/* Header component styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--ink-900);
  border-bottom: 1px solid var(--line-600);
  box-shadow: var(--shadow-header);
  height: var(--header-height-desktop);
}

.site-header__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-desktop);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-100);
  flex-shrink: 0;
  min-width: 0;
}

.site-header__brand:hover {
  color: var(--text-100);
}

.site-header__logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
  flex-shrink: 0;
}

.site-header__toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-100);
  border-radius: 1px;
  transition: transform 200ms ease-out, opacity 200ms ease-out;
}

.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__nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
  flex-shrink: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-header__nav-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  color: var(--text-300);
  text-decoration: none;
  padding: var(--space-2) 0;
  transition: color 150ms ease-out;
  white-space: nowrap;
}

.site-header__nav-link:hover {
  color: var(--signal-amber);
}

.site-header__nav-link[aria-current="page"] {
  color: var(--text-100);
  position: relative;
}

.site-header__nav-link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--signal-amber);
}

.site-header__cta {
  flex-shrink: 0;
}

/* Mobile styles */
@media (max-width: 900px) {
  .site-header {
    height: var(--header-height-mobile);
  }

  .site-header__inner {
    gap: var(--space-3);
  }

  .site-header__brand-text {
    font-size: 15px;
  }

  .site-header__logo {
    width: 28px;
    height: 28px;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: fixed;
    top: var(--header-height-mobile);
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background-color: var(--ink-800);
    border-left: 1px solid var(--line-600);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-5);
    transform: translateX(100%);
    transition: transform 200ms ease-out;
    overflow-y: auto;
    z-index: 99;
    margin-left: 0;
  }

  .site-header__nav.is-open {
    transform: translateX(0);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-bottom: var(--space-5);
  }

  .site-header__nav-item {
    border-bottom: 1px solid var(--line-600);
  }

  .site-header__nav-link {
    display: block;
    padding: var(--space-4) var(--space-3);
    font-size: 16px;
    color: var(--text-100);
    min-height: 48px;
    line-height: 1.2;
  }

  .site-header__nav-link:hover {
    color: var(--signal-amber);
  }

  .site-header__nav-link[aria-current="page"] {
    color: var(--text-100);
  }

  .site-header__nav-link[aria-current="page"]::after {
    display: none;
  }

  .site-header__cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 360px) {
  .site-header__brand-text {
    display: none;
  }
}