/*
 * assets/css/site.css: herkese açık sayfalar. Şimdilik sade; tasarım gelince renk ve yazı değişkenleri buradan değişir.
 * Yazı tipleri sistemden (dışarıdan yazı tipi yüklenmez, KVKK).
 */
:root {
  --zemin: #f7f6f2;
  --kart: #ffffff;
  --yazi: #1d2125;
  --silik: #5b6168;
  --cizgi: #e2e0d8;
  --vurgu: #1f5c4a;
  --vurgu-acik: #e3efe9;
  --hata: #a3262a;
  --hata-zemin: #f8e3e1;
  --ok: #24663a;
  --ok-zemin: #e4f1e6;
  --yazi-tipi: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --baslik-tipi: Georgia, "Times New Roman", serif;
  --genislik: 1080px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --zemin: #141615; --kart: #1c1f1e; --yazi: #e9eae6; --silik: #a3a8a4; --cizgi: #2e3331; --vurgu: #8fd0b5; --vurgu-acik: #1f2e29;
    --hata: #f19a93; --hata-zemin: #3a1d1b; --ok: #8fd19a; --ok-zemin: #1d2e1f; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--zemin); color: var(--yazi); font: 16px/1.6 var(--yazi-tipi); min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; width: 100%; max-width: var(--genislik); margin: 0 auto; padding: 32px 16px 64px; }
a { color: var(--vurgu); }
img { max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--baslik-tipi); line-height: 1.2; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: clamp(28px, 5vw, 42px); margin: 0 0 12px; }
h2 { font-size: 24px; margin: 0 0 14px; }
h3 { font-size: 19px; margin: 0 0 4px; }
h3 a { color: inherit; text-decoration: none; }
h3 a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--vurgu); outline-offset: 2px; }
.atla { position: absolute; left: -9999px; }
.atla:focus { left: 16px; top: 8px; background: var(--kart); padding: 6px 10px; z-index: 10; }
.silik { color: var(--silik); }
.ust-etiket { margin: 0 0 4px; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--silik); }

.ust { border-bottom: 1px solid var(--cizgi); background: var(--kart); }
.ust-ic { max-width: var(--genislik); margin: 0 auto; padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.marka { font-family: var(--baslik-tipi); font-size: 26px; font-weight: 700; color: var(--yazi); text-decoration: none; letter-spacing: -.02em; }
.menu { display: flex; gap: 4px 18px; flex-wrap: wrap; }
.menu a { color: var(--yazi); text-decoration: none; font-weight: 500; padding: 4px 0; border-bottom: 2px solid transparent; }
.menu a:hover, .menu a[aria-current] { border-bottom-color: var(--vurgu); }

.alt { border-top: 1px solid var(--cizgi); background: var(--kart); font-size: 14.5px; }
.alt-ic { max-width: var(--genislik); margin: 0 auto; padding: 24px 16px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.alt nav { display: flex; gap: 6px 18px; flex-wrap: wrap; align-items: flex-start; }
.alt a { color: var(--silik); }

.bolum { margin: 0 0 48px; }
.bolum.dar { max-width: 680px; }
.bolum-bas { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.giris { padding: 24px 0 8px; }
.giris p { font-size: 19px; color: var(--silik); max-width: 640px; margin: 0; }
.metin p { margin: 0 0 14px; }
.metin { max-width: 680px; }

.dugme { display: inline-block; font: inherit; font-weight: 600; padding: 9px 18px; border-radius: 8px; border: 1px solid var(--vurgu); background: var(--vurgu); color: var(--kart); text-decoration: none; cursor: pointer; }
.dugme.ikincil { background: transparent; color: var(--vurgu); }
.dugme[disabled] { opacity: .5; cursor: default; }
.dugmeler { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 0; }

.sayilar { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 28px 24px; }
.sayi-kart { display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: start; }
.sayi-kapak { display: block; aspect-ratio: 5 / 7; border-radius: 4px; overflow: hidden; background: var(--vurgu-acik); box-shadow: 0 1px 2px rgba(0,0,0,.1), 0 6px 18px rgba(0,0,0,.08); }
.sayi-kapak img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kapak-bos { display: flex; height: 100%; align-items: center; justify-content: center; font-family: var(--baslik-tipi); font-size: 34px; color: var(--vurgu); }
.sayi-kart .silik { font-size: 14.5px; margin: 4px 0 0; }
.sayi-kart .dugme { padding: 6px 14px; font-size: 14.5px; }
.sayi-buyuk { grid-template-columns: minmax(140px, 260px) 1fr; gap: 28px; }
.sayi-buyuk h3 { font-size: 28px; }

.etkinlikler { display: flex; flex-direction: column; gap: 18px; }
.etkinlik-kart { display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 16px; background: var(--kart); border: 1px solid var(--cizgi); border-radius: 10px; }
.etkinlik-kart p { margin: 4px 0 0; }
.takvim-yaprak { display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 8px; background: var(--vurgu-acik); color: var(--vurgu); height: 64px; }
.takvim-yaprak b { font-size: 24px; line-height: 1; }
.takvim-yaprak span { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.gecmis .etkinlik-kart { opacity: .78; }
.etkinlik-gorsel { border-radius: 10px; margin: 0 0 20px; display: block; }
.bilgi-satirlari { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 6px; }

.kutu { background: var(--kart); border: 1px solid var(--cizgi); border-radius: 12px; padding: 20px; }
.bos { color: var(--silik); padding: 28px; text-align: center; border: 1px dashed var(--cizgi); border-radius: 12px; }
.mesaj { padding: 12px 16px; border-radius: 10px; margin: 0 0 16px; }
.mesaj.ok { background: var(--ok-zemin); color: var(--ok); }
.mesaj.hata { background: var(--hata-zemin); color: var(--hata); }

.form { display: flex; flex-direction: column; gap: 14px; max-width: 560px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 15px; }
.form .secim { flex-direction: row; align-items: flex-start; gap: 10px; font-weight: 400; }
.form small { font-weight: 400; color: var(--silik); }
input, textarea, select { font: inherit; padding: 10px 12px; border: 1px solid var(--cizgi); border-radius: 8px; background: var(--kart); color: var(--yazi); width: 100%; }
.secim input { width: auto; margin-top: 4px; }
textarea { min-height: 120px; resize: vertical; }
.tuzak { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.dogrulama { text-align: center; padding: 28px 20px; }
.dogrulama .isaret { width: 64px; height: 64px; margin: 0 auto 12px; border-radius: 50%; display: grid; place-items: center; font-size: 30px; font-weight: 800; }
.dogrulama.gecerli .isaret { background: var(--ok-zemin); color: var(--ok); }
.dogrulama.iptal .isaret, .dogrulama.yok .isaret { background: var(--hata-zemin); color: var(--hata); }
.dogrulama dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; text-align: left; max-width: 420px; margin: 18px auto 0; }
.dogrulama dt { color: var(--silik); }
.dogrulama dd { margin: 0; font-weight: 600; }
.kod { font-family: ui-monospace, Menlo, Consolas, monospace; letter-spacing: .08em; }

@media (max-width: 560px) {
  .sayi-kart { grid-template-columns: 96px 1fr; }
  .sayi-buyuk { grid-template-columns: 1fr; }
  .sayi-buyuk .sayi-kapak { max-width: 220px; }
}