*{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-back{color:var(--light)!important;font-size:13px!important}
        .nav-back:hover{color:var(--dark)!important}
        .nav-sep{height:1px;background:var(--line);margin:10px 0}
        .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:56px;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}
        em{font-style:italic}
        strong{font-weight:600;color:var(--dark)}

        .note{border-left:3px solid var(--blue);padding:10px 16px;margin:16px 0;font-size:15px;background:var(--blue-bg);color:var(--blue)}
        .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-teal{border-left:3px solid var(--teal);padding:10px 16px;margin:16px 0;font-size:15px;background:var(--teal-bg);color:var(--teal)}
        .note-coral{border-left:3px solid var(--coral);padding:10px 16px;margin:16px 0;font-size:15px;background:var(--coral-bg);color:var(--coral)}

        /* ── Erişim spektrumu ── */
        .as-flow{display:flex;align-items:stretch;gap:0;margin:24px 0;flex-wrap:wrap}
        .as-node{flex:1;min-width:130px;border:1px solid var(--line);padding:14px 12px;cursor:pointer;transition:all .15s;background:#fff}
        .as-node:hover{border-color:var(--muted)}
        .as-node.active{border-color:var(--purple);background:var(--purple-bg)}
        .as-name{font-family:'Inter',sans-serif;font-size:11.5px;font-weight:600;color:var(--dark);margin-bottom:4px}
        .as-ex{font-family:'Inter',sans-serif;font-size:10px;color:var(--muted);line-height:1.45}
        .as-arrow{display:flex;align-items:center;justify-content:center;width:24px;flex-shrink:0;font-size:14px;color:var(--muted)}
        .as-detail{display:none;border:1px solid var(--purple);background:var(--purple-bg);padding:16px;margin-top:12px}
        .as-detail.visible{display:block}
        .as-detail-title{font-family:'Inter',sans-serif;font-size:12px;font-weight:600;color:var(--dark);margin-bottom:10px;text-transform:uppercase;letter-spacing:.05em}
        .as-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(0,0,0,.06);border:1px solid rgba(0,0,0,.06)}
        .asc{background:rgba(255,255,255,.78);padding:10px 12px}
        .asc-label{font-family:'Inter',sans-serif;font-size:9px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:5px}
        .asc-text{font-family:'Inter',sans-serif;font-size:12px;color:var(--text);line-height:1.55}
        .as-close{font-family:'Inter',sans-serif;font-size:11px;color:var(--muted);cursor:pointer;float:right;margin-top:-2px;padding:2px 6px;border:1px solid var(--line);background:#fff}
        .as-close:hover{color:var(--dark)}

        /* ── Dört ayak ── */
        .leg-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}
        .leg-box{border:1px solid var(--line);padding:14px 16px;border-top:3px solid var(--teal)}
        .leg-num{font-family:'Inter',sans-serif;font-size:10px;font-weight:600;color:var(--teal);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
        .leg-name{font-family:'Inter',sans-serif;font-size:12.5px;font-weight:600;color:var(--dark);margin-bottom:6px}
        .leg-text{font-family:'Inter',sans-serif;font-size:11.5px;color:var(--text);line-height:1.55}

        /* ── Vendor evidence egzersizi ── */
        .ve-wrap{border:1px solid var(--line);padding:20px;margin:24px 0}
        .ve-title{font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:var(--dark);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
        .ve-intro{font-family:'Inter',sans-serif;font-size:12px;color:var(--muted);margin-bottom:14px;line-height:1.55}
        .ve-item{border:1px solid var(--line);padding:12px 14px;margin-bottom:8px}
        .ve-claim{font-family:'Inter',sans-serif;font-size:12.5px;color:var(--dark);line-height:1.6;margin-bottom:10px}
        .ve-claim .ve-src{color:var(--muted);font-style:italic}
        .ve-btns{display:flex;gap:8px;flex-wrap:wrap}
        .ve-btn{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;padding:6px 14px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:all .15s}
        .ve-btn:hover{border-color:var(--dark)}
        .ve-btn.right{background:var(--teal);border-color:var(--teal);color:#fff}
        .ve-btn.wrong{background:var(--coral);border-color:var(--coral);color:#fff}
        .ve-btn:disabled{cursor:default;opacity:.75}
        .ve-reveal{display:none;font-family:'Inter',sans-serif;font-size:12px;line-height:1.6;margin-top:10px;padding:9px 13px;border-left:3px solid var(--line)}
        .ve-reveal.visible{display:block}
        .ve-reveal.ok{border-color:var(--teal);background:var(--teal-bg);color:var(--teal)}
        .ve-reveal.no{border-color:var(--coral);background:var(--coral-bg);color:var(--coral)}
        .ve-score{font-family:'Inter',sans-serif;font-size:12px;font-weight:600;color:var(--dark);margin-top:8px}

        /* ── Sözleşme kontrol listesi ── */
        .ck-list{border:1px solid var(--line);margin:20px 0}
        .ck-row{display:flex;align-items:flex-start;gap:10px;padding:11px 16px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .15s;user-select:none}
        .ck-row:last-child{border-bottom:none}
        .ck-row:hover{background:#f8f8f8}
        .ck-box{width:16px;height:16px;border:1.5px solid var(--muted);flex-shrink:0;margin-top:2px;display:flex;align-items:center;justify-content:center;font-size:11px;color:#fff;transition:all .15s}
        .ck-row.on .ck-box{background:var(--teal);border-color:var(--teal)}
        .ck-body{flex:1}
        .ck-name{font-family:'Inter',sans-serif;font-size:12px;font-weight:600;color:var(--dark);margin-bottom:2px}
        .ck-desc{font-family:'Inter',sans-serif;font-size:11px;color:var(--muted);line-height:1.5}
        .ck-meter{display:flex;align-items:center;gap:12px;margin-top:12px;padding:10px 14px;border:1px solid var(--line);background:#fafafa}
        .ck-meter-label{font-family:'Inter',sans-serif;font-size:11px;color:var(--text);min-width:130px}
        .ck-track{flex:1;height:10px;background:#f0f0f0;border:1px solid var(--line)}
        .ck-fill{height:100%;background:var(--coral);transition:width .3s,background .3s}
        .ck-val{font-family:'Inter',sans-serif;font-size:12px;font-weight:600;min-width:60px;text-align:right}

        /* ── Copilot vakası ── */
        .cp-box{border:1px solid var(--line);padding:16px 18px;margin:20px 0;background:#fafafa}
        .cp-box-title{font-family:'Inter',sans-serif;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--slate);margin-bottom:10px}
        .cp-q{display:flex;gap:10px;font-family:'Inter',sans-serif;font-size:12px;padding:6px 0;border-bottom:1px dashed var(--line);line-height:1.5}
        .cp-q:last-child{border-bottom:none}
        .cp-k{min-width:150px;color:var(--dark);font-weight:600;flex-shrink:0}
        .cp-v{color:var(--text)}

        /* ── Anahtar çıkarımlar ── */
        .key-box{border:1px solid var(--line);padding:18px 20px;margin-bottom:10px}
        .key-box-title{font-family:'Inter',sans-serif;font-size:12px;font-weight:600;text-transform:lowercase;color:var(--dark);margin-bottom:6px}
        .key-box-text{font-size:15px;color:var(--text);line-height:1.7}

        /* ── Sayfa 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}
        .page-nav-link.disabled{opacity:.35;pointer-events:none}
        .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%}
            .as-flow{flex-direction:column}
            .as-arrow{transform:rotate(90deg);height:20px;width:100%}
            .as-detail-grid{grid-template-columns:1fr}
            .leg-grid{grid-template-columns:1fr}
            .page-nav{flex-direction:column}
        }

        /* AIRISK-SERIES */
        .learning-goals{border-left:3px solid var(--blue);padding:12px 16px;margin:-24px 0 34px;background:rgba(26,111,145,.045)}
        .learning-goals-title,.source-note-title{font-family:'Inter',sans-serif;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:6px}
        .learning-goals ul{margin:0;padding-left:18px;color:var(--text);font-size:13px;line-height:1.65}
        .source-note{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin:34px 0 4px;font-family:'Inter',sans-serif;font-size:11px;line-height:1.65;color:var(--muted)}
        .source-note p{margin:0 0 5px}.source-note p:last-child{margin-bottom:0}.source-note a{color:var(--blue);text-underline-offset:2px}.source-note strong{color:var(--dark)}
        [onclick]:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
        .skip-link{position:absolute;left:12px;top:-60px;background:var(--dark);color:#fff;padding:9px 12px;z-index:9999;font-family:'Inter',sans-serif;font-size:12px}.skip-link:focus{top:12px}
        @media(max-width:600px){.learning-goals{margin-top:-22px}.learning-goals ul{font-size:12px}}
        @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}