.site-header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--space-md);
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo img {
  max-height: 40px;
  width: auto;
}

.site-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
}

.site-nav-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

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

.site-nav a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.site-nav a:hover {
  color: var(--color-accent);
}

.site-header-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.site-header-cta:hover {
  opacity: 0.9;
  color: var(--color-white);
}

/* Burger */
.site-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.site-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-base);
}

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

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

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

/* Mobile menu */
.site-mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background-color: var(--color-background);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md);
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 99;
  max-height: calc(100vh - 72px);
  overflow-y: auto;
}

.site-mobile-menu[hidden] {
  display: none;
}

.site-mobile-menu:not([hidden]) {
  display: flex;
}

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

.site-mobile-nav a {
  display: block;
  padding: var(--space-sm) 0;
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

.site-mobile-cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 14px 20px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  margin-top: var(--space-sm);
}

@media (max-width: 768px) {
  .site-nav-wrapper {
    display: none;
  }

  .site-burger {
    display: flex;
  }
}