/* =========================================================
   SEYAR — site.css
   Marka: MARKA-KILAVUZU.md (karbon #0D0D0D · kırık beyaz
   #F5F5F3 · mor→cyan degrade · Urbanist). Degrade disiplini:
   viewport başına en fazla 1 degrade öğe.
   Class kontratı: amiral/salon-erkan site.js ile uyumlu
   (curtain/.panel/.cmark, .site-header, .hero .ln>span,
   .fab, .marquee, .burger/.mobile-menu).
   ========================================================= */

/* ---------- tokens ---------- */
:root {
  --bg: #0D0D0D;
  --bg-2: #121216;
  --bg-3: #17171d;
  --ink: #F5F5F3;
  --ink-72: rgba(245, 245, 243, .72);
  --ink-56: rgba(245, 245, 243, .56);
  --ink-38: rgba(245, 245, 243, .38);
  --line: rgba(245, 245, 243, .09);
  --line-strong: rgba(245, 245, 243, .16);
  --mor: #8B5CF6;
  --ara: #5f7cf5;
  --cyan: #22D3EE;
  --grad: linear-gradient(100deg, #8B5CF6 0%, #5f7cf5 45%, #22D3EE 100%);
  --font: 'Urbanist', system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, monospace;
  --max: 1160px;
  --r: 18px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-weight: 600; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -0.015em; }
p { margin: 0 0 1em; }
::selection { background: rgba(139, 92, 246, .35); color: var(--ink); }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

/* sayfa greni (kartvizit tekniği, sabit, çok hafif) */
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 2000;
  pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- degrade wordmark (kartvizit 3-katman tekniği) ---------- */
.wmark {
  position: relative;
  display: inline-block;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1;
}
.wmark .wm {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.wmark .grain-text,
.wmark .sheen-text {
  position: absolute; inset: 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  pointer-events: none;
}
.wmark .grain-text {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='480' height='480'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.1' numOctaves='2'/%3E%3C/filter%3E%3Crect width='480' height='480' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: .45;
}
.wmark .sheen-text {
  background:
    radial-gradient(ellipse 22% 40% at 25% 30%, rgba(255, 255, 255, .75), transparent 70%),
    radial-gradient(ellipse 18% 35% at 58% 75%, rgba(255, 255, 255, .5), transparent 70%),
    radial-gradient(ellipse 20% 38% at 86% 25%, rgba(255, 255, 255, .6), transparent 70%);
  opacity: .32;
}

/* wordmark — nav/footer: marka degradesi (Seyfi 2026-07-10: beyaz değil) */
.wordmark-flat {
  font-weight: 600;
  letter-spacing: -0.015em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- eriyen uçlu degrade çizgi ---------- */
.cizgi {
  height: 2px;
  width: min(520px, 70vw);
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, transparent 0%, #8B5CF6 22%, #22D3EE 78%, transparent 100%);
}
.cizgi[data-draw] { transform-origin: left center; }

/* ---------- köşe ışıması ---------- */
.glow {
  position: absolute; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 65% at 100% 0%, rgba(34, 211, 238, .10), transparent 68%),
    radial-gradient(ellipse 45% 55% at 108% -8%, rgba(139, 92, 246, .13), transparent 62%);
}

/* ---------- layout yardımcıları ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
section { position: relative; padding: clamp(72px, 11vw, 130px) 0; }
.kicker {
  display: block;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-56);
  margin-bottom: 1.1rem;
}
.sec-title { font-size: clamp(1.7rem, 3.6vw, 2.6rem); max-width: 18em; }
.sec-lede { color: var(--ink-72); max-width: 36em; font-size: 1.06rem; }

/* ---------- butonlar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  min-height: 52px;
  padding: .8em 1.7em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.btn-solid { background: var(--ink); color: #0D0D0D; position: relative; isolation: isolate; overflow: hidden; }
/* hover: beyaz zemin marka degradesine erir (tüm beyaz butonlar, Seyfi 2026-07-10) */
.btn-solid::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  border-radius: inherit;
  background: var(--grad);
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.btn-solid:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(139, 92, 246, .28); }
.btn-solid:hover::before { opacity: 1; }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); }
.btn-ghost:hover { border-color: rgba(245, 245, 243, .38); transform: translateY(-2px); }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  transition: background .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(13, 13, 13, .82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand { font-size: 1.45rem; line-height: 1; }
.nav-links { display: flex; gap: 30px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  position: relative;
  font-size: .95rem;
  font-weight: 500;
  color: var(--ink-72);
  padding: 6px 0;
  transition: color .2s var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .22s var(--ease);
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  min-height: 42px;
  padding: .45em 1.15em;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-weight: 600;
  font-size: .92rem;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.nav-cta:hover { border-color: rgba(245, 245, 243, .4); background: rgba(245, 245, 243, .05); }
.nav-cta svg { width: 1em; height: 1em; }

/* burger */
.burger {
  display: none;
  background: none;
  border: 0;
  width: 44px; height: 44px;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.burger span {
  display: block;
  height: 2px;
  background: var(--ink);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
body.menu-open .burger span:first-child { transform: translateY(4px) rotate(45deg); }
body.menu-open .burger span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0;
  z-index: 290;
  background: #0D0D0D;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease);
}
body.menu-open .mobile-menu { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-size: clamp(1.9rem, 8vw, 2.6rem);
  font-weight: 600;
  padding: .35em 0;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.mobile-menu .mm-sub { margin-top: 2rem; display: flex; gap: 14px; flex-wrap: wrap; }
.mobile-menu .mm-sub a { font-size: 1rem; font-weight: 500; border: 0; color: var(--ink-72); padding: 0; }

/* ---------- curtain (sayfa geçişi) ---------- */
.curtain {
  position: fixed; inset: 0;
  z-index: 500;
  display: none;
  flex-direction: row;
}
html.anim .curtain { display: flex; }
.curtain .panel {
  flex: 1;
  background: #17171d;
  transform-origin: top;
}
.curtain .cmark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 94svh;
  display: flex;
  align-items: center;
  padding: clamp(132px, 17vh, 194px) 0 clamp(72px, 9vh, 112px);
  overflow: hidden;
  isolation: isolate;
}
.hero .wrap { width: 100%; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  align-items: center;
  gap: clamp(28px, 5vw, 76px);
}
.hero-copy { min-width: 0; }

/* malzeme derinliği: sürüklenen aura bloom = fold'un tek degrade sesi */
.hero-aura {
  position: absolute; z-index: -2; pointer-events: none;
  top: -16%; right: -8%;
  width: min(780px, 82vw); aspect-ratio: 1;
  background:
    radial-gradient(closest-side, rgba(139, 92, 246, .22), transparent 70%),
    radial-gradient(closest-side, rgba(34, 211, 238, .16), transparent 68%);
  background-repeat: no-repeat;
  background-position: 64% 40%, 28% 66%;
  filter: blur(26px);
  animation: auraDrift 26s var(--ease) infinite alternate;
}
@keyframes auraDrift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(-4%, 3%, 0) scale(1.09); }
}
/* ince film greni */
.hero-grain {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  opacity: .22; mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}
/* derinlik için vinyet */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(125% 92% at 46% 28%, transparent 52%, rgba(0, 0, 0, .5));
}

.hero h1 {
  font-size: clamp(2.55rem, 6vw, 4.7rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  max-width: 13em;
  text-wrap: balance;
}
.hero h1 .dot, .page-hero h1 .dot { color: var(--cyan); font-style: normal; }
/* İ-noktası fixi: overflow maskesi Türkçe İ'yi kırpmasın */
.hero h1 .ln, .page-hero h1 .ln {
  display: block;
  overflow: hidden;
  padding-top: .12em;
  margin-top: -.06em;
}
.hero h1 .ln > span, .page-hero h1 .ln > span { display: block; will-change: transform; }
html.anim .hero h1 .ln > span, html.anim .page-hero h1 .ln > span { transform: translateY(115%); }
html.anim .hero .lede, html.anim .hero-cta { opacity: 0; }

.ln-grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lede {
  color: var(--ink-72);
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  line-height: 1.62;
  max-width: 34em;
  margin-bottom: 2.1rem;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero .cizgi { margin-top: clamp(34px, 5vw, 58px); }

/* ---------- hero imza görseli: dört kanal → tek sistem ---------- */
.hero-signal {
  justify-self: center;
  width: 100%;
  max-width: 500px;
  animation: signalIn 1s var(--ease) .7s both;
}
@keyframes signalIn {
  from { opacity: 0; transform: translateY(14px) scale(.97); }
  to   { opacity: 1; transform: none; }
}
.signal-stage {
  position: relative;
  width: min(100%, 440px);
  margin: 0 auto;
  aspect-ratio: 1;
}
.signal-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* girdi (sol) + çıktı (sağ) pill'leri — simetrik */
.signal-chips { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; pointer-events: none; }
.inputs .chip { pointer-events: auto; }
.chip { position: absolute; transform: translateY(-50%); white-space: nowrap; }
.inputs .chip { left: 0; }
.outputs .chip { right: 0; }
.signal-chips .chip:nth-child(1) { top: 13%; }
.signal-chips .chip:nth-child(2) { top: 38%; }
.signal-chips .chip:nth-child(3) { top: 62%; }
.signal-chips .chip:nth-child(4) { top: 87%; }
.chip span {
  display: inline-flex; align-items: center; justify-content: center; gap: .34rem;
  box-sizing: border-box; min-width: 140px;
  font-size: .8rem; font-weight: 500; letter-spacing: .01em;
  color: var(--ink-72);
  padding: .52rem .8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(245, 245, 243, .035);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .3);
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease), color .35s var(--ease), transform .35s var(--ease);
}
.chip .tl { color: var(--cyan); font-weight: 800; font-style: normal; }
.inputs .chip { cursor: pointer; }
/* aktif girdi (masaüstü hover / mobil tap) — marka moru */
.inputs .chip.active span {
  border-color: rgba(139, 92, 246, .8); color: var(--ink);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .3), 0 0 22px rgba(139, 92, 246, .4);
  transform: scale(1.04);
}
.chip.out span { border-color: rgba(34, 211, 238, .26); }
.chip.out.hit span {
  border-color: rgba(34, 211, 238, .8); color: var(--ink);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .3), 0 0 22px rgba(34, 211, 238, .32);
  transform: scale(1.05);
}
.chip.out.hit.purple span {
  border-color: rgba(139, 92, 246, .85);
  box-shadow: 0 6px 20px rgba(0, 0, 0, .3), 0 0 22px rgba(139, 92, 246, .4);
}
.signal-cap {
  margin: 1.4rem 0 0; text-align: center;
  font-family: var(--mono); font-size: .74rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-56);
}

@media (max-width: 900px) {
  .hero { min-height: auto; padding-top: clamp(116px, 16vh, 150px); }
  .hero-grid { grid-template-columns: 1fr; gap: clamp(40px, 8vw, 60px); }
  .hero-signal { order: 2; max-width: 420px; }
  /* mobil: dikey akış — girdiler üstte, çember ortada, çıktılar altta.
     genişlik 100% (94vw wrap padding'ini taşırıp sahneyi sağa kaydırıyordu) */
  .signal-stage { width: min(100%, 420px); aspect-ratio: auto; height: clamp(400px, 108vw, 460px); }
  .signal-chips { inset: auto 0; left: 0; right: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 4px; }
  .inputs { top: 0; }
  .outputs { bottom: 0; }
  .signal-chips .chip { position: static; transform: none; left: auto; right: auto; }
  .signal-chips .chip:nth-child(n) { top: auto; }
  .chip span { min-width: 0; width: 100%; font-size: .72rem; padding: .46rem .4rem; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-aura, .page-hero::before { animation: none; }
  .hero-signal { animation: none; opacity: 1; transform: none; }
}

/* iç sayfa herosu */
.page-hero {
  position: relative;
  padding: 170px 0 70px;
  overflow: hidden;
}
.page-hero h1 { font-size: clamp(2.2rem, 5.4vw, 3.9rem); max-width: 14em; }
.page-hero .lede { color: var(--ink-72); font-size: 1.08rem; max-width: 36em; }
html.anim .page-hero .lede { opacity: 0; }

/* cerrahi parlatma (2026-07-10): hero'nun malzeme dili iç sayfa açılışlarına.
   salt CSS pseudo — HTML'e dokunmaz. aura = viewport'un degrade sesi. */
.page-hero { isolation: isolate; }
.page-hero::before {
  content: ''; position: absolute; z-index: -2; pointer-events: none;
  top: -28%; right: -10%;
  width: min(640px, 78vw); aspect-ratio: 1;
  background:
    radial-gradient(closest-side, rgba(139, 92, 246, .18), transparent 70%),
    radial-gradient(closest-side, rgba(34, 211, 238, .13), transparent 68%);
  background-repeat: no-repeat;
  background-position: 64% 40%, 28% 66%;
  filter: blur(26px);
  animation: auraDrift 26s var(--ease) infinite alternate;
}
.page-hero::after {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  opacity: .18; mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  /* bölüm sınırında dikiş bırakmasın: alta doğru eriyerek biter */
  -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 55%, transparent 100%);
}

/* ---------- üç kaçak ---------- */
.leaks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 3rem; }
.leak { border-top: 1px solid var(--line-strong); padding-top: 1.6rem; }
.leak .no {
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--ink-38);
  display: block;
  margin-bottom: 1rem;
}
.leak h3 { font-size: 1.28rem; margin-bottom: .4em; }
.leak p { color: var(--ink-72); font-size: .98rem; margin: 0; }
.leak-closer { margin-top: 3.2rem; font-size: clamp(1.15rem, 2vw, 1.4rem); max-width: 34em; line-height: 1.5; }
.leak-closer strong { font-weight: 600; color: var(--ink); }

/* ---------- band / kart bölümleri ---------- */
.band {
  border: 1px solid var(--line);
  border-radius: calc(var(--r) + 6px);
  background: var(--bg-2);
  padding: clamp(36px, 5vw, 64px);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
/* kart içi derinlik ışıması (cerrahi parlatma 2026-07-10) */
.band::before {
  content: ''; position: absolute; z-index: -1; pointer-events: none;
  top: -38%; right: -16%;
  width: min(560px, 72%); aspect-ratio: 1;
  background:
    radial-gradient(closest-side, rgba(139, 92, 246, .10), transparent 70%),
    radial-gradient(closest-side, rgba(34, 211, 238, .07), transparent 66%);
  background-repeat: no-repeat;
  background-position: 60% 42%, 30% 64%;
  filter: blur(30px);
}

/* ---------- gelir hesaplayıcı ---------- */
.calc { margin-top: 3rem; }
.calc-inputs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.calc-field { display: block; min-width: 0; }
.calc-label {
  display: block;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-56);
  margin-bottom: .7rem;
}
.calc-field input {
  width: 100%;
  font: 600 1.15rem/1.2 var(--font);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 14px 16px;
  outline: none;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
  appearance: textfield;
  -moz-appearance: textfield;
}
.calc-field input::-webkit-outer-spin-button,
.calc-field input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc-field input:focus {
  border-color: rgba(34, 211, 238, .55);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, .12), 0 0 24px rgba(34, 211, 238, .10);
}
.calc-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.calc-card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 20px 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  min-width: 0;
}
.calc-ay { background: rgba(34, 211, 238, .045); border-color: rgba(34, 211, 238, .18); }
.calc-yil { background: rgba(139, 92, 246, .07); border-color: rgba(139, 92, 246, .3); }
.calc-yil::before {
  content: ''; position: absolute; z-index: -1; pointer-events: none;
  left: -20%; right: -20%; bottom: -60%; height: 120%;
  background: radial-gradient(closest-side, rgba(139, 92, 246, .16), transparent 70%);
  filter: blur(18px);
}
.calc-tag {
  display: block;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-56);
  margin-bottom: .55rem;
}
.calc-num {
  display: block;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -.015em;
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
  color: var(--ink);
}
.calc-yil .calc-num {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.calc-sub { display: block; font-size: .85rem; color: var(--ink-56); margin-top: .5rem; }
.calc-cta { margin-top: 30px; text-align: center; }
.calc-note { margin: 14px 0 0; font-size: .88rem; color: var(--ink-56); }

/* ---------- hizmet satırları ---------- */
.srows { border-top: 1px solid var(--line-strong); margin-top: 2.5rem; }
.srow {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.6fr) auto;
  gap: 28px;
  align-items: baseline;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.srow::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .35s var(--ease);
}
.srow:hover::after { transform: scaleX(1); }
.srow h3 { font-size: 1.35rem; margin: 0; }
.srow p { color: var(--ink-72); margin: 0; font-size: .98rem; }
.srow .go {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--ink-38);
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.srow:hover .go { color: var(--cyan); transform: translateX(4px); }

/* ---------- hizmet blokları (hizmetler sayfası) ---------- */
.svc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 40px;
  padding: 3rem 0;
  border-top: 1px solid var(--line-strong);
}
.svc h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); margin: 0; }
.svc .kime {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-38);
  display: block;
  margin-top: 1rem;
}
.svc p { color: var(--ink-72); margin: 0 0 1em; }
.svc .mini { font-weight: 600; color: var(--ink); font-size: .95rem; transition: color .2s var(--ease); }
.svc .mini:hover { color: var(--cyan); }
@media (max-width: 960px) { .svc { grid-template-columns: 1fr; gap: 14px; padding: 2.2rem 0; } }

/* ---------- marquee ---------- */
.marquee-wrap {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  margin: 3rem 0;
}
.marquee {
  display: inline-flex;
  gap: 56px;
  white-space: nowrap;
  animation: mq 34s linear infinite;
  font-family: var(--mono);
  font-size: .88rem;
  letter-spacing: .08em;
  color: var(--ink-56);
}
.marquee span { display: inline-flex; align-items: center; gap: 56px; }
@keyframes mq { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- işler kartları ---------- */
.works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 2.6rem; }
.work-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--bg-2);
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}
.work-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity .28s var(--ease);
  z-index: 2;
}
.work-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.work-card:hover::before { opacity: 1; }
.work-card .shot { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-3); }
.work-card .shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.work-card .meta { padding: 18px 20px; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.work-card .meta h3 { font-size: 1.02rem; margin: 0; }
.work-card .meta .tag { font-family: var(--mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-38); white-space: nowrap; }

/* ---------- süreç adımları ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 3rem; }
.step { position: relative; padding-top: 1.5rem; border-top: 1px solid var(--line-strong); }
.step .no { font-family: var(--mono); font-size: .78rem; letter-spacing: .16em; color: var(--ink-38); display: block; margin-bottom: .9rem; }
.step h3 { font-size: 1.1rem; margin-bottom: .35em; }
.step p { color: var(--ink-72); font-size: .93rem; margin: 0; }

/* ---------- kurucular ---------- */
.founders { display: grid; grid-template-columns: repeat(2, minmax(0, 420px)); gap: 22px; margin-top: 2.6rem; }
.founder {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-2);
  padding: 26px 28px;
  display: flex;
  gap: 20px;
  align-items: center;
}
.founder .init {
  flex: none;
  width: 56px; height: 56px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 1.4rem;
  background: var(--bg-3);
}
.founder h3 { font-size: 1.08rem; margin: 0 0 .1em; }
.founder .role { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-38); display: block; margin-bottom: .4rem; }
.founder a.tel { font-size: .95rem; color: var(--ink-72); transition: color .2s var(--ease); }
.founder a.tel:hover { color: var(--cyan); }

/* ---------- yetenek gridi (hasta-iletisim) ---------- */
.caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 2.6rem; }
.cap {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-2);
  padding: 24px 26px;
}
.cap .no { font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; color: var(--ink-38); display: block; margin-bottom: .9rem; }
.cap h3 { font-size: 1.12rem; margin-bottom: .35em; }
.cap p { color: var(--ink-72); font-size: .94rem; margin: 0; }

/* ---------- telefon / görüşme (imza) ---------- */
.gorusme-sec { overflow: visible; }
.gorusme-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.gorusme-copy .big {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 600;
  line-height: 1.2;
  max-width: 13em;
}
.gorusme-copy .big em { font-style: normal; color: var(--ink-56); }
/* kapanis cumlesi: masaustunde kopyanin icinde (.cap-end),
   mobilde sahnenin ALTINDA ayri blok (.cap-end-m) — pinlenen
   alan kucuk ekrana sigsin diye */
.cap-end-m {
  display: none;
  font-size: clamp(1.3rem, 5.6vw, 1.7rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.015em;
  margin: 2.4rem 0 0;
}
.cap-end-m strong { font-weight: 600; }
/* mobil pin sahnesi kapanışı: telefon üstünde beliren söz (varsayılan gizli, JS açar) */
.phone .cap-overlay {
  position: absolute; inset: 0; z-index: 3;
  display: none;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 28px 22px;
  opacity: 0;
  pointer-events: none;
}
.phone .cap-overlay p {
  margin: 0;
  font-size: clamp(1.5rem, 7vw, 1.85rem);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.phone .cap-overlay strong { font-weight: 600; }
.phone {
  width: min(360px, 100%);
  margin: 0 auto;
  border: 1px solid var(--line-strong);
  border-radius: 40px;
  background: #101014;
  padding: 18px 16px 22px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, .5);
  position: relative;
}
.phone::before {
  /* çentik */
  content: '';
  position: absolute;
  top: 12px; left: 50%;
  transform: translateX(-50%);
  width: 96px; height: 8px;
  border-radius: 999px;
  background: rgba(245, 245, 243, .12);
}
.phone .pbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 8px 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}
.phone .pbar .who { font-weight: 600; font-size: .95rem; }
.phone .pbar .who small { display: block; font-weight: 400; font-size: .7rem; color: var(--ink-38); font-family: var(--mono); letter-spacing: .08em; }
.phone .pbar .ptime { font-family: var(--mono); font-size: .8rem; color: var(--ink-56); }
.chat { display: flex; flex-direction: column; gap: 10px; min-height: 300px; }
.msg {
  max-width: 82%;
  padding: 11px 14px;
  border-radius: 16px;
  font-size: .92rem;
  line-height: 1.45;
}
.msg .t {
  display: block;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .06em;
  color: var(--ink-38);
  margin-top: 5px;
  text-align: right;
}
.msg.in {
  align-self: flex-start;
  background: #1d1d24;
  border-bottom-left-radius: 5px;
}
.msg.out {
  align-self: flex-end;
  background: rgba(139, 92, 246, .13);
  border: 1px solid rgba(139, 92, 246, .3);
  border-bottom-right-radius: 5px;
}
.msg.rcard {
  align-self: flex-end;
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  border-bottom-right-radius: 5px;
  font-size: .88rem;
}
.msg.rcard::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
}
.msg.rcard .ok { color: var(--cyan); font-weight: 600; }
.chip {
  align-self: flex-end;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .05em;
  color: var(--ink-56);
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
  padding: 6px 12px;
}
.typing {
  /* varsayilan gizli: sadece masaustu imza sahnesinde JS acar
     (statik/no-JS gorunumde sonsuz "yaziyor" garip durur) */
  align-self: flex-end;
  display: none;
  gap: 5px;
  padding: 12px 16px;
  background: rgba(139, 92, 246, .13);
  border: 1px solid rgba(139, 92, 246, .3);
  border-radius: 16px;
  border-bottom-right-radius: 5px;
}
.typing i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-56);
  animation: tblink 1.1s infinite;
}
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes tblink { 0%, 60%, 100% { opacity: .3; } 30% { opacity: 1; } }

/* ---------- panel mock ---------- */
.panel-mock {
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--bg-2);
  overflow: hidden;
  font-size: .88rem;
}
.panel-mock .pm-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-38);
}
.panel-mock .pm-top i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); display: inline-block; }
.panel-mock table { width: 100%; border-collapse: collapse; }
.panel-mock td { padding: 13px 18px; border-bottom: 1px solid var(--line); color: var(--ink-72); }
.panel-mock td:first-child { color: var(--ink); font-weight: 500; }
.panel-mock td:last-child { text-align: right; font-family: var(--mono); font-size: .74rem; }
.panel-mock .st { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .7rem; letter-spacing: .04em; }
.panel-mock .st.ok { background: rgba(34, 211, 238, .12); color: var(--cyan); }
.panel-mock .st.wait { background: rgba(245, 245, 243, .07); color: var(--ink-56); }

/* ---------- sayılar ---------- */
.stats { display: flex; gap: clamp(28px, 6vw, 72px); flex-wrap: wrap; margin-top: 2.4rem; }
.stat .v { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 600; line-height: 1; }
.stat .l { font-size: .85rem; color: var(--ink-56); margin-top: .5rem; display: block; }

/* ---------- dürüstlük bloğu ---------- */
.honest {
  border-left: 2px solid;
  border-image: linear-gradient(180deg, #8B5CF6, #22D3EE) 1;
  padding: .4rem 0 .4rem 28px;
  max-width: 38em;
  font-size: 1.12rem;
  line-height: 1.6;
  color: var(--ink-72);
}
.honest strong { color: var(--ink); font-weight: 600; }

/* ---------- CTA bandı ---------- */
.cta-band { text-align: center; overflow: hidden; isolation: isolate; }
/* kapanış ışığı: başlığın arkasında sakin halo (cerrahi parlatma 2026-07-10).
   kenarlara değmez — radyal kendi içinde söner, bölüm sınırında dikiş olmaz.
   transform'la ortalama YOK (auraDrift transform'u ezerdi); calc ile konumlanır. */
.cta-band::before {
  content: ''; position: absolute; z-index: -2; pointer-events: none;
  left: calc(50% - min(360px, 46vw));
  top: calc(52% - min(360px, 46vw));
  width: min(720px, 92vw); aspect-ratio: 1;
  background:
    radial-gradient(closest-side, rgba(139, 92, 246, .13), transparent 68%),
    radial-gradient(closest-side, rgba(34, 211, 238, .09), transparent 64%);
  background-repeat: no-repeat;
  background-position: 42% 38%, 62% 56%;
  filter: blur(30px);
}
/* not: CTA'da gren YOK — orta-sayfa bölümünde gren, maskeyle bile bölümü
   "ayrı gri panel" gibi ayırıyor (dikiş). Gren yalnız sayfa-tepesi sahnelerde. */
.cta-band h2 { font-size: clamp(1.9rem, 4.4vw, 3.2rem); max-width: 16em; margin: 0 auto .5em; }
.cta-band p { color: var(--ink-72); max-width: 32em; margin: 0 auto 2rem; }
.cta-band .hero-cta { justify-content: center; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 40px;
  font-size: .92rem;
  color: var(--ink-56);
}
.foot-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}
.foot-brand .wordmark-flat { font-size: 1.5rem; }
.foot-brand p { margin: .6rem 0 0; font-size: .85rem; color: var(--ink-38); }
.foot-nav { display: flex; gap: 26px; flex-wrap: wrap; }
.foot-nav a { color: var(--ink-56); transition: color .2s var(--ease); }
.foot-nav a:hover { color: var(--ink); }
.foot-base {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: .8rem;
  color: var(--ink-38);
}

/* WhatsApp FAB kaldırıldı (2026-07-20): sağ alt köşe artık dijital asistan balonunun
   (assets/asistan.js, .aw-fab — aynı konum/boyut/hover dili). WhatsApp girişleri header +
   sohbet penceresi altındaki "WhatsApp'tan devam et". */

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .leaks, .caps, .works { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  /* minmax(0,1fr): telefon mockup'ı kolonu viewport dışına itmesin (sağa kayma + kırpılan mesajlar) */
  .gorusme-grid { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .srow { grid-template-columns: 1fr; gap: 10px; }
  .srow .go { display: none; }
  /* imza sahnesi: pinlenen blok kucuk ekrana sigsin */
  .gorusme-sec { padding-top: 56px; }
  /* mobilde de masaüstü etkisi: giriş sözü BÜYÜK (Seyfi 2026-07-10) */
  .gorusme-copy .big { font-size: clamp(1.5rem, 6.6vw, 1.95rem); max-width: none; }
  .gorusme-copy .cap-end { display: none; }
  .cap-end-m { display: block; }
  .gorusme-sec .phone { padding: 12px 12px 16px; border-radius: 32px; }
  .gorusme-sec .chat { min-height: 0; }
  .gorusme-sec .msg { font-size: .86rem; padding: 10px 12px; }
}
@media (max-width: 420px) {
  /* cok dar ekran: sohbet sikisir ki pinli telefon ekrana sigsin */
  .gorusme-sec .msg { font-size: .8rem; padding: 9px 11px; }
  .gorusme-sec .chat { gap: 8px; }
  .gorusme-sec .phone .pbar { padding: 14px 6px 10px; margin-bottom: 10px; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav-cta { display: none; }
  .leaks, .caps, .works, .founders { grid-template-columns: 1fr; }
  .hero { min-height: 86svh; padding-top: 120px; }
  .hero .lede { padding-right: 16px; }
  .band { padding: 30px 20px; }
  .founders { max-width: 460px; }
  .calc-inputs { grid-template-columns: 1fr; gap: 14px; }
  .calc-results { grid-template-columns: 1fr; gap: 14px; margin-top: 22px; }
  .calc-num { font-size: clamp(2rem, 9vw, 2.4rem); }
  .calc-cta .btn { width: 100%; justify-content: center; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .curtain { display: none !important; }
  .marquee { animation: none; }
  .fab { opacity: 1; transform: none; pointer-events: auto; }
}