/* =========================================================
   TEKİN MATBAA — 1/3 TEMEL
   Renk sistemi, tipografi, üst menü, mobil çekmece, footer
   ---------------------------------------------------------
   Kanallar: K siyah · C cyan · M magenta · Y sarı
             S varak (davetiye) · W mor (website)
   ========================================================= */

:root{
  --k:#14141c; --c:#0098d8; --m:#e5007e; --y:#f5c400; --s:#a5763f; --w:#5b4bd8;
  --kagit:#f4f4f1; --kagit-2:#ffffff;
  --murekkep:#14141c; --murekkep-60:#5c5c66; --murekkep-40:#8d8d95;
  --cizgi:#dcdcd6; --hata:#c62828; --olumlu:#0d6a4f;
  --aktif:var(--k); --nokta:var(--k);
  --kap:1320px; --r:3px;
  --gecis:130ms cubic-bezier(.2,.6,.2,1);
  --yay:720ms cubic-bezier(.16,.84,.24,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--kagit);color:var(--murekkep);
  font-family:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:"Archivo",system-ui,sans-serif;margin:0;letter-spacing:-.02em;line-height:1.1}
p{margin:0}
ul,ol,dl{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--aktif);outline-offset:3px}

.kap{width:100%;max-width:var(--kap);margin-inline:auto;padding-inline:24px}
.atla{position:absolute;left:-999px;top:0;background:var(--murekkep);color:#fff;padding:10px 16px;z-index:99}
.atla:focus{left:8px;top:8px}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:11px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--murekkep-60)}
.mockup{display:block;width:100%;height:100%}

.dugme{display:inline-block;background:var(--murekkep);color:#fff;padding:12px 22px;border:1px solid var(--murekkep);
  border-radius:var(--r);font-weight:600;font-size:14px;cursor:pointer;
  transition:background var(--gecis),border-color var(--gecis),color var(--gecis)}
.dugme:hover{background:var(--aktif);border-color:var(--aktif);color:#fff}
.dugme--hayalet{background:transparent;color:var(--murekkep)}
.dugme--hayalet:hover{background:var(--murekkep);color:#fff;border-color:var(--murekkep)}

.rozet{display:inline-block;margin-left:6px;font-family:"JetBrains Mono",monospace;font-size:9px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;background:var(--aktif);color:#fff;padding:2px 5px;
  border-radius:var(--r);vertical-align:1px}

/* =========================================================
   DUYURU ŞERİDİ
   ========================================================= */
.duyuru{background:var(--murekkep);color:#fff}
.duyuru__ic{display:flex;gap:26px;align-items:center;height:34px;overflow:hidden}
.duyuru__oge{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.06em;color:#c9c9d2;white-space:nowrap}
.duyuru__oge b{color:#fff}
.duyuru__oge--sag{margin-left:auto}

/* =========================================================
   HEADER
   ========================================================= */
.ust{position:sticky;top:0;z-index:50;background:var(--kagit-2);border-bottom:1px solid var(--cizgi)}
.ust__ic{display:flex;align-items:center;gap:24px;height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{width:26px;height:26px;color:var(--aktif);transition:color var(--gecis)}
.logo__yazi{font-family:"Archivo",sans-serif;font-weight:800;font-size:19px;letter-spacing:-.03em}
.logo__alt{font-weight:500;color:var(--murekkep-60);margin-left:3px}

.ara{position:relative;flex:1 1 auto;max-width:520px}
.ara input{width:100%;height:42px;padding:0 44px 0 14px;border:1px solid var(--cizgi);border-radius:var(--r);
  background:var(--kagit);font:inherit;font-size:14px}
.ara input:focus{outline:none;border-color:var(--aktif);background:#fff}
.ara button{position:absolute;right:4px;top:4px;width:34px;height:34px;display:grid;place-items:center;
  background:none;border:0;cursor:pointer;color:var(--murekkep-60)}
.ara button svg{width:17px;height:17px}
.ara__sonuc{position:absolute;top:48px;left:0;right:0;background:#fff;border:1px solid var(--cizgi);
  border-radius:var(--r);box-shadow:0 18px 40px rgba(20,20,28,.13);max-height:340px;overflow:auto;z-index:60}
.ara__sonuc a{display:block;padding:9px 14px;font-size:14px;border-bottom:1px solid var(--kagit)}
.ara__sonuc a:hover{background:var(--kagit)}
.ara__sonuc span{font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--murekkep-40);display:block;
  letter-spacing:.08em;text-transform:uppercase}
.ara__bos{padding:14px;font-size:14px;color:var(--murekkep-60)}

.ust__aksiyon{display:flex;align-items:center;gap:10px;margin-left:auto}
.ust__tel{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--murekkep-60)}
.ust__tel:hover{color:var(--murekkep)}
.hamburger{display:none;width:42px;height:42px;background:none;border:1px solid var(--cizgi);
  border-radius:var(--r);cursor:pointer;padding:11px 10px}
.hamburger span{display:block;height:2px;background:var(--murekkep);margin:0 0 4px}
.hamburger span:last-child{margin-bottom:0}

/* =========================================================
   ANA GEZİNME + MEGA MENÜ
   ========================================================= */
.gezinme{position:relative;border-top:1px solid var(--cizgi);background:var(--kagit-2)}
.gezinme__ic{display:flex;align-items:center;gap:16px}
.gezinme__liste{display:flex}
.gezinme__dugme{display:flex;align-items:center;gap:7px;height:50px;padding:0 17px;background:none;border:0;
  cursor:pointer;font-weight:600;font-size:15px;border-bottom:3px solid transparent;
  transition:color var(--gecis),border-color var(--gecis)}
.gezinme__liste li:first-child .gezinme__dugme{padding-left:0}
.gezinme__dugme .ok{width:10px;height:6px;transition:transform var(--gecis)}
.gezinme__dugme[aria-expanded="true"]{color:var(--aktif);border-bottom-color:var(--aktif)}
.gezinme__dugme[aria-expanded="true"] .ok{transform:rotate(180deg)}
.gezinme__dugme:hover{color:var(--aktif)}
.gezinme__dugme--yeni::after{content:"Yeni";font-family:"JetBrains Mono",monospace;font-size:9px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;background:var(--w);color:#fff;padding:2px 5px;border-radius:var(--r)}
.gezinme__ekler{margin-left:auto;display:flex;gap:20px;font-size:14px;color:var(--murekkep-60)}
.gezinme__ekler a:hover{color:var(--murekkep)}
.gezinme__ekler .vurgulu{color:var(--m);font-weight:600}

.mega{position:absolute;left:50%;top:100%;z-index:40;
  width:min(calc(100% - 48px), 1300px);
  transform:translateX(-50%);
  background:var(--kagit-2);border:1px solid var(--cizgi);border-top:0;border-radius:0 0 var(--r) var(--r);
  box-shadow:0 30px 50px -22px rgba(20,20,28,.3);max-height:calc(100vh - 160px);overflow-y:auto}

.acilis{animation:acilis 140ms ease-out}
@keyframes acilis{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}

.mega__ic{max-width:var(--kap);margin-inline:auto;padding:26px 24px 30px;display:grid;grid-template-columns:1fr 250px;gap:32px}
.mega__sutunlar{columns:4;column-gap:30px}
.mega__ayrac{height:1px;background:var(--cizgi);margin:22px 0 20px}

.sutun{break-inside:avoid;margin-bottom:20px;display:inline-block;width:100%}
.sutun h3{font-size:14.5px;font-weight:700;margin-bottom:7px}
.sutun h3 a:hover{color:var(--aktif)}
.sutun li a{display:block;padding:3.5px 0;font-size:14px;color:var(--murekkep-60);transition:color var(--gecis)}
.sutun li a:hover{color:var(--aktif)}
.sutun--tek h3{font-weight:600}
.sutun--tek h3 a{border-bottom:1px solid var(--cizgi);padding-bottom:2px}
.mega__sutunlar--ek .sutun h3{font-size:13px;font-family:"JetBrains Mono",monospace;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase}
.mega__sutunlar--ek .sutun li a{font-size:13.5px}

.mega__tanitim{border-left:1px solid var(--cizgi);padding-left:26px;display:flex;flex-direction:column;gap:12px}
.tanit{display:flex;flex-direction:column;gap:7px}
.tanit__gorsel{aspect-ratio:4/3;border-radius:var(--r);display:grid;place-items:center;
  background:linear-gradient(135deg,var(--aktif) 0%,rgba(20,20,28,.85) 100%);color:#fff;
  font-family:"JetBrains Mono",monospace;font-size:30px;font-weight:700;letter-spacing:.1em}
.tanit__etiket{align-self:flex-start;font-family:"JetBrains Mono",monospace;font-size:10px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;background:var(--aktif);color:#fff;padding:3px 8px;border-radius:var(--r)}
.tanit strong{font-family:"Archivo",sans-serif;font-size:17px;line-height:1.15;letter-spacing:-.02em}
.tanit__metin{font-size:13.5px;color:var(--murekkep-60)}
.tanit__link{font-weight:600;font-size:14px;color:var(--aktif)}
.tanit:hover .tanit__link{text-decoration:underline}
.tanit__tumu{margin-top:auto;font-weight:600;font-size:14px;border-top:1px solid var(--cizgi);padding-top:12px}
.tanit__tumu:hover{color:var(--aktif)}

/* =========================================================
   MOBİL ÇEKMECE
   ========================================================= */
.perde{position:fixed;inset:0;background:rgba(20,20,28,.45);z-index:70}
.cekmece{position:fixed;inset:0 0 0 auto;width:min(430px,90vw);background:var(--kagit-2);z-index:80;
  overflow-y:auto;padding:0 20px 60px;box-shadow:-18px 0 44px rgba(20,20,28,.2)}
.cekmece__ust{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;
  background:var(--kagit-2);padding:16px 0 12px;border-bottom:1px solid var(--cizgi);
  font-weight:700;font-family:"Archivo",sans-serif;font-size:17px}
.cekmece__kapat{background:none;border:0;font-size:28px;cursor:pointer;line-height:1}
.cekmece details{border-bottom:1px solid var(--cizgi)}
.cekmece summary{cursor:pointer;list-style:none;padding:13px 2px;font-weight:600;font-size:16px;display:flex;align-items:center}
.cekmece summary::-webkit-details-marker{display:none}
.cekmece summary::after{content:"+";margin-left:auto;font-weight:500;color:var(--murekkep-40)}
.cekmece details[open]>summary::after{content:"–"}
.cekmece details details{border:0;padding-left:16px}
.cekmece details details summary{font-weight:500;font-size:14.5px;padding:9px 2px;color:var(--murekkep-60)}
.cekmece__urunler{padding:0 0 10px 16px}
.cekmece__urunler a{display:block;padding:6px 0;font-size:14px;color:var(--murekkep-60)}
.cekmece__tekil{display:block;padding:13px 2px;font-size:15px;font-weight:600;border-bottom:1px solid var(--cizgi)}
.cekmece__kat .cekmece__tekil{padding-left:16px;font-weight:500;font-size:14.5px;color:var(--murekkep-60);border:0}
.cekmece__tumu{display:block;padding:12px 2px 16px 16px;font-weight:600;font-size:14px;color:var(--aktif)}

/* =========================================================
   FOOTER
   ========================================================= */
.alt{background:var(--murekkep);color:#a9a9b4;padding:56px 0 28px}
.alt__harita{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:32px 24px}
.alt__sutun h3{font-family:"JetBrains Mono",monospace;font-size:11px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.alt__nokta{width:8px;height:8px;border-radius:50%;background:var(--nokta)}
.alt__sutun li a{display:block;padding:3.5px 0;font-size:13.5px}
.alt__sutun li a:hover{color:#fff}
.alt__iletisim{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;
  margin-top:44px;padding-top:26px;border-top:1px solid #2f2f3a}
.alt__iletisim strong{display:block;color:#fff;font-family:"Archivo",sans-serif;margin-bottom:6px}
.alt__iletisim a:hover{color:#fff}
.alt__son{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:30px;
  padding-top:20px;border-top:1px solid #2f2f3a;font-size:12.5px}
.alt__son nav{display:flex;gap:18px;flex-wrap:wrap}
.alt__son a:hover{color:#fff}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1180px){ .mega__sutunlar{columns:3} }
@media (max-width:1000px){
  .mega__ic{grid-template-columns:1fr}
  .mega__tanitim{border-left:0;border-top:1px solid var(--cizgi);padding:20px 0 0;flex-direction:row;gap:18px;align-items:center}
  .tanit{flex-direction:row;align-items:center;gap:14px}
  .tanit__gorsel{width:78px;aspect-ratio:1;font-size:20px;flex:0 0 auto}
}
@media (max-width:900px){
  .gezinme,.mega{display:none}
  .hamburger{display:block}
  .ust__ic{height:66px;gap:14px}
  .ust__aksiyon .dugme,.ust__tel{display:none}
}
@media (max-width:640px){
  .ara{display:none}
  .duyuru__oge:not(.duyuru__oge--sag):not(:first-child){display:none}
}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms !important;transition-duration:.001ms !important}}