/* ═══════════════════════════════════════════════════════════════
   MORPHEUS® — Sinematik monokrom tema (v4)
   Tipografi : Hanken Grotesk (başlık) + Inter (gövde)
   İmza öğesi: ürünün arkasındaki ince ışıklı halka (vakum haznesi
               ve daraltma halkasının görsel yankısı)
   ═══════════════════════════════════════════════════════════════ */

/* ── Design token'lar ─────────────────────────────────────────── */
:root {
  --bg:       #050506;
  --bg-2:     #0b0b0d;
  --surface:  rgba(255, 255, 255, .035);
  --surface-2:rgba(255, 255, 255, .06);
  --line:     rgba(255, 255, 255, .09);
  --line-2:   rgba(255, 255, 255, .16);
  --text:     #f4f5f7;
  --muted:    #a3a7af;
  --dim:      #71747c;
  --light-bg: #f3f4f6;
  --light-text:#0b0b0d;
  --light-muted:#4c4f56;

  --font-display: "Hanken Grotesk", "Inter", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;

  --radius:    20px;
  --radius-lg: 28px;
  --container: 1200px;
  --sec-pad:   clamp(88px, 12vw, 150px);
  --ease:      cubic-bezier(.22, .61, .21, 1);
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: rgba(255,255,255,.9); color: #0a0a0a; }

/* Klavye odağı */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 200;
  background: #fff; color: #000; padding: 10px 18px; border-radius: 8px;
  font-weight: 600; font-size: 14px;
}
.skip-link:focus { left: 8px; }

.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
.container.narrow { max-width: 780px; }

/* ── Tipografi ────────────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -.02em; }

h2 {
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--text);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 600;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 22px;
}
.eyebrow-ring {
  width: 14px; height: 14px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.55);
  box-shadow: 0 0 12px rgba(255,255,255,.35);
  flex: none;
}

.section-lead {
  max-width: 560px;
  margin-top: 20px;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
}

.section-head { text-align: center; margin-bottom: clamp(48px, 7vw, 80px); }
.section-head .section-lead { margin-inline: auto; }
.section-head.left { text-align: left; margin-bottom: 40px; }
.section-head.left .section-lead { margin-inline: 0; }

/* ── Butonlar ─────────────────────────────────────────────────── */
.btn {
  position: relative;
  white-space: nowrap;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 14px 30px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 15px; font-weight: 600; letter-spacing: .01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
              background-color .25s var(--ease), border-color .25s var(--ease);
  touch-action: manipulation;
  overflow: hidden;
}
.btn svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: scale(.97); }

.btn-solid {
  background: #fff; color: #08080a;
  box-shadow: 0 0 0 0 rgba(255,255,255,0);
}
.btn-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(255,255,255,.25), 0 2px 12px rgba(255,255,255,.18);
}
/* buton üzerinde kayan parlama */
.btn-solid::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(0,0,0,.08) 50%, transparent 70%);
  transform: translateX(-110%);
  transition: transform .6s var(--ease);
}
.btn-solid:hover::after { transform: translateX(110%); }

.btn-ghost {
  border: 1px solid var(--line-2);
  color: var(--text);
  background: rgba(255,255,255,.02);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.06);
  transform: translateY(-2px);
}

.btn-sm { min-height: 42px; padding: 9px 22px; font-size: 14px; }
.btn-block { width: 100%; margin-top: auto; }

.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 15px;
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 3px;
  transition: border-color .2s, gap .25s var(--ease);
}
.text-link svg { width: 16px; height: 16px; }
.text-link:hover { border-color: #fff; gap: 12px; }

/* ── Header / Nav ─────────────────────────────────────────────── */
/* Header sabittir: kaydırınca yalnız cam zemin gelir — çizgi yok, küçülme yok */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color .35s, backdrop-filter .35s;
}
.site-header.is-scrolled {
  background: rgba(5, 5, 6, .72);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 84px; gap: 24px;
}

.nav-logo img {
  width: 196px; height: auto;
  filter: drop-shadow(0 0 18px rgba(255,255,255,.12));
}

/* Masaüstü: bağlantılar cam bir hap içinde */
@media (min-width: 861px) {
  .nav-links {
    display: flex; gap: 2px;
    padding: 5px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.035);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
  }
}
.nav-links a {
  display: block; padding: 9px 16px;
  font-size: 13.5px; font-weight: 500; color: var(--muted);
  border-radius: 999px;
  letter-spacing: .01em;
  transition: color .2s, background-color .25s var(--ease);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.07); }
.nav-links a.is-active { color: #fff; background: rgba(255,255,255,.1); }

.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-burger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column; align-items: center; justify-content: center; gap: 7px;
}
.nav-burger span {
  width: 22px; height: 1.6px; background: #fff;
  transition: transform .3s var(--ease), opacity .3s;
}
.nav-burger[aria-expanded="true"] span:first-child { transform: translateY(4.3px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:last-child  { transform: translateY(-4.3px) rotate(-45deg); }

/* ── HERO ─────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-start;
  padding: clamp(104px, 12vh, 132px) 0 clamp(40px, 6vh, 60px);
  overflow: hidden;
  /* Tam siyah zemin — GIF (mix-blend: screen) kusursuz kaynaşır */
  background: #000;
}

/* Sinematik düzen: ortalanmış manşet, altında tam görünür ürün sahnesi */
.hero-inner {
  position: relative;
  z-index: 4;
  max-width: 960px;
  text-align: center;
}
.hero-sub { margin-inline: auto; }
.hero-actions { justify-content: center; }

/* Güven şeridi: kanıt çipleri + market rozeti tek hizada (animasyonun altında) */
.hero-meta {
  position: relative; z-index: 4;
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center;
  gap: 12px 0;
  margin-top: clamp(14px, 2.5vh, 30px);
}

/* "Kontrol sizde." — ikinci satır, gümüş ton */
.hero-soft { color: var(--muted); }

/* ── Ürün sahnesi: saf siyah zemin, yalnızca ürün ───────────── */
.hero-stage {
  position: relative; z-index: 2;
  width: 100%;
  flex: 0 1 auto;
  min-height: clamp(200px, 32vh, 380px);
  margin-top: clamp(2px, 1.4vh, 14px);
  display: grid; place-items: center;
  pointer-events: none;
  opacity: 0;
  animation: stage-in 1.5s var(--ease) .8s forwards;
}
@keyframes stage-in {
  from { opacity: 0; transform: translateY(52px) scale(.965); filter: blur(16px); }
  to   { opacity: 1; transform: none;                          filter: blur(0); }
}

/* Sahne çekirdeği: yalnız GIF; JS paralaksı bunu oynatır */
.stage-core {
  position: relative; z-index: 2;
  width: min(820px, 90vw);
  will-change: transform;
}
#hero-gif {
  width: 100%;
  mix-blend-mode: screen;   /* saf siyah zemin kaybolur, ürün sahnede yüzer */
  filter: drop-shadow(0 36px 70px rgba(0,0,0,.8));
  animation: product-float 7s ease-in-out infinite alternate;
}
@keyframes product-float {
  from { transform: translateY(-7px); }
  to   { transform: translateY(7px); }
}
/* Kenar vinyeti: GIF'in kenarları siyaha erir — sahneye derinlik katar */
.stage-core::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 60% 58% at 50% 50%,
    transparent 55%, rgba(0,0,0,.45) 82%, rgba(0,0,0,.85) 100%);
}

/* ── Yüklenme koreografisi ── */
@keyframes rise-in {
  from { opacity: 0; transform: translateY(34px); filter: blur(10px); }
  to   { opacity: 1; transform: none;             filter: blur(0); }
}
.intro,
.hero-title .w {
  opacity: 0;
  animation: rise-in .9s var(--ease) forwards;
  animation-delay: calc(var(--i, 0) * 95ms + 120ms);
}
.hero-title .w { display: inline-block; }
.hero-title .line { display: block; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 20px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 12.5px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 34px;
}
.hero-badge svg { width: 16px; height: 16px; color: #fff; }

.hero-title {
  font-size: clamp(42px, 6.6vw, 92px);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -.04em;
}
.hero-title sup { font-size: .32em; font-weight: 400; letter-spacing: 0; }

/* H1 içindeki küçük marka satırı */
.hero-kicker {
  display: block;
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}
.hero-kicker sup { font-size: .6em; }

/* "İlaçsız" — üzerinde ışık gezinen vurgu (satır içi; rise-in'i parent .w yapar) */
.hero-em {
  font-style: normal;
  background: linear-gradient(100deg,
    #8f939b 0%, #ffffff 35%, #f2f3f5 50%, #8f939b 75%, #ffffff 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6s linear 1.6s infinite;
}
@keyframes shimmer {
  from { background-position: 0% 0; }
  to   { background-position: -220% 0; }
}

.hero-sub {
  max-width: 52ch;
  margin-top: 26px;
  color: var(--muted);
  font-size: clamp(15px, 1.8vw, 17.5px);
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-top: 38px;
}

/* Ana CTA nefes alan ışıma */
.btn-pulse { animation: btn-breathe 3.2s ease-in-out 2s infinite; }
@keyframes btn-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
  50%      { box-shadow: 0 6px 34px rgba(255,255,255,.28), 0 0 70px rgba(255,255,255,.10); }
}

/* ── İki versiyon seçici: premium cam kartlar ── */
.hero-versions { margin-top: clamp(20px, 3vh, 30px); }

/* Başlık: iki yanında zarif hairline çizgiler */
.hv-title {
  display: flex; align-items: center; justify-content: center;
  gap: clamp(12px, 2.5vw, 22px);
  font-size: clamp(12.5px, 1.4vw, 14.5px);
  font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--dim); margin-bottom: 20px;
}
.hv-title sup { font-size: .6em; }
.hv-title::before, .hv-title::after {
  content: ""; height: 1px; flex: 0 0 clamp(28px, 6vw, 72px);
}
.hv-title::before { background: linear-gradient(90deg, transparent, rgba(255,255,255,.28)); }
.hv-title::after  { background: linear-gradient(90deg, rgba(255,255,255,.28), transparent); }

/* Tek parça segmentli seçici — mobil dahil her genişlikte yan yana */
.hv-seg {
  display: flex; align-items: stretch;
  width: min(100%, 640px);
  margin-inline: auto;
  border: 1px solid var(--line-2);
  border-radius: 22px;
  background: rgba(255,255,255,.028);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  overflow: hidden;
  animation: seg-breathe 4.5s ease-in-out 2s infinite;
}
@keyframes seg-breathe {
  0%, 100% { box-shadow: 0 0 0 rgba(255,255,255,0); }
  50%      { box-shadow: 0 14px 54px -18px rgba(255,255,255,.16); }
}

.hv-cell {
  position: relative;
  flex: 1 1 0; min-width: 0;
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  padding: 20px 16px 18px;
  color: var(--text);
  transition: background-color .3s var(--ease);
}
.hv-cell + .hv-cell { border-left: 1px solid var(--line); }
.hv-cell:hover { background: rgba(255,255,255,.05); }

/* Alt gösterge çizgisi: hover'da çizilir */
.hv-cell::after {
  content: "";
  position: absolute; left: 18%; right: 18%; bottom: 0;
  height: 2px; border-radius: 2px;
  background: #fff;
  box-shadow: 0 0 14px rgba(255,255,255,.7);
  transform: scaleX(0);
  transition: transform .35s var(--ease);
}
.hv-cell:hover::after { transform: scaleX(1); }

/* Üst satır: ikon + isim + ok */
.hv-top {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 20px); font-weight: 700; letter-spacing: -.01em;
  color: #fff; white-space: nowrap;
}
.hv-top > svg { width: 18px; height: 18px; color: var(--muted); flex: none; }
.hv-cell:hover .hv-top > svg { color: #fff; }

.hv-go {
  width: 28px; height: 28px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  border: 1px solid var(--line-2);
  color: #fff;
  animation: hv-bounce 2.6s var(--ease) infinite;
  transition: background-color .3s var(--ease), color .3s var(--ease),
              border-color .3s var(--ease), transform .3s var(--ease);
}
.hv-cell:last-child .hv-go { animation-delay: .35s; }
.hv-go svg { width: 14px; height: 14px; }
@keyframes hv-bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}
.hv-cell:hover .hv-go {
  animation-play-state: paused;
  background: #fff; color: #08090a; border-color: #fff;
  transform: translateY(3px);
}

.hv-hint {
  font-size: 12px; line-height: 1.5;
  color: var(--dim);
  max-width: 30ch;
}

/* Ok hedefleri sabit menünün altında dursun */
#model-elektronik, #model-manuel { scroll-margin-top: 110px; }

/* Güven şeridi: ince dikey ayraçlarla tek satırlık imza — kutu/rozet yok */
.hm-row {
  display: inline-flex;
  align-items: center;
  margin: 0;
}
.hm-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0 clamp(14px, 2.4vw, 26px);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dim);
  font-weight: 500;
}
.hm-item + .hm-item { border-left: 1px solid var(--line); }
/* Masaüstünde iki satır tek çizgide birleşir; aradaki ayraç da çizilir */
.hm-row + .hm-row .hm-item:first-child { border-left: 1px solid var(--line); }

/* Güvenli sipariş: beyaz logo doğrudan zeminde, aynı satırın parçası */
.hero-market { transition: color .25s; }
.hero-market img { display: block; height: 16px; width: auto; opacity: .8; transition: opacity .25s; }
.hero-market:hover { color: var(--muted); }
.hero-market:hover img { opacity: 1; }

.hero-scroll {
  position: absolute; left: 50%; bottom: 26px;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1.5px solid var(--line-2);
  border-radius: 999px;
  display: flex; justify-content: center;
}
.hero-scroll span {
  width: 3px; height: 8px; border-radius: 3px;
  background: #fff; margin-top: 8px;
  animation: scroll-hint 2.2s var(--ease) infinite;
}
@keyframes scroll-hint {
  0%   { transform: translateY(0);    opacity: 1; }
  70%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0);    opacity: 0; }
}

/* ── Manifesto + Tanıtım filmi (sinema) ───────────────────────── */
.cinema {
  position: relative;
  padding: calc(var(--sec-pad) * .8) 0 var(--sec-pad);
  text-align: center;
  overflow: hidden;
  /* Hero'nun saf siyah sahnesine kesintisiz bağlanır, altta gövde rengine döner */
  background: linear-gradient(180deg, #000 0%, #000 55%, var(--bg) 100%);
}
/* Hero'dan süzülüp gelen tepe ışıması */
.cinema-spill {
  position: absolute; left: 0; right: 0; top: -12%; height: 55%;
  background: radial-gradient(ellipse 46% 52% at 50% 0%, rgba(255,255,255,.07), transparent 70%);
  pointer-events: none;
}
.manifesto-text {
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 48px);
  font-weight: 400;
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--muted);
}
.manifesto-text em {
  font-style: normal; font-weight: 500; color: #fff;
  text-shadow: 0 0 30px rgba(255,255,255,.35);
}
.manifesto-sub {
  max-width: 62ch;
  margin: clamp(18px, 2.6vw, 26px) auto 0;
  font-size: clamp(14px, 1.7vw, 16.5px);
  line-height: 1.65;
  color: var(--muted);
}

/* Video kabuğu: ışık halesi + sinematik çerçeve */
.video-wrap {
  position: relative;
  max-width: 960px;
  margin: clamp(36px, 5vw, 60px) auto 0;
}
.video-wrap::before {
  content: "";
  position: absolute; inset: -10% -14%;
  background: radial-gradient(ellipse 58% 72% at 50% 50%, rgba(255,255,255,.11), transparent 66%);
  filter: blur(28px);
  pointer-events: none;
}
.video-shell {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--line-2);
  overflow: hidden;
  background: #000;
  box-shadow: 0 60px 140px -50px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.08);
}
.video-shell iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Poster: tıklanana kadar görünen yüz */
.video-poster { position: absolute; inset: 0; width: 100%; display: block; cursor: pointer; }
.video-poster img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.video-poster:hover img { transform: scale(1.035); }
.video-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(0deg, rgba(0,0,0,.6), transparent 42%),
    radial-gradient(ellipse at center, rgba(0,0,0,.05), rgba(0,0,0,.42) 100%);
}

/* Oynat düğmesi: beyaz disk + yayılan sonar halkası */
.play-btn {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: clamp(64px, 9vw, 88px); aspect-ratio: 1;
  border-radius: 50%;
  display: grid; place-items: center;
  background: #fff; color: #08090a;
  box-shadow: 0 20px 60px rgba(0,0,0,.55);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.play-btn svg { width: 44%; height: 44%; margin-left: 7%; }
.play-ring {
  position: absolute; inset: -13px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.55);
  animation: play-pulse 2.4s var(--ease) infinite;
}
@keyframes play-pulse {
  0%   { transform: scale(.8);  opacity: 0; }
  35%  { opacity: .85; }
  100% { transform: scale(1.28); opacity: 0; }
}
.video-poster:hover .play-btn {
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 26px 80px rgba(255,255,255,.28);
}

/* Geliştirici imzası: doktor portresi + unvan + Morpheus logosu */
.dev-credit {
  display: flex; align-items: center; justify-content: center;
  gap: clamp(16px, 3vw, 28px);
  margin-top: clamp(30px, 4.5vw, 48px);
}
.dev-photo {
  flex: 0 0 auto;
  width: clamp(64px, 8vw, 80px); height: clamp(64px, 8vw, 80px);
  border-radius: 50%;
  object-fit: cover; object-position: 50% 12%;
  border: 1px solid var(--line-2);
  background: #101012;   /* şeffaf kenarlar koyu zeminde erisin */
  box-shadow: 0 0 30px rgba(255,255,255,.08);
}
.dev-text {
  display: flex; flex-direction: column; gap: 2px;
  text-align: left;
}
.dev-kicker {
  font-size: 11px; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--dim);
}
.dev-text strong {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 19px); font-weight: 600;
  letter-spacing: -.01em; color: #fff;
}
.dev-sub { font-size: 13px; color: var(--muted); }
.dev-divider { width: 1px; height: 48px; background: var(--line); }
.dev-logo {
  width: clamp(210px, 26vw, 330px); height: auto;
  opacity: .9;
}

/* Sol alt köşe etiketi */
.video-caption {
  position: absolute;
  left: clamp(16px, 3vw, 28px); bottom: clamp(14px, 2.6vw, 24px);
  display: flex; flex-direction: column; gap: 3px;
  text-align: left;
}
.video-caption strong {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.8vw, 17px); font-weight: 600; color: #fff;
}
.video-caption span {
  font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255,255,255,.55);
}

/* ── Bölüm iskeleti ───────────────────────────────────────────── */
.section { padding: var(--sec-pad) 0; }
.section-tight { padding-top: calc(var(--sec-pad) * .7); }

/* ── Kart ızgaraları ──────────────────────────────────────────── */
.card-grid { display: grid; gap: 18px; }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.glass-card {
  padding: 34px 28px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface-2), var(--surface) 55%);
  border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
}
.glass-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-2);
  box-shadow: 0 24px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.04);
}
.glass-card h3 { font-size: 19px; margin: 20px 0 10px; }
.glass-card p { font-size: 14.5px; color: var(--muted); }

.card-icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 14px;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,.04);
  box-shadow: inset 0 0 20px rgba(255,255,255,.03);
  transition: box-shadow .35s, border-color .35s;
}
.card-icon svg { width: 26px; height: 26px; color: #fff; }
.glass-card:hover .card-icon {
  border-color: rgba(255,255,255,.35);
  box-shadow: inset 0 0 20px rgba(255,255,255,.06), 0 0 24px rgba(255,255,255,.12);
}

/* ── Canlı anlatım kartları (Ne İşe Yarar) ─────────────────────
   Her kartın üstünde konsepti tarif eden mini animasyon sahnesi. */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.feature-card { padding-top: 0; }

/* Sahne: kartın üst kenarına taşan, ince çizgiyle ayrılan alan */
.demo {
  position: relative;
  height: 150px;
  margin: 0 -28px 24px;
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0;
  display: grid; place-items: center;
  overflow: hidden;
  background: radial-gradient(70% 90% at 50% 0%, rgba(255,255,255,.045), transparent 72%);
}
.feature-card:hover .demo { border-bottom-color: var(--line-2); }

/* 1 · İlaçsız Çalışır: kapsül belirir, etrafına yasak halkası çizilir,
   çapraz çizgi üstünden geçer ve kapsül söner */
.demo-pill svg {
  width: 100px; height: 100px;
  overflow: visible;
}
.demo-pill .cap {
  transform: rotate(-24deg);
  transform-origin: 50px 50px;
  animation: cap-dim 5.4s var(--ease) infinite;
}
.demo-pill .cap-body {
  fill: none;
  stroke: rgba(255,255,255,.9);
  stroke-width: 3;
}
.demo-pill .cap-div {
  stroke: rgba(255,255,255,.9);
  stroke-width: 3;
}
@keyframes cap-dim {
  0%        { opacity: 0; transform: rotate(-24deg) scale(.7); }
  12%, 40%  { opacity: 1; transform: rotate(-24deg) scale(1); }
  54%, 84%  { opacity: .25; transform: rotate(-24deg) scale(1); }
  94%, 100% { opacity: 0; transform: rotate(-24deg) scale(.96); }
}
.demo-pill .ban-ring {
  fill: none;
  stroke: #fff;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 270;
  stroke-dashoffset: 270;
  transform: rotate(-90deg);
  transform-origin: 50px 50px;
  filter: drop-shadow(0 0 6px rgba(255,255,255,.4));
  animation: ban-ring 5.4s var(--ease) infinite;
}
@keyframes ban-ring {
  0%, 14%   { stroke-dashoffset: 270; opacity: 1; }
  42%, 84%  { stroke-dashoffset: 0; opacity: 1; }
  94%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
.demo-pill .ban-slash {
  stroke: #fff;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 85;
  stroke-dashoffset: 85;
  filter: drop-shadow(0 0 8px rgba(255,255,255,.5));
  animation: ban-slash 5.4s var(--ease) infinite;
}
@keyframes ban-slash {
  0%, 40%   { stroke-dashoffset: 85; opacity: 1; }
  54%, 84%  { stroke-dashoffset: 0; opacity: 1; }
  94%, 100% { stroke-dashoffset: 0; opacity: 0; }
}

/* 2 · Sertliği Başlatır ve Korur: içerideki çizgi inik ve hafif eğik başlar;
   vakumla düzelir, uzar ve hafifçe kalınlaşır. Tabandaki halka sonda parlar. */
.demo-tube .tube {
  position: relative;
  width: 168px; height: 46px;
  border: 1.5px solid rgba(255,255,255,.5);
  border-radius: 999px;
  overflow: hidden;
  animation: tube-vac 6s var(--ease) infinite;
}
@keyframes tube-vac {
  0%, 12%   { border-color: rgba(255,255,255,.45); box-shadow: none; }
  26%, 46%  { border-color: rgba(255,255,255,.85);
              box-shadow: inset 0 0 24px rgba(255,255,255,.12), 0 0 18px rgba(255,255,255,.1); }
  72%, 100% { border-color: rgba(255,255,255,.45); box-shadow: none; }
}
.demo-tube .rod {
  position: absolute; left: 14px; top: calc(50% - 1.5px);
  width: 126px; height: 3px; border-radius: 99px;
  background: linear-gradient(90deg, rgba(255,255,255,.95), rgba(255,255,255,.6));
  transform-origin: left center;
  transform: rotate(11deg) scaleX(.5) scaleY(.65);
  animation: rod-rise 6s var(--ease) infinite;
}
@keyframes rod-rise {
  0%, 12%   { transform: rotate(11deg) scaleX(.5) scaleY(.65); opacity: .6; box-shadow: none; }
  38%       { transform: rotate(-1.5deg) scaleX(1.02) scaleY(1.25); opacity: 1; }
  46%, 82%  { transform: rotate(0deg) scaleX(1) scaleY(1.4); opacity: 1;
              box-shadow: 0 0 12px rgba(255,255,255,.55); }
  94%, 100% { transform: rotate(11deg) scaleX(.5) scaleY(.65); opacity: .6; box-shadow: none; }
}
.demo-tube .flow { /* vakum anında içeri süzülen hava çizgileri */
  position: absolute; left: 20px; top: calc(50% - 1px);
  width: 12px; height: 2px; border-radius: 2px;
  background: rgba(255,255,255,.55);
  opacity: 0;
  animation: flow-drift 6s linear infinite;
}
.demo-tube .f2 { top: calc(50% - 10px); animation-delay: .3s; }
.demo-tube .f3 { top: calc(50% + 8px);  animation-delay: .6s; }
@keyframes flow-drift {
  0%, 14%   { opacity: 0; transform: translateX(0); }
  20%       { opacity: .85; }
  36%       { opacity: .5; }
  44%, 100% { opacity: 0; transform: translateX(118px); }
}
.demo-tube .ringo {
  position: absolute;
  left: calc(50% - 84px - 13px); top: calc(50% - 13px);
  width: 26px; height: 26px;
  border: 2.5px solid #fff;
  border-radius: 50%;
  opacity: .25;
  animation: ring-on 6s var(--ease) infinite;
}
@keyframes ring-on {
  0%, 44%   { opacity: .25; box-shadow: none; }
  54%, 84%  { opacity: 1; box-shadow: 0 0 18px rgba(255,255,255,.75); }
  94%, 100% { opacity: .25; box-shadow: none; }
}

/* 3 · Kanıtlanmış Yaklaşım: halka büyük çoğunluğa kadar dolar, onay işareti çizilir */
.demo-proof svg {
  width: 100px; height: 100px;
  transform: rotate(-90deg);
  overflow: visible;
}
.demo-proof .track {
  fill: none;
  stroke: rgba(255,255,255,.12);
  stroke-width: 5;
}
.demo-proof .arc {
  fill: none;
  stroke: #fff;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 264;
  stroke-dashoffset: 264;
  filter: drop-shadow(0 0 6px rgba(255,255,255,.4));
  animation: proof-arc 6.5s var(--ease) infinite;
}
@keyframes proof-arc {
  0%, 8%    { stroke-dashoffset: 264; }
  46%, 84%  { stroke-dashoffset: 29; }  /* ≈ %89 — büyük çoğunluk */
  96%, 100% { stroke-dashoffset: 264; }
}
.demo-proof .check {
  fill: none;
  stroke: #fff;
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 52;
  stroke-dashoffset: 52;
  transform: rotate(90deg);            /* svg -90° döndü; işareti dik tut */
  transform-origin: 50px 50px;
  filter: drop-shadow(0 0 8px rgba(255,255,255,.5));
  animation: proof-check 6.5s var(--ease) infinite;
}
@keyframes proof-check {
  0%, 42%   { stroke-dashoffset: 52; }
  58%, 86%  { stroke-dashoffset: 0; }
  96%, 100% { stroke-dashoffset: 52; }
}

/* 4 · Güvenlik Önce Gelir: ibre limite dayanır, valf tahliye eder, ibre düşer */
.demo-gauge .gauge-wrap {
  position: relative;
  width: 150px; height: 82px;
  overflow: hidden;
}
.demo-gauge .dial {
  position: absolute; left: 3px; bottom: -72px;
  width: 144px; height: 144px;
  border: 1.5px solid rgba(255,255,255,.35);
  border-radius: 50%;
}
.demo-gauge .gauge-wrap::after { /* ibre mili */
  content: "";
  position: absolute; left: calc(50% - 5px); bottom: -5px;
  width: 10px; height: 10px; border-radius: 50%;
  background: #fff;
}
.demo-gauge .tick { /* güvenlik limiti işareti */
  position: absolute; left: calc(50% - 1px); bottom: 0;
  width: 2px; height: 72px;
  transform-origin: bottom center;
  transform: rotate(62deg);
  background: linear-gradient(to top, transparent 72%, rgba(255,255,255,.9) 72%);
}
.demo-gauge .needle {
  position: absolute; left: calc(50% - 1.5px); bottom: 0;
  width: 3px; height: 60px; border-radius: 3px;
  background: #fff;
  box-shadow: 0 0 10px rgba(255,255,255,.5);
  transform-origin: bottom center;
  animation: needle-swing 5.5s var(--ease) infinite;
}
@keyframes needle-swing {
  0%, 8%  { transform: rotate(-64deg); }
  34%     { transform: rotate(56deg); }
  40%     { transform: rotate(61deg); }  /* limite dayanır */
  46%     { transform: rotate(58deg); }
  52%     { transform: rotate(14deg); }  /* valf tahliye etti */
  62%     { transform: rotate(20deg); }
  86%, 100% { transform: rotate(-64deg); }
}
.demo-gauge .puff { /* tahliye anındaki halka */
  position: absolute; right: 8px; bottom: 36px;
  width: 16px; height: 16px;
  border: 1.5px solid #fff;
  border-radius: 50%;
  opacity: 0;
  animation: puff-out 5.5s var(--ease) infinite;
}
@keyframes puff-out {
  0%, 40%   { opacity: 0; transform: scale(.4); }
  46%       { opacity: .9; transform: scale(1); }
  58%, 100% { opacity: 0; transform: scale(2); }
}

/* ── Sinematik 3D tur (scroll-scrub) ──────────────────────────
   Bölüm ekrana yapışır; kaydırma ilerledikçe kare dizisi oynar. */
.scrub {
  position: relative;
  height: 340vh;
  background: #000;
}
.scrub-sticky {
  position: sticky; top: 0;
  height: 100vh;
  display: grid; place-items: center;
  overflow: hidden;
  background: #000;
}
.scrub-inner {
  display: grid;
  justify-items: center;
  gap: clamp(10px, 2.5vh, 28px);
}
.scrub-lines {
  display: grid;
  gap: 4px;
  text-align: center;
}
.sl {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 46px);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.18;
  color: rgba(255,255,255,.92);
  opacity: 0;
  transform: translateY(26px) scale(.98);
  filter: blur(8px);
  transition:
    opacity .8s var(--ease),
    transform .8s var(--ease),
    filter .8s var(--ease);
}
.sl.is-on { opacity: 1; transform: none; filter: blur(0); }
.sl-final { color: #fff; }
.sl-final em {
  font-style: normal;
  text-shadow: 0 0 24px rgba(255,255,255,.55);
}
.scrub-stage {
  position: relative;
  width: min(82vw, 980px);
}
.scrub-stage::after { /* kenarları karanlığa gömen sinematik vinyet */
  content: "";
  position: absolute; inset: -2px;
  pointer-events: none;
  background: radial-gradient(72% 82% at 50% 50%, transparent 56%, #000 96%);
}
#scrub-canvas {
  display: block;
  width: 100%; height: auto;
  filter: drop-shadow(0 46px 90px rgba(0,0,0,.92));
}
.scrub-hint {
  position: absolute; left: 0; right: 0; bottom: 36px;
  text-align: center;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: .85;
  transition: opacity .6s var(--ease);
}
.scrub-hint.is-done { opacity: 0; }
@media (max-width: 560px) {
  .scrub { height: 240vh; }
  .scrub-stage { width: 100vw; }
  .scrub-hint { bottom: 26px; }
  .sl { font-size: clamp(21px, 6.4vw, 26px); }
}

/* ── "Kimler kullanabilir?" paneli ────────────────────────────── */
.who-panel {
  margin-top: 18px;
  padding: clamp(28px, 4vw, 44px) clamp(24px, 4vw, 48px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
  display: grid;
  grid-template-columns: minmax(220px, .9fr) 2fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  text-align: left;
}
.who-head h3 {
  font-size: clamp(21px, 2.6vw, 27px);
  letter-spacing: -.02em;
  margin-bottom: 12px;
}
.who-head p { font-size: 14.5px; color: var(--muted); max-width: 30ch; }

.who-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 28px;
}
.who-list li {
  position: relative;
  padding-left: 32px;
  font-size: 14.5px; line-height: 1.55;
  color: var(--muted);
}
.who-list li strong { color: var(--text); font-weight: 600; }
.who-list li::before {
  content: "";
  position: absolute; left: 0; top: 2px;
  width: 19px; height: 19px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  /* içinde küçük onay işareti */
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.2 4L19 7'/%3E%3C/svg%3E")
    center / 11px no-repeat;
}
.who-note {
  grid-column: 1 / -1;
  margin-top: 4px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--dim);
}

/* ── Adımlar (Nasıl Çalışır) ──────────────────────────────────── */
/* ── Nasıl Çalışır: yapışkan sahne + akan bölümler ────────────
   Solda ekrana sabitlenen sahnedeki çizim, numara ve etiket,
   sağdaki bölüm kaydıkça senkron değişir. */
.usage {
  position: relative;
  height: 420vh; /* kaydırma pisti: 4 bölüm × ~105vh */
}
.usage-sticky {
  position: sticky;
  top: 96px;
  height: calc(100vh - 120px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
}
.usage-stage { position: static; }
.us-inner {
  position: relative;
  height: min(72vh, 560px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(rgba(255,255,255,.05) 1px, transparent 1.4px) 0 0 / 24px 24px,
    radial-gradient(80% 100% at 50% 0%, rgba(255,255,255,.055), transparent 68%),
    linear-gradient(180deg, #0a0a0b, #050506);
  overflow: hidden;
}
.us-tag {
  position: absolute; top: 16px; left: 18px; z-index: 3;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0,0,0,.45);
  font-size: 10.5px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted);
  transition: opacity .3s;
}
.us-no {
  position: absolute; right: 20px; bottom: 4px; z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(96px, 11vw, 160px);
  font-weight: 700; line-height: 1;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,.16);
  pointer-events: none;
}
.us-power { /* bölüm ilerledikçe dolan/yükselen güç çubuğu */
  position: absolute; left: 20px; top: 50%; z-index: 3;
  transform: translateY(-50%);
  width: 3px; height: 52%;
  border-radius: 3px;
  background: rgba(255,255,255,.1);
  overflow: hidden;
}
.us-power-fill {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 25%;
  border-radius: 3px;
  background: linear-gradient(to top, rgba(255,255,255,.55), #fff);
  box-shadow: 0 0 14px rgba(255,255,255,.8);
  transition: height .7s var(--ease);
}
.us-art {
  position: absolute; inset: 0; margin: auto; z-index: 2;
  width: 80%; height: 72%;
  object-fit: contain;
  filter: invert(1) brightness(1.08);
  mix-blend-mode: screen;   /* çizim zeminindeki siyah panele karışır */
  opacity: 0;
  transform: translateY(22px) scale(.96);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
  pointer-events: none;
}
.us-art.is-on { opacity: .96; transform: none; }
.us-art.us-photo { /* gerçek görsel: saydam zemin, filtre ve karışım yok */
  filter: none;
  mix-blend-mode: normal;
}
.us-art.us-mark { /* görselsiz bölüm: ışıltılı onay işareti */
  display: grid;
  place-items: center;
  filter: none;
  mix-blend-mode: normal;
}
.us-mark svg {
  width: clamp(120px, 13vw, 168px);
  height: auto;
  color: #fff;
  filter: drop-shadow(0 0 34px rgba(255,255,255,.35));
}
.us-pair { /* hazırlık: iki figür yan yana */
  display: flex;
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
  justify-content: center;
  filter: none;
  mix-blend-mode: normal;
  max-width: none; max-height: none;
  width: 100%; height: 100%;
}
.us-pair img {
  height: clamp(170px, 20vw, 230px);
  width: auto;
  filter: invert(1) brightness(1.08);
  mix-blend-mode: screen;
}
.usage-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  height: min(72vh, 560px);
}
.us-step { /* tüm bölümler aynı noktada üst üste; yalnız aktif olan görünür */
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
  pointer-events: none;
}
.us-step.is-on {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.us-k {
  font-size: 11.5px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 10px;
}
.us-step h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  margin: 0 0 12px;
}
.us-step > p {
  font-size: 15.5px;
  color: var(--muted);
  max-width: 54ch;
}
.flow-result {
  margin-top: 12px;
  padding-left: 16px;
  border-left: 2px solid rgba(255,255,255,.7);
  color: #fff !important;
  font-weight: 600;
}
.flow-warn {
  margin-top: 12px;
  padding: 11px 15px;
  border: 1px dashed rgba(255,255,255,.35);
  border-radius: var(--radius);
  font-size: 13.5px;
  color: var(--muted);
  max-width: 52ch;
}
.flow-warn strong { color: #fff; }
.mode-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
  max-width: 470px;
}
.mode {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.02);
  transition: border-color .3s;
}
.mode:hover { border-color: var(--line-2); }
.mode b {
  display: block;
  font-size: 13px;
  letter-spacing: .04em;
  margin-bottom: 4px;
  color: #fff;
}
.mode p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  max-width: none;
}
.mtime {
  display: inline-block;
  margin-top: 7px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .05em;
  color: #fff;
}
.mode-note {
  margin-top: 10px;
  font-size: 12px;
  color: var(--dim);
  max-width: 470px;
}
.flow-payoff {
  margin-top: clamp(48px, 7vw, 88px);
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 42px);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--muted);
}
.flow-payoff em {
  font-style: normal;
  color: #fff;
  text-shadow: 0 0 26px rgba(255,255,255,.4);
}
.step-chip {
  display: inline-block;
  margin-top: 16px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  font-size: 11.5px; font-weight: 600;
  letter-spacing: .06em;
  color: var(--muted);
  background: rgba(255,255,255,.03);
}

.steps-note {
  margin-top: 36px;
  text-align: center;
  font-size: 14px;
  color: var(--dim);
}
.steps-note a {
  color: var(--muted);
  border-bottom: 1px solid var(--line-2);
  transition: color .2s, border-color .2s;
}
.steps-note a:hover { color: #fff; border-color: #fff; }

/* ── İstatistik şeridi ────────────────────────────────────────── */
/* ── Kutunun İçinde: sinematik paket vitrini ──────────────────
   Saf siyah sahne; ürün ailesi spot ışığında, siyah zemin panele erir. */
.kit {
  background: #000;
  border-block: 1px solid var(--line);
  overflow: hidden;
}
.kit-stage {
  position: relative;
  margin: clamp(8px, 2vw, 22px) auto 0;
  max-width: 740px;
}
.kit-stage::before { /* yumuşak spot ışığı */
  content: "";
  position: absolute;
  inset: -6% -24%;
  background: radial-gradient(58% 52% at 50% 42%, rgba(255,255,255,.10), transparent 72%);
  pointer-events: none;
}
.kit-stage img {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: screen;
  transform: scale(1.05);
  transition: transform 1.8s var(--ease);
}
.kit-stage.is-visible img { transform: scale(1); }
.kit-strip {
  list-style: none;
  margin: clamp(18px, 3vw, 32px) auto 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 900px;
}
.kit-strip li {
  position: relative;
  padding: 7px 18px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.kit-strip li + li::before {
  content: "";
  position: absolute;
  left: 0; top: 22%; bottom: 22%;
  width: 1px;
  background: var(--line);
}

/* ── Müşteri Yorumları ────────────────────────────────────────
   Kaynak rozetleri + tuğla dizilimli (masonry) yorum kartları. */
.review-sources {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: clamp(30px, 4vw, 46px);
}
.rsrc {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.02);
  text-align: center;
  transition: border-color .3s, background-color .3s, transform .3s;
}
.rsrc:hover {
  border-color: var(--line-2);
  background: rgba(255,255,255,.05);
  transform: translateY(-2px);
}
.rsrc-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14.5px;
  color: #fff;
}
.rsrc-meta {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .03em;
}
/* Vitrin alıntısı: en güçlü yorum, sahnenin ortasında */
.review-hero {
  margin: 0 auto clamp(34px, 5vw, 54px);
  max-width: 820px;
  text-align: center;
}
.review-hero blockquote {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.9vw, 34px);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.35;
  color: #fff;
}
.review-hero blockquote::before { content: "“"; color: rgba(255,255,255,.4); }
.review-hero blockquote::after  { content: "”"; color: rgba(255,255,255,.4); }
.review-hero figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 10px;
}
.rev-stars.big {
  font-size: 22px;
  letter-spacing: 6px;
  margin-bottom: 16px;
}

/* Akan yorum şeritleri */
.marquee {
  overflow: hidden;
  margin-top: 18px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.m-track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: m-drift 56s linear infinite;
}
.m-right .m-track { animation-duration: 64s; animation-direction: reverse; }
.marquee:hover .m-track { animation-play-state: paused; }
@keyframes m-drift {
  to { transform: translateX(calc(-50% - 9px)); }
}
.review {
  flex: 0 0 auto;
  width: min(420px, 84vw);
  margin: 0;
  padding: 24px 24px 20px;
  display: block;
}
.rev-stars {
  font-size: 15px;
  letter-spacing: 3px;
  color: #f6c14d;
  text-shadow: 0 0 14px rgba(246,193,77,.45);
  margin-bottom: 12px;
}
.rev-stars .dim { color: rgba(246,193,77,.25); text-shadow: none; }
.review blockquote {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--muted);
}
.review blockquote::before { content: "“"; color: rgba(255,255,255,.45); margin-right: 1px; }
.review blockquote::after  { content: "”"; color: rgba(255,255,255,.45); margin-left: 1px; }
.review figcaption {
  display: grid;
  gap: 3px;
  border-top: 1px solid var(--line);
  padding-top: 13px;
}
.rev-who {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}
.rev-who em {
  font-style: normal;
  font-weight: 400;
  color: var(--dim);
  font-size: 12px;
}
.rev-src {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--dim);
}
.review-note {
  margin-top: 26px;
  text-align: center;
  font-size: 12.5px;
  color: var(--dim);
}
.review-more {
  margin-top: clamp(28px, 4vw, 44px);
  text-align: center;
}

/* Tüm yorumlar sayfası (yorumlar.html) */
.review-page { padding-top: clamp(140px, 16vw, 190px); }
.rp-title {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 600;
  letter-spacing: -.03em;
  margin: 0 0 16px;
}
.btn-back { min-height: 44px; padding: 10px 22px; font-size: 14px; }
.btn-back svg { transform: none; }
.btn-back:hover svg { transform: translateX(-4px); }
.review-wall {
  columns: 3;
  column-gap: 18px;
}
.review-wall .review {
  width: auto;
  break-inside: avoid;
  margin: 0 0 18px;
}

/* ── Rakamlarla Morpheus: sinematik sayı bandı ────────────────
   Kontur rakamlar görünür olunca beyaza dolar, ışıklı çizgi çizilir;
   imleç bandın üzerinde yumuşak bir spot ışığı gezdirir. */
.stats {
  position: relative;
  border-block: 1px solid var(--line);
  background:
    radial-gradient(rgba(255,255,255,.04) 1px, transparent 1.4px) 0 0 / 26px 26px,
    #000;
  padding: clamp(64px, 9vw, 108px) 0 clamp(56px, 8vw, 92px);
  overflow: hidden;
}
.stats-glow {
  position: absolute; inset: 0;
  background: radial-gradient(360px 360px at var(--mx, 50%) var(--my, 50%),
    rgba(255,255,255,.075), transparent 70%);
  opacity: 0;
  transition: opacity .5s;
  pointer-events: none;
}
.stats:hover .stats-glow { opacity: 1; }
.stats .eyebrow {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(38px, 5vw, 58px);
}
.assure-title {
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(30px, 4.6vw, 58px);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.12;
  margin: 0 0 18px;
}
.assure-title em {
  font-style: normal;
  color: #fff;
  text-shadow: 0 0 28px rgba(255,255,255,.35);
}
.assure-sub {
  text-align: center;
  max-width: 54ch;
  margin: 0 auto;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.7;
}
.tbadges {
  list-style: none;
  padding: 0;
  margin: clamp(30px, 4.5vw, 48px) auto 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  max-width: 880px;
}
.tbadge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 22px 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.02);
  text-align: center;
  transition: border-color .3s, transform .3s, background-color .3s;
}
.tbadge:hover {
  border-color: var(--line-2);
  background: rgba(255,255,255,.045);
  transform: translateY(-3px);
}
.tb-ic {
  width: 46px; height: 46px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 16px rgba(255,255,255,.05);
}
.tb-ic svg { width: 20px; height: 20px; color: #fff; }
.tbadge b {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #fff;
}
.tbadge small { font-size: 11px; color: var(--dim); }
.assure-official {
  margin-top: clamp(26px, 3.5vw, 38px);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
  transition: color .25s;
}
.assure-official img { height: 15px; width: auto; opacity: .85; transition: opacity .25s; }
.assure-official:hover { color: var(--muted); }
.assure-official:hover img { opacity: 1; }

/* ── Split (Teknoloji & Paket) ────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.split-reverse { grid-template-columns: .9fr 1.1fr; }

.mini-features { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 30px; margin-top: 44px; }
.mini-features li { display: flex; gap: 16px; align-items: flex-start; }
.mini-features svg {
  width: 24px; height: 24px; flex: none; margin-top: 2px;
  color: #fff;
  filter: drop-shadow(0 0 10px rgba(255,255,255,.35));
}
.mini-features h3 { font-size: 16px; margin-bottom: 6px; }
.mini-features p { font-size: 13.5px; color: var(--muted); }

.frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 40px 90px rgba(0,0,0,.55);
}
.frame-light { background: linear-gradient(165deg, #ffffff, #e8e9ec); padding: clamp(20px, 3vw, 40px); }

.split-visual figcaption {
  margin-top: 16px;
  font-size: 13px;
  color: var(--dim);
  text-align: center;
}

/* ── Açık tema bölümü (Diyagram) ──────────────────────────────── */
.section-light {
  background: var(--light-bg);
  color: var(--light-text);
}
.section-light h2 { color: var(--light-text); }
.section-light .section-lead { color: var(--light-muted); }
.section-light .eyebrow { color: #8a8d94; }
.section-light .eyebrow-ring {
  border-color: rgba(11,11,13,.5);
  box-shadow: 0 0 12px rgba(11,11,13,.18);
}

.diagram-tabs {
  display: flex; justify-content: center; gap: 6px;
  width: max-content;
  margin: 0 auto 36px;
  padding: 5px;
  border-radius: 999px;
  background: rgba(11,11,13,.06);
  border: 1px solid rgba(11,11,13,.08);
}
.tab {
  padding: 10px 28px;
  min-height: 44px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 14.5px; font-weight: 600;
  color: var(--light-muted);
  transition: background-color .25s var(--ease), color .25s, box-shadow .25s;
}
.tab:hover { color: var(--light-text); }
.tab.is-active {
  background: #0b0b0d; color: #fff;
  box-shadow: 0 6px 20px rgba(11,11,13,.25);
}

/* ── İnteraktif parça keşfi ── */
.explorer {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: clamp(28px, 4.5vw, 64px);
  align-items: center;
  max-width: 1080px;
  margin-inline: auto;
}

.explorer-figure {
  background: linear-gradient(168deg, #ffffff, #eceef1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(11,11,13,.07);
  box-shadow: 0 30px 70px rgba(11,11,13,.10);
  padding: clamp(28px, 4vw, 56px);
}
.hotspot-layer { position: relative; }
.hotspot-layer img {
  width: 100%;
  mix-blend-mode: multiply; /* açık gri ürün zemini panele karışır */
  animation: panel-in .45s var(--ease);
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.hotspot {
  position: absolute;
  left: var(--x); top: var(--y);
  transform: translate(-50%, -50%);
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  border: 1.5px solid rgba(11,11,13,.55);
  color: #0b0b0d;
  font-family: var(--font-display);
  font-size: 13px; font-weight: 700;
  display: grid; place-items: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(11,11,13,.22);
  transition: transform .25s var(--ease), background-color .25s, color .25s, border-color .25s;
  z-index: 2;
  touch-action: manipulation;
}
/* nabız halkası */
.hotspot::before {
  content: "";
  position: absolute; inset: -7px;
  border-radius: 50%;
  border: 1.5px solid rgba(11,11,13,.28);
  animation: hotspot-pulse 2.6s var(--ease) infinite;
  pointer-events: none;
}
@keyframes hotspot-pulse {
  0%   { transform: scale(.72); opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: scale(1.25); opacity: 0; }
}
.hotspot:hover, .hotspot.is-active {
  background: #0b0b0d; color: #fff;
  border-color: #0b0b0d;
  transform: translate(-50%, -50%) scale(1.18);
}
.hotspot.is-active::before { border-color: rgba(11,11,13,.55); }

.part-list { display: grid; gap: 8px; counter-reset: part; }
.part-btn {
  display: flex; gap: 16px; align-items: flex-start;
  width: 100%;
  padding: 15px 18px;
  border-radius: 16px;
  border: 1px solid transparent;
  text-align: left;
  transition: background-color .25s var(--ease), border-color .25s, transform .25s var(--ease);
}
.part-btn:hover { background: rgba(11,11,13,.05); border-color: rgba(11,11,13,.08); }
.part-btn.is-active {
  background: #0b0b0d;
  border-color: #0b0b0d;
  transform: translateX(6px);
}
.part-btn.is-active .part-name  { color: #fff; }
.part-btn.is-active .part-desc  { color: #b9bcc2; }
.part-btn.is-active .part-no    { background: #fff; color: #0b0b0d; border-color: #fff; }

.part-no {
  flex: none;
  width: 27px; height: 27px;
  border-radius: 50%;
  border: 1.5px solid rgba(11,11,13,.35);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 12.5px; font-weight: 700;
  color: var(--light-text);
  margin-top: 2px;
  transition: background-color .25s, color .25s, border-color .25s;
}
.part-name {
  display: block;
  font-family: var(--font-display);
  font-size: 15.5px; font-weight: 600;
  color: var(--light-text);
  transition: color .25s;
}
.part-desc {
  display: block;
  margin-top: 3px;
  font-size: 13.5px;
  color: var(--light-muted);
  transition: color .25s;
}

/* ── Model karşılaştırma (VS plakası) ─────────────────────────── */
.vs {
  max-width: 1020px;
  margin-inline: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, var(--surface-2), var(--surface) 60%);
  overflow: hidden;
}

.vs-head {
  display: grid;
  grid-template-columns: 1fr 72px 1fr;
  align-items: stretch;
  padding: clamp(26px, 3.4vw, 40px);
  padding-bottom: clamp(22px, 3vw, 34px);
}
.vs-side {
  position: relative;
  display: flex; flex-direction: column;
  scroll-margin-top: 120px;
}
.vs-side h3 { font-size: clamp(21px, 2.4vw, 26px); letter-spacing: -.02em; }
.vs-side h3 sup { font-size: .4em; font-weight: 400; }
.vs-tag { margin: 7px 0 20px; font-size: 14.5px; color: var(--dim); }
.vs-side .btn { margin-top: auto; }

.model-flag {
  position: absolute; top: 12px; left: 12px; z-index: 1;
  padding: 6px 14px;
  border-radius: 999px;
  background: #fff; color: #08080a;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}

.vs-visual {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(165deg, #ffffff, #e6e7ea);
  margin-bottom: 22px;
}
.vs-visual img {
  width: 100%; display: block;
  transition: transform .6s var(--ease);
}
.vs-side:hover .vs-visual img { transform: scale(1.045); }

.vs-mid {
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  padding: 10px 0;
}
.vs-line { flex: 1; width: 1px; background: linear-gradient(to bottom, transparent, var(--line-2)); }
.vs-mid .vs-line:last-child { background: linear-gradient(to top, transparent, var(--line-2)); }
.vs-chip {
  flex: none;
  display: grid; place-items: center;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: var(--bg);
  font-size: 12px; font-weight: 800; letter-spacing: .12em;
  color: var(--text);
  box-shadow: 0 0 26px rgba(255,255,255,.07);
}

/* Fark satırları: sol Elektronik · orta etiket · sağ Manuel */
.vs-specs { border-top: 1px solid var(--line); }
.vs-cols { display: none; border-bottom: 1px solid var(--line); } /* yalnız mobil */
.vs-row {
  display: grid;
  grid-template-columns: 1fr 150px 1fr;
  align-items: center;
  gap: 16px;
  padding: 15px clamp(26px, 3.4vw, 40px);
  transition: background .25s;
}
.vs-row + .vs-row { border-top: 1px solid var(--line); }
.vs-row:hover { background: rgba(255,255,255,.025); }
.vs-label {
  text-align: center;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}
.vs-a, .vs-b { font-size: 14px; color: var(--muted); line-height: 1.5; }
.vs-a { text-align: right; }
.vs-b { text-align: left; }

.model-common {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px;
  margin: 40px auto 0;
  width: max-content; max-width: 100%;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-size: 13.5px; color: var(--muted); text-align: center;
}
.model-common svg { width: 20px; height: 20px; color: #fff; flex: none; }

/* ── Mobil model dock: #modeller geçildikten sonra görünür ────── */
.model-dock {
  position: fixed;
  left: 12px; right: 12px;
  bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  z-index: 60;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px;
  border-radius: 20px;
  border: 1px solid var(--line-2);
  background: rgba(9, 9, 11, .82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(0,0,0,.6);
  transform: translateY(calc(100% + 26px));
  opacity: 0;
  pointer-events: none;
  transition: transform .45s var(--ease), opacity .35s;
}
.model-dock.is-on { transform: none; opacity: 1; pointer-events: auto; }

.dock-btn {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 10px 8px 9px;
  border-radius: 14px;
  text-align: center;
}
.dock-solid { background: #fff; color: #08080a; }
.dock-ghost {
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,.04);
  color: var(--text);
}
.dock-name {
  display: flex; align-items: center; gap: 6px;
  font-weight: 700; font-size: 14px; letter-spacing: -.01em;
}
.dock-name svg { width: 13px; height: 13px; }
.dock-sub {
  font-size: 9px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
  opacity: .55;
}

/* ── Morpheus Ring: beden kartları ────────────────────────────── */
.ring-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.ring-card {
  display: flex; flex-direction: column;
  padding: 14px 14px 22px;
  text-align: center;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
}
.ring-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-2);
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
}
.ring-card h3 { font-size: 19px; margin-top: 18px; }
.ring-card h3 small { font-size: 13px; font-weight: 400; color: var(--dim); }
.ring-card p { margin-top: 6px; font-size: 13px; color: var(--muted); }

.ring-photo {
  border-radius: calc(var(--radius) - 6px);
  overflow: hidden;
  background: linear-gradient(165deg, #ffffff, #e8e9ec);
}
.ring-photo img {
  width: 100%; display: block;
  transition: transform .5s var(--ease);
}
.ring-card:hover .ring-photo img { transform: scale(1.06); }

.ring-buy {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  margin: 16px auto 0;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  font-size: 11px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--text);
  transition: background-color .25s, color .25s, border-color .25s;
}
.ring-buy svg { width: 13px; height: 13px; transition: transform .25s var(--ease); }
.ring-card:hover .ring-buy { background: #fff; color: #08080a; border-color: #fff; }
.ring-card:hover .ring-buy svg { transform: translateX(3px); }

/* Başlangıç Paketi bandı */
.ring-set {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  margin-top: 56px;
  padding: clamp(24px, 3.5vw, 44px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--surface-2), var(--surface) 60%);
}
.ring-set-visual {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(165deg, #ffffff, #e8e9ec);
}
.ring-set-visual img { width: 100%; display: block; }
.ring-set-flag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  font-size: 11px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted);
}
.ring-set-copy h3 { font-size: clamp(21px, 2.2vw, 26px); margin-bottom: 12px; letter-spacing: -.02em; }
.ring-set-copy p { color: var(--muted); font-size: 15px; margin-bottom: 24px; max-width: 46ch; }

/* ── Paket içeriği ────────────────────────────────────────────── */
.paket { background: var(--bg-2); border-block: 1px solid var(--line); }

.paket-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 40px 100px rgba(0,0,0,.6);
}
.paket-visual img { width: 100%; }

.pack-list { display: grid; gap: 8px; }
.pack-list li {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 18px;
  border-radius: 16px;
  transition: background-color .25s;
}
.pack-list li:hover { background: rgba(255,255,255,.035); }
.pack-list svg {
  width: 26px; height: 26px; flex: none; margin-top: 3px;
  color: #fff;
  filter: drop-shadow(0 0 10px rgba(255,255,255,.3));
}
.pack-list h3 { font-size: 16.5px; margin-bottom: 4px; }
.pack-list p { font-size: 14px; color: var(--muted); }

/* ── SSS: sol sabit başlık + sağ gruplu ince liste ────────────── */
.faq-wrap {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.faq-intro { position: sticky; top: 120px; }
.faq-intro h2 { margin-bottom: 16px; }
.faq-lead { color: var(--muted); font-size: 15.5px; max-width: 34ch; }
.faq-contact {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 13.5px; color: var(--dim);
  line-height: 1.9;
}
.faq-contact a { color: var(--text); font-weight: 600; }
.faq-contact a:hover { text-decoration: underline; text-underline-offset: 4px; }

.faq-group {
  margin: 40px 0 4px;
  font-size: 11px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--dim);
}
.faq-group:first-child { margin-top: 0; }

.faq-item { border-bottom: 1px solid var(--line); }

.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 19px 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 16.5px; font-weight: 600;
  color: var(--muted);
  list-style: none;
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: #fff; }
.faq-item[open] summary { color: #fff; }

.faq-icon {
  position: relative;
  width: 28px; height: 28px; flex: none;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  transition: background-color .25s, border-color .25s;
}
.faq-item[open] .faq-icon { background: #fff; border-color: #fff; }
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute; left: 50%; top: 50%;
  width: 10px; height: 1.5px;
  background: #fff;
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease), background-color .25s;
}
.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-icon::before, .faq-item[open] .faq-icon::after { background: #08080a; }
.faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(0deg); }

.faq-body { padding: 0 40px 22px 0; }
.faq-body p { color: var(--muted); font-size: 14.5px; max-width: 62ch; }

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding: 56px 0 34px;
}

/* Resmî satış kanalları bandı */
.footer-stores {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 24px clamp(30px, 5vw, 70px);
  padding-bottom: 44px;
  margin-bottom: 52px;
  border-bottom: 1px solid var(--line);
}
.fs-head h3 {
  font-size: 17px; font-weight: 600;
  letter-spacing: -.01em;
  margin-bottom: 6px;
}
.fs-head p { font-size: 13.5px; color: var(--dim); max-width: 30ch; }
.fs-list {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: flex-end;
}
.fs-link {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  font-size: 13.5px; font-weight: 600;
  color: var(--muted);
  transition: color .25s, border-color .25s, background-color .25s, transform .25s var(--ease);
}
.fs-link svg { width: 13px; height: 13px; opacity: .6; transition: opacity .25s, transform .25s var(--ease); }
.fs-link:hover {
  color: #08080a; background: #fff; border-color: #fff;
  transform: translateY(-2px);
}
.fs-link:hover svg { opacity: 1; transform: translate(1px, -1px); }
.fs-main { background: #fff; color: #08080a; border-color: #fff; }
.fs-main:hover { transform: translateY(-2px); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 44px;
}
.footer-brand img { width: 150px; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; color: var(--dim); max-width: 30ch; }

.footer-nav h3 {
  font-size: 12px; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 18px;
}
.footer-nav ul { display: grid; gap: 10px; }
.footer-nav a {
  font-size: 14px; color: var(--muted);
  transition: color .2s;
}
.footer-nav a:hover { color: #fff; }

.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  margin-top: 56px; padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: 13px; color: var(--dim);
}

/* ── +18 Yaş Kapısı ───────────────────────────────────────────── */
.ag-lock { overflow: hidden; }
.age-gate {
  position: fixed; inset: 0; z-index: 300;
  display: grid; place-items: center;
  padding: 24px;
  background:
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(255,255,255,.05), transparent 70%),
    rgba(3, 3, 4, .96);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  opacity: 0;
  animation: agIn .5s var(--ease) forwards;
}
@keyframes agIn { to { opacity: 1; } }
.age-gate.is-out {
  transition: opacity .55s var(--ease), visibility .55s;
  opacity: 0; visibility: hidden;
}

.ag-inner { text-align: center; max-width: 440px; }

/* Halka: markanın ring motifi — çizilerek belirir, +18 içinde parlar */
.ag-mark { position: relative; width: 146px; height: 146px; margin: 0 auto 30px; }
.ag-mark svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ag-ring-bg, .ag-ring { fill: none; stroke-width: 2; }
.ag-ring-bg { stroke: rgba(255,255,255,.09); }
.ag-ring {
  stroke: #fff;
  stroke-linecap: round;
  stroke-dasharray: 540.4; /* 2π × 86 */
  stroke-dashoffset: 540.4;
  filter: drop-shadow(0 0 14px rgba(255,255,255,.45));
  animation: agRing 1.25s var(--ease) .25s forwards;
}
@keyframes agRing { to { stroke-dashoffset: 0; } }
.ag-num {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 44px; font-weight: 800; letter-spacing: -.02em;
  color: #fff;
  text-shadow: 0 0 34px rgba(255,255,255,.4);
  opacity: 0; transform: scale(.72);
  animation: agNum .55s var(--ease) 1s forwards;
}
@keyframes agNum { to { opacity: 1; transform: none; } }

.ag-kicker {
  font-size: 11px; font-weight: 700;
  letter-spacing: .32em; text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 14px;
}
.ag-inner h2 { font-size: clamp(24px, 4.6vw, 31px); letter-spacing: -.02em; margin-bottom: 14px; }
.ag-inner h2 + .ag-sub sup, .ag-sub sup { font-size: .6em; }
.ag-sub { color: var(--muted); font-size: 14.5px; margin-bottom: 28px; }

.ag-actions { display: grid; gap: 10px; }
.age-gate .btn { cursor: pointer; width: 100%; font-family: inherit; }
.ag-note { margin-top: 18px; font-size: 11.5px; color: var(--dim); }

/* Kademeli giriş */
.ag-kicker, .ag-inner h2, .ag-sub, .ag-actions, .ag-note {
  opacity: 0; transform: translateY(14px);
  animation: agRise .6s var(--ease) forwards;
}
.ag-kicker    { animation-delay: .45s; }
.ag-inner h2  { animation-delay: .58s; }
.ag-sub       { animation-delay: .7s; }
.ag-actions   { animation-delay: .82s; }
.ag-note      { animation-delay: .96s; }
@keyframes agRise { to { opacity: 1; transform: none; } }

/* ── Scroll-reveal animasyonları ──────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: calc(var(--delay, 0) * 90ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* JS devre dışıysa içerik daima görünür */
.no-js .reveal { opacity: 1; transform: none; }

/* ── Azaltılmış hareket ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  /* .demo, kullanım sahnesi, rakam bandı ve yorum şeritleri muaf */
  *:not(.demo, .demo *, .usage-stage, .usage-stage *, .us-step, .stats, .stats *, .marquee, .marquee *, .model-dock, .age-gate, .age-gate *),
  *:not(.demo, .demo *, .usage-stage, .usage-stage *, .us-step, .stats, .stats *, .marquee, .marquee *, .model-dock, .age-gate, .age-gate *)::before,
  *:not(.demo, .demo *, .usage-stage, .usage-stage *, .us-step, .stats, .stats *, .marquee, .marquee *, .model-dock, .age-gate, .age-gate *)::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .intro, .hero-title .w, .hero-em, .intro-stage { opacity: 1; animation: none; }
}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1024px) {
  .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .who-panel { grid-template-columns: 1fr; gap: 22px; }
  .who-head p { max-width: 60ch; }
  .explorer { grid-template-columns: 1fr; }
  .explorer-figure { max-width: 620px; margin-inline: auto; }

  /* Hero: sahne biraz daralır */
  .hero-stage { min-height: clamp(260px, 38vh, 480px); }
  .split, .split-reverse { grid-template-columns: 1fr; }
  .split-reverse .split-visual { order: 2; }
  .paket-visual { max-width: 560px; margin-inline: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .usage { height: 400vh; }
  .usage-sticky {
    top: 96px;
    height: calc(100vh - 110px);
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    gap: 14px;
    align-items: start;
  }
  .us-inner { height: 25vh; min-height: 180px; border-radius: var(--radius); }
  .us-no { font-size: 74px; right: 14px; }
  .us-power { left: 13px; height: 46%; }
  .us-art { width: 82%; height: 74%; }
  .us-pair img { height: clamp(120px, 24vw, 170px); }
  .usage-steps { height: 100%; }
  .us-step { justify-content: flex-start; padding-top: 8px; }
  .mode-duo { grid-template-columns: 1fr; max-width: none; }

  .nav-links {
    display: flex;
    position: fixed; inset: 68px 0 auto 0;
    flex-direction: column; gap: 4px;
    padding: 18px 24px 26px;
    background: rgba(5,5,6,.96);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-16px);
    opacity: 0; visibility: hidden;
    transition: transform .3s var(--ease), opacity .3s, visibility .3s;
  }
  .nav-links.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a { padding: 14px 10px; font-size: 16px; }
  .nav-burger { display: flex; }
  .nav-logo img { width: 152px; }

  /* VS plakası: tek kolon; ayraç yatay olur */
  .vs-head { grid-template-columns: 1fr; }
  .vs-mid { flex-direction: row; padding: 26px 0; }
  .vs-line { width: auto; height: 1px; flex: 1; background: linear-gradient(to right, transparent, var(--line-2)); }
  .vs-mid .vs-line:last-child { background: linear-gradient(to left, transparent, var(--line-2)); }
  .vs-cols {
    display: grid; grid-template-columns: 1fr 1fr;
    padding: 13px clamp(26px, 3.4vw, 40px) 12px;
    font-size: 11.5px; font-weight: 700;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--text); text-align: center;
  }
  .vs-cols span + span { border-left: 1px solid var(--line); }
  .vs-row { grid-template-columns: 1fr 1fr; gap: 5px 0; padding-inline: 16px; padding-block: 13px; }
  .vs-label { grid-column: 1 / -1; order: -1; }
  .vs-a, .vs-b { text-align: center; font-size: 12.5px; padding-inline: 10px; }
  .vs-b { border-left: 1px solid var(--line); }
  .model-dock { display: grid; }
  .ring-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .ring-card { padding: 10px 10px 18px; }
  .ring-card h3 { font-size: 16.5px; margin-top: 14px; }
  .ring-card h3 small { font-size: 11.5px; }
  .ring-card p { font-size: 11.5px; }
  .ring-buy { padding: 8px 12px; font-size: 9.5px; margin-top: 12px; gap: 6px; white-space: nowrap; }
  .rb-pack { display: none; } /* mobilde pill tek satır kalsın */
  .ring-set { grid-template-columns: 1fr; }
  .ring-set-visual { max-width: 420px; margin-inline: auto; }
  .faq-wrap { grid-template-columns: 1fr; gap: 8px; }
  .faq-intro { position: static; margin-bottom: 24px; }
  .faq-contact { margin-top: 22px; }
  .footer-stores { grid-template-columns: 1fr; gap: 20px; }
  .fs-list { justify-content: flex-start; }
  .fs-link { padding: 10px 16px; font-size: 12.5px; }
  .review-wall { columns: 2; }
  .mini-features { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 36px, var(--container)); }
  .hero { padding-top: 112px; }
  .hero-badge {
    padding: 6px 14px;
    gap: 8px;
    font-size: 10.5px;
    letter-spacing: .1em;
    margin-bottom: 26px;
  }
  .hero-badge svg { width: 13px; height: 13px; }
  .hero-kicker {
    font-size: 10.5px;
    letter-spacing: .2em;
    margin-bottom: 14px;
    white-space: nowrap;
  }
  .hv-title::before, .hv-title::after { display: none; }
  /* Segment seçici: mobilde de yan yana, sıkılaştırılmış */
  .hv-cell { padding: 15px 10px 14px; gap: 6px; }
  .hv-top { font-size: 15px; gap: 7px; }
  .hv-top > svg { display: none; }
  .hv-go { width: 24px; height: 24px; }
  .hv-go svg { width: 12px; height: 12px; }
  .hv-hint { font-size: 10.5px; line-height: 1.45; }
  /* Geliştirici imzası: dar ekranda dikey diz */
  .dev-credit { flex-direction: column; gap: 14px; text-align: center; }
  .dev-text { text-align: center; align-items: center; }
  .dev-divider { width: 48px; height: 1px; }
  .dev-logo { width: min(74vw, 300px); }
  /* Mobil: ayraçlar kalkar, satır doğal sarar */
  /* Güven şeridi: mobilde iki bağımsız satır, her biri kendi içinde ortalı */
  .hero-meta { flex-direction: column; gap: 13px; }
  .hm-item {
    gap: 7px;
    padding: 0 12px;
    font-size: 9.5px;
    letter-spacing: .1em;
    white-space: nowrap;
  }
  .hm-row + .hm-row .hm-item:first-child { border-left: 0; }
  .hero-market span { font-size: 9.5px; letter-spacing: .1em; }
  .hero-market img { height: 13px; }
  /* Yorum kaynakları: mobilde üçü yan yana */
  .review-sources { flex-wrap: nowrap; gap: 8px; }
  .rsrc {
    flex: 1 1 0;
    min-width: 0;
    padding: 10px 6px;
    gap: 4px;
    justify-content: center;
  }
  .rsrc-name { font-size: 10.5px; line-height: 1.25; }
  .rsrc-meta { font-size: 8.5px; letter-spacing: .02em; white-space: nowrap; }

  /* Paket şeridi: mobilde düzenli iki kolon */
  .kit-strip {
    display: grid;
    grid-template-columns: auto auto;
    justify-content: center;
    align-items: center;
    gap: 12px 0;
  }
  .kit-strip li {
    padding: 0 12px;
    font-size: 9.5px;
    letter-spacing: .1em;
    white-space: nowrap;
  }
  .kit-strip li + li::before { display: none; }
  .kit-strip li:nth-child(even)::before { display: block; top: 12%; bottom: 12%; }
  .kit-strip li:nth-child(7),
  .kit-strip li:nth-child(8) {
    grid-column: 1 / -1;
    text-align: center;
  }
  .kit-strip li:nth-child(8) { color: var(--muted); }
  .kit-strip li:nth-child(8)::before { display: none; }

  /* Güvence rozetleri: mobilde 2×2 */
  .tbadges { grid-template-columns: 1fr 1fr; gap: 10px; }
  .tbadge { padding: 16px 10px 14px; gap: 8px; }
  .tb-ic { width: 40px; height: 40px; }
  .tb-ic svg { width: 17px; height: 17px; }
  .tbadge b { font-size: 10.5px; }
  .tbadge small { font-size: 10px; }
  .hero-stage { min-height: clamp(220px, 32vh, 380px); margin-top: 14px; }
  .card-grid.cols-4 { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  /* Mobil: animasyon sahnesi küçülüp yazının soluna geçer */
  .feature-card {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 16px;
    row-gap: 6px;
    align-items: center;
    padding: 16px 18px;
  }
  .feature-card .demo {
    grid-row: 1 / span 2;
    zoom: 0.5;
    width: 208px;
    height: 150px;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: radial-gradient(70% 90% at 50% 50%, rgba(255,255,255,.06), transparent 75%);
  }
  .feature-card h3 { margin: 0; font-size: 16px; align-self: end; }
  .feature-card p { font-size: 13px; line-height: 1.55; align-self: start; }
  .review-wall { columns: 1; }
  .who-list { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .diagram-tabs { width: 100%; }
  .tab { flex: 1; padding-inline: 10px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .br-desk { display: none; }
  .hero-scroll { display: none; }
}