/* ============================================================
   KÖKCER — Kök Cerrahi Birliği
   Tasarım sistemi: madalyon teal + platin gümüş, kırık beyaz
   Display: Marcellus (hakkedilmiş Roma kapitalleri hissi)
   Gövde: Inter
   İmza öğesi: "madalyon kenarı" çift hairline çizgiler
   ============================================================ */

:root{
  --teal-900:#0F3A42;
  --teal-700:#175563;
  --teal-500:#4E9AA8;
  --teal-100:#E4EFF1;
  --teal-050:#F1F7F8;
  --silver:#C7CDD0;
  --silver-dk:#9AA4A8;
  --ink:#1A2628;
  --ink-soft:#425356;
  --paper:#F8FAFA;
  --white:#FFFFFF;
  --line:#DCE4E5;
  --max:1120px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--teal-700);text-decoration:none;transition:color 0.2s ease}
a:hover{color:var(--teal-500)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--teal-500);outline-offset:2px;
}

h1,h2,h3,.display{font-family:'Marcellus',serif;font-weight:400;color:var(--teal-900);line-height:1.25}
h1{font-size:clamp(2rem,4.5vw,3.1rem);letter-spacing:.01em}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.25rem}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* —— İmza: madalyon kenarı çift çizgi —— */
.rim{
  border:none;height:7px;margin:0;
  border-top:1px solid var(--silver);
  border-bottom:1px solid var(--silver);
  background:transparent;
}
.rim--teal{border-color:var(--teal-500)}

.eyebrow{
  font-size:.74rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--teal-500);font-weight:600;margin-bottom:14px;
}

/* —— Header —— */
.topbar{
  background:var(--teal-900);color:#cfe2e6;
  font-size:.78rem;letter-spacing:.06em;
  padding:7px 0;text-align:center;
}
header.site{
  background:var(--white);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--max);margin:0 auto;padding:14px 24px;
}
.brand{display:flex;align-items:center;gap:14px}
.brand img{width:54px;height:auto;border-radius:50%;}
.brand .b-name{font-family:'Marcellus',serif;font-size:1.12rem;color:var(--teal-900);line-height:1.2}
.brand .b-sub{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--silver-dk)}

nav.menu{display:flex;gap:6px;align-items:center}
nav.menu>div{position:relative}
nav.menu a.lnk{
  display:block;padding:10px 14px;font-size:.86rem;font-weight:500;
  color:var(--ink);letter-spacing:.02em;border-radius:3px;
  transition:all 0.3s ease;
}
nav.menu a.lnk:hover,nav.menu a.lnk.active{color:var(--teal-700);background:var(--teal-050)}
.drop{position:relative}
.drop>a.lnk::after{content:" ▾";font-size:.7em;color:var(--silver-dk)}
.drop-panel{
  visibility:hidden;opacity:0;transform:translateY(10px);
  position:absolute;top:100%;left:0;min-width:230px;
  background:var(--white);border:1px solid var(--line);
  border-top:2px solid var(--teal-500);
  box-shadow:0 14px 34px rgba(15,58,66,.12);padding:8px 0;
  transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.drop:hover .drop-panel,.drop:focus-within .drop-panel{
  visibility:visible;opacity:1;transform:translateY(0);
}
.drop-panel a{display:block;padding:10px 18px;font-size:.86rem;color:var(--ink);transition:all 0.2s ease;}
.drop-panel a:hover{background:var(--teal-050);color:var(--teal-700)}

@keyframes slideFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
main {
  animation: slideFadeIn 0.5s ease-out forwards;
}

.btn{
  display:inline-block;padding:12px 28px;
  background:var(--teal-700);color:#fff !important;
  font-size:.86rem;font-weight:600;letter-spacing:.06em;
  border:none;border-radius:3px;cursor:pointer;
  transition:background .2s ease;
}
.btn:hover{background:var(--teal-500)}
.btn--ghost{
  background:transparent;color:var(--teal-900) !important;
  border:1px solid var(--silver-dk);
}
.btn--ghost:hover{background:var(--teal-050)}
.btn--light{background:#fff;color:var(--teal-900) !important}
.btn--light:hover{background:var(--teal-100)}

.hamburger{display:none;background:none;border:1px solid var(--line);border-radius:3px;padding:8px 12px;font-size:1.1rem;cursor:pointer;color:var(--teal-900)}

/* —— Hero —— */
.hero{
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(78,154,168,.35), transparent 60%),
    linear-gradient(165deg, var(--teal-900) 0%, #134A55 55%, var(--teal-700) 100%);
  color:#EAF3F4;
  padding:88px 0 96px;
  position:relative;overflow:hidden;
}
.hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero h1{color:#fff;margin:14px 0 20px}
.hero p.lead{font-size:1.08rem;color:#CDE2E6;max-width:54ch;margin-bottom:34px}
.hero .eyebrow{color:#9FCBD3}
.hero-logo{
  display:flex;justify-content:center;align-items:center;
}
.hero-logo .plaque{
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-logo img{
  width:min(290px,70vw);
  border-radius: 50%;
  
}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}

/* —— Sections —— */
section.block{padding:78px 0}
section.block--tint{background:var(--teal-050)}
section.block--deep{background:var(--teal-900);color:#D9E8EA}
section.block--deep h2{color:#fff}
.sec-head{max-width:680px;margin-bottom:46px}
.sec-head p{color:var(--ink-soft);margin-top:14px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:34px}

.card{
  background:var(--white);
  border:1px solid var(--line);
  border-top:1px solid var(--silver);
  box-shadow:inset 0 3px 0 var(--white), inset 0 4px 0 var(--silver);
  padding:34px 30px;
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:inset 0 3px 0 var(--white), inset 0 4px 0 var(--teal-500), 0 16px 36px rgba(15,58,66,.10)}
.card h3{margin-bottom:12px}
.card p{font-size:.95rem;color:var(--ink-soft)}
.card .more{display:inline-block;margin-top:16px;font-size:.82rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}

/* —— Quote band —— */
.quote{
  text-align:center;max-width:760px;margin:0 auto;
}
.quote blockquote{
  font-family:'Marcellus',serif;font-size:clamp(1.25rem,2.6vw,1.7rem);
  color:var(--teal-900);line-height:1.5;
}
.block--deep .quote blockquote{color:#fff}
.quote cite{
  display:block;margin-top:22px;font-style:normal;
  font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--teal-500);
}

/* —— Page header (iç sayfalar) —— */
.page-head{
  background:linear-gradient(160deg,var(--teal-900),var(--teal-700));
  color:#E8F2F3;padding:62px 0 58px;
}
.page-head h1{color:#fff}
.page-head p{max-width:62ch;margin-top:14px;color:#C8DEE2}
.page-head .eyebrow{color:#9FCBD3}

/* —— Prose —— */
.prose{max-width:760px}
.prose p{margin-bottom:1.2em;color:var(--ink-soft)}
.prose p.strong-open{color:var(--ink)}
.prose h2{margin:2.2em 0 .7em}
.prose h3{margin:1.8em 0 .6em;color:var(--teal-700)}
.prose ol,.prose ul{margin:0 0 1.4em 1.3em;color:var(--ink-soft)}
.prose li{margin-bottom:.55em}
.prose ol.cognac{counter-reset:li;list-style:none;margin-left:0}
.prose ol.cognac li{
  counter-increment:li;position:relative;padding-left:44px;margin-bottom:.9em;
}
.prose ol.cognac li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:.1em;
  font-family:'Marcellus',serif;color:var(--teal-500);font-size:1.05rem;
}

/* —— Faaliyet uzun bölümler —— */
.faaliyet{
  display:grid;grid-template-columns:64px 1fr;gap:30px;
  padding:52px 0;border-bottom:1px solid var(--line);
}
.faaliyet:last-child{border-bottom:none}
.faaliyet .no{
  font-family:'Marcellus',serif;font-size:1.6rem;color:var(--silver-dk);
  border-top:2px solid var(--teal-500);padding-top:10px;
}
.faaliyet h2{margin-bottom:16px}
.faaliyet p{color:var(--ink-soft);margin-bottom:1em;max-width:72ch}

/* —— Başkan —— */
.president{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start}
.portrait{
  background:var(--white);border:1px solid var(--line);padding:14px;
  box-shadow:0 18px 40px rgba(15,58,66,.10);
}
.portrait .ph{
  aspect-ratio:3/4;background:linear-gradient(165deg,var(--teal-100),var(--teal-050));
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;
  color:var(--silver-dk);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
}
.portrait .ph .mono{font-family:'Marcellus',serif;font-size:3rem;color:var(--teal-500);letter-spacing:.05em}
.portrait figcaption{padding:14px 6px 4px;text-align:center}
.portrait figcaption .nm{font-family:'Marcellus',serif;font-size:1.05rem;color:var(--teal-900)}
.portrait figcaption .tt{font-size:.78rem;color:var(--silver-dk);letter-spacing:.08em;text-transform:uppercase;margin-top:4px}

.message p{margin-bottom:1.15em;color:var(--ink-soft)}
.message p:first-of-type{font-size:1.08rem;color:var(--ink)}
.signature{margin-top:28px}
.signature .nm{font-family:'Marcellus',serif;font-size:1.15rem;color:var(--teal-900)}
.signature .tt{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-500);margin-top:4px}

/* —— Yönetim listesi —— */
.board{list-style:none;margin-top:8px}
.board li{
  display:flex;justify-content:space-between;gap:20px;
  padding:16px 4px;border-bottom:1px solid var(--line);
}
.board .bn{font-weight:600;color:var(--ink)}
.board .br{color:var(--silver-dk);font-size:.88rem;letter-spacing:.04em}

/* —— Üyelik —— */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:10px}
.tier{background:var(--white);border:1px solid var(--line);padding:32px 28px}
.tier h3{padding-bottom:14px;border-bottom:1px solid var(--silver);margin-bottom:16px}
.tier p{font-size:.93rem;color:var(--ink-soft)}

form.kform{
  background:var(--white);border:1px solid var(--line);
  border-top:3px solid var(--teal-500);
  padding:42px;max-width:640px;
  box-shadow:0 18px 44px rgba(15,58,66,.08);
}
.kform label{display:block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-700);margin-bottom:7px}
.kform input,.kform textarea{
  width:100%;padding:13px 14px;margin-bottom:22px;
  border:1px solid var(--line);border-radius:3px;
  font:inherit;font-size:.95rem;background:var(--paper);color:var(--ink);
}
.kform input:focus,.kform textarea:focus{border-color:var(--teal-500);background:#fff}
.kform .consent{display:flex;gap:12px;align-items:flex-start;margin-bottom:26px}
.kform .consent input{width:auto;margin:4px 0 0}
.kform .consent span{font-size:.82rem;color:var(--ink-soft)}
.kform .note{font-size:.8rem;color:var(--silver-dk);margin-top:18px}

/* —— Boş durum (haberler) —— */
.empty{
  text-align:center;padding:90px 24px;max-width:560px;margin:0 auto;
}
.empty img{width:120px;margin:0 auto 28px;opacity:.9}
.empty h2{margin-bottom:14px}
.empty p{color:var(--ink-soft)}

/* —— CTA band —— */
.cta-band{
  background:linear-gradient(150deg,var(--teal-900),var(--teal-700));
  color:#fff;text-align:center;padding:70px 24px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-110px;top:50%;transform:translateY(-50%);
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 0 0 28px rgba(255,255,255,.04), 0 0 0 29px rgba(255,255,255,.10);
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#C8DEE2;max-width:54ch;margin:0 auto 30px}

/* —— Footer —— */
footer.site{
  background:var(--teal-900);color:#A9C6CB;
  padding:56px 0 34px;font-size:.88rem;
}
footer .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
footer .f-brand{display:flex;gap:14px;align-items:flex-start}
footer .f-brand img{width:62px; border-radius: 50%;}
footer .f-brand .b-name{font-family:'Marcellus',serif;color:#fff;font-size:1.05rem}
footer .f-brand .b-sub{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-500);margin-top:3px}
footer h4{color:#fff;font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px;font-weight:600}
footer a{display:block;color:#A9C6CB;padding:4px 0}
footer a:hover{color:#fff}
footer .legal{
  max-width:var(--max);margin:44px auto 0;padding:22px 24px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:.78rem;color:#7FA3A9;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
}

/* —— Responsive —— */
@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero-logo{order:-1}
  .hero-logo .plaque{padding:22px}
  .hero-logo img{width:190px}
  .grid-3,.tiers{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .president{grid-template-columns:1fr}
  .portrait{max-width:300px}
  footer .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  nav.menu{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--white);border-bottom:1px solid var(--line);
    padding:10px 0;box-shadow:0 18px 30px rgba(15,58,66,.12);
  }
  nav.menu.open{display:flex}
  .drop-panel{visibility:visible;opacity:1;transform:translateY(0);position:static;display:block;border:none;box-shadow:none;padding-left:16px}
  .drop>a.lnk::after{content:""}
  .hamburger{display:block}
  .grid-3,.tiers{grid-template-columns:1fr}
  .faaliyet{grid-template-columns:1fr;gap:10px}
  footer .wrap{grid-template-columns:1fr}
  section.block{padding:56px 0}
  form.kform{padding:28px 22px}
}
/* @media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
} */