/* Tekrar kullanılan bileşenler: header, açılır menü, dil değiştirici, buton, footer.
   Kaynak markup için components/header.html, components/footer.html, components/logo.html. */

/* ---- Logo ölçüleri ---- */
.pg-mark {
  width: 40px;
  height: 44px;
  flex-shrink: 0;
}

.pg-mark-3d {
  width: 64px;
  height: 70px;
  flex-shrink: 0;
}

/* ============================================================ */
/* Header                                                        */
/* ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  width: 100%;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--pg-dur-base) var(--pg-ease),
    border-color var(--pg-dur-base) var(--pg-ease), backdrop-filter var(--pg-dur-base) var(--pg-ease);
}

.site-header[data-header-theme='on-dark'] {
  color: var(--pg-on-space);
}

.site-header[data-header-theme='on-light'] {
  color: var(--pg-ink);
}

.site-header.is-scrolled {
  background: var(--pg-surface-translucent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--pg-line);
  color: var(--pg-ink);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--pg-gap-3);
  min-height: var(--pg-header-h);
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--pg-gap-1);
  font-family: var(--pg-font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-right: auto;
}

/* ---- Hamburger (mobil) ---- */
.site-header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  z-index: 110;
}

.site-header__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform var(--pg-dur-base) var(--pg-ease), opacity var(--pg-dur-fast) var(--pg-ease);
}

.site-header__toggle[aria-expanded='true'] .site-header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded='true'] .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded='true'] .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================ */
/* Navigasyon                                                    */
/* ============================================================ */

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--pg-gap-4);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--pg-gap-3);
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: var(--pg-gap-1) 0;
  font-size: 0.9375rem;
  font-weight: 500;
  position: relative;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--pg-dur-fast) var(--pg-ease);
}

.site-nav__link:hover::after,
.site-nav__link[aria-current='page']::after,
.site-nav__item--dropdown.is-active > .site-nav__trigger::after {
  transform: scaleX(1);
}

.site-nav__trigger::before {
  content: '';
  order: 1;
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--pg-dur-fast) var(--pg-ease);
}

.site-nav__trigger[aria-expanded='true']::before {
  transform: rotate(-135deg) translateY(1px);
}

/* ---- Açılır panel (masaüstü: uçan kutu / mobil: akordeon) ---- */
.site-nav__dropdown {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  opacity: 0;
  overflow: hidden;
  transition: grid-template-rows var(--pg-dur-base) var(--pg-ease),
    opacity var(--pg-dur-fast) var(--pg-ease), visibility var(--pg-dur-base);
}

.site-nav__trigger[aria-expanded='true'] + .site-nav__dropdown {
  grid-template-rows: 1fr;
  visibility: visible;
  opacity: 1;
}

.site-nav__dropdown > ul {
  min-height: 0;
}

.site-nav__dropdown a {
  display: block;
  font-size: 0.9375rem;
}

/* ============================================================ */
/* Dil değiştirici + CTA                                         */
/* ============================================================ */

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--pg-gap-3);
}

.site-lang {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--pg-text-label);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.site-lang__link {
  opacity: 0.55;
}

.site-lang__link[aria-current='true'] {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-lang__sep {
  opacity: 0.3;
}

/* ============================================================ */
/* Buton                                                         */
/* ============================================================ */

.pg-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85em 1.6em;
  border-radius: var(--pg-radius-sm);
  font-family: var(--pg-font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1;
  border: 1px solid transparent;
  transition: background-color var(--pg-dur-fast) var(--pg-ease),
    color var(--pg-dur-fast) var(--pg-ease), border-color var(--pg-dur-fast) var(--pg-ease);
}

.pg-button--sm {
  padding: 0.6em 1.2em;
  font-size: 0.875rem;
}

.pg-button--primary {
  background: var(--pg-accent);
  color: #fff;
}

.pg-button--primary:hover {
  background: var(--pg-accent-lo);
}

.pg-button--outline {
  border-color: currentColor;
  color: inherit;
}

/* currentColor'ı background'a kopyalayıp aynı kuralda color'ı değiştirmek,
   background'ın da YENİ color'a çözümlenmesine sebep olurdu (yazı görünmez
   kalırdı). Bu yüzden hover'da hedef renkler burada açıkça yazılıyor.
   Şu an bu buton yalnızca koyu hero üzerinde kullanılıyor. */
.pg-button--outline:hover {
  background: var(--pg-on-space);
  border-color: var(--pg-on-space);
  color: var(--pg-ink);
}

/* ============================================================ */
/* Mobil menü (hamburger açılır tam ekran panel)                 */
/* ============================================================ */

@media (max-width: 899px) {
  .site-header__toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--pg-header-h) 0 0 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--pg-space);
    color: var(--pg-on-space);
    padding: var(--pg-gap-3) var(--pg-gap-3) var(--pg-gap-5);
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--pg-dur-base) var(--pg-ease), visibility var(--pg-dur-base);
  }

  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__item {
    border-bottom: 1px solid var(--pg-line);
  }

  .site-nav__link {
    width: 100%;
    padding: var(--pg-gap-2) 0;
    justify-content: space-between;
  }

  .site-nav__dropdown a {
    padding: var(--pg-gap-1) 0 var(--pg-gap-1) var(--pg-gap-2);
  }

  .site-header__actions {
    flex-direction: column;
    align-items: stretch;
    margin-top: var(--pg-gap-3);
  }

  .site-header__actions .pg-button {
    justify-content: center;
  }

  .site-lang {
    justify-content: center;
    padding: var(--pg-gap-2) 0;
  }
}

@media (min-width: 900px) {
  .site-header__toggle {
    display: none;
  }

  .site-nav__item--dropdown {
    display: flex;
  }

  .site-nav__dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 260px;
    margin-top: var(--pg-gap-2);
    padding: var(--pg-gap-2);
    background: var(--pg-surface);
    color: var(--pg-ink);
    border: 1px solid var(--pg-line);
    border-radius: var(--pg-radius);
    box-shadow: 0 12px 32px rgba(11, 12, 14, 0.14);
  }

  .site-nav__dropdown a {
    padding: var(--pg-gap-1) var(--pg-gap-2);
    border-radius: var(--pg-radius-sm);
  }

  .site-nav__dropdown a:hover {
    background: var(--pg-surface-2);
  }
}

body.pg-scroll-lock {
  overflow: hidden;
}

/* ============================================================ */
/* Footer                                                         */
/* ============================================================ */

.site-footer {
  padding-block: var(--pg-gap-6) var(--pg-gap-4);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--pg-gap-4);
  padding-bottom: var(--pg-gap-5);
  border-bottom: 1px solid var(--pg-line);
}

.site-footer__brand .site-header__brand {
  margin-right: 0;
}

.site-footer__tagline {
  margin-top: var(--pg-gap-2);
  color: var(--pg-on-space-dim);
  font-size: 0.9375rem;
}

.site-footer__heading {
  font-family: var(--pg-font-body);
  font-size: var(--pg-text-label);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: var(--pg-gap-2);
}

.site-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--pg-gap-1);
}

.site-footer__col a {
  color: var(--pg-on-space-dim);
  font-size: 0.9375rem;
}

.site-footer__col a:hover {
  color: var(--pg-on-space);
}

.site-footer__col .site-lang {
  margin-top: var(--pg-gap-3);
}

.site-footer__bottom {
  padding-top: var(--pg-gap-3);
  font-size: var(--pg-text-label);
  color: var(--pg-on-space-dim);
}

@media (max-width: 899px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}