*{margin:0;padding:0;box-sizing:border-box}
        :root{
            --bg:#fff;--text:#333;--muted:#999;--light:#b5b5b5;--line:#e5e5e5;--dark:#1a1a1a;
            --blue:#2a6cb6;--blue-bg:#f0f5fb;
            --teal:#1a7a5a;--teal-bg:#edf7f2;
            --amber:#8a5a10;--amber-bg:#fdf5e6;
            --coral:#a04020;--coral-bg:#fdf0eb;
            --purple:#6b46a8;--purple-bg:#f4f0fa;
            --slate:#445566;--slate-bg:#f0f2f5;
        }
        ::selection{background:#d5d5d5;color:var(--dark)}
        html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
        body{font-family:'Source Serif 4',Georgia,serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:17px;-webkit-font-smoothing:antialiased}

        .layout{display:flex;min-height:100vh;max-width:1060px;margin:0 auto;padding:56px 32px 56px 0}
        nav{position:sticky;top:56px;align-self:flex-start;min-width:150px;padding:0 36px 0 32px;text-align:right}
        nav a{display:block;font-family:'Inter',sans-serif;font-size:14px;font-weight:400;color:var(--muted);text-decoration:none;padding:4px 0;transition:color .2s}
        nav a:hover{color:var(--dark)}
        nav a.active{color:var(--dark);font-weight:500;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
        .nav-sep{height:1px;background:var(--line);margin:10px 0}
        .nav-back{color:var(--light) !important;font-size:13px !important}
        .nav-back:hover{color:var(--dark) !important}
        .divider{width:1px;background:var(--line);flex-shrink:0}
        main{flex:1;padding-left:48px;max-width:680px}

        .page-label{font-family:'Inter',sans-serif;font-size:13px;color:var(--light);margin-bottom:2px}
        .page-name{font-size:20px;font-weight:400;color:var(--dark);margin-bottom:40px}

        section{margin-bottom:52px;scroll-margin-top:40px}
        section h2{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:14px;text-transform:lowercase}
        section p{margin-bottom:10px}
        section p:last-child{margin-bottom:0}

        strong{font-weight:600;color:var(--dark)}
        em{font-style:italic}
        .note{border-left:3px solid var(--blue);padding:10px 16px;margin:16px 0;font-size:15px;background:var(--blue-bg);color:var(--blue)}
        .note-teal{border-left:3px solid var(--teal);padding:10px 16px;margin:16px 0;font-size:15px;background:var(--teal-bg);color:var(--teal)}
        .note-amber{border-left:3px solid var(--amber);padding:10px 16px;margin:16px 0;font-size:15px;background:var(--amber-bg);color:var(--amber)}
        .note-coral{border-left:3px solid var(--coral);padding:10px 16px;margin:16px 0;font-size:15px;background:var(--coral-bg);color:var(--coral)}

        /* ══════════════════════════════════════════
           SİSTEM HARİTASI — Tıklanabilir kartlar
        ══════════════════════════════════════════ */

        .sysmap-wrap{margin:24px 0}

        /* Layer labels */
        .layer{margin-bottom:20px}
        .layer-header{
            display:flex;align-items:center;gap:10px;
            margin-bottom:10px;
        }
        .layer-label{
            font-family:'Inter',sans-serif;font-size:9px;font-weight:600;
            text-transform:uppercase;letter-spacing:.1em;color:var(--light);
            flex-shrink:0;
        }
        .layer-line{flex:1;height:1px;background:var(--line)}

        /* System card grid */
        .sys-grid{
            display:grid;gap:6px;
        }
        .sys-grid-2{grid-template-columns:1fr 1fr}
        .sys-grid-3{grid-template-columns:1fr 1fr 1fr}
        .sys-grid-4{grid-template-columns:1fr 1fr 1fr 1fr}

        .sys-card{
            border:2px solid var(--line);
            padding:12px 14px;
            cursor:pointer;
            transition:all .15s;
            user-select:none;
            position:relative;
            background:#fff;
        }
        .sys-card:hover{border-color:var(--muted)}
        .sys-card.selected{border-color:var(--dark);background:#fafafa}

        /* Color variants */
        .sys-card.c-blue.selected{border-color:var(--blue);background:var(--blue-bg)}
        .sys-card.c-teal.selected{border-color:var(--teal);background:var(--teal-bg)}
        .sys-card.c-amber.selected{border-color:var(--amber);background:var(--amber-bg)}
        .sys-card.c-purple.selected{border-color:var(--purple);background:var(--purple-bg)}
        .sys-card.c-slate.selected{border-color:var(--slate);background:var(--slate-bg)}
        .sys-card.c-coral.selected{border-color:var(--coral);background:var(--coral-bg)}

        .sc-icon{font-size:16px;margin-bottom:5px;display:block}
        .sc-name{
            font-family:'Inter',sans-serif;font-size:11px;font-weight:600;
            color:var(--dark);line-height:1.3;margin-bottom:2px;
        }
        .sc-abbr{
            font-family:'Inter',sans-serif;font-size:9px;font-weight:600;
            text-transform:uppercase;letter-spacing:.08em;color:var(--light);
        }

        /* Down arrow between layers */
        .layer-arrow{
            text-align:center;margin:4px 0;
            font-family:'Inter',sans-serif;font-size:11px;color:var(--light);
        }

        /* Detail panel */
        .sys-detail{
            border:1px solid var(--line);
            margin-top:16px;
            display:none;
            animation:fadeUp .2s ease;
        }
        .sys-detail.visible{display:block}
        @keyframes fadeUp{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}

        .sd-header{
            padding:14px 18px;border-bottom:1px solid var(--line);
            display:flex;align-items:center;gap:12px;
        }
        .sd-icon{font-size:20px;flex-shrink:0}
        .sd-meta{}
        .sd-name{font-family:'Inter',sans-serif;font-size:14px;font-weight:600;color:var(--dark);margin-bottom:2px}
        .sd-role{font-family:'Inter',sans-serif;font-size:12px;color:var(--muted)}

        .sd-grid{
            display:grid;grid-template-columns:1fr 1fr;
            gap:1px;background:var(--line);
        }
        .sd-cell{background:#fff;padding:14px 16px}
        .sd-label{
            font-family:'Inter',sans-serif;font-size:9px;font-weight:600;
            text-transform:uppercase;letter-spacing:.09em;
            color:var(--light);margin-bottom:7px;
        }
        .sd-list{list-style:none}
        .sd-list li{
            font-family:'Inter',sans-serif;font-size:12px;color:var(--text);
            padding:2px 0;display:flex;gap:7px;line-height:1.5;
        }
        .sd-list li::before{content:'—';color:var(--light);flex-shrink:0;font-size:10px;margin-top:2px}

        .sd-flow{
            padding:11px 16px;border-top:1px solid var(--line);
            display:flex;align-items:center;gap:8px;flex-wrap:wrap;
            background:#fafafa;
        }
        .sdf-label{font-family:'Inter',sans-serif;font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.09em;color:var(--light);flex-shrink:0}
        .sdf-pill{
            font-family:'Inter',sans-serif;font-size:10px;
            padding:2px 9px;border:1px solid var(--line);color:var(--muted);
        }
        .sdf-pill.out{border-color:var(--blue);color:var(--blue);background:var(--blue-bg)}
        .sdf-arrow{font-size:10px;color:var(--light)}

        .sd-risk{
            padding:10px 16px;border-top:1px solid var(--line);
            font-family:'Inter',sans-serif;font-size:12px;color:var(--text);line-height:1.6;
        }
        .sd-risk strong{color:var(--dark)}

        /* ══════════════════════════════════════════
           TEK İŞLEM YOLCULUĞU — Adım adım
        ══════════════════════════════════════════ */

        .journey-steps{margin:20px 0}

        .js-step{
            display:grid;grid-template-columns:32px 1fr;
            gap:0;margin-bottom:2px;
            cursor:pointer;
        }
        .js-connector{display:flex;flex-direction:column;align-items:center}
        .js-dot{
            width:12px;height:12px;border-radius:50%;
            border:2px solid var(--line);background:#fff;
            flex-shrink:0;margin-top:13px;z-index:1;
            transition:all .15s;
        }
        .js-line{width:2px;flex:1;background:var(--line);margin-top:2px}
        .js-step:last-child .js-line{display:none}
        .js-step.active .js-dot{border-color:var(--dark);background:var(--dark)}
        .js-step:hover .js-dot{border-color:var(--muted);background:var(--muted)}

        .js-body{
            border:1px solid var(--line);
            margin-left:8px;
            transition:border-color .15s;
            overflow:hidden;
        }
        .js-step.active .js-body{border-color:var(--muted)}

        .jsb-header{
            display:flex;align-items:center;gap:10px;
            padding:11px 14px;
        }
        .jsb-num{
            font-family:'Inter',sans-serif;font-size:10px;font-weight:600;
            text-transform:uppercase;letter-spacing:.08em;color:var(--light);
            flex-shrink:0;min-width:22px;
        }
        .jsb-sys{
            font-family:'Inter',sans-serif;font-size:10px;font-weight:600;
            text-transform:uppercase;letter-spacing:.06em;
            padding:2px 7px;border:1px solid currentColor;
            flex-shrink:0;
        }
        .jsb-title{font-family:'Inter',sans-serif;font-size:12px;font-weight:500;color:var(--dark);flex:1}
        .jsb-toggle{font-size:14px;color:var(--light);transition:transform .15s;flex-shrink:0}
        .js-step.active .jsb-toggle{transform:rotate(45deg)}

        .jsb-content{
            display:none;padding:0 14px 12px;border-top:1px solid var(--line);
        }
        .js-step.active .jsb-content{display:block;animation:fadeIn .15s ease}
        @keyframes fadeIn{from{opacity:0}to{opacity:1}}

        .jsb-row{
            display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px;
        }
        .jr-item{}
        .jr-label{
            font-family:'Inter',sans-serif;font-size:9px;font-weight:600;
            text-transform:uppercase;letter-spacing:.08em;color:var(--light);margin-bottom:4px;
        }
        .jr-text{font-family:'Inter',sans-serif;font-size:11px;color:var(--text);line-height:1.55}

        /* ══════════════════════════════════════════
           DIŞ VERİ KAYNAKLARI
        ══════════════════════════════════════════ */

        .ext-grid{
            display:grid;grid-template-columns:1fr 1fr;
            gap:10px;margin:18px 0;
        }
        .ext-card{border:1px solid var(--line);padding:14px 16px}
        .ext-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}
        .ext-icon{font-size:15px}
        .ext-name{font-family:'Inter',sans-serif;font-size:12px;font-weight:600;color:var(--dark)}
        .ext-text{font-family:'Inter',sans-serif;font-size:11px;color:var(--muted);line-height:1.6}
        .ext-tag{
            display:inline-block;font-family:'Inter',sans-serif;font-size:9px;
            font-weight:600;text-transform:uppercase;letter-spacing:.07em;
            padding:2px 7px;border:1px solid currentColor;margin-top:6px;
        }

        /* ══════════════════════════════════════════
           VERİ SAHİPLİĞİ MATRİSİ
        ══════════════════════════════════════════ */

        .ownership-table{
            width:100%;border:1px solid var(--line);border-collapse:collapse;margin:18px 0;
        }
        .ownership-table th{
            font-family:'Inter',sans-serif;font-size:9px;font-weight:600;
            text-transform:uppercase;letter-spacing:.07em;color:var(--light);
            background:#fafafa;padding:9px 10px;border:1px solid var(--line);text-align:left;
        }
        .ownership-table td{
            padding:9px 10px;border:1px solid var(--line);
            font-family:'Inter',sans-serif;font-size:11px;color:var(--text);
        }
        .ownership-table tr:hover td{background:#fafafa}
        .ot-sys{font-weight:600;color:var(--dark)}
        .ot-yes{color:var(--teal);font-weight:600;text-align:center}
        .ot-partial{color:var(--amber);font-weight:600;text-align:center}
        .ot-no{color:var(--line);text-align:center}

        /* ══════════════════════════════════════════
           PAGE NAV
        ══════════════════════════════════════════ */
        .page-nav{display:flex;gap:12px;margin-top:36px}
        .page-nav-link{flex:1;border:1px solid var(--line);padding:14px 18px;text-decoration:none;transition:border-color .2s;display:flex;align-items:center}
        .page-nav-link:hover{border-color:var(--dark)}
        .page-nav-link.prev{justify-content:flex-start;gap:12px}
        .page-nav-link.next{justify-content:flex-end;gap:12px;text-align:right}
        .pnl-meta{flex:1}
        .pnl-label{font-family:'Inter',sans-serif;font-size:10px;color:var(--light);text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}
        .pnl-title{font-family:'Inter',sans-serif;font-size:13px;color:var(--dark)}
        .pnl-arrow{font-size:18px;color:var(--muted);flex-shrink:0}
        .footer{margin-top:44px;padding-top:18px;border-top:1px solid var(--line);font-family:'Inter',sans-serif;font-size:12px;color:var(--light)}

        @media(max-width:768px){
            .layout{flex-direction:column;padding:28px 20px}
            nav{position:static;text-align:left;min-width:auto;padding:0 0 24px 0;display:flex;flex-wrap:wrap;gap:3px 14px}
            nav a{display:inline}
            .divider{width:100%;height:1px}
            main{padding-left:0;padding-top:28px;max-width:100%}
            .sys-grid-3,.sys-grid-4{grid-template-columns:1fr 1fr}
            .sd-grid,.ext-grid,.jsb-row{grid-template-columns:1fr}
        }
    
        .skip-link{position:fixed;left:12px;top:12px;z-index:1000;padding:8px 12px;background:var(--dark);color:#fff;font-family:'Inter',sans-serif;font-size:12px;transform:translateY(-160%);transition:transform .15s}
        .skip-link:focus{transform:translateY(0)}
        :focus-visible{outline:3px solid var(--blue);outline-offset:3px}
        .review-strip{display:flex;flex-wrap:wrap;gap:7px 16px;margin:0 0 30px;padding:10px 12px;border:1px solid var(--line);background:#fafafa;font-family:'Inter',sans-serif;font-size:11px;line-height:1.5;color:var(--muted)}
        .review-strip strong{color:var(--dark)}
        .source-box{margin:46px 0 0;padding-top:18px;border-top:1px solid var(--line)}
        .source-box h2{font-size:15px;border:0;padding:0;margin-bottom:8px;text-transform:none}
        .source-box p{font-family:'Inter',sans-serif;font-size:11px;color:var(--muted);margin-bottom:9px}
        .source-box ul{display:flex;flex-wrap:wrap;gap:7px 16px;list-style:none}
        .source-box a{font-family:'Inter',sans-serif;font-size:11px;color:var(--blue);text-underline-offset:3px}
        [role="button"]{touch-action:manipulation}
        [aria-live="polite"]{contain:content}
        @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
        @media(max-width:768px){
            nav{padding-bottom:12px!important;border-bottom:1px solid var(--line)}
            nav .nav-sep{display:none!important}
            nav a{display:none!important}
            nav a[href="../index.html"],nav a[href="dsroadmap2.html"],nav a.nav-back,nav a.active{display:inline-block!important}
            table{width:100%;table-layout:fixed;font-size:11px}
            th,td{padding:7px 5px!important;overflow-wrap:anywhere;word-break:normal}
            .page-nav{flex-direction:column}
            .review-strip{margin-bottom:24px}
        }

    

        /* ── Data lineage tracer + BCBS 239 ── */
        .lin{border:1px solid var(--line);margin:22px 0}
        .lin-tabs{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);background:#fafafa}
        .lin-tab{padding:10px 8px;text-align:center;cursor:pointer;user-select:none;border-right:1px solid var(--line);border-bottom:3px solid transparent;font-family:'Inter',sans-serif;font-size:11px;font-weight:500;color:var(--muted);transition:all .15s}
        .lin-tab:nth-child(3n){border-right:none}
        .lin-tab:hover{background:#fff;color:var(--dark)}
        .lin-tab.on{background:#fff;color:var(--dark);border-bottom-color:var(--amber)}
        .lin-body{padding:18px}
        .lin-chain{display:flex;align-items:center;flex-wrap:wrap;gap:0;margin-bottom:14px}
        .lc-node{border:1px solid var(--line);padding:7px 11px;font-family:'Inter',sans-serif;font-size:11px;font-weight:500;color:var(--dark);text-align:center}
        .lc-node.golden{background:var(--teal-bg);color:var(--teal);border-color:var(--teal);font-weight:600}
        .lc-node.model{background:var(--amber-bg);color:var(--amber);border-color:var(--amber)}
        .lc-arr{color:var(--light);font-size:11px;padding:0 7px}
        .lin-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
        .lg-cell{background:#fff;padding:13px 14px}
        .lg-k{font-family:'Inter',sans-serif;font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--light);margin-bottom:6px}
        .lg-v{font-family:'Inter',sans-serif;font-size:12px;color:var(--text);line-height:1.6}
        .lg-v strong{color:var(--dark)}
        .lin-bcbs{padding:11px 14px;border-top:1px solid var(--line);background:#fafafa;font-family:'Inter',sans-serif;font-size:12px;line-height:1.6;color:var(--text)}
        .lin-bcbs strong{color:var(--dark)}
        .bcbs-pill{display:inline-block;font-family:'Inter',sans-serif;font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;background:var(--blue-bg);color:var(--blue);border:1px solid var(--blue);margin-right:5px}
        /* BCBS principle theme grid */
        .pr-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:18px 0}
        .pr-cell{background:#fff;padding:14px 16px}
        .pr-th{font-family:'Inter',sans-serif;font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--blue);margin-bottom:7px}
        .pr-list{list-style:none}
        .pr-list li{font-family:'Inter',sans-serif;font-size:11.5px;color:var(--text);padding:3px 0;display:flex;gap:7px;line-height:1.5}
        .pr-list li::before{content:'›';color:var(--light);font-weight:700;flex-shrink:0}