/* Karakaya İnşaat Mühendislik — stil */
:root{
  --koyu:#131517;--koyu2:#1b1e21;--koyu3:#24282c;
  --tas:#f2eee8;--tas2:#e7e1d8;--murekkep:#1c1916;--gri:#6c675f;--gri-a:rgba(242,238,232,.66);
  --bronz:#a97c4c;--bronz-a:#cfa878;--cizgi:rgba(28,25,22,.14);--cizgi-a:rgba(242,238,232,.14);
  --baslik:'Marcellus',Georgia,serif;--sans:'Montserrat',system-ui,sans-serif;
  --egri:cubic-bezier(.7,0,.2,1);--kap:min(1320px,calc(100vw - clamp(36px,8vw,112px)));
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
body{margin:0;background:var(--tas);color:var(--murekkep);font:400 16px/1.7 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--baslik);font-weight:400;margin:0;line-height:1.08;letter-spacing:-.005em}
p{margin:0 0 1em}
em{font-style:normal;color:var(--bronz)}
.bolum-koyu em,.giris em,.sayfa-bas em{color:var(--bronz-a)}
figure{margin:0}
button{font:inherit;cursor:pointer}
.gizli{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.gizli:focus{position:fixed!important;left:12px;top:12px;width:auto;height:auto;clip:auto;z-index:999;background:var(--bronz);color:#fff;padding:10px 16px}
.kap{width:var(--kap);margin-inline:auto}
:focus-visible{outline:2px solid var(--bronz-a);outline-offset:3px}
.bolum-acik{background:var(--tas)}
.bolum-koyu{background:var(--koyu);color:var(--tas)}
.bolum-bosluk{padding:clamp(80px,11vw,160px) 0}
.bolum-bosluk-alt{padding-bottom:clamp(80px,11vw,160px)}

/* ortak öğeler */
.etiket{display:flex;align-items:center;gap:14px;font:600 11px/1 var(--sans);letter-spacing:.28em;text-transform:uppercase;color:var(--bronz);margin-bottom:26px}
.etiket::before{content:"";width:34px;height:1px;background:currentColor}
.etiket-acik{color:var(--bronz-a)}
.buyuk-baslik{font-size:clamp(38px,5.2vw,80px);line-height:1.04;margin-bottom:28px}
.giris-metin{font-size:clamp(18px,1.5vw,21px);line-height:1.6;color:var(--murekkep)}
.maske{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.harf,.satir-ic{display:inline-block;will-change:transform}
.kelime{display:inline-block;white-space:nowrap}
.dugmeler{display:flex;flex-wrap:wrap;gap:12px}
.dug{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;font:600 13px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;border:1px solid transparent;border-radius:0;background:none;color:inherit;position:relative;overflow:hidden;isolation:isolate;transition:color .45s var(--egri),border-color .45s}
.dug::before{content:"";position:absolute;inset:0;z-index:-1;transform:scaleX(0);transform-origin:right;transition:transform .55s var(--egri)}
.dug:hover::before{transform:scaleX(1);transform-origin:left}
.dug svg{width:18px;height:18px;flex:none}
.dug-bronz{background:var(--bronz);color:#fff}
.dug-bronz::before{background:var(--murekkep)}
.bolum-koyu .dug-bronz::before,.giris .dug-bronz::before,.sayfa-bas .dug-bronz::before,.alt .dug-bronz::before{background:var(--tas)}
.bolum-koyu .dug-bronz:hover,.giris .dug-bronz:hover,.sayfa-bas .dug-bronz:hover,.alt .dug-bronz:hover{color:var(--murekkep)}
.dug-cizgi{border-color:rgba(242,238,232,.4);color:var(--tas)}
.dug-cizgi::before{background:var(--tas)}
.dug-cizgi:hover{color:var(--murekkep);border-color:var(--tas)}
.dug-koyu{border-color:var(--murekkep);color:var(--murekkep)}
.dug-koyu::before{background:var(--murekkep)}
.dug-koyu:hover{color:var(--tas)}
.dug-wa{background:#1f7a4d;color:#fff}
.dug-wa::before{background:#16603b}
.dug-kucuk{min-height:42px;padding:0 18px}
.ok-bag{display:inline-flex;align-items:center;gap:10px;font:600 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--bronz);padding:8px 0;border-bottom:1px solid currentColor}
.ok-bag svg{width:20px;height:20px;transition:transform .4s var(--egri)}
.ok-bag:hover svg,a:hover .ok-bag svg{transform:translateX(6px)}
.no{font:600 11px/1 var(--sans);letter-spacing:.22em;color:var(--bronz)}
.temsili{margin-top:34px;font-size:12px;letter-spacing:.04em;color:var(--gri)}
.bolum-koyu .temsili{color:var(--gri-a)}

/* açılış perdesi */
.perde{position:fixed;inset:0;z-index:200;background:var(--koyu);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;animation:perdeYedek .6s 3.5s forwards}
.perde img{width:min(200px,46vw);height:auto;opacity:.95}
.perde b{display:block;width:min(200px,46vw);height:1px;background:rgba(242,238,232,.15);position:relative;overflow:hidden}
.perde b i{position:absolute;inset:0;background:var(--bronz-a);transform:scaleX(0);transform-origin:left}
.perde.bitti{pointer-events:none}
html.perde-yok .perde{display:none}
@keyframes perdeYedek{to{opacity:0;visibility:hidden}}

/* üst bar */
.ust{position:fixed;inset:0 0 auto;z-index:60;color:var(--tas);transition:background .5s,transform .6s var(--egri),box-shadow .5s}
.ust-ic{width:var(--kap);margin:auto;height:92px;display:flex;align-items:center;gap:28px;transition:height .5s var(--egri)}
.ust.dolu{background:rgba(19,21,23,.96);box-shadow:0 1px 0 var(--cizgi-a)}
.ust.dolu .ust-ic{height:74px}
.ust.gizlen{transform:translateY(-100%)}
.marka{display:flex;align-items:center;gap:14px;margin-right:auto;color:var(--tas)}
.marka img{width:62px;height:auto;transition:width .5s var(--egri)}
.ust.dolu .marka img{width:52px}
.marka span{display:flex;flex-direction:column;line-height:1}
.marka b{font:400 23px/1 var(--baslik);letter-spacing:.2em}
.marka small{font:500 9.5px/1 var(--sans);letter-spacing:.34em;text-transform:uppercase;color:var(--bronz-a);margin-top:7px}
.ust-nav ul{display:flex;gap:30px;list-style:none;margin:0;padding:0}
.ust-nav a{font:500 13px/1 var(--sans);letter-spacing:.04em;position:relative;padding:8px 0;color:rgba(242,238,232,.86);transition:color .3s}
.ust-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--bronz-a);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--egri)}
.ust-nav a:hover,.ust-nav a[aria-current]{color:#fff}
.ust-nav a:hover::after,.ust-nav a[aria-current]::after{transform:scaleX(1);transform-origin:left}
.ust-teklif{font:600 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;padding:14px 20px;border:1px solid rgba(207,168,120,.6);color:var(--bronz-a);transition:background .3s,color .3s}
.ust-teklif:hover{background:var(--bronz);color:#fff;border-color:var(--bronz)}
.menu-dug{display:none;width:48px;height:48px;border:0;background:none;color:inherit;position:relative;margin-right:-10px}
.menu-dug span{position:absolute;left:12px;right:12px;height:1.5px;background:currentColor;transition:transform .5s var(--egri),top .5s var(--egri)}
.menu-dug span:first-child{top:19px}.menu-dug span:nth-child(2){top:28px}
.menu-acik .menu-dug span:first-child{top:23.5px;transform:rotate(45deg)}
.menu-acik .menu-dug span:nth-child(2){top:23.5px;transform:rotate(-45deg)}
.menu-acik .ust{background:transparent;box-shadow:none;transform:none}
.menu-acik .ust-teklif{opacity:0;pointer-events:none}

/* mobil menü katmanı (üst barın dışında) */
.menu-katman{position:fixed;inset:0;z-index:55;background:var(--koyu);color:var(--tas);display:grid;grid-template-rows:1fr auto;padding:120px var(--yan,24px) 34px;overflow-y:auto;clip-path:inset(0 0 100% 0);visibility:hidden;transition:clip-path .8s var(--egri),visibility 0s .8s}
.menu-acik .menu-katman{clip-path:inset(0 0 0 0);visibility:visible;transition:clip-path .8s var(--egri),visibility 0s}
.menu-foto{position:absolute;inset:0;opacity:.14;pointer-events:none}
.menu-foto img{width:100%;height:100%;object-fit:cover;filter:grayscale(1)}
.menu-katman nav,.menu-alt{position:relative}
.menu-liste{list-style:none;margin:0;padding:0;align-self:center}
.menu-liste li{overflow:hidden;border-bottom:1px solid var(--cizgi-a)}
.menu-liste a{display:flex;align-items:baseline;gap:16px;padding:14px 0;font:400 clamp(30px,7vw,52px)/1.1 var(--baslik);transform:translateY(105%);transition:transform .8s var(--egri),color .3s}
.menu-liste a i{font:600 11px/1 var(--sans);font-style:normal;letter-spacing:.2em;color:var(--bronz-a)}
.menu-liste a[aria-current],.menu-liste a:hover{color:var(--bronz-a)}
.menu-acik .menu-liste a{transform:none}
.menu-acik .menu-liste li:nth-child(2) a{transition-delay:.05s}.menu-acik .menu-liste li:nth-child(3) a{transition-delay:.1s}.menu-acik .menu-liste li:nth-child(4) a{transition-delay:.15s}.menu-acik .menu-liste li:nth-child(5) a{transition-delay:.2s}.menu-acik .menu-liste li:nth-child(6) a{transition-delay:.25s}.menu-acik .menu-liste li:nth-child(7) a{transition-delay:.3s}
.menu-alt{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;margin-top:34px;font-size:13px;color:var(--gri-a)}
.menu-tel{font:500 18px/1 var(--sans);color:var(--tas)}

/* giriş ve film */
.giris{position:relative;background:var(--koyu);color:var(--tas)}
.giris.film{height:560vh}
.film-sahne{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:flex;align-items:flex-end}
.giris-foto{position:absolute;inset:0;overflow:hidden}
.giris-foto img,.giris-foto canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.giris-foto::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,14,16,.6) 0%,rgba(13,14,16,.05) 24%,rgba(13,14,16,.15) 50%,rgba(13,14,16,.88) 100%),linear-gradient(90deg,rgba(13,14,16,.55) 0%,rgba(13,14,16,0) 62%)}
.film-golge{position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(90deg,rgba(13,14,16,.9) 0%,rgba(13,14,16,.62) 42%,rgba(13,14,16,.18) 75%,rgba(13,14,16,.1) 100%);opacity:0}
.giris-ic{position:relative;z-index:3;width:var(--kap);margin:0 auto;padding-bottom:clamp(70px,11vh,120px)}
.ust-yazi{display:flex;gap:28px;font:600 11px/1 var(--sans);letter-spacing:.3em;text-transform:uppercase;color:var(--bronz-a);margin-bottom:26px}
.ust-yazi span+span::before{content:"";display:inline-block;width:26px;height:1px;background:currentColor;vertical-align:middle;margin-right:28px}
.giris-baslik{font-size:clamp(64px,12.5vw,200px);line-height:.92;letter-spacing:-.01em;margin-bottom:34px}
.giris-baslik .satir{display:block}
.satir-bronz{color:var(--bronz-a);padding-left:clamp(0px,9vw,150px)}
.giris-alt{display:flex;align-items:flex-end;justify-content:space-between;gap:30px 60px;flex-wrap:wrap}
.giris-alt p{max-width:520px;font-size:clamp(15px,1.25vw,18px);color:rgba(242,238,232,.84);margin:0}
.js .giris-ust,.js .giris-alt{opacity:0}
.bolumcuk{position:absolute;z-index:3;left:max(clamp(18px,4vw,56px),(100vw - 1320px)/2);top:50%;max-width:min(620px,86vw);opacity:0;visibility:hidden;will-change:transform,opacity}
.bolumcuk .no{display:block;color:var(--bronz-a);margin-bottom:22px;font-size:11px;letter-spacing:.3em;text-transform:uppercase}
.bolumcuk h2{font-size:clamp(40px,5.2vw,84px);line-height:1.02;margin-bottom:24px}
.bolumcuk p{color:rgba(242,238,232,.84);font-size:17px;max-width:46ch}
.bolumcuk .dugmeler{margin-top:30px}
.film-ray{position:absolute;right:max(clamp(18px,4vw,56px),(100vw - 1320px)/2);top:50%;z-index:3;transform:translateY(-50%);display:flex;flex-direction:column;gap:22px;list-style:none;margin:0;padding:0;opacity:0;transition:opacity .4s}
.film-ray.gorunur{opacity:1}
.film-ray li{display:flex;align-items:center;justify-content:flex-end;gap:14px;font:400 18px/1 var(--baslik);color:rgba(242,238,232,.4);transition:color .3s}
.film-ray li b{display:block;width:2px;height:38px;background:rgba(242,238,232,.18);position:relative;overflow:hidden}
.film-ray li b i{position:absolute;inset:0;background:var(--bronz-a);transform:scaleY(var(--d,0));transform-origin:top}
.film-ray li.etkin{color:var(--tas)}
.film-yukleniyor{position:absolute;left:0;bottom:0;z-index:4;height:2px;background:var(--bronz-a);width:0;transition:width .3s,opacity .6s}
.kaydir-ipucu{position:absolute;right:max(clamp(18px,4vw,56px),(100vw - 1320px)/2);bottom:clamp(70px,11vh,120px);z-index:3;display:flex;flex-direction:column;align-items:center;gap:12px;font:600 10px/1 var(--sans);letter-spacing:.3em;text-transform:uppercase;color:rgba(242,238,232,.7);writing-mode:vertical-rl}
.kaydir-ipucu i{width:1px;height:60px;background:rgba(242,238,232,.25);position:relative;overflow:hidden}
.kaydir-ipucu i::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:var(--tas);animation:ak 2.4s var(--egri) infinite}
@keyframes ak{to{top:100%}}

/* sayfa başlığı */
.sayfa-bas{position:relative;min-height:min(78vh,760px);display:flex;align-items:flex-end;background:var(--koyu);color:var(--tas);overflow:hidden}
.sayfa-bas-foto{position:absolute;inset:0}
.sayfa-bas-foto img{width:100%;height:100%;object-fit:cover}
.sayfa-bas-foto::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,14,16,.6) 0%,rgba(13,14,16,.25) 40%,rgba(13,14,16,.88) 100%)}
.sayfa-bas-ic{position:relative;padding:160px 0 clamp(60px,9vh,100px)}
.sayfa-bas-sade{min-height:0}
.sayfa-bas-sade .sayfa-bas-ic{padding:170px 0 70px}
.kirinti{font:500 12px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--bronz-a);margin-bottom:26px}
.kirinti a{color:rgba(242,238,232,.7)}
.kirinti a:hover{color:#fff}
.sayfa-baslik{font-size:clamp(52px,9.5vw,150px);line-height:.95;margin-bottom:28px}
.sayfa-baslik .satir{display:block}
.sayfa-baslik-kucuk{font-size:clamp(44px,6vw,90px)}
.sayfa-ozet{max-width:600px;font-size:clamp(16px,1.3vw,19px);color:rgba(242,238,232,.84)}

/* kurumsal */
.kurumsal{padding:clamp(90px,12vw,170px) 0}
.kurumsal-izgara{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(40px,7vw,110px);align-items:center}
.kurumsal-gorsel{position:relative;min-height:clamp(500px,54vw,720px)}
.kurumsal-blok{position:absolute;left:-12%;top:8%;width:46%;height:78%;background:var(--koyu)}
.kurumsal-foto{position:absolute;left:0;top:0;width:90%;aspect-ratio:4/3.2;overflow:hidden}
.kurumsal-foto-2{position:absolute;right:0;bottom:0;width:60%;aspect-ratio:4/3.1;overflow:hidden;border:10px solid var(--tas)}
.kurumsal-foto img,.kurumsal-foto-2 img{width:100%;height:100%;object-fit:cover}
.rozet{position:absolute;left:6%;bottom:6%;width:132px;height:132px;border-radius:50%;background:var(--bronz);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;line-height:1.15;font-size:11px;letter-spacing:.14em;text-transform:uppercase;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.rozet b{font:400 46px/1 var(--baslik);letter-spacing:0;margin-bottom:4px}
.ilke-liste{list-style:none;padding:0;margin:34px 0;border-top:1px solid var(--cizgi)}
.ilke-liste li{display:grid;grid-template-columns:170px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--cizgi)}
.ilke-liste b{font:400 19px/1.3 var(--baslik)}
.ilke-liste span{color:var(--gri);font-size:15px}

/* hizmet vitrini */
.hizmet-vitrin{padding:clamp(90px,12vw,170px) 0 0;overflow:hidden}
.bolum-bas{max-width:760px;margin-bottom:clamp(44px,6vw,80px)}
.bolum-bas p:not(.etiket){color:var(--gri);font-size:17px;max-width:560px}
.bolum-koyu .bolum-bas p:not(.etiket){color:var(--gri-a)}
.bolum-bas-yan{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap}
.hizmet-kartlar{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2vw,28px)}
.hizmet-kart{position:relative;display:block;aspect-ratio:4/4.6;overflow:hidden;color:var(--tas)}
.hizmet-kart figure,.hizmet-kart img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hizmet-kart img{transition:transform 1.4s var(--egri)}
.hizmet-kart:hover img{transform:scale(1.06)}
.hizmet-kart::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,14,16,0) 35%,rgba(13,14,16,.9) 100%)}
.hizmet-kart-ic{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:clamp(24px,3.4vw,48px)}
.hizmet-kart-ic .no{color:var(--bronz-a)}
.hizmet-kart h3{font-size:clamp(34px,3.8vw,58px);margin:16px 0 14px}
.hizmet-kart p{color:rgba(242,238,232,.8);max-width:42ch}
.hizmet-kart .ok-bag{color:var(--bronz-a)}
.serit{overflow:hidden;padding:clamp(50px,7vw,90px) 0;white-space:nowrap}
.serit-ic{display:inline-flex;align-items:center;gap:40px;animation:serit 40s linear infinite}
.serit span{font:400 clamp(48px,8vw,124px)/1 var(--baslik);color:transparent;-webkit-text-stroke:1px rgba(242,238,232,.35)}
.serit i{width:16px;height:16px;background:var(--bronz);transform:rotate(45deg);flex:none}
.serit-koyu span{-webkit-text-stroke:1px rgba(28,25,22,.35)}
.serit-koyu{padding:20px 0 0}
@keyframes serit{to{transform:translateX(-50%)}}

/* sayaçlar */
.sayaclar{position:relative;color:var(--tas);padding:clamp(100px,13vw,190px) 0;overflow:hidden;background:var(--koyu)}
.sayaclar-ince{padding:clamp(80px,10vw,140px) 0}
.sayac-foto{position:absolute;inset:-12% 0}
.sayac-foto img{width:100%;height:100%;object-fit:cover;opacity:.32;filter:grayscale(.4)}
.sayaclar::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--koyu) 0%,rgba(19,21,23,.4) 30%,rgba(19,21,23,.4) 70%,var(--koyu) 100%)}
.sayac-izgara{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.sayac .no{color:var(--bronz-a);display:block;margin-bottom:28px}
.sayac b{display:block;font:400 clamp(46px,5.4vw,84px)/1 var(--baslik);margin-bottom:14px;white-space:nowrap}
.sayac b em{color:var(--tas)}
.sayac b small{font-size:.42em;margin-left:.15em;color:var(--bronz-a)}
.sayac>span:not(.no){display:block;min-height:2.8em}
.sayac>span:not(.no){font:600 12px/1.4 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--gri-a)}
.sayac i{display:block;width:100%;max-width:140px;height:2px;background:var(--bronz-a);margin-top:30px;transform-origin:left}

/* süreç */
.surec{overflow:hidden}
.surec-pin{padding:clamp(90px,11vw,150px) 0 clamp(60px,7vw,100px);min-height:100vh;display:flex;flex-direction:column;justify-content:center}
.surec-ray{display:flex;gap:22px;padding-left:max(clamp(18px,4vw,56px),(100vw - 1320px)/2);padding-right:clamp(18px,4vw,56px);will-change:transform}
.adim{flex:0 0 clamp(280px,25vw,360px);min-height:360px;padding:34px 30px;background:#fff;border:1px solid var(--cizgi);display:flex;flex-direction:column;position:relative;transition:background .5s,color .5s}
.adim:hover{background:var(--koyu);color:var(--tas)}
.adim:hover p{color:var(--gri-a)}
.adim-no{font:400 64px/1 var(--baslik);color:var(--bronz);margin-bottom:auto}
.adim h3{font-size:28px;margin:40px 0 14px}
.adim p{color:var(--gri);font-size:15px;margin:0;transition:color .5s}
.adim-foto{padding:0;border:0;overflow:hidden;background:var(--koyu)}
.adim-foto img{width:100%;height:100%;object-fit:cover}
.surec-cubuk{height:2px;background:var(--cizgi);margin-top:44px;position:relative;overflow:hidden}
.surec-cubuk i{position:absolute;inset:0;background:var(--bronz);transform:scaleX(0);transform-origin:left}

/* projeler vitrini */
.proje-vitrin{padding:clamp(50px,7vw,100px) 0 clamp(90px,12vw,170px)}
.proje-izgara{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:clamp(240px,24vw,340px);gap:clamp(14px,1.6vw,22px)}
.proje-kart{position:relative;overflow:hidden;color:var(--tas);display:block;background:var(--koyu)}
.proje-kart-buyuk{grid-row:span 2}
.proje-kart figure,.proje-kart img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.proje-kart img{transition:transform 1.4s var(--egri),filter .6s}
.proje-kart:hover img{transform:scale(1.07)}
.proje-kart::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,14,16,0) 30%,rgba(13,14,16,.55) 60%,rgba(13,14,16,.92) 100%);transition:opacity .5s}
.proje-bilgi{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:clamp(20px,2.4vw,34px)}
.proje-bilgi span{font:600 11px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--bronz-a)}
.proje-bilgi h3{font-size:clamp(24px,2.2vw,34px);margin:12px 0 8px}
.proje-kart-buyuk .proje-bilgi h3{font-size:clamp(30px,3.2vw,48px)}
.proje-bilgi p{margin:0;font-size:14px;color:rgba(242,238,232,.78);max-height:0;opacity:0;transition:max-height .6s var(--egri),opacity .5s}
.proje-kart:hover .proje-bilgi p,.proje-kart-buyuk .proje-bilgi p{max-height:40px;opacity:1}
.referans-serit{padding-bottom:clamp(60px,8vw,110px)}

/* galeri akışı */
.galeri-vitrin{padding:clamp(90px,12vw,170px) 0 clamp(40px,5vw,70px);overflow:hidden}
.galeri-akis{display:grid;grid-template-columns:1.3fr .8fr 1.1fr 1fr;gap:clamp(14px,1.6vw,22px);width:var(--kap);margin:auto;align-items:start}
.galeri-akis figure{overflow:hidden}
.galeri-akis figure:nth-child(1){aspect-ratio:4/3;margin-top:60px}
.galeri-akis figure:nth-child(2){aspect-ratio:3/4.2}
.galeri-akis figure:nth-child(3){aspect-ratio:4/3.4;margin-top:120px}
.galeri-akis figure:nth-child(4){aspect-ratio:4/4.6;margin-top:30px}
.galeri-akis img{width:100%;height:115%;object-fit:cover}

/* alt sayfa bileşenleri */
.iki-sutun{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,7vw,120px);align-items:start}
.metin-blok p{color:var(--gri);font-size:17px}
.metin-blok .giris-metin{color:var(--murekkep)}
.beyan{font:400 clamp(28px,3.6vw,54px)/1.25 var(--baslik);margin:0;max-width:1100px}
.beyan .k{opacity:.18}
.deger-izgara{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--cizgi)}
.deger{padding:34px 28px 10px 0;border-right:1px solid var(--cizgi);margin-right:28px}
.deger:last-child{border-right:0;margin-right:0}
.deger h3{font-size:26px;margin:22px 0 14px}
.deger p{color:var(--gri);font-size:15px}
.hizmet-dizin{position:relative;z-index:2;background:var(--koyu);border-bottom:1px solid var(--cizgi-a)}
.hizmet-dizin .kap{display:flex;gap:30px;overflow-x:auto;padding:22px 0;scrollbar-width:none}
.hizmet-dizin a{font:600 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:rgba(242,238,232,.6);white-space:nowrap;transition:color .3s}
.hizmet-dizin a:hover,.hizmet-dizin a.aktif{color:var(--bronz-a)}
.hizmet-detay{padding:clamp(90px,11vw,160px) 0;scroll-margin-top:60px}
.hizmet-detay-izgara{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,110px);align-items:center}
.hizmet-detay-izgara.ters>figure{order:2}
.hizmet-detay-foto{aspect-ratio:4/4.4;overflow:hidden}
.hizmet-detay-foto img{width:100%;height:100%;object-fit:cover}
.buyuk-no{display:block;font:400 clamp(80px,10vw,150px)/.8 var(--baslik);color:transparent;-webkit-text-stroke:1px var(--bronz);margin-bottom:24px;opacity:.7}
.hizmet-detay p:not(.etiket){color:var(--gri);font-size:17px}
.bolum-koyu.hizmet-detay p:not(.etiket){color:var(--gri-a)}
.madde-liste{list-style:none;padding:0;margin:28px 0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.madde-liste li{padding:14px 0 14px 26px;border-bottom:1px solid var(--cizgi);position:relative;font-size:15px}
.bolum-koyu .madde-liste li{border-color:var(--cizgi-a)}
.madde-liste li::before{content:"";position:absolute;left:0;top:22px;width:9px;height:9px;background:var(--bronz);transform:rotate(45deg)}
.suzgec{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:50px}
.suzgec button{border:1px solid var(--cizgi);background:none;padding:12px 22px;font:600 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--murekkep);transition:background .3s,color .3s,border-color .3s}
.suzgec button:hover{border-color:var(--murekkep)}
.suzgec button.aktif{background:var(--murekkep);color:var(--tas);border-color:var(--murekkep)}
.proje-liste{display:grid;gap:clamp(50px,7vw,100px)}
.proje-satir{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(30px,5vw,80px);align-items:center}
.proje-satir:nth-child(even) figure{order:2}
.proje-satir figure{aspect-ratio:4/3;overflow:hidden}
.proje-satir img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--egri)}
.proje-satir:hover img{transform:scale(1.05)}
.proje-satir.sakli{display:none}
.proje-tur{font:600 11px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--bronz);margin:20px 0 16px}
.proje-satir h2{font-size:clamp(32px,3.6vw,54px);margin-bottom:28px}
.proje-satir dl{margin:0;border-top:1px solid var(--cizgi)}
.proje-satir dl div{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--cizgi)}
.proje-satir dt{font:600 11px/1.6 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--gri)}
.proje-satir dd{margin:0;font-weight:500;text-align:right}
.galeri{columns:3;column-gap:16px}
.galeri>button{display:block;width:100%;padding:0;border:0;border-radius:0;cursor:zoom-in;position:relative;overflow:hidden;margin-bottom:16px;break-inside:avoid;background:var(--koyu);font:inherit;color:inherit;text-align:left}
.galeri img{width:100%;height:auto;transition:transform 1.2s var(--egri),opacity .5s}
.galeri>button:hover img,.galeri>button:focus-visible img{transform:scale(1.05);opacity:.75}
.galeri span{position:absolute;left:18px;bottom:16px;font:600 11px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:#fff;opacity:0;transform:translateY(10px);transition:opacity .4s,transform .4s}
.galeri>button:hover span,.galeri>button:focus-visible span{opacity:1;transform:none}
.isik{position:fixed;inset:0;z-index:120;background:rgba(13,14,16,.96);display:flex;align-items:center;justify-content:center;padding:60px 70px}
.isik[hidden]{display:none}
.isik figure{max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center}
.isik img{max-height:calc(100vh - 160px);width:auto;object-fit:contain}
.isik figcaption{color:var(--tas);margin-top:16px;font-size:13px;letter-spacing:.16em;text-transform:uppercase}
.isik button{position:absolute;border:0;background:none;color:var(--tas);font:300 44px/1 var(--sans);width:60px;height:60px}
.isik-kapat{top:14px;right:14px}
.isik-geri{left:10px;top:50%;transform:translateY(-50%)}
.isik-ileri{right:10px;top:50%;transform:translateY(-50%)}
.logo-izgara{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--cizgi);border-left:1px solid var(--cizgi)}
.logo-kutu{aspect-ratio:16/9;display:flex;flex-direction:column;gap:10px;padding:18px;align-items:center;justify-content:center;text-align:center;border-right:1px solid var(--cizgi);border-bottom:1px solid var(--cizgi);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(28,25,22,.35);transition:background .4s,color .4s}
.logo-kutu img{max-width:72%;max-height:62%;width:auto;height:auto;object-fit:contain;filter:grayscale(1);opacity:.75;transition:filter .4s,opacity .4s}
.logo-kutu:hover img{filter:none;opacity:1}
.logo-kutu span{font-size:10.5px;letter-spacing:.16em}
.logo-kutu:hover{background:#fff;color:var(--bronz)}
.sektor-izgara{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sektor{position:relative;aspect-ratio:3/4.2;overflow:hidden;display:block}
.sektor img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--egri)}
.sektor:hover img{transform:scale(1.07)}
.sektor::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,14,16,.1),rgba(13,14,16,.88))}
.sektor div{position:absolute;z-index:2;left:24px;right:24px;bottom:24px}
.sektor .no{color:var(--bronz-a)}
.sektor h3{font-size:34px;margin:14px 0 8px}
.sektor p{font-size:14px;color:rgba(242,238,232,.75);margin:0}
.iletisim-izgara{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,7vw,110px);align-items:start}
.iletisim-satir{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:22px 0;border-bottom:1px solid var(--cizgi)}
.iletisim-satir span{font:600 11px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--gri)}
.iletisim-satir b{font:400 clamp(20px,2vw,28px)/1.2 var(--baslik);text-align:right}
a.iletisim-satir:hover b{color:var(--bronz)}
.form{background:var(--koyu);color:var(--tas);padding:clamp(28px,4vw,54px)}
.form h3{font-size:36px;margin-bottom:10px}
.form>p{color:var(--gri-a);font-size:14px;margin-bottom:28px}
.alan{margin-bottom:18px}
.alan-iki{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:block;font:600 11px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--gri-a);margin-bottom:10px}
.form input:not([type=checkbox]),.form select,.form textarea{width:100%;background:transparent;border:0;border-bottom:1px solid rgba(242,238,232,.28);color:var(--tas);font:400 16px/1.5 var(--sans);padding:10px 0;border-radius:0;transition:border-color .3s}
.form select option{color:#111}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--bronz-a)}
.form .hata input,.form .hata select{border-color:#e07a5f}
.onay{display:flex!important;align-items:flex-start;gap:12px;text-transform:none!important;letter-spacing:0!important;font:400 14px/1.5 var(--sans)!important;margin:22px 0!important}
.onay input{margin-top:3px;accent-color:var(--bronz)}
.onay a{color:var(--bronz-a);text-decoration:underline}
.form .dug{width:100%}
.form-uyari{margin:16px 0 0;font-size:14px;color:#f0a58f;min-height:1.5em}
.form-uyari.tamam{color:#9fd4b3}
.sss-liste{border-top:1px solid var(--cizgi-a)}
.sss details{border-bottom:1px solid var(--cizgi-a)}
.sss summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font:400 clamp(19px,1.7vw,24px)/1.35 var(--baslik)}
.sss summary::-webkit-details-marker{display:none}
.sss summary::after{content:"+";font:300 30px/1 var(--sans);color:var(--bronz-a);transition:transform .4s var(--egri)}
.sss details[open] summary::after{transform:rotate(45deg)}
.sss details>div{overflow:hidden}
.sss details p{color:var(--gri-a);padding-bottom:24px;margin:0;max-width:60ch}
.yasal{max-width:820px}
.yasal h2{font-size:clamp(28px,3vw,40px);margin:50px 0 18px;scroll-margin-top:100px}
.yasal h2:first-child{margin-top:0}
.yasal h3{font:600 14px/1.4 var(--sans);letter-spacing:.08em;text-transform:uppercase;margin:28px 0 10px}
.yasal p{color:var(--gri)}

/* alt bilgi */
.alt{background:var(--koyu);color:var(--tas)}
.alt-cta{padding:clamp(90px,12vw,170px) 0;border-bottom:1px solid var(--cizgi-a);background:linear-gradient(rgba(19,21,23,.86),rgba(19,21,23,.94)),url(foto/karkas.webp) center/cover}
.alt-baslik{font-size:clamp(40px,6.4vw,104px);line-height:1.02;margin-bottom:44px}
.alt-ic{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;padding:80px 0 60px}
.alt-logo img{width:min(280px,100%);height:auto;opacity:.95}
.alt-sutun{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--gri-a)}
.alt-sutun h3{font:600 11px/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--bronz-a);margin-bottom:10px}
.alt-sutun a:hover{color:var(--tas)}
.alt-alt{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:26px 0;border-top:1px solid var(--cizgi-a);font-size:12px;color:var(--gri-a)}
.alt-alt a:hover{color:var(--tas)}
.hazirlayan{text-align:center;font-size:12px;color:rgba(242,238,232,.45);padding:0 20px 28px;margin:0}
.hazirlayan a{color:rgba(242,238,232,.7);text-decoration:underline}
.wa-sabit{position:fixed;right:20px;bottom:20px;z-index:50;width:58px;height:58px;border-radius:50%;background:#1f7a4d;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(0,0,0,.3);transition:transform .4s var(--egri)}
.wa-sabit svg{width:28px;height:28px}
.wa-sabit:hover{transform:scale(1.08)}
.menu-acik .wa-sabit{opacity:0;pointer-events:none}
.cerez{position:fixed;left:20px;bottom:20px;z-index:70;max-width:400px;background:var(--koyu2);color:var(--tas);padding:22px 24px;display:flex;flex-direction:column;align-items:flex-start;gap:14px;box-shadow:0 20px 50px rgba(0,0,0,.35);font-size:13px}
.cerez[hidden]{display:none}
.cerez p{margin:0;color:var(--gri-a)}
.cerez a{color:var(--bronz-a);text-decoration:underline}

/* duyarlı */
@media (max-width:1180px){
  .ust-nav,.ust-teklif{display:none}
  .menu-dug{display:block}
}
@media (max-width:900px){
  .ust-ic{height:76px}
  .marka img{width:50px}
  .marka b{font-size:20px}
  .film-ray{display:none}
  .bolumcuk{top:auto;bottom:90px;right:clamp(18px,4vw,56px)}
  .bolumcuk h2{font-size:clamp(36px,9vw,54px)}
  .bolumcuk p{font-size:15px}
  .film-golge{background:linear-gradient(0deg,rgba(13,14,16,.92) 0%,rgba(13,14,16,.55) 45%,rgba(13,14,16,0) 75%)}
  .kaydir-ipucu{display:none}
  .giris.film{height:480vh}
  .satir-bronz{padding-left:0}
  .kurumsal-izgara,.iki-sutun,.hizmet-detay-izgara,.iletisim-izgara,.proje-satir{grid-template-columns:1fr}
  .hizmet-detay-izgara.ters>figure,.proje-satir:nth-child(even) figure{order:0}
  .kurumsal-gorsel{min-height:0;aspect-ratio:1/1;margin-bottom:10px}
  .kurumsal-blok{left:-6%}
  .ilke-liste li{grid-template-columns:1fr;gap:4px}
  .hizmet-kartlar{grid-template-columns:1fr}
  .hizmet-kart{aspect-ratio:4/4.4}
  .sayac-izgara{grid-template-columns:1fr 1fr;gap:50px 24px}
  .surec-pin{min-height:0}
  .surec-ray{flex-direction:column;padding:0;width:var(--kap);margin:auto}
  .adim{flex:auto;min-height:0}
  .adim h3{margin-top:24px}
  .adim-foto{aspect-ratio:16/10}
  .surec-cubuk{display:none}
  .proje-izgara{grid-template-columns:1fr;grid-auto-rows:auto}
  .proje-kart{aspect-ratio:4/3.3}
  .proje-kart-buyuk{grid-row:auto}
  .proje-bilgi p{max-height:40px;opacity:1}
  .galeri-akis{grid-template-columns:1fr 1fr}
  .galeri-akis figure{margin-top:0!important}
  .galeri-akis figure:nth-child(even){margin-top:40px!important}
  .deger-izgara{grid-template-columns:1fr 1fr}
  .deger{margin-right:0;padding-right:20px;border-right:0;border-bottom:1px solid var(--cizgi)}
  .madde-liste{grid-template-columns:1fr}
  .galeri{columns:2;column-gap:10px}
  .galeri>button{margin-bottom:10px}
  .galeri span{opacity:1;transform:none;left:12px;bottom:10px;font-size:9.5px}
  .logo-izgara{grid-template-columns:1fr 1fr}
  .sektor-izgara{grid-template-columns:1fr 1fr}
  .sektor{aspect-ratio:3/4}
  .sektor h3{font-size:26px}
  .alt-ic{grid-template-columns:1fr 1fr}
  .alt-logo{grid-column:1/-1}
  .isik{padding:60px 10px}
  .rozet{width:104px;height:104px;font-size:9.5px}
  .rozet b{font-size:36px}
}
@media (max-width:560px){
  .giris-baslik{font-size:clamp(58px,17vw,90px)}
  .giris-alt .dugmeler{width:100%}
  .giris-alt .dug{flex:1;padding:0 14px}
  .ust-yazi{gap:14px}.ust-yazi span+span::before{margin-right:14px;width:16px}
  .sektor-izgara{grid-template-columns:1fr}
  .deger-izgara{grid-template-columns:1fr}
  .alan-iki{grid-template-columns:1fr}
  .alt-ic{grid-template-columns:1fr}
  .iletisim-satir{flex-direction:column;gap:10px}
  .iletisim-satir b{text-align:left}
  .cerez{left:12px;right:80px;bottom:12px}
  .wa-sabit{right:14px;bottom:14px;width:54px;height:54px}
}

/* Teslim: proje kataloğu, çözüm ortakları */
.proje-katalog{grid-template-columns:repeat(4,1fr);grid-auto-rows:auto}
.proje-katalog .proje-kart{aspect-ratio:4/4.6}
.proje-katalog .proje-bilgi h2{font-size:clamp(22px,1.9vw,28px);margin:10px 0 0;line-height:1.1}
.logo-izgara{grid-template-columns:repeat(5,1fr)}
.logo-kutu{aspect-ratio:1/1.05;background:#fff}
.logo-kutu img{max-width:78%;max-height:68%;filter:none;opacity:1}
.logo-kutu span{color:var(--murekkep);opacity:.75}
@media (max-width:1100px){.proje-katalog{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){.proje-katalog{grid-template-columns:1fr 1fr}.logo-izgara{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.proje-katalog{grid-template-columns:1fr}.logo-izgara{grid-template-columns:1fr 1fr}}

.tuzak{position:absolute;left:0;top:0;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}
.form{position:relative}
html{overflow-x:clip}
.menu-acik .cerez{display:none!important}