/* csahin.com.tr — koyu, sade tema. Solda ince dikey menü, geniş boşluk, büyük ince başlıklar. */

:root {
  color-scheme: dark;
  --zemin: #0b0f17;
  --zemin-2: #111725;
  --zemin-3: #182033;
  --cizgi: #222b3c;
  --cizgi-guclu: #3a4659;
  --yazi: #e8ebf0;
  --yazi-2: #bcc3cf;
  --soluk: #8e98a9;
  --vurgu: #d2b47c;
  --baglanti-cizgi: #6a7790;
  --yazi-tipi: "Jost", "Futura", "Century Gothic", "Avenir Next", system-ui, sans-serif;
  --yan: 96px;
}

/* ---------- Temel ---------- */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  background: var(--zemin);
  color: var(--yazi);
  font-family: var(--yazi-tipi);
  font-weight: 380;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--vurgu); color: var(--zemin); }

a { color: inherit; text-decoration: none; }
p a, dd a, .surumler a, .baglanti-cizgili {
  text-decoration: underline;
  text-decoration-color: var(--baglanti-cizgi);
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}
p a:hover, dd a:hover, .surumler a:hover, .baglanti-cizgili:hover { color: var(--vurgu); text-decoration-color: var(--vurgu); }
:focus-visible { outline: 2px solid var(--vurgu); outline-offset: 4px; }

p, ul, ol, dl, figure, h1, h2, h3, h4 { margin: 0; }
h1, h2, h3, h4 { font-weight: 300; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; }

.gorunmez {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.etiket {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--vurgu);
}

.ok { width: 18px; height: 12px; flex: none; }
.ok path { fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }

.atla {
  position: absolute;
  left: calc(var(--yan) + 16px);
  top: -100px;
  z-index: 20;
  background: var(--zemin-2);
  border: 1px solid var(--cizgi-guclu);
  padding: 10px 16px;
}
.atla:focus { top: 16px; }

/* ---------- Yan menü ---------- */

.yan {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--yan);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 36px 0 32px;
  border-right: 1px solid var(--cizgi);
  background: var(--zemin);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.imza {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1;
}
.imza span { color: var(--vurgu); }

.dikey-menu ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 34px;
}
.dikey-menu a {
  display: block;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--soluk);
  padding: 6px 13px;
}
.dikey-menu a:hover, .dikey-menu a[aria-current="true"], .dikey-menu a[aria-current="page"] { color: var(--yazi); }
.dikey-menu a[aria-current="true"], .dikey-menu a[aria-current="page"] { box-shadow: inset -2px 0 0 var(--vurgu); }

.yan-sosyal { list-style: none; padding: 0; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.yan-sosyal a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--soluk);
  padding: 6px 8px;
  min-width: 44px;
  text-align: center;
}
.yan-sosyal a:hover { color: var(--vurgu); }

.ana { margin-left: var(--yan); }

/* ---------- Açılış ---------- */

.acilis {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 44%);
}
.acilis-metin {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 96px 7vw 96px 8vw;
}
.acilis h1 {
  font-size: clamp(64px, 9vw, 132px);
  line-height: .95;
  letter-spacing: -.035em;
  font-weight: 300;
  margin: 28px 0 36px;
}
.acilis .giris {
  font-size: clamp(19px, 1.6vw, 23px);
  line-height: 1.55;
  color: var(--yazi-2);
  max-width: 30ch;
  font-weight: 350;
}
.sosyal-satir {
  list-style: none;
  padding: 0;
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 0 34px;
  font-size: 15px;
}
.sosyal-satir li { display: flex; align-items: center; gap: .45em; }
.sosyal-satir .ad { color: var(--soluk); }
.sosyal-satir a { display: inline-flex; align-items: center; min-height: 44px; color: var(--yazi); text-decoration: underline; text-decoration-color: var(--baglanti-cizgi); text-underline-offset: .22em; }
.sosyal-satir a:hover { color: var(--vurgu); text-decoration-color: var(--vurgu); }

.acilis-foto { position: relative; margin: 0; overflow: hidden; background: var(--zemin-2); }
.acilis-foto img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 10% 50%;
  filter: brightness(.82) saturate(.88);
}
.acilis-foto::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11, 15, 23, .6) 0%, rgba(11, 15, 23, 0) 18%);
  pointer-events: none;
}
.foto-notu {
  position: absolute;
  right: 20px;
  bottom: 16px;
  z-index: 1;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--yazi-2);
}

.asagi {
  margin-top: 64px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--soluk);
  align-self: flex-start;
  min-height: 44px;
}
.asagi:hover { color: var(--vurgu); }
.asagi .ok { transform: rotate(90deg); }

/* ---------- Bölümler ---------- */

.bolum {
  padding: 128px 8vw;
  border-top: 1px solid var(--cizgi);
  scroll-margin-top: 0;
}
.bolum-bas { margin-bottom: 64px; }
.bolum-bas h2 {
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -.025em;
  margin-top: 18px;
}
.bolum-bas h2 + p { margin-top: 20px; color: var(--yazi-2); font-size: 19px; max-width: 46ch; }

/* Hakkımda */
.hakkimda-duzen { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 72px; align-items: start; }
.hakkimda-metin p { font-size: 20px; line-height: 1.6; color: var(--yazi-2); max-width: 40ch; }
.hakkimda-metin p:first-child { color: var(--yazi); font-size: 24px; }
.hakkimda-metin p + p { margin-top: 22px; }
.kunye-liste { margin-top: 48px; display: grid; grid-template-columns: max-content 1fr; gap: 12px 32px; font-size: 16px; }
.kunye-liste dt { font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--soluk); padding-top: 4px; }
.kunye-liste dd { margin: 0; }
.hakkimda-foto { margin: 0; }
.hakkimda-foto img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: brightness(.9) saturate(.9); }
.hakkimda-foto figcaption, .ekran figcaption, .kroki figcaption { margin-top: 12px; font-size: 14px; color: var(--soluk); }

/* Uygulamalar */
.uygulama-listesi { list-style: none; padding: 0; border-top: 1px solid var(--cizgi); }
.uygulama-listesi li { border-bottom: 1px solid var(--cizgi); }
.uygulama-satir {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: baseline;
  padding: 36px 8px;
  transition: background-color 200ms ease;
}
.uygulama-satir .sira { font-size: 14px; font-weight: 600; letter-spacing: .12em; color: var(--vurgu); }
.uygulama-satir .ad { font-size: clamp(26px, 2.6vw, 38px); font-weight: 350; letter-spacing: -.015em; line-height: 1.15; }
.uygulama-satir .tek { display: block; margin-top: 8px; font-size: 16px; color: var(--soluk); max-width: 60ch; }
.uygulama-satir .meta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  font-weight: 450;
  letter-spacing: .04em;
  color: var(--soluk);
  white-space: nowrap;
}
.uygulama-satir:hover { background: var(--zemin-2); }
.uygulama-satir:hover .ad, .uygulama-satir:hover .meta { color: var(--vurgu); }
@media (prefers-reduced-motion: no-preference) {
  .uygulama-satir .ok { transition: transform 200ms ease; }
  .uygulama-satir:hover .ok { transform: translateX(6px); }
}

/* Lina */
.galeri { columns: 3 280px; column-gap: 16px; }
.galeri a { display: block; margin-bottom: 16px; break-inside: avoid; background: var(--zemin-2); }
.galeri img { width: 100%; filter: saturate(.92); }
@media (prefers-reduced-motion: no-preference) {
  .galeri img { transition: filter 250ms ease, opacity 250ms ease; }
}
.galeri a:hover img { filter: saturate(1.05); opacity: .9; }
.galeri-alt { margin-top: 32px; font-size: 15px; color: var(--soluk); }

/* İletişim */
.iletisim-liste { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 64px; }
.iletisim-liste li { border-top: 1px solid var(--cizgi); padding: 28px 0; }
.iletisim-liste .ad { display: block; font-size: 12px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--soluk); }
.iletisim-liste a { display: inline-flex; align-items: center; gap: 14px; margin-top: 8px; font-size: clamp(24px, 2.4vw, 34px); font-weight: 350; letter-spacing: -.01em; overflow-wrap: anywhere; }
.iletisim-liste a:hover { color: var(--vurgu); }

/* Alt bilgi */
.alt-bilgi {
  border-top: 1px solid var(--cizgi);
  padding: 40px 8vw 56px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 40px;
  justify-content: space-between;
  font-size: 13px;
  color: var(--soluk);
}
.alt-bilgi p { max-width: 70ch; }

/* ---------- Uygulama sayfası ---------- */

.uygulama-bas { padding: 120px 8vw 72px; }
.kirinti { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 14px; color: var(--soluk); margin-bottom: 48px; }
.kirinti a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; }
.kirinti a:hover { color: var(--vurgu); }
.kirinti .ok { transform: rotate(180deg); }
.uygulama-bas h1 {
  font-size: clamp(48px, 7vw, 104px);
  line-height: 1;
  letter-spacing: -.035em;
  margin: 20px 0 28px;
}
.uygulama-bas .tek { font-size: clamp(20px, 1.9vw, 26px); line-height: 1.45; color: var(--yazi-2); max-width: 34ch; font-weight: 350; }

.olgular { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 20px 32px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--cizgi); }
.olgular div { display: grid; gap: 4px; }
.olgular dt { font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--soluk); }
.olgular dd { margin: 0; font-size: 16px; }

.eylemler { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }
.dugme {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-height: 52px;
  padding: 10px 22px;
  border: 1px solid var(--cizgi-guclu);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  line-height: 1.3;
}
.dugme small { font-size: 12px; font-weight: 400; color: var(--soluk); letter-spacing: .04em; }
.dugme.birincil { border-color: var(--vurgu); color: var(--vurgu); }
.dugme:hover { background: var(--zemin-2); border-color: var(--vurgu); color: var(--vurgu); }

.icerik { padding: 0 8vw 96px; display: grid; gap: 96px; }
.iki-sutun { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 72px; align-items: start; }
.icerik h2 { font-size: 12px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--vurgu); margin-bottom: 28px; }
.ozet p { font-size: 19px; line-height: 1.65; color: var(--yazi-2); max-width: 56ch; }
.ozet p + p { margin-top: 18px; }

.adimlar { list-style: none; padding: 0; counter-reset: adim; display: grid; gap: 22px; margin-top: 48px; }
.adimlar li { display: grid; grid-template-columns: 48px 1fr; gap: 12px; max-width: 56ch; }
.adimlar li::before {
  counter-increment: adim;
  content: "0" counter(adim);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--vurgu);
  padding-top: 3px;
}

.ozellikler { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 56px; }
.ozellikler li { padding: 22px 0; border-top: 1px solid var(--cizgi); color: var(--yazi-2); line-height: 1.6; }

.notlar { list-style: none; padding: 0; display: grid; gap: 14px; max-width: 70ch; }
.notlar li { padding-left: 22px; position: relative; color: var(--soluk); }
.notlar li::before { content: ""; position: absolute; left: 0; top: .78em; width: 10px; height: 1px; background: var(--vurgu); }

/* Kroki (çizim): koyu zeminde ince açık çizgiler */
.kroki { margin: 0; padding: 32px; background: var(--zemin-2); border: 1px solid var(--cizgi); }
.kroki svg { width: 100%; max-width: 520px; height: auto; margin: 0 auto; color: var(--yazi-2); overflow: visible; }
.k-cizgi, .k-vurgu { fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.k-kagit { fill: var(--zemin-3); }
.k-kesik { stroke-dasharray: 4 4; }
.k-tarama { stroke: var(--cizgi-guclu); stroke-width: 1; }
.k-vurgu { stroke: var(--vurgu); stroke-width: 4; vector-effect: none; }
.k-etiket { fill: currentColor; font-family: var(--yazi-tipi); font-size: 22px; font-weight: 400; }
.k-kucuk { font-size: 19px; }
.k-rozet-nokta { fill: currentColor; }
.k-imler circle { fill: var(--zemin-2); stroke: var(--vurgu); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.k-imler text { fill: var(--vurgu); font-family: var(--yazi-tipi); font-weight: 600; font-size: 18px; text-anchor: middle; }
.ek:has(.adimlar li[data-adim="1"]:hover) .k-imler [data-adim="1"] circle,
.ek:has(.adimlar li[data-adim="2"]:hover) .k-imler [data-adim="2"] circle,
.ek:has(.adimlar li[data-adim="3"]:hover) .k-imler [data-adim="3"] circle { stroke-width: 3.5; }

.ekran { margin: 0; }
.ekran img { width: auto; max-width: min(100%, 1264px); border: 1px solid var(--cizgi); }
.ekran a:hover img { border-color: var(--vurgu); }

.bilgi-sutunlari { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 72px; }
.surumler { list-style: none; padding: 0; }
.surumler li { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 2px 0; border-top: 1px solid var(--cizgi); font-size: 15px; }
.surumler a { flex: 1; padding: 10px 0; }
.surumler li span { color: var(--soluk); }
.surum-notu, .denetim-notu { font-size: 15px; color: var(--soluk); line-height: 1.6; max-width: 52ch; }
.denetim dl { display: grid; grid-template-columns: max-content 1fr; gap: 10px 28px; font-size: 15px; }
.denetim dt { color: var(--soluk); }
.denetim dd { margin: 0; }
.denetim .gecti { color: var(--vurgu); font-weight: 500; }
.denetim-notu { margin-top: 18px; }
details { margin-top: 14px; }
summary { cursor: pointer; font-size: 14px; color: var(--soluk); padding: 10px 0; }
summary:hover { color: var(--vurgu); }

.gezinti { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--cizgi); }
.gezinti a { display: grid; gap: 6px; align-content: start; padding: 40px 8vw; }
.gezinti a + a { border-left: 1px solid var(--cizgi); text-align: right; justify-items: end; }
.gezinti .etiket { color: var(--soluk); }
.gezinti .ad { font-size: clamp(22px, 2.2vw, 30px); font-weight: 350; line-height: 1.25; }
.gezinti a:hover .ad { color: var(--vurgu); }

/* 404 */
.yok { min-height: 80vh; display: flex; flex-direction: column; justify-content: center; padding: 96px 8vw; }
.yok h1 { font-size: clamp(56px, 8vw, 120px); line-height: 1; letter-spacing: -.035em; margin: 24px 0 32px; }

@media (max-height: 620px) and (min-width: 761px) {
  .yan { padding: 18px 0; }
  .dikey-menu ul { gap: 10px; }
  .yan-sosyal { gap: 0; }
}

/* ---------- Ara boy ---------- */

@media (max-width: 1100px) {
  .acilis { grid-template-columns: minmax(0, 1fr) minmax(0, 40%); }
  .hakkimda-duzen, .iki-sutun { grid-template-columns: minmax(0, 1fr); gap: 56px; }
  .hakkimda-foto { max-width: 640px; }
}

/* ---------- Telefon: yan menü üst şerit olur ---------- */

@media (max-width: 760px) {
  :root { --yan: 0px; }
  body { font-size: 16px; }
  html { scroll-padding-top: 80px; }
  .yan {
    position: sticky;
    inset: 0 auto auto 0;
    width: auto;
    height: auto;
    flex-direction: row;
    padding: 14px 16px;
    border-right: none;
    border-bottom: 1px solid var(--cizgi);
    background: var(--zemin);
    gap: 8px;
    overflow: visible;
  }
  .imza { font-size: 22px; justify-content: flex-start; }
  .dikey-menu ul { flex-direction: row; gap: 0; flex-wrap: nowrap; justify-content: flex-end; }
  .dikey-menu a { writing-mode: horizontal-tb; transform: none; font-size: 11px; letter-spacing: .06em; padding: 0 6px; min-height: 44px; display: flex; align-items: center; }
  .dikey-menu a[aria-current="true"], .dikey-menu a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--vurgu); }
  .yan-sosyal { display: none; }
  .atla { left: 16px; }
  .dikey-menu a[aria-current="true"] { box-shadow: inset 0 -2px 0 var(--vurgu); }

  .acilis { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .acilis-foto { order: -1; height: 46vh; min-height: 280px; }
  .acilis-foto::after { background: linear-gradient(0deg, var(--zemin) 0%, rgba(11, 15, 23, 0) 45%); }
  .acilis-metin { padding: 8px 16px 72px; }
  .acilis h1 { font-size: 64px; margin: 18px 0 24px; }
  .sosyal-satir { gap: 8px 24px; margin-top: 32px; }
  .asagi { display: none; }

  .bolum { padding: 80px 16px; }
  .bolum-bas { margin-bottom: 40px; }
  .hakkimda-metin p:first-child { font-size: 21px; }
  .hakkimda-metin p { font-size: 18px; }
  .kunye-liste { grid-template-columns: 1fr; gap: 2px 0; }
  .kunye-liste dd { margin-bottom: 12px; }
  .uygulama-satir { grid-template-columns: 44px minmax(0, 1fr); padding: 28px 4px; gap: 12px; }
  .uygulama-satir .meta { grid-column: 2; white-space: normal; }
  .galeri { columns: 2 140px; column-gap: 10px; }
  .galeri a { margin-bottom: 10px; }
  .iletisim-liste { grid-template-columns: minmax(0, 1fr); }
  .alt-bilgi { padding: 32px 16px 48px; }

  .uygulama-bas { padding: 48px 16px 56px; }
  .kirinti { margin-bottom: 32px; }
  .icerik { padding: 0 16px 72px; gap: 72px; }
  .ozellikler, .bilgi-sutunlari { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .bilgi-sutunlari { gap: 56px; }
  .kroki { padding: 16px; }
  .eylemler { flex-direction: column; }
  .dugme { width: 100%; }
  .gezinti { grid-template-columns: minmax(0, 1fr); }
  .gezinti a { padding: 28px 16px; }
  .gezinti a + a { border-left: none; border-top: 1px solid var(--cizgi); }
  .yok { padding: 64px 16px; }
}

@media (max-width: 359px) {
  .dikey-menu ul { flex-wrap: wrap; }
}

@media (forced-colors: active) {
  .dikey-menu a[aria-current] { outline: 2px solid Highlight; outline-offset: -2px; }
  .kroki svg { color: CanvasText; }
  .k-cizgi, .k-vurgu, .k-tarama, .k-imler circle { stroke: CanvasText; }
  .k-kagit, .k-imler circle { fill: Canvas; }
  .k-etiket, .k-rozet-nokta, .k-imler text { fill: CanvasText; }
  .dugme { border-color: ButtonText; }
}

@media print {
  :root { --zemin: #fff; --zemin-2: #fff; --zemin-3: #fff; --yazi: #000; --yazi-2: #222; --soluk: #444; --cizgi: #bbb; --cizgi-guclu: #888; --vurgu: #6b4e16; }
  .yan, .atla, .asagi, .acilis-foto, .galeri { display: none; }
  .ana { margin: 0; }
  .acilis { min-height: 0; grid-template-columns: 1fr; }
  .bolum, .uygulama-bas, .icerik { padding-left: 0; padding-right: 0; }
}