/* --------------------------------------------------------------------------
   Header and navigation
   A sticky header with a blurred backdrop. The main navigation stays inline
   on desktop and is replaced by a hamburger button on small screens.
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--flambart-z-header);
  background: rgba(247, 242, 232, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(16, 42, 67, 0.08);
  box-shadow: 0 8px 28px rgba(16, 42, 67, 0.05);
}

.flambart-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding-block: 0.5rem;
  gap: 1rem;
}

.flambart-site-title {
  display: flex;
  align-items: center;
  gap: 0.72rem;
  line-height: 1;
  color: var(--flambart-blue-dark);
  text-decoration: none;
}

.flambart-site-logo {
  display: block;
  flex: 0 0 3rem;
  width: 3rem;
  height: 3rem;
  object-fit: contain;
  filter: drop-shadow(0 5px 12px rgba(16, 42, 67, 0.1));
}

.flambart-site-title-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.flambart-site-title-main {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.flambart-site-title-sub {
  margin-top: 0.2rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(16, 42, 67, 0.72);
  text-transform: uppercase;
}

.flambart-main-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 1.2vw, 1rem);
  font-size: 0.95rem;
}

.flambart-main-nav a {
  position: relative;
  font-weight: 650;
  padding-block: 0.4rem;
  color: var(--flambart-blue-dark);
  text-decoration: none;
}

.flambart-main-nav a:not(.flambart-member-link)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.1rem;
  height: 2px;
  background: var(--flambart-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.16s ease;
}

.flambart-main-nav a:hover::after,
.flambart-main-nav a:focus::after {
  transform: scaleX(1);
}

.flambart-main-nav a:hover,
.flambart-main-nav a:focus {
  color: var(--flambart-red);
}

.flambart-member-link {
  border: 1px solid rgba(37, 79, 130, 0.75);
  border-radius: var(--flambart-radius-pill);
  padding: 0.45rem 0.85rem;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.flambart-member-link:hover,
.flambart-member-link:focus {
  background: var(--flambart-blue);
  border-color: var(--flambart-blue);
  color: var(--flambart-cream);
}

.flambart-menu-toggle {
  display: none;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0.5rem;
  align-items: center;
  gap: 0.45rem;
  color: var(--flambart-blue-dark);
  font: inherit;
  font-weight: 750;
}

.flambart-menu-toggle-icon {
  display: grid;
  gap: 0.28rem;
}

.flambart-menu-toggle-icon span,
.flambart-menu-toggle > span:not(.flambart-menu-toggle-text):not(.flambart-menu-toggle-icon) {
  display: block;
  width: 1.6rem;
  height: 2px;
  background: var(--flambart-blue-dark);
  transition: transform 0.25s ease;
}

.flambart-mobile-panel {
  position: fixed;
  inset: 0;
  z-index: var(--flambart-z-menu);
  display: none;
  background: rgba(247, 242, 232, 0.96);
  backdrop-filter: blur(12px);
}

.flambart-mobile-panel-inner {
  position: relative;
  width: min(100% - 2 * var(--flambart-mobile-pad, 1.5rem), 720px);
  margin-inline: auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: clamp(1rem, 4vw, 1.5rem) var(--flambart-mobile-pad, 1.5rem) clamp(1.25rem, 5vw, 2rem);
}

.flambart-mobile-panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(16, 42, 67, 0.12);
}

.flambart-mobile-brand {
  display: grid;
  gap: 0.12rem;
  color: var(--flambart-blue-dark);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.1rem;
  font-weight: 800;
  text-decoration: none;
}

.flambart-mobile-brand small {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: rgba(16, 42, 67, 0.64);
}

.flambart-menu-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.55rem 1rem;
  border: 1px solid rgba(37, 79, 130, 0.45);
  border-radius: var(--flambart-radius-pill);
  background: rgba(255, 255, 255, 0.74);
  color: var(--flambart-blue-dark);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.flambart-mobile-panel-note {
  margin-top: auto;
  color: rgba(47, 58, 64, 0.68);
  font-size: 0.98rem;
}

.flambart-mobile-nav {
  display: grid;
  gap: 1rem;
  margin: clamp(1.3rem, 4vw, 1.8rem) 0;
}

.flambart-mobile-nav a,
.flambart-mobile-member-link {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.3rem;
  color: var(--flambart-blue-dark);
  text-decoration: none;
  font-weight: 700;
}

.flambart-mobile-nav a:hover,
.flambart-mobile-nav a:focus,
.flambart-mobile-member-link:hover,
.flambart-mobile-member-link:focus {
  color: var(--flambart-red);
}

.flambart-mobile-member-link {
  margin-top: 1rem;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(37, 79, 130, 0.35);
  border-radius: var(--flambart-radius-pill);
  background: rgba(255, 255, 255, 0.9);
  display: inline-flex;
  justify-content: center;
}

html.flambart-menu-open,
body.flambart-menu-open {
  overflow: hidden;
}

html.flambart-menu-open .flambart-mobile-panel,
body.flambart-menu-open .flambart-mobile-panel {
  display: block;
}

html.flambart-menu-open .site-header,
body.flambart-menu-open .site-header {
  position: fixed;
  inset: 0;
  min-height: 100dvh;
  overflow-y: auto;
  background: rgba(247, 242, 232, 0.98);
  border-bottom: 0;
  box-shadow: none;
}

html.flambart-menu-open .flambart-header-inner,
body.flambart-menu-open .flambart-header-inner {
  opacity: 0;
  pointer-events: none;
}

html.flambart-menu-open .flambart-menu-toggle-icon span:nth-child(1),
body.flambart-menu-open .flambart-menu-toggle-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

html.flambart-menu-open .flambart-menu-toggle-icon span:nth-child(2),
body.flambart-menu-open .flambart-menu-toggle-icon span:nth-child(2) {
  opacity: 0;
}

html.flambart-menu-open .flambart-menu-toggle-icon span:nth-child(3),
body.flambart-menu-open .flambart-menu-toggle-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1040px) {
  .flambart-site-logo {
    flex-basis: 2.5rem;
    width: 2.5rem;
    height: 2.5rem;
  }

  .flambart-main-nav {
    display: none;
  }

  .flambart-menu-toggle {
    display: inline-flex;
  }
}