:root{
  --ink:#0f172a;
  --muted:#64748b;
  --line:#1f3b67;
  --panel:#e9f2fb;
  --btn:#1f3b67;
  --radius:14px;
  --wrap:1100px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink);
  background:#fff;
}
.wrap{
  width: min(85vw, 1400px);
  margin: 0 auto;
}

.topbar{ background:#fff; position:sticky; top:0; z-index:10; }
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 0 14px 0;
}
.topbar__line{ height:2px; background:var(--line); }

.brand{ display:flex; align-items:center; gap:14px; text-decoration:none; color:var(--ink); }
.brand__logo{ height:46px; width:auto; display:block; }
.brand__name{ font-weight:800; font-size:40px; letter-spacing:0.5px; }

.nav{ display:flex; align-items:center; gap:18px; }
.btn{
  background:var(--btn);
  color:#fff;
  padding:10px 16px;
  border-radius:12px;
  text-decoration:none;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.btn__sub{ font-weight:600; font-size:12px; opacity:.9 }
.nav__link{
  color:var(--ink);
  text-decoration:underline;
  font-weight:700;
}
.nav__link.is-active{ text-decoration:underline; }

.hero{ margin:18px 0 24px 0; }
.hero__img{
  width:100%;
  height:220px;
  object-fit:cover;
  border-radius:12px;
  display:block;
}
.hero__note{
  margin-top:14px;
  background:var(--panel);
  color:#18324f;
  padding:16px 18px;
  border-radius:12px;
  line-height:1.55;
  font-size:20px; 
}

.block{ margin:26px 0; }
.block.last{ margin-bottom:60px; }

.thumbrow{
  background:var(--panel);
  padding:14px;
  border-radius:12px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-bottom:12px;
}
/* 9/5 oranı KUTUDA sabit: en sağlam yöntem */
.thumbcard{
  position:relative;
  width:100%;
  padding-top:55.5556%;            /* 5/9 = 0.55556 -> 9:5 kutu */
  background:#fff;
  border:1px solid rgba(0,0,0,.06);
  border-radius:10px;
  overflow:hidden;                  /* yuvarlak köşe için şart */
}

/* Görsel kutuyu doldurur ama kırpmaz */
.thumbcard > img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:contain;               /* kırpma yok */
  object-position:center;
  display:block;
}

.h1{ margin:0 0 10px 0; font-size:28px; font-weight:800; }
.h2{ margin:10px 0 6px 0; font-size:22px; font-weight:800; }
.p{ margin:0; color:var(--muted); line-height:1.5; }

.contact{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap:24px;
  align-items:start;
  margin:26px 0 80px 0;
}
.contact__box{
  background:var(--panel);
  padding:22px;
  border-radius:12px;
}
/* İletişim sayfası görsel oranı: 467 x 700 */
.contact__imgwrap{
  width: 100%;
  max-width: 467px;          /* genişlik referansı */
  aspect-ratio: 467 / 700;   /* KRİTİK */
  border-radius: 12px;
  overflow: hidden;
  margin-left: auto;         /* sağda dursun */
}

/* İletişim başlığı alt çizgi (garanti yöntem) */
.contact-title{
  display:inline-block;
  border-bottom: 3px solid var(--line);
  padding-bottom: 6px;
  margin-bottom: 14px;
}

.contact__img{
  width: 100%;
  height: 100%;
  object-fit: contain;       /* KIRPMA YOK */
  background: #e9f2fb;       /* boşluk kalırsa panel rengi */
  display: block;
}

.link{ color:var(--ink); text-decoration:underline; font-weight:700; }

.footer{
  border-top:1px solid rgba(0,0,0,.08);
  padding:18px 0;
}
.footer__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}
.footer__left{ display:flex; align-items:center; gap:12px; }
.footer__logo{ height:28px; width:auto; display:block; opacity:.95; }
.footer__txt{ color:var(--muted); font-size:14px; }
.footer__mail{ color:var(--muted); text-decoration:underline; font-size:14px; }

@media (max-width: 860px){
  .brand__name{ font-size:32px; }
  .hero__img{ height:170px; }
  .thumb{ height:120px; }
  .contact{ grid-template-columns: 1fr; }
  .contact__img{ height:320px; }
  .contact__imgwrap{
    max-width: 100%;
    aspect-ratio: 467 / 700;
  }
}