/* Prof. Dr. A. Burak Bilgin — site stili
   Renkler ve yazı tipleri Görsel Kimlik Rehberi ile aynıdır.
   Bu dosyayı düzenlerseniz, HTML dosyalarındaki "style.css?v=" numarasını
   bir artırın; aksi halde tarayıcılar eski hâlini göstermeye devam eder. */

@font-face {
  font-family: "Jost";
  src: url("fonts/jost.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Atkinson";
  src: url("fonts/atkinson.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}

:root {
  --ink: #10232B;
  --ink-soft: #3C5560;
  --paper: #F4F6F5;
  --surface: #FFFFFF;
  --surface-sunk: #E9EFEE;
  --teal-700: #0A5D68;
  --teal-600: #0E6E79;
  --teal-500: #1C8A93;
  --teal-100: #DCEBEA;
  --line: rgba(16, 35, 43, .12);
  --line-strong: rgba(16, 35, 43, .22);

  --baslik: "Jost", "Futura", "Century Gothic", sans-serif;
  --govde: "Atkinson", "Atkinson Hyperlegible", -apple-system, BlinkMacSystemFont, sans-serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #EDF3F2;
    --ink-soft: #A9BEC2;
    --paper: #0B171B;
    --surface: #112229;
    --surface-sunk: #0E1B20;
    --teal-700: #4FBAC2;
    --teal-600: #3EA6AF;
    --teal-500: #2E8D96;
    --teal-100: rgba(78, 186, 194, .16);
    --line: rgba(237, 243, 242, .14);
    --line-strong: rgba(237, 243, 242, .26);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #EDF3F2;
  --ink-soft: #A9BEC2;
  --paper: #0B171B;
  --surface: #112229;
  --surface-sunk: #0E1B20;
  --teal-700: #4FBAC2;
  --teal-600: #3EA6AF;
  --teal-500: #2E8D96;
  --teal-100: rgba(78, 186, 194, .16);
  --line: rgba(237, 243, 242, .14);
  --line-strong: rgba(237, 243, 242, .26);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--govde);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--teal-500);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--teal-700); color: #fff;
  padding: 12px 18px; z-index: 100; text-decoration: none;
}
.skip:focus { left: 0; }

.kutu {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: clamp(20px, 5vw, 64px);
  padding-right: clamp(20px, 5vw, 64px);
}
.kutu.dar { max-width: 820px; }

/* ---------------- üst menü ---------------- */
.ust {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.ust-satir {
  display: flex; align-items: center; justify-content: space-between;
  gap: 22px; min-height: 78px; flex-wrap: wrap;
}
.marka { display: flex; align-items: center; text-decoration: none; flex: none; }
.marka img { height: 44px; width: auto; }
.koyu-tema { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .acik-tema { display: none; }
  :root:not([data-theme="light"]) .koyu-tema { display: block; }
}
:root[data-theme="dark"] .acik-tema { display: none; }
:root[data-theme="dark"] .koyu-tema { display: block; }

.menu { display: flex; gap: 26px; flex-wrap: wrap; }
.menu a {
  text-decoration: none; font-size: 15px; font-weight: 600;
  color: var(--ink-soft); transition: color .15s ease;
}
.menu a:hover, .menu a.aktif { color: var(--teal-600); }
.menu a.aktif { text-decoration: underline; text-underline-offset: 6px; }

.dugme {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 999px;
  background: var(--teal-700); color: #FBFDFC;
  font-family: var(--govde); font-weight: 700; font-size: 15px;
  text-decoration: none; white-space: nowrap;
  transition: background .15s ease;
}
.dugme:hover { background: var(--teal-600); }

/* Randevu butonu: telefon numarası butonun içinde; dokununca arama başlar. */
.dugme-randevu { padding: 10px 12px 10px 22px; gap: 12px; }
.tel-ikon { display: none; width: 17px; height: 17px; flex: none; }
.dugme-tel {
  background: rgba(255, 255, 255, .16);
  border-radius: 999px;
  padding: 5px 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  white-space: nowrap;
}

.tel {
  font-weight: 700; font-size: 16px; text-decoration: none;
  color: var(--ink); font-variant-numeric: tabular-nums;
}
.tel:hover { color: var(--teal-600); }

/* ---------------- giriş ---------------- */
.giris { padding: clamp(48px, 8vw, 96px) 0 clamp(52px, 7vw, 88px); }
.giris-izgara {
  display: grid;
  /* fotoğraf sütunu ekranla birlikte daralır, dar tablette de yanda kalır */
  grid-template-columns: minmax(0, 1fr) clamp(200px, 27vw, 320px);
  gap: 48px; align-items: center;
}
.ustyazi {
  font-weight: 700; font-size: 12.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--teal-600); margin: 0 0 20px;
}
h1 {
  font-family: var(--baslik); font-weight: 500;
  font-size: clamp(36px, 5.6vw, 68px); line-height: 1.07;
  margin: 0; letter-spacing: -.005em; text-wrap: balance;
}
.slogan {
  font-family: var(--baslik); font-weight: 400;
  font-size: clamp(18px, 2.2vw, 24px); color: var(--teal-700);
  margin: 16px 0 0; letter-spacing: .01em;
}
.giris-metin { max-width: 48ch; color: var(--ink-soft); margin: 22px 0 0; }
.giris-butonlar { display: flex; align-items: center; gap: 20px; margin-top: 32px; flex-wrap: wrap; }

.portre { margin: 0; }
.portre img {
  width: 100%; height: auto;
  border-radius: 10px;
  box-shadow: 0 18px 40px -24px rgba(16, 35, 43, .5);
}


/* ---------------- sayılar ---------------- */
.sayilar { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sayilar-satir { display: grid; grid-template-columns: repeat(4, 1fr); }
.sayi { padding: 32px clamp(10px, 2vw, 26px); border-left: 1px solid var(--line); }
.sayi:first-child { border-left: none; }
.sayi .n {
  display: block; font-family: var(--baslik); font-weight: 500;
  font-size: clamp(24px, 2.7vw, 34px); color: var(--teal-700);
  line-height: 1; margin-bottom: 8px; font-variant-numeric: tabular-nums;
  white-space: nowrap;          /* "2008–23" tek satırda kalsın */
}
.sayi .a { font-size: 13px; color: var(--ink-soft); line-height: 1.45; display: block; text-wrap: pretty; }

/* ---------------- bölümler ---------------- */
.bolum { padding: clamp(56px, 8vw, 100px) 0; }
.bolum.ikincil { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.etiket {
  display: block; font-weight: 700; font-size: 12.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--teal-600); margin-bottom: 12px;
}
h2 { font-family: var(--baslik); font-weight: 500; font-size: clamp(26px, 3.4vw, 40px); margin: 0; text-wrap: balance; }
.bolum-bas {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 26px; flex-wrap: wrap; margin-bottom: clamp(30px, 4vw, 48px);
}
.bolum-bas p { max-width: 42ch; color: var(--ink-soft); margin: 0; font-size: 15.5px; }

.kartlar { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.kart {
  display: block; text-decoration: none; padding: 26px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  transition: border-color .15s ease, transform .15s ease;
}
.bolum.ikincil .kart { background: var(--paper); }
.kart:hover { border-color: var(--teal-500); transform: translateY(-2px); }
.kart h3 { font-family: var(--baslik); font-weight: 500; font-size: 20px; margin: 0 0 10px; line-height: 1.25; }
.kart p { font-size: 14.5px; color: var(--ink-soft); margin: 0 0 14px; }
.devam { font-size: 13.5px; font-weight: 700; color: var(--teal-600); }
.tumu { margin: 30px 0 0; }
.tumu a { color: var(--teal-600); font-weight: 700; text-decoration: none; font-size: 15px; }
.tumu a:hover { text-decoration: underline; }

/* ---------------- liste sayfası ---------------- */
.liste { border-top: 1px solid var(--line); }
.liste-satir {
  display: grid; grid-template-columns: 26px minmax(200px, 320px) 1fr;
  gap: 20px; align-items: baseline; padding: 24px 0;
  border-bottom: 1px solid var(--line); text-decoration: none;
  transition: background .15s ease;
}
.liste-satir:hover { background: var(--surface); }
/* logodaki gözbebeği motifinden türetilmiş işaret */
.liste-satir .im {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--teal-700); display: block;
  transform: translateY(-2px);
  box-shadow: 0 0 0 4px var(--teal-100);
  transition: box-shadow .15s ease;
}
.liste-satir:hover .im { box-shadow: 0 0 0 5px var(--teal-100); }
.liste-satir .baslik { font-family: var(--baslik); font-weight: 500; font-size: 19px; }
.liste-satir .ozet { font-size: 14.5px; color: var(--ink-soft); }

/* ---------------- sayfa başlığı ---------------- */
.sayfa-bas { padding: clamp(44px, 6vw, 76px) 0 clamp(24px, 3vw, 36px); }
.sayfa-ozet { max-width: 58ch; color: var(--ink-soft); margin: 18px 0 0; font-size: 17px; }

/* ---------------- yazı ---------------- */
.yazi { padding-bottom: clamp(56px, 8vw, 96px); }
.yazi .kutu.dar:first-child { padding-top: clamp(36px, 5vw, 60px); }
.kirinti { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 16px; }
.kirinti a { color: var(--teal-600); text-decoration: none; font-weight: 600; }
.kirinti a:hover { text-decoration: underline; }
.kirinti span { margin: 0 6px; opacity: .5; }

.yazi-foto { margin: 30px 0 34px; }
.yazi-foto img {
  border-radius: 8px; width: 100%;
  max-height: 420px; object-fit: contain;
  background: #000;
}
.yazi-foto figcaption { font-size: 13px; color: var(--ink-soft); margin-top: 10px; }

.yazi-govde { margin-top: 30px; font-size: 17.5px; }
.yazi-govde p { margin: 0 0 1.15em; max-width: 68ch; }
.yazi-govde h2 {
  font-size: clamp(22px, 2.6vw, 28px); margin: 2em 0 .7em;
  padding-top: .8em; border-top: 1px solid var(--line);
}
.yazi-govde h3 { font-family: var(--baslik); font-weight: 500; font-size: 20px; margin: 1.6em 0 .5em; }
.yazi-govde strong { font-weight: 700; color: var(--ink); }
.yazi-govde ul, .yazi-govde ol { max-width: 68ch; padding-left: 1.3em; margin: 0 0 1.15em; }
.yazi-govde li { margin-bottom: .5em; }
.yazi-govde a { color: var(--teal-600); }
.yazi-govde table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: 15.5px; }
.yazi-govde td, .yazi-govde th { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }

.yayin-listesi { font-size: 15.5px; }
.yayin-listesi p { max-width: 76ch; margin: 0 0 .85em; color: var(--ink-soft); }
.yayin-listesi .y-not { font-size: 14.5px; margin-bottom: 1.4em; }

.dersler { margin: 0 0 2.6em; max-width: 76ch; }
.dersler ol { padding-left: 1.4em; margin: 0; }
.dersler li { margin-bottom: .45em; color: var(--ink-soft); }

.yayin-satirlari { list-style: none; padding: 0; margin: 0 0 2.6em; max-width: 76ch; }
.yayin-satirlari li {
  display: grid; grid-template-columns: 62px 1fr; gap: 16px;
  padding: 15px 0; border-top: 1px solid var(--line);
}
.yayin-satirlari li:last-child { border-bottom: 1px solid var(--line); }
.yayin-satirlari .y-yil {
  font-family: var(--baslik); font-weight: 500; font-size: 17px;
  color: var(--teal-600); font-variant-numeric: tabular-nums;
}
.yayin-satirlari .y-kunye { color: var(--ink-soft); line-height: 1.55; }
.yayin-satirlari .y-kunye strong { color: var(--ink); font-weight: 700; }
.yayin-satirlari a { color: var(--teal-600); word-break: break-word; }
@media (max-width: 620px) {
  .yayin-satirlari li { grid-template-columns: 1fr; gap: 3px; }
  .yayin-satirlari .y-yil { font-size: 15px; }
}

.yazi-alt { margin-top: 52px; }
.yazi-gezinme {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.yazi-gezinme a { text-decoration: none; font-size: 14.5px; font-weight: 600; color: var(--teal-600); max-width: 46%; }
.yazi-gezinme a:hover { text-decoration: underline; }
.yazi-gezinme .sonraki { margin-left: auto; text-align: right; }

.randevu-kutu {
  margin-top: 34px; padding: 30px; border-radius: 10px;
  background: var(--teal-100); border: 1px solid var(--line);
}
.randevu-kutu h2 { font-size: 22px; margin: 0 0 8px; border: none; padding: 0; }
.randevu-kutu p { margin: 0 0 18px; color: var(--ink-soft); font-size: 15.5px; }

/* Hakkımda sayfası: portre yanda, özgeçmiş metni sarmalanmadan yanında */
.hakkimda-ust {
  display: grid; grid-template-columns: clamp(200px, 27vw, 300px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px); align-items: start;
}
.hakkimda-ust .yazi-govde p { max-width: 66ch; }
.portre-yan { margin: 0; position: sticky; top: 100px; }
.portre-yan img {
  width: 100%; border-radius: 10px;
  box-shadow: 0 18px 40px -26px rgba(16, 35, 43, .55);
}
.hakkimda-giris { margin-top: 0; }
.hakkimda-giris p:first-child { margin-top: 0; }

/* İletişim sayfası görseli */
.iletisim-foto { margin-top: clamp(28px, 4vw, 44px); }
.iletisim-foto figure { margin: 0; }
.iletisim-foto img { width: 100%; border-radius: 10px; }

/* ---------------- hakkımda / foto ---------------- */
.hakkinda-izgara { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.hakkinda-izgara p { color: var(--ink-soft); max-width: 52ch; }
.foto { margin: 0; }
.foto img { border-radius: 10px; }
.foto figcaption { font-size: 13px; color: var(--ink-soft); margin-top: 10px; }

/* ---------------- iletişim ---------------- */
.iletisim-izgara { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.iletisim-kart { padding: 30px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.iletisim-kart h2 { font-size: 19px; margin: 0 0 14px; }
.iletisim-kart p { color: var(--ink-soft); font-size: 15.5px; margin: 0; }
.buyuk-tel {
  display: block; font-family: var(--baslik); font-weight: 500;
  font-size: clamp(30px, 4vw, 42px); color: var(--teal-700);
  text-decoration: none; margin-bottom: 12px; font-variant-numeric: tabular-nums;
}
.adres { line-height: 1.6; }
.harita { color: var(--teal-600); font-weight: 700; text-decoration: none; font-size: 15px; }
.harita:hover { text-decoration: underline; }

/* ---------------- kapanış ---------------- */
.kapanis { background: var(--ink); color: var(--paper); padding: clamp(52px, 7vw, 84px) 0; }
.kapanis-icerik { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 36px; align-items: center; }
.kapanis h2 { color: var(--paper); margin-bottom: 12px; }
.kapanis p { color: color-mix(in srgb, var(--paper) 74%, transparent); margin: 0; max-width: 46ch; }
.kapanis .dugme { background: var(--teal-500); color: #06181B; }
.kapanis .dugme:hover { background: color-mix(in srgb, var(--teal-500) 85%, white); }
.kapanis .dugme-tel { background: rgba(6, 24, 27, .16); }
.kapanis .tel { color: var(--paper); }
.kapanis-eylem { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }

/* ---------------- alt bilgi ---------------- */
.alt { padding: clamp(40px, 5vw, 60px) 0 30px; border-top: 1px solid var(--line); }
.alt-satir { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 34px; align-items: start; }
.alt-satir img { height: 40px; width: auto; }
.alt-adres { font-size: 14px; color: var(--ink-soft); max-width: 42ch; margin: 16px 0 0; }
.alt-baglantilar { display: flex; flex-direction: column; gap: 10px; }
.alt-baglantilar a { font-size: 14.5px; color: var(--ink-soft); text-decoration: none; }
.alt-baglantilar a:hover { color: var(--teal-600); }
.alt-tel { font-weight: 700; color: var(--ink) !important; font-variant-numeric: tabular-nums; }
.telif { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); }
.telif p { font-size: 13px; color: var(--ink-soft); margin: 0 0 6px; }
.telif .uyari { opacity: .8; }

/* ---------------- mobil ---------------- */
/* Tablet (ör. dik iPad): sütunlar korunur, sadece daralır — yan taraf boş kalmasın. */
@media (max-width: 900px) {
  .sayilar-satir { grid-template-columns: repeat(2, 1fr); }
  .sayi { padding: 24px clamp(10px, 3vw, 26px); }
  .sayi:nth-child(odd) { border-left: none; }
  .sayi:nth-child(n+3) { border-top: 1px solid var(--line); }
  .sayi:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .liste-satir { grid-template-columns: 26px 1fr; }
  .liste-satir .ozet { grid-column: 2; }
  .kapanis-icerik { grid-template-columns: 1fr; }
  .alt-satir { grid-template-columns: 1fr; }
  .giris-izgara { gap: clamp(24px, 4vw, 48px); }
  .hakkinda-izgara { gap: clamp(24px, 4vw, 48px); }
  .portre-yan { position: static; }
}

/* Telefon: tek sütuna geç. */
@media (max-width: 620px) {
  .giris-izgara { grid-template-columns: 1fr; gap: 30px; }
  .portre { max-width: 300px; }
  .hakkinda-izgara { grid-template-columns: 1fr; }
  .hakkimda-ust { grid-template-columns: 1fr; }
  .portre-yan { max-width: 260px; }
}
@media (max-width: 620px) {
  /* Logo solda, telefon butonu sağda; menü altta tam satır. */
  .ust-satir { min-height: 0; padding-top: 12px; padding-bottom: 12px; gap: 10px 14px; }
  .marka { flex: 1 1 auto; min-width: 0; }
  .marka img { height: 38px; }
  .menu { order: 3; width: 100%; gap: 18px; }

  /* Dar ekranda buton kompakt: yalnızca telefon simgesi + numara. */
  .ust-satir .dugme-randevu {
    /* 44px'lik rahat dokunma hedefi */
    flex: none; padding: 11px 16px 11px 14px; gap: 8px; font-size: 14px;
  }
  .ust-satir .tel-ikon { display: block; }
  .ust-satir .dugme-etiket { display: none; }
  .ust-satir .dugme-tel { background: none; padding: 0; font-size: 14.5px; }

  .yazi-gezinme a { max-width: 100%; }
  .yazi-gezinme .sonraki { margin-left: 0; text-align: left; }
}