/* Emre Aksoy — fotograf portfolyosu. Koyu, tipografik, gorsel once. */
:root{
  --zemin:#0b0b0c;
  --zemin-2:#121214;
  --murekkep:#f2f2f0;
  --sonuk:#8b8b8f;
  --cizgi:#232327;
  --vurgu:#f2f2f0;
  --bosluk:10px;
  --bosluk-kapak:18px;
  --sira-boy:300px;
  --sutun:300px;   /* kapak izgarasinda bir fotografin azami genisligi */
  --gecis:280ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--zemin);color:var(--murekkep);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-weight:300;line-height:1.5;-webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;min-height:100vh;
}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.gizli{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.atla{position:absolute;left:-9999px;top:0;background:var(--murekkep);color:var(--zemin);padding:10px 16px;z-index:100}
.atla:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--murekkep);outline-offset:3px}

/* ---- ust ---- */
.ust{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:18px clamp(14px,3vw,34px);
  background:rgba(11,11,12,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--cizgi);
}
.marka{display:flex;flex-direction:column;line-height:1.15}
.marka-ad{font-size:15px;font-weight:500;letter-spacing:.24em}
.marka-alt{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--sonuk);margin-top:3px}
.gezinme{display:flex;gap:clamp(16px,3vw,32px);font-size:11px;letter-spacing:.2em;text-transform:uppercase}
.gezinme a{color:var(--sonuk);padding:6px 0;border-bottom:1px solid transparent;transition:color var(--gecis),border-color var(--gecis)}
.gezinme a:hover,.gezinme a:focus-visible{color:var(--murekkep);border-color:var(--murekkep)}

main{flex:1 0 auto}

/* ---- adaletli izgara (satir yuksekligi sabit, en-boy oranina gore esnek) ---- */
.izgara{display:flex;flex-wrap:wrap;gap:var(--bosluk);padding:var(--bosluk)}

/* kapak izgarasi: esit genislikte sutunlar, fotograf azami --sutun kadar buyur */
.izgara-kapak{
  display:block;column-width:var(--sutun);column-gap:var(--bosluk-kapak);
  padding:var(--bosluk-kapak);max-width:2100px;margin:0 auto;
}
.izgara-kapak .kart{
  display:block;width:100%;max-width:var(--sutun);flex:none;
  break-inside:avoid;-webkit-column-break-inside:avoid;
  margin:0 auto var(--bosluk-kapak);
}
.izgara-kapak .kart::before{content:none}
.izgara-kapak .kart-gorsel{position:static;width:100%;height:auto;aspect-ratio:var(--ar);object-fit:cover}
.izgara .dolgu{flex-grow:var(--ar);flex-basis:calc(var(--ar) * var(--sira-boy));height:0;margin:0;padding:0}
.kart,.foto{
  position:relative;overflow:hidden;border:0;padding:0;margin:0;background:var(--zemin-2);
  flex-grow:var(--ar);flex-basis:calc(var(--ar) * var(--sira-boy));
}
.kart::before,.foto::before{content:"";display:block;padding-top:calc(100% / var(--ar))}
.kart-gorsel,.foto-gorsel{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.kart-gorsel{transition:transform 600ms cubic-bezier(.22,.61,.36,1),opacity var(--gecis)}
.kart:hover .kart-gorsel,.kart:focus-visible .kart-gorsel{transform:scale(1.035)}
.kart-ust{
  position:absolute;inset:auto 0 0 0;display:flex;align-items:flex-end;
  padding:14px 16px;min-height:52%;
  background:linear-gradient(to top,rgba(0,0,0,.72),rgba(0,0,0,0));
  opacity:0;transition:opacity var(--gecis);
}
.kart:hover .kart-ust,.kart:focus-visible .kart-ust{opacity:1}
.kart-ad{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:500}
.foto{cursor:zoom-in;display:block}
.foto.tek{cursor:default}

/* ---- proje ---- */
.proje{padding:clamp(40px,7vw,90px) 0 0}
.marka-logo{display:flex;justify-content:center;padding:0 20px 18px}
.marka-logo img{max-height:56px;width:auto;object-fit:contain;filter:brightness(0) invert(1);opacity:.92}
.proje-ad{
  margin:0;padding:0 20px;text-align:center;
  font-size:clamp(26px,5vw,52px);font-weight:300;letter-spacing:-.01em;
}
.proje-metin{
  max-width:62ch;margin:20px auto 0;padding:0 20px;text-align:center;
  color:var(--sonuk);font-size:15px;line-height:1.75;
}
.izgara-proje{margin-top:clamp(28px,5vw,54px)}
.proje-video{max-width:min(920px,92vw);margin:clamp(28px,5vw,54px) auto 0}
.proje-video video{width:100%;height:auto;background:#000}
.proje-gezinme{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  padding:clamp(40px,6vw,80px) clamp(16px,4vw,40px);border-top:1px solid var(--cizgi);
  margin-top:clamp(30px,5vw,60px);
}
.gez span{display:block;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--sonuk);margin-bottom:6px}
.gez strong{font-weight:400;font-size:clamp(14px,2vw,20px);border-bottom:1px solid transparent;transition:border-color var(--gecis)}
.gez:hover strong{border-color:var(--murekkep)}
.gez.sonraki{text-align:right}
.gez.tumu{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--sonuk);transition:color var(--gecis)}
.gez.tumu:hover{color:var(--murekkep)}

/* ---- iletisim / 404 ---- */
.iletisim{max-width:1100px;margin:0 auto;padding:clamp(60px,11vw,150px) clamp(20px,5vw,44px)}
.iletisim-etiket{margin:0 0 22px;font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--sonuk)}
.iletisim-baslik{margin:0;font-size:clamp(32px,7vw,72px);font-weight:300;line-height:1.08;letter-spacing:-.02em}
.iletisim-satir{display:flex;flex-wrap:wrap;gap:14px 46px;margin-top:clamp(36px,6vw,64px)}
.iletisim-buyuk{
  font-size:clamp(17px,2.6vw,27px);font-weight:300;
  border-bottom:1px solid var(--cizgi);padding-bottom:5px;transition:border-color var(--gecis)
}
.iletisim-buyuk:hover{border-color:var(--murekkep)}
.iletisim-alt{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;
  margin-top:clamp(46px,8vw,90px);padding-top:24px;border-top:1px solid var(--cizgi);
  color:var(--sonuk);font-size:13px}
.iletisim-alt p{margin:0}
.iletisim-alt a{border-bottom:1px solid transparent;transition:color var(--gecis),border-color var(--gecis)}
.iletisim-alt a:hover{color:var(--murekkep);border-color:var(--murekkep)}

/* ---- alt ---- */
.alt{border-top:1px solid var(--cizgi);margin-top:auto}
.alt-ic{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px clamp(14px,3vw,34px);color:var(--sonuk);font-size:12px}
.alt-tel{margin:0}
.alt-bag{display:flex;gap:16px}
.alt-bag a{color:var(--sonuk);transition:color var(--gecis)}
.alt-bag a:hover{color:var(--murekkep)}

/* ---- buyutec ---- */
.buyutec{position:fixed;inset:0;z-index:90;display:none;background:rgba(7,7,8,.97)}
.buyutec[acik]{display:flex;align-items:center;justify-content:center}
.buyutec img{max-width:94vw;max-height:88vh;width:auto;height:auto;object-fit:contain}
.buyutec-dugme{
  position:absolute;background:none;border:0;color:var(--murekkep);cursor:pointer;
  padding:14px;opacity:.62;transition:opacity var(--gecis)
}
.buyutec-dugme:hover{opacity:1}
.buyutec-kapat{top:8px;right:10px}
.buyutec-onceki{left:6px;top:50%;transform:translateY(-50%)}
.buyutec-sonraki{right:6px;top:50%;transform:translateY(-50%)}
.buyutec-sayac{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);
  font-size:11px;letter-spacing:.2em;color:var(--sonuk)}
body.kilit{overflow:hidden}

@media (max-width:900px){:root{--sira-boy:210px;--sutun:230px;--bosluk-kapak:12px}}
@media (max-width:600px){
  :root{--sira-boy:150px;--bosluk:6px;--sutun:150px;--bosluk-kapak:8px}
  .marka-alt{display:none}
  .proje-gezinme{grid-template-columns:1fr;text-align:center;gap:22px}
  .gez.sonraki{text-align:center}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* galerisi henuz gelmemis proje: tek gorsel, ortalanmis */
.tek-gorsel{margin:clamp(28px,5vw,54px) auto 0;padding:0 var(--bosluk);text-align:center}
.tek-gorsel img{max-width:min(100%,1180px);max-height:78vh;width:auto;height:auto;margin:0 auto}

/* saydam olmayan (beyaz zeminli) marka logolari: ters cevir, siyah zemini karistir */
.marka-logo.opak img{filter:invert(1);mix-blend-mode:lighten}