@import url("/assets/css/base/tokens.css");

/* ===============================
          NAVBAR (layout)
   =============================== */

/* 1) Fixed nav + güvenli alan (iOS notch) */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 76px;
  display: flex;
  align-items: center;
  transition: background 0.25s ease, border-color 0.25s ease,
    box-shadow 0.25s ease, transform 0.25s ease;
  padding-top: env(safe-area-inset-top);
  backdrop-filter: blur(0); /* iOS flicker önleme */
  backface-visibility: hidden;
}

/* 2) Sabit nav alttaki içeriğe binmesin */
body.has-fixed-nav {
  padding-top: calc(76px + env(safe-area-inset-top));
}

/* Durumlar */
.nav--solid {
  background: #002237;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}
.nav--clear {
  background: transparent;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  backdrop-filter: none;
}
.nav--glass {
  background: var(--glass);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px) saturate(120%);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  /* 3) Yatay güvenli alan */
  padding: 0 max(28px, env(safe-area-inset-left)) 0
    max(28px, env(safe-area-inset-right));
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.04em;
  font-size: clamp(20px, 2.2vw, 28px);
  color: var(--cyan);
  text-shadow: 0 0 12px #3fd7ff55, 0 0 24px #3fd7ff33;
  filter: drop-shadow(0 8px 28px #3fd7ff22);
}
.logo img {
  height: 42px;
  display: block;
}

/* Menü ortada (desktop) */
.nav-menu {
  list-style: none;
  display: flex;
  gap: 30px;
  margin: 0 auto;
}
.nav-menu li a {
  position: relative;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  opacity: 0.92;
  transition: opacity 0.15s ease, color 0.2s ease;
  /* 4) Dokunma hedefi */
  padding-block: 10px;
}
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -12px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
  border-radius: 2px;
}
.nav-menu a:hover {
  opacity: 1;
}
.nav-menu a:hover::after {
  transform: scaleX(1);
}

/* 5) Erişilebilir klavye odakları */
.nav-menu a:focus-visible,
.mobile-toggle:focus-visible,
.actions .btn-demo:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 10px;
}

/* Sağ: Demolar + Hamburger alanı */
.actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 6) Hamburger boyutu: 44x44 minimum */
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--muteborder);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  align-items: center;
  justify-content: center;
}

/* 7) Tablet ve altı: menüyü kapat, hamburgeri göster */
@media (max-width: 900px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .actions .btn-demo {
    display: none;
  }

  /* Açık menü katmanı */
  .nav-menu.open {
    display: flex;
    position: absolute;
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    top: 76px;
    flex-direction: column;
    gap: 0;
    background: #002237;
    border-top: 1px solid var(--muteborder);
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
    padding: 8px; /* iç boşluk */
    animation: navMenuDrop 160ms cubic-bezier(0.2, 0.7, 0.3, 1);
    /* 8) Uzun menüler için kaydırma */
    max-height: calc(100dvh - 76px - env(safe-area-inset-top));
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-menu.open li {
    border-bottom: 1px solid var(--muteborder);
  }
  .nav-menu.open a {
    display: block;
    padding: 16px 24px;
    line-height: 1.25;
    min-height: 48px; /* rahat dokunma */
  }
  .nav-menu.open .demo-cta {
    display: block;
    border-bottom: none;
    padding: 12px 16px 18px;
  }
  .nav-menu.open .demo-cta a {
    display: block;
    text-align: center;
    margin: 8px 16px;
    background: var(--btn);
    color: #001018;
    border-radius: 999px;
    box-shadow: 0 10px 30px rgba(34, 198, 255, 0.35);
    text-decoration: none;
    font-weight: 800;
    padding: 12px 20px;
  }
  .nav-menu.open .demo-cta a:hover {
    background: var(--btn-hover);
  }
}

/* 9) Küçük telefonlar için ek iyileştirmeler */
@media (max-width: 480px) {
  .nav-inner {
    gap: 8px;
  }
  .logo img {
    height: 36px;
  }
  .mobile-toggle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }
}

/* 10) Yatay (landscape) telefonda menü yüksekliği kısıtı */
@media (max-height: 420px) {
  .nav-menu.open {
    max-height: calc(100dvh - 76px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn-demo,
  .nav-menu a::after,
  .navbar {
    transition: none;
  }
}

/* 11) Menü açıkken gövde kaymasın */
body.menu-open {
  overflow: hidden;
  touch-action: none;
}

@keyframes navMenuDrop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}