/* ============================================================================
   Nefosfer - site.css
   Nefosfer tasarim sisteminin statik siteye cevrilmis hali.
   Kaynak tokenlar: nefosfer-design-system/project/tokens/*.css
   Tek dosya: ek istek olmasin diye @import kullanilmadi.
   Bolumler: 1 Tokenlar · 2 Temel · 3 Yerlesim · 4 Bilesenler · 5 Bolumler
             6 Sayfaya ozel · 7 Duyarli (responsive)
   ========================================================================= */

/* ── 1. Tokenlar ─────────────────────────────────────────────────────────── */
/* Sora degisken font, latin + latin-ext (turkce karakterler icin sart). */
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 200 700;
  font-display: swap;
  src: url('/assets/fonts/sora-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 200 700;
  font-display: swap;
  src: url('/assets/fonts/sora-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  /* Marka renkleri (Brandbook s.5) */
  --nef-obsidian: #000;
  --nef-ivory: #fff;
  --nef-cyan: #00b8d9;

  --ink-0: #000; --ink-1: #06080a; --ink-2: #0b0f13; --ink-3: #12171d;
  --ink-4: #1a2128; --ink-5: #242d36; --ink-6: #333e49; --ink-7: #4a5865;

  --mist-0: #fff; --mist-1: #f4f7f8; --mist-2: #e6ecef; --mist-3: #cdd7dd;
  --mist-4: #a7b5bf; --mist-5: #7d8d99; --mist-6: #5b6a75;

  --cyan-50: #e6fafd; --cyan-100: #b8f0f9; --cyan-200: #7ee4f2; --cyan-300: #3ed3e8;
  --cyan-400: #14c5de; --cyan-500: #00b8d9; --cyan-600: #0097b4; --cyan-700: #00768d;
  --cyan-800: #005566; --cyan-900: #00323c;

  --signal-success: #00d99b;

  /* Urun markalari: birlestirilmez, kendi renkleriyle kalir */
  --lingua-accent: #0d7f57;
  --lingua-tint: rgb(27 182 128 / .07);
  --lingua-line: rgb(27 182 128 / .32);
  --learn-accent: #a05f07;
  --learn-tint: rgb(255 159 28 / .08);
  --learn-line: rgb(255 159 28 / .34);

  /* Anlamsal: site acik temada calisir */
  --bg-page: #eff4f7;
  --bg-surface: var(--mist-0);
  --bg-inset: var(--mist-1);
  --bg-accent-soft: rgb(0 184 217 / .10);

  --text-primary: var(--ink-0);
  --text-secondary: var(--mist-6);
  --text-tertiary: var(--mist-5);
  --text-accent: var(--cyan-700);

  --border-hairline: rgb(9 20 28 / .08);
  --border-subtle: rgb(9 20 28 / .13);
  --border-strong: rgb(9 20 28 / .28);
  --border-accent: rgb(0 184 217 / .65);

  --link: var(--cyan-700);
  --link-hover: var(--cyan-600);
  --focus-ring: var(--nef-cyan);

  /* Tipografi */
  --font-body: 'Sora', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-display: var(--font-body);
  --fw-light: 300; --fw-regular: 400; --fw-medium: 500; --fw-semibold: 600; --fw-bold: 700;
  --lh-body: 1.65; --lh-snug: 1.35; --lh-heading: 1.18;
  --tracking-display: -.03em; --tracking-heading: -.02em; --tracking-eyebrow: .16em;

  /* Geometri */
  --radius-3: 8px; --radius-4: 12px; --radius-5: 16px; --radius-6: 24px; --radius-full: 999px;

  /* Hareket */
  --dur-fast: 160ms; --dur-base: 240ms; --dur-slow: 420ms;
  --ease-standard: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-inout: cubic-bezier(.65, 0, .35, 1);
  --transition-control: color var(--dur-fast) var(--ease-standard),
    background-color var(--dur-fast) var(--ease-standard),
    border-color var(--dur-fast) var(--ease-standard),
    box-shadow var(--dur-fast) var(--ease-standard),
    transform var(--dur-fast) var(--ease-standard);

  /* Yerlesim */
  --container: 1240px;
  --pad-x: clamp(20px, 4vw, 48px);
  --section-y: clamp(64px, 7vw, 112px);
  --nav-h: 64px;
}

/* ── 2. Temel ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 28px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-primary);
  font: var(--fw-light) 1rem / var(--lh-body) var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: var(--fw-medium); letter-spacing: var(--tracking-heading); }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, canvas { max-width: 100%; }
img { height: auto; }
figure { margin: 0; }

a { color: var(--link); text-decoration: none; transition: color var(--dur-fast) var(--ease-standard); }
a:hover { color: var(--link-hover); }

/* hidden niteligi her zaman kazanmali: asagidaki .form-done gibi display
   tanimlayan sinif kurallari, tarayicinin kendi [hidden] kuralini ezer. */
[hidden] { display: none !important; }

::selection { background: var(--nef-cyan); color: var(--ink-0); }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: 4px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.skip-link {
  position: absolute; top: 8px; left: 8px; z-index: 200;
  padding: 10px 16px; border-radius: var(--radius-full);
  background: var(--ink-0); color: var(--mist-0); font-size: .875rem;
  transform: translateY(-200%); transition: transform var(--dur-fast) var(--ease-out);
}
.skip-link:focus { transform: translateY(0); color: var(--mist-0); }

/* ── 3. Yerlesim ─────────────────────────────────────────────────────────── */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--pad-x); }
.container--narrow { max-width: 900px; }
.section { padding: var(--section-y) 0; }
.section--tight { padding: clamp(24px, 3vw, 48px) 0; }

/* ── 4. Bilesenler ───────────────────────────────────────────────────────── */

/* 4.1 Tipografi yardimcilari */
.eyebrow {
  font-size: .6875rem; font-weight: var(--fw-medium); line-height: 1.2;
  letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-tertiary);
}
.eyebrow--rule { display: inline-flex; align-items: center; gap: 9px; color: var(--text-accent); }
.eyebrow--rule::before { content: ''; width: 18px; height: 1px; background: currentColor; opacity: .5; }
.lead { font-size: .875rem; line-height: var(--lh-body); color: var(--text-secondary); }
.lead--lg { font-size: 1.125rem; font-weight: var(--fw-light); }
.muted { color: var(--text-tertiary); }
.display {
  font-size: clamp(30px, 3.4vw, 44px); font-weight: var(--fw-medium);
  line-height: 1.08; letter-spacing: var(--tracking-display);
}
.display--sm { font-size: clamp(28px, 3.1vw, 40px); }
.prose p + p { margin-top: 18px; }

/* 4.2 Bolum rozeti */
.badge {
  display: inline-flex; align-items: center; gap: 8px; height: 30px;
  padding: 0 14px 0 6px; border-radius: var(--radius-full);
  background: var(--ink-0); color: var(--mist-0);
  border: 1px solid transparent;
  font-size: .8125rem; font-weight: var(--fw-medium); letter-spacing: -.005em; white-space: nowrap;
}
.badge--light { background: var(--mist-0); color: var(--ink-0); border-color: var(--border-hairline); }
.badge__dot {
  display: grid; place-items: center; width: 20px; height: 20px; flex: 0 0 auto;
  border-radius: var(--radius-full); background: var(--nef-cyan); color: var(--ink-0);
}

/* 4.3 Ok butonu: markanin imza CTA'si.
   Dinlenme: daire sagda, etiket solda. Hover: yer degistirirler.
   Dairenin yol alacagi mesafe butonun genisligine bagli oldugu icin site.js
   olcup --btn-travel degiskenini yaziyor ve .is-ready sinifini ekliyor.
   JavaScript calismazsa buton dinlenme halinde dogru gorunur, sadece
   hover hareketi olmaz. */
.btn {
  --btn-h: 48px; --btn-pad: 6px; --btn-pr: 24px; --btn-gap: 12px; --btn-dot: 36px; --btn-fs: 15px;
  position: relative;
  display: inline-flex; align-items: center; height: var(--btn-h);
  padding-left: var(--btn-pr);
  padding-right: calc(var(--btn-pad) + var(--btn-dot) + var(--btn-gap));
  border: 1px solid transparent; border-radius: var(--radius-full);
  font-family: var(--font-body); font-size: var(--btn-fs); font-weight: var(--fw-medium);
  line-height: 1; letter-spacing: -.005em; white-space: nowrap; overflow: hidden;
  cursor: pointer; text-decoration: none;
  transition: background-color 760ms var(--ease-inout), color 760ms var(--ease-inout),
    border-color 760ms var(--ease-inout), transform var(--dur-fast) var(--ease-standard);
}
.btn:active { transform: scale(.985); }
.btn__dot {
  position: absolute; top: 50%; right: var(--btn-pad); margin-top: calc(var(--btn-dot) / -2);
  display: grid; place-items: center; width: var(--btn-dot); height: var(--btn-dot);
  border-radius: var(--radius-full);
  transition: transform 760ms var(--ease-inout), background-color 760ms var(--ease-inout), color 760ms var(--ease-inout);
  will-change: transform;
}
.btn__label { display: flex; align-items: center; transition: transform 760ms var(--ease-inout); will-change: transform; }
.btn__dot svg { display: block; width: var(--btn-glyph, 18px); height: var(--btn-glyph, 18px); fill: currentColor; }

.btn--sm { --btn-h: 40px; --btn-pad: 5px; --btn-pr: 18px; --btn-gap: 10px; --btn-dot: 30px; --btn-fs: 14px; --btn-glyph: 16px; }
.btn--xl { --btn-h: 56px; --btn-pad: 7px; --btn-pr: 30px; --btn-gap: 14px; --btn-dot: 42px; --btn-fs: 16px; --btn-glyph: 20px; }

.btn--dark { background: var(--ink-0); color: var(--mist-0); }
.btn--dark:hover { background: var(--ink-3); color: var(--mist-0); }
.btn--dark .btn__dot { background: var(--nef-cyan); color: var(--ink-0); }

.btn--light { background: var(--mist-0); color: var(--ink-0); border-color: var(--border-hairline); }
.btn--light:hover { color: var(--ink-0); border-color: var(--border-strong); }
.btn--light .btn__dot { background: var(--ink-0); color: var(--mist-0); }
.btn--light:hover .btn__dot { background: var(--nef-cyan); color: var(--ink-0); }

.btn--glass { background: rgb(255 255 255 / .82); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }

.btn[disabled], .btn[aria-disabled='true'] { opacity: .45; cursor: not-allowed; }

.btn.is-ready:hover .btn__dot, .btn.is-ready:focus-visible .btn__dot {
  transform: translateX(calc(-1 * var(--btn-travel)));
}
.btn.is-ready:hover .btn__label, .btn.is-ready:focus-visible .btn__label {
  transform: translateX(calc(var(--btn-dot) + var(--btn-gap) - var(--btn-pr) + var(--btn-pad)));
}

/* 4.4 Yuzeyler */
.panel {
  background: var(--bg-surface); border: 1px solid var(--border-hairline);
  border-radius: 20px; padding: 28px;
}
.panel--flush { padding: 0; }
.panel--hover { transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out); }
.panel--hover:hover { border-color: var(--border-accent); transform: translateY(-3px); }
.inset { background: var(--bg-inset); border: 1px solid var(--border-hairline); border-radius: 13px; }

/* 4.5 Ikon */
.ico {
  display: block; flex: 0 0 auto; width: 20px; height: 20px;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.ico--xs { width: 12px; height: 12px; }
.ico--sm { width: 15px; height: 15px; }
.ico--md { width: 16px; height: 16px; }
.ico--lg { width: 18px; height: 18px; }
.ico--fill { fill: currentColor; stroke: none; }

/* 4.6 Bolum basligi */
.head { display: flex; flex-direction: column; align-items: center; gap: 20px; text-align: center; }
.head > .display { max-width: 24ch; }
.head > .lead { max-width: 52ch; }
.head--split { flex-direction: row; align-items: flex-end; justify-content: space-between; gap: 48px; text-align: left; flex-wrap: wrap; }
.head--split .head__l { flex: 1 1 440px; display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.head--split .head__r { flex: 0 1 400px; display: flex; flex-direction: column; gap: 22px; align-items: flex-start; padding-bottom: 6px; }
.head--split .display { max-width: 20ch; }
.head-gap { margin-bottom: 52px; }
.head-gap--sm { margin-bottom: 44px; }

/* 4.7 Istatistik seridi */
.stats { display: flex; flex-wrap: wrap; justify-content: center; gap: clamp(28px, 5vw, 68px); }
.stat { display: flex; flex-direction: column; gap: 5px; }
.stat__v { font-size: 2rem; font-weight: var(--fw-medium); letter-spacing: -.03em; line-height: 1.18; font-variant-numeric: tabular-nums; }
.stat__l { font-size: .8125rem; color: var(--text-tertiary); line-height: var(--lh-snug); }
.stat--sm .stat__v { font-size: 1.5rem; }
.stat--sm .stat__l { font-size: .72rem; }

/* 4.8 Isaretli liste */
.checks { display: flex; flex-direction: column; gap: 9px; }
.check { display: flex; align-items: center; gap: 9px; font-size: .8125rem; color: var(--text-secondary); }
.check .ico { color: var(--cyan-600); }
.check--start { align-items: flex-start; }
.check--start .ico { margin-top: 2px; }

/* 4.9 Tanim listesi (kunye satirlari) */
.facts { display: flex; flex-direction: column; width: 100%; margin: 0; }
.fact { display: grid; grid-template-columns: 124px 1fr; gap: 16px; padding: 13px 0; border-top: 1px solid var(--border-hairline); }
.fact dt { padding-top: 2px; }
.fact dd { margin: 0; font-size: .8125rem; color: var(--text-primary); line-height: 1.5; }
.facts--lg .fact { grid-template-columns: 128px 1fr; gap: 20px; padding: 20px 0; }
.facts--lg .fact:first-child { border-top: 0; }
.facts--lg .fact dd { font-size: .875rem; line-height: 1.55; }

/* ── 5. Ust menu ─────────────────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 60; padding: 14px clamp(12px, 3vw, 28px) 0; }
.site-header__inner { position: relative; max-width: var(--container); margin: 0 auto; }

.nav {
  height: var(--nav-h); display: flex; align-items: center; gap: 24px; padding: 0 8px 0 20px;
  border-radius: var(--radius-full); background: rgb(255 255 255 / .88);
  -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--border-hairline);
  box-shadow: 0 2px 10px -6px rgb(9 20 28 / .1);
  transition: box-shadow var(--dur-base) var(--ease-out);
}
.site-header.is-stuck .nav { box-shadow: 0 8px 28px -12px rgb(9 20 28 / .18); }

.nav__logo { display: flex; align-items: center; flex: 0 0 auto; }
.nav__logo img { height: 30px; width: auto; display: block; }

.nav__nav { margin: 0 auto; }
.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__link {
  display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 15px;
  border: 1px solid transparent; border-radius: var(--radius-full);
  background: transparent; font-family: var(--font-body); font-size: .875rem;
  color: var(--text-secondary); cursor: pointer; transition: var(--transition-control);
}
.nav__link:hover, .nav__link:focus-visible { color: var(--ink-0); }
.nav__link[aria-current='page'] { background: rgb(9 20 28 / .05); color: var(--ink-0); }
.nav__link .ico { width: 13px; height: 13px; opacity: .55; transition: transform var(--dur-fast) var(--ease-standard); }
.nav__item { position: static; }
.nav__item.is-open > .nav__link { color: var(--ink-0); border-color: var(--border-subtle); }
.nav__item.is-open > .nav__link .ico { transform: rotate(180deg); }
.nav__cta { flex: 0 0 auto; }

/* Dil degistirici: her zaman gorunur, mobilde hamburgerin yaninda kalir. */
.nav__lang {
  display: inline-flex; align-items: center; gap: 5px; flex: 0 0 auto;
  height: 34px; padding: 0 13px; margin-left: 4px;
  border: 1px solid var(--border-hairline); border-radius: var(--radius-full);
  font-size: .75rem; font-weight: var(--fw-medium); letter-spacing: .04em;
  color: var(--text-secondary); transition: var(--transition-control);
}
.nav__lang:hover { color: var(--ink-0); border-color: var(--border-subtle); }
.nav__lang .ico { width: 13px; height: 13px; opacity: .6; }

/* Mega menu */
.mega {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  margin-top: 10px; z-index: 50; width: min(var(--mega-w, 760px), calc(100vw - 40px));
  padding: 22px; border-radius: var(--radius-6); background: var(--mist-0);
  border: 1px solid var(--border-hairline);
  box-shadow: 0 28px 64px -24px rgb(9 20 28 / .28), 0 2px 8px -4px rgb(9 20 28 / .1);
  display: grid; grid-template-columns: var(--mega-cols, 1fr 1fr); gap: 22px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), visibility var(--dur-base);
}
.nav__item.is-open .mega {
  opacity: 1; visibility: visible; pointer-events: auto;
  animation: nef-menu-in var(--dur-base) var(--ease-out);
}
.mega__col { display: flex; flex-direction: column; gap: 4px; }
.mega__title { padding: 2px 12px 8px; }
.mega__row { display: flex; align-items: flex-start; gap: 12px; padding: 10px 12px; border-radius: var(--radius-4); transition: background var(--dur-fast) var(--ease-standard); }
.mega__row:hover { background: rgb(9 20 28 / .04); }
.mega__row-ico {
  display: grid; place-items: center; width: 34px; height: 34px; flex: 0 0 auto;
  border-radius: 10px; border: 1px solid var(--border-hairline); background: transparent;
  color: var(--text-secondary); transition: var(--transition-control);
}
.mega__row:hover .mega__row-ico { background: var(--mist-0); color: var(--cyan-700); }
.mega__row-ico img { width: 18px; height: 18px; object-fit: contain; display: block; }
.mega__row-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mega__row-t { font-size: .875rem; font-weight: var(--fw-medium); color: var(--text-primary); letter-spacing: -.01em; }
.mega__row-s { font-size: .719rem; color: var(--text-tertiary); line-height: 1.4; }

.mega__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mega__card {
  display: flex; flex-direction: column; gap: 14px; padding: 14px; border-radius: var(--radius-5);
  background: var(--bg-page); border: 1px solid var(--border-hairline);
  transition: background var(--dur-fast) var(--ease-standard);
}
.mega__card:hover { background: rgb(9 20 28 / .035); }
.mega__shot { position: relative; display: block; border-radius: 11px; overflow: hidden; border: 1px solid var(--border-hairline); background: var(--mist-0); aspect-ratio: 16 / 9; }
.mega__shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.mega__card-logo { height: 19px; width: auto; display: block; }
.mega__card-s { font-size: .719rem; color: var(--text-secondary); line-height: 1.45; }
.mega__card-cta { display: inline-flex; align-items: center; gap: 7px; font-size: .6875rem; font-weight: var(--fw-semibold); }

.mega__promo { display: flex; flex-direction: column; gap: 10px; }
.mega__promo-card {
  display: flex; flex-direction: column; gap: 12px; padding: 18px; border-radius: var(--radius-5);
  background: var(--ink-0); flex: 1; justify-content: space-between;
}
.mega__promo-card img { height: 17px; width: auto; display: block; }
.mega__promo-t { font-size: .875rem; font-weight: var(--fw-medium); color: var(--mist-0); }
.mega__promo-s { font-size: .719rem; color: var(--mist-4); line-height: 1.45; }
.mega__promo-go { display: grid; place-items: center; width: 30px; height: 30px; border-radius: var(--radius-full); background: var(--nef-cyan); color: var(--ink-0); }

@keyframes nef-menu-in {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Mobil menu */
.nav__burger {
  display: none; place-items: center; width: 40px; height: 40px; flex: 0 0 auto;
  border: 1px solid var(--border-hairline); border-radius: var(--radius-full);
  background: transparent; color: var(--ink-0); cursor: pointer;
}
/* Cekmece: hidden niteligi kapaliyken erisilebilirlik agacindan cikarir,
   acilirken JS once niteligi kaldirir, sonraki karede .is-open ekler; boylece
   gecis calisir. Kapanista sira tersine isler. */
.drawer {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bg-page); overflow-y: auto;
  padding: 84px var(--pad-x) 40px;
  opacity: 0; visibility: hidden; transform: translateX(9%);
  transition: opacity 260ms var(--ease-out), transform 340ms var(--ease-out), visibility 340ms;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }
body.is-locked { overflow: hidden; }

/* Menu baslıkları sirayla girer. */
@media (prefers-reduced-motion: no-preference) {
  .drawer.is-open .drawer__group,
  .drawer.is-open .drawer__cta {
    animation: nef-drawer-item 420ms var(--ease-out) backwards;
  }
  .drawer.is-open .drawer__group:nth-of-type(1) { animation-delay: 60ms; }
  .drawer.is-open .drawer__group:nth-of-type(2) { animation-delay: 110ms; }
  .drawer.is-open .drawer__group:nth-of-type(3) { animation-delay: 160ms; }
  .drawer.is-open .drawer__group:nth-of-type(4) { animation-delay: 210ms; }
  .drawer.is-open .drawer__cta { animation-delay: 260ms; }
}
@keyframes nef-drawer-item {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes nef-scroll-cue {
  0%, 100% { transform: translateX(-50%) rotate(45deg) translate(0, 0); opacity: .55; }
  50% { transform: translateX(-50%) rotate(45deg) translate(3px, 3px); opacity: .9; }
}
.drawer__close { position: absolute; top: 22px; right: var(--pad-x); display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius-full); border: 1px solid var(--border-hairline); background: var(--mist-0); color: var(--ink-0); cursor: pointer; }
.drawer__group { border-bottom: 1px solid var(--border-hairline); padding: 4px 0 14px; margin-bottom: 14px; }
.drawer__group > .eyebrow { display: block; padding: 10px 0; }
.drawer__link { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; font-size: 1.0625rem; font-weight: var(--fw-medium); color: var(--text-primary); }
.drawer__link .ico { color: var(--text-tertiary); }
.drawer__sub { display: flex; flex-direction: column; gap: 2px; padding-left: 2px; }
.drawer__sub a { padding: 9px 0; font-size: .875rem; color: var(--text-secondary); }
.drawer__cta { margin-top: 22px; display: flex; }
.drawer__cta .btn { width: 100%; justify-content: flex-start; }

/* ── 6. Alt bilgi ────────────────────────────────────────────────────────── */
.site-footer { padding-top: clamp(48px, 5vw, 80px); padding-bottom: 28px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); gap: clamp(28px, 5vw, 72px); padding-bottom: 48px; }
.footer__brand { display: flex; flex-direction: column; gap: 20px; }
.footer__brand img { height: 44px; width: auto; display: block; }
.footer__brand p { font-size: .8125rem; line-height: 1.7; color: var(--text-secondary); max-width: 34ch; }
.footer__social { display: flex; gap: 8px; }
.footer__social a { display: grid; place-items: center; width: 34px; height: 34px; border-radius: var(--radius-full); background: var(--bg-surface); border: 1px solid var(--border-hairline); color: var(--text-secondary); }
.footer__social a:hover { color: var(--cyan-700); border-color: var(--border-accent); }
.footer__col { display: flex; flex-direction: column; gap: 14px; }
.footer__col h2, .footer__col p.footer__col-t { font-size: .875rem; font-weight: var(--fw-medium); line-height: 1.2; color: var(--text-primary); }
.footer__col a { font-size: .8125rem; color: var(--text-secondary); }
.footer__col a:hover { color: var(--cyan-700); }
.footer__bar { padding-top: 24px; border-top: 1px solid var(--border-hairline); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer__bar span, .footer__bar a { font-size: .719rem; color: var(--text-tertiary); }
.footer__legal { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── 7. Hero ─────────────────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: min(100vh, 940px); margin-top: calc(var(--nav-h) * -1 - 14px);
  overflow: hidden; display: grid; place-items: center; isolation: isolate;
}
.hero__grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgb(9 20 28 / .03) 1px, transparent 1px),
    linear-gradient(to bottom, rgb(9 20 28 / .03) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 52%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, #000 52%, transparent 88%);
}
.hero__object { position: absolute; inset: 0; z-index: 1; pointer-events: none; display: grid; place-items: center; }
.hero__object canvas { display: block; }
/* Kure boyutu site.js tarafindan --globe-w degiskenine yazilir. */
canvas[data-globe] { width: var(--globe-w, 100%); height: auto; }
.hero__object .globe-2d { transition: opacity var(--dur-slow) var(--ease-out); }
.hero__object.is-3d .globe-2d { opacity: 0; }
.hero__wash {
  position: absolute; left: 50%; top: 52%; width: min(1020px, 108vw); aspect-ratio: 1.5;
  transform: translate(-50%, -50%); z-index: 2; pointer-events: none;
  background: radial-gradient(ellipse, rgb(239 244 247 / .4) 0%, rgb(239 244 247 / .18) 46%, rgb(239 244 247 / 0) 72%);
}
.hero__body {
  position: relative; z-index: 3; width: 100%; display: grid; place-items: center; text-align: center;
  padding: calc(var(--nav-h) + clamp(28px, 4vw, 56px)) var(--pad-x) clamp(36px, 5vw, 72px);
}
.hero__inner { max-width: 820px; display: flex; flex-direction: column; align-items: center; }
.hero h1 { font-size: clamp(40px, 6.6vw, 92px); font-weight: var(--fw-semibold); line-height: 1; letter-spacing: -.048em; }
.hero h1 .muted { color: var(--mist-5); }
.hero__lead { font-size: 1.125rem; font-weight: var(--fw-light); line-height: 1.6; color: var(--text-secondary); max-width: 54ch; margin-top: 24px; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 36px; }

/* Ic sayfa basligi */
.page-head { position: relative; overflow: hidden; padding-top: clamp(96px, 11vw, 152px); padding-bottom: clamp(48px, 6vw, 84px); }
.page-head__globe { position: absolute; top: -58%; left: 50%; transform: translateX(-50%); pointer-events: none; -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 48%, transparent 82%); mask-image: linear-gradient(180deg, #000 0%, #000 48%, transparent 82%); }
.page-head__body { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 22px; }
.page-head h1 { font-size: clamp(34px, 4.6vw, 60px); font-weight: var(--fw-semibold); line-height: 1.06; letter-spacing: -.035em; max-width: 22ch; }
.page-head h1 .muted { color: var(--text-tertiary); }
.page-head__lead { font-size: 1.125rem; font-weight: var(--fw-light); line-height: var(--lh-body); color: var(--text-secondary); max-width: 58ch; }
.page-head .stats { margin-top: 14px; padding-top: 30px; border-top: 1px solid var(--border-hairline); width: 100%; max-width: 820px; }

/* Kirinti yolu */
.crumbs { position: relative; z-index: 2; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .719rem; color: var(--text-tertiary); }
.crumbs a { color: var(--text-tertiary); }
.crumbs a:hover { color: var(--cyan-700); }
.crumbs li { display: inline-flex; align-items: center; gap: 8px; }
.crumbs li + li::before { content: '/'; color: var(--mist-4); }

/* ── 8. Hakkimizda bolumu ────────────────────────────────────────────────── */
.about__grid { display: grid; grid-template-columns: .58fr 1fr 1.04fr; grid-template-rows: auto auto; gap: 28px 40px; align-items: start; }
.about__visual { grid-row: 1 / span 2; align-self: stretch; min-height: 366px; }
.brand-panel { position: relative; height: 100%; min-height: 440px; overflow: hidden; border-radius: 20px; background: var(--bg-inset); border: 1px solid var(--border-hairline); }

.brand-panel img.brand-panel__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 56%; }
.brand-panel::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgb(233 240 244 / .88) 0%, rgb(233 240 244 / 0) 22%); }
.brand-panel__logo { position: absolute; top: 22px; left: 22px; height: 19px; width: auto; display: block; z-index: 1; }

.about__intro { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; padding-top: 8px; }
.about__copy { display: flex; flex-direction: column; gap: 22px; align-items: flex-start; padding-top: 12px; }
.about__nums { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }

.product-strip { position: relative; overflow: hidden; border-radius: 20px; background: var(--bg-inset); border: 1px solid var(--border-hairline); padding: 22px; display: flex; flex-direction: column; gap: 13px; min-height: 168px; }
.product-strip > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.product-strip::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgb(255 255 255 / .5) 0%, rgb(255 255 255 / .88) 100%); }
.product-strip > .eyebrow, .product-strip__row { position: relative; z-index: 1; }
.product-strip__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.product-strip__item { min-width: 0; display: flex; flex-direction: column; gap: 12px; padding: 16px; border-radius: 14px; background: rgb(255 255 255 / .82); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); border: 1px solid var(--border-hairline); }
.product-strip__item img { height: 22px; width: auto; max-width: 100%; object-fit: contain; object-position: left center; display: block; }
.product-strip__tag { display: inline-flex; align-items: center; gap: 8px; font-size: .719rem; color: var(--text-secondary); }
.dot { width: 6px; height: 6px; border-radius: var(--radius-full); flex: 0 0 auto; }

/* ── 9. Urun satirlari ───────────────────────────────────────────────────── */
.products { display: flex; flex-direction: column; gap: 20px; }
.product { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr); align-items: center; border-radius: 22px; }
.product--flip { grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr); }
.product__copy { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; padding: 32px 30px 26px 14px; }
.product--flip .product__copy { padding: 32px 14px 26px 30px; order: 2; }
.product__art { padding: 14px; }
.product--flip .product__art { order: 1; }
.product__logo { height: 40px; width: auto; display: block; }
.product__tagline { font-size: 1.125rem; font-weight: var(--fw-regular); letter-spacing: -.015em; color: var(--text-primary); max-width: 30ch; text-wrap: balance; }
.product__split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; }
.product__split-item { padding: 14px 16px; display: flex; flex-direction: column; gap: 7px; }
.product__split-t { display: inline-flex; align-items: center; gap: 8px; font-size: .8125rem; font-weight: var(--fw-semibold); }
.product__split-s { font-size: .719rem; color: var(--text-secondary); line-height: 1.5; }
.product__points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 20px; width: 100%; }
.product__foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 6px; }
.product__note { font-size: .719rem; color: var(--text-tertiary); }

/* Tarayici cercevesi icindeki urun ekrani */
.shot { position: relative; padding: 18px 6px; perspective: 1500px; }
.shot--right { perspective-origin: 20% 50%; }
.shot--left { perspective-origin: 80% 50%; }
.shot__glow { position: absolute; inset: 14% 8% 6%; border-radius: var(--radius-6); pointer-events: none; filter: blur(18px); }
.shot__frame {
  position: relative; transform-style: preserve-3d; border-radius: 14px; overflow: hidden;
  background: var(--mist-0); border: 1px solid var(--border-hairline);
  box-shadow: 0 30px 60px -28px rgb(9 20 28 / .34);
  transition: transform 620ms var(--ease-out);
}
.shot--right .shot__frame { transform: rotateY(-15deg) rotateX(3deg); }
.shot--left .shot__frame { transform: rotateY(15deg) rotateX(3deg); }
.shot--right:hover .shot__frame { transform: rotateY(-8.25deg) rotateX(1deg); }
.shot--left:hover .shot__frame { transform: rotateY(8.25deg) rotateX(1deg); }
.shot__bar { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-bottom: 1px solid var(--border-hairline); background: var(--bg-inset); }
.shot__lights { display: flex; gap: 5px; }
.shot__lights span { width: 8px; height: 8px; border-radius: var(--radius-full); }
.shot__url { flex: 1; height: 18px; border-radius: var(--radius-full); background: var(--mist-0); border: 1px solid var(--border-hairline); display: flex; align-items: center; padding-left: 9px; font-size: .594rem; color: var(--text-tertiary); }
.shot__frame img { display: block; width: 100%; height: auto; }

/* ── 10. Hizmet kartlari ─────────────────────────────────────────────────── */
.services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.services-grid > .service-card--wide { grid-column: 1 / span 2; }
.service-card {
  display: flex; flex-direction: column; gap: 34px; padding: 32px 32px 34px;
  background: var(--bg-surface); border: 1px solid var(--border-hairline); border-radius: var(--radius-6);
  overflow: hidden; transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.service-card:hover { border-color: var(--border-accent); transform: translateY(-3px); }
.service-card__t { font-size: 1.5625rem; font-weight: var(--fw-medium); letter-spacing: -.027em; line-height: var(--lh-snug); }
.service-card__t a { color: inherit; }
.service-card__t a:hover { color: var(--cyan-700); }
.service-card__d { font-size: .875rem; color: var(--text-secondary); line-height: 1.55; max-width: 54ch; }
.service-card__viz { margin-top: auto; }
.service-card__foot { margin-top: 22px; }

/* Kanal dagilim semasi */
.hub { position: relative; height: 210px; display: flex; flex-direction: column; align-items: center; }
.hub__chip { display: inline-flex; align-items: center; gap: 9px; padding: 8px 15px 8px 8px; border-radius: var(--radius-full); background: var(--mist-0); border: 1px solid var(--border-hairline); box-shadow: 0 8px 20px -12px rgb(9 20 28 / .3); }
.hub__chip-ico { display: grid; place-items: center; width: 26px; height: 26px; border-radius: var(--radius-full); background: var(--nef-cyan); color: var(--ink-0); }
.hub__chip-t { font-size: .719rem; font-weight: var(--fw-semibold); }
.hub__wires { width: 100%; height: 58px; display: block; }
.hub__wires .flow { animation: nef-flow 2.8s linear infinite; }
@keyframes nef-flow { to { stroke-dashoffset: -29; } }
.hub__branches { display: grid; grid-template-columns: repeat(3, 1fr); width: 100%; gap: 10px; }
.hub__branch { display: flex; flex-direction: column; align-items: center; gap: 9px; }
.hub__tiles { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.tile { display: grid; place-items: center; width: 42px; height: 42px; flex: 0 0 auto; border-radius: var(--radius-4); background: var(--mist-0); border: 1px solid var(--border-hairline); box-shadow: 0 5px 14px -9px rgb(9 20 28 / .26); }
.tile--sm { width: 36px; height: 36px; }
.tile img { width: 20px; height: 20px; display: block; }
.hub__label { display: flex; flex-direction: column; align-items: center; gap: 1px; }
.hub__label b { font-size: .719rem; font-weight: var(--fw-semibold); }
.hub__label span { font-size: .625rem; color: var(--text-tertiary); }

/* Lead grafigi */
.chart { height: 210px; display: flex; gap: 12px; }
.chart__y { display: flex; flex-direction: column; justify-content: space-between; height: 168px; font-size: .625rem; color: var(--text-tertiary); font-variant-numeric: tabular-nums; padding-bottom: 2px; }
.chart__plot { flex: 1; min-width: 0; }
.chart__area { position: relative; height: 168px; }
.chart__rule { position: absolute; left: 0; right: 0; height: 1px; background: var(--border-hairline); }
.chart__bars { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(5, 1fr); align-items: end; }
.chart__month { display: flex; align-items: flex-end; justify-content: center; gap: 6px; height: 100%; }
.chart__bar { width: 9px; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, rgb(0 184 217 / .66) 0%, rgb(0 184 217 / 0) 100%); }
.chart__bar--peak { background: linear-gradient(180deg, var(--nef-cyan) 0%, rgb(0 184 217 / 0) 100%); }
.chart__x { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 10px; }
.chart__x span { font-size: .656rem; color: var(--text-tertiary); text-align: center; }

/* SEO paneli */
.seo-panel { display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(0, 1.05fr); gap: 32px; align-items: center; min-height: 210px; }
.donut { position: relative; width: 156px; height: 156px; border-radius: 50%; display: grid; place-items: center; flex: 0 0 auto;
  background: conic-gradient(var(--cyan-500) 0% 62%, var(--cyan-700) 62% 80%, var(--cyan-200) 80% 93%, var(--mist-3) 93% 100%); }
.donut__core { width: 112px; height: 112px; border-radius: 50%; background: var(--bg-surface); display: grid; place-items: center; }
.donut__v { font-size: 1.625rem; font-weight: var(--fw-medium); letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.donut__l { font-size: .625rem; color: var(--text-tertiary); }
.donut__flag { position: absolute; bottom: -6px; left: -14px; padding: 4px 10px; border-radius: var(--radius-full); background: var(--nef-cyan); color: var(--ink-0); font-size: .625rem; font-weight: var(--fw-bold); }
.legend { display: flex; flex-direction: column; gap: 13px; }
.legend__row { display: flex; align-items: center; gap: 10px; font-size: .8125rem; }
.legend__row span:nth-child(2) { color: var(--text-secondary); flex: 1; white-space: nowrap; }
.legend__row span:last-child { font-variant-numeric: tabular-nums; }
.kw { padding: 18px; border-radius: var(--radius-5); background: var(--mist-0); border: 1px solid var(--border-hairline); box-shadow: 0 10px 26px -16px rgb(9 20 28 / .26); display: flex; flex-direction: column; gap: 11px; }
.kw__head { display: flex; justify-content: space-between; font-size: .625rem; color: var(--text-tertiary); }
.kw__row { display: flex; align-items: center; gap: 9px; }
.kw__row img { width: 14px; height: 14px; }
.kw__t { font-size: .6875rem; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kw__from { font-size: .625rem; color: var(--mist-4); text-decoration: line-through; font-variant-numeric: tabular-nums; }
.kw__to { font-size: .719rem; color: var(--cyan-700); font-weight: var(--fw-bold); font-variant-numeric: tabular-nums; min-width: 12px; text-align: right; }

/* ── 11. Neden Nefosfer (kesisim) ────────────────────────────────────────── */
.venn { position: relative; max-width: 1060px; margin: 0 auto; }
.venn__fields { position: absolute; inset: 0; display: flex; justify-content: center; align-items: center; pointer-events: none; }
.venn__fields span { position: absolute; width: 56%; aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--border-subtle); background: rgb(9 20 28 / .022); }
.venn__fields span:first-child { left: 4%; }
.venn__fields span:last-child { right: 4%; }
.venn__grid { position: relative; display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.1fr) minmax(0, .82fr); align-items: center; gap: 12px; padding: 86px 0; }
.venn__side { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.venn__side--right { align-items: flex-end; text-align: right; }
.venn__side ul { display: flex; flex-direction: column; gap: 9px; align-items: inherit; }
.venn__side li { font-size: .8125rem; color: var(--text-secondary); line-height: 1.5; max-width: 22ch; }
.venn__core { padding: 30px 30px 32px; border-radius: 22px; background: var(--ink-0); box-shadow: 0 28px 64px -26px rgb(9 20 28 / .55); display: flex; flex-direction: column; gap: 20px; }
.venn__core img { height: 22px; width: auto; display: block; }
.venn__core ul { display: flex; flex-direction: column; gap: 13px; }
.venn__core li { display: flex; align-items: flex-start; gap: 11px; font-size: .875rem; font-weight: var(--fw-medium); color: var(--mist-0); letter-spacing: -.01em; line-height: 1.45; }
.venn__core li .ico { color: var(--nef-cyan); margin-top: 1px; }
.venn__note { font-size: .719rem; color: var(--mist-5); line-height: 1.6; padding-top: 16px; border-top: 1px solid rgb(255 255 255 / .12); }

/* ── 12. Kitle kartlari ──────────────────────────────────────────────────── */
.audience { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.audience--two { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 900px; margin: 0 auto; }
.aud-card { display: flex; flex-direction: column; background: var(--bg-surface); border: 1px solid var(--border-hairline); border-radius: var(--radius-6); overflow: hidden; transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out); }
.aud-card:hover { transform: translateY(-3px); border-color: var(--aud-line, var(--border-accent)); }
.aud-card__hub { position: relative; padding: 26px 22px 0; background: var(--aud-tint); overflow: hidden; }
.aud-card__top { display: flex; flex-direction: column; align-items: center; }
.aud-card__chip { display: inline-flex; align-items: center; height: 46px; padding: 0 18px; border-radius: var(--radius-full); background: var(--mist-0); border: 1px solid var(--border-hairline); box-shadow: 0 10px 26px -16px rgb(9 20 28 / .3); }
.aud-card__chip img { height: 26px; width: auto; display: block; }
.aud-card__chip b { font-size: .875rem; font-weight: var(--fw-semibold); letter-spacing: -.015em; }
.aud-card__wires { width: 100%; height: 54px; display: block; }
.aud-card__buyers { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; width: 100%; padding-bottom: 26px; }
.aud-card__buyer { display: flex; align-items: center; gap: 9px; padding: 11px 12px; border-radius: var(--radius-4); background: var(--mist-0); border: 1px solid var(--border-hairline); font-size: .6875rem; line-height: 1.3; color: var(--text-primary); }
.aud-card__buyer span.ico-wrap { display: grid; place-items: center; width: 26px; height: 26px; flex: 0 0 auto; border-radius: var(--radius-3); background: var(--aud-tint); color: var(--aud-accent); }
.aud-card__body { padding: 24px 26px 26px; display: flex; flex-direction: column; gap: 16px; flex: 1; }
.aud-card__tag { display: flex; align-items: center; gap: 10px; font-size: .6875rem; font-weight: var(--fw-semibold); letter-spacing: .06em; text-transform: uppercase; color: var(--aud-accent); }
.aud-card__does { display: flex; flex-direction: column; gap: 9px; padding-top: 16px; border-top: 1px solid var(--border-hairline); margin-top: auto; }
.aud-card__does .check .ico { color: var(--aud-accent); }

/* ── 13. SSS ─────────────────────────────────────────────────────────────── */
.faq { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: 48px; align-items: start; }
.faq__intro { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; padding-top: 4px; }
/* Yerel <details>/<summary> kullanilir: JavaScript olmadan da acilir,
   arama motoru icerigi her durumda gorur. name= niteligi destekleyen
   tarayicida tek seferde tek soru acik kalir (akordiyon davranisi). */
.acc { display: flex; flex-direction: column; gap: 10px; }
.acc__item { background: var(--bg-surface); border: 1px solid var(--border-hairline); border-radius: var(--radius-5); overflow: hidden; transition: border-color var(--dur-base) var(--ease-out); }
.acc__item[open] { border-color: var(--border-subtle); }
.acc__q {
  display: flex; align-items: center; gap: 16px; width: 100%; padding: 20px 24px;
  cursor: pointer; list-style: none;
  font-family: var(--font-body); font-size: 1.125rem; font-weight: var(--fw-medium); color: var(--text-primary);
}
.acc__q::-webkit-details-marker { display: none; }
.acc__q > span { flex: 1; }
.acc__q .ico { color: var(--text-tertiary); }
.acc__q .ico-minus { display: none; }
.acc__item[open] .acc__q .ico-minus { display: block; }
.acc__item[open] .acc__q .ico-plus { display: none; }
.acc__panel { padding: 0 56px 22px 24px; font-size: .875rem; line-height: var(--lh-body); color: var(--text-secondary); }
.acc__item[open] .acc__panel { animation: nef-acc-in var(--dur-base) var(--ease-out); }
@keyframes nef-acc-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ── 14. CTA seridi ──────────────────────────────────────────────────────── */
.cta-band { position: relative; overflow: hidden; }
.cta-band__globe { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); pointer-events: none; -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 42%, transparent 74%); mask-image: linear-gradient(180deg, #000 0%, #000 42%, transparent 74%); }
.cta-band__body { position: relative; padding: clamp(76px, 8vw, 132px) 24px clamp(44px, 5vw, 76px); display: flex; flex-direction: column; align-items: center; gap: 22px; text-align: center; }
.cta-band__body h2 { font-size: clamp(30px, 3.8vw, 48px); font-weight: var(--fw-medium); line-height: 1.06; letter-spacing: var(--tracking-display); max-width: 22ch; }
.cta-band__body p { max-width: 48ch; }

/* ── 15. Hizmet detay bloklari ───────────────────────────────────────────── */
.detail { display: flex; flex-direction: column; gap: 20px; }
.detail__row { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(28px, 4vw, 56px); padding: clamp(28px, 3.4vw, 40px); background: var(--bg-surface); border: 1px solid var(--border-hairline); border-radius: var(--radius-6); align-items: start; }
.detail__copy { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.detail__copy h3, .detail__copy h2 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -.03em; line-height: 1.12; }
.detail__fit { padding: 14px 16px; display: flex; flex-direction: column; gap: 5px; }
.detail__fit b { font-size: .656rem; font-weight: var(--fw-regular); letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-tertiary); }
.detail__fit span { font-size: .8125rem; color: var(--text-primary); line-height: 1.5; }
.detail__list { display: flex; flex-direction: column; }
.detail__list > .list-title { font-size: .875rem; font-weight: var(--fw-medium); line-height: 1.2; padding-bottom: 14px; border-bottom: 1px solid var(--border-hairline); }
.detail__item { display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--border-hairline); }
.detail__item .ico { color: var(--cyan-600); margin-top: 2px; }
.detail__item b { font-size: .875rem; font-weight: var(--fw-medium); }
.detail__item span { font-size: .8125rem; color: var(--text-secondary); line-height: 1.55; }
.detail__item-txt { display: flex; flex-direction: column; gap: 3px; }

/* Yaklasim sekmeleri */
.tabs { display: flex; justify-content: center; gap: 10px; margin-bottom: 36px; flex-wrap: wrap; }
.tab { display: inline-flex; align-items: center; gap: 9px; padding: 10px 18px; border-radius: var(--radius-full); cursor: pointer; font-family: var(--font-body); font-size: .875rem; font-weight: var(--fw-medium); background: transparent; color: var(--text-secondary); border: 1px solid var(--border-subtle); transition: var(--transition-control); }
.tab[aria-selected='true'] { background: var(--ink-0); color: var(--mist-0); border-color: transparent; }
.track { display: grid; grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr); gap: 40px; align-items: start; }
.track[hidden] { display: none; }
.track__copy { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; padding-top: 4px; }
.track__copy h3 { font-size: 1.75rem; letter-spacing: -.025em; line-height: 1.15; }
.track__steps { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.step { padding: 24px; border-radius: 18px; background: var(--bg-surface); border: 1px solid var(--border-hairline); display: flex; flex-direction: column; gap: 10px; }
.step__n { display: grid; place-items: center; width: 28px; height: 28px; border-radius: var(--radius-full); background: var(--bg-inset); border: 1px solid var(--border-hairline); font-size: .6875rem; font-weight: var(--fw-bold); font-variant-numeric: tabular-nums; }
.step b { font-size: .875rem; font-weight: var(--fw-semibold); letter-spacing: -.01em; }
.step span { font-size: .8125rem; color: var(--text-secondary); line-height: 1.6; }

/* Neden-biz kartlari */
.reasons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.reason { display: flex; gap: 18px; padding: 28px; border-radius: 20px; background: var(--bg-surface); border: 1px solid var(--border-hairline); }
.reason__ico { display: grid; place-items: center; width: 40px; height: 40px; flex: 0 0 auto; border-radius: var(--radius-4); background: var(--bg-accent-soft); border: 1px solid var(--border-accent); color: var(--cyan-700); }
.reason b { font-size: 1.125rem; font-weight: var(--fw-medium); letter-spacing: -.015em; }
.reason span { font-size: .8125rem; color: var(--text-secondary); line-height: 1.65; }
.reason__txt { display: flex; flex-direction: column; gap: 8px; }

/* ── 16. Iletisim ────────────────────────────────────────────────────────── */
.contact { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.contact__side { display: flex; flex-direction: column; gap: 28px; }
.reach { display: flex; flex-direction: column; margin: 0; }
.reach__row { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--border-hairline); }
.reach__ico { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 auto; border-radius: 11px; background: var(--bg-surface); border: 1px solid var(--border-hairline); color: var(--cyan-700); }
.reach__txt { display: flex; flex-direction: column; gap: 3px; }
.reach__txt dt { font-size: .656rem; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-tertiary); }
.reach__txt dd { margin: 0; font-size: .875rem; font-weight: var(--fw-medium); color: var(--text-primary); }
.reach__txt dd a { color: var(--text-primary); }
.reach__txt dd a:hover { color: var(--cyan-700); }
.expect { padding: 24px 26px; border-radius: 20px; background: var(--ink-0); display: flex; flex-direction: column; gap: 16px; }
.expect img { height: 20px; width: auto; display: block; }
.expect .eyebrow { color: var(--mist-5); }
.expect ul { display: flex; flex-direction: column; gap: 11px; }
.expect li { display: flex; gap: 10px; align-items: flex-start; font-size: .8125rem; color: var(--mist-2); line-height: 1.55; }
.expect li .ico { color: var(--nef-cyan); margin-top: 2px; }

.form-card { padding: clamp(28px, 3.4vw, 40px); background: var(--bg-surface); border: 1px solid var(--border-hairline); border-radius: var(--radius-6); }
.form { display: flex; flex-direction: column; gap: 20px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: block; }
.form__label { display: block; margin-bottom: 8px; font-size: .875rem; font-weight: var(--fw-medium); line-height: 1.2; color: var(--text-secondary); }
.field {
  width: 100%; min-height: 46px; padding: 12px 14px; border-radius: 10px;
  background: var(--bg-inset); border: 1px solid var(--border-subtle);
  font-family: var(--font-body); font-size: .875rem; color: var(--text-primary); outline: none;
  transition: var(--transition-control);
}
.field:focus { border-color: var(--border-accent); box-shadow: 0 0 0 3px rgb(0 184 217 / .12); }
textarea.field { resize: vertical; line-height: var(--lh-body); min-height: 118px; }
select.field { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237d8d99' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form__consent { display: flex; gap: 11px; align-items: flex-start; cursor: pointer; }
.form__consent input { width: 17px; height: 17px; margin-top: 2px; accent-color: var(--nef-cyan); flex: 0 0 auto; }
.form__consent span { font-size: .8125rem; color: var(--text-secondary); line-height: 1.5; }
.form__status { font-size: .8125rem; line-height: 1.55; }
.form__status[data-state='error'] { color: #b1263a; }
.form__status[data-state='ok'] { color: var(--cyan-700); }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-done { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }
.form-done__ico { display: grid; place-items: center; width: 52px; height: 52px; border-radius: var(--radius-full); background: var(--bg-accent-soft); border: 1px solid var(--border-accent); color: var(--cyan-700); }
.form-done .ico { width: 24px; height: 24px; }

/* ── 17. Metin sayfalari (KVKK, gizlilik, cerez, 404) ────────────────────── */
.doc { max-width: 76ch; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }
.doc h2 { font-size: 1.5rem; letter-spacing: -.02em; margin-top: 16px; }
.doc h3 { font-size: 1.125rem; letter-spacing: -.015em; }
.doc p, .doc li { font-size: .9375rem; line-height: var(--lh-body); color: var(--text-secondary); }
.doc ul { display: flex; flex-direction: column; gap: 8px; padding-left: 20px; list-style: disc; }
.doc ul li { padding-left: 4px; }
.doc__meta { font-size: .8125rem; color: var(--text-tertiary); }
.doc__box { padding: 20px 22px; border-radius: var(--radius-5); background: var(--bg-surface); border: 1px solid var(--border-hairline); }
.notfound { min-height: 62vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 22px; }
.notfound__code { font-size: clamp(64px, 12vw, 128px); font-weight: var(--fw-semibold); letter-spacing: -.05em; line-height: 1; color: var(--mist-3); }

/* ── 18. Duyarli yerlesim ────────────────────────────────────────────────────
   Prototip yalnizca 1440px genislik icin cizilmisti; asagidaki kirilma
   noktalari mobil-oncelikli indeksleme icin sonradan tasarlandi.
   ------------------------------------------------------------------------ */

@media (max-width: 1180px) {
  .about__grid { grid-template-columns: .7fr 1fr; }
  .about__visual { grid-row: 1 / span 3; }
  .about__nums { grid-column: 2; }
  .product-strip { grid-column: 2; }
  .seo-panel { gap: 24px; }
  .venn__grid { padding: 64px 0; }
}

@media (max-width: 1023px) {
  /* Menu cubugu daralinca mega menu yerine cekmece kullanilir. */
  .nav__list, .nav__cta { display: none; }
  .nav__burger { display: grid; margin-left: auto; }
  .nav { padding-right: 12px; }
  .audience { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .audience > :only-child { grid-column: 1 / -1; }
  .track { grid-template-columns: 1fr; gap: 28px; }
  .detail__row { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 900px) {
  :root { --section-y: clamp(56px, 9vw, 84px); }

  /* Tek sutuna dusunce marka gorseli ve urun seridi bilgi tasimayan iki uzun
     blok haline geliyordu; mobilde gizlenip dogrudan metne geciliyor.
     Iki urun sayfasina giden baglantilar zaten Urunler bolumunde ve mobil
     menude var, ic baglanti kaybi yok. */
  .about__visual, .product-strip { display: none; }
  .about__grid { grid-template-columns: 1fr; gap: 24px; }
  .about__nums { grid-column: auto; }

  .product { grid-template-columns: 1fr; }
  .product__copy, .product--flip .product__copy { padding: 4px 22px 28px; order: 2; }
  .product__art, .product--flip .product__art { padding: 14px 14px 0; order: 1; }
  .shot { padding: 8px 0; perspective: none; }
  .shot__frame, .shot--right .shot__frame, .shot--left .shot__frame { transform: none; }
  .shot--right:hover .shot__frame, .shot--left:hover .shot__frame { transform: none; }
  .shot__glow { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .services-grid > .service-card--wide { grid-column: auto; }
  .service-card { padding: 26px 22px 28px; gap: 26px; }

  .seo-panel { grid-template-columns: auto minmax(0, 1fr); gap: 22px 26px; }
  .kw { grid-column: 1 / -1; }

  .venn__fields { display: none; }
  .venn__grid { grid-template-columns: 1fr; gap: 26px; padding: 0; }
  .venn__core { order: -1; }
  .venn__side, .venn__side--right { align-items: flex-start; text-align: left; }
  .venn__side li { max-width: none; }

  .faq { grid-template-columns: 1fr; gap: 28px; }
  .contact { grid-template-columns: 1fr; }
  .contact__side { order: 2; }
  .reasons { grid-template-columns: 1fr; }
  .head--split { flex-direction: column; align-items: flex-start; gap: 24px; }
  .head--split .head__r { flex: 1 1 auto; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  /* ── Mobil hero ────────────────────────────────────────────────────────
     Masaustunde kure metnin arkasinda duran orta boy bir nesne; mobilde ayni
     olcek kucucuk bir daireye donusuyordu. Burada kure ekrandan tasan bir
     arka plan nesnesine cevrildi, baslik buyutuldu ve bolum gercekten bir
     ekran yuksekligine oturtuldu. 3B kure zaten mobilde hic yuklenmiyor. */
  .hero { min-height: 88vh; }
  .hero__body {
    position: relative;
    padding-top: calc(var(--nav-h) + 52px);
    padding-bottom: 76px;
  }
  .hero h1 { font-size: clamp(40px, 12.5vw, 58px); letter-spacing: -.045em; line-height: 1; }
  .hero__lead { font-size: 1rem; line-height: 1.6; margin-top: 20px; max-width: 32ch; }
  .hero__cta { width: 100%; flex-direction: column; align-items: stretch; gap: 10px; margin-top: 32px; }
  .hero__cta .btn { justify-content: flex-start; }

  .hero__object { place-items: start center; }
  .hero__object canvas[data-globe] {
    width: 158vw; max-width: none; margin-top: -7vh;
    -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 54%, transparent 88%);
    mask-image: linear-gradient(180deg, #000 0%, #000 54%, transparent 88%);
  }
  .hero__wash {
    width: 150vw;
    background: radial-gradient(ellipse, rgb(239 244 247 / .5) 0%, rgb(239 244 247 / .18) 44%, rgb(239 244 247 / 0) 70%);
  }
  .hero__grid { background-size: 54px 54px; }

  /* Asagi devam ettigini gosteren ince isaret. */
  .hero__body::after {
    content: '';
    position: absolute; bottom: 30px; left: 50%;
    width: 18px; height: 18px;
    border-right: 1.5px solid var(--mist-4); border-bottom: 1.5px solid var(--mist-4);
    transform: translateX(-50%) rotate(45deg);
    opacity: .55;
  }
  @media (prefers-reduced-motion: no-preference) {
    .hero__body::after { animation: nef-scroll-cue 2.4s var(--ease-inout) infinite; }
  }

  .page-head .stats { gap: 22px 32px; }
  .stat__v { font-size: 1.625rem; }

  .audience { grid-template-columns: 1fr; }
  .audience--two { grid-template-columns: 1fr; }
  .about__nums { gap: 14px; }
  .fact { grid-template-columns: 1fr; gap: 4px; }
  .facts--lg .fact { grid-template-columns: 1fr; gap: 6px; }

  .track__steps { grid-template-columns: 1fr; }
  .detail__row { padding: 24px 20px; }
  .form-card { padding: 24px 20px; }
  .acc__q { padding: 18px 18px; font-size: 1rem; }
  .acc__panel p { padding: 0 18px 20px; }
  .cta-band__body { padding-top: clamp(56px, 16vw, 96px); }
  .seo-panel { grid-template-columns: 1fr; justify-items: center; }
  .legend { width: 100%; }
}

@media (max-width: 560px) {
  :root { --pad-x: 18px; }
  .product__split, .product__points, .form__row, .product-strip__row, .aud-card__buyers { grid-template-columns: 1fr; }
  .about__nums { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bar { flex-direction: column; gap: 10px; }
  .hub__tiles { gap: 4px; }
  .tile { width: 36px; height: 36px; }
  .tile--sm { width: 32px; height: 32px; }
  .tile img { width: 17px; height: 17px; }
  .chart__bar { width: 6px; }
  .venn__core { padding: 24px 22px 26px; }
  .product__copy, .product--flip .product__copy { padding: 4px 18px 24px; }
  .btn { max-width: 100%; }
  .btn__label { overflow: hidden; text-overflow: ellipsis; }
}

/* Cok genis ekranlarda hero nesnesi buyumesin */
@media (min-width: 1600px) { .hero { min-height: 880px; } }

/* ── 19. Giris ve kaydirma animasyonlari ─────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .js .nef-load { opacity: 0; transform: translateY(26px); animation: nef-load .8s cubic-bezier(.25, 1, .5, 1) forwards; }
  .js .nef-load-2 { animation-delay: .12s; }
  @keyframes nef-load { to { opacity: 1; transform: none; } }
  .js .reveal { opacity: 0; transform: translateY(38px); transition: opacity .8s cubic-bezier(.25, 1, .5, 1), transform .8s cubic-bezier(.25, 1, .5, 1); }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ── 20. Yazdirma ────────────────────────────────────────────────────────── */
@media print {
  .site-header, .drawer, .cta-band, .hero__object, .page-head__globe { display: none !important; }
  body { background: #fff; }
  .panel, .service-card, .detail__row { break-inside: avoid; }
}

/* ── 21. Hizmet ve urun ic sayfalari ─────────────────────────────────────── */
.split2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.split2--wide-left { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }

.steps-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.steps-4 .step { height: 100%; }

.link-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.link-card {
  padding: 24px; border-radius: 18px; background: var(--bg-surface);
  border: 1px solid var(--border-hairline); display: flex; flex-direction: column; gap: 8px;
  transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.link-card:hover { border-color: var(--border-accent); transform: translateY(-3px); }
.link-card b { font-size: 1rem; font-weight: var(--fw-medium); letter-spacing: -.015em; color: var(--text-primary); }
.link-card span { font-size: .8125rem; color: var(--text-secondary); line-height: 1.6; }
.link-card__go { display: inline-flex; align-items: center; gap: 7px; margin-top: auto; padding-top: 10px; font-size: .75rem; font-weight: var(--fw-medium); color: var(--cyan-700); }

/* Tanim kutusu: "X nedir?" cevabi, one cikan snippet icin duz metin */
.define { padding: clamp(24px, 3vw, 34px); border-radius: 20px; background: var(--bg-surface); border: 1px solid var(--border-hairline); display: flex; flex-direction: column; gap: 14px; }
.define p { font-size: 1rem; line-height: var(--lh-body); color: var(--text-secondary); }
.define p strong { color: var(--text-primary); font-weight: var(--fw-medium); }

/* Karsilastirma tablosu */
.table-wrap { overflow-x: auto; border-radius: var(--radius-5); border: 1px solid var(--border-hairline); background: var(--bg-surface); }
.tbl { width: 100%; border-collapse: collapse; min-width: 560px; }
.tbl th, .tbl td { padding: 14px 18px; text-align: left; font-size: .8125rem; line-height: 1.55; border-bottom: 1px solid var(--border-hairline); vertical-align: top; }
.tbl thead th { font-size: .6875rem; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--text-tertiary); font-weight: var(--fw-medium); }
.tbl tbody th { font-weight: var(--fw-medium); color: var(--text-primary); width: 30%; }
.tbl td { color: var(--text-secondary); }
.tbl tr:last-child th, .tbl tr:last-child td { border-bottom: 0; }

/* Urun sayfasi ust bloğu */
.product-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.product-hero__copy { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }
.product-hero__logo { height: 44px; width: auto; display: block; }

@media (max-width: 1023px) {
  .steps-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .link-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .split2, .split2--wide-left, .product-hero { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .steps-4, .link-cards { grid-template-columns: 1fr; }
}