:root {
  --zemin: #f5f2ec;
  --kart: #ffffff;
  --murekkep: #1b1b1b;
  --soluk: #5f5b55;
  --cizgi: #e3ddd2;
  --kirmizi: #b0121b;
  --kirmizi-koyu: #8e0e15;
  --genislik: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--zemin);
  color: var(--murekkep);
  font: 17px/1.65 "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

a { color: inherit; }

.kap { max-width: var(--genislik); margin: 0 auto; padding: 0 20px; }

/* Üst bar */
.ust-bar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(245, 242, 236, .92);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--cizgi);
}
.ust-bar .kap { display: flex; align-items: center; gap: 24px; height: 68px; }

.logo {
  font-weight: 300; font-size: 34px; letter-spacing: .02em; line-height: 1;
  text-decoration: none; display: inline-flex; align-items: flex-start;
}
.logo sup { font-size: 11px; margin-left: 2px; }
.k { color: var(--kirmizi); }

.menu { display: flex; gap: 22px; margin-left: auto; }
.menu a { text-decoration: none; color: var(--soluk); font-size: 15px; }
.menu a:hover { color: var(--murekkep); }

.diller { display: flex; gap: 2px; }
.diller a {
  text-decoration: none; font-size: 13px; font-weight: 600; letter-spacing: .06em;
  padding: 5px 8px; border-radius: 6px; color: var(--soluk);
}
.diller a:hover { background: var(--cizgi); color: var(--murekkep); }
.diller a[aria-current="page"] { color: var(--kirmizi); background: #fff; box-shadow: inset 0 0 0 1px var(--cizgi); }

/* Giriş */
.giris { padding: 96px 0 88px; }
.ust-yazi {
  margin: 0 0 14px; color: var(--kirmizi);
  font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
}
.giris h1 {
  margin: 0; font-weight: 300; font-size: clamp(40px, 7vw, 76px); line-height: 1.05; letter-spacing: -.01em;
}
.giris .marka { letter-spacing: .02em; }
.ozet { max-width: 640px; margin: 26px 0 34px; font-size: 19px; color: var(--soluk); }

.dugme {
  display: inline-block; text-decoration: none;
  background: var(--kirmizi); color: #fff; font-weight: 600; font-size: 15px;
  padding: 13px 26px; border-radius: 999px; transition: background .15s;
}
.dugme:hover { background: var(--kirmizi-koyu); }

/* Hizmetler */
.hizmetler { padding: 72px 0; background: var(--kart); border-block: 1px solid var(--cizgi); }
h2 { margin: 0 0 36px; font-weight: 400; font-size: 30px; }

.kartlar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.kart {
  padding: 30px 28px; border: 1px solid var(--cizgi); border-radius: 14px; background: var(--zemin);
  scroll-margin-top: 90px;
}
.kart:target { border-color: var(--kirmizi); }
.ikon {
  width: 34px; height: 34px; fill: none; stroke: var(--kirmizi);
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}
.kart h3 { margin: 18px 0 10px; font-size: 20px; font-weight: 600; }
.kart p { margin: 0; color: var(--soluk); font-size: 16px; }

/* İletişim */
.iletisim { padding: 80px 0 90px; scroll-margin-top: 68px; }
.hizmetler { scroll-margin-top: 68px; }
.bilgi { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px 48px; margin: 0; }
.bilgi dt {
  font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--soluk);
  margin-bottom: 6px;
}
.bilgi dd { margin: 0; font-size: 18px; }
.bilgi a { text-decoration: none; border-bottom: 1px solid var(--cizgi); }
.bilgi a:hover { border-color: var(--kirmizi); }
.bilgi .harita { display: inline-block; margin-top: 8px; font-size: 15px; color: var(--kirmizi); }

/* Alt bilgi */
.alt { border-top: 1px solid var(--cizgi); padding: 26px 0; font-size: 14px; color: var(--soluk); }
.alt .kap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

a:focus-visible { outline: 2px solid var(--kirmizi); outline-offset: 3px; }

@media (max-width: 820px) {
  .kartlar { grid-template-columns: 1fr; }
  .bilgi { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .kap { padding: 0 16px; }
  .menu { display: none; }
  .diller { margin-left: auto; }
  .logo { font-size: 30px; }
  .giris { padding: 64px 0 60px; }
  .ozet { font-size: 17px; }
  .hizmetler, .iletisim { padding: 56px 0; }
  h2 { font-size: 26px; margin-bottom: 26px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }