/* ============================================================================
   REFERANSLARIMIZ (.co-ref) — v418 mockup'ı birebir, site şablonuna uyarlandı.
   Kaynak: CALISKAN_OFIS_REFERANSLAR_v418.html
   Tüm kurallar .co-ref kapsayıcısı altındadır; site genelini etkilemez.
   ========================================================================== */
.co-ref {
    --bg:     #F5F4F2;
    --paper:  #FFF;
    --ink:    #2F2C28;
    --muted:  #716B63;
    --line:   #D6D1C8;
    --bronze: #A7734E;
    --sand:   #E9E2D8;
    --dark:   #181715;
    --font:   Futura, "Futura PT", "Avenir Next", Avenir, "Century Gothic", "Tw Cen MT", Arial, sans-serif;
    /* Tüm bölümlerin ortak sol/sağ hizası: geniş ekranda 1560px kolon, darda 5vw pay */
    --kolon:  max(5vw, calc((100% - 1560px) / 2));

    background: var(--bg);
    color: var(--ink);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.45;
    letter-spacing: -.006em;
    -webkit-font-smoothing: antialiased;
}
.co-ref * { box-sizing: border-box; }
.co-ref a { color: inherit; text-decoration: none; }
.co-ref a:hover { color: inherit; text-decoration: none; }
.co-ref img { display: block; max-width: 100%; }
/* theme.css'teki global `p{color:#77838f}` bölüm renklerini eziyordu; kapsam içinde miras esas alınır */
.co-ref p { color: inherit; }

/* ---------- HERO ---------- */
.co-ref .ref-hero{position:relative;min-height:600px;padding:0 var(--kolon);overflow:hidden;background:var(--dark);color:#fff;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);align-items:end}
.co-ref .ref-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 76% 18%,rgba(167,115,78,.3),transparent 35%),linear-gradient(117deg,#171614 12%,#24211e 54%,#514236 100%)}
.co-ref .ref-hero::after{content:"";position:absolute;left:var(--kolon);right:var(--kolon);bottom:0;height:1px;background:rgba(255,255,255,.18)}
.co-ref .ref-hero-grid{position:absolute;inset:0;opacity:.28;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:8.333vw 8.333vw;-webkit-mask-image:linear-gradient(90deg,#000,transparent 78%);mask-image:linear-gradient(90deg,#000,transparent 78%)}
.co-ref .ref-hero-copy{position:relative;z-index:2;padding:92px 0 78px}
.co-ref .ref-kicker,.co-ref .ref-section-kicker{display:block;color:#C8956E;font-size:9px;font-weight:700;letter-spacing:.19em;text-transform:uppercase}
.co-ref .ref-hero h1{max-width:1040px;margin:21px 0 27px;font-family:inherit;font-size:clamp(52px,6.6vw,104px);font-weight:500;line-height:.83;letter-spacing:-.064em;color:#fff;text-transform:none}
.co-ref .ref-hero h1 span{color:#B9AFA5;font-weight:400}
.co-ref .ref-hero-copy p{max-width:640px;margin:0;color:#C9C2BA;font-size:14px;line-height:1.76}
.co-ref .ref-hero-index{position:relative;z-index:2;align-self:stretch;padding:92px 0 78px 8vw;border-left:1px solid rgba(255,255,255,.16);display:flex;flex-direction:column;justify-content:flex-end;gap:30px}
.co-ref .ref-hero-index div{padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.14)}
.co-ref .ref-hero-index strong{display:block;font-size:46px;font-weight:500;line-height:1;letter-spacing:-.055em}
.co-ref .ref-hero-index span{display:block;margin-top:8px;color:#AAA29A;font-size:8px;letter-spacing:.17em}

/* ---------- GİRİŞ ---------- */
.co-ref .ref-intro{width:min(1560px,calc(100% - 10vw));max-width:none;margin:0 auto;padding:104px 0 70px;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(380px,.68fr);gap:90px;align-items:end}
.co-ref .ref-intro h2{max-width:900px;margin:18px 0 0;font-family:inherit;font-size:clamp(40px,5vw,74px);font-weight:500;line-height:.94;letter-spacing:-.055em;text-transform:none;color:var(--ink)}
.co-ref .ref-intro p{max-width:620px;margin:0;color:var(--muted);font-size:14px;line-height:1.78}

/* ---------- BAŞLICA REFERANSLAR BANDI ----------
   Projeye bağlı kurumlar; büyük proje karesi + logo çipi + künye.
   Kareler .ref-shots/.ref-shot ile aynı slayt animasyonunu kullanır. */
.co-ref .ref-one{padding:34px var(--kolon) 96px}
.co-ref .ref-one-head{max-width:1560px;margin:0 auto 30px;padding-top:34px;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.6fr);gap:60px;align-items:end}
.co-ref .ref-one-head h2{margin:14px 0 0;font-family:inherit;font-size:clamp(30px,3.6vw,54px);font-weight:500;line-height:1;letter-spacing:-.05em;text-transform:none;color:var(--ink)}
.co-ref .ref-one-head p{margin:0 0 4px;color:var(--muted);font-size:13px;line-height:1.7}
.co-ref .ref-one-grid{max-width:1560px;margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
/* Az kart varsa ızgara daralır; kartlar kaybolmuş gibi durmaz */
.co-ref .ref-one-grid[data-adet="1"]{grid-template-columns:minmax(0,420px)}
.co-ref .ref-one-grid[data-adet="2"]{grid-template-columns:repeat(2,minmax(0,420px))}
.co-ref .ref-one-grid[data-adet="3"]{grid-template-columns:repeat(3,minmax(0,420px))}
.co-ref .ref-one-card{position:relative;display:flex;flex-direction:column;background:var(--paper);border:1px solid rgba(47,44,40,.12);overflow:hidden;transition:transform .28s,border-color .28s,box-shadow .28s}
.co-ref .ref-one-card:hover{transform:translateY(-4px);border-color:rgba(167,115,78,.45);box-shadow:0 24px 48px rgba(67,53,39,.13)}
.co-ref .ref-one-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#DCD7CF}
.co-ref .ref-one-media .ref-one-base{width:100%;height:100%;max-width:none;max-height:none;object-fit:cover;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.co-ref .ref-one-card:hover .ref-one-base{transform:scale(1.04)}
.co-ref .ref-one-media::after{content:"";position:absolute;z-index:4;inset:0;background:linear-gradient(0deg,rgba(24,23,21,.62),rgba(24,23,21,.05) 52%,rgba(24,23,21,.18))}
.co-ref .ref-one-media .ref-shot{position:absolute;inset:0;width:100%;height:100%;max-width:none;max-height:none;object-fit:cover;opacity:0}
.co-ref .ref-one-card:hover .ref-shots{opacity:1}
.co-ref .ref-one-card:hover .ref-one-media .ref-shot{animation:coRefSlayt 7.5s infinite}
.co-ref .ref-one-card:hover .ref-one-media .ref-shot--2{animation-delay:2.5s}
.co-ref .ref-one-card:hover .ref-one-media .ref-shot--3{animation-delay:5s}
.co-ref .ref-one-logo{position:absolute;z-index:5;left:14px;top:14px;min-width:62px;height:42px;padding:6px 10px;display:grid;place-items:center;background:rgba(255,255,255,.94);box-shadow:0 6px 16px rgba(47,37,26,.18)}
.co-ref .ref-one-logo img{max-width:76px;max-height:28px;width:auto;height:auto;object-fit:contain}
.co-ref .ref-one-meta{position:absolute;z-index:5;left:14px;bottom:13px;color:rgba(255,255,255,.9);font-size:8.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase}
.co-ref .ref-one-body{padding:19px 20px 22px;display:flex;flex-direction:column;flex:1}
.co-ref .ref-one-body small{display:block;margin-bottom:9px;color:var(--bronze);font-size:8.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase}
.co-ref .ref-one-body h3{margin:0;font-family:inherit;font-size:17px;font-weight:500;line-height:1.24;letter-spacing:-.028em;text-transform:none;color:var(--ink);transition:color .2s}
.co-ref .ref-one-card:hover .ref-one-body h3{color:var(--bronze)}
.co-ref .ref-one-link{margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:8.5px;font-weight:700;letter-spacing:.15em;transition:color .2s}
.co-ref .ref-one-link i{font-style:normal;font-size:13px;transition:transform .25s}
.co-ref .ref-one-card:hover .ref-one-link{color:var(--ink)}
.co-ref .ref-one-card:hover .ref-one-link i{transform:translate(2px,-2px)}

/* ---------- SEKTÖR ÇİPLERİ ---------- */
.co-ref .ref-nav{width:min(1560px,calc(100% - 10vw));max-width:none;margin:0 auto 40px;padding:22px 0 8px;display:flex;gap:9px;overflow-x:auto;scrollbar-width:thin;border-top:1px solid var(--line)}
.co-ref .ref-nav a{flex:0 0 auto;min-height:36px;padding:0 14px;display:flex;align-items:center;gap:9px;border:1px solid var(--line);background:rgba(255,255,255,.54);font-size:9px;letter-spacing:.04em;white-space:nowrap;transition:.2s}
.co-ref .ref-nav a span{color:var(--bronze);font-weight:700}
.co-ref .ref-nav a:hover{background:var(--dark);border-color:var(--dark);color:#fff}
.co-ref .ref-nav a:hover span{color:#C8956E}

/* ---------- SEKTÖR BÖLÜMLERİ ---------- */
.co-ref .ref-list{padding:0 var(--kolon) 110px}
.co-ref .ref-sector{max-width:1560px;margin:0 auto;padding:60px 0 68px;border-top:1px solid var(--line);scroll-margin-top:110px}
.co-ref .ref-sector-head{display:grid;grid-template-columns:58px minmax(0,1fr) auto;gap:22px;align-items:end;margin-bottom:30px}
.co-ref .ref-sector-no{width:48px;height:48px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--bronze);font-size:10px;letter-spacing:.08em}
.co-ref .ref-sector-head span{display:block;margin-bottom:7px;color:var(--muted);font-size:9px;font-weight:600;letter-spacing:.11em;text-transform:uppercase}
.co-ref .ref-sector-head h2{margin:0;font-family:inherit;font-size:clamp(28px,3.2vw,50px);font-weight:500;line-height:1;letter-spacing:-.045em;text-transform:none;color:var(--ink)}
.co-ref .ref-sector-head > p{margin:0 0 3px;color:var(--muted);font-size:9px;letter-spacing:.12em;text-transform:uppercase}

.co-ref .ref-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.co-ref .ref-card{min-height:218px;background:rgba(255,255,255,.86);border:1px solid rgba(47,44,40,.12);display:flex;flex-direction:column;transition:transform .25s,border-color .25s,box-shadow .25s}
.co-ref .ref-card:hover{transform:translateY(-3px);border-color:rgba(167,115,78,.45);box-shadow:0 18px 38px rgba(67,53,39,.08)}
.co-ref a.ref-card:hover h3{color:var(--bronze)}
.co-ref .ref-stage{position:relative;height:142px;display:grid;place-items:center;padding:30px;border-bottom:1px solid rgba(47,44,40,.09);overflow:hidden}
.co-ref .ref-stage img{position:relative;z-index:2;width:auto;height:auto;max-width:116px;max-height:64px;object-fit:contain;filter:saturate(.88);transition:filter .25s,transform .25s}
.co-ref .ref-card:hover .ref-stage .ref-logo{filter:saturate(1);transform:scale(1.035)}
.co-ref .ref-fallback{position:absolute;z-index:1;width:66px;height:66px;border:1px solid rgba(167,115,78,.42);border-radius:50%;display:grid;place-items:center;color:var(--bronze);font-size:17px;font-weight:700;letter-spacing:.06em}
.co-ref .ref-card h3{min-height:74px;margin:0;padding:18px 19px 12px;display:flex;align-items:flex-start;justify-content:center;text-align:center;font-family:inherit;font-size:11px;font-weight:500;line-height:1.42;letter-spacing:.002em;text-transform:none;color:var(--ink);transition:color .2s}
.co-ref .ref-card .ref-proje{margin-top:auto;padding:0 12px 14px;display:block;text-align:center;color:var(--bronze);font-size:8px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}

/* ---------- PROJEYE BAĞLI KART: rozet + hover foto slaydı ----------
   Kart bir projeye bağlıysa sahnede "PROJE" rozeti durur; üzerine gelince
   logo silinip proje kareleri (uploads/proje/kucuk) sırayla akar.
   Kare sayısı ReferansC::KARE_ADEDI = 3 (gecikmeler buna göre). */
.co-ref .ref-card--proje{border-color:rgba(167,115,78,.3)}
.co-ref .ref-card--proje .ref-stage{background:linear-gradient(180deg,rgba(167,115,78,.07),rgba(167,115,78,0))}
.co-ref .ref-rozet{position:absolute;z-index:5;top:10px;right:10px;display:flex;align-items:center;gap:5px;padding:5px 8px;border-radius:999px;background:rgba(24,23,21,.72);color:#F1E4D8;font-size:7.5px;font-weight:700;letter-spacing:.14em;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:background .25s}
.co-ref .ref-rozet svg{width:11px;height:11px;fill:none;stroke:#C8956E;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.co-ref .ref-card--proje:hover .ref-rozet{background:var(--bronze);color:#fff}
.co-ref .ref-card--proje:hover .ref-rozet svg{stroke:#fff}

/* Dinginken köşede duran mini önizleme: kartın arkasında proje fotoğrafı olduğunu belli eder */
.co-ref .ref-mini{position:absolute;z-index:4;left:10px;bottom:10px;width:54px;height:36px;overflow:hidden;border:1px solid rgba(255,255,255,.85);box-shadow:0 4px 12px rgba(47,37,26,.22);transition:opacity .25s ease,transform .25s ease}
.co-ref .ref-stage .ref-mini img{width:100%;height:100%;max-width:none;max-height:none;object-fit:cover;filter:none;transform:none}
.co-ref .ref-card--slayt:hover .ref-mini{opacity:0;transform:translateY(6px) scale(.9)}
.co-ref .ref-shots{position:absolute;z-index:3;inset:0;opacity:0;transition:opacity .3s ease}
.co-ref .ref-stage .ref-shot{position:absolute;inset:0;width:100%;height:100%;max-width:none;max-height:none;object-fit:cover;opacity:0;filter:none;transform:none}
.co-ref .ref-card--slayt:hover .ref-shots{opacity:1}
.co-ref .ref-card--slayt:hover .ref-stage .ref-shot{animation:coRefSlayt 7.5s infinite}
.co-ref .ref-card--slayt:hover .ref-stage .ref-shot--2{animation-delay:2.5s}
.co-ref .ref-card--slayt:hover .ref-stage .ref-shot--3{animation-delay:5s}
.co-ref .ref-card--proje:hover .ref-logo,
.co-ref .ref-card--proje:hover .ref-fallback{opacity:0;transition:opacity .25s ease}
.co-ref .ref-card--proje .ref-logo,
.co-ref .ref-card--proje .ref-fallback{transition:opacity .25s ease}

@keyframes coRefSlayt{
    0%   {opacity:0;transform:scale(1.07)}
    4%   {opacity:1}
    30%  {opacity:1;transform:scale(1)}
    36%  {opacity:0}
    100% {opacity:0;transform:scale(1.07)}
}

/* Dokunmatikte hover yok: ilk kare kalıcı görünür, kartın proje olduğu yine belli olur */
@media(hover:none){
    .co-ref .ref-card--slayt .ref-shots{opacity:1}
    .co-ref .ref-card--slayt .ref-stage .ref-shot--1{opacity:.96}
    .co-ref .ref-card--slayt .ref-mini{display:none}
    .co-ref .ref-card--slayt .ref-logo,
    .co-ref .ref-card--slayt .ref-fallback{opacity:0}
}

/* ---------- KAPANIŞ ---------- */
.co-ref .ref-closing{padding:100px var(--kolon) 110px;background:var(--sand)}
.co-ref .ref-closing > .ref-section-kicker,.co-ref .ref-closing-grid{max-width:1560px;margin-left:auto;margin-right:auto}
.co-ref .ref-closing-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(380px,.68fr);gap:90px;align-items:end;margin-top:20px}
.co-ref .ref-closing h2{max-width:980px;margin:0;font-family:inherit;font-size:clamp(40px,5vw,76px);font-weight:500;line-height:.92;letter-spacing:-.057em;text-transform:none;color:var(--ink)}
.co-ref .ref-closing p{max-width:600px;margin:0 0 22px;color:var(--muted);font-size:14px;line-height:1.8}
.co-ref .ref-cta-btn{min-height:58px;padding:0 26px;display:inline-flex;align-items:center;gap:44px;background:var(--dark);color:#fff;font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;transition:.23s}
.co-ref .ref-cta-btn:hover{background:#000;color:#fff;transform:translateY(-2px)}
.co-ref .ref-cta-btn span{font-size:19px;font-weight:400}

/* ---------- DUYARLI ---------- */
@media(max-width:1280px){
    .co-ref .ref-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .co-ref .ref-one-grid,.co-ref .ref-one-grid[data-adet]{grid-template-columns:repeat(3,minmax(0,1fr))}
    .co-ref .ref-one-grid[data-adet="1"]{grid-template-columns:minmax(0,1fr)}
    .co-ref .ref-one-grid[data-adet="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:980px){
    .co-ref .ref-hero{grid-template-columns:minmax(0,1fr)}
    .co-ref .ref-hero-copy{padding-bottom:52px}
    .co-ref .ref-hero-index{align-self:auto;padding:30px 0 52px;border-left:0;border-top:1px solid rgba(255,255,255,.16);display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .co-ref .ref-hero-index div{border-bottom:0}
    .co-ref .ref-intro,.co-ref .ref-closing-grid{grid-template-columns:minmax(0,1fr);gap:36px}
    .co-ref .ref-intro p,.co-ref .ref-closing p{justify-self:start}
    .co-ref .ref-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .co-ref .ref-one-head{grid-template-columns:minmax(0,1fr);gap:22px}
    .co-ref .ref-one-grid,.co-ref .ref-one-grid[data-adet]{grid-template-columns:repeat(2,minmax(0,1fr))}
    .co-ref .ref-one-grid[data-adet="1"]{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:680px){
    .co-ref .ref-hero{min-height:560px;padding:0 20px}
    .co-ref .ref-hero-copy{padding-top:70px}
    .co-ref .ref-hero h1{font-size:clamp(34px,10.4vw,60px);overflow-wrap:break-word}
    .co-ref .ref-hero-copy p,.co-ref .ref-intro p,.co-ref .ref-closing p{max-width:100%}
    .co-ref .ref-hero-index{grid-template-columns:1fr 1fr}
    .co-ref .ref-hero-index div:last-child{display:none}
    .co-ref .ref-hero-index strong{font-size:34px}
    .co-ref .ref-intro{width:auto;padding:72px 20px 52px}
    .co-ref .ref-intro h2{font-size:clamp(28px,8.4vw,38px);overflow-wrap:break-word}
    .co-ref .ref-nav{width:auto;padding-left:20px;padding-right:20px}
    .co-ref .ref-list{padding-left:20px;padding-right:20px}
    .co-ref .ref-one{padding:24px 0 72px}
    .co-ref .ref-one-head{margin-left:20px;margin-right:20px}
    .co-ref .ref-one-head h2{font-size:clamp(26px,7.6vw,34px)}
    .co-ref .ref-one-grid,.co-ref .ref-one-grid[data-adet]{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:78%;max-width:none;gap:12px;padding:2px 20px 6px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin}
    .co-ref .ref-one-card{scroll-snap-align:start}
    .co-ref .ref-sector{padding:44px 0 54px}
    .co-ref .ref-sector-head{grid-template-columns:48px 1fr}
    .co-ref .ref-sector-head > p{grid-column:2;margin-top:8px}
    .co-ref .ref-sector-head h2{font-size:30px}
    .co-ref .ref-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
    .co-ref .ref-card{min-height:196px}
    .co-ref .ref-stage{height:124px;padding:25px}
    .co-ref .ref-card h3{min-height:70px;padding:15px 12px 10px;font-size:10px}
    .co-ref .ref-closing{padding:78px 20px 86px}
    .co-ref .ref-closing h2{font-size:clamp(28px,8.4vw,40px);overflow-wrap:break-word}
    .co-ref .ref-sector-head h2{overflow-wrap:break-word}
}
@media(max-width:390px){
    .co-ref .ref-grid{grid-template-columns:1fr}
    .co-ref .ref-card h3{min-height:auto}
}
@media(prefers-reduced-motion:reduce){
    .co-ref .ref-card,.co-ref .ref-stage img{transition:none}
    .co-ref .ref-card--slayt:hover .ref-stage .ref-shot{animation:none}
    .co-ref .ref-one-card:hover .ref-one-media .ref-shot{animation:none}
    .co-ref .ref-one-card:hover .ref-one-base{transform:none}
    .co-ref .ref-card--slayt:hover .ref-stage .ref-shot--1{opacity:1}
}