*{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)}

        /* ══════════════════════════════════════════
           KAVRAM KARŞILAŞTIRMA KARTI
        ══════════════════════════════════════════ */

        .concept-pair{
            display:grid;grid-template-columns:1fr 1fr;
            gap:1px;background:var(--line);
            border:1px solid var(--line);
            margin:20px 0;
        }
        .cp-cell{background:#fff;padding:18px 18px}
        .cp-label{
            font-family:'Inter',sans-serif;font-size:9px;font-weight:600;
            text-transform:uppercase;letter-spacing:.09em;
            color:var(--light);margin-bottom:8px;
            padding-bottom:7px;border-bottom:1px solid var(--line);
        }
        .cp-title{
            font-family:'Inter',sans-serif;font-size:14px;font-weight:600;
            color:var(--dark);margin-bottom:6px;
        }
        .cp-text{font-family:'Inter',sans-serif;font-size:12px;color:var(--muted);line-height:1.65}
        .cp-example{
            margin-top:10px;font-family:'Inter',sans-serif;font-size:11px;
            color:var(--text);background:#fafafa;
            border:1px solid var(--line);padding:8px 10px;
            line-height:1.5;
        }
        .cp-example span{font-weight:600;color:var(--dark)}

        /* ══════════════════════════════════════════
           LIMIT / KULLANIM / EAD SİMÜLATÖRÜ
        ══════════════════════════════════════════ */

        .sim-wrap{
            border:1px solid var(--line);
            margin:24px 0;
            overflow:hidden;
        }

        /* Tab selector */
        .sim-tabs{
            display:grid;grid-template-columns:1fr 1fr;
            border-bottom:1px solid var(--line);
            background:#fafafa;
        }
        .sim-tab{
            padding:12px 16px;
            font-family:'Inter',sans-serif;font-size:12px;font-weight:500;
            color:var(--muted);cursor:pointer;
            border-bottom:3px solid transparent;
            transition:all .15s;text-align:center;
            user-select:none;
        }
        .sim-tab:first-child{border-right:1px solid var(--line)}
        .sim-tab.active{
            background:#fff;color:var(--dark);
            border-bottom-color:var(--dark);
        }

        .sim-body{padding:22px 22px 18px}

        /* Slider control row */
        .slider-row{
            display:grid;grid-template-columns:120px 1fr 80px;
            align-items:center;gap:14px;
            margin-bottom:14px;
        }
        .sl-label{
            font-family:'Inter',sans-serif;font-size:11px;font-weight:500;
            color:var(--dark);text-align:right;
        }
        .sl-range{
            -webkit-appearance:none;appearance:none;
            width:100%;height:4px;background:var(--line);
            border-radius:0;outline:none;cursor:pointer;
        }
        .sl-range::-webkit-slider-thumb{
            -webkit-appearance:none;appearance:none;
            width:14px;height:14px;border-radius:50%;
            background:var(--dark);cursor:pointer;
            border:2px solid #fff;box-shadow:0 0 0 1px var(--dark);
        }
        .sl-val{
            font-family:'Inter',sans-serif;font-size:12px;font-weight:500;
            color:var(--dark);text-align:left;
        }

        /* Visual bar */
        .bar-wrap{margin:20px 0 10px}
        .bar-label-row{
            display:flex;justify-content:space-between;align-items:center;
            margin-bottom:6px;
        }
        .bar-label{font-family:'Inter',sans-serif;font-size:10px;color:var(--muted);font-weight:500}
        .bar-total{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;color:var(--dark)}

        .bar-track{
            height:32px;background:#f5f5f5;
            border:1px solid var(--line);
            position:relative;overflow:hidden;
            display:flex;
        }
        .bar-drawn{
            height:100%;
            background:var(--teal);
            transition:width .3s ease;
            display:flex;align-items:center;justify-content:center;
            flex-shrink:0;
        }
        .bar-undrawn{
            height:100%;
            background:var(--blue-bg);
            border-right:none;
            transition:width .3s ease;
            display:flex;align-items:center;justify-content:center;
            flex-shrink:0;
        }
        .bar-unused{
            height:100%;
            background:#f5f5f5;
            flex:1;
        }
        .bar-seg-label{
            font-family:'Inter',sans-serif;font-size:10px;font-weight:600;
            color:#fff;white-space:nowrap;overflow:hidden;
            padding:0 6px;
        }
        .bar-seg-label.dark{color:var(--blue)}

        /* EAD result grid */
        .ead-grid{
            display:grid;grid-template-columns:repeat(3,1fr);
            gap:1px;background:var(--line);border:1px solid var(--line);
            margin-top:16px;
        }
        .ead-cell{background:#fff;padding:14px 14px;text-align:center}
        .ead-cell-label{
            font-family:'Inter',sans-serif;font-size:9px;font-weight:600;
            text-transform:uppercase;letter-spacing:.09em;
            color:var(--light);margin-bottom:6px;
        }
        .ead-cell-val{
            font-family:'Source Serif 4',serif;font-size:22px;font-weight:600;
            color:var(--dark);line-height:1.1;margin-bottom:3px;
        }
        .ead-cell-sub{font-family:'Inter',sans-serif;font-size:10px;color:var(--muted)}
        .ead-cell.highlight{background:var(--teal-bg)}
        .ead-cell.highlight .ead-cell-val{color:var(--teal)}

        /* Formula display */
        .formula-box{
            background:#fafafa;border:1px solid var(--line);
            padding:12px 16px;margin-top:14px;
            font-family:'Inter',sans-serif;font-size:12px;color:var(--text);
        }
        .formula-box .f-title{
            font-size:9px;font-weight:600;text-transform:uppercase;
            letter-spacing:.09em;color:var(--light);margin-bottom:6px;
        }
        .formula-box .f-eq{
            font-size:13px;font-weight:500;color:var(--dark);
            line-height:1.6;
        }
        .formula-box .f-eq span{color:var(--teal);font-weight:600}
        .formula-box .f-note{
            margin-top:6px;font-size:11px;color:var(--muted);line-height:1.5;
        }

        /* ══════════════════════════════════════════
           ÜRÜN TİPİ KARŞILAŞTIRMA
        ══════════════════════════════════════════ */

        .product-grid{
            display:grid;grid-template-columns:1fr 1fr;
            gap:12px;margin:20px 0;
        }
        .product-card{border:1px solid var(--line);padding:18px 18px;overflow:hidden}
        .pc-header{
            display:flex;align-items:center;gap:10px;
            margin-bottom:12px;padding-bottom:10px;
            border-bottom:1px solid var(--line);
        }
        .pc-icon{font-size:18px}
        .pc-name{
            font-family:'Inter',sans-serif;font-size:13px;font-weight:600;
            color:var(--dark);
        }
        .pc-type{
            font-family:'Inter',sans-serif;font-size:9px;font-weight:600;
            text-transform:uppercase;letter-spacing:.08em;
            padding:2px 7px;margin-left:auto;flex-shrink:0;
        }
        .type-revolving{background:var(--blue-bg);color:var(--blue)}
        .type-term{background:var(--teal-bg);color:var(--teal)}

        .pc-rows{}
        .pc-row{
            display:flex;justify-content:space-between;
            padding:5px 0;border-bottom:1px solid #f5f5f5;
            font-family:'Inter',sans-serif;font-size:12px;
        }
        .pc-row:last-child{border-bottom:none}
        .pc-row .r-key{color:var(--muted)}
        .pc-row .r-val{font-weight:500;color:var(--dark);text-align:right}

        .pc-note{
            margin-top:10px;padding:8px 10px;
            font-family:'Inter',sans-serif;font-size:11px;
            color:var(--text);background:#fafafa;border:1px solid var(--line);
            line-height:1.5;
        }

        /* ══════════════════════════════════════════
           CCF AÇIKLAMALARI
        ══════════════════════════════════════════ */

        .ccf-table{
            width:100%;border:1px solid var(--line);
            border-collapse:collapse;margin:20px 0;
        }
        .ccf-table th, .ccf-table td{
            padding:10px 14px;border:1px solid var(--line);
            font-family:'Inter',sans-serif;font-size:12px;text-align:left;
        }
        .ccf-table th{
            font-weight:600;font-size:10px;text-transform:uppercase;
            letter-spacing:.07em;color:var(--light);background:#fafafa;
        }
        .ccf-table tr:hover td{background:#fafafa}
        .ccf-val{font-weight:600;color:var(--dark)}
        .ccf-ead-ex{color:var(--teal);font-weight:500}

        /* ══════════════════════════════════════════
           KAVRAM HARİTASI — Exposure bileşenleri
        ══════════════════════════════════════════ */

        .exp-map{margin:20px 0}
        .exp-row{
            display:flex;align-items:stretch;
            border:1px solid var(--line);
            margin-bottom:2px;
            overflow:hidden;
        }
        .exp-tag{
            width:6px;flex-shrink:0;
        }
        .exp-body{
            flex:1;display:grid;
            grid-template-columns:160px 1fr 110px;
            align-items:center;
            padding:11px 14px;gap:14px;
        }
        .exp-name{
            font-family:'Inter',sans-serif;font-size:12px;font-weight:600;
            color:var(--dark);
        }
        .exp-def{
            font-family:'Inter',sans-serif;font-size:12px;
            color:var(--muted);line-height:1.5;
        }
        .exp-reg{
            font-family:'Inter',sans-serif;font-size:10px;font-weight:600;
            text-transform:uppercase;letter-spacing:.07em;
            text-align:center;padding:3px 8px;border:1px solid currentColor;
        }

        /* ══════════════════════════════════════════
           UCC PHASE-IN TIMELINE
        ══════════════════════════════════════════ */
        .phase-strip{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);margin:22px 0 0}
        .phase-yr{padding:12px 6px;text-align:center;cursor:pointer;border-right:1px solid var(--line);border-bottom:3px solid transparent;transition:all .15s;user-select:none}
        .phase-yr:last-child{border-right:none}
        .phase-yr:hover{background:#fafafa}
        .phase-yr.on{background:#fff;border-bottom-color:var(--blue)}
        .py-yr{font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:var(--dark)}
        .py-ccf{font-family:'Source Serif 4',serif;font-size:15px;font-weight:600;color:var(--blue);margin-top:2px}
        .py-ccf small{font-size:9px;color:var(--light);font-weight:400;font-family:'Inter',sans-serif;display:block;text-transform:uppercase;letter-spacing:.04em}
        .phase-panel{border:1px solid var(--line);border-top:none;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}
        .pp-cell{background:#fff;padding:16px 14px;text-align:center}
        .pp-k{font-family:'Inter',sans-serif;font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--light);margin-bottom:6px}
        .pp-v{font-family:'Source Serif 4',serif;font-size:22px;font-weight:600;color:var(--dark)}
        .pp-v small{font-size:11px;color:var(--muted);font-weight:400}
        .pp-cell.hot .pp-v{color:var(--coral)}
        .phase-msg{border:1px solid var(--line);border-top:none;padding:12px 16px;font-family:'Inter',sans-serif;font-size:12px;line-height:1.6;color:var(--text);background:#fafafa}
        .phase-msg strong{color:var(--dark)}

        /* ══════════════════════════════════════════
           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%}
            .concept-pair,.product-grid,.ead-grid{grid-template-columns:1fr}
            .slider-row{grid-template-columns:100px 1fr 60px}
            .exp-body{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}
        }