/* Defter · Pars — defter kağıdı + mühür teması */
:root{
  --navy-deep:#081d33; --navy:#0d2b4a; --navy-2:#103d66;
  --teal:#3ad0dd; --teal-ink:#1abc9c; --teal-soft:rgba(58,208,221,.14);
  --paper:#faf7f0; --cream:#f0ece0; --ink:#16232f; --ink-soft:#4a5568;
  --rule:rgba(13,43,74,.075); --margin:rgba(214,92,78,.38); --coral:#d65c4e; --gold:#f0a832;
  --serif:'PT Serif',Georgia,serif; --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif; --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* üst şerit */
.ust{position:sticky;top:0;z-index:20;background:rgba(8,29,51,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.06)}
.ust .wrap{display:flex;align-items:center;gap:14px;height:62px}
.marka{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.marka img{width:30px;height:30px;border-radius:8px}
.marka b{font-family:var(--serif);font-size:22px;letter-spacing:.2px}
.marka small{font-size:12px;color:#8fa3b8;margin-top:5px}
.ust nav{margin-left:auto;display:flex;gap:22px;align-items:center}
.ust nav a{color:#c9d6e3;text-decoration:none;font-size:14px}
.ust nav a:hover{color:#fff}
.kilit{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--teal);border:1px solid rgba(58,208,221,.35);border-radius:99px;padding:5px 11px}

/* kahraman */
.kahraman{position:relative;color:#eaf1f7;background:
  linear-gradient(rgba(58,208,221,.05) 1px,transparent 1px) 0 0/100% 34px,
  linear-gradient(90deg,transparent 71px,rgba(214,92,78,.22) 71px,rgba(214,92,78,.22) 72px,transparent 72px),
  linear-gradient(160deg,var(--navy-deep) 0%,var(--navy) 55%,var(--navy-2) 100%);
  overflow:hidden}
.kahraman .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:84px}
.ust-yazi{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin:0 0 18px}
h1{font-family:var(--serif);font-weight:700;font-size:clamp(36px,5vw,58px);line-height:1.06;margin:0 0 22px;color:#fff}
h1 em{color:var(--teal);font-style:italic}
.kahraman p.giris{font-size:18.5px;color:#c4d2df;max-width:520px;margin:0 0 30px}
.dugmeler{display:flex;gap:12px;flex-wrap:wrap}
.btn{appearance:none;border:0;cursor:pointer;font:600 15px/1 var(--sans);padding:15px 22px;border-radius:12px;display:inline-flex;align-items:center;gap:10px;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s}
.btn:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.btn-teal{background:var(--teal);color:var(--navy-deep);box-shadow:0 8px 24px rgba(58,208,221,.25)}
.btn-teal:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(58,208,221,.33)}
.btn-hayalet{background:transparent;color:#dbe6f0;border:1px solid rgba(255,255,255,.22)}
.btn-hayalet:hover{border-color:rgba(255,255,255,.45)}
.btn-lacivert{background:var(--navy);color:#fff}
.btn-lacivert:hover{background:var(--navy-2)}
.btn-ince{background:transparent;color:var(--navy);border:1px solid rgba(13,43,74,.25)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.kanitlar{display:flex;gap:18px;flex-wrap:wrap;margin-top:34px;padding:0;list-style:none}
.kanitlar li{display:flex;align-items:center;gap:8px;font-size:14px;color:#aebfcf}
.kanitlar li::before{content:"✓";color:var(--teal);font-weight:700}

/* 3B defter */
.sahne{perspective:1300px;height:420px;position:relative}
.yigin{position:absolute;inset:10px 0 0 30px;transform-style:preserve-3d;transform:rotateX(16deg) rotateY(-22deg) rotateZ(2deg);transition:transform .25s ease-out}
.yaprak{position:absolute;inset:0;border-radius:12px;background:var(--paper);box-shadow:0 30px 60px rgba(0,0,0,.35)}
.yaprak.y3{transform:translateZ(-60px) translate(26px,22px);background:#e8e2d3;opacity:.8}
.yaprak.y2{transform:translateZ(-30px) translate(13px,11px);background:#f1ece0;opacity:.9}
.yaprak.y1{transform:translateZ(0);overflow:hidden;color:var(--ink);
  background:linear-gradient(var(--rule) 1px,transparent 1px) 0 46px/100% 34px,linear-gradient(90deg,transparent 46px,var(--margin) 46px,var(--margin) 47px,transparent 47px),var(--paper)}
.yaprak .ust-satir{display:flex;justify-content:space-between;padding:14px 18px 10px 60px;font:600 11px var(--mono);letter-spacing:.06em;color:#7a8794;text-transform:uppercase;border-bottom:1.5px solid rgba(13,43,74,.18)}
.satir{display:grid;grid-template-columns:.9fr 1.1fr 1.2fr 18px;gap:8px;align-items:center;height:34px;padding:0 16px 0 58px;font:500 12.5px var(--mono);color:#24384b}
.satir span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.satir span:nth-child(3){text-align:right}
.satir i{font-style:normal;color:var(--teal-ink);font-weight:700;opacity:0;transform:scale(.4);animation:tik 7s infinite}
.satir:nth-child(2) i{animation-delay:.5s}.satir:nth-child(3) i{animation-delay:1s}.satir:nth-child(4) i{animation-delay:1.5s}
.satir:nth-child(5) i{animation-delay:2s}.satir:nth-child(6) i{animation-delay:2.5s}.satir:nth-child(7) i{animation-delay:3s}.satir:nth-child(8) i{animation-delay:3.5s}
@keyframes tik{0%,4%{opacity:0;transform:scale(.4)}8%,88%{opacity:1;transform:scale(1)}96%,100%{opacity:0}}
.toplam-satir{position:absolute;left:60px;right:18px;bottom:54px;display:flex;justify-content:space-between;border-top:2px double rgba(13,43,74,.45);padding-top:10px;font:700 14px var(--mono)}
.muhur{position:absolute;left:38%;bottom:50px;width:128px;height:128px;transform:translateZ(30px) rotate(-14deg) scale(1.6);opacity:0;animation:bas 7s infinite;animation-delay:4.2s;pointer-events:none}
@keyframes bas{0%{opacity:0;transform:translateZ(30px) rotate(-14deg) scale(1.6)}5%{opacity:.92;transform:translateZ(30px) rotate(-14deg) scale(1)}80%{opacity:.92;transform:translateZ(30px) rotate(-14deg) scale(1)}90%,100%{opacity:0;transform:translateZ(30px) rotate(-14deg) scale(1)}}
@media (prefers-reduced-motion:reduce){.satir i,.muhur{animation:none;opacity:1;transform:none}.yigin{transition:none}}

/* bölümler */
section{padding:84px 0}
.bolum-baslik{display:flex;align-items:baseline;gap:14px;margin:0 0 36px}
.bolum-baslik span{font:italic 700 18px var(--serif);color:var(--teal-ink)}
h2{font-family:var(--serif);font-size:clamp(28px,3.4vw,38px);margin:0;color:var(--navy)}
.adimlar{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative}
.adimlar::before{content:"";position:absolute;top:34px;left:12%;right:12%;border-top:2px dashed rgba(13,43,74,.18)}
.adim{position:relative;background:#fff;border:1px solid rgba(13,43,74,.08);border-radius:var(--r);padding:26px 24px;box-shadow:0 2px 0 rgba(13,43,74,.04)}
.adim .ikon{width:56px;height:56px;border-radius:14px;background:var(--navy);color:var(--teal);display:grid;place-items:center;margin-bottom:16px}
.adim h3{margin:0 0 8px;font-size:18px;color:var(--navy)}
.adim p{margin:0;color:var(--ink-soft);font-size:15px}

/* çalışma masası */
.masa{background:linear-gradient(var(--rule) 1px,transparent 1px) 0 0/100% 32px,linear-gradient(90deg,transparent 54px,var(--margin) 54px,var(--margin) 55px,transparent 55px),var(--cream);border-top:1px solid rgba(13,43,74,.08);border-bottom:1px solid rgba(13,43,74,.08)}
.kart{background:#fff;border:1px solid rgba(13,43,74,.1);border-radius:18px;box-shadow:0 18px 40px rgba(13,43,74,.08);padding:28px;margin-bottom:22px}
.kart h3{display:flex;align-items:center;gap:12px;margin:0 0 18px;font-family:var(--serif);font-size:22px;color:var(--navy)}
.kart h3 .no{width:30px;height:30px;border-radius:50%;background:var(--navy);color:var(--teal);font:700 14px var(--sans);display:grid;place-items:center}
label.birak{display:block}
.birak{border:2px dashed rgba(13,43,74,.25);border-radius:14px;padding:34px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:var(--paper)}
.birak:hover,.birak.uzerinde{border-color:var(--teal-ink);background:#effaf8}
.birak b{display:block;font-size:17px;color:var(--navy);margin-bottom:6px}
.birak small{color:var(--ink-soft)}
.dosyalar{display:grid;gap:10px;margin-top:16px}
.dosya{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;border:1px solid rgba(13,43,74,.1);border-radius:12px;padding:12px 14px;background:#fbfdfd}
.dosya .rozet{font:700 11px var(--sans);letter-spacing:.06em;text-transform:uppercase;padding:5px 9px;border-radius:7px;background:var(--teal-soft);color:#0b6f78}
.dosya .rozet.bilinmiyor{background:#f3e7e5;color:#9a3b30}
.dosya .bilgi b{display:block;font-size:14.5px;word-break:break-all}
.dosya .bilgi small{color:var(--ink-soft);font-size:13px}
.dosya select{font:500 13px var(--sans);border:1px solid rgba(13,43,74,.2);border-radius:8px;padding:6px 8px;background:#fff}
.talep{display:grid;gap:14px}
.talep label{font-weight:600;font-size:14px;color:var(--navy)}
.talep textarea,.talep input[type=text]{width:100%;font:16px var(--sans);border:1px solid rgba(13,43,74,.22);border-radius:12px;padding:13px 14px;background:var(--paper);color:var(--ink)}
.talep textarea{min-height:70px;resize:vertical}
.talep textarea:focus,.talep input:focus{outline:2px solid var(--teal);border-color:transparent}
.anladim{font-size:14px;color:#0b6f78;min-height:20px}
.kaliplar{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.kalip{position:relative;text-align:left;border:1.5px solid rgba(13,43,74,.14);background:#fff;border-radius:12px;padding:14px;cursor:pointer;font:inherit;color:inherit;transition:border-color .15s,box-shadow .15s}
.kalip b{display:block;font-size:14.5px;color:var(--navy);margin-bottom:4px}
.kalip small{color:var(--ink-soft);font-size:12.5px;line-height:1.4;display:block}
.kalip[aria-pressed=true]{border-color:var(--teal-ink);box-shadow:0 0 0 3px rgba(26,188,156,.15);background:#f4fcfb}
.kalip[aria-pressed=true]::after{content:"✓";position:absolute;top:10px;right:12px;color:var(--teal-ink);font-weight:700}
.satir-2{display:grid;grid-template-columns:240px 1fr;gap:14px;align-items:end}
.uyari{border-radius:12px;padding:12px 14px;background:#fff6e5;border:1px solid #f3d29a;color:#7a4b00;font-size:14px}
.uyari.kirmizi{background:#fdeceb;border-color:#f1b8b1;color:#8a2a1f}

/* sonuç */
.sonuc-ust{display:grid;grid-template-columns:180px 1fr;gap:26px;align-items:center}
.mühür,.muhur2{width:170px;height:170px;transform:rotate(-12deg)}
.muhur2.bas{animation:bas2 .55s cubic-bezier(.2,1.4,.4,1) both}
@keyframes bas2{0%{opacity:0;transform:rotate(-12deg) scale(1.9)}100%{opacity:1;transform:rotate(-12deg) scale(1)}}
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.kpi div{background:var(--paper);border:1px solid rgba(13,43,74,.08);border-radius:12px;padding:12px 14px}
.kpi small{display:block;color:var(--ink-soft);font-size:12.5px}
.kpi b{font:600 18px var(--mono);color:var(--navy)}
.yontem{display:grid;gap:8px;margin:22px 0}
.yontem div{display:grid;grid-template-columns:230px 1fr 70px;gap:12px;align-items:center;font-size:13.5px}
.yontem .cubuk{height:9px;border-radius:9px;background:#e9eef3;overflow:hidden}
.yontem .cubuk i{display:block;height:100%;background:linear-gradient(90deg,var(--teal-ink),var(--teal));border-radius:9px}
table.tablo{width:100%;border-collapse:collapse;font-size:14px}
.tablo th{text-align:left;font:600 12px var(--sans);letter-spacing:.05em;text-transform:uppercase;color:#6b7a89;border-bottom:1.5px solid rgba(13,43,74,.2);padding:9px 8px}
.tablo td{border-bottom:1px solid var(--rule);padding:9px 8px}
.tablo td.sag,.tablo th.sag{text-align:right}
.indir-satiri{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:24px}
.indir-satiri small{color:var(--ink-soft)}

/* gizlilik + alt */
.gizlilik{background:var(--navy-deep);color:#c9d6e3}
.gizlilik .wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:center}
.gizlilik h2{color:#fff}
.gizlilik p{font-size:16.5px}
.akis{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font:500 14px var(--mono)}
.akis span{border:1px solid rgba(58,208,221,.35);border-radius:10px;padding:10px 12px;color:#dff7f9;background:rgba(58,208,221,.06)}
.akis em{color:var(--teal);font-style:normal;font-size:20px}
.akis .yok{border-style:dashed;color:#7d8ea0;text-decoration:line-through}
footer{background:#06172a;color:#7d8ea0;font-size:13.5px;padding:26px 0}
footer .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* meşgul katmanı */
#mesgul{position:fixed;inset:0;background:rgba(8,29,51,.55);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:50}
#mesgul[hidden]{display:none}
#mesgul .kutu{background:#fff;border-radius:16px;padding:26px 30px;display:flex;gap:16px;align-items:center;box-shadow:0 30px 60px rgba(0,0,0,.3);max-width:440px}
.donen{width:28px;height:28px;border-radius:50%;border:3px solid #dfe9ef;border-top-color:var(--teal-ink);animation:don 1s linear infinite;flex:none}
@keyframes don{to{transform:rotate(360deg)}}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

@media (max-width:900px){
  .kahraman .wrap{grid-template-columns:1fr;padding-top:48px}
  .sahne{height:330px}
  .adimlar{grid-template-columns:1fr}.adimlar::before{display:none}
  .gizlilik .wrap,.sonuc-ust,.satir-2{grid-template-columns:1fr}
  .ust nav a{display:none}
  .yontem div{grid-template-columns:1fr 70px}.yontem .cubuk{grid-column:1/-1;order:3}
}

.ornek-satiri{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:16px}
.ornek-satiri small{color:var(--ink-soft)}
#dosya-uyari{margin-top:14px}
#kart-talep[aria-disabled=true]{opacity:.55;pointer-events:none}

.tablo-kap{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:600px){
  .kilit,.marka small{display:none}
  .kart{padding:20px}
  .kpi{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi b{font-size:15px}
  .sahne{height:300px}
  .yigin{inset:0 6px 0 6px;transform:rotateX(10deg) rotateY(-12deg) rotateZ(1deg)}
  .yaprak.y1{background:linear-gradient(var(--rule) 1px,transparent 1px) 0 46px/100% 34px,linear-gradient(90deg,transparent 30px,var(--margin) 30px,var(--margin) 31px,transparent 31px),var(--paper)}
  .satir{font-size:11px;grid-template-columns:.85fr 1.05fr 1.2fr 14px;padding:0 10px 0 38px}
  .yaprak .ust-satir{padding-left:38px;padding-right:10px}
  .toplam-satir{left:38px;right:10px;font-size:12px}
  .muhur{width:104px;height:104px;bottom:40px}
  .sonuc-ust{justify-items:center}
  .indir-satiri .btn{width:100%;justify-content:center}
}