/* Header-specific styles for Tvorena */

body.has-fixed-header main {
  padding-top: calc(var(--banner-height) + var(--header-height));
}

.site-header {
  position: fixed;
  top: 22px;
  left: 0;
  right: 0;
  z-index: 900;
  background-color: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.site-header .container {
  position: relative;
}

.site-header-inner {
  height: var(--header-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-24);
}

.site-logo-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-serif);
  font-size: var(--font-size-lg);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-heading-navy);
  padding: 0.25rem 0.5rem;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-20);
}

.nav-left {
  justify-content: flex-start;
}

.nav-right {
  justify-content: flex-end;
}

.nav-link {
  font-family: var(--font-family-accent);
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-heading-navy);
  padding-block: 0.25rem;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-heading-navy);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link[aria-current='page']::after {
  width: 100%;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: calc(var(--banner-height) + 0.5rem);
  padding: 0.5rem 1rem;
  background-color: #000;
  color: #fff;
  z-index: 1100;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  opacity: 0;
  pointer-events: none;
}

.skip-link:focus-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Mobile navigation */
.nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 32px;
  justify-self: end;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 0, 0, 0.16);
  background-color: #ffffff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 18px;
  height: 1.5px;
  background-color: var(--color-heading-navy);
  border-radius: 999px;
  position: relative;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.nav-toggle-bar + .nav-toggle-bar {
  margin-left: 0.25rem;
}

.nav-toggle.is-open .nav-toggle-bar:first-child {
  transform: translateY(1px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-bar:last-child {
  transform: translateY(-1px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  left: 0;
  right: 0;
  max-height: 0;
  overflow: hidden;
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: max-height var(--transition-normal);
  z-index: 850;
}

.mobile-nav.is-open {
  max-height: 420px;
}

.mobile-nav-inner {
  padding: var(--space-16) var(--layout-gutter) var(--space-24);
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.mobile-nav-link {
  display: block;
  padding-block: 0.35rem;
  font-family: var(--font-family-accent);
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-heading-navy);
}

.mobile-nav-link:focus-visible,
.nav-link:focus-visible,
.site-logo:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--color-accent-sage);
  outline-offset: 3px;
}

/* Responsive behavior */
@media (max-width: 960px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .site-header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .site-logo-wrapper {
    justify-content: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .site-header-inner {
    gap: var(--space-16);
  }

  .mobile-nav-inner {
    padding-inline: var(--space-16);
  }
}