/* =========================================================
   Header — Site Header, Navigation & Header Actions
   ========================================================= */

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  width: 100%;
  background: none;
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1), background var(--transition-base), border-color var(--transition-base), max-width var(--transition-base), margin var(--transition-base), border-radius var(--transition-base), top var(--transition-base);
  isolation: isolate;
}

.site-header.is-hidden {
  transform: translateY(-120%);
}

/* Üst hairline aksan çizgisi — brand gradient */
.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(255, 184, 28, 0.0) 12%,
      rgba(255, 184, 28, 0.55) 38%,
      rgba(255, 107, 31, 0.55) 62%,
      rgba(255, 107, 31, 0.0) 88%,
      transparent 100%);
  z-index: 2;
  pointer-events: none;
}

/* Scroll edildiğinde: katı blur header */
.site-header.is-scrolled {
  background: rgba(7, 9, 14, 0.86);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-lg);
  max-width: var(--container-xl);
  margin: 0 auto;
  position: fixed;
  left: 0;
  right: 0;
  top: 6px;
  border-radius: var(--radius-full);
}

.site-header.is-scrolled::after {
  opacity: 0;
}

.site-header.is-scrolled::before {
  display: none;

}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 84px;
  transition: all var(--transition-base);
}

.site-header.is-scrolled .header-inner {
  height: 76px;
  padding: var(--container-padding);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--color-text);
  transition: opacity var(--transition-base);
  /* logo PNG'sinin etrafındaki beyaz alanı dengelemek için */
  text-decoration: none;
}

.brand:hover {
  opacity: 0.88;
}

.brand-logo {
  height: 40px;
  width: auto;
  display: block;
  transition: height var(--transition-base);
  filter: brightness(1.1);
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-light-text-soft);
  text-transform: uppercase;
  transition: color 400ms ease, text-shadow 400ms ease;
}

/* Fütüristik Hover Efekti: Noktadan Çizgiye Dönüşen Lazer */
.nav-link::before {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  translate: -50% 0;
  height: 2px;
  border-radius: 100px;
  transition: all var(--transition-base);
  width: 0;
  background: var(--color-primary);

}

.nav-link:hover::before,
.nav-link.is-active::before {
  width: 50%;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-light-text);
  text-shadow: 0 0 8px rgb(0 0 0 / 9%);
}

.site-header.is-scrolled .nav-link {
  color: var(--color-text-soft);
}

.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.is-active {
  color: var(--color-text);
}

.site-header.is-scrolled .nav-link::before {
  height: 1px;
}

.site-header.is-scrolled .header-divider {
  background: linear-gradient(180deg, transparent, rgb(255 255 255 / 46%), transparent);
}


body:has(.inner-hero) .nav-link {
  color: var(--color-text-soft);
}

body:has(.inner-hero) .nav-link:hover {
  color: var(--color-text);
}


/* ---------- Header right side ---------- */
.header-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-search,
.btn-phone {
  width: 44px !important;
  height: 44px !important;
  padding: 0;
}

.btn-search svg,
.btn-phone svg {
  width: 17px;
  height: 17px;
}

.header-divider {
  width: 1px;
  height: 28px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.462), transparent);
  margin: 0 3px;
}

.header-actions .btn-primary {
  height: 44px !important;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  align-items: center;
  justify-content: center;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-base), top var(--transition-base);
}

.menu-toggle span::before {
  top: -6px;
}

.menu-toggle span::after {
  top: 6px;
}

.menu-toggle.is-open span {
  background: transparent;
}

.menu-toggle.is-open span::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle.is-open span::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-menu,
.mobile-menu-backdrop {
  display: none;
}