/* Shared site header — canonical source of truth for header/logo/favicon
   treatment across all pages. Keep page-local color variables as-is; this
   file only governs the header chrome itself. */

.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  border-radius: 4px;
}
.logo-name {
  font-family: var(--head);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1;
}
.logo-name span { color: var(--brand); text-transform: lowercase; }
.header-divider { width: 1px; height: 26px; background: var(--border); flex-shrink: 0; }
.header-project {
  font-family: var(--head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--subtext);
}

@media (max-width: 600px) {
  .header-inner { height: 50px; gap: 12px; }
  .logo-name { font-size: 17px; }
}