/* ============================================================
   FUAR EXPORA — components: preloader, header, menü, cursor, marquee
   ============================================================ */

/* ---------- Preloader ---------- */
.preloader {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--anthracite);
  color: var(--paper);
  align-items: center;
  justify-content: center;
}
.js .preloader { display: flex; }
.preloader.is-done { display: none; }

.preloader__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  width: min(30rem, 76vw);
}
.preloader__mark {
  width: min(27rem, 70vw);
  overflow: clip;
}
.preloader__logo {
  display: block;
  width: 100%;
  height: auto;
  transform: translateY(110%);
  will-change: transform;
}

.preloader__meta {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-dark);
  opacity: 0;
}
.preloader__count { color: var(--paper); }

.preloader__bar {
  width: 100%;
  height: 1px;
  background: var(--line-dark);
  overflow: hidden;
}
.preloader__bar-fill {
  display: block;
  height: 100%;
  background: var(--kobalt-soft);
  transform: scaleX(0);
  transform-origin: left;
}

.preloader__curtain {
  position: absolute;
  inset: 0;
  background: var(--kobalt);
  transform: translateY(101%);
  z-index: 3;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--gutter);
  transition: transform 0.55s var(--ease-out);
}
.header.is-hidden { transform: translateY(-110%); }

.header__brand {
  display: inline-flex;
  align-items: center;
  width: clamp(10rem, 13vw, 13.5rem);
  height: 4.6rem;
}
.header__brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.header__brand-logo--light { display: none; }
.header__brand:hover .header__brand-logo { transform: translateY(-1px); }
body[data-theme="ink"] .header__brand-logo--dark,
.menu-open .header__brand-logo--dark { display: none; }
body[data-theme="ink"] .header__brand-logo--light,
.menu-open .header__brand-logo--light { display: block; }

@media (max-width: 760px) {
  .header {
    background: rgba(241, 239, 233, 0.9);
    border-bottom: 1px solid rgba(20, 21, 18, 0.08);
    -webkit-backdrop-filter: blur(16px) saturate(125%);
    backdrop-filter: blur(16px) saturate(125%);
  }
  body[data-theme="ink"] .header,
  .menu-open .header {
    background: rgba(23, 24, 26, 0.9);
    border-bottom-color: rgba(241, 239, 233, 0.1);
  }
  .header__brand { width: clamp(8.5rem, 37vw, 10.5rem); height: 3.85rem; }
}

.header__right { display: flex; align-items: center; gap: 1.75rem; }

.header__desktop-nav { display: flex; align-items: center; gap: 1.5rem; font-size: 0.82rem; font-weight: 500; transition: opacity var(--dur-fast); }
.header__desktop-nav > a,
.header-services > summary { padding-block: 0.75rem; }
.header-services { position: relative; }
.header-services > summary { display: flex; align-items: center; gap: 0.4rem; cursor: pointer; list-style: none; }
.header-services > summary::-webkit-details-marker { display: none; }
.header-services > summary span { font-family: var(--font-mono); transition: transform var(--dur-fast) var(--ease-out); }
.header-services[open] > summary span { transform: rotate(180deg); }
.header-services__menu {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  width: min(22rem, 80vw);
  padding: 0.75rem;
  background: var(--anthracite);
  color: var(--paper);
  border: 1px solid var(--line-dark);
  box-shadow: 0 1rem 3rem rgba(20, 21, 18, 0.18);
}
.header-services__menu a { display: block; padding: 0.7rem 0.8rem; border-bottom: 1px solid var(--line-dark); }
.header-services__menu a:last-child { border-bottom: 0; }
.header-services__menu a:hover,
.header-services__menu a:focus-visible { color: var(--kobalt-soft); }

@media (max-width: 1100px) {
  .header__desktop-nav { display: none; }
}

.header__cta {
  font-size: 0.85rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 2px;
}
.menu-open .header__desktop-nav,
.menu-open .header__cta { opacity: 0; pointer-events: none; }
.header__cta::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.header__cta:hover::after { transform: scaleX(1); }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 44px;
  padding: 0.4rem 0.2rem;
}
.menu-toggle__label {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.menu-toggle__icon {
  width: 1.9rem;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.menu-toggle__icon i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.45s var(--ease-out), width 0.45s var(--ease-out);
  transform-origin: center;
}
.menu-toggle__icon i:last-child { width: 62%; align-self: flex-end; }
.menu-toggle:hover .menu-toggle__icon i:last-child { width: 100%; }
.menu-open .menu-toggle__icon i:first-child { transform: translateY(4.5px) rotate(45deg); }
.menu-open .menu-toggle__icon i:last-child { width: 100%; transform: translateY(-4.5px) rotate(-45deg); }

/* Header koyu section üstünde */
body[data-theme="ink"] .header { color: var(--paper); }
.menu-open .header { color: var(--paper); }

/* ---------- Menü overlay ---------- */
.menu {
  position: fixed;
  inset: 0;
  z-index: 95;
  visibility: hidden;
}
.menu.is-open, .menu.is-animating { visibility: visible; }

.menu__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 21, 18, 0.35);
  opacity: 0;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.menu__panel {
  position: absolute;
  inset: 0;
  background: var(--anthracite);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2.5rem;
  clip-path: inset(0 0 100% 0);
  overflow-y: auto;
}
.menu__panel::before {
  /* pafta grid dokusu */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.35;
  pointer-events: none;
}

.menu__list { display: flex; flex-direction: column; }
.menu__item { border-bottom: 1px solid var(--line-dark); }
.menu__item:first-child { border-top: 1px solid var(--line-dark); }

.menu__link {
  display: flex;
  align-items: baseline;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(0.7rem, 1.8vh, 1.3rem) 0;
  position: relative;
}
.menu__no {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: 0.12em;
  color: var(--muted-dark);
  min-width: 3.2rem;
  transition: color 0.3s var(--ease-out);
}
.menu__label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 7.5vh, 4.6rem);
  line-height: 1.05;
  overflow: clip;
  display: inline-block;
}
.menu__label-inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.5s var(--ease-out), color 0.3s var(--ease-out);
}
.menu__link:hover .menu__label-inner,
.menu__link:focus-visible .menu__label-inner {
  transform: translateY(0) translateX(1.5rem);
  color: var(--kobalt-soft);
}
.menu.is-open .menu__label-inner { transform: translateY(0); }
.menu__link:hover .menu__no { color: var(--kobalt-soft); }
.menu__subnav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.45rem 1.25rem; padding: 0 0 1rem calc(3.2rem + clamp(1rem, 3vw, 2.5rem)); }
.menu__subnav a { display: block; padding: 0.35rem 0; color: var(--muted-dark); font-size: 0.82rem; }
.menu__subnav a:hover,
.menu__subnav a:focus-visible,
.menu__subnav a[aria-current="page"] { color: var(--kobalt-soft); }

.menu__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 4rem;
  padding-top: 2rem;
  position: relative;
}
.menu__foot-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: 0.5rem;
}
.menu__foot-link { font-weight: 500; }
.menu__foot-link:hover { color: var(--kobalt-soft); }
.menu__foot-col--meta { display: grid; align-content: start; gap: 0.35rem; }
.menu__foot-col--meta .menu__foot-label { margin-bottom: 0.15rem; }
.menu__social { display: flex; gap: 1.25rem; }
.menu__social a:hover { color: var(--kobalt-soft); }
.menu__foot-text { color: var(--muted-dark); }

@media (max-width: 760px) {
  /* vh tabanlı ölçek dar ekranda taşar; genişlik tabanlıya geç */
  .menu__label { font-size: clamp(1.9rem, 8.5vw, 2.8rem); white-space: normal; }
  .menu__no { min-width: 2.4rem; }
  .menu__link { gap: 0.9rem; align-items: baseline; }
  .menu__link:hover .menu__label-inner,
  .menu__link:focus-visible .menu__label-inner { transform: translateY(0); }
  .menu__subnav { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-left: calc(2.4rem + 0.9rem); }
}

@media (max-width: 430px) {
  .menu__subnav { grid-template-columns: 1fr; }
}

/* ---------- Custom cursor ---------- */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 300;
  pointer-events: none;
  display: none;
}
@media (hover: hover) and (pointer: fine) {
  .js .cursor { display: block; }
}
@media (max-width: 760px) {
  /* Dar Chrome pencerelerinde mouse özelliği raporlansa bile mobil
     kompozisyonda masaüstü imleci görünmemeli. */
  .js .cursor { display: none !important; }
}
.cursor__dot {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--kobalt);
  transform: translate(-50%, -50%);
}
.cursor__ring {
  position: absolute;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--kobalt);
  opacity: 0.55;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out), opacity 0.3s;
}
.cursor__label {
  position: absolute;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--kobalt);
  padding: 0.45em 0.8em;
  border-radius: 100px;
  opacity: 0;
  white-space: nowrap;
}
.cursor.is-link .cursor__ring { width: 52px; height: 52px; opacity: 0.9; }
.cursor.is-row .cursor__ring { width: 64px; height: 64px; opacity: 1; }
.cursor.is-hidden .cursor__dot,
.cursor.is-hidden .cursor__ring { opacity: 0; }

/* ---------- Marquee ---------- */
.marquee {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(4rem, 5.4vw, 4.75rem);
  overflow: clip;
  border-block: 1px solid var(--line);
  padding-block: 0;
  background: rgba(244, 242, 237, 0.98);
}
.marquee::before,
.marquee::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  width: clamp(1.5rem, 5vw, 5rem);
  pointer-events: none;
}
.marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--paper), transparent);
}
.marquee::after {
  right: 0;
  background: linear-gradient(270deg, var(--paper), transparent);
}
.marquee__track {
  display: flex;
  align-items: center;
  width: max-content;
  will-change: transform;
}
.marquee__group {
  display: flex;
  align-items: center;
  flex: none;
}
.marquee__item {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1rem, 1.55vw, 1.4rem);
  line-height: 1;
  letter-spacing: -0.012em;
  color: rgba(15, 16, 18, 0.88);
  padding-inline: 0.15rem;
  white-space: nowrap;
}
.marquee__sep {
  display: inline-block;
  width: 0.34em;
  height: 0.34em;
  margin-inline: clamp(1rem, 2vw, 1.75rem);
  background: transparent;
  border: 1px solid rgba(43, 60, 255, 0.72);
  transform: rotate(45deg);
  flex: none;
}

@media (max-width: 600px) {
  .marquee { min-height: 3.5rem; }
  .marquee__item { font-size: 0.95rem; }
  .marquee__sep { margin-inline: 0.9rem; }
}