@layer components {
.nav-overlay {
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  width: 100%;
  height: calc(100vh - 64px);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 900;
}

body.nav-flyout-open .nav-overlay {
  opacity: 1;
}

body.nav-drawer-open {
  overflow: hidden;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;

  height: var(--navbar-h);
  background-color: rgba(5, 7, 13, 0.188);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.4s ease;
}

.navbar.navbar--hidden {
  transform: translateY(-100%);
}

.navbar.navbar--scrolled {
  background-color: rgba(5, 7, 13, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

@media (min-width: 1024px) {
  .navbar.navbar--scrolled {
    background-color: rgba(5, 7, 13, 0.188);
    border-bottom-color: transparent;
  }
  .navbar::before {
    content: '';
    position: absolute;
    inset: 0 0 -1px;
    z-index: -1;
    pointer-events: none;
    background-color: rgba(5, 7, 13, 0.5074);
    box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.04);
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  .navbar.navbar--scrolled::before { opacity: 1; }
  .navbar.navbar--scrolled.is-flyout-open { border-bottom-color: rgba(255, 255, 255, 0.04); }
  .navbar.is-flyout-open::before { opacity: 0; }
}

.navbar::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.05) 30%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 70%, transparent 100%);
  pointer-events: none;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar-lead {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar-brand {

  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text-primary);

  display: inline-flex;
  align-items: center;

  gap: 6px;
}

.navbar-brand-mark {
  width: 30px;
  height: 30px;
  flex: none;
  display: block;
}

.navbar-nav {
  display: flex;
  gap: 26px;
  height: 100%;
  align-items: center;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  background: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;

  padding: 8px 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.chevron {
  transition: transform 0.2s ease;
  opacity: 0.7;
}

.nav-flyout {
  position: absolute;
  top: 100%;

  left: max(var(--gutter), calc(50% - var(--container-max) / 2 + var(--gutter)));
  right: max(var(--gutter), calc(50% - var(--container-max) / 2 + var(--gutter)));
  padding-top: 10px;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0s linear 0.18s;
  z-index: 1100;
}

.nav-flyout.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity 0.18s ease, visibility 0s linear 0s;
}

.nav-flyout-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  box-shadow: 0 32px 64px -16px rgba(0, 0, 0, 0.72), 0 0 0 1px rgba(0, 0, 0, 0.4);
}

.nav-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 46%;
  align-items: stretch;
  gap: 0;
  padding: 0;
}

.nav-panel[hidden] { display: none; }

.nav-panel.is-leaving {
  position: absolute;
  inset: 0;
}

.nav-panel.is-leaving { opacity: 0; transition: opacity 0.14s ease; }
.nav-panel.is-entering { opacity: 1; transition: opacity 0.18s ease 0.04s; }

.nav-panel-links {
  display: grid;
  grid-template-columns: repeat(var(--cols, 2), minmax(0, 1fr));
  gap: var(--space-5) var(--space-6);
  align-content: start;
  padding: var(--space-6);
}

.nav-panel-links--cols-1 { --cols: 1; }
.nav-panel-links--cols-2 { --cols: 2; }

.nav-col {
  display: grid;
  align-content: start;
  gap: var(--space-5);
  min-width: 0;
}

.nav-panel-figure {
  display: grid;
  border-left: 1px solid var(--border-strong);
  background: var(--bg-tertiary);
  padding: var(--space-5);
  min-height: 296px;
}

.nav-figure-grid {
  display: grid;
  grid-template-columns: repeat(var(--pieces, 1), minmax(0, 1fr));
  gap: var(--space-4);
  width: 100%;
}

.nav-figure-grid--pieces-1 { --pieces: 1; }
.nav-figure-grid--pieces-2 { --pieces: 2; }

.nav-piece {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: var(--space-4);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-secondary);
  overflow: hidden;
}

.nav-art-svg {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  width: calc(100% - var(--space-4) * 2);
  height: calc(100% - var(--space-4) * 2);
}
}

@layer components {

.nav-spine { stroke: var(--border-strong); stroke-width: 1; }
.nav-spine-tip { stroke: var(--border-strong); stroke-width: 1; }
.nav-node { fill: var(--bg-secondary); stroke: var(--text-muted); stroke-width: 1.4; }
.nav-node--on { fill: var(--accent-color); stroke: var(--accent-color); }

.nav-lane { fill: none; stroke: var(--border-strong); stroke-width: 1; }
.nav-lane--ai { stroke: var(--accent-color); }
.nav-lane--brand { stroke-dasharray: 4 4; stroke: var(--text-muted); }

.nav-art-t { fill: var(--text-primary); font-family: var(--font-sans); font-size: 12px; }
.nav-art-num { fill: var(--text-primary); font-family: var(--font-sans); font-size: 15px; font-weight: 600; }
.nav-art-micro {
  fill: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 8px;
  letter-spacing: 0.08em;
}

.nav-chans {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: minmax(0, 1fr);
  gap: var(--space-2);
  width: 100%;
  align-self: stretch;
  margin: 0;
  padding: 0;
}

.nav-chan {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 9px 12px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.nav-chan:last-child { grid-column: span 2; }

.nav-chan-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success-color);
  flex: none;
}

.nav-rec {
  display: grid;
  grid-template-rows: auto;
  grid-auto-rows: minmax(0, 1fr);
  width: 100%;
  align-self: stretch;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  overflow: hidden;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.nav-rec-row {
  display: grid;
  grid-template-columns: 0.85fr 1fr 0.85fr 1.15fr 0.95fr;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 12px;
  font-size: 0.6875rem;
  color: var(--text-secondary);
}

.nav-rec-row + .nav-rec-row { border-top: 1px solid var(--border-subtle); }
.nav-rec-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-rec-row--h {
  background: rgba(255, 255, 255, 0.02);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.5625rem;
  color: var(--text-secondary);
}

.nav-rec-cat { color: var(--success-color); }

.nav-panel .link-title { font-size: 0.9375rem; }
.nav-panel .column-title { margin-bottom: var(--space-3); }

.nav-panel .dropdown-link {
  justify-content: flex-start;
  gap: var(--space-2);
  padding: 8px 12px;
  margin: 0 -12px;
}

.nav-panel .nav-col { max-width: 300px; }

.navbar.is-flyout-open .nav-link[data-menu] { color: var(--text-muted); }
.navbar.is-flyout-open .nav-link[data-menu][aria-expanded="true"] { color: var(--text-primary); }
.nav-link[data-menu][aria-expanded="true"] .chevron { transform: rotate(180deg); }

.navbar.is-flyout-open {
  background-color: var(--bg-secondary);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.nav-link:focus-visible,
.dropdown-link:focus-visible,
.mobile-nav-title:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 3px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  .nav-flyout,
  .nav-flyout-card,
  .nav-panel.is-leaving,
  .nav-panel.is-entering { transition: none !important; }
}

.column-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-weight: 600;
}

.dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px;
  margin: 0 -16px;
  border-radius: 12px;
  transition: background 0.15s ease;
  color: inherit;
  text-decoration: none;
}

.dropdown-link:hover {
  background: rgba(255, 255, 255, 0.03);
}

.link-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.link-title {
  font-size: 1.1875rem;
  font-weight: 500;
  line-height: 1.4;
  color: #F5F5F7;
  letter-spacing: -0.01em;
}

.dropdown-link:hover .link-title {
  color: #FFFFFF;
}

.link-arrow {
  font-size: 0.875rem;
  color: var(--accent-ink);
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.2s ease;
}

.dropdown-link:hover .link-arrow {
  opacity: 1;
  transform: translateX(0);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.btn-pill {
  border-radius: 99px;
  background: var(--text-primary);
  color: #000;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity 0.2s ease;
  text-decoration: none;
}

.navbar-actions .btn-pill {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0 14px;
  height: 32px;
  display: inline-flex;
  align-items: center;
}

.mobile-nav-actions .btn-pill {
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0 20px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.navbar-actions .sign-in-link {
  height: 32px;
  padding: 0;
}

.btn-pill:hover {
  opacity: 0.9;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

.mobile-menu-icon[hidden] {
  display: none;
}

.mobile-overlay-menu {
  display: none;
}
}