/* Header-specific styles for Vltavora */

.vlt-header {
  background: rgba(249, 250, 251, 0.9);
}

.vlt-header__inner {
  position: relative;
}

.vlt-header__logo {
  text-align: center;
}

.vlt-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.vlt-header__brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0%, #93c5fd, transparent 60%),
              linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: var(--shadow-soft);
}

.vlt-header__brand-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.vlt-header__nav {
  gap: var(--space-6);
}

.vlt-header__link {
  font-weight: 500;
}

/* Mobile menu toggle */
.vlt-header__menu-toggle {
  display: none;
  position: relative;
  justify-self: end;
  align-items: center;
  gap: 0.5rem;
  padding-inline: 0.9rem;
  padding-block: 0.45rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background-color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  cursor: pointer;
}

.vlt-header__menu-icon {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  position: relative;
  transition: transform var(--transition-normal), background-color var(--transition-normal);
}

.vlt-header__menu-icon::before,
.vlt-header__menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal);
}

.vlt-header__menu-icon::before {
  top: -5px;
}

.vlt-header__menu-icon::after {
  bottom: -5px;
}

.vlt-header__menu-toggle[aria-expanded="true"] .vlt-header__menu-icon {
  background-color: transparent;
}

.vlt-header__menu-toggle[aria-expanded="true"] .vlt-header__menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.vlt-header__menu-toggle[aria-expanded="true"] .vlt-header__menu-icon::after {
  bottom: 0;
  transform: rotate(-45deg);
}

.vlt-header__menu-label {
  font-weight: 500;
}

/* Mobile navigation panel */
.vlt-header__mobile {
  position: fixed;
  inset-inline: 0;
  top: var(--header-height);
  background: rgba(15, 23, 42, 0.96);
  color: #e5e7eb;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.4);
  transform-origin: top;
  transform: scaleY(0.96);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
}

.vlt-header__mobile--open {
  opacity: 1;
  visibility: visible;
  transform: scaleY(1);
}

.vlt-header__mobile-nav {
  padding: var(--space-4) var(--space-4) var(--space-6);
}

.vlt-header__mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.vlt-header__mobile-link {
  display: block;
  padding: 0.75rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: #e5e7eb;
}

.vlt-header__mobile-link:hover,
.vlt-header__mobile-link:focus-visible {
  background: rgba(37, 99, 235, 0.25);
}

.vlt-header__mobile-link--primary {
  margin-top: 0.25rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff;
  text-align: center;
}

.vlt-header__mobile-link--primary:hover,
.vlt-header__mobile-link--primary:focus-visible {
  background: linear-gradient(135deg, var(--color-primary-strong), var(--color-primary));
}

/* Responsive behavior */
@media (max-width: 767.98px) {
  .site-header__nav-left,
  .site-header__nav-right {
    display: none;
  }

  .vlt-header__menu-toggle {
    display: inline-flex;
  }
}

@media (min-width: 768px) {
  .vlt-header__mobile {
    display: none;
  }
}