/* Header styles for Svitora CZ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

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

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

.site-header__logo-link::after {
  /* disable global underline animation in logo */
  display: none;
}

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, var(--color-accent-gold), #b8860b);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.site-header__logo-icon {
  color: #fff;
  font-size: 1.1rem;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.site-header__brand-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Navigation */

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__nav-link {
  position: relative;
  padding: 0.4rem 0.1rem;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary);
}

.site-header__nav-link::after {
  /* rely on base animated underline */
}

.site-header__nav-item--accent .site-header__nav-link--button {
  border-radius: var(--radius-pill);
  padding: 0.55rem 1.2rem;
  border: 1px solid rgba(212, 175, 55, 0.7);
  background: radial-gradient(circle at 0 0, rgba(212,175,55,0.2), transparent 60%), #ffffff;
  box-shadow: var(--shadow-xs);
}

.site-header__nav-item--accent .site-header__nav-link--button::after {
  display: none;
}

.site-header__nav-item--accent .site-header__nav-link--button:hover {
  background: linear-gradient(135deg, var(--color-accent-gold), #f5d88c);
  color: #1b1b1b;
  box-shadow: var(--shadow-sm);
}

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

.site-header__badge {
  font-size: var(--text-2xs, 0.7rem);
}

/* Mobile toggle */

.site-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background-color: #ffffff;
  padding: 0;
  gap: 4px;
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 3px;
}

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

/* Toggle animation when menu is open */
.site-header--menu-open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

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

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

/* Mobile layout */

@media (max-width: 767.98px) {
  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border-subtle);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--container-gutter) var(--space-6);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .site-header--menu-open .site-header__nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .site-header__nav-item--accent {
    width: 100%;
  }

  .site-header__nav-item--accent .site-header__nav-link--button {
    display: inline-flex;
    width: auto;
  }

  .site-header__badges {
    margin-top: var(--space-4);
  }
}

/* Desktop layout */

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

  .site-header__nav {
    position: static;
  }
}