:root{--bg:#151a23;--panel:#1c2330;--line:#2c3547;--text:#e9e6de;--muted:#a3adbd;--amber:#e3b45f;--blue:#6aa9d8;--teal:#7cc9b4;--gray:#6b7587;--serif:"Newsreader",Georgia,serif;--sans:"Inter",system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:12px}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.125rem/1.65 var(--serif);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-weight:600;line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(2rem,5.5vw,3.6rem);max-width:20ch}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em;max-width:62ch}
a{color:var(--amber)}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--panel);padding:8px 12px;z-index:9}
.hero{min-height:92vh;display:flex;flex-direction:column;justify-content:center;padding:64px 0}
.sub{font-size:1.3rem;color:var(--muted);max-width:44ch}
.meta,.note,.ui,label,button,input,select{font-family:var(--sans)}
.meta{font-size:1rem;color:var(--muted);margin-top:28px}
.hint{font:500 1rem var(--sans);color:var(--amber);margin-top:56px}
.hint span{display:inline-block;animation:nudge 2s ease-in-out 3}
@keyframes nudge{50%{transform:translateY(7px)}}
section{padding:56px 0}
.scrolly{display:grid;grid-template-columns:minmax(300px,5fr) 7fr;gap:36px;align-items:start}
.steps{grid-column:1;grid-row:1}
.step{min-height:85vh;display:flex;align-items:center;opacity:.62;transition:opacity .4s}
.step.on{opacity:1}
.card{background:var(--panel);border-left:3px solid var(--amber);padding:20px 22px;border-radius:4px}
.card p{margin:0;font-size:1.0625rem}
.scrolly figure{grid-column:2;grid-row:1;position:sticky;top:5vh;height:90vh;margin:0;display:flex;flex-direction:column}
figcaption.t{font:600 1.15rem/1.3 var(--serif);min-height:3em}
#chart,#ex-chart{flex:1;min-height:0;width:100%;display:block}
#ex-chart{height:100%}
.note{font-size:.85rem;color:var(--muted);margin:6px 0 0;max-width:none}
.axis text{fill:var(--muted);font:12px var(--sans)}.axis path,.axis line{stroke:var(--line)}
.grid line{stroke:var(--line);stroke-opacity:.6}.grid path{display:none}
.lbl{font:600 12px var(--sans);paint-order:stroke;stroke:var(--bg);stroke-width:3px}
.explore{background:var(--panel);border-radius:6px;padding:28px 24px}
.controls{display:grid;grid-template-columns:minmax(220px,1fr) 2fr;gap:24px;margin-bottom:18px}
fieldset{border:1px solid var(--line);border-radius:4px;margin:0;padding:10px 14px}
legend{font:600 1rem var(--sans);padding:0 6px}
.chk{display:grid;grid-template-columns:1fr 1fr;gap:2px 14px}
label{font-size:1rem;display:flex;gap:8px;align-items:center;padding:4px 0;cursor:pointer;color:var(--text)}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--amber)}
input[type=range]{width:100%;accent-color:var(--amber)}
.read{font:400 1rem/1.5 var(--sans);list-style:none;padding:0;margin:14px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:6px 18px}
.read b{color:var(--amber)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:32px}
footer{border-top:1px solid var(--line);color:var(--muted);font:400 1rem/1.6 var(--sans);padding:32px 0 56px}
.err{background:#3a2326;padding:14px;border-radius:4px;font-family:var(--sans)}
@media(max-width:820px){
 .scrolly{display:flex;flex-direction:column}
 .scrolly figure{order:-1;position:sticky;top:0;height:50vh;background:var(--bg);z-index:2;padding-top:6px;border-bottom:1px solid var(--line)}
 figcaption.t{font-size:1rem;min-height:2.6em}
 .step{min-height:75vh;opacity:.65}.card{background:rgba(28,35,48,.96)}
 .controls,.two{grid-template-columns:1fr}
 .hero{min-height:85vh}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

body{background-image:radial-gradient(55% 45% at 88% 8%,rgba(162,155,254,.2),transparent 70%),radial-gradient(45% 40% at 5% 55%,rgba(76,201,240,.12),transparent 70%),radial-gradient(40% 35% at 70% 95%,rgba(255,143,199,.1),transparent 70%);background-repeat:no-repeat;background-size:100% 1100px}
.progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,#4cc9f0,#a29bfe,#ff8fc7,#ffd23f,#2ecc9a);z-index:20}
.step.on .card{box-shadow:0 8px 30px rgba(0,0,0,.35)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.chip{font:500 1rem var(--sans);color:var(--text);background:transparent;border:1px solid var(--line);border-radius:999px;padding:7px 14px;cursor:pointer;transition:background .2s,border-color .2s}
.chip:hover{background:rgba(255,255,255,.06);border-color:#a29bfe}
.dot{width:12px;height:12px;border-radius:50%;flex:none}
.tip{position:absolute;top:8px;pointer-events:none;background:rgba(21,26,35,.96);border:1px solid var(--line);border-radius:6px;padding:8px 11px;font:400 .9rem/1.5 var(--sans);z-index:3;white-space:nowrap}
.explore{box-shadow:0 12px 40px rgba(0,0,0,.3)}

/* --- v3: okunaklı yazı, yeşil onay kutusu, sahne geçişleri --- */
:root{--text:#f3f1ea}
body{font:400 1.0625rem/1.75 var(--sans);background-image:none}
h1,h2,h3,figcaption.t{font-family:var(--serif)}
p{max-width:66ch}.card p{font-size:1.05rem;line-height:1.7}
.explore p,.explore label,.read{font-family:var(--sans)}
input[type=checkbox]{appearance:none;-webkit-appearance:none;width:22px;height:22px;border:2px solid #6b7587;border-radius:6px;background:transparent;display:inline-grid;place-content:center;cursor:pointer;flex:none;transition:background .2s,border-color .2s}
input[type=checkbox]:checked{background:#2ecc71;border-color:#2ecc71}
input[type=checkbox]:checked::after{content:"";width:6px;height:11px;border:solid #0c1f14;border-width:0 3px 3px 0;transform:rotate(45deg) translate(-1px,-1px)}
.bgfx{position:fixed;inset:0;z-index:-1;pointer-events:none}
.bgl{position:absolute;inset:0;opacity:0;transition:opacity 1.6s ease}.bgl.on{opacity:1}
.bgl:nth-child(1){background:radial-gradient(60% 50% at 85% 12%,rgba(162,155,254,.28),transparent 70%),radial-gradient(45% 40% at 8% 80%,rgba(76,201,240,.16),transparent 70%)}
.bgl:nth-child(2){background:radial-gradient(55% 45% at 12% 20%,rgba(76,201,240,.2),transparent 70%),radial-gradient(50% 45% at 90% 85%,rgba(46,204,154,.14),transparent 70%)}
.bgl:nth-child(3){background:radial-gradient(55% 45% at 80% 15%,rgba(255,143,199,.2),transparent 70%),radial-gradient(50% 45% at 10% 85%,rgba(255,210,63,.13),transparent 70%)}
.bgl:nth-child(4){background:radial-gradient(55% 45% at 20% 15%,rgba(46,204,113,.16),transparent 70%),radial-gradient(50% 45% at 85% 90%,rgba(77,141,255,.18),transparent 70%)}
.rv{opacity:0;transform:translateY(36px);transition:opacity 1s cubic-bezier(.2,.7,.2,1),transform 1s cubic-bezier(.2,.7,.2,1)}.rv.in{opacity:1;transform:none}
.hero{transform:translateY(calc(var(--sy,0) * -.12px));will-change:transform}
.ill{width:56px;height:56px;display:block;margin-bottom:10px}.ill.sm{display:inline-block;width:38px;height:38px;margin:0 10px -8px 0}
.tribute{display:flex;gap:16px;align-items:flex-start;margin-top:36px;max-width:640px;padding:16px 18px;background:rgba(227,10,23,.08);border-left:3px solid #e30a17;border-radius:4px}
.tribute svg{width:46px;flex:none}.tribute p{margin:6px 0 0;font-size:1rem;line-height:1.6}.tribute .tn{color:var(--muted)}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.hero{transform:none}}

/* --- v4: sayfa sonu, açıklama alanı, boşluklar --- */
section{padding:88px 0}
section[aria-labelledby=sonuc] p{font-size:1.15rem;line-height:1.9;margin-bottom:1.6em;max-width:60ch}
section[aria-labelledby=sonuc] p:nth-of-type(2){border-left:3px solid #6b7587;padding-left:20px;color:var(--muted);font-size:1.05rem}
section[aria-labelledby=yontem] h2,section[aria-labelledby=sonuc] h2{margin-bottom:1.1em}
.two{gap:28px 56px}
.two p{background:rgba(255,255,255,.04);border-radius:8px;padding:20px 22px;margin:0 0 20px;font-size:1rem;line-height:1.85;max-width:none}
.two p b{display:block;margin-bottom:6px;color:#a29bfe;font-family:var(--sans)}
.xh{margin:44px 0 14px;font-size:1.3rem}
.explain .sm{font:400 1.08rem/1.8 var(--sans);max-width:70ch;margin:0 0 22px}
.xg{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.xc{background:rgba(255,255,255,.04);border-left:4px solid;border-radius:6px;padding:16px 18px}
.xc h4{margin:0 0 8px;font:600 1.05rem var(--sans)}
.xc p{margin:0 0 10px;font:400 1rem/1.7 var(--sans)}.xc .cm{color:var(--muted);margin:0}
footer .tribute{max-width:780px;margin:0 auto 56px;padding:28px 30px;gap:22px;align-items:center}
footer .tribute svg{width:64px}
footer .tribute blockquote{margin:0 0 14px;font:600 clamp(1.3rem,2.6vw,1.8rem)/1.4 var(--serif);color:var(--text)}
footer .tribute .who{font-size:1rem;color:var(--text);margin:0 0 12px}
footer .tribute .tn{font-size:1rem;line-height:1.75;margin:0}
footer{padding-top:56px}

/* --- v5: hızlı erişim, görseller, boşluklar --- */
html{scroll-padding-top:72px}
section.wrap{padding-top:96px;padding-bottom:96px}
.progress{z-index:40}
.topnav{position:sticky;top:0;z-index:30;display:flex;justify-content:center;gap:6px;overflow-x:auto;padding:10px 20px;background:rgba(21,26,35,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);scrollbar-width:none}
.topnav::-webkit-scrollbar{display:none}
.topnav a{font:500 1rem var(--sans);color:var(--muted);text-decoration:none;padding:7px 15px;border-radius:999px;white-space:nowrap;transition:background .3s,color .3s}
.topnav a:hover{color:var(--text);background:rgba(255,255,255,.08)}
.topnav a.on{background:var(--amber);color:#151a23}
.hero{position:relative}
.hero-art{position:absolute;right:20px;top:50%;margin-top:-190px;width:min(42%,460px)}
.hero-art svg{width:100%;display:block}
.hbar{transform-box:fill-box;transform-origin:bottom;animation:grow 1.4s cubic-bezier(.2,.7,.2,1) both}
@keyframes grow{from{transform:scaleY(0)}}
  .scrolly figure{top:72px;height:calc(100vh - 92px);border-radius:14px;padding:14px 14px 10px;background:rgba(21,26,35,.55);border:1px solid var(--line);overflow:hidden}
figure>figcaption,figure>svg,figure>.note{position:relative;z-index:1}
.scenes{position:absolute;inset:0;z-index:0;pointer-events:none}
.scn{position:absolute;inset:0;width:100%;height:100%;opacity:0;transform:scale(1.1);transition:opacity 1.4s ease,transform 2.6s cubic-bezier(.2,.7,.2,1)}
.scn.on{opacity:.3;transform:scale(1)}
@media(max-width:820px){
  .scrolly figure{top:56px;height:50vh}
  .hero-art{position:static;width:100%;max-width:420px;margin:28px 0 0}
  .topnav{justify-content:flex-start}
}

/* --- v6: görseller grafiğin arkasından çıktı, sol sütunda sabit sahne --- */
.stage{position:sticky;top:84px;z-index:3;height:min(42vh,380px);margin-bottom:calc(-1 * min(42vh,380px));border-radius:14px;overflow:hidden;background:#1c2330;border:1px solid var(--line);box-shadow:0 12px 36px rgba(0,0,0,.35)}
.stage .scn{opacity:0;transform:scale(1.07);transition:opacity 1.3s ease,transform 2.4s cubic-bezier(.2,.7,.2,1)}
.stage .scn.on{opacity:1;transform:scale(1)}
.scn:nth-child(1){background:radial-gradient(80% 80% at 50% 40%,rgba(255,159,69,.3),transparent 78%)}
.scn:nth-child(2){background:radial-gradient(80% 80% at 50% 40%,rgba(214,107,255,.28),transparent 78%)}
.scn:nth-child(3){background:radial-gradient(80% 80% at 50% 40%,rgba(255,210,63,.24),transparent 78%)}
.scn:nth-child(4){background:radial-gradient(80% 80% at 50% 40%,rgba(76,201,240,.3),transparent 78%)}
.scn:nth-child(5){background:radial-gradient(80% 80% at 50% 40%,rgba(139,212,80,.26),transparent 78%)}
.scn:nth-child(6){background:radial-gradient(80% 80% at 50% 40%,rgba(46,204,154,.3),transparent 78%)}
.step{min-height:100vh;align-items:flex-end;padding-bottom:9vh}
@media(max-width:820px){.stage{display:none}.step{min-height:75vh;align-items:center;padding-bottom:0}}

/* --- v7: sahne artık bölümün dışına taşmıyor --- */
.steps{display:grid;grid-template-columns:minmax(0,1fr)}
.stage{margin-bottom:0;grid-column:1;grid-row:1 / span 6;align-self:start}
.step{grid-column:1}
.step[data-i="0"]{grid-row:1}.step[data-i="1"]{grid-row:2}.step[data-i="2"]{grid-row:3}
.step[data-i="3"]{grid-row:4}.step[data-i="4"]{grid-row:5}.step[data-i="5"]{grid-row:6}

/* --- v8: sahne hikâye bölümünün dışına çıkamaz --- */
.scrolly{isolation:isolate;overflow:clip}
main > section.wrap{position:relative;z-index:2}
.explore{position:relative;z-index:2}

/* --- v9: açılış görseli çizgi grafiği --- */
.hline{stroke-dasharray:1;animation:draw 2.2s cubic-bezier(.3,.6,.2,1) both}
@keyframes draw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}


/* --- v10: semantik renk (kehribar = ortalamanın üstü, mavi = altı), yeni grafikler, erişilebilirlik --- */
:root{--up:#e3b45f;--down:#6aa9d8}
h1 .up{color:var(--up)}h1 .down{color:var(--down)}
.stage{grid-row:1 / span 8}
.step[data-i="6"]{grid-row:7}.step[data-i="7"]{grid-row:8}
.scn:nth-child(6){background:radial-gradient(80% 80% at 50% 40%,rgba(227,180,95,.26),transparent 78%)}
.scn:nth-child(7){background:radial-gradient(80% 80% at 50% 40%,rgba(106,169,216,.28),transparent 78%)}
.scn:nth-child(8){background:radial-gradient(80% 80% at 50% 40%,rgba(46,204,154,.3),transparent 78%)}
.lg{display:flex;flex-wrap:wrap;gap:6px 18px;font:500 .9rem var(--sans);color:var(--text);margin:0 0 6px;min-height:1.4em}
.lg[hidden]{display:none}
.lg span{display:inline-flex;align-items:center;gap:7px}
.sw{display:inline-block;width:14px;height:14px;border-radius:3px;flex:none}
.sw.up{background:var(--up)}.sw.down{background:var(--down)}.sw.gen{height:3px;width:20px;border-radius:2px;background:var(--text)}
.ann{font:600 12.5px var(--sans);fill:var(--text);paint-order:stroke;stroke:var(--bg);stroke-width:3.5px;stroke-linejoin:round}
.bl{font:500 13px var(--sans);fill:var(--text)}
.bv{font:600 12.5px var(--sans);fill:var(--text)}
.axt{font:12px var(--sans);fill:var(--muted)}
.tl{font:600 13px var(--sans);fill:#151a23}.tp{font:600 13px var(--sans);fill:#151a23}
.cfig{position:static;display:block;height:auto;grid-column:auto;margin:22px 0 8px;padding:16px 16px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(21,26,35,.72);overflow:visible}
.cfig>svg{width:100%;display:block}
.cfig figcaption.t{min-height:0;margin-bottom:8px}
section[aria-labelledby=siralama] p{font-size:1.0625rem}
details.tbl{margin:18px 0 0;font:400 1rem/1.6 var(--sans)}
details.tbl summary{cursor:pointer;color:var(--amber);padding:6px 0}
details.tbl table{border-collapse:collapse;width:100%;margin-top:10px;background:rgba(255,255,255,.03)}
details.tbl caption{text-align:left;padding:8px 10px;color:var(--muted)}
details.tbl th,details.tbl td{padding:8px 10px;border-top:1px solid var(--line);text-align:left}
details.tbl thead th{color:var(--muted);font-weight:600}
@media(max-width:820px){details.tbl{overflow-x:auto}details.tbl table{min-width:520px}}
.topnav .back{margin-right:6px;border:1px solid var(--line)}
.links{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 0}
.links li+li::before{content:"·";margin:0 .6em;color:var(--muted)}
.dot{border:2px solid #6b7587;background:transparent}

.lg b{font-weight:500}
@media(max-width:820px){.step{min-height:70vh;align-items:flex-end;padding-bottom:5vh}}
@media(max-width:820px){
  .scrolly .lg{font-size:.8rem;gap:2px 12px;margin:0 0 2px;min-height:0}
  .scrolly .lg .lw{display:none}.scrolly .lg .cp{text-transform:capitalize}
  .scrolly figure figcaption.t{font-size:.95rem;min-height:2.4em;margin:0 0 4px}
  .scrolly figure .note{font-size:.72rem;line-height:1.3;margin-top:2px}
  .scrolly figure{height:50vh;background:#151a23;border-radius:0 0 14px 14px}
  .cfig .note{font-size:.8rem}
}