/* Kartı & Partners büro sitesi. Görünüş Framer'ın kurduğu tasarımdan: lacivert + beyaz, serif başlık, düz gövde.
   Düzen: beyaz üst şerit → fotoğraflı açılış → sayı şeridi → lacivert zeminde alan kartları → beyaz zeminde çerçeveli kutular → lacivert altbilgi. */
:root{
  --lacivert:#05173B; --lacivert-acik:#0C2354; --beyaz:#fff; --yazi:#0B1B3F; --soluk:#55607A;
  --cizgi:rgba(5,23,59,.16); --cizgi-acik:rgba(255,255,255,.26);
  --serif:"EB Garamond",Garamond,"Times New Roman",serif;
  --duz:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--beyaz);color:var(--yazi);font:17px/1.6 var(--duz)}
h1,h2,h3,p,ul{margin:0}
ul{list-style:none;padding:0}
a{color:inherit}
img{display:block;max-width:100%}
:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.ic{max-width:1200px;margin-inline:auto;padding-inline:clamp(20px,5vw,64px)}

/* üst şerit */
.ust{background:var(--beyaz);border-bottom:1px solid var(--cizgi)}
.ust .ic{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 32px;padding-block:22px}
.marka{font:500 clamp(24px,2.6vw,30px)/1.1 var(--serif);letter-spacing:.01em;color:var(--lacivert);text-decoration:none;white-space:nowrap}
.ust nav{display:flex;flex-wrap:wrap;gap:0 28px}
.ust nav a{font:500 15px var(--duz);letter-spacing:.06em;text-decoration:none;padding:12px 0}
.ust nav a:hover,.ust nav a[aria-current]{text-decoration:underline;text-underline-offset:8px;text-decoration-thickness:1px}

/* açılış */
.acilis{position:relative;display:flex;align-items:flex-end;min-height:clamp(440px,62vw,720px);background:var(--lacivert);color:var(--beyaz);overflow:hidden}
.acilis img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 72%}
.acilis::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,23,59,.58),rgba(5,23,59,.66) 55%,rgba(5,23,59,.86))}
.acilis .ic{position:relative;z-index:1;width:100%;padding-block:clamp(40px,7vw,88px)}
.acilis h1{font:500 clamp(44px,7.6vw,96px)/1.02 var(--serif);letter-spacing:.005em;text-wrap:balance}
.acilis p{margin-top:clamp(14px,2vw,26px);font-size:clamp(17px,1.5vw,20px);letter-spacing:.02em}

/* sayı şeridi */
.sayilar{background:var(--lacivert);color:var(--beyaz);border-top:1px solid var(--cizgi-acik)}
.sayilar ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px 32px;padding-block:30px}
.sayilar b{display:block;font:500 clamp(28px,3.2vw,40px)/1.1 var(--serif);font-variant-numeric:lining-nums}
.sayilar span{font-size:15px;opacity:.82}
@media (max-width:760px){.sayilar ul{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* bölümler */
section h2{font:500 clamp(34px,4vw,50px)/1.08 var(--serif);letter-spacing:.005em}
.koyu{background:var(--lacivert-acik);color:var(--beyaz);padding-block:clamp(56px,7vw,96px)}
.koyu h2{margin-bottom:clamp(28px,3.4vw,44px)}
.alanlar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:1040px){.alanlar{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.alanlar{grid-template-columns:minmax(0,1fr)}}
.alan{position:relative;display:flex;align-items:flex-end;aspect-ratio:4/5;background:var(--lacivert);border:1px solid var(--cizgi-acik);overflow:hidden}
@media (max-width:1040px){.alan{aspect-ratio:3/2}}
.alan img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.08);opacity:.5}
.alan::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,35,84,.35),rgba(5,23,59,.5) 50%,rgba(5,23,59,.9))}
.alan h3{position:relative;z-index:1;padding:0 22px 24px;font:500 clamp(24px,2.1vw,29px)/1.14 var(--serif);text-wrap:balance}
.alan h3::before{content:"";display:block;width:34px;height:1px;background:rgba(255,255,255,.7);margin-bottom:16px}

.acik{padding-block:clamp(56px,7vw,96px)}
.acik.cizgili{border-top:1px solid var(--cizgi);padding-block:clamp(44px,5.4vw,72px)}
.bas{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 28px;margin-bottom:clamp(24px,3vw,38px)}
.cizgili .bas h2{font-size:clamp(28px,3vw,38px)}
.tumu,.git{font:500 15px var(--duz);letter-spacing:.03em;text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px}
.tumu::after,.ic-git::after{content:" →"}
.kutular{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.kutular.uc{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.kutular.uc{grid-template-columns:minmax(0,1fr)}}
@media (max-width:700px){.kutular{grid-template-columns:minmax(0,1fr)}}
.kutu{display:flex;flex-direction:column;gap:10px;border:1px solid var(--cizgi);padding:clamp(22px,2.6vw,32px);text-decoration:none;background:var(--beyaz);transition:border-color .15s ease,background-color .15s ease}
a.kutu:hover{border-color:var(--lacivert);background:#F6F8FC}
@media (prefers-reduced-motion:reduce){.kutu{transition:none}}
.kutu h3{font:500 clamp(26px,2.4vw,31px)/1.12 var(--serif)}
.kutu p{color:var(--soluk);font-size:16px;text-wrap:pretty}
.kutu .git{margin-top:auto;padding-top:14px;overflow-wrap:anywhere}
a.kutu .git:not(.ic-git)::after{content:" ↗"}
.kutu .iki{display:flex;gap:26px;margin-top:auto;padding-top:14px}
.kutu .iki .git{margin:0;padding:0}

.kurucu{border-top:1px solid var(--cizgi);padding-block:clamp(48px,6vw,84px)}
.kurucu p{margin:10px 0 18px;color:var(--soluk)}
.kurucu .git::after{content:" ↗"}

/* Açık Erişim sayfası */
.sayfa-basi{background:var(--lacivert);color:var(--beyaz);padding-block:clamp(56px,8vw,112px) clamp(36px,4.6vw,60px)}
.sayfa-basi h1{font:500 clamp(44px,6.4vw,80px)/1.02 var(--serif)}
.vm{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(36px,6vw,88px)}
@media (max-width:820px){.vm{grid-template-columns:minmax(0,1fr)}}
.vm>div{min-width:0}
.vm h2{margin-bottom:20px}
.vm p{line-height:1.75;max-width:36em;text-wrap:pretty}
.vm p+p{margin-top:1em}

/* altbilgi */
.alt{background:var(--lacivert);color:var(--beyaz);padding-block:clamp(48px,6vw,80px);font-size:15px}
.alt-izgara{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px 40px}
@media (max-width:860px){.alt-izgara{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.alt-izgara{grid-template-columns:minmax(0,1fr)}}
.alt .marka{color:var(--beyaz);margin-bottom:8px;font-size:24px}
.alt h2{font:500 14px var(--duz);letter-spacing:.08em;opacity:.7;margin-bottom:12px}
.alt p{margin-bottom:8px;opacity:.92}
.alt a{text-decoration:none}
.alt a:hover{text-decoration:underline;text-underline-offset:5px}
.alt .dis::after{content:" ↗";opacity:.7}