/* Kayhan Bilişim: gece dünyası. Saf siyah zemin, kehribar ışık, Onest. */

:root {
  --zemin: #000;
  --yuzey: #0c0d10;
  --yuzey-2: #16181d;
  --cizgi: rgba(255, 255, 255, .12);
  --cizgi-guclu: rgba(255, 255, 255, .22);
  --metin: #f5f5f7;
  --ikincil: #a1a1a6;
  --soluk: #8b8b91;
  --kehribar: #ffb340;
  --kehribar-acik: #ffc977;
  --lens: #8fb8ff;
  --hata: #ff8a7a;
  --basari: #7fe0a8;

  --yazi: "Onest", ui-sans-serif, system-ui, sans-serif;
  --kap: 1200px;
  --kenar: clamp(20px, 5vw, 48px);
  --yaricap: 18px;
  --gecis: cubic-bezier(.16, 1, .3, 1);

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; scrollbar-color: #3a3c42 var(--zemin); }
body {
  margin: 0;
  background: var(--zemin);
  color: var(--metin);
  font: 400 17px/1.6 var(--yazi);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-underline-offset: .22em; text-decoration-thickness: 1px; }
::selection { background: var(--kehribar); color: #000; }
:focus-visible { outline: 2px solid var(--kehribar); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3, .h3 { margin: 0; font-weight: 600; letter-spacing: -.025em; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 6.4vw, 5.6rem); line-height: 1.02; letter-spacing: -.04em; }
h2 { font-size: clamp(1.9rem, 4vw, 3.2rem); line-height: 1.08; letter-spacing: -.035em; }
h3, .h3 { font-size: 1.3rem; line-height: 1.25; }
p { margin: 0; }

.kap { width: min(100% - 2 * var(--kenar), var(--kap)); margin-inline: auto; }
.dar { width: min(100% - 2 * var(--kenar), 760px); }

.atla { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--kehribar); color: #000; padding: 10px 16px; border-radius: 10px; }
.atla:focus { left: 8px; }

/* Düğmeler */
.dugme {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 48px; padding: 0 24px; border-radius: 999px;
  background: var(--kehribar); color: #000; font: 600 1rem/1 var(--yazi);
  text-decoration: none; border: 0; cursor: pointer;
  transition: background .3s var(--gecis), transform .3s var(--gecis);
}
.dugme:hover { background: var(--kehribar-acik); }
.dugme:active { transform: scale(.97); }
.dugme-cizgi { background: transparent; color: var(--metin); box-shadow: inset 0 0 0 1px var(--cizgi-guclu); }
.dugme-cizgi:hover { background: rgba(255, 255, 255, .08); }
.dugme-kucuk { min-height: 36px; padding: 0 16px; font-size: .9rem; }
.baglanti { color: var(--kehribar); font-weight: 500; text-decoration: none; }
.baglanti:hover { text-decoration: underline; }

/* Üst menü: içerik arkasında kalırken okunur kalsın diye koyu ve bulanık */
.ust {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 0, 0, .72);
  backdrop-filter: saturate(1.6) blur(18px); -webkit-backdrop-filter: saturate(1.6) blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.ust-satir { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.marka { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--metin); }
.marka-isaret { flex: none; }
.marka-yazi { font-size: 1.08rem; letter-spacing: -.02em; color: var(--ikincil); white-space: nowrap; }
.marka-yazi b { color: var(--metin); font-weight: 700; }
.menu { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 30px); font-size: .92rem; }
.menu a:not(.dugme) { color: var(--ikincil); text-decoration: none; transition: color .2s; }
.menu a:not(.dugme):hover, .menu a.aktif { color: var(--metin); }
@media (max-width: 760px) { .menu-genis { display: none; } }
@media (max-width: 520px) { .menu a:not(.dugme) { display: none; } }

/* Sayfa yolu */
.yol { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 22px; font-size: .85rem; color: var(--soluk); }
.yol a { color: var(--ikincil); text-decoration: none; }
.yol a:hover { color: var(--metin); }

/* Bölümler */
.bolum { padding-block: clamp(80px, 12vw, 150px); }
.bolum-yuzey { background: var(--yuzey); }
.ust-bosluk-yok { padding-top: 0; }
.bolum-baslik { max-width: 18ch; margin-bottom: clamp(32px, 5vw, 56px); }
.bolum-baslik + .bolum-alt { margin-top: calc(-1 * clamp(16px, 3vw, 32px)); margin-bottom: 48px; }
.bolum-alt { color: var(--ikincil); font-size: 1.12rem; max-width: 56ch; }
.iki-sutun { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); }
.iki-sutun.ortala { align-items: center; }
.iki-sutun > .bolum-baslik { margin-bottom: 0; }
@media (max-width: 860px) { .iki-sutun { grid-template-columns: 1fr; } }

.metin { max-width: 68ch; }
.metin p { color: var(--ikincil); font-size: 1.08rem; }
.metin p + p { margin-top: 1em; }
.metin h2 { margin-bottom: 24px; }
.metin h3 { margin: 2.2em 0 .6em; color: var(--metin); }
.metin .h3 { margin: 2.2em 0 .8em; }

/* ---------- Sahneler (ana sayfa) ----------
   Varsayılan: düz akış (JS'siz tarayıcı, arama motoru, azaltılmış hareket).
   html.hareketli: sahne sabitlenir, 3B ve anlatımlar kaydırmaya bağlanır. */
.sahne { position: relative; }
.sabit { position: relative; padding-block: clamp(72px, 10vw, 120px) 40px; }
.tuval { width: 100%; height: 56vh; }
.isik { display: none; }
.giris { display: flex; flex-direction: column; align-items: center; text-align: center; padding-inline: var(--kenar); margin-bottom: 24px; }
.giris h1 { max-width: 15ch; }
.giris-alt { margin-top: 22px; max-width: 46ch; color: var(--ikincil); font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.5; }
.giris-eylem { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 32px; }
.anlatim { width: min(100% - 2 * var(--kenar), 720px); margin: 0 auto 56px; }
.anlatim h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); }
.anlatim p { margin-top: 14px; color: var(--ikincil); font-size: 1.1rem; }
.anlatim .baglanti { display: inline-block; margin-top: 16px; }

.hareketli .sahne-kamera { height: 520vh; }
.hareketli .sahne-fiber { height: 320vh; }
.hareketli .sabit { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; padding: 0; isolation: isolate; }
.hareketli .tuval { position: absolute; inset: 0; height: 100%; z-index: 0; }
.hareketli .isik {
  display: block; position: absolute; inset: auto 0 0; height: 60%; pointer-events: none;
  background: radial-gradient(60% 70% at 50% 100%, rgba(255, 179, 64, .10), transparent 70%);
}
.hareketli .giris {
  position: absolute; inset: 0; z-index: 2; margin: 0;
  justify-content: flex-start; padding-top: clamp(84px, 14vh, 150px);
}
.hareketli .anlatim {
  position: absolute; z-index: 2; top: 50%; translate: 0 -50%; margin: 0;
  width: min(380px, 100% - 2 * var(--kenar));
  opacity: 0; pointer-events: none;
}
.hareketli .anlatim.sol { left: max(var(--kenar), calc(50% - 600px)); }
.hareketli .anlatim.sag { right: max(var(--kenar), calc(50% - 600px)); }
.hareketli .anlatim.genis { width: min(460px, 100% - 2 * var(--kenar)); }
.hareketli .anlatim.orta { left: 50%; translate: -50% 0; top: auto; bottom: 12vh; text-align: center; width: min(560px, 100% - 2 * var(--kenar)); }
.hareketli .anlatim.gorunur { pointer-events: auto; }
@media (max-width: 760px) {
  .hareketli .anlatim, .hareketli .anlatim.sol, .hareketli .anlatim.sag, .hareketli .anlatim.orta, .hareketli .anlatim.genis {
    left: var(--kenar); right: var(--kenar); width: auto;
    top: auto; bottom: 9vh; translate: none; text-align: center;
  }
  .anlatim p { font-size: 1rem; }
}

/* Kelime kelime aydınlanan cümle */
.beyan { padding-block: clamp(90px, 18vh, 200px); }
.beyan-metin { font-size: clamp(2rem, 5vw, 4.2rem); line-height: 1.12; font-weight: 600; letter-spacing: -.035em; max-width: 22ch; text-wrap: balance; }
.hareketli .beyan-metin .k { color: #3b3c40; transition: color .5s var(--gecis); }
.hareketli .beyan-metin .k.yandi { color: var(--metin); }

/* ---------- Hizmet dizini ---------- */
.dizin { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.dizin-liste { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--cizgi); }
.dizin-liste li { border-bottom: 1px solid var(--cizgi); }
.dizin-liste a { display: grid; gap: 6px; padding: 22px 0; text-decoration: none; transition: padding .4s var(--gecis); }
.dizin-ad { font-size: clamp(1.25rem, 2.2vw, 1.75rem); font-weight: 600; letter-spacing: -.025em; transition: color .3s; }
.dizin-ozet { color: var(--soluk); font-size: .98rem; max-width: 60ch; transition: color .3s; }
.dizin-liste a:hover, .dizin-liste li.secili a { padding-left: 14px; }
.dizin-liste a:hover .dizin-ad, .dizin-liste li.secili .dizin-ad { color: var(--kehribar); }
.dizin-liste a:hover .dizin-ozet, .dizin-liste li.secili .dizin-ozet { color: var(--ikincil); }
.dizin-onizleme { position: sticky; top: 100px; margin: 0; border-radius: var(--yaricap); overflow: hidden; aspect-ratio: 4 / 5; background: var(--yuzey-2); }
.dizin-onizleme img { width: 100%; height: 100%; object-fit: cover; transition: opacity .35s var(--gecis), scale 1.2s var(--gecis); }
.dizin-onizleme img.degisiyor { opacity: 0; scale: 1.04; }
@media (max-width: 860px) { .dizin { grid-template-columns: 1fr; } .dizin-onizleme { display: none; } }

/* İlkeler */
#neden .iki-sutun { grid-template-columns: .8fr 1.2fr; }
@media (max-width: 860px) { #neden .iki-sutun { grid-template-columns: 1fr; } }
.ilkeler { margin: 0; display: grid; border-top: 1px solid var(--cizgi); }
.ilkeler div { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--cizgi); }
.ilkeler dt { font-weight: 600; }
.ilkeler dd { margin: 0; color: var(--ikincil); }
@media (max-width: 560px) { .ilkeler div { grid-template-columns: 1fr; gap: 4px; } }

/* Süreç: gerçek bir sıra olduğu için numaralı */
.surec { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--cizgi); }
.surec li { padding: 28px 24px 0 0; }
.surec-no { display: block; font-size: 3rem; font-weight: 600; line-height: 1; letter-spacing: -.04em; color: var(--kehribar); font-variant-numeric: tabular-nums; margin-bottom: 18px; }
.surec h3 { margin-bottom: 8px; }
.surec p { color: var(--ikincil); font-size: .98rem; }
@media (max-width: 900px) { .surec { grid-template-columns: 1fr 1fr; row-gap: 40px; } }
@media (max-width: 520px) { .surec { grid-template-columns: 1fr; } }

/* İlçe dizini */
.ilce-dizin { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px clamp(24px, 4vw, 64px); }
.ilce-grup h3 { font-size: .95rem; font-weight: 500; color: var(--soluk); letter-spacing: 0; margin-bottom: 14px; }
.ilce-grup ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 18px; }
.ilce-grup a { font-size: clamp(1.25rem, 2vw, 1.6rem); font-weight: 600; letter-spacing: -.025em; text-decoration: none; transition: color .25s; }
.ilce-grup a:hover { color: var(--kehribar); }
@media (max-width: 860px) { .ilce-dizin { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .ilce-dizin { grid-template-columns: 1fr; } }

/* ---------- İç sayfalar ---------- */
.sayfa-bas { padding-block: clamp(48px, 8vw, 96px) clamp(56px, 8vw, 110px); }
.sayfa-bas h1 { font-size: clamp(2.3rem, 5.2vw, 4.4rem); max-width: 17ch; }
.sayfa-bas .giris-alt { margin: 20px 0 32px; }
.foto { width: 100%; border-radius: var(--yaricap); background: var(--yuzey-2); }
.bas-foto { aspect-ratio: 4 / 3; object-fit: cover; }
.foto-bos { display: grid; place-items: center; aspect-ratio: 4 / 3; color: var(--soluk); }

.kutu { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--yaricap); padding: clamp(24px, 3vw, 36px); align-self: start; }
.bolum-yuzey .kutu { background: var(--yuzey-2); }
.kutu .h3 { margin-bottom: 18px; }
.tik-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.tik-liste li { position: relative; padding-left: 28px; color: var(--ikincil); }
.tik-liste li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 12px; height: 7px; border: solid var(--kehribar); border-width: 0 0 2px 2px; rotate: -45deg; }
.etiketler { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.etiketler li { padding: 7px 14px; border-radius: 999px; background: var(--yuzey-2); color: var(--ikincil); font-size: .92rem; }
.oncelik-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.oncelik-liste a { display: flex; align-items: center; gap: 12px; padding: 12px 0; text-decoration: none; font-weight: 500; border-bottom: 1px solid var(--cizgi); }
.oncelik-liste a:hover { color: var(--kehribar); }
.oncelik-liste .ikon { color: var(--kehribar); flex: none; }
.bulut { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.bulut a { display: inline-block; padding: 8px 14px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--cizgi); color: var(--ikincil); font-size: .92rem; text-decoration: none; transition: color .2s, box-shadow .2s; }
.bulut a:hover { color: var(--metin); box-shadow: inset 0 0 0 1px var(--cizgi-guclu); }
.ilce-mini { display: block; margin-top: 6px; color: var(--soluk); font-size: .92rem; }

.hizmet-izgara { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px 28px; }
.hizmet-izgara a { display: grid; gap: 10px; text-decoration: none; }
.hizmet-izgara .izgara-foto { aspect-ratio: 4 / 3; object-fit: cover; margin-bottom: 8px; transition: scale .8s var(--gecis); }
.hizmet-izgara a:hover .izgara-foto { scale: 1.02; }
.hizmet-izgara a:hover .h3 { color: var(--kehribar); }
.hizmet-izgara p { color: var(--ikincil); font-size: .98rem; }
@media (max-width: 900px) { .hizmet-izgara { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .hizmet-izgara { grid-template-columns: 1fr; } }

/* SSS */
.sss { border-top: 1px solid var(--cizgi); }
.sss details { border-bottom: 1px solid var(--cizgi); }
.sss summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative; font-weight: 600; font-size: 1.1rem; }
.sss summary::-webkit-details-marker { display: none; }
.sss summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px; border: solid var(--ikincil); border-width: 0 2px 2px 0; translate: 0 -70%; rotate: 45deg; transition: rotate .3s var(--gecis); }
.sss details[open] summary::after { rotate: -135deg; translate: 0 -20%; }
.sss details p { color: var(--ikincil); padding: 0 0 24px; max-width: 64ch; }

/* İletişim */
.iletisim { background: var(--yuzey); border-top: 1px solid var(--cizgi); }
.iletisim-liste { list-style: none; margin: 36px 0 0; padding: 0; display: grid; gap: 18px; }
.iletisim-liste li { display: grid; gap: 2px; font-size: 1.1rem; }
.iletisim-liste span { color: var(--soluk); font-size: .88rem; }
.iletisim-liste a { text-decoration: none; }
.iletisim-liste a:hover { color: var(--kehribar); }
.form { display: grid; gap: 18px; align-self: start; }
.form-satir { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form-satir { grid-template-columns: 1fr; } }
.form label { display: grid; gap: 8px; font-size: .9rem; color: var(--ikincil); }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--metin); caret-color: var(--kehribar);
  background: var(--yuzey-2); border: 1px solid var(--cizgi); border-radius: 12px; padding: 14px 16px;
  transition: border-color .2s, background .2s;
}
.form input::placeholder, .form textarea::placeholder { color: var(--soluk); }
.form input:hover, .form select:hover, .form textarea:hover { border-color: var(--cizgi-guclu); }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--kehribar); background: #1b1d23; }
.form textarea { resize: vertical; min-height: 120px; }
.form .dugme { justify-self: start; }
.hp { position: absolute !important; left: -9999px; }
.bildirim { padding: 14px 18px; border-radius: 12px; font-size: .95rem; }
.bildirim.ok { background: rgba(127, 224, 168, .12); color: var(--basari); }
.bildirim.hata { background: rgba(255, 138, 122, .12); color: var(--hata); }

/* Alt bilgi */
.alt { border-top: 1px solid var(--cizgi); padding-block: 72px 32px; font-size: .92rem; }
.alt-izgara { display: grid; grid-template-columns: 1.2fr 1fr 1.4fr; gap: 48px; }
.alt-marka { display: grid; gap: 16px; align-content: start; justify-items: start; }
.alt-marka p { color: var(--soluk); }
.alt-marka a { color: var(--ikincil); text-decoration: none; }
.alt-marka a:hover { color: var(--metin); }
.alt-baslik { font-size: .88rem; font-weight: 500; color: var(--soluk); letter-spacing: 0; margin-bottom: 16px; }
.alt-liste { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.alt-liste.sutunlu { grid-template-columns: repeat(3, 1fr); gap: 8px 16px; }
.alt-liste a { color: var(--ikincil); text-decoration: none; }
.alt-liste a:hover { color: var(--metin); }
.alt-son { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--cizgi); color: var(--soluk); }
.alt-son a { color: var(--soluk); text-decoration: none; }
@media (max-width: 900px) { .alt-izgara { grid-template-columns: 1fr 1fr; } .alt-marka { grid-column: 1 / -1; } }
@media (max-width: 560px) { .alt-izgara { grid-template-columns: 1fr; } .alt-liste.sutunlu { grid-template-columns: 1fr 1fr; } }

/* Mobil arama düğmesi */
.mobil-ara { display: none; }
@media (max-width: 760px) {
  .mobil-ara {
    display: inline-flex; align-items: center; gap: 8px; position: fixed; z-index: 60; right: 16px; bottom: 16px;
    min-height: 52px; padding: 0 20px; border-radius: 999px; background: var(--kehribar); color: #000;
    font-weight: 600; text-decoration: none; box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
  }
  body { padding-bottom: 76px; }
}