/* ÇATI TASARIM — site.css · lacivert palet */
:root{
  --ink:#0A0E18; --ink2:#0E1524; --ink3:#152238;
  --navy:#1B3A6B; --blue:#2F6BC0; --glow:#8CBAF2;
  --mist:#E7EEF7; --dim:#A6B6CF; --gold:#CBB06A;
  --line:rgba(231,238,247,.13);
  --serif:'Fraunces',Georgia,serif; --sans:'Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html.lenis{height:auto}
body{background:var(--ink);color:var(--mist);font-family:var(--sans);font-weight:300;
  line-height:1.6;letter-spacing:.01em;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--blue);color:#fff}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
h1,h2,h3{font-family:var(--serif);font-weight:640;line-height:1.04;letter-spacing:-.025em}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.eyebrow{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold)}
.muted{color:var(--dim)}
em{font-style:italic;color:var(--glow)}
.reveal{opacity:0;transform:translateY(32px)}
section{position:relative;padding:110px 0}
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:44px;flex-wrap:wrap}
.sec-no{font-family:var(--serif);font-size:15px;color:var(--blue)}
h2{font-size:clamp(30px,4.6vw,58px)}
.statement{font-family:var(--serif);font-size:clamp(27px,3.8vw,50px);line-height:1.18;font-weight:560;max-width:24ch}

/* CURSOR */
.cursor{position:fixed;top:0;left:0;width:9px;height:9px;border-radius:50%;background:var(--glow);
  pointer-events:none;z-index:9999;mix-blend-mode:difference;transform:translate(-50%,-50%)}
.cursor-ring{position:fixed;top:0;left:0;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(140,186,242,.45);pointer-events:none;z-index:9998;transform:translate(-50%,-50%);
  transition:width .3s,height .3s,border-color .3s}
.cursor-ring.is-hover{width:60px;height:60px;border-color:var(--gold)}
@media(hover:none){.cursor,.cursor-ring{display:none}}

/* NAV */
nav.site{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:18px 32px;background:linear-gradient(to bottom,rgba(10,14,24,.85),transparent);transition:.4s}
nav.site.solid{background:rgba(10,14,24,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:13px 32px}
.brand{font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:.14em}
.brand em{font-style:normal;color:var(--blue)}
nav.site ul{display:flex;gap:30px;list-style:none;font-size:12.5px;letter-spacing:.2em;text-transform:uppercase}
nav.site ul a{position:relative;padding:4px 0;color:var(--dim);transition:color .3s}
nav.site ul a:hover,nav.site ul a.on{color:var(--mist)}
nav.site ul a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--glow);transition:width .35s cubic-bezier(.7,0,.3,1)}
nav.site ul a:hover::after,nav.site ul a.on::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid var(--line);border-radius:30px;overflow:hidden}
.lang button{background:none;border:none;color:var(--dim);padding:7px 14px;cursor:pointer;font-family:var(--sans);font-size:12px;letter-spacing:.08em;transition:.3s}
.lang button.on{background:var(--blue);color:#fff}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:var(--mist);padding:8px 12px;font-size:16px;cursor:pointer;z-index:101}
@media(max-width:900px){
  nav.site ul{position:fixed;inset:0;background:rgba(10,14,24,.97);backdrop-filter:blur(14px);
    flex-direction:column;align-items:center;justify-content:center;gap:34px;font-size:16px;
    transform:translateY(-100%);transition:transform .5s cubic-bezier(.7,0,.3,1)}
  nav.site ul.open{transform:none}
  .burger{display:block}
}

/* BUTTON */
.cta{display:inline-flex;align-items:center;gap:12px;padding:15px 28px;border-radius:40px;border:1px solid var(--line);
  font-size:13.5px;letter-spacing:.04em;position:relative;overflow:hidden;transition:border-color .4s,color .4s;cursor:pointer}
.cta:hover{border-color:var(--gold);color:#fff}
.cta::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(140,186,242,.18),transparent);
  transform:translateX(-120%);transition:.6s}
.cta:hover::after{transform:translateX(120%)}

/* PAGE HERO (inner pages) */
.page-hero{padding:190px 0 70px;position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(42px,7vw,96px)}
.page-hero .sub{max-width:52ch;color:var(--dim);font-size:clamp(15px,1.6vw,19px);margin-top:18px}
.page-hero .bg{position:absolute;inset:0;z-index:-1;
  background:radial-gradient(90% 70% at 75% 10%,rgba(27,58,107,.45),transparent 65%)}

/* SERVICES grid */
.svc{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.svc .cell{padding:34px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.5s;position:relative}
.svc .cell:hover{background:linear-gradient(180deg,transparent,rgba(47,107,192,.10))}
.svc .cell .n{font-family:var(--serif);font-size:13px;color:var(--dim)}
.svc .cell h3{font-size:21px;margin:14px 0 8px;transition:.4s}
.svc .cell:hover h3{color:var(--glow)}
.svc .cell p{font-size:14px;color:var(--dim)}
.svc .cell:nth-child(3n){border-right:none}
@media(max-width:860px){.svc{grid-template-columns:1fr}.svc .cell{border-right:none}}

/* PROCESS ticker */
.proc{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;white-space:nowrap;background:var(--ink2)}
.proc .tk{display:inline-block;animation:tick 24s linear infinite;padding:19px 0;font-family:var(--serif);font-size:23px;color:var(--mist)}
.proc .tk span{margin:0 30px}.proc .tk b{color:var(--blue);font-weight:400}.proc .tk i{color:var(--gold);font-style:normal;font-size:.7em}
@keyframes tick{to{transform:translateX(-50%)}}

/* FEATURED project rows (home) */
.plist{border-top:1px solid var(--line)}
.pi{padding:30px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:baseline;gap:20px;transition:.4s;cursor:pointer}
.pi .t{font-family:var(--serif);font-weight:600;font-size:clamp(26px,4.4vw,54px);letter-spacing:-.02em;color:#3a4a68;transition:.4s}
.pi:hover{padding-left:18px}
.pi:hover .t{color:var(--mist);text-shadow:0 0 26px rgba(140,186,242,.55)}
.pi .c{font-size:13px;color:var(--dim);letter-spacing:.05em;white-space:nowrap}
.pthumb{position:fixed;top:0;left:0;width:290px;height:196px;border-radius:14px;pointer-events:none;z-index:60;opacity:0;
  transform:scale(.9);background-size:cover;background-position:center;border:1px solid var(--line);box-shadow:0 30px 60px rgba(0,0,0,.55)}
@media(max-width:860px){.pthumb{display:none}}

/* LOGO band — static, original logos */
.logoband{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.logoband .lg{background:#f5f7fb;border-radius:16px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;padding:28px;height:150px;
  transition:transform .4s,box-shadow .4s}
.logoband .lg:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(10,14,24,.5)}
.logoband .lg img{width:100%;height:100%;object-fit:contain}
@media(max-width:900px){.logoband{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.logoband{grid-template-columns:repeat(2,1fr)}}

/* CARDS / GRID2 */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}
.card{background:linear-gradient(160deg,var(--ink2),var(--ink));border:1px solid var(--line);border-radius:16px;padding:34px}
.card .k{font-family:var(--serif);font-size:13px;color:var(--blue);letter-spacing:.18em;text-transform:uppercase;display:block;margin-bottom:14px}
.card h3{font-size:25px;margin-bottom:12px}.card p{font-size:15px;color:var(--dim)}
@media(max-width:860px){.grid2{grid-template-columns:1fr}}

/* STATS */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:24px}
.stat{border-top:1px solid var(--line);padding-top:18px}
.stat .n{font-family:var(--serif);font-size:clamp(36px,5vw,58px);line-height:1}
.stat .n small{font-size:.4em;color:var(--gold);vertical-align:super}
.stat .c{font-size:13px;color:var(--dim);margin-top:8px}
@media(max-width:860px){.stats{grid-template-columns:1fr 1fr}}

/* WORKS index grid */
.workgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.wcard{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;display:block}
.wcard img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.3,0,.2,1),filter .5s;filter:saturate(.9) brightness(.9)}
.wcard:hover img{transform:scale(1.05);filter:saturate(1.05) brightness(1.03)}
.wcard .ov{position:absolute;inset:auto 0 0 0;padding:44px 20px 16px;
  background:linear-gradient(transparent,rgba(10,14,24,.88))}
.wcard .ov b{font-family:var(--serif);font-weight:600;font-size:20px;display:block}
.wcard .ov span{font-size:12px;color:var(--dim);letter-spacing:.06em}
.wcard .go{position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(231,238,247,.35);display:flex;align-items:center;justify-content:center;
  background:rgba(10,14,24,.45);backdrop-filter:blur(6px);transition:.4s;opacity:0;transform:translateY(-6px)}
.wcard:hover .go{opacity:1;transform:none;border-color:var(--gold)}
@media(max-width:900px){.workgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.workgrid{grid-template-columns:1fr}}

/* ARCHIVE time-tunnel (untouched behaviour, scaled slightly) */
.arc-cloud{position:relative;margin-top:9vh;min-height:96vh}
.arc-item{position:absolute;width:96px;height:96px;overflow:hidden;border-radius:3px;cursor:pointer;
  transition:transform .55s cubic-bezier(.2,.8,.2,1),box-shadow .55s;z-index:1;filter:sepia(.25) contrast(.98)}
.arc-item img{width:100%;height:100%;object-fit:cover}
.arc-item:hover{transform:scale(2.6)!important;z-index:50;box-shadow:0 30px 90px rgba(0,0,0,.7);filter:sepia(0)}
@media(max-width:700px){.arc-item{width:66px;height:66px}.arc-item:hover{transform:scale(2.1)!important}}
.arc-hintline{margin-top:4vh;font-size:12px;letter-spacing:.35em;text-transform:uppercase;color:var(--dim);text-align:center}

/* PROJECT DETAIL */
.case-hero{padding:180px 0 40px}
.case-hero .crumbs{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-bottom:20px}
.case-hero .crumbs a:hover{color:var(--glow)}
.case-hero h1{font-size:clamp(40px,6.6vw,92px)}
.case-meta{display:flex;gap:44px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.case-meta div b{display:block;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-bottom:6px;font-weight:500}
.case-meta div span{font-size:14.5px;color:var(--dim)}
.case-cover{border-radius:18px;overflow:hidden;border:1px solid var(--line);margin-top:44px}
.case-cover img{width:100%;max-height:72vh;object-fit:cover;transform:scale(1.06)}
.case-body{display:grid;grid-template-columns:.9fr 1.1fr;gap:6vw;padding:80px 0}
.case-body h2{font-size:clamp(26px,3.4vw,42px)}
.case-body .txt p{color:var(--dim);font-size:15.5px;line-height:1.85;margin-bottom:1.4em}
.case-body .txt strong{color:var(--mist);font-weight:500}
.case-body ul.scope{list-style:none;margin-top:10px}
.case-body ul.scope li{padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--dim);display:flex;gap:12px}
.case-body ul.scope li::before{content:"—";color:var(--gold)}
@media(max-width:860px){.case-body{grid-template-columns:1fr}}
.case-gal{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding-bottom:40px}
.case-gal figure{border-radius:14px;overflow:hidden;border:1px solid var(--line);position:relative}
.case-gal img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .7s,filter .5s;filter:saturate(.92) brightness(.94)}
.case-gal figure:hover img{transform:scale(1.04);filter:saturate(1.06) brightness(1.04)}
.case-gal figcaption{position:absolute;left:12px;bottom:12px;font-size:12px;color:var(--mist);
  background:rgba(10,14,24,.6);backdrop-filter:blur(6px);padding:6px 12px;border-radius:20px;opacity:0;transform:translateY(6px);transition:.4s}
.case-gal figure:hover figcaption{opacity:1;transform:none}
.case-gal figure.wide{grid-column:1/-1}
.case-gal figure.wide img{aspect-ratio:21/9}
@media(max-width:640px){.case-gal{grid-template-columns:1fr}}
.case-next{border-top:1px solid var(--line);padding:70px 0;text-align:center}
.case-next .lbl{font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--dim)}
.case-next a{font-family:var(--serif);font-weight:600;font-size:clamp(30px,5vw,64px);display:inline-block;margin-top:10px;transition:.4s}
.case-next a:hover{color:var(--glow);text-shadow:0 0 30px rgba(140,186,242,.5)}

/* FOOTER */
footer.site{border-top:1px solid var(--line);padding:70px 0 40px;background:var(--ink2)}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.foot-grid h3{font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.foot-grid .col b{display:block;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;font-weight:500}
.foot-grid .col a,.foot-grid .col span{display:block;font-size:14px;color:var(--dim);padding:5px 0;transition:.3s}
.foot-grid .col a:hover{color:var(--mist)}
.foot-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:56px;padding-top:22px;
  border-top:1px solid var(--line);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr}}

/* CONTACT */
.cform{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px}
.cform .full{grid-column:1/-1}
.cform label{display:block;font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.cform input,.cform textarea,.cform select{width:100%;background:var(--ink2);border:1px solid var(--line);border-radius:12px;
  color:var(--mist);font-family:var(--sans);font-size:15px;padding:15px 16px;transition:border-color .3s;outline:none}
.cform input:focus,.cform textarea:focus{border-color:var(--blue)}
.cform textarea{min-height:140px;resize:vertical}
@media(max-width:700px){.cform{grid-template-columns:1fr}}

/* STATIC PROCESS STEPS */
.steps{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.steps .st{padding:26px 22px;border-right:1px solid var(--line);transition:.4s}
.steps .st:last-child{border-right:none}
.steps .st i{font-style:normal;font-family:var(--serif);font-size:13px;color:var(--gold);display:block;margin-bottom:8px}
.steps .st b{font-family:var(--serif);font-weight:600;font-size:19px}
.steps .st:hover{background:linear-gradient(180deg,transparent,rgba(47,107,192,.10))}
@media(max-width:900px){.steps{grid-template-columns:repeat(3,1fr)}.steps .st{border-bottom:1px solid var(--line)}}
@media(max-width:560px){.steps{grid-template-columns:repeat(2,1fr)}}
/* two-col featured grid */
.workgrid.two{grid-template-columns:1fr 1fr}
.workgrid.two .wcard{aspect-ratio:16/10}
@media(max-width:700px){.workgrid.two{grid-template-columns:1fr}}

/* ---- v4 UX turu ---- */
/* a11y */
:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:4px}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1!important;transform:none!important}
}
/* logo band v2 — daha büyük, eşit, tipografik yedek */
.logoband .lg{height:170px;padding:34px;border-radius:18px}
.logoband .lg--text{font-family:var(--serif);font-weight:600;color:#12213a;font-size:clamp(17px,1.6vw,23px);letter-spacing:.02em;text-align:center;line-height:1.2}
/* zaman tüneli teaser (ana sayfa) */
.tunnel{position:relative;overflow:hidden;padding:0 0 20px}
.tunnel-strip{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin-top:50px}
.tunnel-strip .ph{width:150px;height:150px;overflow:hidden;border-radius:4px;border:1px solid var(--line);
  filter:sepia(.3) contrast(.98);transition:transform .5s cubic-bezier(.2,.8,.2,1),filter .5s,box-shadow .5s;
  box-shadow:0 10px 30px rgba(0,0,0,.4)}
.tunnel-strip .ph img{width:100%;height:100%;object-fit:cover}
.tunnel-strip .ph:hover{transform:rotate(0deg) scale(1.9)!important;filter:sepia(0);z-index:5;box-shadow:0 26px 70px rgba(0,0,0,.65)}
.tunnel-strip .ph{position:relative;z-index:1}
@media(max-width:700px){.tunnel-strip .ph{width:104px;height:104px}}
/* marka dizini (işler) */
.brandindex{margin-top:34px;column-count:3;column-gap:48px}
.brandindex span{display:block;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--dim);transition:color .3s,padding-left .3s}
.brandindex span:hover{color:var(--mist);padding-left:8px}
.brandindex span i{font-style:normal;color:var(--gold);font-size:11.5px;letter-spacing:.06em;display:block}
@media(max-width:900px){.brandindex{column-count:2}}
@media(max-width:560px){.brandindex{column-count:1}}

/* STICKY HELP */
#stickyHelp{position:fixed;right:0;top:50%;transform:translateY(-50%) rotate(180deg);z-index:900;display:inline-flex;align-items:center;gap:10px;
  writing-mode:vertical-rl;border:1px solid rgba(231,238,247,.18);border-right:none;border-radius:0 14px 14px 0;padding:22px 12px;cursor:pointer;
  background:rgba(27,58,107,.55);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  color:var(--mist);font-family:var(--sans);font-size:12.5px;letter-spacing:.06em;transition:.35s;
  box-shadow:0 18px 50px rgba(4,8,18,.5)}
#stickyHelp:hover{border-color:rgba(203,176,106,.6);background:rgba(27,58,107,.75)}
#stickyHelp.hide{opacity:0;pointer-events:none}
#stickyHelp .sh-dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold);animation:pulse2 2.4s ease-in-out infinite}
@keyframes pulse2{0%,100%{opacity:.5}50%{opacity:1}}
#helpPanel{position:fixed;right:20px;top:50%;margin-top:-260px;z-index:950;width:min(370px,90vw);
  border:1px solid rgba(231,238,247,.2);border-radius:22px;padding:26px;
  background:linear-gradient(160deg,rgba(27,58,107,.6),rgba(14,21,36,.8));
  backdrop-filter:blur(24px) saturate(1.3);-webkit-backdrop-filter:blur(24px) saturate(1.3);
  box-shadow:0 34px 90px rgba(4,8,18,.7);opacity:0;pointer-events:none;transform:translateY(18px);
  transition:opacity .35s,transform .35s cubic-bezier(.2,.8,.2,1)}
#helpPanel.open{opacity:1;pointer-events:auto;transform:none}
#helpPanel .hp-close{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--mist);font-size:15px;cursor:pointer}
#helpPanel .hp-title{font-family:var(--serif);font-size:21px;font-weight:600;margin:0 0 16px;line-height:1.25}
#helpPanel input,#helpPanel textarea{width:100%;background:rgba(10,14,24,.55);border:1px solid var(--line);border-radius:12px;
  color:var(--mist);font-family:var(--sans);font-size:14px;padding:12px 14px;margin-bottom:10px;outline:none;transition:border-color .3s}
#helpPanel input:focus,#helpPanel textarea:focus{border-color:var(--blue)}
#helpPanel textarea{min-height:84px;resize:vertical}
#helpPanel .cta{width:100%;justify-content:center;padding:12px}
#helpPanel .hp-alt{margin-top:14px;font-size:13px;color:var(--dim);line-height:1.9}
#helpPanel .hp-alt a{color:var(--glow)}
/* logoband tipografik kutu */
.logoband .lg--text{font-family:var(--serif);font-weight:600;color:#12213a;font-size:clamp(15px,1.4vw,21px);letter-spacing:.02em;text-align:center;line-height:1.25}
@media(max-width:700px){#stickyHelp{padding:16px 10px;font-size:11px}#helpPanel{right:8px;top:auto;bottom:10px;margin-top:0}}


/* ==== ç-polish-v1: koyu scrollbar + işler grid rozeti ==== */
html{scrollbar-color:var(--navy) var(--ink);scrollbar-width:thin}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--navy),var(--ink3));border:2px solid var(--ink);border-radius:20px}
::-webkit-scrollbar-thumb:hover{background:var(--blue)}
.witem .frame::after{content:"\2197";position:absolute;top:12px;right:12px;width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;border-radius:50%;
  border:1px solid rgba(203,176,106,.7);background:rgba(10,14,24,.5);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  color:var(--gold);font-size:14px;opacity:0;transform:translateY(-6px);
  transition:opacity .4s,transform .4s;pointer-events:none;z-index:3}
.witem:hover .frame::after{opacity:1;transform:none}
.witem.arc .frame::after{display:none}