/* header-1 — sticky at viewport top. Zoom != 100% uses --header-zoom-sticky
   (transform/overflow on .page-shell / .page-scale break position:sticky). */
.header-1 {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
}

.header-1[data-zoom-sticky="1"] {
  position: relative;
  transform: translate3d(0, var(--header-zoom-sticky, 0px), 0);
}

.header-1__bar {
  --header-nav-mark: 0.55rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.75rem var(--page-gutter);
  max-width: 1600px;
  margin: 0 auto;
}

.header-1__auth {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: auto;
}

.header-1__langs {
  margin-left: 0;
}

.header-1__logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  overflow: hidden;
}

/* SEO / parser text — visually hidden, image stays visible */
.header-1__logo-text {
  position: absolute;
  inset: 0;
  display: block;
  margin: 0;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  text-indent: -1000rem;
  color: transparent;
  pointer-events: none;
}

.header-1__logo-media {
  display: none;
  position: relative;
  z-index: 1;
}

.header-1__logo-media[data-logo-bp="desktop"],
.header-1__logo-media:not([data-logo-bp]) {
  display: block;
}

.header-1__logo-img {
  display: block;
  height: clamp(2rem, 4.5vw, 2.5rem);
  width: auto;
}

.header-1__nav {
  display: none;
  flex: 1;
  justify-content: center;
  /* D1: Lato Regular ~16px, ~48px between items, uppercase + tracking */
  gap: 48px;
  font-size: 14px;
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 0.5pt;
}

.header-1__nav a {
  position: relative;
  padding-bottom: var(--header-nav-mark);
}

.header-1__nav a:hover {
  color: var(--color-blue);
}

/* D1: uneven yellow marker stroke under active item (not a flat bar) */
.header-1__nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: -10px;
  right: -8px;
  bottom: 0;
  height: 8px;
  background: url("/images/elements/nav-underline.svg") center / 100% 100% no-repeat;
  pointer-events: none;
}

/* Language switcher — CSS Anchor Positioning (anchor-name, not .anchor-reference).
   Opens downward; popup right edge aligns to globe (summary) right edge.
   position: absolute (not fixed): works with transform/zoom (.page-shell scale). */
.lang-dd {
  position: relative;
  z-index: 1;
}

.header-1__bar > .header-1__auth + .lang-dd {
  /* Tighten vs. bar gap (1rem): keep a small icon-pair spacing */
  margin-left: -0.75rem;
}

.lang-dd[open] {
  z-index: 120;
}

.lang-dd > summary {
  anchor-name: --lang-dd-trigger;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0;
  cursor: pointer;
  color: var(--color-text-muted, #999);
  padding: 0.25rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.lang-dd summary::-webkit-details-marker {
  display: none;
}

.lang-dd[open] > summary {
  color: var(--fla-auth-accent, #005bb9);
  border: none;
  background: var(--fla-auth-accent-soft, #e8f1fb);
}

@media (hover: hover) {
  .lang-dd > summary:hover {
    color: var(--fla-auth-accent, #005bb9);
    border: none;
    background: var(--fla-auth-accent-soft, #e8f1fb);
  }

  .lang-dd ul a:hover {
    background: var(--fla-auth-accent-soft, #e8f1fb);
    color: var(--fla-auth-accent, #005bb9);
  }
}

.lang-dd > summary .material-symbols-outlined:not(.expand) {
  font-size: calc(1.15rem + 3px);
}

.lang-dd > summary .expand {
  font-size: 1.15rem;
  margin-inline-start: -0.15rem;
  transition: transform 0.15s ease;
}

.lang-dd[open] > summary .expand {
  transform: rotate(180deg);
}

.lang-dd > ul {
  position: absolute;
  position-anchor: --lang-dd-trigger;
  inset: unset;
  top: calc(anchor(bottom) + 0.35rem);
  right: anchor(right);
  left: auto;
  bottom: auto;
  margin: 0;
  list-style: none;
  min-width: 220px;
  padding: 0.35rem 0;
  background: var(--color-elevated, #141414);
  border: 1px solid var(--color-elevated-border, #2a2a2a);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 2;
}
.lang-dd:not([open]) > ul {
  display: none !important;
}

/* Open language menu must not clip due to zoom/preview overflow */
html:has(.lang-dd[open]) .page-scale {
  overflow: visible;
}

.header-1,
.header-1__bar {
  overflow: visible;
}

@supports not (anchor-name: --x) {
  .lang-dd > ul {
    position: absolute;
    left: auto;
    right: 0;
    top: calc(100% + 0.35rem);
    bottom: auto;
  }
}

.lang-dd ul a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.85rem;
  border-radius: 0;
  color: var(--color-text);
  text-decoration: none;
  font: inherit;
  font-size: inherit;
  -webkit-tap-highlight-color: transparent;
}

.lang-dd ul a .dd-text {
  flex: 1;
}

.lang-dd ul a .dd-icons {
  display: grid;
  place-items: center;
  width: 1.125rem;
}

.lang-dd ul a .material-symbols-outlined {
  font-size: 1.15rem;
}

.lang-dd ul a .check {
  font-size: 1.15rem;
  visibility: hidden;
  color: var(--color-blue);
}

.lang-dd .flag {
  width: 20px;
  height: 10px;
  border-radius: 2px;
  display: block;
  flex: none;
}

html[data-lang="hu"] .lang-dd a[data-lang-set="hu"],
html[data-lang="en"] .lang-dd a[data-lang-set="en"] {
  color: var(--color-blue);
  pointer-events: none;
}

html[data-lang="hu"] .lang-dd a[data-lang-set="hu"] .check,
html[data-lang="en"] .lang-dd a[data-lang-set="en"] .check {
  visibility: visible;
}

.header-1__burger-wrap {
  position: relative;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: block;
}

.header-1__burger {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--color-text);
  cursor: pointer;
}

/* Default: close radio checked -> show open (hamburger), hide close */
.header-1__burger[data-burger="close"] {
  opacity: 0;
  pointer-events: none;
}

.header-1__burger[data-burger="open"] {
  opacity: 1;
  pointer-events: auto;
}

/* When open radio checked: swap icons */
.header-1:has(.header-1__burger[data-burger="open"] input:checked) .header-1__burger[data-burger="open"] {
  opacity: 0;
  pointer-events: none;
}
.header-1:has(.header-1__burger[data-burger="open"] input:checked) .header-1__burger[data-burger="close"] {
  opacity: 1;
  pointer-events: auto;
}

.header-1__panel {
  display: none;
  background: var(--color-elevated, #0a0a0a);
  border-top: 1px solid var(--color-elevated-border, #222);
  padding: 1rem var(--page-gutter) 1.5rem;
}

.header-1:has(.header-1__burger[data-burger="open"] input:checked) .header-1__panel {
  display: block;
}

.header-1__panel-nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-size: 14px;
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 0.5pt;
}

.header-1__panel-nav a {
  position: relative;
  align-self: flex-start;
  padding-bottom: 0.45rem;
}

.header-1__panel-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: -4px;
  right: -4px;
  bottom: 0;
  height: 8px;
  background: url("/images/elements/nav-underline.svg") center / 100% 100% no-repeat;
  pointer-events: none;
}

@container page (max-width: 767px) {
  .header-1__bar {
    gap: 0.45rem;
    min-height: 3.4rem;
    padding: 0.45rem var(--page-gutter);
  }

  .header-1__logo-img {
    height: 1.7rem;
  }

  .header-1__logo:has(> [data-logo-bp="mobile"]) > [data-logo-bp="desktop"],
  .header-1__logo:has(> [data-logo-bp="mobile"]) > [data-logo-bp="tablet"],
  .header-1__logo:has(> [data-logo-bp="mobile"]) > .header-1__logo-media:not([data-logo-bp]) {
    display: none;
  }

  .header-1__logo > [data-logo-bp="mobile"] {
    display: block;
  }

  .header-1__panel-nav {
    gap: 0.95rem;
    font-size: 13px;
  }
}

@container page (min-width: 768px) and (max-width: 1199px) {
  .header-1__bar {
    gap: 0.7rem;
    min-height: 4rem;
  }

  .header-1__logo-img {
    height: 2rem;
  }

  .header-1__logo:has(> [data-logo-bp="tablet"]) > [data-logo-bp="desktop"],
  .header-1__logo:has(> [data-logo-bp="tablet"]) > [data-logo-bp="mobile"],
  .header-1__logo:has(> [data-logo-bp="tablet"]) > .header-1__logo-media:not([data-logo-bp]) {
    display: none;
  }

  .header-1__logo > [data-logo-bp="tablet"] {
    display: block;
  }
}

/* Desktop nav: page container (preview width), not browser viewport */
@container page (min-width: 1200px) {
  .header-1__nav {
    display: flex;
  }
  /* Match nav underline inset so logo / auth / lang share the menu text center */
  .header-1__logo,
  .header-1__auth,
  .header-1__langs {
    padding-bottom: var(--header-nav-mark);
  }
  .header-1__burger-wrap {
    display: none;
  }
  .header-1__panel,
  .header-1:has(.header-1__burger[data-burger="open"] input:checked) .header-1__panel {
    display: none;
  }
  .lang-dd {
    margin-left: 0;
  }
}