/* ==========================================================================
   Layout v2: Header, Footer, Page Banner, Mobile Nav
   ========================================================================== */

/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition:
    background-color 400ms var(--ease-out-expo),
    box-shadow 400ms var(--ease-out-expo),
    backdrop-filter 400ms var(--ease-out-expo);
  isolation: isolate;
}

.header .header__inner {
  position: relative;
  z-index: 1;
}

.header--transparent {
  background-color: transparent;
  box-shadow: none;
}

.header--solid {
  background-color: rgba(250, 250, 247, 0.92);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 1px 0 var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-padding-x);
}

/* ── Logo ── */
.header__logo {
  display: block;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.header__logo:hover {
  opacity: 0.9;
}

.header__logo-img {
  display: block;
  height: 92px;
  width: auto;
  max-width: 339px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  padding: 12px 0;
}

/* Scroll sonrası (header solid): logoyu siyaha dönüştür */
.header--solid .header__logo-img {
  filter: none;
  height: 148px;
  max-width: 220px;
}

@media (max-width: 768px) {
  .header__logo-img {
    height: 84px;
    max-width: 300px;
  }
  .header--solid .header__logo-img {
    height: 52px;
    max-width: 200px;
  }
}
@media (max-width: 576px) {
  .header__logo-img {
    height: 72px;
    max-width: 260px;
  }
  .header--solid .header__logo-img {
    height: 128px;
    max-width: 200px;
  }
}

/* ── Desktop Nav ── */
.nav {
  display: none;
}

@media (min-width: 992px) {
  .nav {
    display: flex;
    align-items: center;
    gap: 0;
  }
}

.nav__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-base);
}

.nav__link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: var(--space-3);
  right: var(--space-3);
  height: 1.5px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  transform: scaleX(1);
}

.header--solid .nav__link {
  color: var(--color-text-muted);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-white);
}

.header--solid .nav__link:hover,
.header--solid .nav__link--active {
  color: var(--color-secondary);
}

/* ── Mobile Toggle ── */
.header__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  z-index: 1001;
  position: relative;
}

.header--solid .header__toggle {
  color: var(--color-secondary);
}

.header__toggle:hover {
  background-color: rgba(255,255,255,0.12);
}

.header--solid .header__toggle:hover {
  background-color: var(--color-cream);
}

/* Hamburger -> X animation */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 22px;
  height: 22px;
  position: relative;
}

.hamburger__line {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  position: absolute;
  left: 0;
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1),
              opacity 200ms ease;
}

.hamburger__line:nth-child(1) { top: 4px; }
.hamburger__line:nth-child(2) { top: 10px; }
.hamburger__line:nth-child(3) { top: 16px; }

.header__toggle[aria-expanded="true"] .hamburger__line:nth-child(1) {
  top: 10px;
  transform: rotate(45deg);
}

.header__toggle[aria-expanded="true"] .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__toggle[aria-expanded="true"] .hamburger__line:nth-child(3) {
  top: 10px;
  transform: rotate(-45deg);
}

.header__toggle[aria-expanded="true"] {
  color: var(--color-white);
}

.header--solid .header__toggle[aria-expanded="true"] {
  color: var(--color-secondary);
}

@media (min-width: 992px) {
  .header__toggle {
    display: none;
  }
}

/* ── Mobile Nav Overlay ── */
.nav-mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 999;
  padding: calc(var(--header-height) + var(--space-8)) var(--section-padding-x) var(--space-8);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity 350ms var(--ease-out-expo),
    visibility 350ms var(--ease-out-expo),
    transform 350ms var(--ease-out-expo);
}

.nav-mobile.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-mobile .nav__link {
  display: flex;
  align-items: center;
  padding: var(--space-4) 0;
  font-size: var(--font-size-lg);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-normal);
  text-transform: none;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast), padding-left var(--transition-base);
}

.nav-mobile .nav__link::after {
  display: none;
}

.nav-mobile .nav__link:hover {
  color: var(--color-primary);
  padding-left: var(--space-3);
}

.nav-mobile .nav__link:last-child {
  border-bottom: none;
}

/* ── Mobile Nav Structure ── */
.nav-mobile__links {
  flex: 1;
}

.nav-mobile__footer {
  margin-top: auto;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.08);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 500ms var(--ease-out-expo) 350ms,
              transform 500ms var(--ease-out-expo) 350ms;
}

.nav-mobile.is-open .nav-mobile__footer {
  opacity: 1;
  transform: translateY(0);
}

.nav-mobile__socials {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.nav-mobile__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-mobile__socials a:hover {
  color: var(--color-white);
  border-color: var(--color-accent);
  background-color: rgba(255,255,255,0.06);
}

.nav-mobile__socials svg {
  width: 18px;
  height: 18px;
}

.nav-mobile__copy {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
  letter-spacing: var(--letter-spacing-wide);
  margin: 0;
}

/* ═══════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════ */

.main {
  padding-top: var(--header-height);
  min-height: 100vh;
}

body.page-home .main {
  padding-top: 0;
}

/* ═══════════════════════════════════════════
   PAGE BANNER (Sub-pages)
   ═══════════════════════════════════════════ */

.page-banner {
  position: relative;
  min-height: 220px;
  display: flex;
  align-items: flex-end;
  margin-top: calc(-1 * var(--header-height));
  padding-top: var(--header-height);
  padding-bottom: var(--space-8);
  padding-left: var(--section-padding-x);
  padding-right: var(--section-padding-x);
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(22, 25, 24, 0.5) 0%,
    rgba(22, 25, 24, 0.72) 100%
  );
  z-index: 1;
}

.page-banner__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
}

.page-banner .breadcrumb__list {
  color: rgba(255,255,255,0.7);
}

.page-banner .breadcrumb__item a {
  color: rgba(255,255,255,0.9);
}

.page-banner .breadcrumb__item[aria-current="page"],
.page-banner .breadcrumb__item[aria-current="page"] a {
  color: var(--color-white);
}

.page-banner .breadcrumb__item:not(:last-child)::after {
  color: rgba(255,255,255,0.4);
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */

.footer {
  background-color: var(--color-secondary);
  color: var(--color-gray-200);
  padding: var(--space-20) var(--section-padding-x) var(--space-12);
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(80%, var(--container-max));
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--color-accent) 20%,
    var(--color-accent) 80%,
    transparent
  );
  opacity: 0.3;
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  gap: var(--space-12);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-16);
  }
}

.footer__logo {
  display: inline-block;
  margin-bottom: var(--space-4);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}
.footer__logo:hover {
  opacity: 0.9;
}
.footer__logo-img {
  display: block;
  height: 124px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  max-width: 280px;
  object-fit: contain;
}

.footer__text {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  max-width: 340px;
  color: var(--color-gray-300);
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--color-gray-300);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.footer__socials a:hover {
  color: var(--color-white);
  border-color: var(--color-accent);
  background-color: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

.footer__socials svg {
  width: 18px;
  height: 18px;
}

.footer__title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: var(--letter-spacing-ultra);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__links li {
  margin-bottom: var(--space-3);
}

.footer__links a {
  color: var(--color-gray-200);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 400;
  transition: color var(--transition-fast);
  position: relative;
}

.footer__links a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__links a:hover::after {
  width: 100%;
}

.footer__bottom {
  max-width: var(--container-max);
  margin: var(--space-16) auto 0;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-secondary-light);
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  text-align: center;
  letter-spacing: var(--letter-spacing-wide);
}

.footer__bottom a {
  color: var(--color-gray-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__bottom a:hover {
  color: var(--color-accent);
}

/* ═══════════════════════════════════════════
   MOBILE RESPONSIVE ENHANCEMENTS
   ═══════════════════════════════════════════ */

/* Mobile nav: more dramatic entrance */
.nav-mobile {
  background: var(--color-secondary);
}

.nav-mobile .nav__link {
  color: rgba(255,255,255,0.85);
  border-bottom-color: rgba(255,255,255,0.08);
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 400;
  padding: var(--space-5) 0;
  opacity: 0;
  transform: translateX(-20px);
  transition:
    color var(--transition-fast),
    padding-left var(--transition-base),
    opacity 400ms var(--ease-out-expo),
    transform 400ms var(--ease-out-expo);
}

.nav-mobile.is-open .nav__link {
  opacity: 1;
  transform: translateX(0);
}

.nav-mobile.is-open .nav-mobile__links .nav__link:nth-child(1) { transition-delay: 50ms; }
.nav-mobile.is-open .nav-mobile__links .nav__link:nth-child(2) { transition-delay: 100ms; }
.nav-mobile.is-open .nav-mobile__links .nav__link:nth-child(3) { transition-delay: 150ms; }
.nav-mobile.is-open .nav-mobile__links .nav__link:nth-child(4) { transition-delay: 200ms; }
.nav-mobile.is-open .nav-mobile__links .nav__link:nth-child(5) { transition-delay: 250ms; }
.nav-mobile.is-open .nav-mobile__links .nav__link:nth-child(6) { transition-delay: 300ms; }
.nav-mobile.is-open .nav-mobile__links .nav__link:nth-child(7) { transition-delay: 350ms; }
.nav-mobile.is-open .nav-mobile__links .nav__link:nth-child(8) { transition-delay: 400ms; }

.nav-mobile .nav__link:hover {
  color: var(--color-accent);
  padding-left: var(--space-4);
}

/* Header mobile adjustments */
@media (max-width: 991px) {
  .header {
    height: 64px;
    --header-height: 64px;
  }
}

/* Footer mobile */
@media (max-width: 767px) {
  .footer {
    padding: var(--space-12) var(--section-padding-x) var(--space-8);
  }
  .footer__inner {
    gap: var(--space-8);
  }
  .footer__logo-img {
    height: 90px;
    max-width: 220px;
  }
  .footer__bottom {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
  }
}

/* Page banner mobile */
@media (max-width: 767px) {
  .page-banner {
    min-height: 180px;
    padding-bottom: var(--space-6);
  }
}

/* ═══════════════════════════════════════════
   COOKIE CONSENT BANNER
   ═══════════════════════════════════════════ */

.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--color-secondary);
  border-top: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 -4px 30px rgba(0,0,0,0.25);
  transform: translateY(100%);
  opacity: 0;
  transition: transform 500ms var(--ease-out-expo), opacity 400ms ease;
}

.cookie-consent.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.cookie-consent__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-5) var(--section-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.cookie-consent__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-200);
  line-height: var(--line-height-relaxed);
  margin: 0;
  flex: 1;
}

.cookie-consent__text a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-consent__text a:hover {
  color: var(--color-white);
}

.cookie-consent__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .cookie-consent__inner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-5) var(--space-5);
  }
  .cookie-consent__actions {
    width: 100%;
    justify-content: center;
  }
}