* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

.site-header {
  background: var(--color-surface);
  border-bottom: var(--line);
  position: sticky;
  top: 0;
}

.site-header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-l);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.primary-nav,
.account-nav {
  display: flex;
  gap: var(--space-l);
  align-items: center;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  margin-right: var(--space-l);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-l);
}