/* ==========================================================================
   05 · HEADER — ust menu, mega menu, mobil menu
   Header TEK dosyadir ve her sayfada ayni sablondan gelir.
   Anasayfada hero uzerine seffaf oturur (.site-header--overlay).
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--c-paper-82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-line);
  color: var(--c-ink);
  transition: background var(--d-slow) var(--e-out),
              color var(--d-slow) var(--e-out),
              border-color var(--d-slow) var(--e-out),
              transform var(--d-slow) var(--e-out);
}

/* Anasayfa: hero uzerine seffaf biner, kaydirinca kagit rengine doner */
.site-header--overlay {
  position: fixed;
  inset-inline: 0;
  top: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: var(--c-paper-16);
  color: var(--c-paper);
}
.site-header--overlay .header__brand,
.site-header--overlay .header__nav a { color: var(--c-paper); }
.site-header--overlay .header__tagline { color: var(--c-muted); }

.site-header--overlay.is-solid {
  background: var(--c-paper-82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--c-line);
  color: var(--c-ink);
}
.site-header--overlay.is-solid .header__brand,
.site-header--overlay.is-solid .header__nav a { color: var(--c-ink); }

/* Asagi kaydirirken gizlen, yukari kaydirirken geri gel */
.site-header.is-hidden { transform: translateY(-105%); }

.header__inner {
  max-width: var(--w-container-lg);
  margin-inline: auto;
  padding: 14px var(--sp-gutter);
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 44px);
  min-height: var(--h-header);
}

/* ------------------------------------------------------------------ Logo */

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  line-height: 1;
  flex: 0 0 auto;
  color: var(--c-ink);
}

.header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

/* Amblem: yuksekligi header seridine gore sabit, genislik orandan.
   Dar ekranda kucultulur ama hicbir zaman gizlenmez; markanin ilk
   isareti odur. */
.header__logo {
  width: auto;
  height: 34px;
  flex: 0 0 auto;
}

@media (min-width: 700px) {
  .header__logo { height: 42px; }
}

/* Varsayilan: acik zemin (dolu header, ic sayfalar) */
.header__logo--koyu { display: none; }
.header__logo--acik { display: block; }

/* Hero uzerinde saydam header -> koyu zemin varyanti */
.site-header--overlay:not(.is-solid) .header__logo--koyu { display: block; }
.site-header--overlay:not(.is-solid) .header__logo--acik { display: none; }
.header__wordmark {
  font-family: var(--f-display);
  font-variation-settings: var(--f-display-vars);
  font-weight: 500;
  font-size: 1.5rem;   /* Garamond optik olarak Fraunces'ten kucuk gorunur */
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.header__tagline {
  margin-top: 3px;
  font-family: var(--f-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* --------------------------------------------------------------- Ana menu */

.header__nav {
  flex: 1;
  display: none;
  flex-wrap: wrap;
  gap: clamp(10px, 1.5vw, 26px);
  font-size: 0.9375rem;
}

.header__nav a {
  position: relative;
  padding: 6px 0 4px;
  color: var(--c-ink);
  border-bottom: 1px solid transparent;
  transition: color var(--d-base) var(--e-out), border-color var(--d-base) var(--e-out);
}
.header__nav a:hover { color: var(--c-leaf); }

.header__nav a[aria-current="page"] {
  color: var(--c-forest);
  border-bottom-color: var(--c-leaf);
}
.site-header--overlay:not(.is-solid) .header__nav a[aria-current="page"] {
  color: var(--c-leaf);
}

/* ---------------------------------------------------------------- Sag blok */

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex: 0 0 auto;
  margin-inline-start: auto;
}

/* Dil secici. Onceden dekoratif tek bir yaziydi; artik gercek
   baglantilar oldugu icin dokunma hedefi ve odak halkasi gerekiyor. */
.header__lang {
  display: none;
  align-items: center;
  gap: 2px;
  font-family: var(--f-mono);
  font-size: var(--t-sm);
  letter-spacing: 0.14em;
}

.header__lang-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 32px;
  padding-inline: 6px;
  border-radius: var(--r-sm, 8px);
  color: var(--c-muted);
  text-decoration: none;
  transition: color .18s ease, background-color .18s ease;
}

.header__lang-link:hover,
.header__lang-link:focus-visible {
  color: var(--c-ink);
  background: color-mix(in srgb, currentColor 10%, transparent);
}

/* Aktif dil vurgulu ama tiklanabilir kalir: ziyaretci nerede
   oldugunu gorur, yanlislikla ayni sayfaya gitmesi zarar vermez. */
.header__lang-link.is-active {
  color: var(--c-ember, var(--c-ink));
  font-weight: 600;
}

/* Baslik fotograf uzerindeyken (hero) yazi acik renge doner;
   kaydirilip zemin katilasinca (.is-solid) tekrar koyulasir. */
.site-header--overlay:not(.is-solid) .header__lang-link {
  color: var(--c-paper-72, rgba(255, 255, 255, .72));
}

.site-header--overlay:not(.is-solid) .header__lang-link.is-active,
.site-header--overlay:not(.is-solid) .header__lang-link:hover,
.site-header--overlay:not(.is-solid) .header__lang-link:focus-visible {
  color: var(--c-paper, #fff);
}

/* ------------------------------------------------------------ Burger butonu */

.burger {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  gap: 5px;
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  background: transparent;
  color: inherit;
}
.burger__line {
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--d-base) var(--e-out), opacity var(--d-fast);
}
.burger[aria-expanded="true"] .burger__line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__line:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ------------------------------------------------------------- Mobil menu */

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--sp-4);
  padding: var(--sp-8) var(--sp-gutter);
  background: var(--c-ink);
  color: var(--c-paper);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--d-base) var(--e-out), visibility var(--d-base);
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }

.mobile-nav__close {
  position: absolute;
  top: var(--sp-4);
  inset-inline-end: var(--sp-gutter);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-line-dark);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--c-paper);
  font-size: 1.25rem;
  line-height: 1;
}

.mobile-nav__link {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  color: var(--c-paper);
  font-family: var(--f-display);
  font-variation-settings: var(--f-display-vars);
  font-weight: var(--w-display);
  font-size: clamp(1.75rem, 8vw, 2.75rem);
  letter-spacing: var(--ls-tight);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--d-base) var(--e-out), transform var(--d-base) var(--e-out), color var(--d-base);
}
.mobile-nav.is-open .mobile-nav__link { opacity: 1; transform: none; }
.mobile-nav__link:hover { color: var(--c-leaf); }
.mobile-nav__link span {
  font-family: var(--f-mono);
  font-size: var(--t-sm);
  letter-spacing: var(--ls-wide);
  color: var(--c-muted);
}

.mobile-nav__foot {
  margin-top: var(--sp-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  font-family: var(--f-mono);
  font-size: var(--t-sm);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--c-muted);
}
.mobile-nav__foot a { color: var(--c-muted); }

/* Menu acikken arka plan kaymasin */
body.is-locked { overflow: hidden; }

/* ------------------------------------------------------------ Kirilma noktasi */

@media (min-width: 1024px) {
  .header__nav  { display: flex; }
  .header__lang { display: flex; }
  .burger       { display: none; }
  .mobile-nav   { display: none; }
}

/* ---------------------------------------------------- Okuma ilerleme cizgisi */

.header__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 100%;
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left;
  background: var(--c-accent);
  transition: transform 80ms linear;
}

/* ----------------------------------------------------- Eylem butonlari
   Menu ve Rezervasyon gezinme menusunun parcasi degil; sagda ayri
   butonlardir. Dar ekranda gizlenir, mobil menude gorunurler.         */

.header__action { display: none; }

@media (min-width: 620px) {
  .header__action { display: inline-flex; }
}

/* Mobil menude eylem baglantilari once ve vurgulu gelir */
.mobile-nav__link--action { color: var(--c-leaf); }
.mobile-nav__link--action + .mobile-nav__link:not(.mobile-nav__link--action) {
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-line-dark);
}


/* ------------------------------------------------------------- Alt menü
   Panelden bir menü öğesine üst öğe seçilirse açılır menü olur.
   Açılma CSS ile yapılır (hover + focus-within): JavaScript kapalıyken
   de klavyeyle gezilebilir.                                            */

.header__alt { position: relative; display: inline-flex; align-items: center; }

.header__alt > a { display: inline-flex; align-items: center; gap: 4px; }

.header__alt-ok {
  width: 13px;
  height: 13px;
  transition: transform var(--d-base) var(--e-out);
}
.header__alt:hover .header__alt-ok,
.header__alt:focus-within .header__alt-ok { transform: rotate(180deg); }

.header__alt-liste {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  z-index: 30;
  display: grid;
  gap: 2px;
  min-width: 190px;
  padding: 8px;
  border-radius: var(--r-lg);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  box-shadow: 0 18px 40px -18px color-mix(in srgb, var(--c-ink) 45%, transparent);

  /* Kapalı hal: görünmez ama YER KAPLAMAZ ve tıklanamaz. */
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -6px);
  transition: opacity var(--d-base) var(--e-out),
              transform var(--d-base) var(--e-out),
              visibility var(--d-base);
}

.header__alt:hover .header__alt-liste,
.header__alt:focus-within .header__alt-liste {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.header__alt-liste a {
  padding: 8px 12px;
  border-radius: var(--r-md);
  font-size: 0.9375rem;
  white-space: nowrap;
  color: var(--c-ink);
}
.header__alt-liste a:hover { background: var(--c-fog); color: var(--c-forest); }

/* Açılır menü ile üst öğe arasında görünmez köprü: imleç aradan
   geçerken menü kapanmasın. */
.header__alt::after {
  content: "";
  position: absolute;
  top: 100%;
  inset-inline: 0;
  height: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .header__alt-liste, .header__alt-ok { transition: none; }
}