:root{--ink:#120f0c;--paper:#efe2c4;--red:#b3261e;--gold:#d4b06a;--ui:"Inter",system-ui,sans-serif;--serif:"Playfair Display",Georgia,serif}
*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:#000;color:#fff;font-family:var(--ui)}
canvas#sahne{position:fixed;inset:0;width:100%;height:100%;display:block}
#bant::before,#bant::after{content:"";position:fixed;left:0;right:0;height:7vh;background:#000;z-index:2;transition:height 1.2s}
#bant::before{top:0}#bant::after{bottom:0}
body.kartta #bant::before,body.kartta #bant::after{height:0}
/* date stamp */
#tarih{position:fixed;left:4vw;top:calc(7vh + 3vh);z-index:5;font:600 clamp(18px,2.4vw,40px)/1.1 var(--serif);letter-spacing:.02em;color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.6);
  padding-left:18px;border-left:4px solid var(--red);clip-path:inset(0 100% 0 0);opacity:0}
#tarih.gor{animation:yaz 1.6s cubic-bezier(.6,0,.2,1) .3s forwards}
@keyframes yaz{from{clip-path:inset(0 100% 0 0);opacity:1}to{clip-path:inset(0 0 0 0);opacity:1}}
/* role badge */
#rol{position:fixed;right:4vw;top:calc(7vh + 3vh);z-index:5;display:flex;align-items:center;gap:10px;padding:8px 16px 8px 12px;border-radius:999px;
  background:rgba(12,10,8,.55);backdrop-filter:blur(8px);font:800 13px var(--ui);letter-spacing:.14em;text-transform:uppercase;border:1px solid rgba(255,255,255,.18);transition:.5s}
#rol i{width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold)}
#rol[data-rol=ogretmen] i{background:#7fd1a3;box-shadow:0 0 12px #7fd1a3;animation:nab 1.6s infinite}
#rol[data-rol=soru] i{background:#ff7a59;box-shadow:0 0 12px #ff7a59}
#rol:not([data-rol]){opacity:0}
@keyframes nab{50%{transform:scale(1.5);opacity:.6}}
/* subtitles */
#altyazi{position:fixed;left:50%;bottom:calc(7vh + 4vh);transform:translate(-50%,12px);z-index:5;max-width:min(78vw,1100px);text-align:center;
  font:500 clamp(18px,1.9vw,34px)/1.4 var(--ui);padding:.5em 1em;border-radius:10px;background:rgba(10,8,6,.5);backdrop-filter:blur(6px);opacity:0;transition:.6s}
#altyazi.gor{opacity:1;transform:translate(-50%,0)}
#altyazi.alinti{font:italic 600 clamp(20px,2.1vw,38px)/1.35 var(--serif);color:#f3e2bd;background:rgba(10,8,6,.35)}
/* teacher keywords */
#anahtar{position:fixed;left:4vw;top:50%;transform:translateY(-40%);z-index:5;display:flex;flex-direction:column;gap:14px;pointer-events:none}
#anahtar b{display:block;font:800 clamp(18px,2vw,34px)/1.15 var(--ui);padding:.45em .8em;background:rgba(239,226,196,.94);color:var(--ink);border-left:6px solid var(--red);border-radius:4px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);opacity:0;transform:translateX(-30px)}
#anahtar.gor b{animation:gir .7s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes gir{to{opacity:1;transform:none}}
#anahtar::after{content:"Öğretmen anlatıyor · hazır olunca ileri";font:600 13px var(--ui);letter-spacing:.1em;text-transform:uppercase;opacity:0;margin-top:6px;color:#fff;text-shadow:0 1px 8px #000}
#anahtar.gor::after{animation:gir .7s 2s forwards}
/* question */
#soru{position:fixed;left:50%;top:50%;transform:translate(-50%,-46%) scale(.97);z-index:6;width:min(86vw,980px);padding:clamp(18px,3vw,40px);border-radius:14px;
  background:linear-gradient(#f3e8cf,#e8d8b4);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:.6s cubic-bezier(.2,.8,.2,1)}
#soru.gor{opacity:1;pointer-events:auto;transform:translate(-50%,-50%)}
#soru::before{content:"SINIFA SORU";display:inline-block;font:800 12px var(--ui);letter-spacing:.2em;color:#fff;background:var(--red);padding:5px 10px;border-radius:4px;margin-bottom:12px}
#soru .s{font:700 clamp(20px,2.2vw,38px)/1.25 var(--serif);margin:0 0 .8em}
#soru .sec{display:grid;gap:12px}
#soru button{all:unset;cursor:pointer;display:flex;align-items:center;gap:16px;padding:.7em 1em;border-radius:10px;background:rgba(255,255,255,.65);border:2px solid rgba(18,15,12,.2);
  font:600 clamp(16px,1.6vw,28px)/1.25 var(--ui);transition:.25s}
#soru button em{font-style:normal;flex:none;width:1.8em;height:1.8em;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--paper);font-weight:800}
#soru button:hover:not(:disabled){border-color:var(--ink);transform:translateX(4px)}
#soru button.dogru{background:#2f7d4f;color:#fff;border-color:#2f7d4f}#soru button.dogru em{background:#fff;color:#2f7d4f}
#soru button.yanlis{background:#e9c6bd;border-color:var(--red);opacity:.7;animation:salla .4s}
#soru button:disabled{cursor:default}
@keyframes salla{25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}
#soru .ipucu{min-height:1.4em;margin:.8em 0 0;font:600 clamp(14px,1.3vw,22px) var(--ui);color:var(--red)}
/* map */
#harita{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.96);z-index:4;width:min(88vw,1400px);border-radius:8px;overflow:hidden;
  box-shadow:0 0 0 10px #d9c69d,0 0 0 12px #6b5236,0 40px 120px rgba(0,0,0,.6);opacity:0;transition:opacity 1.6s ease-in-out,transform 1.8s}
#harita.gor{opacity:1;transform:translate(-50%,-50%)}
#harita svg{display:block;width:100%;height:auto}
#harita text{font-family:var(--serif)}#harita .ad{font-size:17px;font-weight:800;fill:#2b1d10}#harita .tr{font-size:13px;font-style:italic;fill:#7a2a1e}
#harita .deniz{font-size:22px;fill:#5b7068;font-style:italic;letter-spacing:.1em}#harita .kara{font-size:18px;fill:#9c8660;letter-spacing:.1em}
#harita .pusula text{font-size:12px;fill:#6b5236}#harita .yer{transition:opacity .8s}
/* dissolve + progress */
#erime{position:fixed;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;opacity:0}
#ilerleme{position:fixed;left:0;right:0;bottom:7vh;height:3px;z-index:6;background:rgba(255,255,255,.12)}
#ilerleme i{display:block;height:100%;width:0;background:var(--gold);transition:width .3s linear}
body.kartta #ilerleme,body.temiz #ilerleme{opacity:0}
body.altyazisiz #altyazi{display:none}
#oynat .oyn{display:none}body.durdu #oynat .oyn{display:block}body.durdu #oynat .dur{display:none}
body.durdu canvas#sahne{filter:brightness(.7) saturate(.8);transition:filter .4s}
#kontrol{opacity:.0;transition:opacity .4s}body:hover #kontrol,body.durdu #kontrol{opacity:1}
/* controls */
#kontrol{position:fixed;right:3vw;bottom:calc(7vh + 2vh);z-index:7;display:flex;gap:10px}
#kontrol button{all:unset;cursor:pointer;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:rgba(12,10,8,.55);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(8px);transition:.3s}
#kontrol button:hover{background:rgba(12,10,8,.8)}#kontrol svg{width:24px;height:24px;fill:#fff}
#ileri.hazir{background:var(--red);border-color:var(--red);animation:hazir 2s infinite}
@keyframes hazir{0%,100%{box-shadow:0 0 0 0 rgba(179,38,30,.6)}50%{box-shadow:0 0 0 14px rgba(179,38,30,0)}}
#noktalar{position:fixed;left:50%;bottom:calc(7vh - 26px);transform:translateX(-50%);z-index:7;display:flex;gap:8px}
#noktalar i{width:28px;height:4px;border-radius:2px;background:rgba(255,255,255,.25);transition:.4s}#noktalar i.on{background:var(--gold)}
body.kartta #kontrol,body.kartta #tarih{opacity:0!important}
body.temiz #kontrol{opacity:0!important}
/* cards */
.kart{position:fixed;inset:0;z-index:8;display:grid;place-items:center;text-align:center;background:radial-gradient(ellipse at center,rgba(10,8,6,.35),rgba(10,8,6,.85));opacity:0;pointer-events:none;transition:opacity 1.2s}
.kart.gor{opacity:1;pointer-events:auto}
.kart .ic{max-width:900px;padding:24px}
.kart .ust{font:800 13px var(--ui);letter-spacing:.32em;color:var(--gold);text-transform:uppercase}
.kart h1{font:800 clamp(40px,6.5vw,110px)/1 var(--serif);margin:.25em 0 .2em;text-shadow:0 6px 40px rgba(0,0,0,.6)}
.kart h2{font:italic 600 clamp(20px,2.4vw,40px)/1.2 var(--serif);margin:0;color:var(--paper)}
.kart .soz{margin:.5em auto .6em;max-width:16em;font:italic 600 clamp(30px,4.4vw,72px)/1.15 var(--serif);text-shadow:0 6px 40px rgba(0,0,0,.6)}
.kart .soz cite{display:block;margin-top:.6em;font:800 13px var(--ui);font-style:normal;letter-spacing:.3em;text-transform:uppercase;color:var(--gold)}
.kart .cizgi{width:80px;height:3px;background:var(--red);margin:28px auto}
.kart button{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:12px;margin-top:10px;padding:16px 30px;border-radius:999px;background:var(--red);font:800 18px var(--ui);letter-spacing:.06em;box-shadow:0 14px 40px rgba(179,38,30,.45);transition:.3s}
.kart button:hover{transform:translateY(-2px)}
.kart .tus{margin-top:26px;font:600 13px var(--ui);color:rgba(255,255,255,.65);letter-spacing:.06em}
.kart .tus kbd{font:700 12px var(--ui);padding:3px 7px;border-radius:5px;border:1px solid rgba(255,255,255,.35);margin:0 3px}
/* chapter navigation (end card) */
.kart .ikili{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.kart a.btn{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:12px;margin-top:10px;padding:16px 30px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);font:800 18px var(--ui);letter-spacing:.06em;transition:.3s}
.kart a.btn.ana{background:var(--red);border-color:var(--red);box-shadow:0 14px 40px rgba(179,38,30,.45)}
.kart a.btn:hover{transform:translateY(-2px)}
.kart .bolumler{margin-top:22px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.kart .bolumler a{color:rgba(255,255,255,.7);font:600 13px var(--ui);letter-spacing:.08em;text-decoration:none;padding:6px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.2)}
.kart .bolumler a.on{color:var(--gold);border-color:var(--gold)}
/* telegram card */
#telgraf{position:fixed;left:50%;top:46%;transform:translate(-50%,-50%) rotate(-1.2deg) scale(.96);z-index:4;width:min(70vw,860px);padding:clamp(18px,2.6vw,40px) clamp(20px,3vw,48px);
  background:#efe4c8;color:#2a2118;box-shadow:0 30px 90px rgba(0,0,0,.55);opacity:0;transition:opacity 1.2s,transform 1.4s;border-radius:3px}
#telgraf.gor{opacity:1;transform:translate(-50%,-50%) rotate(-1.2deg)}
#telgraf .ust{display:flex;justify-content:space-between;font:800 12px var(--ui);letter-spacing:.25em;color:#7a2a1e;border-bottom:2px solid #7a2a1e;padding-bottom:8px;margin-bottom:16px}
#telgraf p{font:600 clamp(16px,1.7vw,28px)/1.45 "Courier New",monospace;margin:0;min-height:5em;white-space:pre-wrap}

.kart .yukleme{margin-top:14px;font:600 13px var(--ui);letter-spacing:.1em;color:var(--gold);opacity:0;transition:opacity .4s}
body.yukleniyor .kart#kart{opacity:1;pointer-events:none}
body.yukleniyor .kart .yukleme{opacity:1}
body.yukleniyor .kart #kart button{opacity:.4}
.kart .soz small{display:block;margin-top:.7em;font:italic 500 clamp(16px,1.6vw,26px)/1.3 var(--serif);color:var(--paper);opacity:.85}
#harita .sd{font:800 14px var(--serif);fill:#7a2a1e}#harita .sy{font:700 15px var(--serif);fill:#2b1d10}

/* ---------------- motion graphics (js/grafik.js) ---------------- */
.grafik{position:fixed;inset:0;pointer-events:none;z-index:4}
body.temiz .grafik .bilgiler,body.kartta .grafik{opacity:0}
/* callouts pinned to the 3D scene */
.etiket{position:absolute;left:0;top:0;width:0;height:0;will-change:transform}
.etiket .nokta{position:absolute;left:-6px;top:-6px;width:12px;height:12px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(212,176,106,.25),0 0 14px rgba(0,0,0,.5);transform:scale(0);transition:transform .45s cubic-bezier(.3,1.6,.5,1)}
.etiket .nokta::after{content:"";position:absolute;inset:-10px;border-radius:50%;border:1.5px solid var(--gold);opacity:0}
.etiket.gor .nokta::after{animation:dalgala 2.4s 1s infinite}
@keyframes dalgala{0%{transform:scale(.4);opacity:.9}100%{transform:scale(1.6);opacity:0}}
.etiket .cizgi{position:absolute;left:-1px;bottom:0;width:2px;height:var(--boy);background:linear-gradient(var(--gold),rgba(212,176,106,.2));transform-origin:bottom;transform:scaleY(0);transition:transform .5s .25s cubic-bezier(.6,0,.2,1)}
.etiket .kutu{position:absolute;left:0;bottom:var(--boy);white-space:nowrap;padding:.38em .8em .42em;background:rgba(14,11,8,.72);backdrop-filter:blur(6px);border-left:3px solid var(--red);
  clip-path:inset(0 100% 0 0);transition:clip-path .6s .7s cubic-bezier(.6,0,.2,1)}
.etiket.sol .kutu{left:auto;right:0;border-left:0;border-right:3px solid var(--red);text-align:right;clip-path:inset(0 0 0 100%)}
.etiket .kutu b{display:block;font:700 clamp(14px,1.35vw,24px)/1.15 var(--serif);color:#fff;letter-spacing:.01em}
.etiket .kutu span{display:block;font:600 clamp(10px,.85vw,15px)/1.3 var(--ui);color:var(--gold);letter-spacing:.08em;text-transform:uppercase;margin-top:2px}
.etiket.gor .nokta{transform:scale(1)}.etiket.gor .cizgi{transform:scaleY(1)}.etiket.gor .kutu{clip-path:inset(0 0 0 0)}
.etiket:not(.gor) .kutu{transition-delay:0s}.etiket:not(.gor) .cizgi{transition-delay:.3s}.etiket:not(.gor) .nokta{transition-delay:.6s}
/* keyword chips */
.bilgiler{position:absolute;left:4vw;top:calc(7vh + 13vh);display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.bilgi{position:relative;padding:.5em 1em .55em 1.1em;background:rgba(239,226,196,.95);color:var(--ink);border-radius:3px;box-shadow:0 12px 34px rgba(0,0,0,.35);
  clip-path:inset(0 100% 0 0);transform:translateX(-14px);opacity:0;transition:clip-path .7s cubic-bezier(.6,0,.2,1),transform .7s,opacity .3s}
.bilgi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--red)}
.bilgi b{display:block;font:800 clamp(15px,1.45vw,26px)/1.15 var(--ui)}
.bilgi span{display:block;font:600 clamp(11px,.95vw,17px)/1.3 var(--ui);color:#6b5236;margin-top:3px}
.bilgi.gor{clip-path:inset(0 0 0 0);transform:none;opacity:1}
/* clock */
.saat{position:absolute;right:4vw;top:calc(7vh + 12vh);display:grid;grid-template-columns:auto auto;align-items:center;column-gap:14px;opacity:0;transform:translateY(-10px);transition:.7s}
.saat.gor{opacity:1;transform:none}
.saat svg{grid-row:span 2;width:clamp(52px,4.6vw,84px);height:auto;filter:drop-shadow(0 4px 14px rgba(0,0,0,.5))}
.saat .kadran{fill:rgba(239,226,196,.93);stroke:var(--gold);stroke-width:3}.saat .cizik{stroke:#3b2a1a;stroke-width:2.5}
.saat .akrep{stroke:#120f0c;stroke-width:5;stroke-linecap:round}.saat .yelkovan{stroke:#120f0c;stroke-width:3;stroke-linecap:round}.saat .gobek{fill:var(--red)}
.saat b{font:800 clamp(22px,2.3vw,40px)/1 var(--serif);color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.6);font-variant-numeric:tabular-nums}
.saat small{font:600 clamp(10px,.85vw,14px) var(--ui);letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
/* 1919 -> 1923 timeline */
.zaman{position:absolute;right:5vw;top:calc(7vh + 2.6vh);width:min(34vw,560px);transform:translateY(-8px);opacity:0;transition:opacity .8s,transform .8s}
.zaman.gor{opacity:1;transform:none}
.zaman .ray{position:relative;height:3px;background:rgba(255,255,255,.28);border-radius:2px;margin:26px 0 30px}
.zaman .dolu{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--gold);border-radius:2px}
.zaman .don{position:absolute;top:-4px;width:11px;height:11px;margin-left:-5.5px;border-radius:50%;background:#1a140f;border:2px solid var(--gold)}
.zaman .don em{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);font:italic 600 clamp(11px,.9vw,15px) var(--serif);color:#fff;white-space:nowrap;text-shadow:0 1px 8px #000}
.zaman .don small{position:absolute;top:15px;left:50%;transform:translateX(-50%);font:700 clamp(9px,.7vw,12px) var(--ui);color:var(--gold);letter-spacing:.06em;white-space:nowrap;text-shadow:0 1px 6px #000}
.zaman .yilc{display:none}
.zaman .imlec{position:absolute;top:-9px;margin-left:-10px;width:20px;height:20px}
.zaman .imlec i{position:absolute;inset:0;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(179,38,30,.3),0 0 18px rgba(179,38,30,.8)}
/* lower-third name band */
.kim{position:absolute;left:4vw;top:calc(7vh + 9vh);padding:.6em 1.2em .65em 1em;border-left:4px solid var(--gold);background:linear-gradient(90deg,rgba(12,10,8,.78),rgba(12,10,8,0));
  clip-path:inset(0 100% 0 0);transition:clip-path .8s cubic-bezier(.6,0,.2,1)}
.kim.gor{clip-path:inset(0 0 0 0)}
.kim small{display:block;font:800 clamp(9px,.75vw,13px) var(--ui);letter-spacing:.24em;color:var(--gold)}
.kim b{display:block;font:700 clamp(18px,1.8vw,32px)/1.15 var(--serif);color:#fff;margin-top:3px}
.kim span{display:block;font:500 clamp(12px,1vw,18px) var(--ui);color:rgba(255,255,255,.75);margin-top:2px}
/* quote mark on witness subtitles */
#altyazi.alinti::before{content:"\201C";position:absolute;left:-.15em;top:-.55em;font:italic 800 2.6em/1 var(--serif);color:var(--gold);opacity:.75}
/* title card entrance */
.kart.gor .ic>*{animation:kartGir 1s cubic-bezier(.2,.8,.2,1) both}
.kart.gor .ic>:nth-child(2){animation-delay:.15s}.kart.gor .ic>:nth-child(3){animation-delay:.35s}.kart.gor .ic>:nth-child(4){animation-delay:.55s}.kart.gor .ic>:nth-child(n+5){animation-delay:.75s}
@keyframes kartGir{from{opacity:0;transform:translateY(24px);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
.kart.gor .ic>.cizgi{animation:cizgiAc 1.2s .5s cubic-bezier(.6,0,.2,1) both}
@keyframes cizgiAc{from{width:0}to{width:80px}}
/* chapter-to-chapter */
.kart .sonraki{margin:22px auto 0;max-width:420px;text-align:left}
.kart .sonraki span{display:block;font:700 13px var(--ui);letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.kart .sonraki div{height:3px;background:rgba(255,255,255,.18);border-radius:2px;overflow:hidden}.kart .sonraki i{display:block;height:100%;width:0;background:var(--gold)}
body::after{content:"";position:fixed;inset:0;background:#000;opacity:0;pointer-events:none;z-index:20;transition:opacity 1.2s}
body.karart::after{opacity:1}
.kart .bekle{display:none!important;margin-top:16px}body.sesbekle .kart .bekle{display:inline-flex!important}
body.sesbekle .kart#kart{opacity:1;pointer-events:auto}
body.devam .kart#kart{background:#000;place-items:end center;padding-bottom:14vh}
body.devam .kart#kart .ic>*:not(.yukleme):not(.bekle){display:none}
body.devam .kart#kart .yukleme{font-size:0;animation:devamYuk .8s 2.5s both}
@keyframes devamYuk{from{opacity:0}to{opacity:.7}}

/* loading progress (js/sayac.js) */
.kart .yukleme{position:relative;padding-bottom:10px}
.kart .yukleme::after{content:"";position:absolute;left:50%;bottom:0;width:220px;margin-left:-110px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--gold) var(--y,0%),rgba(255,255,255,.18) var(--y,0%))}
body.yukleniyor .kart#kart button:not(.bekle){display:none}