/* =========================
   NAVBAR – Full CSS Bundle
   ========================= */
:root {
  --navbar-height: 100px; /* Navbar yüksekliği */
}
/* Hep üstte sabit, viewport’a sabitlenmiş */
#site-navbar,
nav.navbar {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 9999;
  height: var(--navbar-height);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--ease), background var(--ease);
}

/* Scroll gölgesi (yükseklik küçültmeyi şimdilik kapalı tut) */
.navbar.navbar--scrolled {
  box-shadow: var(--shadow);
}

/* İçerik çakışmasın */
main {
  padding-top: var(--navbar-height) !important;
}

/* Anchor (#id) hedefleri nav altında kalmasın */
[id] {
  scroll-margin-top: var(--navbar-height);
}

/* İç yerleşim */
.navbar .inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo img {
  height: 72px;
  display: block;
  transition: transform var(--ease), opacity var(--ease);
}
.navbar.navbar--scrolled .logo img {
  transform: scale(0.92);
  opacity: 0.95;
}

/* Ana menü kapsayıcı */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Link listesi */
.nav-links {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Link – pill + gradient underline */
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  color: var(--fg);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1;
  border-radius: 999px; /* pill görünüm */
  transition: background var(--ease), color var(--ease), transform var(--ease),
    box-shadow var(--ease);
  text-decoration: none;
  will-change: transform;
}

/* SADECE aktif link altçizgisi */
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Masaüstünde linkler arası noktasal ayraç (çok hafif) */
@media (min-width: 901px) {
  .nav-links li + li {
    position: relative;
  }
  .nav-links li + li::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 50%;
    width: 4px;
    height: 4px;
    transform: translateY(-50%);
    border-radius: 50%;
    background: color-mix(in srgb, var(--fg) 18%, transparent);
  }
}

/* Sağ aksiyonlar (butonlar vs.) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn.btn-primary {
  padding: 12px 18px;
  font-size: 1rem;
  border-radius: 12px;
  font-weight: 700;
  background: var(--brand-purple);
  color: #fff;
  border: 1px solid color-mix(in srgb, var(--brand-purple) 85%, black 0%);
  transition: transform var(--ease), box-shadow var(--ease),
    background var(--ease);
}
.btn.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(123, 92, 230, 0.18);
}
.btn.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(123, 92, 230, 0.35);
}

/* Hamburger */
.menu-toggle {
  display: none;
  gap: 6px;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: background var(--ease), box-shadow var(--ease);
}
.menu-toggle:hover {
  background: color-mix(in srgb, var(--surface) 96%, transparent);
}
.menu-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(123, 92, 230, 0.35);
}
.menu-toggle .bar {
  width: 22px;
  height: 2.5px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-4.5px) rotate(-45deg);
}

/* =========================
   Mobile & Tablet
   ========================= */
@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset: var(--navbar-height) 0 auto 0; /* top: navbar kadar boşluk */
    display: grid;
    gap: 12px;
    background: color-mix(in srgb, var(--surface) 96%, transparent);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 14px 16px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--ease), opacity var(--ease);
  }
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links {
    flex-direction: column;
    gap: 8px;
  }

  /* Mobilde pill + kenarlık, underline yok */
  .nav-links a {
    width: 100%;
    justify-content: center;
    border-radius: 12px;
    background: color-mix(in srgb, var(--surface) 98%, transparent);
    border: 1px solid color-mix(in srgb, var(--border) 90%, transparent);
    box-shadow: none;
    padding: 12px 14px;
  }
  .nav-links a::after {
    display: none;
  }

  .nav-actions {
    flex-direction: column;
    gap: 8px;
  }

  body.no-scroll {
    overflow: hidden;
  } /* menü açıkken scroll kilidi */
}

/* =========================
   Motion & Contrast
   ========================= */
@media (prefers-reduced-motion: reduce) {
  .navbar,
  .logo img,
  .nav-links a,
  .nav-links a::after,
  .btn.btn-primary,
  .menu-toggle,
  .menu-toggle .bar,
  .nav-menu {
    transition: none !important;
  }
}

/* High-contrast mod için gri ayraçları hafiflet */
@media (prefers-contrast: more) {
  .nav-links li + li::before {
    background: color-mix(in srgb, var(--fg) 30%, transparent);
  }
}

/* =========================
   Dark Mode (opsiyonel)
   ========================= */
@media (prefers-color-scheme: dark) {
  .navbar {
    background: color-mix(in srgb, var(--surface) 70%, transparent);
    border-bottom-color: color-mix(in srgb, var(--border) 60%, transparent);
  }
  .nav-links a:hover {
    background: color-mix(in srgb, var(--brand-purple-weak) 20%, transparent);
  }
  .btn.btn-primary {
    border-color: color-mix(in srgb, var(--brand-purple) 65%, black 0%);
  }
}