/* Header component styles */
.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-porcelain);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 64px;
  padding-block: var(--space-sm);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-volcanic-slate);
  flex-shrink: 0;
}

.site-header__brand:hover {
  text-decoration: none;
  color: var(--color-volcanic-slate);
}

.site-header__logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  white-space: nowrap;
}

.site-header__nav {
  display: none;
}

.site-header__nav-close {
  display: none;
}

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

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

.site-header__nav-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-volcanic-slate);
  text-decoration: none;
  padding-block: var(--space-xs);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.site-header__nav-link:hover {
  color: var(--color-lichen-deep);
  text-decoration: underline;
  text-decoration-color: var(--color-lichen);
  text-underline-offset: 3px;
}

.site-header__nav-link:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

.site-header__actions {
  display: none;
  flex-shrink: 0;
}

.site-header__cta {
  white-space: nowrap;
}

.site-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  flex-shrink: 0;
}

.site-header__toggle:hover {
  background-color: var(--color-oat);
  border-color: var(--color-slate-soft);
}

.site-header__toggle:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-volcanic-slate);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  position: relative;
}

.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-header__toggle-icon::before {
  top: -6px;
}

.site-header__toggle-icon::after {
  top: 6px;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon {
  background-color: transparent;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile navigation panel */
@media (max-width: 1023px) {
  .site-header__nav {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    max-width: 100%;
    background-color: var(--color-porcelain);
    box-shadow: var(--shadow-soft);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 1001;
    overflow-y: auto;
    padding: var(--space-lg);
    visibility: hidden;
  }

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

  .site-header__nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: 0 0 var(--space-lg) auto;
    padding: 0;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--color-volcanic-slate);
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
  }

  .site-header__nav-close:hover {
    background-color: var(--color-oat);
    border-color: var(--color-slate-soft);
  }

  .site-header__nav-close:focus-visible {
    outline: var(--focus-outline);
    outline-offset: var(--focus-outline-offset);
  }

  .site-header__nav-close span,
  .site-header__nav-close span::after {
    display: block;
    width: 20px;
    height: 2px;
    background-color: currentColor;
    border-radius: 1px;
    content: "";
  }

  .site-header__nav-close span {
    position: relative;
    transform: rotate(45deg);
  }

  .site-header__nav-close span::after {
    position: absolute;
    transform: rotate(90deg);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .site-header__nav-link {
    display: block;
    padding: var(--space-md) 0;
    font-size: 16px;
    font-weight: 500;
  }

  .site-header__nav-item--contact {
    border-bottom: none;
  }
}

/* Desktop layout */
@media (min-width: 1024px) {
  .site-header__inner {
    min-height: 72px;
    padding-block: var(--space-md);
  }

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

  .site-header__brand-text {
    font-size: 20px;
  }

  .site-header__nav {
    display: block;
    flex: 1;
    margin-inline: var(--space-lg);
  }

  .site-header__nav-list {
    justify-content: center;
    gap: var(--space-lg);
  }

  .site-header__actions {
    display: block;
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__nav-close {
    display: none;
  }
}