* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #2c3e50; background: #f4f6f9; }

        /* ============ PREMIUM ENTERPRISE HERO ============ */
        body {
            font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, Tahoma, sans-serif;
            line-height: 1.6; color: #2c3e50; background: #f4f6f9;
            -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
        }

        .header {
            position: relative; overflow: hidden; color: #fff;
            background:
              radial-gradient(1100px 600px at 88% 18%, rgba(56,118,255,0.22), transparent 60%),
              radial-gradient(700px 500px at 10% 95%, rgba(20,64,160,0.25), transparent 65%),
              linear-gradient(135deg, #05070d 0%, #0a1224 45%, #0e1a35 100%);
            padding: 0;
        }
        .header::after {
            content: ''; position: absolute; bottom: -1px; left: 0; right: 0;
            height: 1px; background: linear-gradient(90deg, transparent, rgba(125,164,255,0.35), transparent);
        }
        .header-grid-bg {
            position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
            background-image:
              linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
              linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
            background-size: 64px 64px;
            mask-image: radial-gradient(ellipse at 30% 50%, black 30%, transparent 75%);
            -webkit-mask-image: radial-gradient(ellipse at 30% 50%, black 30%, transparent 75%);
        }
        .hero-inner {
            position: relative; max-width: 1240px; margin: 0 auto;
            padding: 2.25rem 3rem 4rem;
        }
        .hero-topbar {
            display: flex; align-items: center; justify-content: space-between;
            padding-bottom: 3.5rem;
        }
        .hero-logo { height: 42px; width: auto; display: block; filter: brightness(1.05); }
        .hero-topbar-right {
            font-size: 0.72rem; letter-spacing: 3px; text-transform: uppercase;
            color: rgba(255,255,255,0.55); font-weight: 500;
        }
        .hero-topbar-right .dot {
            display: inline-block; width: 6px; height: 6px; border-radius: 50%;
            background: #3b82f6; box-shadow: 0 0 12px #3b82f6; margin-right: 8px; vertical-align: middle;
        }

        .hero-body {
            display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.05fr);
            gap: 3rem; align-items: center; min-height: 520px;
        }
        .hero-copy { max-width: 640px; }
        .ai-badge {
            display: inline-flex; align-items: center; gap: 0.6rem;
            background: rgba(59,130,246,0.08);
            border: 1px solid rgba(125,164,255,0.35);
            color: #cfe0ff; border-radius: 999px;
            padding: 0.45rem 1rem; font-size: 0.74rem; font-weight: 600;
            letter-spacing: 1.6px; text-transform: uppercase;
            margin-bottom: 2rem; backdrop-filter: blur(8px);
        }
        .ai-badge::before {
            content: ''; width: 6px; height: 6px; border-radius: 50%;
            background: #3b82f6; box-shadow: 0 0 10px rgba(59,130,246,0.9);
        }
        .header h1 {
            font-family: 'Inter', 'Segoe UI', sans-serif;
            font-size: clamp(2.1rem, 3.5vw, 3.4rem);
            font-weight: 700; line-height: 1.02; letter-spacing: -0.025em;
            margin: 0 0 1.4rem;
            background: linear-gradient(180deg, #ffffff 0%, #c9d7ee 100%);
            -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
        }
        .header h1 .accent { color: #7dafff; -webkit-text-fill-color: #7dafff; }
        .header .subtitle {
            font-size: 1.06rem; line-height: 1.65; font-weight: 400;
            color: rgba(220,231,250,0.78); max-width: 560px; margin: 0;
        }

        .hero-visual { position: relative; height: 540px; margin-right: -1.5rem; }
        .hero-visual svg { width: 100%; height: 100%; display: block; filter: saturate(1.1) brightness(1.08); opacity: 0.95; }

        .header-meta {
            position: relative;
            display: grid; grid-template-columns: repeat(4, 1fr);
            gap: 0; margin-top: 3.5rem;
            border-top: 1px solid rgba(255,255,255,0.10);
            padding-top: 1.75rem;
        }
        .header-meta-item {
            padding: 0 1.5rem; border-left: 1px solid rgba(255,255,255,0.08);
            font-size: 0.78rem; color: rgba(220,231,250,0.6);
            letter-spacing: 0.4px;
        }
        .header-meta-item:first-child { border-left: none; padding-left: 0; }
        .header-meta-item strong {
            display: block; font-size: 1.55rem; font-weight: 600;
            color: #ffffff; letter-spacing: -0.01em; margin-bottom: 0.25rem;
            font-feature-settings: "tnum";
        }

        @media (max-width: 900px) {
            .hero-body { grid-template-columns: 1fr; gap: 2rem; min-height: auto; }
            .hero-visual { height: 280px; opacity: 0.6; }
            .hero-inner { padding: 1.5rem 1.5rem 2.5rem; }
            .hero-topbar { padding-bottom: 2rem; }
            .header-meta { grid-template-columns: repeat(2, 1fr); gap: 1rem 0; }
            .header-meta-item:nth-child(3) { border-left: none; padding-left: 0; }
        }

        .container { max-width: 1100px; margin: 0 auto; padding: 0 2rem 3rem; }

        .sec-wrap { margin-bottom: 1.25rem; }
        .sec-header {
            background: white; padding: 1.5rem 2.5rem; border-radius: 14px;
            cursor: pointer; display: flex; align-items: center; justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: background 0.2s;
        }
        .sec-wrap.open .sec-header { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
        .sec-header:hover { background: #f8fafd; }
        .sec-header h2 { margin: 0; font-size: 1.45rem; color: #0d2b4e; font-weight: 700; }
        .sec-header .sec-icon { font-size: 1.4rem; margin-right: 0.75rem; }
        .sec-header-left { display: flex; align-items: center; }
        .sec-toggle { font-size: 1.1rem; color: #1a4f8a; transition: transform 0.3s ease; flex-shrink: 0; margin-left: 1rem; }
        .sec-wrap.open .sec-toggle { transform: rotate(180deg); }
        .sec-body {
            max-height: 0; overflow: hidden; transition: max-height 0.5s ease-out;
            background: white; border-radius: 0 0 14px 14px; box-shadow: 0 4px 12px rgba(0,0,0,0.06);
        }
        .sec-body-inner { padding: 0.5rem 2.5rem 2.5rem; }
        .sec-wrap.open .sec-body { max-height: 20000px; transition: max-height 0.8s ease-in; }

        h2.standalone {
            color: #0d2b4e; font-size: 1.7rem; font-weight: 600;
            letter-spacing: -0.015em; line-height: 1.2;
            padding-bottom: 0; border-bottom: none;
            margin: 0 0 1.75rem; max-width: 760px;
        }
        h3 {
            color: #0d2b4e; font-size: 1.05rem; font-weight: 600;
            margin: 2.25rem 0 0.9rem; letter-spacing: -0.005em;
        }
        h4 { color: #0d2b4e; font-size: 0.97rem; margin: 1rem 0 0.5rem; font-weight: 600; }
        p { margin: 0.6rem 0; font-size: 0.96rem; }

        .highlight-box { background: #fbfcfd; border: 1px solid #e4e8ee; border-left: 2px solid #1a4f8a; padding: 1.1rem 1.4rem; margin: 1.25rem 0; border-radius: 6px; }
        .success-box { background: #fbfcfd; border: 1px solid #e4e8ee; border-left: 2px solid #1f8a5a; padding: 1.1rem 1.4rem; margin: 1.25rem 0; border-radius: 6px; }
        .ai-box { background: #fbfcfd; border: 1px solid #e4e8ee; border-left: 2px solid #2563eb; padding: 1.1rem 1.4rem; margin: 1.25rem 0; border-radius: 6px; }

        table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: 0.93rem; background: #fff; border: 1px solid #eef1f6; border-radius: 10px; overflow: hidden; }
        th, td { padding: 0.95rem 1.2rem; text-align: left; border-bottom: 1px solid #eef1f6; }
        th { background: #fbfcfd; font-weight: 600; color: #0d2b4e; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 1.4px; }
        tr:last-child td { border-bottom: none; }
        tr:hover td { background: #fafbfd; }

        .bullet-list { padding-left: 1.3rem; margin: 0.5rem 0; }
        .bullet-list li { margin: 0.4rem 0; font-size: 0.96rem; }

        .pillars-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; margin: 1.5rem 0; }
        .pillar-card { background: #ffffff; border: 1px solid #e4e8ee; border-radius: 12px; padding: 1.5rem 1.4rem; box-shadow: 0 1px 2px rgba(13,43,78,0.04); transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease; }
        .pillar-card:hover { border-color: #c9d6e8; transform: translateY(-3px); box-shadow: 0 12px 30px -18px rgba(13,43,78,0.22); }
        .pillar-card .pillar-icon { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 9px; background: #f4f7fb; border: 1px solid #e4e8ee; color: #1a4f8a; margin-bottom: 0.85rem; font-size: 0; }
        .pillar-card .pillar-icon svg { width: 18px; height: 18px; }
        .pillar-card h4 { margin: 0 0 0.45rem; color: #0d2b4e; font-size: 0.98rem; font-weight: 600; letter-spacing: -0.005em; }
        .pillar-card p { font-size: 0.86rem; color: #4a5568; margin: 0; line-height: 1.55; }

        /* ============ UNIFIED EXECUTIVE SECTION LAYOUT (all sections) ============ */
        .sec-body-inner {
            padding: 40px !important;
            background: #ffffff;
            border: 1px solid #e9edf3;
            border-radius: 16px;
            box-shadow: 0 1px 2px rgba(13,43,78,0.03);
        }
        .sec-body-inner > h2.standalone:first-child,
        .sec-body-inner > .about-title { margin-top: 0; margin-bottom: 1.25rem; }
        .sec-body-inner > .about-lead {
            font-size: 1.5rem; line-height: 1.3; font-weight: 600;
            color: #0d2b4e; letter-spacing: -0.018em;
            margin: 0 0 1.5rem; max-width: 880px;
        }
        .sec-body-inner > .about-body {
            font-size: 1.02rem; line-height: 1.7; color: #3a4a63;
            margin: 0 0 1.25rem; max-width: 880px;
        }
        .sec-body-inner > .about-body:last-of-type { margin-bottom: 2.5rem; }
        .about-rule {
            height: 1px; background: #eef1f6; margin: 2.5rem 0;
            border: 0;
        }
        .about-h3 {
            margin: 0 0 0.9rem;
            text-transform: uppercase; font-size: 0.78rem; font-weight: 600;
            letter-spacing: 0.08em; color: #6b7a93;
        }

        /* Unified 4-col grid shared by metrics + capabilities */
        .about-grid {
            display: grid; grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        @media (max-width: 980px) { .about-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 560px) { .about-grid { grid-template-columns: 1fr; } }

        .about-metrics { margin: 0 0 2.25rem; }
        .about-metrics .am-cell {
            padding: 1.25rem 1.25rem;
            background: #f8fafc;
            border: 1px solid #eef1f6;
            border-radius: 12px;
            display: flex; flex-direction: column; gap: 0.4rem;
        }
        .about-metrics .am-cell strong {
            font-size: 1.6rem; font-weight: 600; color: #0d2b4e;
            letter-spacing: -0.02em; line-height: 1.05;
        }
        .about-metrics .am-cell span {
            font-size: 0.82rem; color: #6b7a93; line-height: 1.45;
        }

        .about-pillars .ap-card {
            background: #ffffff; border: 1px solid #e4e8ee; border-radius: 12px;
            padding: 1.5rem 1.4rem;
            transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            display: flex; flex-direction: column;
        }
        .about-pillars .ap-card:hover {
            border-color: #c9d6e8; transform: translateY(-3px);
            box-shadow: 0 12px 30px -18px rgba(13,43,78,0.25);
        }
        .ap-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: 10px;
            background: #f4f7fb; border: 1px solid #e4e8ee;
            margin-bottom: 0.9rem; color: #1a4f8a;
        }
        .ap-icon svg { width: 20px; height: 20px; }
        .about-pillars h4 {
            font-size: 0.98rem; font-weight: 600; color: #0d2b4e;
            margin: 0 0 0.4rem; letter-spacing: -0.01em;
        }
        .about-pillars p {
            font-size: 0.85rem; line-height: 1.6; color: #4a5568; margin: 0;
        }

        .trust-eyebrow {
            font-size: 0.98rem; line-height: 1.6; color: #0d2b4e;
            font-weight: 500; max-width: 820px; margin: 0 0 1.5rem;
            letter-spacing: -0.005em;
        }
        .trust-logos {
            display: grid; grid-template-columns: repeat(6, 1fr);
            gap: 0; background: #fbfcfd;
            border: 1px solid #eef1f6; border-radius: 12px;
            overflow: hidden;
        }
        .trust-logos .tl-cell {
            display: flex; align-items: center; justify-content: center;
            height: 78px; padding: 1rem 1.25rem;
            border-right: 1px solid #eef1f6; border-bottom: 1px solid #eef1f6;
        }
        .trust-logos .tl-cell:nth-child(6n) { border-right: none; }
        .trust-logos .tl-cell:nth-child(n+13) { border-bottom: none; }
        .trust-logos .tl-cell img {
            height: 54px; width: 54px; object-fit: contain;
            opacity: 0.92;
            transition: opacity 0.3s ease, transform 0.3s ease;
        }
        .trust-logos .tl-cell img.tl-logo-wide {
            width: min(140px, 100%);
        }
        .trust-logos .tl-cell img.tl-logo-medium {
            width: min(112px, 80%);
        }
        .trust-logos .tl-cell img.tl-logo-large {
            width: min(160px, 112%);
            height: 64px;
            max-width: none;
        }
        .trust-logos .tl-cell img.tl-logo-nets {
            width: min(172px, 120%);
            height: 72px;
        }
        .trust-logos .tl-cell:hover img { opacity: 1; transform: scale(1.04); }
        @media (max-width: 980px) {
            .trust-logos { grid-template-columns: repeat(4, 1fr); }
            .trust-logos .tl-cell { border-right: 1px solid #eef1f6; border-bottom: 1px solid #eef1f6; }
            .trust-logos .tl-cell:nth-child(6n) { border-right: 1px solid #eef1f6; }
            .trust-logos .tl-cell:nth-child(n+13) { border-bottom: 1px solid #eef1f6; }
            .trust-logos .tl-cell:nth-child(4n) { border-right: none; }
            .trust-logos .tl-cell:nth-child(n+17) { border-bottom: none; }
        }
        @media (max-width: 560px) {
            .trust-logos { grid-template-columns: repeat(3, 1fr); }
            .trust-logos .tl-cell:nth-child(4n) { border-right: 1px solid #eef1f6; }
            .trust-logos .tl-cell:nth-child(3n) { border-right: none; }
            .trust-logos .tl-cell:nth-child(n+17) { border-bottom: 1px solid #eef1f6; }
            .trust-logos .tl-cell:nth-child(n+16) { border-bottom: none; }
        }

        .about-footprint p {
            font-size: 1rem; line-height: 1.7; color: #3a4a63;
            margin: 0; max-width: 980px;
        }

        @media (max-width: 720px) {
            .sec-body-inner { padding: 24px !important; border-radius: 12px; }
            .sec-body-inner > .about-lead { font-size: 1.2rem; }
            .about-rule { margin: 2rem 0; }
        }

        /* ============ EXECUTIVE CASE STUDY CARDS ============ */
        .case-study-grid {
            display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
            gap: 1.75rem; margin: 1.75rem 0 0;
        }
        @media (max-width: 1100px) { .case-study-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
        @media (max-width: 720px)  { .case-study-grid { grid-template-columns: 1fr; } }

        .case-card {
            position: relative; display: flex; flex-direction: column;
            background: #ffffff; border: 1px solid #e4e8ee; border-radius: 14px;
            padding: 1.25rem 1.25rem 1.1rem; cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            overflow: hidden;
            box-shadow: 0 1px 2px rgba(13,43,78,0.04);
        }
        .case-card::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
            background: linear-gradient(90deg, #0d2b4e 0%, #1a4f8a 60%, #3b82f6 100%);
            opacity: 0; transition: opacity 0.25s ease;
        }
        .case-card:hover, .case-card:focus-visible {
            transform: translateY(-4px); border-color: #c9d6e8;
            box-shadow: 0 18px 50px -20px rgba(13,43,78,0.28), 0 2px 8px rgba(13,43,78,0.06);
            outline: none;
        }
        .case-card:hover::before, .case-card:focus-visible::before { opacity: 1; }
        .case-card:hover .cs-cta { color: #0d2b4e; }
        .case-card:hover .cs-cta svg { transform: translateX(3px); }
        .case-card:hover .cs-preview { border-color: #c9d6e8; }

        .cs-head {
            display: flex; align-items: center; justify-content: space-between;
            gap: 1rem; margin-bottom: 0.95rem; min-height: 32px;
        }
        .cs-logo {
            height: 36px; width: 36px;
            display: inline-flex; align-items: center; justify-content: flex-start;
        }
        .cs-logo img {
            height: 36px; width: 36px;
            object-fit: contain; object-position: left center;
            opacity: 0.95;
            transition: opacity 0.25s ease, transform 0.25s ease;
        }
        .case-card:hover .cs-logo img { opacity: 1; transform: scale(1.04); }
        .cs-logo-mono {
            display: none; font-size: 0.92rem; font-weight: 700; letter-spacing: -0.01em;
            color: #0d2b4e; padding: 0.25rem 0.55rem;
            background: #f4f7fb; border: 1px solid #e4e8ee; border-radius: 6px;
        }
        .cs-logo.cs-logo-fallback .cs-logo-mono { display: inline-block; }
        .cs-industry {
            font-size: 0.66rem; letter-spacing: 1.8px; text-transform: uppercase;
            color: #6b7a93; font-weight: 600; text-align: right;
        }

        .cs-preview {
            position: relative; aspect-ratio: 16 / 9;
            border-radius: 10px; overflow: hidden;
            background: linear-gradient(135deg, #f6f9fd 0%, #eef3fa 100%);
            border: 1px solid #e4e8ee;
            margin-bottom: 1rem;
            transition: border-color 0.25s ease;
        }
        .cs-preview svg { width: 100%; height: 100%; display: block; }
        .cs-preview .cs-preview-overlay {
            position: absolute; inset: 22px 0 0 0;
            background: linear-gradient(180deg, rgba(255,255,255,0) 60%, rgba(13,43,78,0.04) 100%);
            pointer-events: none;
        }

        .cs-title {
            font-size: 1.05rem; font-weight: 600; color: #0d2b4e;
            line-height: 1.32; letter-spacing: -0.012em; margin: 0 0 0.55rem;
        }
        .cs-summary {
            font-size: 0.86rem; line-height: 1.5; color: #4a5568;
            margin: 0 0 0.9rem;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cs-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1rem; }
        .cs-tag {
            font-size: 0.68rem; font-weight: 500; color: #0d2b4e;
            background: #f4f7fb; border: 1px solid #e4e8ee;
            padding: 0.25rem 0.55rem; border-radius: 4px;
            letter-spacing: 0.2px;
        }
        .cs-foot {
            margin-top: auto; padding-top: 1.1rem; border-top: 1px solid #eef1f6;
            display: flex; align-items: center; justify-content: space-between; gap: 1rem;
        }
        .cs-metric { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
        .cs-metric-value {
            font-size: 1rem; font-weight: 700; color: #0d2b4e;
            letter-spacing: -0.01em; font-feature-settings: "tnum";
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
        }
        .cs-metric-label {
            font-size: 0.62rem; letter-spacing: 1.5px; text-transform: uppercase;
            color: #8a96ad; font-weight: 600; margin-top: 0.25rem;
        }
        .cs-cta {
            display: inline-flex; align-items: center; gap: 0.5rem;
            font-size: 0.82rem; font-weight: 600; color: #0d2b4e;
            letter-spacing: 0.2px; white-space: nowrap;
            padding: 0.55rem 0.95rem; border: 1px solid #d6deea; border-radius: 999px;
            background: #ffffff; transition: all 0.25s ease;
        }
        .case-card:hover .cs-cta {
            background: #0d2b4e; color: #ffffff; border-color: #0d2b4e;
        }
        .cs-cta svg { width: 13px; height: 13px; transition: transform 0.25s ease; }
        .case-card:hover .cs-cta svg { transform: translateX(3px); }

        /* ============ CASE STUDY MODAL ============ */
        .cs-modal-backdrop {
            position: fixed; inset: 0; background: rgba(5, 12, 26, 0.78);

            backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
            display: none; align-items: center; justify-content: center;
            z-index: 9999; padding: 2rem; opacity: 0; transition: opacity 0.25s ease;
        }
        .cs-modal-backdrop.open { display: flex; opacity: 1; }
        .cs-modal {
            position: relative; background: #ffffff; border-radius: 18px;
            width: 100%; max-width: 1040px; max-height: 92vh; overflow: hidden;
            display: flex; flex-direction: column;
            box-shadow: 0 30px 90px rgba(0,0,0,0.45);
            transform: translateY(12px) scale(0.98); transition: transform 0.3s ease;
        }
        .cs-modal-backdrop.open .cs-modal { transform: translateY(0) scale(1); }
        .cs-modal-hero {
            background:
              radial-gradient(800px 400px at 100% 0%, rgba(59,130,246,0.28), transparent 60%),
              linear-gradient(135deg, #05070d 0%, #0a1224 50%, #0e1a35 100%);
            color: #fff; padding: 2.25rem 2.75rem 2rem; position: relative;
            border-bottom: 1px solid rgba(125,164,255,0.18);
        }
        .cs-modal-hero .cs-modal-eyebrow {
            font-size: 0.7rem; letter-spacing: 2.4px; text-transform: uppercase;
            color: #7dafff; font-weight: 600; margin-bottom: 0.85rem;
        }
        .cs-modal-hero h2 {
            font-size: 1.75rem; font-weight: 600; line-height: 1.2;
            color: #fff; margin: 0 0 0.7rem; letter-spacing: -0.018em;
        }
        .cs-modal-hero .cs-modal-client {
            font-size: 0.9rem; color: rgba(220,231,250,0.7);
            letter-spacing: 0.3px;
        }
        .cs-modal-close {
            position: absolute; top: 1.25rem; right: 1.25rem;
            width: 38px; height: 38px; border-radius: 50%;
            background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
            color: #fff; cursor: pointer; display: inline-flex;
            align-items: center; justify-content: center;
            transition: background 0.2s ease;
        }
        .cs-modal-close:hover { background: rgba(255,255,255,0.18); }
        .cs-modal-close svg { width: 16px; height: 16px; }

        .cs-modal-body {
            padding: 2rem 2.75rem 2.25rem; overflow-y: auto; flex: 1;
            color: #2c3e50;
        }
        .cs-modal-image {
            margin: 0 0 1.75rem; border: 1px solid #e4e8ee; border-radius: 10px;
            overflow: hidden; background: #f6f9fd;
        }
        .cs-modal-image img {
            display: block; width: 100%; height: auto; max-height: 420px;
            object-fit: cover; object-position: top center;
        }
        .cs-modal-summary {
            font-size: 1rem; line-height: 1.65; color: #0d2b4e;
            padding: 1.1rem 1.4rem; background: #f6f9fd;
            border-left: 3px solid #1a4f8a; border-radius: 4px;
            margin-bottom: 2rem; font-weight: 500;
        }
        .cs-modal-cols {
            display: grid; grid-template-columns: 1fr 1fr; gap: 2.25rem;
            margin-bottom: 1.75rem;
            position: relative;
        }
        .cs-modal-cols::before {
            content: ''; position: absolute; top: 0; bottom: 0; left: 50%;
            width: 1px; background: #eef1f6; transform: translateX(-50%);
        }
        .cs-modal-col { display: flex; flex-direction: column; gap: 1.4rem; }
        .cs-modal-block h4 {
            font-size: 0.7rem; letter-spacing: 2.2px; text-transform: uppercase;
            color: #6b7a93; font-weight: 600;
            margin: 0 0 0.7rem; padding-bottom: 0.55rem;
            border-bottom: 1px solid #eef1f6;
        }
        .cs-modal-block p {
            font-size: 0.93rem; line-height: 1.65; color: #2c3e50; margin: 0;
        }
        .cs-modal-tech {
            display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.25rem;
        }
        .cs-modal-tech span {
            font-size: 0.76rem; color: #0d2b4e; background: #f4f7fb;
            border: 1px solid #e4e8ee; padding: 0.32rem 0.7rem; border-radius: 4px;
            font-weight: 500;
        }
        .cs-modal-tech-row { margin-top: 0.5rem; }
        .cs-modal-impact {
            margin-top: 0.4rem; padding: 1.25rem 1.4rem;
            background: linear-gradient(135deg, #0d2b4e, #1a4f8a);
            color: #fff; border-radius: 10px;
            display: flex; align-items: center; gap: 1.1rem;
        }
        .cs-modal-impact .imp-val {
            font-size: 1.45rem; font-weight: 700; letter-spacing: -0.01em;
            font-feature-settings: "tnum"; line-height: 1.1;
        }
        .cs-modal-impact .imp-lbl {
            font-size: 0.68rem; letter-spacing: 1.6px; text-transform: uppercase;
            color: rgba(255,255,255,0.7); font-weight: 600; margin-top: 0.3rem;
        }
        .cs-modal-impact-text {
            font-size: 0.88rem; color: rgba(255,255,255,0.88); line-height: 1.5;
        }

        @media (max-width: 820px) {
            .cs-modal-backdrop { padding: 0; }
            .cs-modal { max-width: 100%; max-height: 100vh; height: 100vh; border-radius: 0; }
            .cs-modal-hero { padding: 1.5rem 1.5rem 1.25rem; }
            .cs-modal-hero h2 { font-size: 1.3rem; }
            .cs-modal-body { padding: 1.25rem 1.5rem 2rem; }
            .cs-modal-cols { grid-template-columns: 1fr; gap: 1.25rem; }
            .cs-modal-cols::before { display: none; }
        }

        .engagement-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.25rem; margin: 1.75rem 0 0; }
        @media (max-width: 760px) { .engagement-grid { grid-template-columns: 1fr; } }
        .engagement-card { background: #ffffff; border: 1px solid #e4e8ee; border-radius: 14px; padding: 1.75rem 1.6rem 1.5rem; transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease; box-shadow: 0 1px 2px rgba(13,43,78,0.04); }
        .engagement-card:hover { border-color: #c9d6e8; transform: translateY(-3px); box-shadow: 0 14px 34px -20px rgba(13,43,78,0.25); }
        .engagement-card .eng-icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 10px; background: #f4f7fb; border: 1px solid #e4e8ee; color: #1a4f8a; margin-bottom: 1rem; }
        .engagement-card .eng-icon svg { width: 20px; height: 20px; }
        .engagement-card h4 { color: #0d2b4e; margin: 0 0 0.55rem; font-size: 1.05rem; font-weight: 600; letter-spacing: -0.01em; }
        .engagement-card p { font-size: 0.9rem; color: #4a5568; margin: 0 0 0.9rem; line-height: 1.55; }
        .engagement-card ul { padding-left: 0; list-style: none; margin: 0; }
        .engagement-card ul li { font-size: 0.85rem; color: #4a5568; margin: 0.4rem 0; padding-left: 0.95rem; position: relative; line-height: 1.5; }
        .engagement-card ul li::before { content: ''; position: absolute; left: 0; top: 0.55rem; width: 4px; height: 4px; border-radius: 50%; background: #c9d6e8; }

        /* AI MODEL */
        .ai-model-hero {
            background: linear-gradient(135deg, #050f1e 0%, #0d1f4a 60%, #1540a0 100%);
            border-radius: 16px; padding: 2.5rem; margin: 1.5rem 0; color: white; position: relative; overflow: hidden;
        }
        .ai-model-hero::before {
            content: ''; position: absolute; top: -40px; right: -40px;
            width: 200px; height: 200px; background: rgba(37,99,235,0.2); border-radius: 50%;
        }
        .ai-model-hero h3 { color: white; margin-top: 0; font-size: 1.3rem; }
        .ai-model-hero p { opacity: 0.88; font-size: 0.96rem; }
        .ai-equation { display: flex; align-items: center; justify-content: center; gap: 1.5rem; margin: 2rem 0; flex-wrap: wrap; }
        .ai-eq-block { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); border-radius: 12px; padding: 1rem 1.5rem; text-align: center; min-width: 120px; }
        .ai-eq-block .val { font-size: 2rem; font-weight: 800; }
        .ai-eq-block .lbl { font-size: 0.75rem; opacity: 0.7; letter-spacing: 1px; text-transform: uppercase; margin-top: 0.25rem; }
        .ai-eq-op { font-size: 2rem; font-weight: 300; opacity: 0.5; }
        .ai-eq-result { background: rgba(37,99,235,0.4); border-color: rgba(99,160,255,0.5); }
        .ai-eq-result .val { color: #7dd3fc; }

        .ai-impact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
        .ai-impact-card { background: white; border: 1px solid #e4e8ee; border-radius: 12px; padding: 1.4rem 1.4rem 1.3rem; box-shadow: 0 1px 2px rgba(13,43,78,0.04); transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease; }
        .ai-impact-card:hover { border-color: #c9d6e8; transform: translateY(-3px); box-shadow: 0 12px 30px -18px rgba(13,43,78,0.22); }

        .compare-table-wrap { overflow-x: auto; border: 1px solid #e4e8ee; border-radius: 10px; }
        .compare-table { width: 100%; border-collapse: collapse; margin: 0; font-size: 0.92rem; background: #fff; }
        .compare-table th { background: #f6f9fd; color: #0d2b4e; padding: 0.95rem 1.2rem; text-align: left; font-weight: 600; font-size: 0.78rem; letter-spacing: 1.5px; text-transform: uppercase; border-bottom: 1px solid #e4e8ee; }
        .compare-table td { padding: 0.85rem 1.2rem; border-bottom: 1px solid #eef1f6; }
        .compare-table tr:last-child td { border-bottom: none; }
        .compare-table .old { color: #9ca3af; text-decoration: line-through; }
        .compare-table .new { color: #1a7a4e; font-weight: 600; }
        .compare-table tr:hover td { background: #f8fafd; }

        .playbook-steps { display: flex; flex-direction: column; gap: 0; margin: 1.5rem 0; border: 1px solid #e4e8ee; border-radius: 12px; overflow: hidden; }
        .playbook-step { display: flex; align-items: flex-start; gap: 1.25rem; padding: 1.25rem 1.5rem; background: white; border-bottom: 1px solid #eef1f6; }
        .playbook-step:last-child { border-bottom: none; }
        .playbook-step .step-num { background: #f4f7fb; color: #0d2b4e; border: 1px solid #e4e8ee; border-radius: 50%; width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9rem; flex-shrink: 0; }
        .playbook-step .step-content h4 { margin: 0 0 0.3rem; color: #0d2b4e; font-weight: 600; }
        .playbook-step .step-content p { font-size: 0.88rem; color: #4a5568; margin: 0; line-height: 1.55; }

        .clients-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
        .client-pill { background: white; border: 1px solid #dde4ef; border-radius: 10px; padding: 0.9rem 1rem; text-align: center; font-weight: 700; font-size: 0.9rem; color: #0d2b4e; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }

        .talent-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.25rem; margin: 1.5rem 0; }
        .talent-card { background: white; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.06); }
        .talent-card-header { padding: 1rem 1.25rem; color: white; font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
        .talent-card-header.blue { background: #1a4f8a; }
        .talent-card-header.teal { background: #0891b2; }
        .talent-card-header.sky { background: #38bdf8; color: #0c2a40; }
        .talent-card-header.sage { background: #6b8f5e; }
        .talent-card-body { padding: 1.25rem; }
        .talent-card-body .count { font-size: 2rem; font-weight: 800; color: #0d2b4e; }
        .talent-card-body .count-lbl { font-size: 0.8rem; color: #6b7280; margin-bottom: 0.75rem; }
        .talent-card-body ul { padding-left: 1.1rem; }
        .talent-card-body ul li { font-size: 0.82rem; color: #4a5568; margin: 0.3rem 0; }

        .toc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 1.5rem 0; }
        .toc-item { background: white; border-radius: 8px; padding: 0.75rem 1.2rem; cursor: pointer; border: 1px solid #e4e8ee; transition: all 0.2s; display: flex; align-items: center; gap: 0.75rem; }
        .toc-item:hover { background: #e8f2ff; border-color: #1a4f8a; }
        .toc-item .toc-num { font-weight: 700; color: #1a4f8a; font-size: 1rem; flex-shrink: 0; }
        .toc-item span { font-size: 0.93rem; color: #0d2b4e; }

        .testimonial-card { background: #f8fafd; border-radius: 14px; padding: 1.75rem; margin: 1rem 0; border: 1px solid #dde4ef; position: relative; }
        .testimonial-card::before { content: '"'; font-size: 4rem; color: #1a4f8a; opacity: 0.15; position: absolute; top: 0.5rem; left: 1.25rem; line-height: 1; font-family: Georgia, serif; }
        .testimonial-text { font-style: italic; font-size: 0.97rem; color: #374151; margin-bottom: 1rem; padding-left: 1rem; }
        .testimonial-author { font-weight: 700; color: #0d2b4e; font-size: 0.92rem; }
        .testimonial-role { font-size: 0.82rem; color: #6b7280; }
        .testimonial-stars { color: #f0a500; font-size: 1rem; margin-bottom: 0.75rem; }

        .why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.25rem; margin: 1.5rem 0; }
        .why-card { background: white; border: 1px solid #e4e8ee; border-radius: 12px; padding: 1.5rem; text-align: center; box-shadow: 0 1px 2px rgba(13,43,78,0.04); transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease; }
        .why-card:hover { border-color: #c9d6e8; transform: translateY(-3px); box-shadow: 0 12px 30px -18px rgba(13,43,78,0.22); }
        .why-card .why-icon { font-size: 2rem; margin-bottom: 0.75rem; }
        .why-card h4 { color: #0d2b4e; margin: 0 0 0.5rem; font-size: 0.97rem; }
        .why-card p { font-size: 0.83rem; color: #4a5568; margin: 0; }

        /* PDF page images */
        .pdf-page-img {
            width: 100%; border-radius: 10px; box-shadow: 0 4px 16px rgba(0,0,0,0.12);
            display: block; margin: 1.25rem 0;
        }
        .img-caption {
            font-size: 0.8rem; color: #6b7280; text-align: center; margin-top: -0.5rem; margin-bottom: 1.25rem; font-style: italic;
        }

        .footer { background: #0a1f3d; color: rgba(255,255,255,0.7); text-align: center; padding: 2rem; font-size: 0.87rem; }
        .footer a { color: rgba(255,255,255,0.85); }

        @media (max-width: 600px) {
            .header h1 { font-size: 1.7rem; }
            .toc-grid { grid-template-columns: 1fr; }
            .ai-equation { gap: 0.75rem; }
            .case-study-grid { grid-template-columns: 1fr; }
        }
    
        /* ============ EXECUTIVE TOC + SECTION NAV ============ */
        .toc-wrap { margin: 3rem 0 2rem; }
        .toc-eyebrow {
            font-size: 0.7rem; letter-spacing: 3px; text-transform: uppercase;
            color: #6b7a93; font-weight: 600; margin-bottom: 1rem;
            display: flex; align-items: center; gap: 0.75rem;
        }
        .toc-eyebrow::after {
            content: ''; flex: 1; height: 1px;
            background: linear-gradient(90deg, rgba(13,43,78,0.18), transparent);
        }
        .toc-grid {
            display: grid; grid-template-columns: 1fr 1fr; gap: 0;
            background: white; border-radius: 14px; overflow: hidden;
            box-shadow: 0 2px 12px rgba(13,43,78,0.06);
            border: 1px solid #e4e8ee;
        }
        .toc-item {
            padding: 1.1rem 1.5rem; cursor: pointer; border: none;
            border-right: 1px solid #eef1f6; border-bottom: 1px solid #eef1f6;
            background: white; transition: background 0.2s, padding 0.2s;
            display: flex; align-items: center; gap: 1rem; border-radius: 0;
        }
        .toc-item:nth-child(2n) { border-right: none; }
        .toc-item:nth-last-child(-n+2) { border-bottom: none; }
        .toc-item:hover { background: #f6f9fd; padding-left: 1.75rem; }
        .toc-item .toc-num {
            font-weight: 600; color: #6b7a93; font-size: 0.78rem;
            letter-spacing: 1px; min-width: 28px;
            font-feature-settings: "tnum";
        }
        .toc-item span:last-child {
            font-size: 0.95rem; color: #0d2b4e; font-weight: 500; flex: 1;
        }
        .toc-item::after {
            content: '→'; color: #1a4f8a; opacity: 0; transition: opacity 0.2s, transform 0.2s;
            transform: translateX(-4px);
        }
        .toc-item:hover::after { opacity: 1; transform: translateX(0); }

        .sec-header { padding: 1.4rem 2.25rem; border: 1px solid #e4e8ee; }
        .sec-header h2 { font-weight: 600; letter-spacing: -0.01em; }
        .sec-header .sec-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 36px; height: 36px; margin-right: 1rem;
            background: #f0f5fb; border-radius: 8px; color: #1a4f8a;
            font-size: 0; flex-shrink: 0;
        }
        .sec-header .sec-icon svg { width: 20px; height: 20px; stroke: #1a4f8a; }
        .sec-toggle { color: #6b7a93; font-size: 0.85rem; font-weight: 500; }

        @media (max-width: 600px) {
            .toc-grid { grid-template-columns: 1fr; }
            .toc-item { border-right: none !important; }
        }

        /* ============ EDITORIAL FLOW OVERRIDE ============ */
        /* Remove accordion behavior — every section is a premium editorial block */
        .sec-wrap {
            margin: 0 0 6rem;
            scroll-margin-top: 2rem;
            background: transparent;
            border: none;
            box-shadow: none;
            border-radius: 0;
        }
        .sec-wrap:last-of-type { margin-bottom: 3rem; }
        .sec-header {
            background: transparent !important;
            border: none !important;
            padding: 0 0 1.25rem !important;
            margin: 0 0 2.5rem;
            cursor: default !important;
            border-bottom: 1px solid #eef1f6 !important;
            border-radius: 0 !important;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 1rem;
        }
        .sec-wrap[id] .sec-header { position: relative; }
        .sec-header:hover { background: transparent !important; }
        .sec-header h2 {
            font-size: 1.95rem !important;
            font-weight: 600 !important;
            color: #0d2b4e !important;
            letter-spacing: -0.018em !important;
            line-height: 1.15;
        }
        .sec-header .sec-icon {
            width: 44px; height: 44px;
            background: #f4f7fb;
            border: 1px solid #e4e8ee;
            border-radius: 10px;
            display: inline-flex; align-items: center; justify-content: center;
            margin-right: 0 !important;
        }
        .sec-header .sec-icon svg { width: 22px !important; height: 22px !important; stroke: #1a4f8a; }
        .sec-toggle { display: none !important; }
        .sec-body {
            max-height: none !important;
            overflow: visible !important;
            transition: none !important;
        }
        .sec-wrap[id] { padding: 2.5rem 1.25rem 3rem; max-width: 1180px; margin-left: auto; margin-right: auto; }
        .sec-wrap[id] > .sec-header { padding: 0 4px 1.5rem; }
        @media (max-width: 720px) {
            .sec-wrap[id] { padding: 1.75rem 1.4rem 2.25rem; }
            .sec-wrap { margin-bottom: 3rem; }
            .sec-header h2 { font-size: 1.5rem !important; }
        }

        /* ============ TAB SWITCHER ============ */
        /* Only the active section is visible. TOC items act as tabs. */
        .sec-wrap[id] { display: none; }
        .sec-wrap[id].is-active { display: block; animation: secFade .35s ease-out; }
        @keyframes secFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
        .toc-item { position: relative; }
        .toc-item.is-active { background: #0d2b4e !important; }
        .toc-item.is-active .toc-num,
        .toc-item.is-active span { color: #fff !important; }
        .toc-item.is-active::after { opacity: 1 !important; transform: translateX(0) !important; color: #fff !important; }

        /* Browser-chrome frame around case study previews */
        .cs-preview { position: relative; }
        .cs-preview::before {
            content: ""; position: absolute; top: 0; left: 0; right: 0; height: 22px;
            background: linear-gradient(180deg, #f4f7fb, #eaeef4);
            border-bottom: 1px solid #e4e8ee;
            border-radius: 8px 8px 0 0;
            z-index: 2;
        }
        .cs-preview::after {
            content: ""; position: absolute; top: 7px; left: 10px;
            width: 8px; height: 8px; border-radius: 50%;
            background: #d8dde5;
            box-shadow: 14px 0 0 #d8dde5, 28px 0 0 #d8dde5;
            z-index: 3;
        }
        .cs-preview svg { padding-top: 22px; box-sizing: border-box; background: #fff; }
        .cs-preview img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: top center; padding-top: 22px; box-sizing: border-box; background: #fff; }