#root-header {
  display: contents;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header__inner {
  width: min(100% - var(--space-6), var(--content-max));
  margin-inline: auto;
  padding-inline: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.site-logo__img {
  height: 36px;
  width: auto;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-nav__links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

@media (min-width: 880px) {
  .site-nav__links {
    display: flex;
  }
}

.site-nav__link {
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  text-decoration: none;
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.site-nav__link:hover {
  background: var(--color-bg-subtle);
  color: var(--color-ink);
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-nav__actions .btn {
  display: none;
}

@media (min-width: 880px) {
  .site-nav__actions .btn {
    display: inline-flex;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 0.2s var(--ease-spring),
    box-shadow 0.25s var(--ease-out),
    background 0.2s var(--ease-out),
    border-color 0.2s var(--ease-out);
}

.btn:active {
  transform: scale(0.98);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-line-strong);
  color: var(--color-ink);
}

.btn--ghost:hover {
  border-color: var(--color-ink);
  box-shadow: var(--shadow-sm);
}

.btn--primary {
  background: var(--color-ink);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  box-shadow: var(--shadow-md);
}

.btn--accent {
  background: linear-gradient(135deg, var(--color-accent), #ffd76a);
  color: #1a1200;
  box-shadow: var(--shadow-sm);
}

.btn--accent:hover {
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  cursor: pointer;
}

@media (min-width: 880px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
}

.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  transition: transform 0.2s var(--ease-out);
}

.nav-toggle__bar::before {
  top: -6px;
}

.nav-toggle__bar::after {
  top: 6px;
}

.site-nav.is-open .nav-toggle__bar {
  background: transparent;
}

.site-nav.is-open .nav-toggle__bar::before {
  transform: translateY(6px) rotate(45deg);
}

.site-nav.is-open .nav-toggle__bar::after {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-panel {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-bg);
  padding: var(--space-6);
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--color-line);
  overflow-y: auto;
  z-index: 45;
}

.mobile-panel.is-open {
  display: flex;
}

@media (min-width: 880px) {
  .mobile-panel {
    display: none !important;
  }
}

.mobile-panel__link {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  color: var(--color-ink);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-line);
}