/* Header layout and branding for Windoryxa */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  backdrop-filter: blur(10px);
  background-color: rgba(246, 247, 248, 0.92);
  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);
}

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-gray-900);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 500;
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 40%, var(--color-accent-wood) 100%);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.site-header__logo-mark::before,
.site-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 8px;
  border: 2px solid rgba(255, 255, 255, 0.7);
}

.site-header__logo-mark::after {
  inset: 32%;
  border-color: rgba(255, 255, 255, 0.9);
}

.site-header__logo-text {
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-wood));
  transition: width var(--transition-normal);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-gray-900);
}

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

.site-header__nav-item--accent .site-header__nav-link--button {
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(47, 111, 174, 0.3);
  background-color: var(--color-surface);
  color: var(--color-primary-strong);
  box-shadow: var(--shadow-soft);
}

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

.site-header__nav-item--accent .site-header__nav-link--button:hover,
.site-header__nav-item--accent .site-header__nav-link--button:focus-visible {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(255, 255, 255, 0.9);
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 1.4rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-gray-800);
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
}

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

/* Mobile menu state */
.site-header--menu-open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 768px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset: 3.5rem 0 auto 0;
    z-index: 39;
    pointer-events: none;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin: 0 var(--space-4);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), opacity var(--transition-normal), transform var(--transition-normal);
    transform: translateY(-0.5rem);
    opacity: 0;
  }

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

  .site-header__nav-link,
  .site-header__nav-item--accent .site-header__nav-link--button {
    width: 100%;
    justify-content: flex-start;
    padding-block: 0.75rem;
  }

  .site-header__nav-item--accent .site-header__nav-link--button {
    justify-content: center;
    margin-top: 0.5rem;
  }

  .site-header--menu-open .site-header__nav {
    pointer-events: auto;
  }

  .site-header--menu-open .site-header__nav-list {
    max-height: 320px;
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 769px) {
  .site-header__nav {
    position: static;
  }
}