/* Header-specific styles for BLACK SEA DEAL HOUSE */

.site-header {
  z-index: 50;
}

.header-menu {
  display: flex;
  align-items: center;
}

.header-menu > summary {
  list-style: none;
  cursor: pointer;
}

.header-menu > summary::-webkit-details-marker {
  display: none;
}

.header-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-right: var(--space-3);
  border-radius: 50%;
  background: radial-gradient(circle at 30% 0, #ffffff, #f5b945 45%, #7a4a10 100%);
  box-shadow: 0 0 0 2px rgba(245, 185, 69, 0.4), 0 0 22px rgba(245, 185, 69, 0.55);
}

.header-logo-chip {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(5, 7, 12, 0.85);
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 55%),
    conic-gradient(from 0deg, var(--color-accent-red), var(--color-primary), var(--color-accent-blue), var(--color-accent-red));
}

.header-logo-text {
  display: inline-flex;
  flex-direction: column;
}

.header-logo-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.header-logo-subtitle {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation layout */

.header-nav {
  display: flex;
}

.header-nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.header-nav-item {
  display: flex;
}

.header-nav-cta {
  margin-left: var(--space-4);
}

.header-reserve-btn {
  padding-inline: 1.4rem;
}

/* Mobile toggle */

.header-toggle {
  display: none;
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  z-index: 2;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(5, 7, 14, 0.85);
  line-height: 0;
  padding: 0;
}

.header-toggle-bar {
  display: block;
  position: absolute;
  left: 50%;
  width: 22px;
  height: 2.5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-red));
  transition: transform var(--transition-medium), opacity var(--transition-medium);
  transform: translateX(-50%);
  transform-origin: center;
}

.header-toggle-bar:nth-child(1) {
  top: 14px;
}

.header-toggle-bar:nth-child(2) {
  top: 21px;
}

.header-toggle-bar:nth-child(3) {
  top: 28px;
}

/* Toggle animation when menu is open */

.site-header--nav-open .header-toggle-bar:nth-child(1) {
  transform: translateX(-50%) translateY(7px) rotate(45deg);
}

.site-header--nav-open .header-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header--nav-open .header-toggle-bar:nth-child(3) {
  transform: translateX(-50%) translateY(-7px) rotate(-45deg);
}

/* Mobile layout */

@media (max-width: 900px) {
  .header-toggle {
    display: inline-flex;
  }

  .header-menu {
    position: relative;
  }

  .header-nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    z-index: 1;
    background: radial-gradient(circle at top, rgba(18, 23, 40, 0.98), rgba(5, 7, 12, 0.98));
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform-origin: top center;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    max-height: calc(100vh - 56px);
    overflow-y: auto;
    transition:
      opacity var(--transition-medium),
      transform var(--transition-medium),
      visibility var(--transition-medium);
  }

  .header-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
  }

  .header-nav-item {
    width: 100%;
  }

  .header-nav-item .navbar__link {
    display: block;
    width: 100%;
    padding-block: 0.35rem;
  }

  .header-nav-cta {
    width: 100%;
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .header-reserve-btn {
    width: 100%;
    justify-content: center;
  }

  .site-header--nav-open .header-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
  }

  .header-menu[open] .header-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
  }

  .header-menu[open] .header-toggle-bar:nth-child(1) {
    transform: translateX(-50%) translateY(7px) rotate(45deg);
  }

  .header-menu[open] .header-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .header-menu[open] .header-toggle-bar:nth-child(3) {
    transform: translateX(-50%) translateY(-7px) rotate(-45deg);
  }
}

/* Desktop refinements */

@media (min-width: 901px) {
  .header-menu {
    display: flex;
    align-items: center;
  }

  .header-menu > summary {
    display: none;
  }

  .header-menu:not([open]) > .header-nav,
  .header-menu[open] > .header-nav {
    display: flex;
    align-items: center;
  }

  .header-nav {
    align-items: center;
  }
}

/* High contrast focus outline on links within header */

.site-header a:focus-visible,
.site-header button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}