*{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)}
        code{font-family:'Inter',monospace;font-size:12px;background:#f4f4f4;padding:1px 5px;border:1px solid var(--line);color:var(--coral)}

        .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)}

        /* ── Saldırı yüzeyi haritası ── */
        .surf{border:1px solid var(--line);padding:20px;margin:24px 0}
        .surf-title{font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:var(--dark);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
        .surf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
        .surf-node{border:1px solid var(--line);padding:12px 13px;cursor:pointer;transition:all .15s;background:#fff}
        .surf-node:hover{border-color:var(--muted)}
        .surf-node.active{border-color:var(--coral);background:var(--coral-bg)}
        .surf-node .sn-name{font-family:'Inter',sans-serif;font-size:11.5px;font-weight:600;color:var(--dark);margin-bottom:3px}
        .surf-node .sn-vec{font-family:'Inter',sans-serif;font-size:9.5px;color:var(--muted);line-height:1.4}
        .surf-detail{display:none;border:1px solid var(--coral);background:var(--coral-bg);padding:16px;margin-top:12px}
        .surf-detail.visible{display:block}
        .surf-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}
        .surf-detail-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:rgba(0,0,0,.06);border:1px solid rgba(0,0,0,.06)}
        .sdc{background:rgba(255,255,255,.78);padding:10px 12px}
        .sdc-label{font-family:'Inter',sans-serif;font-size:9px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:5px}
        .sdc-text{font-family:'Inter',sans-serif;font-size:12px;color:var(--text);line-height:1.55}

        /* ── Saldırı zinciri simülasyonu ── */
        .chain-sim{border:1px solid var(--line);padding:20px;margin:24px 0}
        .cs-title{font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:var(--dark);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
        .cs-sub{font-family:'Inter',sans-serif;font-size:12px;color:var(--muted);margin-bottom:14px;line-height:1.55}
        .cs-controls{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
        .cs-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border:1px solid var(--line);cursor:pointer;user-select:none;transition:all .15s;background:#fff}
        .cs-toggle:hover{background:#f8f8f8}
        .cs-toggle.on{border-color:var(--teal);background:var(--teal-bg)}
        .cs-tg-label{font-family:'Inter',sans-serif;font-size:12px;color:var(--text);line-height:1.4}
        .cs-tg-label strong{color:var(--dark)}
        .cs-switch{font-family:'Inter',sans-serif;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:3px 10px;border:1px solid var(--line);color:var(--muted);flex-shrink:0}
        .cs-toggle.on .cs-switch{background:var(--teal);border-color:var(--teal);color:#fff}
        .cs-run{font-family:'Inter',sans-serif;font-size:12px;font-weight:600;padding:9px 20px;background:var(--dark);color:#fff;border:none;cursor:pointer;letter-spacing:.03em}
        .cs-run:hover{background:#000}
        .cs-stages{margin-top:16px}
        .cs-stage{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);opacity:.3;transition:opacity .3s}
        .cs-stage:last-child{border-bottom:none}
        .cs-stage.shown{opacity:1}
        .cs-badge{font-family:'Inter',sans-serif;font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:3px 8px;flex-shrink:0;min-width:78px;text-align:center}
        .cs-badge.pass{background:var(--coral-bg);color:var(--coral)}
        .cs-badge.block{background:var(--teal-bg);color:var(--teal)}
        .cs-stage-text{font-family:'Inter',sans-serif;font-size:12px;color:var(--text);line-height:1.55}
        .cs-verdict{font-family:'Inter',sans-serif;font-size:12px;padding:12px 14px;margin-top:14px;line-height:1.6;display:none}
        .cs-verdict.visible{display:block}
        .cs-verdict.breach{border-left:3px solid var(--coral);background:var(--coral-bg);color:var(--coral)}
        .cs-verdict.safe{border-left:3px solid var(--teal);background:var(--teal-bg);color:var(--teal)}

        /* ── Mahremiyet katmanı ── */
        .pv-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}
        .pv-box{border:1px solid var(--line);padding:14px 16px}
        .pv-label{font-family:'Inter',sans-serif;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line);color:var(--purple)}
        .pv-item{display:flex;align-items:flex-start;gap:8px;font-family:'Inter',sans-serif;font-size:12px;color:var(--text);padding:4px 0;line-height:1.5}
        .pv-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;margin-top:6px;background:var(--purple)}

        /* ── 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%}
            .surf-grid{grid-template-columns:1fr}
            .surf-detail-grid{grid-template-columns:1fr}
            .pv-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}}