/* Clear Gallery — site stilleri.
   Yapı: siyah-beyaz editoryal düzen (kullanıcının referansı: Wizz).
   Renkler: uygulamanın kendi teması (ai-foto-temizleyici/src/constants/theme.ts) —
   "Doğal Akış" gradyanı Mavisi #00C6FB → Derin Mavi #005BEA, vurgu #0A84FF, iris #6E5BFF,
   iOS grileri (#F2F2F7, #565666).
   Yazı tipi: Hanken Grotesk — uygulamanın kendi fontu; referanstaki PolySans'ın (ücretli)
   açık lisanslı karşılığı. © The Hanken Grotesk Project Authors, SIL Open Font License 1.1.

   Erişilebilirlik: Mavisi (#00C6FB) üstünde siyah yazı 10.5:1 → etiketler ve vurgu
   işaretleri onunla. Ana düğme Derin Mavi tonlarında beyaz yazıyla (≥ 4.8:1). */

@font-face { font-family: "Hanken Grotesk"; src: url("/assets/fonts/hanken-grotesk-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Hanken Grotesk"; src: url("/assets/fonts/hanken-grotesk-600.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Hanken Grotesk"; src: url("/assets/fonts/hanken-grotesk-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Hanken Grotesk"; src: url("/assets/fonts/hanken-grotesk-900.woff2") format("woff2"); font-weight: 900; font-style: normal; font-display: swap; }

/* Ölçüleri Hanken'e uydurulmuş yedek font (Arial'dan). Hanken yavaş gelirse metin önce
   bununla çizilir; genişlik ve satır yüksekliği aynı olduğu için font geldiğinde sayfa
   kaymaz (CLS). Değerler font dosyalarından hesaplandı: Hanken / Arial genişlik oranı,
   Hanken'in typo ölçüleri (ascent 1000, descent 303, upm 1000). */
@font-face { font-family: "Hanken Fallback"; src: local("Arial"), local("ArialMT"); font-weight: 100 500; size-adjust: 100.8%; ascent-override: 99.2%; descent-override: 30.1%; line-gap-override: 0%; }
@font-face { font-family: "Hanken Fallback"; src: local("Arial Bold"), local("Arial-BoldMT"); font-weight: 600 700; size-adjust: 95.8%; ascent-override: 104.4%; descent-override: 31.6%; line-gap-override: 0%; }
@font-face { font-family: "Hanken Fallback"; src: local("Arial Bold"), local("Arial-BoldMT"); font-weight: 800 900; size-adjust: 93.2%; ascent-override: 107.3%; descent-override: 32.5%; line-gap-override: 0%; }

:root {
  color-scheme: light;

  --cyan: #00c6fb;          /* Mavisi — etiketler, aktif durumlar (siyah yazıyla) */
  --blue: #005bea;          /* Derin Mavi — ana düğme */
  --blue-2: #0a6bef;        /* düğme gradyanının açık ucu (beyaz yazıyla 4.8:1) */
  --focus: #0a84ff;         /* uygulamanın vurgu mavisi — odak halkası, imleç, bağlantı çizgisi */
  --black: #000000;
  --white: #ffffff;
  --ash: #dcdce3;
  --charcoal: #565666;      /* uygulamanın ikincil metin rengi */
  --onyx: #1b1b20;
  --mist: #f2f2f7;          /* uygulamanın arka plan grisi */
  --on-black-2: #c4c4c4;

  --font: "Hanken Grotesk", "Hanken Fallback", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --text-display: clamp(2.65rem, 0.95rem + 7.1vw, 5.375rem);
  --text-display-2: clamp(2.2rem, 1.05rem + 4.8vw, 4.5rem);
  --text-h3: clamp(1.35rem, 1.18rem + 0.7vw, 1.75rem);
  --text-lead: 1.125rem;
  --text-body: 1rem;
  --text-sm: 0.875rem;
  --text-label: 0.8125rem;

  --sp-4: 0.25rem;
  --sp-8: 0.5rem;
  --sp-12: 0.75rem;
  --sp-16: 1rem;
  --sp-20: 1.25rem;
  --sp-24: 1.5rem;
  --sp-32: 2rem;
  --sp-48: 3rem;
  --sp-56: 3.5rem;
  --sp-64: 4rem;
  --sp-80: 5rem;
  --section: clamp(4rem, 2.6rem + 4.5vw, 5.5rem);
  --gutter: clamp(1rem, 4vw, 2rem);
  --wrap: 75rem;
  --measure: 40rem;
  --header-space: 6.5rem;

  --radius: 12px;
  --radius-img: 24px;
  --radius-pill: 999px;
  --shadow-md: 0 1px 10px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 1px 30px rgb(0 0 0 / 0.3);
  --ring: inset 0 0 0 1px var(--ash);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  --z-raised: 2;
  --z-header: 10;
  --z-skip: 20;
}

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

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-space);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font: 400 var(--text-body) / 1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; height: auto; display: block; }

h1, h2, h3 { margin: 0; font-weight: 700; line-height: 1.1; letter-spacing: -0.01em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
dl, dd { margin: 0; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: fixed; left: var(--gutter); top: -4rem; z-index: var(--z-skip);
  padding: 0.6rem 1rem; border-radius: var(--radius);
  background: var(--cyan); color: var(--black); font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 1rem; }

/* ---------- Tipografi sistemi ---------- */

/* Display: kalın, büyük harf, sıkışık satır aralığı — harfler logo gibi üst üste biner. */
.display {
  font-size: var(--text-display);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.display-2 {
  font-size: var(--text-display-2);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.012em;
  text-transform: uppercase;
}

/* Hero başlığı: referanstaki hero ölçüsü (72px), sayfa açılışlarından bir kademe küçük. */
.display-hero {
  font-size: clamp(2.6rem, 1rem + 6.4vw, 4.5rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}

/* Blok etiketi: siyah büyük harf + küçük mavi kare. Vurgu rengi her ekranda
   seyrek kalsın diye bloklarda dolu etiket yerine bu kullanılıyor. */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.kicker::before { content: ""; width: 0.55rem; height: 0.55rem; border-radius: 2px; background: var(--cyan); }

/* Bölüm etiketi: siyah metnin altına çekilmiş mavi fosforlu kalem (Mavisi). */
.tag {
  display: inline-block;
  padding: 0.32rem 0.55rem 0.28rem;
  border-radius: 5px;
  background: var(--cyan);
  color: var(--black);
  font-size: var(--text-label);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  rotate: -1.5deg;
}

.lead { font-size: var(--text-lead); line-height: 1.5; }
.muted { color: var(--charcoal); }

/* ---------- Havada duran siyah menü ---------- */

.site-header {
  position: fixed;
  top: 12px;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  pointer-events: none;
}
.nav-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-16);
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
  padding: 8px 8px 8px 12px;
  border-radius: var(--radius-pill);
  background: var(--black);
  color: var(--white);
  box-shadow: var(--shadow-xl);
  pointer-events: auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); list-style: none; }
.nav-links a {
  padding-block: 0.5rem;
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  opacity: 0.82;
}
.nav-links a:hover { opacity: 1; }
.nav-links a[aria-current] {
  opacity: 1;
  text-decoration: underline 2px var(--cyan);
  text-underline-offset: 0.45em;
}
.nav-end { display: flex; align-items: center; gap: var(--sp-12); }

@media (max-width: 52rem) {
  .nav-links .hide-md { display: none; }
}
@media (max-width: 26rem) {
  .nav-links { display: none; }
}

/* ---------- Düğmeler ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0 1.3rem;
  border: 0;
  border-radius: var(--radius);
  font: 700 1rem / 1 var(--font);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), background-color 0.2s var(--ease-out);
}
/* Uygulamadaki "Doğal Akış" gradyanının koyu yarısı: beyaz yazı her noktada AA'yı geçer. */
.btn-primary { background: linear-gradient(135deg, var(--blue-2), var(--blue)); color: var(--white); box-shadow: var(--shadow-xl); }
.btn-primary:hover { background: linear-gradient(135deg, var(--blue), #004cc4); transform: translateY(-2px); }
.btn-primary:active { transform: none; }
.btn-black { background: var(--black); color: var(--white); }
.btn-black:hover { background: var(--onyx); }
.btn-sm { min-height: 2.5rem; padding: 0 1.05rem; font-size: var(--text-sm); }
.btn-lg { min-height: 3.5rem; padding: 0 1.75rem; font-size: 1.0625rem; }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }

/* App Store rozeti: siyah, iki satırlı */
.store {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 3.5rem;
  padding: 0.45rem 1.15rem 0.45rem 0.55rem;
  border-radius: var(--radius);
  background: var(--black);
  color: var(--white);
  text-align: left;
  text-decoration: none;
  transition: background-color 0.2s var(--ease-out);
}
.store:hover { background: var(--onyx); }
.store img { width: 38px; height: 38px; border-radius: 9px; }
.store small { display: block; font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.02em; opacity: 0.8; }
.store strong { display: block; font-size: 1.125rem; font-weight: 700; line-height: 1.1; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  text-decoration: underline 2px var(--black);
  text-underline-offset: 0.3em;
}
.arrow-link::after { content: "→"; transition: transform 0.25s var(--ease-out); }
.arrow-link:hover::after { transform: translateX(3px); }
.arrow-link:hover { text-decoration-color: var(--cyan); }

/* ---------- Telefon ---------- */

/* Ekran oranları posterlerden: ekran köşesi genişliğin %8.7'si, çerçeve %2.3'ü. */
.phone {
  --w: 260px;
  position: relative;
  flex: none;
  width: var(--w);
  padding: calc(var(--w) * 0.03);
  border-radius: calc(var(--w) * 0.115);
  background: var(--black);
}
.phone picture { display: block; }
.phone img,
.phone video {
  width: 100%;
  border-radius: calc(var(--w) * 0.088);
  background: #f2f2f7;
}

/* ---------- Ana sayfa: hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-top: calc(var(--header-space) + clamp(1.5rem, 5vw, 3.5rem));
  background: #c9dcff;
  text-align: center;
}
/* Sistemdeki TEK çok renkli yüzey: uygulamanın "Doğal Akış" mavileri + iris tonları,
   açıklaştırılmış (siyah display yazı en koyu noktada bile ≥ 10:1). */
.hero::before {
  content: "";
  position: absolute;
  inset: -25%;
  z-index: -1;
  background:
    radial-gradient(38% 42% at 16% 22%, #9fe8fd 0%, rgb(159 232 253 / 0) 70%),
    radial-gradient(36% 40% at 84% 16%, #c9c1ff 0%, rgb(201 193 255 / 0) 70%),
    radial-gradient(40% 44% at 24% 84%, #b3ccff 0%, rgb(179 204 255 / 0) 72%),
    radial-gradient(42% 46% at 82% 82%, #e3f6ff 0%, rgb(227 246 255 / 0) 72%),
    linear-gradient(135deg, #b4ecfe 0%, #c3d6ff 40%, #cfc8ff 70%, #e6f4ff 100%);
}
@media (prefers-reduced-motion: no-preference) {
  .hero::before { animation: drift 22s ease-in-out infinite alternate; }
}
@keyframes drift {
  to { transform: translate3d(-4%, 3%, 0) rotate(8deg) scale(1.08); }
}

.hero-inner { display: grid; justify-items: center; gap: var(--sp-24); }
.news {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 0.95rem 0.4rem 0.45rem;
  border-radius: var(--radius-pill);
  background: var(--black);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
}
.news-tag {
  padding: 0.28rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  color: var(--black);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.news::after { content: "→"; transition: transform 0.25s var(--ease-out); }
.news:hover::after { transform: translateX(3px); }

.hero h1 { max-width: 11.20em; /* = 20ch (Hanken 900), fonttan bağımsız */ }
.hero .lead { max-width: 36rem; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--sp-12); }
.hero-meta { font-size: var(--text-sm); font-weight: 600; }

/* Eğik telefon yelpazesi — bandın altından taşar */
.fan {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  height: clamp(17rem, 9rem + 30vw, 27rem);
  margin-top: clamp(2.5rem, 6vw, 4rem);
}
.fan .phone {
  --w: clamp(9.5rem, 6rem + 13vw, 15.5rem);
  margin-inline: calc(var(--w) * -0.1);
  rotate: var(--r, 0deg);
  translate: 0 var(--y, 0);
  transition: rotate 0.4s var(--ease-out), translate 0.4s var(--ease-out);
}
.fan .phone:hover { rotate: 0deg; translate: 0 calc(var(--y, 0px) - 12px); }
.fan .phone:nth-child(1) { --r: -9deg; --y: 3.2rem; }
.fan .phone:nth-child(2) { --r: -4.5deg; --y: 1rem; z-index: 1; }
.fan .phone:nth-child(3) { --r: 0deg; --y: 0; z-index: var(--z-raised); --w: clamp(10.5rem, 6.6rem + 14vw, 17rem); }
.fan .phone:nth-child(4) { --r: 4.5deg; --y: 1rem; z-index: 1; }
.fan .phone:nth-child(5) { --r: 9deg; --y: 3.2rem; }
@media (max-width: 40rem) {
  .fan .phone:nth-child(1),
  .fan .phone:nth-child(5) { display: none; }
  .fan .phone { --w: 42vw; }
  .fan .phone:nth-child(3) { --w: 48vw; }
}
/* Telefonlara açılış animasyonu verilmedi: animasyon sırasında ayrı katmana alınan
   döndürülmüş telefonları Chromium zaman zaman siyah çiziyordu (önizlemede tekrarlandı). */

/* ---------- Güven şeridi ---------- */

.trust { padding-block: clamp(2.5rem, 5vw, 3.5rem); border-bottom: 1px solid var(--ash); }
.trust ul { display: grid; gap: var(--sp-24); list-style: none; }
@media (min-width: 48rem) {
  .trust ul { grid-template-columns: repeat(3, 1fr); gap: 0; }
  .trust li + li { border-left: 1px solid var(--ash); }
  .trust li { padding-inline: var(--sp-32); }
  .trust li:first-child { padding-left: 0; }
}
.trust li { display: grid; grid-template-columns: auto 1fr; gap: 0.2rem var(--sp-16); align-items: start; }
.trust-icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1.5px solid var(--black);
  border-radius: 50%;
}
.trust-icon svg { width: 1.15rem; height: 1.15rem; }
.trust strong { font-weight: 700; }
.trust p { color: var(--charcoal); font-size: var(--text-sm); line-height: 1.45; }

/* ---------- Bölümler ---------- */

.section { padding-block: var(--section); }
.section-head { display: grid; justify-items: start; gap: var(--sp-16); }
.section-head p { max-width: 34rem; }

/* Görev satırı: solda büyük başlık, sağda etiket + vurgu cümlesi + metin blokları */
.mission { display: grid; gap: var(--sp-48); }
@media (min-width: 60rem) {
  .mission { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(3rem, 6vw, 6rem); }
  .mission > .section-head { position: sticky; top: calc(var(--header-space) + 1rem); align-self: start; }
}
.blocks { display: grid; }
.block { display: grid; justify-items: start; gap: var(--sp-12); padding-block: var(--sp-32); border-top: 1px solid var(--ash); }
.block:first-child { padding-top: 0; border-top: 0; }
.block h3 { font-size: var(--text-h3); font-weight: 700; line-height: 1.15; }
.block p { color: var(--charcoal); max-width: 34rem; }
.block .arrow-link { margin-top: var(--sp-4); font-size: 0.95rem; }

/* Arama kutusu demosu (uygulamadaki giriş alanı: açık gri dolgu + koyu çerçeve) */
.search-demo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: min(100%, 26rem);
  padding: 0.85rem 1rem;
  border: 1px solid var(--charcoal);
  border-radius: var(--radius);
  background: var(--mist);
  font-size: 1.125rem;
  font-weight: 600;
}
.search-demo svg { flex: none; width: 1.2rem; height: 1.2rem; }
.search-demo-text { min-height: 1.5em; }
.search-demo-text::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: -0.16em;
  background: var(--focus);
  animation: caret 1.05s steps(1) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

/* Nasıl çalışır + demo video */
.how { display: grid; gap: var(--sp-48); align-items: center; }
@media (min-width: 60rem) {
  .how { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(3rem, 6vw, 6rem); }
}
.steps-list { display: grid; gap: var(--sp-24); margin-top: var(--sp-32); list-style: none; counter-reset: step; }
.steps-list li {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 0 var(--sp-16);
  padding-top: var(--sp-24);
  border-top: 1px solid var(--ash);
  counter-increment: step;
}
.steps-list li::before {
  content: counter(step, decimal-leading-zero);
  grid-row: span 2;
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 0.9;
}
.steps-list h3 { font-size: 1.25rem; font-weight: 700; }
.steps-list p { margin-top: 0.35rem; color: var(--charcoal); }

.stage {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(2rem, 5vw, 3.5rem) var(--sp-24);
  border-radius: var(--radius-img);
  background: var(--mist);
  overflow: hidden;
}
.stage .phone { --w: clamp(14rem, 10rem + 12vw, 18.5rem); rotate: 3deg; }
.video-toggle {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  z-index: var(--z-raised);
  min-height: 2.5rem;
}

/* Gizlilik: siyah panel */
.dark-panel {
  position: relative;
  display: grid;
  gap: var(--sp-48);
  padding: clamp(2rem, 5vw, 4rem);
  padding-bottom: 0;
  border-radius: var(--radius-img);
  background: var(--black);
  color: var(--white);
  overflow: hidden;
}
@media (min-width: 60rem) {
  .dark-panel { grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: end; }
}
.dark-panel .section-head { padding-bottom: clamp(2rem, 5vw, 4rem); }
.dark-panel .lead { color: var(--on-black-2); }
.facts { display: grid; gap: var(--sp-24) var(--sp-32); width: 100%; margin-top: var(--sp-16); }
@media (min-width: 36rem) { .facts { grid-template-columns: 1fr 1fr; } }
.facts div { padding-top: var(--sp-16); border-top: 1px solid var(--onyx); }
.facts dt { font-weight: 700; }
.facts dd { margin-top: 0.3rem; color: var(--on-black-2); font-size: 0.95rem; line-height: 1.5; }
.dark-panel .arrow-link { text-decoration-color: var(--white); }
.dark-panel .arrow-link:hover { text-decoration-color: var(--cyan); }
.dark-media { display: flex; justify-content: center; height: clamp(20rem, 12rem + 24vw, 30rem); overflow: hidden; }
.dark-media .phone { --w: clamp(14rem, 10rem + 10vw, 18rem); rotate: -5deg; margin-top: 1.5rem; border: 1px solid var(--onyx); }

/* SSS */
.faq-layout { display: grid; gap: var(--sp-32); }
@media (min-width: 60rem) {
  .faq-layout { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(3rem, 6vw, 6rem); align-items: start; }
  .faq-layout > .section-head { position: sticky; top: calc(var(--header-space) + 1rem); }
}
.qa { border-top: 1px solid var(--ash); }
.qa:last-of-type { border-bottom: 1px solid var(--ash); }
.qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-24);
  padding: 1.15rem 0;
  cursor: pointer;
  list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary h2,
.qa summary h3 { font-size: 1.125rem; font-weight: 700; line-height: 1.35; letter-spacing: 0; }
.qa summary::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1.5px solid var(--black);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1;
  transition: transform 0.3s var(--ease-out), background-color 0.2s;
}
.qa[open] summary::after { transform: rotate(45deg); background: var(--cyan); border-color: var(--cyan); }
.qa-a { max-width: var(--measure); padding-bottom: 1.35rem; color: var(--charcoal); }
.qa-a p + p { margin-top: 0.75rem; }

/* Rehber listesi */
.guide-list { margin-top: clamp(2rem, 4vw, 3rem); list-style: none; }
.guide-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem var(--sp-24);
  padding: 1.5rem 0;
  border-top: 1px solid var(--ash);
}
.guide-row:last-child { border-bottom: 1px solid var(--ash); }
.guide-row h2,
.guide-row h3 { grid-column: 1; font-size: var(--text-h3); font-weight: 700; line-height: 1.15; }
.guide-row a { text-decoration: none; }
.guide-row a::after { content: ""; position: absolute; inset: 0; }
.guide-row p { grid-column: 1; max-width: var(--measure); color: var(--charcoal); }
.guide-row .arrow {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  font-size: 1.2rem;
  transition: background-color 0.2s, color 0.2s, transform 0.3s var(--ease-out);
}
.guide-row:hover .arrow { background: var(--cyan); color: var(--black); transform: translateX(4px); }

/* Kapanış */
.cta { padding-block: var(--section) calc(var(--section) * 1.1); text-align: center; }
.cta-inner { display: grid; justify-items: center; gap: var(--sp-24); }
.cta-icon { width: 96px; height: 96px; border-radius: 22px; box-shadow: var(--shadow-md); }
.cta h2 { max-width: 7.84em; /* = 14ch (Hanken 900), fonttan bağımsız */ }
.cta p { max-width: 32rem; color: var(--charcoal); }

/* ---------- İç sayfalar ---------- */

.page-top { padding-top: calc(var(--header-space) + clamp(1rem, 4vw, 2.5rem)); padding-bottom: clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--ash); }
.page-top .wrap { display: grid; justify-items: start; gap: var(--sp-20); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 0.35rem; list-style: none; color: var(--charcoal); font-size: var(--text-sm); }
.crumbs li + li::before { content: "/"; margin-right: 0.35rem; color: var(--ash); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.page-top h1 { max-width: 10.08em; /* = 18ch (Hanken 900), fonttan bağımsız */ }
.page-intro { max-width: 36rem; font-size: var(--text-lead); color: var(--charcoal); }
.page-meta { color: var(--charcoal); font-size: var(--text-sm); font-weight: 600; }

.article-layout { display: grid; gap: var(--sp-48); padding-block: clamp(2.5rem, 5vw, 4rem) var(--section); }
@media (min-width: 64rem) {
  .article-layout { grid-template-columns: minmax(0, 44rem) minmax(0, 17rem); justify-content: space-between; }
}

.prose { min-width: 0; max-width: 44rem; font-size: 1.0625rem; line-height: 1.6; }
.prose > * + * { margin-top: var(--sp-20); }
.prose h2 {
  margin-top: clamp(2.75rem, 5vw, 3.5rem);
  font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.015em;
  scroll-margin-top: calc(var(--header-space) + 1rem);
}
.prose h2 + * { margin-top: var(--sp-16); }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li + li { margin-top: 0.5rem; }
.prose strong { font-weight: 700; }
.prose a:not(.btn):not(.arrow-link) { text-decoration-color: var(--focus); text-decoration-thickness: 2px; }

.answer {
  display: grid;
  justify-items: start;
  gap: var(--sp-16);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border-radius: var(--radius);
  background: var(--black);
  color: var(--white);
}
.answer p:not(.tag) { font-size: 1.125rem; line-height: 1.6; }
.answer a { color: var(--white); }

.prose .steps { display: grid; gap: 0.9rem; padding: 0; list-style: none; counter-reset: s; }
.prose .steps li { position: relative; margin: 0; padding-left: 2.75rem; counter-increment: s; }
.prose .steps li::before {
  content: counter(s);
  position: absolute;
  top: 0.05rem;
  left: 0;
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
}

.note { display: flex; gap: 0.8rem; padding: 1rem 1.15rem; border-radius: var(--radius); background: var(--mist); color: var(--charcoal); font-size: 0.975rem; }
.note svg { flex: none; width: 1.2rem; height: 1.2rem; margin-top: 0.2rem; }

.prose .shot { margin-block: var(--sp-48); }
.shot .stage { padding-bottom: 0; height: clamp(22rem, 14rem + 22vw, 30rem); place-items: start center; }
.shot .stage .phone { rotate: -3deg; }
.shot figcaption { max-width: 32rem; margin: var(--sp-16) auto 0; color: var(--charcoal); font-size: var(--text-sm); text-align: center; }

.prose .faq-inline { margin-top: clamp(2.75rem, 5vw, 3.5rem); }
.faq-inline h2 { margin-bottom: var(--sp-16); }

.contact { display: grid; justify-items: start; gap: var(--sp-12); padding: clamp(1.5rem, 3vw, 2rem); border-radius: var(--radius); background: var(--mist); }
.contact-email { font-size: clamp(1.4rem, 1.1rem + 1.4vw, 2rem); font-weight: 900; line-height: 1.1; overflow-wrap: anywhere; }

.article-aside { display: none; }
@media (min-width: 64rem) {
  .article-aside { display: block; }
  .aside-inner { position: sticky; top: calc(var(--header-space) + 1rem); display: grid; gap: var(--sp-32); }
}
.toc h2 { font-size: var(--text-label); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.toc ol { display: grid; margin-top: var(--sp-12); list-style: none; border-left: 1px solid var(--ash); }
.toc a { display: block; padding: 0.35rem 0 0.35rem 0.9rem; color: var(--charcoal); font-size: 0.925rem; line-height: 1.4; text-decoration: none; }
.toc a:hover { color: var(--black); }

.app-card { display: grid; justify-items: start; gap: var(--sp-12); padding: 1.35rem; border-radius: var(--radius); background: var(--black); color: var(--white); }
.app-card p { color: var(--on-black-2); font-size: 0.925rem; line-height: 1.5; }
.app-card .btn { margin-top: var(--sp-4); }

.related { padding-bottom: var(--section); }

/* 404 */
.lost { min-height: 80vh; display: grid; align-content: center; padding-block: calc(var(--header-space) + 2rem) 4rem; }
.lost .wrap { display: grid; justify-items: start; gap: var(--sp-24); }
.lost .hero-actions { justify-content: flex-start; gap: var(--sp-24); }

/* ---------- Alt bilgi ---------- */

.site-footer { padding-top: clamp(3.5rem, 6vw, 5rem); background: var(--black); color: var(--white); overflow: hidden; }
.footer-grid { display: grid; gap: var(--sp-48); }
@media (min-width: 52rem) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-brand p { max-width: 22rem; margin-top: var(--sp-16); color: var(--on-black-2); }
.footer-brand .store { margin-top: var(--sp-24); background: var(--onyx); }
.footer-brand .store:hover { background: #3a3a3a; }
.footer-col h2 { font-size: var(--text-label); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--on-black-2); }
.footer-col ul { display: grid; gap: 0.6rem; margin-top: var(--sp-16); list-style: none; }
.footer-col a { color: var(--white); text-decoration: none; overflow-wrap: anywhere; }
.footer-col a:hover { text-decoration: underline 2px var(--cyan); text-underline-offset: 0.3em; }
.footer-legal { margin-top: clamp(2.5rem, 5vw, 3.5rem); padding-block: var(--sp-24); border-top: 1px solid var(--onyx); color: var(--on-black-2); font-size: var(--text-sm); }
/* Dev kelime işareti: dekoratif, ekran okuyuculardan gizli */
.wordmark {
  margin: 0 0 -0.18em;
  color: var(--white);
  font-size: clamp(3rem, 0.5rem + 12.5vw, 11.5rem);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.03em;
  text-align: center;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- Hareket ve fütüristik katman ----------
   Kurallar: yalnız transform/opacity/background-position canlandırılır; eğik telefonların
   kendisi canlandırılmaz (Chromium döndürülmüş telefon katmanlarını zaman zaman siyah
   çiziyordu). İçerik hiçbir zaman yalnız animasyona bağlı görünmez: JS yoksa ya da hareket
   azaltma açıksa her şey baştan görünür durur. */

/* Hero: ince teknoloji ızgarası, ortası açık kenarlara doğru kaybolur */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgb(10 19 47 / 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgb(10 19 47 / 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 32%, #000 15%, transparent 72%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 32%, #000 15%, transparent 72%);
  pointer-events: none;
}

/* Hero başlığı: her kelime kendi maskesinden yukarı kayarak açılır */
.words .w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-bottom: 0.08em;
  margin-bottom: -0.08em;
}
.words .w > span { display: inline-block; }
@media (prefers-reduced-motion: no-preference) {
  .words .w > span { animation: word-up 0.9s var(--ease-out) both; }
  .words .w:nth-child(2) > span { animation-delay: 0.05s; }
  .words .w:nth-child(3) > span { animation-delay: 0.1s; }
  .words .w:nth-child(4) > span { animation-delay: 0.15s; }
  .words .w:nth-child(5) > span { animation-delay: 0.2s; }
  .words .w:nth-child(6) > span { animation-delay: 0.25s; }
  .words .w:nth-child(7) > span { animation-delay: 0.3s; }
  .words .w:nth-child(8) > span { animation-delay: 0.35s; }
  .hero .news { animation: fade-up 0.8s var(--ease-out) both; }
}
@keyframes word-up { from { transform: translateY(105%); } }

/* Ortadaki telefonda periyodik "yapay zekâ taraması": ekranı yukarıdan aşağı geçen ışın.
   Telefonun kendisi değil, yalnız üstündeki katmanın arka plan konumu canlanır. */
.fan .phone:nth-child(3)::after,
.stage .phone::after {
  content: "";
  position: absolute;
  inset: calc(var(--w) * 0.03);
  border-radius: calc(var(--w) * 0.088);
  background: linear-gradient(180deg,
    rgb(0 198 251 / 0) 0%, rgb(0 198 251 / 0) 40%,
    rgb(0 198 251 / 0.22) 48.6%, rgb(220 248 255 / 0.95) 50%, rgb(0 198 251 / 0) 50.4%,
    rgb(0 198 251 / 0) 100%) no-repeat;
  background-size: 100% 250%;
  background-position: 0 100%;
  pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .fan .phone:nth-child(3)::after { animation: scan 4.6s ease-in-out 1.2s infinite; }
  .stage .phone::after { animation: scan 5.4s ease-in-out 0.6s infinite; }
}
@keyframes scan {
  0% { background-position: 0 100%; }
  55%, 100% { background-position: 0 0; }
}

/* Telefonların etrafında süzülen durum etiketleri */
.fan { position: relative; }
.chip {
  position: absolute;
  z-index: 3;
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-pill);
  background: var(--black);
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 10px 30px -12px rgb(0 0 0 / 0.45);
}
.chip i, .pulse {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}
@media (min-width: 60rem) {
  .chip { display: inline-flex; }
  .chip--a { top: 2.5rem; left: calc(50% - 31rem); }
  .chip--b { top: 7rem; right: calc(50% - 30rem); }
  .chip--c { top: 15rem; left: calc(50% - 25rem); }
}
@media (prefers-reduced-motion: no-preference) {
  .chip { animation: float 5.5s ease-in-out infinite alternate; }
  .chip--b { animation-delay: -2s; }
  .chip--c { animation-delay: -3.6s; }
  .chip i, .pulse { animation: pulse 1.8s ease-out infinite; }
}
@keyframes float { from { transform: translateY(6px); } to { transform: translateY(-8px); } }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgb(0 198 251 / 0.65); }
  70%, 100% { box-shadow: 0 0 0 9px rgb(0 198 251 / 0); }
}

/* Ana düğmede ışık süzülmesi: üzerine gelince, hero'dakinde ayrıca ara ara kendiliğinden */
.btn-primary { position: relative; overflow: hidden; isolation: isolate; }
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgb(255 255 255 / 0.38) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.8s var(--ease-out);
}
.btn-primary:hover::after { transform: translateX(120%); }
@media (prefers-reduced-motion: no-preference) {
  .hero-actions .btn-primary::after { animation: shine 5s ease-in-out 2.4s infinite; }
}
@keyframes shine {
  0% { transform: translateX(-120%); }
  22%, 100% { transform: translateX(120%); }
}

/* Kayan arama şeridi: gerçek arama örnekleri, düz ve çerçeve yazı sırayla */
.ticker { overflow: hidden; padding-block: 1.1rem; background: var(--black); color: var(--white); }
.ticker-track { display: flex; width: max-content; }
.ticker-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-right: 2rem;
  list-style: none;
  font-size: clamp(1.25rem, 0.95rem + 1.3vw, 2.1rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ticker-list li { display: inline-flex; align-items: center; gap: 2rem; }
.ticker-list li:nth-child(even) { color: transparent; -webkit-text-stroke: 1.2px var(--white); }
.ticker-list li::after {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 2px;
  background: var(--cyan);
}
@media (prefers-reduced-motion: no-preference) {
  .ticker-track { animation: ticker 42s linear infinite; }
  .ticker:hover .ticker-track { animation-play-state: paused; }
}
@keyframes ticker { to { transform: translateX(-50%); } }

/* Canlı arama demosu */
.ai-search { display: grid; gap: var(--sp-12); width: min(100%, 26rem); }
.ai-search .search-demo { width: 100%; }
.ai-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-8); list-style: none; }
.ai-grid li {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--mist);
  outline: 3px solid transparent;
  outline-offset: -3px;
  transition: opacity 0.4s var(--ease-out), filter 0.4s var(--ease-out), outline-color 0.3s;
}
.ai-grid img { width: 100%; height: 100%; object-fit: cover; }
.ai-grid li.is-dim { opacity: 0.32; filter: grayscale(1); }
.ai-grid li.is-match { outline-color: var(--cyan); }
/* "Match" etiketi */
.ai-grid li::after {
  content: "Match";
  position: absolute;
  left: 6px;
  bottom: 6px;
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-pill);
  background: var(--black);
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 700;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s, transform 0.3s var(--ease-out);
}
.ai-grid li.is-match::after { opacity: 1; transform: none; }
/* Eşleşen karede bir kez geçen tarama ışını */
.ai-grid li::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgb(0 198 251 / 0) 0%, rgb(0 198 251 / 0) 38%,
    rgb(0 198 251 / 0.4) 49%, rgb(230 250 255 / 0.95) 50%, rgb(0 198 251 / 0) 51%) no-repeat;
  background-size: 100% 220%;
  background-position: 0 100%;
  opacity: 0;
  pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
  .ai-grid li.is-scan::before { animation: tile-scan 0.9s var(--ease-out); }
}
@keyframes tile-scan {
  0% { background-position: 0 100%; opacity: 1; }
  100% { background-position: 0 0; opacity: 1; }
}
.ai-status { display: flex; align-items: center; gap: 0.55rem; color: var(--charcoal); font-size: var(--text-sm); font-weight: 600; }

/* Gizlilik paneli: imleci izleyen ışık + ince ızgara */
.dark-panel > * { position: relative; z-index: 1; }
.dark-panel::before,
.dark-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.dark-panel::before {
  background: radial-gradient(30rem circle at var(--mx, 72%) var(--my, 30%), rgb(0 198 251 / 0.2), rgb(110 91 255 / 0.08) 40%, transparent 65%);
}
.dark-panel::after {
  background-image:
    linear-gradient(rgb(255 255 255 / 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 75% 35%, #000 10%, transparent 70%);
  mask-image: radial-gradient(ellipse 60% 70% at 75% 35%, #000 10%, transparent 70%);
}

/* Kaydırınca beliren öğeler: başlangıç durumu YALNIZ JS ekranın altındaki öğelere
   .rv eklediğinde uygulanır; ekrandakiler ve JS'siz ortam her zaman görünür kalır. */
.rv { opacity: 0; transform: translateY(26px); filter: blur(6px); }
.rv.rv-in {
  opacity: 1;
  transform: none;
  filter: none;
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out), filter 0.85s var(--ease-out);
}

/* ---------- Hareket azaltma ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .search-demo-text::after { animation: none; }
}