/* Header component styles */
.site-header {
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  width: auto;
  max-width: var(--container-max-width);
  margin-inline: auto;
  z-index: 1000;
  background: var(--surface-elevated);
  border: var(--border-subtle);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  min-height: 64px;
}

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

.site-header__nav--left {
  justify-content: flex-start;
}

.site-header__nav--right {
  justify-content: flex-end;
}

.site-header__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__item {
  margin: 0;
  padding: 0;
}

.site-header__item + .site-header__item {
  margin: 0;
}

.site-header__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-small-size);
  font-weight: 500;
  color: var(--color-silver-white);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.site-header__link:hover {
  color: var(--color-mist-blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-header__link--cta {
  background-color: var(--color-royal-blue);
  border-radius: var(--radius-small);
  padding: var(--space-xs) var(--space-md);
  color: var(--color-silver-white);
}

.site-header__link--cta:hover {
  background-color: var(--color-mist-blue);
  color: var(--color-space-void);
  text-decoration: none;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-silver-white);
  min-width: 0;
}

.site-header__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1100;
}

.site-header__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-silver-white);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header__mobile {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: var(--color-space-void);
  z-index: 999;
  overflow-y: auto;
  padding: calc(var(--space-xl) + 64px) var(--space-md) var(--space-md);
}

body.has-open-mobile-menu {
  overflow: hidden;
}

.site-header__mobile.is-open {
  display: block;
}

.site-header__mobile-nav {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.site-header__mobile-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-header__mobile-item {
  margin: 0;
  padding: 0;
}

.site-header__mobile-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-h3-size);
  font-family: var(--font-heading);
  color: var(--color-silver-white);
  text-decoration: none;
  border-radius: var(--radius-medium);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.site-header__mobile-link:hover {
  background-color: rgba(119, 141, 169, 0.15);
  color: var(--color-mist-blue);
}

@media (max-width: 1024px) {
  .site-header__nav {
    display: none;
  }

  .site-header__inner {
    grid-template-columns: 1fr auto 1fr;
  }

  .site-header__brand {
    justify-self: center;
  }

  .site-header__toggle {
    display: flex;
    justify-self: end;
  }

  .site-header__brand-text {
    display: none;
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .site-header__inner {
    padding: var(--space-xs) var(--space-sm);
    min-height: 56px;
  }

  .site-header__logo {
    width: 36px;
    height: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__toggle-line {
    transition: none;
  }

  .site-header__mobile {
    transition: none;
  }
}