.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,12,0.72);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--rim);
}
.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 18px 48px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
}
.topbar-brand { display: flex; flex-direction: column; gap: 2px; }
.topbar-brand .mark {
  font-family: var(--ff);
  font-weight: 600;
  font-size: 18px;
  color: var(--t1);
  letter-spacing: -0.01em;
}
.topbar-brand .mark .dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--p400);
  margin-right: 8px;
  vertical-align: 2px;
  box-shadow: 0 0 8px rgba(155,140,240,0.6);
}
.topbar-brand .sub {
  font-family: var(--ff-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--t3);
  text-transform: uppercase;
}

.topbar-nav {
  display: flex;
  gap: 32px;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.topbar-nav > a,
.topbar-nav > .nav-item {
  color: var(--t2);
  text-decoration: none;
  transition: color 0.2s ease;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 0;
  cursor: pointer;
}
.topbar-nav > a:hover,
.topbar-nav > .nav-item:hover > .nav-trigger { color: var(--t1); }
.topbar-nav .nav-trigger {
  color: var(--t2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color 0.2s ease;
}
.topbar-nav .nav-trigger .caret {
  font-family: var(--ff);
  font-size: 9px;
  color: var(--t3);
  transition: transform 0.2s ease, color 0.2s ease;
}
.topbar-nav .nav-item:hover .nav-trigger .caret,
.topbar-nav .nav-item.open .nav-trigger .caret {
  color: var(--p400);
  transform: rotate(180deg);
}

/* DROPDOWN MENU */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 340px;
  background: var(--surface);
  border: 1px solid var(--rim2);
  border-radius: 4px;
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 200;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4),
              0 0 0 1px rgba(124,111,206,0.08);
}
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -16px; left: 0; right: 0; height: 16px;
}
.nav-dropdown::after {
  content: '';
  position: absolute;
  top: -1px; left: 50%;
  transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--p400), transparent);
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown,
.nav-item.open .nav-dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 3px;
  text-decoration: none;
  transition: background 0.18s ease;
  color: var(--t1);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}
.dropdown-item:hover {
  background: rgba(124,111,206,0.06);
}
.dropdown-item .num {
  font-family: var(--ff-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--p400);
  background: var(--p900);
  padding: 5px 8px;
  border-radius: 2px;
  min-width: 36px;
  text-align: center;
  text-transform: uppercase;
}
.dropdown-item .info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dropdown-item .name {
  font-family: var(--ff);
  font-size: 13px;
  font-weight: 500;
  color: var(--t1);
  letter-spacing: -0.005em;
  text-transform: none;
}
.dropdown-item .desc {
  font-family: var(--ff-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--t3);
  text-transform: none;
}
.dropdown-item .arrow {
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--t3);
  transition: transform 0.18s ease, color 0.18s ease;
}
.dropdown-item:hover .arrow {
  color: var(--p400);
  transform: translateX(3px);
}
.dropdown-divider {
  height: 1px;
  background: var(--rim);
  margin: 6px 8px;
}
.dropdown-overview {
  background: rgba(124,111,206,0.04);
}
.dropdown-overview .num { background: var(--p700); color: var(--p100); }
.dropdown-overview .name { color: var(--p200); }

.topbar-status {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.topbar-cta {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t1);
  text-decoration: none;
  background: var(--p700);
  border: 1px solid var(--p600);
  padding: 10px 18px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}
.topbar-cta:hover {
  background: var(--p600);
  border-color: var(--p500);
  transform: translateY(-1px);
}
.topbar-cta .arrow { font-family: var(--ff); font-size: 13px; }

/* Mobile: hide desktop nav at ≤1024px (drawer takes over via topbar-mobile.css) */
@media (max-width: 1024px) {
  .topbar-nav { display: none; }
}