/* ============================================================================
   KARŞILAMA + GİRİŞ sayfaları — eduon.css + elomoas.css SONRASI katman.

   İLKE: eduon = tasarım sistemi, elomoas = tema katmanı, bu dosya = yalnız
   anonim yüzeyin (karşılama '/', /Account/Login, Mufredat vitrini) sayfa
   desenleri. Renk ve ölçüler token'lardan gelir (var(--...)); elomoas
   kaldırılırsa bu sayfalar kendiliğinden EDUON diline döner.

   HAREKET İLKELERİ (2026-09-05 yeniden tasarım):
   - Yalnız opacity + transform animasyonu: yerleşim kayması yok, GPU dostu.
   - Sayfa içi kademeli giriş (.k-giris) ve kaydırma-açığa-çıkma (.k-reveal)
     JS'e bağlı DEĞİL: JS yoksa her şey görünür; JS varsa <html class="k-js">
     ile gizlenip kesişince açılır (wwwroot/js/karsilama.js).
   - prefers-reduced-motion: tüm animasyonlar kapanır, içerik anında görünür
     (eduon.css yalnız transition'ı kapatıyor; animation burada kapatılır).
   - Kontrast: koyu zemin üstü metinler ≥ .78 alfa; rozet koyu yeşil (AA).

   Yalnız _LayoutBos'tan yüklenir; kabuklu iç sayfalara (_Layout) dokunmaz.
   Fredoka One elomoas.css'in @import'undan gelir; yoksa sistem fontuna düşer.
   ============================================================================ */

:root {
  --k-ease: cubic-bezier(.22, .61, .36, 1);
  --k-golge-derin: 0 24px 60px rgba(34, 46, 60, .16);
}

/* ---------- ANİMASYON TANIMLARI ---------- */
@keyframes k-yukari  { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes k-suzul   { 0%, 100% { transform: translate3d(0, 0, 0); } 50% { transform: translate3d(0, -12px, 0); } }
@keyframes k-orb-a   { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(44px, -32px) scale(1.08); } }
@keyframes k-orb-b   { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-38px, 26px) scale(1.12); } }
@keyframes k-parilti { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }
@keyframes k-nabiz   { 0%, 100% { box-shadow: 0 0 0 0 rgba(16, 216, 118, .55); } 70% { box-shadow: 0 0 0 9px rgba(16, 216, 118, 0); } }
@keyframes k-cubuk   { from { transform: scaleY(.15); } to { transform: scaleY(1); } }
@keyframes k-sallan  { 0%, 100% { transform: translateX(0); } 20%, 60% { transform: translateX(-5px); } 40%, 80% { transform: translateX(5px); } }
@keyframes k-donen   { to { transform: rotate(360deg); } }
@keyframes k-zipla   { 0%, 100% { transform: translateY(0); opacity: .5; } 50% { transform: translateY(6px); opacity: 1; } }

/* Sayfa yüklenince kademeli giriş (hero, login kartı) */
.k-giris { animation: k-yukari .75s var(--k-ease) both; }
.k-giris.g1 { animation-delay: .05s; }
.k-giris.g2 { animation-delay: .16s; }
.k-giris.g3 { animation-delay: .27s; }
.k-giris.g4 { animation-delay: .38s; }
.k-giris.g5 { animation-delay: .5s; }

/* Kaydırınca açığa çıkma — yalnız JS hazırsa gizlenir (JS yok = görünür).
   Animasyon 'backwards' doldurur: bitince öğede transform KALMAZ, böylece
   .k-kart:hover / .k-ilke:hover kaldırma efektleri ezilmez. */
html.k-js .k-reveal:not(.k-goster) { opacity: 0; }
html.k-js .k-reveal.k-goster { animation: k-yukari .7s var(--k-ease) backwards; }
html.k-js .k-reveal.k-goster[data-gecikme="1"] { animation-delay: .08s; }
html.k-js .k-reveal.k-goster[data-gecikme="2"] { animation-delay: .16s; }
html.k-js .k-reveal.k-goster[data-gecikme="3"] { animation-delay: .24s; }
html.k-js .k-reveal.k-goster[data-gecikme="4"] { animation-delay: .32s; }
html.k-js .k-reveal.k-goster[data-gecikme="5"] { animation-delay: .4s; }

/* ---------- ÜST BAR (_LayoutBos) — yapışkan, cam efekti ---------- */
.bos-ustbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 22px;
  min-height: 64px;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(225, 225, 240, .7);
}
.bos-marka {
  font-family: 'Fredoka One', Inter, ui-sans-serif, system-ui, sans-serif;
  font-weight: 400;
  font-size: 20px;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .25s var(--k-ease);
}
.bos-marka:hover { color: var(--text); transform: translateY(-1px); }
.bos-marka .k-ai { color: var(--blue); }
.bos-marka .k-marka-nokta {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(16, 216, 118, .55);
  animation: k-nabiz 2.4s infinite;
}

/* ---------- HERO ---------- */
.k-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--navy);
  color: #fff;
  padding: clamp(72px, 10vh, 120px) 24px clamp(64px, 9vh, 100px);
}
.k-hero::after {
  /* ince ızgara dokusu: derinlik, dikkat çekmeden */
  content: "";
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 75%);
}
.k-orb {
  position: absolute; z-index: -1; pointer-events: none;
  border-radius: 50%;
  filter: blur(64px);
  opacity: .8;
  will-change: transform;
}
.k-orb.a { width: 560px; height: 560px; right: -160px; top: -240px;
  background: radial-gradient(circle, rgba(30, 116, 253, .75), transparent 62%);
  animation: k-orb-a 14s ease-in-out infinite; }
.k-orb.b { width: 460px; height: 460px; left: -180px; bottom: -240px;
  background: radial-gradient(circle, rgba(16, 216, 118, .5), transparent 62%);
  animation: k-orb-b 17s ease-in-out infinite; }
.k-orb.c { width: 320px; height: 320px; left: 42%; top: 58%;
  background: radial-gradient(circle, rgba(103, 59, 183, .55), transparent 62%);
  animation: k-orb-a 21s ease-in-out infinite reverse; }

.k-hero-ic {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.k-hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: #fff;
  font-size: 11px;
  letter-spacing: .18em;
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  padding: 7px 13px;
}
.k-hero .eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  animation: k-nabiz 2.4s infinite;
}
.k-hero h1 {
  font-family: 'Fredoka One', Inter, ui-sans-serif, system-ui, sans-serif;
  font-weight: 400;
  font-size: clamp(42px, 5.6vw, 68px);
  margin: 18px 0 8px;
  line-height: 1.04;
  letter-spacing: .01em;
}
.k-hero h1 .k-ai {
  /* akan gradyan: mavi → yeşil → mavi; koyu zeminde parlak, okunur */
  background: linear-gradient(90deg, #5aa0ff, #10d876, #5aa0ff);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: k-parilti 6s linear infinite;
}
.k-hero .k-slogan {
  max-width: 560px;
  margin: 14px 0 0;
  font-size: clamp(16px, 1.55vw, 19px);
  color: rgba(255, 255, 255, .8);
  line-height: 1.65;
}
.k-hero .k-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.k-hero .button {
  min-height: 46px;
  padding: 0 22px;
  font-size: 13px;
  border-radius: 12px;
  transition: transform .25s var(--k-ease), box-shadow .25s var(--k-ease), background-color .25s;
}
.k-hero .button.primary { box-shadow: 0 10px 26px rgba(30, 116, 253, .35); }
.k-hero .button.primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(30, 116, 253, .45); }
.k-hero .button.secondary {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .28);
  color: #fff;
}
.k-hero .button.secondary:hover { transform: translateY(-2px); background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .5); }
.k-ipucu {
  display: inline-flex;
  margin-top: 40px;
  color: rgba(255, 255, 255, .5);
  font-size: 22px;
  text-decoration: none;
  animation: k-zipla 1.9s ease-in-out infinite;
}
.k-ipucu:hover { color: #fff; }

/* Hero vitrini: CSS ile çizilmiş "sınav telemetrisi" kartı (dekoratif).
   Süzülme İÇ öğede: sarmalayıcı .k-giris giriş animasyonunu taşır, ikisi
   aynı öğede olsa sonraki kural girişi ezerdi. */
.k-vitrin-sar .k-vitrin { animation: k-suzul 7s ease-in-out infinite; }
.k-vitrin {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 18px;
  padding: 20px 22px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
  color: rgba(255, 255, 255, .88);
  font-size: 13px;
}
.k-vitrin-bas {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 14px;
}
.k-vitrin-bas .k-nokta { width: 7px; height: 7px; border-radius: 50%; background: var(--green); animation: k-nabiz 2.4s infinite; }
.k-vitrin-satir { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; }
.k-vitrin-satir + .k-vitrin-satir { border-top: 1px solid rgba(255, 255, 255, .08); }
.k-etiket {
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  background: rgba(255, 255, 255, .1);
  border-radius: 999px; padding: 4px 10px;
}
.k-etiket.yesil { background: rgba(16, 216, 118, .18); color: #9ff5cc; }
.k-cubuklar {
  display: flex; align-items: flex-end; gap: 6px;
  height: 64px; margin: 12px 0 6px;
}
.k-cubuklar i {
  flex: 1; display: block;
  height: calc(var(--h, .5) * 100%);
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, #5aa0ff, rgba(30, 116, 253, .35));
  transform-origin: bottom;
  animation: k-cubuk .9s var(--k-ease) both;
}
.k-cubuklar i.vurgu { background: linear-gradient(180deg, #10d876, rgba(16, 216, 118, .35)); }
.k-cubuklar i:nth-child(1) { animation-delay: .55s; }
.k-cubuklar i:nth-child(2) { animation-delay: .62s; }
.k-cubuklar i:nth-child(3) { animation-delay: .69s; }
.k-cubuklar i:nth-child(4) { animation-delay: .76s; }
.k-cubuklar i:nth-child(5) { animation-delay: .83s; }
.k-cubuklar i:nth-child(6) { animation-delay: .9s; }
.k-cubuklar i:nth-child(7) { animation-delay: .97s; }
.k-cubuklar i:nth-child(8) { animation-delay: 1.04s; }
.k-vitrin-alt { margin-top: 8px; font-size: 12px; color: rgba(255, 255, 255, .55); }

/* ---------- BÖLÜM iskeleti ---------- */
.k-bolum { max-width: 1080px; margin: 0 auto; padding: clamp(52px, 8vh, 84px) 24px 0; scroll-margin-top: 72px; } /* yapışkan üst bar payı (#ozellikler) */
.k-bolum-bas { text-align: center; margin-bottom: 34px; }
.k-bolum-bas .section-kicker { font-size: 11px; color: var(--muted); letter-spacing: .18em; }
.k-bolum-bas h2 { font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; margin: 10px 0 0; color: var(--text); letter-spacing: -.01em; }

/* ---------- ÖZELLİK KARTLARI ---------- */
.k-izgara {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.k-kart {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  transition: transform .35s var(--k-ease), box-shadow .35s var(--k-ease), border-color .35s var(--k-ease);
}
.k-kart::before {
  /* üst vurgu çizgisi: hover'da soldan açılır */
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--k-ease);
}
.k-kart:hover { transform: translateY(-6px); box-shadow: var(--k-golge-derin); border-color: rgba(30, 116, 253, .35); }
.k-kart:hover::before { transform: scaleX(1); }
.k-kart h3 { font-size: 16.5px; font-weight: 700; margin: 0; color: var(--text); }
.k-kart p { margin: 0; font-size: 13.5px; line-height: 1.65; color: var(--muted); flex: 1; }
.k-kart-ikon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 20px;
  transition: transform .35s var(--k-ease), box-shadow .35s var(--k-ease);
}
.k-kart:hover .k-kart-ikon { transform: rotate(-6deg) scale(1.08); }
.k-kart-ikon.mavi    { background: rgba(30, 116, 253, .12); color: var(--blue); }
.k-kart-ikon.yesil   { background: rgba(16, 216, 118, .14); color: var(--green); }
.k-kart-ikon.turuncu { background: rgba(254, 148, 49, .16); color: var(--orange); }
.k-kart-ikon.mor     { background: rgba(103, 59, 183, .12); color: var(--purple); }
.k-kart:hover .k-kart-ikon.mavi    { box-shadow: 0 8px 20px rgba(30, 116, 253, .25); }
.k-kart:hover .k-kart-ikon.yesil   { box-shadow: 0 8px 20px rgba(16, 216, 118, .25); }
.k-kart:hover .k-kart-ikon.turuncu { box-shadow: 0 8px 20px rgba(254, 148, 49, .25); }
.k-kart:hover .k-kart-ikon.mor     { box-shadow: 0 8px 20px rgba(103, 59, 183, .25); }

/* ---------- AI (YAKINDA) şeridi — gradyan kenarlık ---------- */
.k-ai-serit {
  position: relative;
  border: 1px solid transparent;
  border-radius: 18px;
  background-image:
    linear-gradient(var(--surface), var(--surface)),
    linear-gradient(120deg, rgba(30, 116, 253, .7), rgba(16, 216, 118, .7), rgba(103, 59, 183, .7));
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: var(--shadow);
  padding: clamp(26px, 4vw, 42px);
  display: flex;
  gap: 24px;
  align-items: center;
}
.k-ai-serit .k-kart-ikon {
  width: 60px; height: 60px; font-size: 28px; flex: none;
  background: linear-gradient(135deg, rgba(30, 116, 253, .16), rgba(103, 59, 183, .16));
  color: var(--blue);
}
.k-ai-serit h2 { font-size: clamp(20px, 2.1vw, 26px); font-weight: 800; margin: 0 0 8px; letter-spacing: -.01em; }
.k-ai-serit p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.7; max-width: 62ch; }
.k-rozet {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(16, 216, 118, .14);
  /* var(--green) burada 1.7:1 kalıyordu (AA 4.5:1 ister) — koyu yeşil sabit */
  color: #0b7c48;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 10px;
}
.k-rozet::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  animation: k-nabiz 2.2s infinite;
}

/* ---------- İLKELER — çip şeridi ---------- */
.k-ilkeler {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.k-ilke {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 13.5px; color: var(--text);
  transition: transform .3s var(--k-ease), border-color .3s var(--k-ease), box-shadow .3s var(--k-ease);
}
.k-ilke:hover { transform: translateY(-2px); border-color: rgba(16, 216, 118, .55); box-shadow: 0 10px 24px rgba(34, 46, 60, .08); }
.k-ilke .bi { color: var(--green); font-size: 17px; flex: none; }

/* ---------- ALT BİLGİ ---------- */
.k-alt {
  text-align: center;
  padding: clamp(44px, 7vh, 64px) 24px 32px;
  color: var(--muted);
  font-size: 12.5px;
}
.k-alt strong { color: var(--text); }

/* ---------- GİRİŞ (login) ---------- */
.login-sahne {
  min-height: calc(100vh - 64px);
  min-height: calc(100dvh - 64px);
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(700px 400px at 100% 0%, rgba(30, 116, 253, .07), transparent 70%),
    radial-gradient(600px 400px at 0% 100%, rgba(16, 216, 118, .06), transparent 70%);
}
.login-kart {
  width: 100%;
  max-width: 900px;
  display: grid;
  grid-template-columns: 5fr 6fr;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--k-golge-derin);
  overflow: hidden;
  animation: k-yukari .65s var(--k-ease) both;
}
.login-marka {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--navy);
  color: #fff;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.login-marka .k-orb.a { width: 380px; height: 380px; right: -140px; top: -160px; }
.login-marka .k-orb.b { width: 300px; height: 300px; left: -120px; bottom: -150px; }
.login-marka h1 {
  font-family: 'Fredoka One', Inter, ui-sans-serif, system-ui, sans-serif;
  font-weight: 400;
  font-size: 34px;
  margin: 0;
}
.login-marka h1 .k-ai {
  background: linear-gradient(90deg, #5aa0ff, #10d876, #5aa0ff);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: k-parilti 6s linear infinite;
}
.login-marka .login-kurum {
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .62);
}
.login-marka ul {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.login-marka li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13.5px; line-height: 1.5; color: rgba(255, 255, 255, .84);
  animation: k-yukari .6s var(--k-ease) both;
}
.login-marka li:nth-child(1) { animation-delay: .25s; }
.login-marka li:nth-child(2) { animation-delay: .35s; }
.login-marka li:nth-child(3) { animation-delay: .45s; }
.login-marka li .bi { color: var(--green); flex: none; margin-top: 1px; }
.login-marka .login-sezon { margin-top: auto; padding-top: 28px; font-size: 12.5px; color: rgba(255, 255, 255, .55); }

.login-form { padding: 40px 38px; }
.login-form h2 { font-size: 22px; font-weight: 800; margin: 0 0 4px; color: var(--text); letter-spacing: -.01em; }
.login-form .login-alt-baslik { font-size: 13.5px; color: var(--muted); margin: 0 0 24px; }
.login-alan { position: relative; }
.login-alan > .bi {
  position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-size: 15px; pointer-events: none;
  transition: color .25s;
}
.login-alan:focus-within > .bi { color: var(--blue); }
.login-alan .form-control {
  padding-left: 40px;
  min-height: 46px;
  border-radius: 11px;
  transition: box-shadow .25s var(--k-ease), border-color .25s var(--k-ease);
}
.login-alan .form-control:focus { box-shadow: 0 0 0 4px rgba(30, 116, 253, .14); }
.login-alan.parola .form-control { padding-right: 46px; }
.login-goz {
  position: absolute; right: 7px; top: 50%; transform: translateY(-50%);
  border: 0; background: transparent;
  color: var(--muted); font-size: 16px;
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center;
  transition: background-color .2s, color .2s;
}
.login-goz:hover, .login-goz:focus-visible { color: var(--blue); background: rgba(30, 116, 253, .08); outline: none; }
.login-goz:focus-visible { box-shadow: 0 0 0 3px rgba(30, 116, 253, .25); }
.login-form .alert-danger { animation: k-sallan .5s var(--k-ease); }
.login-form .btn-primary {
  min-height: 46px;
  border-radius: 11px;
  font-weight: 700;
  transition: transform .2s var(--k-ease), box-shadow .2s var(--k-ease);
}
.login-form .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(30, 116, 253, .3); }
.login-form .btn-primary.yukleniyor { pointer-events: none; opacity: .85; }
.login-form .btn-primary.yukleniyor::after {
  content: "";
  width: 15px; height: 15px;
  border: 2px solid rgba(255, 255, 255, .45);
  border-top-color: #fff;
  border-radius: 50%;
  display: inline-block;
  margin-left: 9px;
  vertical-align: -3px;
  animation: k-donen .8s linear infinite;
}

/* ---------- KIRILIMLAR ---------- */
@media (max-width: 900px) {
  .k-hero { text-align: center; }
  .k-hero-ic { grid-template-columns: 1fr; gap: 36px; }
  .k-hero .k-slogan { margin-left: auto; margin-right: auto; }
  .k-hero .k-cta { justify-content: center; }
  .k-vitrin { max-width: 380px; margin: 0 auto; }
  .k-izgara { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login-kart { grid-template-columns: 1fr; max-width: 460px; }
  .login-marka { padding: 28px 28px; }
  .login-marka ul { display: none; }              /* dar ekranda öz: marka + form */
  .login-marka .login-sezon { display: none; }
}
@media (max-width: 620px) {
  .k-izgara { grid-template-columns: 1fr; }
  .k-ai-serit { flex-direction: column; align-items: flex-start; }
  .login-form { padding: 28px 24px; }
  .k-orb { filter: blur(48px); }
}


/* ---------- CANLI ÖRNEK KÖŞESİ ("AI iş başında") ---------- */
@keyframes k-genis   { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes k-ciz     { to { stroke-dashoffset: 0; } }
@keyframes k-belir   { from { opacity: 0; } to { opacity: 1; } }
@keyframes k-imlec   { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes k-ilerle  { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes k-parla   { 0% { box-shadow: 0 0 0 0 rgba(16, 216, 118, .0); } 40% { box-shadow: 0 0 0 4px rgba(16, 216, 118, .25); } 100% { box-shadow: 0 0 0 0 rgba(16, 216, 118, 0); } }

.k-bolum-alt { max-width: 640px; margin: 12px auto 0; color: var(--muted); font-size: 15px; line-height: 1.6; }

.k-demo {
  position: relative;
  border-radius: 22px;
  background: linear-gradient(160deg, #1b2a3b 0%, var(--navy, #222e3c) 55%, #1a2f4a 100%);
  color: rgba(255, 255, 255, .9);
  box-shadow: var(--k-golge-derin);
  overflow: hidden;
  isolation: isolate;
}
.k-demo::before {
  content: "";
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(520px 260px at 85% 0%, rgba(30, 116, 253, .35), transparent 70%),
    radial-gradient(420px 220px at 0% 100%, rgba(16, 216, 118, .22), transparent 70%);
}
.k-demo-ust { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; padding: 14px 16px 0; }
.k-demo-sekmeler { display: flex; flex-wrap: wrap; gap: 6px; }
.k-demo-oynat {
  flex: none; width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .85); font-size: 16px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background-color .25s, transform .25s var(--k-ease);
}
.k-demo-oynat:hover { background: rgba(255, 255, 255, .16); transform: translateY(-1px); }
.k-demo-oynat:focus-visible { outline: 2px solid #8fc0ff; outline-offset: 2px; }
.k-demo-oynat[aria-pressed="true"] { background: #fff; color: var(--navy, #222e3c); border-color: #fff; }
.k-demo-panel:focus-visible { outline: 2px solid #8fc0ff; outline-offset: 6px; border-radius: 12px; }
.k-demo-sekme {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .06);
  color: rgba(255, 255, 255, .78);
  font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
  transition: background-color .25s, color .25s, border-color .25s, transform .25s var(--k-ease);
}
.k-demo-sekme i { font-size: 15px; opacity: .9; }
.k-demo-sekme:hover { background: rgba(255, 255, 255, .12); color: #fff; transform: translateY(-1px); }
.k-demo-sekme:focus-visible { outline: 2px solid #8fc0ff; outline-offset: 2px; }
.k-demo-sekme.aktif { background: #fff; color: var(--navy, #222e3c); border-color: #fff; }
.k-demo-ilerleme { height: 3px; margin: 12px 0 0; background: rgba(255, 255, 255, .08); overflow: hidden; }
.k-demo-ilerleme i { display: block; height: 100%; width: 100%; transform-origin: left; transform: scaleX(0); background: linear-gradient(90deg, var(--green, #10d876), #1e74fd); }
.k-demo.oynuyor .k-demo-ilerleme i { animation: k-ilerle var(--k-demo-sure, 7s) linear forwards; }
.k-demo.duruk .k-demo-ilerleme i { animation-play-state: paused; }

.k-demo-govde { padding: 18px 16px 18px; }
.k-demo-panel { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 16px; }
.k-demo-panel[hidden] { display: none; }
.k-demo-panel-bas { grid-column: 1 / -1; margin: 6px 0 0; font-size: 16px; font-weight: 800; color: #fff; }
.k-demo.k-demo-js .k-demo-panel-bas { display: none; }              /* JS varken sekme başlıktır */
.k-demo:not(.k-demo-js) .k-demo-sekmeler, .k-demo:not(.k-demo-js) .k-demo-ilerleme { display: none; }
.k-demo:not(.k-demo-js) .k-demo-panel { display: grid !important; }  /* JS yoksa hepsi statik, alt alta */
.k-demo:not(.k-demo-js) .k-demo-panel + .k-demo-panel { margin-top: 18px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1); }

.k-demo-gorsel, .k-demo-yorum {
  border-radius: 16px; padding: 16px 18px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  min-width: 0;
}
.k-demo-gorsel-bas { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; font-weight: 700; color: rgba(255, 255, 255, .92); margin-bottom: 14px; }
.k-demo-not { font-weight: 500; color: rgba(255, 255, 255, .62); font-size: 12px; }

.k-demo-cipler, .k-demo-eylem { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.k-demo-cip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .9);
}
.k-demo-cip.yesil { background: rgba(16, 216, 118, .18); color: #7ff0b6; }
.k-demo-cip.uyari { background: rgba(255, 174, 66, .18); color: #ffd48a; }
.k-demo-cip.kirmizi { background: rgba(255, 99, 99, .2); color: #ffb3b3; }
.k-demo-cip.mavi { background: rgba(30, 116, 253, .28); color: #cfe2ff; }
.k-demo-cip.soluk { background: rgba(255, 255, 255, .06); color: rgba(255, 255, 255, .76); }
.k-demo-cip.nabiz { animation: k-parla 2.2s ease-out infinite; }

/* 1 — soru başına süre çubukları */
.k-tl { display: grid; gap: 9px; }
.k-tl-satir { display: grid; grid-template-columns: 64px 1fr 48px; align-items: center; gap: 10px; font-size: 13px; }
.k-tl-ad { color: rgba(255, 255, 255, .72); }
.k-tl-deger { text-align: right; font-variant-numeric: tabular-nums; color: rgba(255, 255, 255, .85); }
.k-tl-cubuk { height: 10px; border-radius: 999px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.k-tl-cubuk i { display: block; height: 100%; width: calc(var(--w, .5) * 100%); border-radius: inherit; background: linear-gradient(90deg, #3d8bff, #7fb3ff); transform-origin: left; }
.k-demo.k-demo-js .k-tl-cubuk i, .k-demo.k-demo-js .k-kz-cubuk i { transform: scaleX(0); } /* JS'siz statik modda çubuk dolu görünür */
.k-tl-satir.vurgu .k-tl-ad, .k-tl-satir.vurgu .k-tl-deger { color: #fff; font-weight: 700; }
.k-tl-satir.vurgu .k-tl-cubuk i { background: linear-gradient(90deg, #ffae42, #ff7a59); }
.k-demo-panel.oynat .k-tl-cubuk i { animation: k-genis .9s var(--k-ease) forwards; }
.k-demo-panel.oynat .k-tl-satir:nth-child(2) .k-tl-cubuk i { animation-delay: .12s; }
.k-demo-panel.oynat .k-tl-satir:nth-child(3) .k-tl-cubuk i { animation-delay: .24s; }
.k-demo-panel.oynat .k-tl-satir:nth-child(4) .k-tl-cubuk i { animation-delay: .36s; }

/* 2 — kazanım başarı çubukları */
.k-kz { display: grid; gap: 10px; }
.k-kz-satir { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) auto; align-items: center; gap: 10px; font-size: 13px; }
.k-kz-ad { color: rgba(255, 255, 255, .78); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k-kz-deger { font-variant-numeric: tabular-nums; color: rgba(255, 255, 255, .85); white-space: nowrap; }
.k-kz-cubuk { height: 10px; border-radius: 999px; background: rgba(255, 255, 255, .08); overflow: hidden; }
.k-kz-cubuk i { display: block; height: 100%; width: calc(var(--w, .5) * 100%); border-radius: inherit; background: linear-gradient(90deg, #10d876, #6ff0b0); transform-origin: left; }
.k-kz-satir.dusuk .k-kz-ad, .k-kz-satir.dusuk .k-kz-deger { color: #ffb3b3; font-weight: 700; }
.k-kz-satir.dusuk .k-kz-cubuk i { background: linear-gradient(90deg, #ff6b6b, #ff9a8b); }
.k-demo-panel.oynat .k-kz-cubuk i { animation: k-genis .9s var(--k-ease) forwards; }
.k-demo-panel.oynat .k-kz-satir:nth-child(2) .k-kz-cubuk i { animation-delay: .1s; }
.k-demo-panel.oynat .k-kz-satir:nth-child(3) .k-kz-cubuk i { animation-delay: .2s; }
.k-demo-panel.oynat .k-kz-satir:nth-child(4) .k-kz-cubuk i { animation-delay: .3s; }
.k-demo-panel.oynat .k-kz-satir:nth-child(5) .k-kz-cubuk i { animation-delay: .4s; }

/* 3 — devam eğrisi (SVG çizim animasyonu) */
.k-cizgi { display: block; width: 100%; height: 110px; overflow: visible; }
.k-cizgi-esik { stroke: rgba(255, 255, 255, .18); stroke-width: 1; stroke-dasharray: 4 4; }
.k-cizgi-yol { fill: none; stroke: #7fb3ff; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 420; stroke-dashoffset: 0; }
.k-cizgi-nokta { fill: none; stroke: #fff; stroke-width: 7; stroke-linecap: round; opacity: 1; }
.k-cizgi-nokta.son { stroke: #ff6b6b; stroke-width: 9; }
.k-demo-panel.oynat .k-cizgi-yol { stroke-dashoffset: 420; animation: k-ciz 1.6s var(--k-ease) forwards; }
.k-demo-panel.oynat .k-cizgi-nokta { opacity: 0; animation: k-belir .35s var(--k-ease) forwards; }
.k-demo-panel.oynat .k-cizgi-nokta:nth-of-type(1) { animation-delay: .15s; }
.k-demo-panel.oynat .k-cizgi-nokta:nth-of-type(2) { animation-delay: .32s; }
.k-demo-panel.oynat .k-cizgi-nokta:nth-of-type(3) { animation-delay: .5s; }
.k-demo-panel.oynat .k-cizgi-nokta:nth-of-type(4) { animation-delay: .68s; }
.k-demo-panel.oynat .k-cizgi-nokta:nth-of-type(5) { animation-delay: .86s; }
.k-demo-panel.oynat .k-cizgi-nokta:nth-of-type(6) { animation-delay: 1.04s; }
.k-demo-panel.oynat .k-cizgi-nokta:nth-of-type(7) { animation-delay: 1.22s; }
.k-demo-panel.oynat .k-cizgi-nokta:nth-of-type(8) { animation-delay: 1.45s; }

/* 4 — soru taslağı, 5 — karne */
.k-soru { display: grid; gap: 7px; font-size: 14px; line-height: 1.5; }
.k-soru-kok { margin: 0 0 4px; font-weight: 700; color: #fff; }
.k-soru-sik { margin: 0; padding: 7px 10px; border-radius: 10px; background: rgba(255, 255, 255, .05); color: rgba(255, 255, 255, .85); min-height: 1.5em; }
.k-soru-sik b { color: rgba(255, 255, 255, .76); margin-right: 4px; }
.k-soru-sik.dogru.bitti b { color: inherit; }
.k-soru-sik.dogru.bitti { background: rgba(16, 216, 118, .16); color: #b8f5d3; box-shadow: inset 0 0 0 1px rgba(16, 216, 118, .45); }
.k-karne { margin: 0; font-size: 14px; line-height: 1.65; color: rgba(255, 255, 255, .88); min-height: 4.5em; }

/* yazıcı efekti */
.k-demo-yorum-bas { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .7); margin-bottom: 10px; }
.k-demo-yorum-bas .k-nokta { width: 7px; height: 7px; border-radius: 50%; background: var(--green, #10d876); animation: k-nabiz 2.4s infinite; }
.k-demo-yazi { margin: 0; font-size: 14.5px; line-height: 1.65; color: #fff; min-height: 6.6em; }
[data-yaz].yaziliyor::after { content: "▍"; margin-left: 1px; color: var(--green, #10d876); animation: k-imlec .8s steps(1) infinite; }

@media (max-width: 900px) {
  .k-demo-panel { grid-template-columns: 1fr; }
  .k-demo-yazi { min-height: 0; }
}
@media (max-width: 620px) {
  .k-demo-sekme span { display: none; }               /* dar ekranda yalnız ikon */
  .k-demo-sekme { padding: 10px 12px; }
  .k-demo-sekme.aktif span { display: inline; }
  .k-tl-satir { grid-template-columns: 52px 1fr 44px; }
  .k-kz-satir { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------- HAREKET AZALTMA: her animasyon kapanır, içerik anında görünür ---------- */
@media (prefers-reduced-motion: reduce) {
  .k-giris, .k-orb, .k-vitrin-sar, .k-cubuklar i, .k-ipucu,
  .k-hero h1 .k-ai, .login-marka h1 .k-ai, .k-rozet::before, .k-hero .eyebrow::before,
  .k-vitrin-bas .k-nokta, .bos-marka .k-marka-nokta, .login-kart, .login-marka li,
  .login-form .alert-danger, .login-form .btn-primary.yukleniyor::after {
    animation: none !important;
  }
  .k-demo-cip.nabiz, .k-demo-yorum-bas .k-nokta, .k-demo-ilerleme i, [data-yaz].yaziliyor::after,
  .k-demo-panel.oynat .k-tl-cubuk i, .k-demo-panel.oynat .k-kz-cubuk i, .k-demo-panel.oynat .k-cizgi-yol, .k-demo-panel.oynat .k-cizgi-nokta { animation: none !important; }
  .k-tl-cubuk i, .k-kz-cubuk i, .k-demo.k-demo-js .k-tl-cubuk i, .k-demo.k-demo-js .k-kz-cubuk i { transform: none; }
  .k-demo-panel.oynat .k-cizgi-yol { stroke-dashoffset: 0; }
  .k-demo-panel.oynat .k-cizgi-nokta { opacity: 1; }
  .k-hero h1 .k-ai, .login-marka h1 .k-ai { color: #5aa0ff; background: none; -webkit-background-clip: initial; background-clip: initial; }
  .k-cubuklar i { transform: none; }
  html.k-js .k-reveal { opacity: 1; transform: none; }
}
