/* Header-specific styles for Wonderstar s. r. o. */

.rfv-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

/* Brand / logo */
.rfv-header__brand {
  display: flex;
  align-items: center;
}

.rfv-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.rfv-header__logo-mark {
  position: relative;
  width: 40px;
  height: 40px;
}

.rfv-header__logo-card {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}

.rfv-header__logo-card--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-copper));
  transform: rotate(-8deg);
}

.rfv-header__logo-card--secondary {
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-primary-soft));
  transform: rotate(10deg) translate(6px, -4px);
  opacity: 0.9;
}

.rfv-header__logo-text {
  display: flex;
  flex-direction: column;
}

.rfv-header__logo-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rfv-header__logo-tagline {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}

/* Announcement bar */
.announcement-bar__text {
  font-size: var(--font-size-sm);
}

.announcement-bar__cta {
  white-space: nowrap;
}

@media (max-width: 767px) {
  .announcement-bar__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .announcement-bar__cta {
    width: 100%;
    justify-content: center;
  }
}

/* Navigation layout */
.rfv-header__nav {
  margin-left: auto;
}

.rfv-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.rfv-header__nav-item {
  position: relative;
}

.rfv-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.rfv-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-copper));
  transition: width var(--transition-base);
}

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

.rfv-header__nav-link--button {
  background: none;
  border: none;
  cursor: pointer;
}

.rfv-header__nav-icon {
  font-size: 0.65rem;
}

/* Mega menu */
.rfv-header__mega {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  min-width: 270px;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(247, 243, 235, 0.98));
  box-shadow: var(--shadow-glass);
  border: 1px solid rgba(255, 255, 255, 0.9);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
}

.rfv-header__mega-column + .rfv-header__mega-column {
  margin-top: var(--space-3);
}

.rfv-header__mega-eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.rfv-header__mega-link {
  display: block;
  font-size: var(--font-size-sm);
  padding: 0.2rem 0;
  color: var(--color-text-soft);
}

.rfv-header__mega-link:hover {
  color: var(--color-accent-copper);
}

.rfv-header__nav-item--mega[aria-expanded="true"] .rfv-header__mega,
.rfv-header__nav-item--mega .rfv-header__mega--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (min-width: 1024px) {
  .rfv-header__nav-item--mega:hover .rfv-header__mega {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* CTA group */
.rfv-header__cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-6);
}

.rfv-header__cta-secondary {
  font-size: var(--font-size-xs);
}

.rfv-header__cta-primary {
  font-size: var(--font-size-xs);
}

/* Mobile nav toggle */
.rfv-header__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(255, 255, 255, 0.9);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.rfv-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.rfv-header__toggle--open .rfv-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.rfv-header__toggle--open .rfv-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.rfv-header__toggle--open .rfv-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile menu & overlay */
.rfv-header__overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 39;
}

.rfv-header__overlay--visible {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 1023px) {
  .rfv-header__nav {
    position: fixed;
    inset: calc(var(--header-height) + 40px) var(--space-4) auto var(--space-4);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(247, 243, 235, 0.98));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
    z-index: 40;
  }

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

  .rfv-header__nav-item--mega {
    width: 100%;
  }

  .rfv-header__mega {
    position: static;
    margin-top: var(--space-2);
    box-shadow: none;
    border-radius: var(--radius-md);
  }

  .rfv-header__mega-column + .rfv-header__mega-column {
    margin-top: var(--space-2);
  }

  .rfv-header__cta-group {
    display: none;
  }

  .rfv-header__toggle {
    display: inline-flex;
    margin-left: auto;
  }

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

@media (min-width: 1024px) {
  .rfv-header__overlay {
    display: none;
  }
}

/* Focus states inside header */
.rfv-header a:focus-visible,
.rfv-header button:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 3px;
}