/* ===== Header Component Styles ===== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-sage-linen);
  border-bottom: 1px solid var(--color-mist-gray);
  box-shadow: 0 2px 4px rgba(28, 25, 23, 0.04);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: var(--container-main);
  margin-inline: auto;
  padding: var(--space-sm) var(--space-md);
  min-height: 72px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--color-deep-forest);
  flex-shrink: 0;
  min-width: 0;
}

.site-header__brand:hover {
  color: var(--color-emerald-sage);
}

.site-header__logo {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 0;
  background: none;
  filter: none;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--color-mist-gray);
  border-radius: var(--radius-small);
  cursor: pointer;
  transition: border-color var(--transition-color), background-color var(--transition-color);
  flex-shrink: 0;
}

.nav-toggle:hover {
  border-color: var(--color-emerald-sage);
  background-color: var(--color-warm-sand);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-emerald-sage);
  outline-offset: 2px;
}

.nav-toggle__line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-deep-forest);
  border-radius: 1px;
  transition: transform var(--transition-color), opacity var(--transition-color);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  opacity: 0;
}

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

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
  flex-shrink: 1;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  list-style: none !important;
  margin: 0;
  padding: 0;
}

.site-nav__item {
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

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

.site-nav__link {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-body-size);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-deep-forest);
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-small);
  transition: color var(--transition-color), background-color var(--transition-color);
}

.site-nav__link:hover {
  color: var(--color-emerald-sage);
  background-color: var(--color-warm-sand);
}

.site-nav__link:focus-visible {
  outline: 2px solid var(--color-emerald-sage);
  outline-offset: 2px;
}

/* Mobile Menu */
@media (max-width: 900px) {
  .site-header__inner {
    flex-wrap: wrap;
    padding: var(--space-sm);
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    max-height: calc(100vh - 100%);
    overflow-y: auto;
    background-color: var(--color-sage-linen);
    border-bottom: 1px solid var(--color-mist-gray);
    box-shadow: var(--shadow-soft);
    padding: var(--space-sm);
    display: none;
    flex-direction: column;
    align-items: stretch;
    z-index: 999;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-nav__item {
    width: 100%;
  }

  .site-nav__link {
    display: block;
    width: 100%;
    padding: var(--space-sm);
    font-size: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-mist-gray);
  }

  .site-nav__link:last-child {
    border-bottom: none;
  }
}

@media (max-width: 480px) {
  .site-header__logo {
    width: 36px;
    height: 36px;
  }

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

  .site-header__inner {
    min-height: 56px;
  }
}