/* =====================================================
   VoltGuard – vg-shell.css
   Tek site başlığı (header) + tek alt bilgi (footer).
   Kaynak: tools/shell/header.html, tools/shell/footer.html  (tools/shell.py ile her sayfaya işlenir)
   Bu dosya css/style.css'e BAĞIMLI DEĞİLDİR: 404.html ve gizlilik.html gibi bağımsız sayfalar da
   aynı başlığı/alt bilgiyi yalnızca bu dosyayla gösterir. Tüm seçiciler .vg-header / .vg-footer
   kapsamındadır (sayfaların kendi element seçicileri kabuğa sızamaz).
   ===================================================== */

/* ---------- Renk teması: açık / koyu ----------
   <html data-theme="light|dark">: tools/shell/head.html satır içi betiği ilk boyamadan önce yazar
   (kayıtlı seçim yoksa işletim sistemi tercihi); düğme ve kayıt: js/vg-shell.js (VGTheme).
   Sayfa stilleri renk DEĞERİ yerine bu --th-* tokenlarını kullanır; koyu tema yalnız tokenları değiştirir.
   Zaten koyu tasarlanmış bölümler (hero, VoltSim, alt bilgi, başlık) iki temada da aynı kalır.
   Fotoğraf/logo/çizimler asla filtrelenmez; saydam çizimlere koyu temada açık zemin verilir (.th-paper). */
:root {
  --th-page: #fff;
  --th-surface: #fff;
  --th-surface-2: #f8fafc;
  --th-surface-3: #f1f5f9;
  --th-surface-4: #e2e8f0;
  --th-heading: #0a1628;
  --th-navy: #1e3a5f;
  --th-text: #1e293b;
  --th-text-2: #475569;
  --th-muted: #5b6b7c;
  --th-border: #e2e8f0;
  --th-border-strong: #cbd5e1;
  --th-accent-text: #b45309;
  --th-amber-ink: #92400e;
  --th-amber-ink-2: #78350f;
  --th-red-ink: #b91c1c;
  --th-green-ink: #166534;
  --th-blue-ink: #1e3a8a;
  --th-pink-ink: #9d174d;
  --th-violet-ink: #4c1d95;
  --th-tint-amber: #fffbeb;
  --th-tint-amber-2: #fef3c7;
  --th-tint-red: #fef2f2;
  --th-tint-red-2: #fee2e2;
  --th-tint-green: #f0fdf4;
  --th-tint-green-2: #dcfce7;
  --th-tint-blue: #eff6ff;
  --th-tint-blue-2: #dbeafe;
  --th-tint-violet: #ede9fe;
  --th-tint-pink: #fce7f3;
  --th-amber-line: #fde68a;
  --th-red-line: #fecaca;
  --th-green-line: #bbf7d0;
  --th-blue-line: #bfdbfe;
  --th-input-bg: #fff;
  --th-input-border: #cbd5e1;
  --th-placeholder: #64748b;
  --th-code-bg: #f1f5f9;
  --th-paper: #fff;                /* saydam görsel/çizim zemini: iki temada da açık */
  --th-paper-ink: #1e293b;
  --th-shadow-rgb: 15, 23, 42;
  --th-shadow-a: .08;
  /* css/style.css ile aynı anlamsal değişkenler: style.css yüklemeyen sayfalarda (hizmetler, araclar, voltsim) da tanımlı */
  --clr-text: #1e293b;
  --clr-text-muted: #5b6b7c;
  --clr-bg: #f8fafc;
  --clr-bg-gray: #f1f5f9;
  --clr-border: #e2e8f0;
  --clr-accent-text: #b45309;
}
:root[data-theme="dark"] {
  --th-page: #0a1220;
  --th-surface: #121e31;
  --th-surface-2: #0e1829;
  --th-surface-3: #172539;
  --th-surface-4: #203049;
  --th-heading: #f1f5f9;
  --th-navy: #b3cbe8;
  --th-text: #d6dfea;
  --th-text-2: #bac7d6;
  --th-muted: #a0b1c5;
  --th-border: #26374f;
  --th-border-strong: #3a4f6b;
  --th-accent-text: #fbbf24;
  --th-amber-ink: #fcd34d;
  --th-amber-ink-2: #fde68a;
  --th-red-ink: #fca5a5;
  --th-green-ink: #86efac;
  --th-blue-ink: #93c5fd;
  --th-pink-ink: #f9a8d4;
  --th-violet-ink: #c4b5fd;
  --th-tint-amber: #261f10;
  --th-tint-amber-2: #33290f;
  --th-tint-red: #2a1518;
  --th-tint-red-2: #3a1b1f;
  --th-tint-green: #0f2419;
  --th-tint-green-2: #143021;
  --th-tint-blue: #111f37;
  --th-tint-blue-2: #172b4b;
  --th-tint-violet: #211a3a;
  --th-tint-pink: #2e1626;
  --th-amber-line: #6b5214;
  --th-red-line: #7f2d33;
  --th-green-line: #1f5a3a;
  --th-blue-line: #2b4a7a;
  --th-input-bg: #0d1726;
  --th-input-border: #42587a;
  --th-placeholder: #8a9bb0;
  --th-code-bg: #1a283e;
  --th-shadow-rgb: 0, 0, 0;
  --th-shadow-a: .4;
  /* css/style.css ve türevlerinin anlamsal değişkenleri */
  --clr-text: var(--th-text);
  --clr-text-muted: var(--th-muted);
  --clr-bg: var(--th-surface-2);
  --clr-bg-gray: var(--th-surface-3);
  --clr-border: var(--th-border);
  --clr-accent-text: var(--th-accent-text);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.35), 0 1px 2px rgba(0,0,0,.25);
  --shadow-md: 0 4px 8px -1px rgba(0,0,0,.4), 0 2px 4px -1px rgba(0,0,0,.25);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,.45), 0 4px 6px -2px rgba(0,0,0,.3);
  --shadow-xl: 0 20px 40px -8px rgba(0,0,0,.55), 0 8px 12px -4px rgba(0,0,0,.3);
}
/* Tema değişiminde yumuşak geçiş (yalnız düğmeyle değiştirince; hareket azaltma tercihinde yok) */
@media (prefers-reduced-motion: no-preference) {
  html.vg-theme-anim body,
  html.vg-theme-anim body *:not(canvas):not(img):not(video) { transition: background-color .25s ease, border-color .25s ease, color .2s ease !important; }
}
/* Açık ada: koyu temada da açık kalması gereken bölgeler (araç çalışma alanları, rapor önizlemeleri,
   ayrı React uygulaması). Tokenları açık değerlere döndürür. */
:root[data-theme="dark"] :is(.th-light, body.vg-engineering--tool, body.company-page) {
  color-scheme: light;
    --th-page: #fff; --th-surface: #fff; --th-surface-2: #f8fafc; --th-surface-3: #f1f5f9; --th-surface-4: #e2e8f0;
    --th-heading: #0a1628; --th-navy: #1e3a5f; --th-text: #1e293b; --th-text-2: #475569; --th-muted: #5b6b7c;
    --th-border: #e2e8f0; --th-border-strong: #cbd5e1; --th-accent-text: #b45309;
    --th-amber-ink: #92400e; --th-amber-ink-2: #78350f; --th-red-ink: #b91c1c; --th-green-ink: #166534; --th-blue-ink: #1e3a8a;
    --th-pink-ink: #9d174d; --th-violet-ink: #4c1d95;
    --th-tint-amber: #fffbeb; --th-tint-amber-2: #fef3c7; --th-tint-red: #fef2f2; --th-tint-red-2: #fee2e2;
    --th-tint-green: #f0fdf4; --th-tint-green-2: #dcfce7; --th-tint-blue: #eff6ff; --th-tint-blue-2: #dbeafe;
    --th-tint-violet: #ede9fe; --th-tint-pink: #fce7f3;
    --th-amber-line: #fde68a; --th-red-line: #fecaca; --th-green-line: #bbf7d0; --th-blue-line: #bfdbfe;
    --th-input-bg: #fff; --th-input-border: #cbd5e1; --th-placeholder: #64748b; --th-code-bg: #f1f5f9;
    --th-shadow-rgb: 15, 23, 42; --th-shadow-a: .08;
  --clr-text: #1e293b; --clr-text-muted: #5b6b7c; --clr-bg: #f8fafc; --clr-bg-gray: #f1f5f9; --clr-border: #e2e8f0; --clr-accent-text: #b45309;
}
/* Saydam zeminli çizim/logo/diyagram: koyu temada açık "kâğıt" zemin (görsel hiçbir zaman filtrelenmez) */
:root[data-theme="dark"] .th-paper { background-color: var(--th-paper); color: var(--th-paper-ink); border-radius: 8px; }
:root[data-theme="dark"] img.th-paper { padding: 4px; }
/* Form alanları: yer tutucu ve tarayıcı varsayılan zemini (alanı kendisi boyamayan sayfalar için) */
::placeholder { color: var(--th-placeholder); opacity: 1; }
/* Koyu zeminde alan sınırları görünür kalsın (odak / hata durumları kendi renklerini korur) */
:root[data-theme="dark"] :is(input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]):not([type=submit]):not([type=button]):not([type=reset]):not([type=hidden]), select, textarea):not(:focus):not([aria-invalid="true"]):not(:is(.th-light, .vg-engineering--tool, .company-page, .vs-app, .vg-header) *) { border-color: var(--th-input-border); }
:root[data-theme="dark"] :is(input, textarea, select):not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]) { accent-color: #f59e0b; }
/* Yazdırma ve PDF her zaman açık temadır */
@media print {
  :root[data-theme="dark"] {
    color-scheme: light;
    --th-page: #fff; --th-surface: #fff; --th-surface-2: #f8fafc; --th-surface-3: #f1f5f9; --th-surface-4: #e2e8f0;
    --th-heading: #0a1628; --th-navy: #1e3a5f; --th-text: #1e293b; --th-text-2: #475569; --th-muted: #5b6b7c;
    --th-border: #e2e8f0; --th-border-strong: #cbd5e1; --th-accent-text: #b45309;
    --th-amber-ink: #92400e; --th-amber-ink-2: #78350f; --th-red-ink: #b91c1c; --th-green-ink: #166534; --th-blue-ink: #1e3a8a;
    --th-pink-ink: #9d174d; --th-violet-ink: #4c1d95;
    --th-tint-amber: #fffbeb; --th-tint-amber-2: #fef3c7; --th-tint-red: #fef2f2; --th-tint-red-2: #fee2e2;
    --th-tint-green: #f0fdf4; --th-tint-green-2: #dcfce7; --th-tint-blue: #eff6ff; --th-tint-blue-2: #dbeafe;
    --th-tint-violet: #ede9fe; --th-tint-pink: #fce7f3;
    --th-amber-line: #fde68a; --th-red-line: #fecaca; --th-green-line: #bbf7d0; --th-blue-line: #bfdbfe;
    --th-input-bg: #fff; --th-input-border: #cbd5e1; --th-placeholder: #64748b; --th-code-bg: #f1f5f9;
    --th-shadow-rgb: 15, 23, 42; --th-shadow-a: .08;
    background: #fff;
  }
}

/* ---------- Tokenlar ---------- */
:root {
  --vg-navy: #0a1628;
  --vg-navy-2: #0d1f3c;
  --vg-navy-3: #132a4d;
  --vg-line: rgba(255, 255, 255, .08);
  --vg-accent: #f59e0b;
  --vg-accent-2: #d97706;
  --vg-accent-light: #fcd34d;
  --vg-electric: #3b82f6;
  --vg-white: #fff;
  --vg-header-h: 60px;               /* başlık çubuğu yüksekliğinin TEK kaynağı (.vg-header__bar height) */
  --vg-ease: cubic-bezier(.22, .8, .3, 1);
  --vg-font-h: 'Outfit', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --vg-font-b: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  /* Çapa (#bölüm) kaydırmalarında içerik yapışkan başlığın altında kalmasın */
  scroll-padding-top: calc(var(--vg-header-h) + 12px);
}
@media (min-width: 80rem) {
  :root { --vg-header-h: 68px; }
}
main:focus { outline: 0; }
[data-vg-anchor-focus]:focus { outline: 0; }

/* ---------- Sayfalar arası geçiş (Chrome 126+ cross-document view transitions) ----------
   @view-transition kuralı BURADA DEĞİL, tools/shell/head.html'deki satır içi <style>'dadır.
   Neden: Chromium yeni sayfanın katılımını (opt-in) ayrıştırıcı <body>'ye ulaştığı anda o an etkin
   stillerle değerlendirir. Kural harici bir CSS dosyasında olursa ve dosya <body>'den önce inmezse
   geçiş "InvalidStateError: ... ViewTransition opt-in disabled" ile iptal edilir (rastgele, ağa bağlı).
   Satır içi kural her zaman <body>'den önce etkindir. Buraya tekrar EKLEMEYİN. */

/* ---------- Ana içeriğe geç (skip link) ---------- */
.skip-to-content {
  position: fixed;
  top: -140%;
  left: 1rem;
  z-index: 99999;
  padding: .65rem 1.3rem;
  background: var(--vg-accent);
  color: var(--vg-navy);
  font: 700 .9rem/1.2 var(--vg-font-h);
  border-radius: 0 0 8px 8px;
  text-decoration: none;
  transition: top .2s ease;
}
.skip-to-content:focus {
  top: 0;
  outline: 3px solid var(--vg-navy);
  outline-offset: 2px;
}

/* ---------- Ortak kapsam: sızıntı koruması ---------- */
.vg-header,
.vg-footer { box-sizing: border-box; }
.vg-header *,
.vg-header *::before,
.vg-header *::after,
.vg-footer *,
.vg-footer *::before,
.vg-footer *::after { box-sizing: border-box; }
:where(.vg-header, .vg-footer) :where(ul, li, p, h3, address) { margin: 0; padding: 0; list-style: none; }
.vg-header a,
.vg-footer a { text-decoration: none; }
.vg-header :focus-visible,
.vg-footer :focus-visible {
  outline: 2px solid var(--vg-accent);
  outline-offset: 2px;
}
.vg-wrap {
  width: 100%;
  max-width: clamp(82.5rem, calc(88vw + 7.5rem), 102.5rem); /* style.css --container-max ile aynı oranda büyür (+120 px) */
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Asıl VoltGuard logosu (header + footer) ---------- */
.vg-brand__image {
  display: block;
  width: 50px;
  height: 50px;
  flex: none;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
}
.vg-brand__copy { display: flex; flex-direction: column; min-width: 0; }
.logo-mark {
  display: flex;
  align-items: center;
  font-family: var(--vg-font-h);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1;
  position: relative;
  white-space: nowrap;
}
.logo-mark--footer { font-size: 1.5rem; }
.logo-mark__volt { color: #fff; }
.logo-mark__guard { color: #54c9e2; }
.logo-mark__tagline {
  display: block;
  margin-top: 5px;
  font: 500 .51rem/1.1 var(--vg-font-h);
  letter-spacing: .15em;
  text-transform: none;
  color: rgba(255, 255, 255, .62);
  white-space: nowrap;
}

/* =====================================================
   HEADER
   ===================================================== */
/* Not: başlıktaki "doc-header" sınıfı yalnızca uyumluluk içindir — js/voltguard-forms.js exportHtml()
   kaydedilen form kopyasından '.doc-header, .footer' öğelerini siler. Bu sınıfa STİL VERMEYİN. */
.vg-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--vg-header-h);
  background: rgba(10, 22, 40, .97);
  -webkit-backdrop-filter: blur(12px) saturate(1.25);
  backdrop-filter: blur(12px) saturate(1.25);
  border-bottom: 1px solid var(--vg-line);
  color: #fff;
  font-family: var(--vg-font-h);
  font-size: 1rem;
  line-height: 1.2;
  text-align: left;
  transition: box-shadow .25s ease, background-color .25s ease;
}
.vg-header.is-scrolled {
  background: rgba(8, 18, 34, .985);
  box-shadow: 0 10px 30px -12px rgba(2, 8, 20, .65);
}
/* Okuma ilerlemesi: header alt çizgisi (scroll-driven animation; desteklenmezse görünmez) */
.vg-header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--vg-accent), var(--vg-electric));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .vg-header::after {
      animation: vgReadProgress linear both;
      animation-timeline: scroll(root block);
    }
    body:has(#scrollProgress) .vg-header::after { display: none; }
  }
}
@keyframes vgReadProgress { to { transform: scaleX(1); } }

.vg-header__bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 100%;
}
.vg-brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  flex: none;
  color: #fff;
  border-radius: 8px;
}

/* ---------- Hamburger (mobil) ---------- */
.vg-burger {
  order: 3;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin: 0 -10px 0 auto;
  padding: 0 10px;
  background: transparent;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.vg-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .25s var(--vg-ease), opacity .2s ease;
}
.vg-header.is-open .vg-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.vg-header.is-open .vg-burger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.vg-header.is-open .vg-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Menü paneli (mobil: kayarak açılan panel) ---------- */
.vg-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 2;
  max-height: calc(100vh - var(--vg-header-h));
  max-height: calc(100dvh - var(--vg-header-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: .35rem max(1.25rem, calc((100% - 40rem) / 2)) calc(1.25rem + env(safe-area-inset-bottom, 0px));
  background: var(--vg-navy);
  border-top: 1px solid var(--vg-line);
  box-shadow: 0 34px 60px -24px rgba(0, 0, 0, .7);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity .2s ease, transform .26s var(--vg-ease), visibility 0s linear .26s;
}
.vg-header.is-open .vg-nav {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}
.vg-scrim {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  z-index: 1;
  background: rgba(2, 8, 20, .6);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s ease, visibility 0s linear .22s;
}
.vg-header.is-open .vg-scrim { opacity: 1; visibility: visible; transition-delay: 0s; }
html.vg-lock { overflow: hidden; }

.vg-nav__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: .5rem; }
.vg-nav__list > li { grid-column: 1 / -1; border-bottom: 1px solid var(--vg-line); }
.vg-nav__feature-icon { display: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 79.99rem) {
  /* Kapalı paneli yerleşimden çıkar: mobil tarayıcılar açılışta metni yeniden çizer. */
  html.vg-js .vg-header:not(.is-open) .vg-nav { display: none; }
  .vg-nav__list > .vg-nav__feature { grid-column: auto; border: 0; margin-top: .85rem; }
  .vg-header .vg-nav__feature .vg-nav__link {
    flex-direction: column;
    justify-content: center;
    gap: .45rem;
    min-height: 76px;
    padding: .6rem .2rem;
    border: 1px solid var(--vg-line);
    border-radius: 10px;
    background: rgba(255, 255, 255, .04);
    font-size: .86rem;
  }
  .vg-header .vg-nav__feature .vg-nav__link[aria-current] { padding-left: .2rem; border-color: var(--vg-accent); box-shadow: none; }
  .vg-header .vg-nav__feature .vg-nav__link:hover { background: rgba(255, 255, 255, .09); }
  .vg-nav__feature-icon { display: block; flex: none; color: var(--vg-electric); }
  .vg-header .vg-nav__feature .vg-new { display: none; }
}
.vg-header .vg-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  width: 100%;
  min-height: 52px;
  padding: .8rem .35rem;
  font: 600 1.02rem/1.2 var(--vg-font-h);
  color: rgba(255, 255, 255, .9);
  background: transparent;
  border: 0;
  border-radius: 0;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  transition: color .2s ease, background-color .2s ease;
}
.vg-header .vg-nav__link:hover { color: #fff; }
.vg-header .vg-nav__link[aria-current],
.vg-header .vg-nav__link.is-active {
  color: #fff;
  box-shadow: inset 3px 0 0 var(--vg-accent);
  padding-left: .8rem;
}
/* VoltSim: küçük "3D" etiketi (mobilde satırın sağında, masaüstünde metnin yanında) */
.vg-header .vg-nav__link--sim .vg-new {
  order: 3;
  margin-left: auto;
  padding: 2px 5px;
  border-radius: 4px;
  font: 700 .6875rem/1 var(--vg-font-h);
  letter-spacing: .04em;
  color: var(--vg-navy);
  background: linear-gradient(135deg, #54c9e2, var(--vg-accent-light));
}
/* Açılır menüler (Hizmetler / Kurumsal / Teknik Kaynaklar): mobilde akordeon, masaüstünde panel */
.vg-dd__btn::before {
  content: '';
  order: 3;
  flex: none;
  width: 8px;
  height: 8px;
  margin: 0 .1rem 3px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform .22s var(--vg-ease);
}
.vg-dd[data-open] > .vg-dd__btn::before { transform: rotate(225deg); margin-bottom: -3px; }
.vg-dd[data-open] > .vg-dd__btn { color: #fff; }
.vg-dd:has([aria-current]) > .vg-dd__btn { color: #fff; box-shadow: inset 3px 0 0 var(--vg-accent); padding-left: .8rem; }
.vg-dd__menu {
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  transition: max-height .28s var(--vg-ease), opacity .2s ease, visibility 0s linear .28s;
}
.vg-dd[data-open] > .vg-dd__menu {
  max-height: 80rem;
  visibility: visible;
  opacity: 1;
  padding-bottom: .6rem;
  transition-delay: 0s;
}
.vg-dd__item {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .6rem .5rem;
  color: #fff;
  border-radius: 10px;
  transition: background-color .2s ease;
}
.vg-dd__item:hover { background: rgba(255, 255, 255, .07); }
.vg-dd__item[aria-current] { background: rgba(245, 158, 11, .12); }
.vg-dd__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  color: var(--vg-accent);
  background: rgba(245, 158, 11, .12);
  transition: background-color .2s ease, color .2s ease, transform .25s var(--vg-ease);
}
.vg-ico { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.vg-dd__item:hover .vg-dd__ico,
.vg-dd__item[aria-current] .vg-dd__ico { background: var(--vg-accent); color: var(--vg-navy); transform: scale(1.06); }
.vg-dd__txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.vg-dd__txt strong { font: 600 .95rem/1.2 var(--vg-font-h); color: #fff; }
.vg-dd__txt small { font: 400 .78rem/1.3 var(--vg-font-b); color: rgba(255, 255, 255, .62); }
/* Gruplu menü: grup etiketi başlık DEĞİLDİR (sayfa başlık hiyerarşisine karışmasın); liste aria-labelledby ile bağlanır */
.vg-dd__group + .vg-dd__group { margin-top: .35rem; }
.vg-dd__label {
  display: block;
  padding: .7rem .5rem .3rem;
  font: 700 .7rem/1.2 var(--vg-font-h);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
}
.vg-dd__link,
.vg-dd__more {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: .55rem .5rem;
  font: 500 .95rem/1.25 var(--vg-font-h);
  color: rgba(255, 255, 255, .88);
  border-radius: 8px;
  transition: background-color .2s ease, color .2s ease;
}
.vg-dd__link:hover,
.vg-dd__more:hover { color: #fff; background: rgba(255, 255, 255, .07); }
.vg-dd__link[aria-current],
.vg-dd__more[aria-current] { color: #fff; background: rgba(245, 158, 11, .12); box-shadow: inset 3px 0 0 var(--vg-accent); }
.vg-dd__foot { display: flex; flex-wrap: wrap; gap: .25rem 1rem; margin-top: .35rem; padding-top: .35rem; border-top: 1px solid var(--vg-line); }
.vg-dd__more { font-weight: 600; color: var(--vg-accent-light); }
.vg-dd__more::after { content: '→'; margin-left: .4rem; transition: transform .2s var(--vg-ease); }
.vg-dd__more:hover::after { transform: translateX(3px); }

/* Panel altı: hesap + teklif (mobil) */
.vg-nav__foot { display: grid; gap: .65rem; margin-top: 1.1rem; }
.vg-nav__foot .vg-account,
.vg-nav__foot .vg-cta { width: 100%; justify-content: center; min-height: 48px; max-width: none; text-align: center; }
.vg-actions { display: none; }

/* ---------- Site içi arama bağlantısı (/arama.html) ---------- */
.vg-search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 44px;
  height: 44px;
  color: rgba(255, 255, 255, .92);
  border: 1px solid transparent;
  border-radius: 10px;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.vg-search::before {
  content: '';
  width: 20px;
  height: 20px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4.2-4.2'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4.2-4.2'/%3E%3C/svg%3E") center / contain no-repeat;
}
.vg-search:hover, .vg-search[aria-current] { color: #fff; border-color: var(--vg-accent); background: rgba(245, 158, 11, .1); }
/* Mobilde menü düğmesinin solunda; boş alanı yalnız arama düğmesi itsin */
.vg-search--bar { order: 3; margin-left: auto; }
.vg-search--bar ~ .vg-burger { margin-left: .15rem; }
.vg-actions .vg-search { width: 40px; height: 40px; }
@media (min-width: 80rem) {
  .vg-search--bar { display: none; }
}

/* ---------- Tema düğmesi ([data-vg-theme-toggle]) ---------- */
.vg-theme {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  flex: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: rgba(255, 255, 255, .92);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  font: 600 .95rem/1.2 var(--vg-font-h);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.vg-theme svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.vg-theme__sun { display: none; }
:root[data-theme="dark"] .vg-theme__sun { display: block; }
:root[data-theme="dark"] .vg-theme__moon { display: none; }
.vg-theme:hover { color: #fff; border-color: var(--vg-accent); background: rgba(245, 158, 11, .1); }
.vg-theme--row {
  width: 100%;
  height: auto;
  min-height: 48px;
  padding: .7rem 1rem;
  border-color: rgba(255, 255, 255, .2);
}
@media (prefers-reduced-motion: no-preference) {
  .vg-theme svg { transition: transform .35s var(--vg-ease); }
  .vg-theme:active svg { transform: rotate(-25deg) scale(.92); }
}

.vg-theme--bar { order: 3; }
.vg-actions .vg-theme { width: 40px; height: 40px; }
@media (max-width: 25rem) {
  html[data-theme] .vg-header__bar { gap: .35rem; }
  html[data-theme] .vg-brand .logo-mark__tagline { display: none; }
}
@media (min-width: 80rem) {
  .vg-theme--bar { display: none; }
}

/* ---------- Hesap bağlantısı ([data-vg-account]) ---------- */
.vg-account {
  display: inline-block;
  max-width: 9rem;
  min-height: 40px;
  padding: .72rem .85rem;
  font: 600 .86rem/1 var(--vg-font-h);
  color: rgba(255, 255, 255, .92);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}
.vg-account::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: .45rem;
  vertical-align: -3px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='12' cy='7' r='4'/%3E%3C/svg%3E") center / contain no-repeat;
}
.vg-account:hover { color: #fff; border-color: var(--vg-accent); background: rgba(245, 158, 11, .1); }
.vg-account[aria-current] { color: #fff; border-color: var(--vg-accent); }

/* ---------- Teklif Al düğmesi ---------- */
.vg-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 40px;
  padding: .72rem 1.15rem;
  font: 700 .88rem/1 var(--vg-font-h);
  color: var(--vg-navy);
  background: var(--vg-accent);
  border: 2px solid var(--vg-accent);
  border-radius: 8px;
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .25s ease, background-color .2s ease, border-color .2s ease;
}
.vg-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 55%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, .5), transparent);
  transition: left .55s ease;
  pointer-events: none;
}
.vg-cta::after {
  content: '';
  width: 14px;
  height: 14px;
  flex: none;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 5l7 7-7 7'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 5l7 7-7 7'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform .25s var(--vg-ease);
}
.vg-cta:hover {
  background: var(--vg-accent-2);
  border-color: var(--vg-accent-2);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(245, 158, 11, .4), 0 0 0 4px rgba(245, 158, 11, .14);
}
.vg-cta:hover::before { left: 130%; }
.vg-cta:hover::after { transform: translateX(3px); }
.vg-cta--ghost {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, .35);
}
.vg-cta--ghost::after { display: none; }
.vg-cta--ghost:hover { color: var(--vg-navy); background: #fff; border-color: #fff; box-shadow: 0 8px 22px rgba(255, 255, 255, .18); }

/* =====================================================
   HEADER — masaüstü çubuğu (>= 1280px)
   ===================================================== */
@media (min-width: 80rem) {
  .vg-header__bar { gap: .75rem; }
  .vg-burger { display: none; }
  .vg-scrim { display: none; }
  .vg-nav {
    position: static;
    flex: 1 1 auto;
    min-width: 0;
    max-height: none;
    overflow: visible;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
    display: flex;
    justify-content: center;
  }
  .vg-nav__list { display: flex; align-items: center; justify-content: center; gap: .1rem; }
  .vg-nav__list > li { border: 0; }
  .vg-nav__foot { display: none; }
  .vg-actions { display: flex; align-items: center; gap: .5rem; flex: none; }
  .vg-header .vg-nav__link {
    display: inline-flex;
    justify-content: center;
    width: auto;
    min-height: 40px;
    padding: .55rem .5rem;
    font-size: .83rem;
    border-radius: 8px;
  }
  .vg-header .vg-nav__link::after {
    content: '';
    position: absolute;
    left: .5rem;
    right: .5rem;
    bottom: 3px;
    height: 2px;
    border-radius: 2px;
    background: var(--vg-accent);
    transform: scaleX(0);
    transition: transform .26s var(--vg-ease);
  }
  .vg-header .vg-nav__link:hover { background: rgba(255, 255, 255, .06); }
  .vg-header .vg-nav__link:hover::after,
  .vg-header .vg-nav__link[aria-current]::after,
  .vg-header .vg-nav__link.is-active::after { transform: scaleX(1); }
  .vg-header .vg-nav__link[aria-current],
  .vg-header .vg-nav__link.is-active,
  .vg-dd:has([aria-current]) > .vg-dd__btn { box-shadow: none; padding-left: .5rem; }
  .vg-header .vg-nav__link--sim .vg-new { order: 0; margin-left: .1rem; }
  .vg-nav__home { display: none; }               /* masaüstünde logo ana sayfaya gider */
  .vg-dd__btn::before { margin: 0 0 3px .05rem; }
  .vg-dd[data-open] > .vg-dd__btn::before { margin-bottom: -3px; }

  .vg-dd { position: relative; }
  .vg-dd__menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    z-index: 5;
    width: 20rem;
    max-height: none;
    padding: .5rem;
    overflow: visible;
    background: var(--vg-navy-2);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 14px;
    box-shadow: 0 26px 50px -14px rgba(0, 0, 0, .6), 0 0 0 1px rgba(245, 158, 11, .06);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, 8px);
    transition: opacity .18s ease, transform .2s var(--vg-ease), visibility 0s linear .2s;
  }
  .vg-dd__menu::before { /* fare köprüsü: düğme ile panel arasındaki boşlukta menü kapanmasın */
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: -14px;
    height: 14px;
  }
  .vg-dd[data-open] > .vg-dd__menu {
    max-height: none;
    padding-bottom: .5rem;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
    transition-delay: 0s;
  }
  .vg-dd__item { padding: .55rem .6rem; }
  .vg-dd__menu > ul { display: grid; }
  .vg-dd__label { padding: .5rem .6rem .35rem; }
  .vg-dd__link { min-height: 40px; padding: .5rem .6rem; font-size: .9rem; }
  .vg-dd__foot { padding: .5rem .1rem 0; }
  .vg-dd__more { min-height: 40px; padding: .5rem .6rem; font-size: .88rem; }
  .vg-dd__group + .vg-dd__group { margin-top: 0; }
  /* Mega panel: başlığa göre ortalanır (düğmenin konumundan bağımsız, dar masaüstünde taşmaz) */
  .vg-dd:has(> .vg-dd__menu--mega) { position: static; }
  .vg-dd__menu--mega {
    top: calc(100% - 2px);
    width: min(58rem, calc(100vw - 2.5rem));
    padding: .75rem;
  }
  .vg-dd__cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .25rem 1rem; }
  .vg-dd__menu--mega .vg-dd__item { align-items: flex-start; }
}

/* =====================================================
   FOOTER
   ===================================================== */
.vg-footer {
  position: relative;
  margin: 0;
  padding: 0;
  background: var(--vg-navy);
  color: #fff;
  font-family: var(--vg-font-b);
  font-size: 1rem;
  line-height: 1.6;
  text-align: left;
  border: 0;
  clear: both;
}
.vg-footer::before { /* enerji çizgisi */
  content: '';
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--vg-accent), var(--vg-electric) 55%, transparent);
}
.vg-footer__cta {
  background: linear-gradient(135deg, var(--vg-navy-2), var(--vg-navy-3));
  border-bottom: 1px solid var(--vg-line);
}
.vg-footer__cta-in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
}
.vg-footer__cta-text { display: flex; flex-direction: column; gap: .25rem; min-width: 0; flex: 1 1 22rem; }
.vg-footer__cta-text strong { font: 700 1.25rem/1.3 var(--vg-font-h); color: #fff; }
.vg-footer__cta-text span { font-size: .93rem; color: rgba(255, 255, 255, .72); }
.vg-footer__cta-btns { display: flex; flex-wrap: wrap; gap: .65rem; }
.vg-footer__cta .vg-cta { min-height: 46px; padding: .8rem 1.4rem; font-size: .93rem; }

.vg-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  padding: 3rem 0 2.25rem;
  border-bottom: 1px solid var(--vg-line);
}
.vg-footer__logo { display: inline-flex; align-items: center; gap: .75rem; margin-bottom: 1rem; color: #fff; border-radius: 8px; }
.vg-footer__desc { max-width: 28rem; margin-bottom: 1.25rem; font-size: .9rem; line-height: 1.75; color: rgba(255, 255, 255, .62); }
.vg-footer__contact { display: grid; gap: .45rem; margin-bottom: 1rem; }
.vg-footer__contact a,
.vg-footer__addr,
.vg-footer__person {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .9rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, .78);
  font-style: normal;
}
.vg-footer__contact a { align-items: center; width: fit-content; min-height: 32px; transition: color .2s ease; } /* dokunma hedefi ≥ 24 px (WCAG 2.5.8) */
.vg-footer__contact a:hover { color: var(--vg-accent); }
.vg-footer__contact i,
.vg-footer__addr i,
.vg-footer__person i { flex: none; width: 1rem; color: var(--vg-accent); text-align: center; }
.vg-footer__addr { margin-bottom: .6rem; color: rgba(255, 255, 255, .68); }
.vg-footer__addr i { margin-top: .3rem; }
.vg-footer__person { align-items: center; color: rgba(255, 255, 255, .75); }

.vg-footer__nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
.vg-footer__h {
  position: relative;
  margin-bottom: 1rem;
  padding-bottom: .65rem;
  font: 700 .76rem/1.2 var(--vg-font-h);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
}
.vg-footer__h::after { content: ''; position: absolute; left: 0; bottom: 0; width: 22px; height: 2px; border-radius: 2px; background: var(--vg-accent); }
.vg-footer__col ul { display: grid; gap: .15rem; }
.vg-footer__col a {
  display: inline-block;
  padding: .28rem 0;
  font-size: .9rem;
  line-height: 1.4;
  color: rgba(255, 255, 255, .74);
  transition: color .2s ease, transform .25s var(--vg-ease);
}
.vg-footer__col a:hover { color: var(--vg-accent); transform: translateX(3px); }
.vg-footer__col a[aria-current] { color: #fff; }

/* iyzico / kart logolari (iyzico uye isyeri kriteri); footer her temada koyu oldugu icin beyaz bant */
.vg-footer__pay {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .5rem 1.25rem;
  padding: 1.1rem 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: .8rem;
  color: rgba(255, 255, 255, .62);
  text-align: center;
}
.vg-footer__pay img { width: min(100%, 428px); height: auto; opacity: .92; }
.vg-footer__pay p { margin: 0; }
.vg-footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .9rem;
  padding: 1.4rem 0;
  font-size: .82rem;
  color: rgba(255, 255, 255, .58);
  text-align: center;
}
.vg-footer__bottom p { margin: 0; color: inherit; }
.vg-footer__legal { color: rgba(255, 255, 255, .72); text-decoration: underline !important; text-underline-offset: 3px; transition: color .2s ease; }
.vg-footer__legal:hover { color: var(--vg-accent-light); }
.vg-footer__social { display: flex; align-items: center; gap: .65rem; }
.vg-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .72);
  font-size: .95rem;
  transition: background-color .25s ease, color .25s ease, transform .25s var(--vg-ease);
}
.vg-footer__social a:hover { background: var(--vg-accent); color: var(--vg-navy); transform: translateY(-3px); }

@media (min-width: 48rem) {
  .vg-footer__nav { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem 1.25rem; }
  .vg-footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }
  .vg-footer__grid { padding: 3.25rem 0 2.5rem; }
}
@media (min-width: 64rem) {
  .vg-footer__grid { grid-template-columns: minmax(0, 20rem) minmax(0, 1fr); gap: 3.5rem; }
  .vg-footer__nav { gap: 2rem 1.5rem; }
}
@media (max-width: 47.99rem) {
  body:has(.mobile-cta) .vg-footer { padding-bottom: calc(4.5rem + env(safe-area-inset-bottom, 0px)); }
}

/* =====================================================
   FOOTER İMZASI — SVG devre izi (kaynak: eski style.css; token adları --vg-* oldu)
   ===================================================== */
.footer__signature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 2.25rem 0 2.5rem;
  position: relative;
}

/* ---- SVG Circuit Traces ---- */
.sig-trace {
  flex: 1;
  height: 20px;
  min-width: 0;
  overflow: visible;
}

.sig-trace__path {
  fill: none;
  stroke: rgba(245,158,11,.18);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sig-trace__dot {
  fill: var(--vg-accent);
  filter: drop-shadow(0 0 4px rgba(245,158,11,.7)) drop-shadow(0 0 10px rgba(245,158,11,.3));
}

/* ---- Junction Nodes ---- */
.sig-node {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--vg-accent);
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 0 6px rgba(245,158,11,.4), 0 0 14px rgba(245,158,11,.12);
}

/* Parlama nabzı: güçlü gölge ayrı katmanda, yalnızca opacity canlandırılır */
.sig-node::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(245,158,11,.6), 0 0 24px rgba(245,158,11,.2);
  opacity: 0;
  animation: sigNodePulse 3s ease-in-out infinite;
  pointer-events: none;
}

.sig-node::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(245,158,11,.2);
  animation: sigNodeRing 3s ease-in-out infinite;
}

@keyframes sigNodePulse {
  0%, 100% { opacity: 0; }
  50%      { opacity: 1; }
}

@keyframes sigNodeRing {
  0%, 100% { transform: scale(1); opacity: .6; }
  50%      { transform: scale(1.4); opacity: 0; }
}

/* ---- Main Badge ---- */
.sig-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: .65rem 1.1rem .65rem .65rem;
  border-radius: 9999px;
  border: 1px solid rgba(245,158,11,.18);
  background: linear-gradient(160deg, rgba(10,22,40,.97), rgba(13,31,60,.92));
  transition: all .5s cubic-bezier(.25,.8,.25,1);
  flex-shrink: 0;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1;
  text-decoration: none;
  margin: 0 .25rem;
}

.sig-badge:focus-visible {
  outline: 2px solid var(--vg-accent);
  outline-offset: 3px;
}

.sig-badge:hover {
  border-color: rgba(245,158,11,.5);
  background: linear-gradient(160deg, rgba(10,22,40,.99), rgba(30,58,95,.55));
  transform: translateY(-4px) scale(1.04);
  box-shadow:
    0 12px 48px rgba(245,158,11,.22),
    0 0 0 3px rgba(245,158,11,.06),
    0 4px 16px rgba(0,0,0,.3);
}

/* Conic rotating ring */
.sig-badge__ring {
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    rgba(245,158,11,.6) 6%,
    transparent 12%,
    transparent 33%,
    rgba(59,130,246,.45) 39%,
    transparent 45%,
    transparent 66%,
    rgba(245,158,11,.3) 72%,
    transparent 78%,
    transparent 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: sigRingRotate 8s linear infinite;
  opacity: 0;
  transition: opacity .5s ease;
  pointer-events: none;
}

.sig-badge:hover .sig-badge__ring {
  opacity: 1;
}

@keyframes sigRingRotate {
  to { transform: rotate(360deg); }
}

/* Aurora ambient glow */
.sig-badge__aurora {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at 30% 50%,
    rgba(245,158,11,.1) 0%,
    rgba(59,130,246,.06) 40%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity .6s ease;
  z-index: -1;
  filter: blur(14px);
  pointer-events: none;
}

/* Katman yalnızca hover'da görünür; görünmezken (filter: blur altında) canlandırmak boşa CPU harcıyordu */
.sig-badge:hover .sig-badge__aurora {
  opacity: 1;
  animation: sigAuroraDrift 6s ease-in-out infinite alternate;
}

@keyframes sigAuroraDrift {
  0%   { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.1) rotate(3deg); }
}

/* Asıl marka görseli */
.sig-badge__icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: #fff;
  font-size: .78rem;
  flex-shrink: 0;
  transition: transform .4s cubic-bezier(.4,0,.2,1), box-shadow .4s ease;
  overflow: hidden;
}
.sig-badge__icon img { display: block; width: 100%; height: 100%; object-fit: contain; }

/* Parlama nabzı: ek gölge ayrı katmanda, yalnızca opacity canlandırılır (box-shadow animasyonu yerine) */
.sig-badge:hover .sig-badge__icon {
  transform: scale(1.08);
}

@keyframes sigIconGlow {
  0%, 100% { opacity: 0; }
  50%      { opacity: 1; }
}

@keyframes sigIconDashSpin {
  to { transform: rotate(360deg); }
}

/* Badge text body */
.sig-badge__body {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}

.sig-badge__label {
  font-family: var(--vg-font-h);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.28);
  transition: color .4s ease, letter-spacing .4s ease;
}

.sig-badge:hover .sig-badge__label {
  color: rgba(255,255,255,.6);
  letter-spacing: .18em;
}

.sig-badge__brand {
  font-family: var(--vg-font-h);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .03em;
  margin-top: 3px;
  display: flex;
  align-items: baseline;
  gap: 0;
}

.sig-badge__volt {
  background: linear-gradient(135deg, #fff 20%, var(--vg-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sig-badge__guard {
  background: linear-gradient(135deg, var(--vg-accent), var(--vg-electric));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sig-badge__eng {
  font-weight: 400;
  font-size: .7rem;
  margin-left: .35em;
  background: linear-gradient(135deg, rgba(255,255,255,.6), rgba(255,255,255,.3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity .3s ease;
}

.sig-badge:hover .sig-badge__eng {
  opacity: .85;
}

/* Year tag */
.sig-badge__year {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .22rem .55rem;
  border-radius: 9999px;
  border: 1px solid rgba(245,158,11,.15);
  background: rgba(245,158,11,.05);
  font-family: var(--vg-font-h);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(245,158,11,.6);
  flex-shrink: 0;
  transition: all .4s ease;
}

.sig-badge__year i {
  font-size: .6875rem;
}

.sig-badge:hover .sig-badge__year {
  border-color: rgba(245,158,11,.4);
  background: rgba(245,158,11,.12);
  color: var(--vg-accent);
  box-shadow: 0 0 12px rgba(245,158,11,.1);
}

/* Light shimmer sweep */
.sig-badge__shimmer {
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255,255,255,.02) 30%,
    rgba(245,158,11,.1) 50%,
    rgba(255,255,255,.02) 70%,
    transparent 100%
  );
  transform: skewX(-15deg);
  animation: sigShimmerSweep 6s ease-in-out infinite 2s;
  pointer-events: none;
}

/* left yerine transform: translateX yüzdesi öğenin kendi genişliğine (ebeveynin %60'ı) göredir;
   400% = ebeveynin %240'ı, eski -120% -> 120% yolculuğuyla aynı. */
@keyframes sigShimmerSweep {
  0%   { transform: skewX(-15deg) translateX(0); }
  35%  { transform: skewX(-15deg) translateX(400%); }
  100% { transform: skewX(-15deg) translateX(400%); }
}

/* Footer imzası — responsive geçersiz kılmalar.
   Not: bunlar temel .sig-* kurallarından SONRA gelmek zorunda (eşit özgüllük, kaynak sırası kazanır);
   eskiden 768/480 medya bloklarının içinde, temel kurallardan önce durdukları için etkisizdi. */
@media (max-width: 768px) {
  /* Signature responsive — 768px */
  .sig-trace {
    display: none;
  }

  .sig-node {
    width: 7px;
    height: 7px;
  }

  .sig-node::after {
    inset: -3px;
  }

  .sig-badge {
    padding: .5rem .85rem .5rem .5rem;
    gap: .6rem;
    margin: 0 .15rem;
  }

  .sig-badge__icon {
    width: 32px;
    height: 32px;
    font-size: .6875rem;
  }

  .sig-badge__icon::after {
    display: none;
  }

  .sig-badge__brand {
    font-size: .84rem;
  }

  .sig-badge__year {
    padding: .15rem .4rem;
    font-size: .6875rem;
  }
}

@media (max-width: 480px) {
  /* Signature — 480px */
  .sig-trace,
  .sig-node {
    display: none;
  }

  .footer__signature {
    padding: 1.5rem 0 1.75rem;
  }

  .sig-badge {
    padding: .45rem .7rem .45rem .45rem;
    gap: .5rem;
    margin: 0;
  }

  .sig-badge__icon {
    width: 28px;
    height: 28px;
    font-size: .6875rem;
  }

  .sig-badge__label {
    font-size: .6875rem;
    letter-spacing: .1em;
  }

  .sig-badge__brand {
    font-size: .76rem;
  }

  .sig-badge__eng {
    font-size: .6875rem;
  }

  .sig-badge__year {
    display: none;
  }
}

.sig-badge__icon svg { width: 1.1em; height: 1.1em; fill: currentColor; display: block; }

/* =====================================================
   Index hero: başlık artık akışta (sticky) — hero kendi üst boşluğunu taşımaz
   ===================================================== */
main .hero {
  padding-top: 0;
  min-height: calc(100vh - var(--vg-header-h));
  min-height: calc(100dvh - var(--vg-header-h));
}

/* Alt bilgi ekran dışındayken animasyonlar duraklatılır (vg-shell.js #vgFooter'a .is-inview ekler/kaldırır).
   JS yoksa (html.vg-js yok) animasyonlar normal çalışır. */
html.vg-js .vg-footer:not(.is-inview) *,
html.vg-js .vg-footer:not(.is-inview) *::before,
html.vg-js .vg-footer:not(.is-inview) *::after {
  animation-play-state: paused !important;
}

/* =====================================================
   Hareket azaltma + yazdırma
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  .vg-header *,
  .vg-header *::before,
  .vg-header *::after,
  .vg-footer *,
  .vg-footer *::before,
  .vg-footer *::after,
  .vg-header::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition: none !important;
  }
  .sig-trace__dot { display: none; }
  .vg-header::after { display: none; }
}
@media print {
  .skip-to-content,
  .vg-header,
  .vg-footer { display: none !important; }
}

/* Masaüstü çubuğu 1280–1599 px: VoltSim eklenince menü sığsın diye aralıklar ve yazı boyu sıkılaştırılır. */
@media (min-width: 80rem) and (max-width: 99.99rem) {
  .vg-header__bar { gap: .5rem; }
  .vg-nav__list { gap: 0; }
  .vg-header .vg-nav__link { padding: .5rem .36rem; font-size: .78rem; }
  .vg-header .vg-nav__link::after { left: .36rem; right: .36rem; }
  .vg-header .vg-nav__link[aria-current], .vg-header .vg-nav__link.is-active, .vg-dd:has([aria-current]) > .vg-dd__btn { padding-left: .36rem; }
  .vg-actions .vg-account { padding-left: .6rem; padding-right: .6rem; }
}
@media (min-width: 80rem) and (max-width: 87.49rem) {
  .vg-header .logo-mark__tagline { display: none; }
  .vg-header .vg-nav__link { font-size: .75rem; padding: .5rem .3rem; }
}

/* Navigation and signature remain quiet while the page is being read. */
.vg-nav__link::before, .sig-badge__shimmer, .sig-node, .sig-node::after { animation: none; }
.sig-trace__dot { display: none; }
.vg-header a:focus-visible, .vg-header button:focus-visible,
.vg-footer a:focus-visible { outline: 3px solid #fbbf24; outline-offset: 4px; }
/* Ayrı React uygulaması (calisan/uygulama) açık kalır: tema düğmesi orada gösterilmez */
body.company-page .vg-theme { display: none !important; }