/* =========================================================
   Top Navigation — desktop + mobile modal
   ========================================================= */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding-block: var(--sp-4);
  transition: background var(--dur-base) var(--ease-out),
              backdrop-filter var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              padding var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(7, 7, 9, 0.78);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  padding-block: var(--sp-3);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  height: 56px;
}
.nav__brand img {
  height: 54px;
  width: auto;
  filter: brightness(1.08);
  transition: filter var(--dur-fast) var(--ease-out);
}
.nav__brand:hover img {
  filter: brightness(1.15);
}

/* Desktop menu */
.nav__menu-wrap { display: none; }
@media (min-width: 900px) {
  .nav__menu-wrap { display: block; }
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  /* Biraz daha büyük + parlak — "silik" hissini kır */
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: rgba(255, 255, 255, 0.82);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  margin: 0 auto;
  width: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--brand-magenta), var(--brand-indigo));
  border-radius: 2px;
  transition: width var(--dur-base) var(--ease-premium);
}
.nav__link:hover,
.nav__link:focus-visible {
  color: #fff;
  outline: none;
}
.nav__link:hover::after,
.nav__link:focus-visible::after {
  width: 100%;
}
/* Active page — visited state */
.nav__link.is-active {
  color: #fff;
  font-weight: 600;
}
.nav__link.is-active::after {
  width: 100%;
}

/* Mobile link active */
.nav__mobile-link.is-active {
  color: var(--brand-magenta, #e61673);
}
.nav__mobile-link.is-active::after {
  opacity: 1;
  transform: translate(0, -50%);
}

/* CTA cluster */
.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* ============================================================
   LANG SWITCHER — globe icon + current code, hover'da alt dile geçiş hint
   Pasif görünmüyor: text-link tarzı, sade, premium
   ============================================================ */
.nav__lang {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.75);
  background: transparent;
  border: 0;
  border-radius: var(--r-sm);
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  outline: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav__lang-globe {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.85;
  transition: transform var(--dur-base) var(--ease-premium), opacity var(--dur-fast) var(--ease-out);
}
.nav__lang-code {
  display: inline-block;
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-base) var(--ease-premium);
}
.nav__lang-alt {
  position: absolute;
  right: 0.55rem;
  top: 50%;
  transform: translateY(-50%) translateX(4px);
  opacity: 0;
  pointer-events: none;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.18rem 0.5rem;
  background: var(--brand-magenta);
  color: #fff;
  border-radius: var(--r-pill);
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition:
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-premium);
}
.nav__lang:hover,
.nav__lang:focus-visible {
  color: #fff;
}
.nav__lang:hover .nav__lang-globe { transform: rotate(15deg); opacity: 1; }
.nav__lang:hover .nav__lang-code,
.nav__lang:focus-visible .nav__lang-code {
  opacity: 0;
  transform: translateX(-4px);
}
.nav__lang:hover .nav__lang-alt,
.nav__lang:focus-visible .nav__lang-alt {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}
.nav__lang:focus-visible {
  box-shadow: 0 0 0 2px rgba(230, 22, 115, 0.4);
}

/* NOT: .nav.is-scrolled ana sayfada DARK bg ile çalışır (rgba(7,7,9,0.78)).
   Light variant yalnızca body.page-detail için (aşağıda body.page-detail kuralları).
   Buradaki dark variant scrolled'da da geçerli — color override yok. */

/* ============================================================
   NAV CTA BUTONLARI — Demo (ghost premium) + Satın Al (primary glow)
   ============================================================ */
.nav__demo {
  position: relative;
  padding: 0.6rem 1.15rem !important;
  border: 1.5px solid rgba(255, 255, 255, 0.22) !important;
  background: rgba(255, 255, 255, 0.04) !important;
  color: rgba(255, 255, 255, 0.95) !important;
  font-weight: 600 !important;
  letter-spacing: 0.01em;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    transform var(--dur-base) var(--ease-premium),
    border-color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
.nav__demo:hover {
  background: rgba(255, 255, 255, 0.10) !important;
  border-color: rgba(255, 255, 255, 0.45) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}
/* .nav.is-scrolled ana sayfada DARK bg ile çalışır → demo butonu zaten dark variant'ta görünür kalır.
   Light variant body.page-detail bloğunda tanımlı. */

.nav__buy {
  position: relative;
  padding: 0.6rem 1.3rem !important;
  background: linear-gradient(135deg, var(--brand-magenta) 0%, #ff3a87 100%) !important;
  color: #fff !important;
  font-weight: 700 !important;
  letter-spacing: 0.01em;
  border: 0 !important;
  box-shadow:
    0 6px 18px rgba(230, 22, 115, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition:
    transform var(--dur-base) var(--ease-premium),
    box-shadow var(--dur-base) var(--ease-out);
  overflow: visible;
}
.nav__buy::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(230, 22, 115, 0.55), rgba(255, 58, 135, 0.55));
  filter: blur(12px);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--dur-base) var(--ease-out);
}
.nav__buy:hover {
  transform: translateY(-2px);
  box-shadow:
    0 12px 30px rgba(230, 22, 115, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.nav__buy:hover::before { opacity: 1; }

/* Desktop: Demo = ghost, Satın Al = primary magenta */
.nav__demo { display: none; }
.nav__buy { display: none; }
@media (min-width: 900px) {
  .nav__demo,
  .nav__buy { display: inline-flex; }
}

/* Hamburger toggle */
.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0.6rem;
  border-radius: var(--r-sm);
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-premium),
              opacity var(--dur-fast) var(--ease-out);
}
@media (min-width: 900px) {
  .nav__toggle { display: none; }
}

/* ============================================================
   MOBILE FULL-SCREEN MODAL
   ------------------------------------------------------------
   iOS modal pattern — edge-to-edge overlay, big typography.
   ============================================================ */

.nav__mobile {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) + 10);
  display: flex;
  flex-direction: column;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  /* Background parent'a yazıldı — child div'e bg + ayrı opacity transition vardı,
     iOS Safari'de paralel transition atlamasından dolayı tutarsız çalışıyordu.
     Tek opacity + tek katmandan transition = race-free. */
  background:
    radial-gradient(ellipse 60% 40% at 20% 15%, rgba(230, 22, 115, 0.16), transparent 60%),
    radial-gradient(ellipse 55% 45% at 80% 85%, rgba(52, 60, 144, 0.18), transparent 60%),
    linear-gradient(180deg, #0b0b10 0%, #070709 100%);
  transition: opacity var(--dur-base) var(--ease-out),
              visibility var(--dur-base) var(--ease-out);
}
.nav__mobile.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Eski ayrı bg div'i — geri uyumluluk için var olsun ama görünmez/etkisiz.
   HTML'den çıkarılması ileride önerilir; şimdilik dokunmuyoruz ki cache uyumsuzluğu
   yaşanmasın (eski sayfada hâlâ DOM'da olabilir). */
.nav__mobile-bg {
  display: none;
}

/* Top header inside modal */
.nav__mobile-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--gutter);
  padding-top: calc(var(--sp-4) + env(safe-area-inset-top, 0px));
  z-index: 1;
}

.nav__mobile-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  transition: all var(--dur-fast) var(--ease-out);
  cursor: pointer;
}
.nav__mobile-close:hover,
.nav__mobile-close:focus-visible {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.25);
  outline: none;
}
.nav__mobile-close svg { width: 22px; height: 22px; }

/* Menu links — big editorial typography */
.nav__mobile-menu {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--sp-1);
  padding: 0 var(--gutter);
  padding-top: var(--sp-4);
}

.nav__mobile-link {
  display: block;
  font-family: var(--ff-display, "Inter Tight", Inter, sans-serif);
  font-size: clamp(2rem, 8vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: #fff;
  padding: var(--sp-3) 0;
  position: relative;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease-out),
              transform 0.45s var(--ease-premium),
              color var(--dur-fast) var(--ease-out);
}
.nav__mobile.is-open .nav__mobile-link {
  opacity: 1;
  transform: translateY(0);
  /* Staggered entrance per --i order */
  transition-delay: calc(0.10s + var(--i, 0) * 0.05s);
}
.nav__mobile-link::after {
  content: "→";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(-8px, -50%);
  opacity: 0;
  color: var(--brand-magenta, #e61673);
  font-size: 0.75em;
  font-weight: 500;
  transition: transform var(--dur-base) var(--ease-premium),
              opacity var(--dur-fast) var(--ease-out);
}
.nav__mobile-link:hover,
.nav__mobile-link:focus-visible {
  color: var(--brand-magenta, #e61673);
  outline: none;
}
.nav__mobile-link:hover::after,
.nav__mobile-link:focus-visible::after {
  opacity: 1;
  transform: translate(0, -50%);
}

/* Footer inside modal — CTAs + lang + WA */
.nav__mobile-footer {
  position: relative;
  z-index: 1;
  padding: var(--sp-5) var(--gutter);
  padding-bottom: calc(var(--sp-5) + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.nav__mobile-actions {
  display: flex;
  gap: var(--sp-3);
}
.nav__mobile-actions .btn {
  flex: 1;
  justify-content: center;
}

.nav__mobile-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.nav__mobile-wa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-pill);
  background: #25D366;
  color: #fff;
  transition: transform var(--dur-fast) var(--ease-premium),
              box-shadow var(--dur-fast) var(--ease-out);
}
.nav__mobile-wa:hover,
.nav__mobile-wa:focus-visible {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  outline: none;
}
.nav__mobile-wa svg { width: 22px; height: 22px; }

/* Desktop: hide mobile modal entirely */
@media (min-width: 900px) {
  .nav__mobile { display: none !important; }
}

/* Body scroll lock when modal open */
body.has-nav-open {
  overflow: hidden;
  /* Safari hack — overflow hidden yetmez bazen, fixed position ile pekiştir */
  touch-action: none;
}

/* Reduced motion — hiç bekleme yok */
@media (prefers-reduced-motion: reduce) {
  .nav__mobile-link {
    opacity: 1 !important;
    transform: none !important;
    transition-delay: 0s !important;
  }
  .nav__mobile { transition-duration: 0.01s; }
}


/* =========================================================
   DETAIL PAGE NAV — White glass variant
   ---------------------------------------------------------
   Detay sayfalarında light arka plan var — beyaz nav text görünmez.
   Çözüm: white glass bar + renkli logo + koyu yazı. Stripe/Linear
   tipi kurumsal SaaS aesthetiği.
   Homepage'deki dark-over-hero nav as-is kalır.
   ========================================================= */

/* Logo swap — default dark page (homepage) = white logo */
.nav__brand-logo--on-light { display: none; }
.nav__brand-logo--on-dark  { display: block; }

/* Detail page (body.page-detail) — white nav + colored logo */
body.page-detail .nav {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: rgba(15, 15, 22, 0.06);
}
body.page-detail .nav.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  border-bottom-color: rgba(15, 15, 22, 0.10);
  box-shadow: 0 1px 0 rgba(15, 15, 22, 0.04);
}

/* Logo swap — colored on light */
body.page-detail .nav__brand-logo--on-dark  { display: none; }
body.page-detail .nav__brand-logo--on-light { display: block; }
body.page-detail .nav__brand img { filter: none; }
body.page-detail .nav__brand:hover img { filter: brightness(1.05); }

/* Links — dark, high contrast */
body.page-detail .nav__link {
  color: rgba(15, 15, 22, 0.72);
  font-weight: 500;
}
body.page-detail .nav__link:hover,
body.page-detail .nav__link:focus-visible,
body.page-detail .nav__link.is-active {
  color: rgba(15, 15, 22, 1);
}
body.page-detail .nav__link.is-active {
  font-weight: 600;
}

/* Lang switcher — light variant (text-link, sade) */
body.page-detail .nav__lang {
  background: transparent;
  border: 0;
  color: rgba(15, 15, 22, 0.65);
}
body.page-detail .nav__lang:hover,
body.page-detail .nav__lang:focus-visible {
  background: transparent;
  color: var(--ink-d-100);
}

/* Hamburger toggle — dark strokes */
body.page-detail .nav__toggle span {
  background: rgba(15, 15, 22, 0.85);
}

/* Demo ghost button — dark on light, görünür kontrast */
body.page-detail .nav__demo {
  color: var(--ink-d-100) !important;
  border-color: rgba(15, 15, 22, 0.22) !important;
  background: transparent !important;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
body.page-detail .nav__demo:hover {
  background: var(--ink-d-100) !important;
  color: #fff !important;
  border-color: var(--ink-d-100) !important;
  box-shadow: 0 6px 18px rgba(15, 15, 22, 0.18);
}
/* Satın Al primary button zaten magenta — her iki modda da parlar, değişiklik yok */

/* Page-hero'nun üstünde nav solid alanı çok belirgin olmasın diye
   hero top padding az da artır (detay sayfaları zaten fazla padding var,
   bu nuance için minor): */
body.page-detail main > .page-hero:first-child {
  /* page-hero zaten padding-block: clamp(7rem, 11vw, 10rem) top; yeterli */
}


/* =========================================================
   AI Badge — "AI" harflerinin sağ-üst köşesinde sparkle
   Brand signaling: AI Asistanı menü item'ının görsel imzası
   ========================================================= */
.nav__ai {
  position: relative;
  display: inline-block;
  font-weight: 700;
  letter-spacing: -0.01em;
  /* "Asistanı" ile arasında daha rahat bir nefes payı */
  margin-right: 0.45em;
}
.nav__ai::after {
  content: "✦";
  position: absolute;
  /* Aşağı çekildi — cap-height'a hizalı, corner'da uçmuyor */
  top: -0.18em;
  right: -0.8em;
  font-size: 0.68em;
  line-height: 1;
  font-weight: 900;
  /* Solid magenta — gradient clip light arka planda silik kalıyordu */
  color: var(--brand-magenta, #e61673);
  /* Küçük bir pulse — çok subtle */
  animation: nav-ai-pulse 3s ease-in-out infinite;
}
@keyframes nav-ai-pulse {
  0%, 100% { opacity: 0.9; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.12); }
}

/* Mobile modal'daki büyük link için sparkle proportional konum ayarı */
.nav__mobile-link .nav__ai {
  margin-right: 0.35em;
}
.nav__mobile-link .nav__ai::after {
  top: -0.12em;
  right: -0.85em;
  font-size: 0.55em;
}

/* Reduced motion: pulse kapalı */
@media (prefers-reduced-motion: reduce) {
  .nav__ai::after { animation: none; }
}