[data-mm-header] {
  --mm-bg: #ffffff;
  --mm-text: #333333;
  --mm-primary: #1c1f22;
  --mm-overlay-bg: rgba(21, 23, 25, 0.55);
}

.l-topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: 64px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(1.2) blur(6px);
  border-bottom: 1px solid var(--line);
}

.topbar-row {
  width: min(94%, 1440px);
  margin-inline: auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.brand img {
  height: 2rem;
  width: auto;
}
.brand-word {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink-deep);
}

.nav-item {
  font-size: .95rem;
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
}
[data-mm-menu] ul li a.nav-item:hover { color: var(--ink-deep); }

.topbar-call {
  margin-left: auto;
  display: none;
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink-deep);
  text-decoration: none;
  white-space: nowrap;
}
.topbar-call:hover { text-decoration: underline; }

[data-mm-toggle] { margin-left: auto; }

@media (min-width: 768px) {
  [data-mm-menu] { margin-left: auto; }
  [data-mm-menu] ul li a.nav-item {
    padding: 8px 14px;
    border-bottom: 2px solid transparent;
    transition: border-color .2s ease;
  }
  [data-mm-menu] ul li a.nav-item:hover { border-bottom-color: var(--ink-deep); }
}

@media (min-width: 1024px) {
  .topbar-call { display: inline-block; margin-left: 24px; }
}