learned-insight-icon.blue-bg {
            background: linear-gradient(135deg, #dbeafe, #bfdbfe);
        }

        .learned-insight-icon.red-bg {
            background: linear-gradient(135deg, #fee2e2, #fecaca);
        }

        .impact-grid {
            margin-top: 24px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .impact-card {
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            background: #f9fafb;
            padding: 20px;
            text-align: center;
        }

        .impact-label {
            font-size: 16px;
            color: #111827;
            margin-bottom: 8px;
            font-family: 'Kallisto', sans-serif;
        }

        .impact-value {
            font-size: 48px;
            line-height: 1;
            color: #4d7c0f;
            font-weight: 700;
        }

        /* -- Limitation bullets -- */
        .limitation-list {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }

        .limitation-list li {
            padding: 10px 0 10px 32px;
            position: relative;
            font-size: 16px;
            line-height: 1.7;
            color: #374151;
        }

        .limitation-list li::before {
            content: '\26A0\FE0F';
            position: absolute;
            left: 0;
            top: 10px;
        }

        /* -- Table Section -- */
        .satisfaction-table-wrapper {
            max-width: 900px;
            margin: 40px auto;
            overflow-x: auto;
        }

        .satisfaction-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            font-family: 'Inter', sans-serif;
        }

        .satisfaction-table thead th {
            background: #111827;
            color: #fff;
            font-family: 'Kallisto', sans-serif;
            font-weight: 700;
            padding: 14px 18px;
            text-align: left;
        }

        .satisfaction-table thead th:nth-child(2),
        .satisfaction-table thead th:nth-child(3) {
            text-align: center;
        }

        .satisfaction-table tbody td {
            padding: 12px 18px;
            border-bottom: 1px solid #e5e7eb;
            color: #374151;
        }

        .satisfaction-table tbody td:nth-child(2),
        .satisfaction-table tbody td:nth-child(3) {
            text-align: center;
            font-weight: 600;
        }

        .satisfaction-table tbody tr:hover {
            background: #f9fafb;
        }

        .satisfaction-table .highlight-row {
            background: #fef3c7;
        }

        .satisfaction-table .rank-badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 700;
        }

        .rank-1 { background: linear-gradient(90deg, #f7e58d, #f5d348); color: #111827; }
        .rank-2 { background: linear-gradient(90deg, #9cd0ff, #71b9ff); color: #111827; }
        .rank-3 { background: linear-gradient(90deg, #ffb39c, #ff8c6b); color: #111827; }

        /* -- Graph Section -- */
        .case-study-graph-section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 30px;
        }

        .case-study-graph-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #111827;
            margin-bottom: 14px;
            text-align: center;
            line-height: 1.4;
            font-family: 'Kallisto', sans-serif;
        }

        .graph-subtitle {
            text-align: center;
            color: #475569;
            margin-bottom: 28px;
        }

        /* -- MDF Chart -- */
        .mdf {
            max-width: 900px;
            margin: 40px auto;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            border-radius: 14px;
            overflow: hidden;
            background: #ffffff;
        }

        .case-study-content h3,
        .slogan-msg,
        .mdf .slogan-row:first-child div {
            font-family: 'Kallisto', sans-serif;
        }

        .slogan-row {
            display: grid;
            grid-template-columns: 2.2fr 160px 200px;
            align-items: center;
            column-gap: 12px;
            border-bottom: 3px solid #e5e7eb;
            padding: 10px 14px;
        }

        .slogan-row.head {
            background: #111827;
            color: white;
            font-weight: 700;
            font-family: 'Kallisto', sans-serif;
            border-radius: 14px;
        }

        .slogan-msg {
            font-weight: 700;
            font-size: 16px;
            color: #111827;
            padding-right: 10px;
        }

        .benefits-bar {
            position: relative;
            height: 38px;
            background: #eef2fb;
            border-radius: 20px;
            overflow: hidden;
        }

        .benefits-bar-fill {
            height: 100%;
            position: absolute;
            left: 0;
            top: 0;
        }

        @keyframes fillBar {
            from {
                width: 0% !important;
            }
            to {
                width: var(--final-width) !important;
            }
        }

        .mdf.animate-bars .benefits-bar-fill {
            animation: fillBar 1.6s ease-out forwards;
        }

        .benefits-value {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-weight: 700;
            font-family: 'Kallisto', sans-serif;
            font-size: 15px;
            color: #111827;
        }

        .gold { background: linear-gradient(90deg, #f7e58d, #f5d348); }
        .silver { background: linear-gradient(90deg, #9cd0ff, #71b9ff); }
        .bronze { background: linear-gradient(90deg, #ffb39c, #ff8c6b); }
        .neutral { background: #ccd3e5; }

        .header-score {
            text-align: center;
        }

        .sat-bar {
            position: relative;
            height: 38px;
            background: #f3f0ff;
            border-radius: 20px;
            overflow: hidden;
        }

        .sat-bar-fill {
            height: 100%;
            position: absolute;
            left: 0;
            top: 0;
            background: linear-gradient(90deg, #c4b5fd, #8b5cf6);
            border-radius: 20px 0 0 20px;
        }

        .mdf.animate-bars .sat-bar-fill {
            animation: fillBar 1.6s ease-out forwards;
        }

        .sat-bar-value {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-weight: 700;
            font-family: 'Kallisto', sans-serif;
            font-size: 15px;
            color: #111827;
        }

        /* -- Priority Matrix -- */
        .priority-matrix-section {
            max-width: 900px;
            margin: 80px auto 0;
            padding: 0 30px;
        }

        .priority-matrix-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #111827;
            margin-bottom: 14px;
            text-align: center;
            line-height: 1.4;
            font-family: 'Kallisto', sans-serif;
        }

        .quadrant-labels {
            display: none;
        }

        /* -- Conclusion -- */
        .conclusion-box {
            max-width: 900px;
            margin: 60px auto 0;
            padding: 30px 40px;
            background: linear-gradient(135deg, #f0f4ff, #e8ecff);
            border-radius: 16px;
            border-left: 5px solid #6366f1;
        }

        .conclusion-box h3 {
            font-family: 'Kallisto', sans-serif;
            font-size: 22px;
            font-weight: 700;
            color: #111827;
            margin-bottom: 14px;
        }

        .conclusion-box p {
            font-size: 16px;
            line-height: 1.8;
            color: #374151;
            margin-bottom: 10px;
        }

        /* -- Implementation Steps -- */
        .implementation-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .implementation-card {
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            background: #f9fafb;
            padding: 24px 20px;
            text-align: center;
        }

        .implementation-card .impl-icon {
            font-size: 32px;
            margin-bottom: 12px;
        }

        .implementation-card .impl-label {
            font-size: 16px;
            font-weight: 700;
            color: #111827;
            margin-bottom: 6px;
            font-family: 'Kallisto', sans-serif;
        }

        .implementation-card .impl-text {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.5;
        }

        /* -- Chart Info Tooltip -- */
        .chart-info {
            display: flex;
            justify-content: center;
            position: relative;
            margin: 4px 0 12px;
        }
        .chart-info .info-trigger {
            cursor: help;
            color: #6366f1;
            font-size: 13px;
            font-weight: 500;
            font-family: 'Inter', sans-serif;
            padding: 3px 10px;
            border-radius: 16px;
            background: #eef2ff;
            transition: background 0.2s;
        }
        .chart-info .info-trigger:hover { background: #e0e7ff; }
        .chart-info .info-tooltip {
            visibility: hidden;
            opacity: 0;
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%);
            width: 380px;
            padding: 14px 16px;
            background: #1e293b;
            color: #f1f5f9;
            font-size: 13px;
            line-height: 1.7;
            border-radius: 10px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.18);
            z-index: 100;
            transition: opacity 0.2s, visibility 0.2s;
            font-family: 'Inter', sans-serif;
            font-weight: 400;
            text-align: left;
            white-space: pre-line;
        }
        .chart-info .info-tooltip::before {
            content: '';
            position: absolute;
            top: -6px;
            left: 50%;
            transform: translateX(-50%);
            border-left: 7px solid transparent;
            border-right: 7px solid transparent;
            border-bottom: 7px solid #1e293b;
        }
        .chart-info:hover .info-tooltip {
            visibility: visible;
            opacity: 1;
        }

        /* -- Study Info Box -- */
        .study-info-box {
            margin-top: 36px;
            padding: 28px 32px;
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            border: 1px solid #e2e8f0;
            border-radius: 14px;
            font-size: 14px;
            color: #475569;
            line-height: 1.7;
        }
        .study-info-box .info-header {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: #334155;
            margin-bottom: 16px;
            font-family: 'Kallisto', sans-serif;
        }
        .study-info-box .info-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin-top: 18px;
        }
        .study-info-box .info-card {
            text-align: center;
            padding: 16px 12px;
            background: #fff;
            border-radius: 10px;
            border: 1px solid #e2e8f0;
        }
        .study-info-box .info-card .info-icon { font-size: 24px; margin-bottom: 6px; }
        .study-info-box .info-card .info-label { font-size: 12px; color: #94a3b8; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
        .study-info-box .info-card .info-value { font-size: 20px; font-weight: 700; color: #1e293b; margin-top: 4px; }
        .study-info-box .info-card .info-value .info-flag { vertical-align: middle; }
        .study-info-box .info-card .info-value .info-flag--square { width: 26px; height: 26px; }
        .study-info-box .info-disclaimer { margin-top: 16px; font-size: 13px; color: #94a3b8; font-style: italic; }

        @media (max-width: 900px) {
            .study-info-box .info-grid { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 30px; }
            .hero-content { padding: 50px 20px; }
            .hero-video-container { padding: 0 18px; }
            .employee-title-card-wrap { top: 16px; left: 16px; right: 16px; }
            .employee-overlay-card h2 { font-size: 22px; }
            .employee-overlay-card p { font-size: 14px; }
        }
        @media (max-width: 860px) {
            .slogan-row { grid-template-columns: 1fr; }
            .impact-grid { grid-template-columns: 1fr; }
            .impact-value { font-size: 36px; }
            .learned-insights-grid { grid-template-columns: 1fr; }
            .implementation-grid { grid-template-columns: 1fr; }
            .learned-quote-card { padding: 28px 24px; }
            .learned-quote-card .quote-main { font-size: 19px; }
        }

        @media (max-width: 480px) {
            .chart-info .info-tooltip { width: calc(100vw - 40px); left: 50%; transform: translateX(-50%); }
            #productMixChart { height: 280px; }
            #bubble-chart { height: 350px; }
        }