/* Header styles for Czech Alicious */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(8, 9, 12, 0.96), rgba(8, 9, 12, 0.88));
  border-bottom: 1px solid rgba(200, 164, 90, 0.18);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.site-header__brand {
  display: flex;
  align-items: center;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0%, #F5EFE6, #C8A45A 40%, #1F4D4D 80%);
  box-shadow: 0 0 0 1px rgba(245, 239, 230, 0.3), var(--shadow-soft);
}

.site-header__logo-text {
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* Navigation */

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 239, 230, 0.86);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-heading), var(--color-primary));
  transition: width var(--transition-normal);
}

.site-header__nav-link:focus-visible::after,
.site-header__nav-link:hover::after {
  width: 100%;
}

.site-header__nav-item--cta {
  margin-left: 8px;
}

.site-header__nav-cta {
  padding-inline: 20px;
}

/* Mobile toggle */

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: radial-gradient(circle at 30% 0%, rgba(200, 164, 90, 0.4), rgba(14, 15, 18, 0.96));
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 18px;
  height: 1.5px;
  border-radius: 999px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.site-header__toggle-bar + .site-header__toggle-bar {
  margin-top: 5px;
}

/* Mobile layout */

@media (max-width: 768px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset: 60px 0 auto 0;
    background: rgba(8, 9, 12, 0.98);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(200, 164, 90, 0.18);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 16px var(--space-6) 20px;
  }

  .site-header__nav-item--cta {
    width: 100%;
    margin-left: 0;
    margin-top: 8px;
  }

  .site-header__nav-cta {
    width: 100%;
    justify-content: center;
  }

  .site-header--menu-open .site-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-header--menu-open .site-header__toggle-bar:first-child {
    transform: translateY(3.75px) rotate(45deg);
  }

  .site-header--menu-open .site-header__toggle-bar:last-child {
    transform: translateY(-3.75px) rotate(-45deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .site-header__nav,
  .site-header__toggle-bar {
    transition: none !important;
  }
}