/* ==========================================================================
   SHARED HUD NAVIGATION (hud-nav.css)
   Used by the Tech Advisory page. Mirrors the header, section rail, drawer,
   and audio dock styles in ai.css so all three advisory pages match.
   Sovereign tokens only. Zero emdashes. Australian English.
   ========================================================================== */

:root {
  --hud-green: #34d399;
  --hud-border: rgb(var(--fg-rgb) / 0.08);
  --hud-border-hover: rgb(var(--fg-rgb) / 0.16);
}

/* --------------------------------------------------------------------------
   HUD TOP BAR & NAVIGATION
   -------------------------------------------------------------------------- */
.ai-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgb(var(--ink-rgb) / 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hud-border);
  z-index: 1000;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 20px;
}

.ai-brand-unit {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  flex-shrink: 0;
}

.ai-brand-logo {
  height: 34px;
  width: auto;
}

.ai-brand-divider {
  width: 1px;
  height: 32px;
  background: rgb(var(--fg-rgb) / 0.24);
}

.ai-brand-tagline {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper);
  line-height: 1.3;
}

.ai-telemetry-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
}

.telemetry-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgb(var(--fg-rgb) / 0.03);
  border: 1px solid var(--hud-border);
  border-radius: 4px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.telemetry-pill.live {
  color: var(--hud-green);
  border-color: rgb(var(--green-rgb) / 0.3);
  background: rgb(var(--green-rgb) / 0.06);
}

.telemetry-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hud-green);
  animation: telemetryPulse 2s infinite ease-in-out;
}

@keyframes telemetryPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

.ai-nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ai-nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-nav-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-nav-link:hover {
  color: var(--paper);
  background: rgb(var(--fg-rgb) / 0.05);
}

.ai-nav-link.active {
  color: var(--gold-text);
  background: rgb(var(--gold-rgb) / 0.08);
  border: 1px solid rgb(var(--gold-rgb) / 0.25);
  font-weight: 600;
}

.ai-audio-toggle {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--hud-border);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-audio-toggle:hover {
  border-color: var(--hud-border-hover);
  color: var(--paper);
}

.ai-audio-toggle.active {
  color: var(--gold-text);
  border-color: var(--gold);
  background: rgb(var(--gold-rgb) / 0.08);
}

.ai-hud-cta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--on-accent);
  background: var(--gold);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 4px;
  letter-spacing: 0.06em;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-hud-cta:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

.ai-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--hud-border);
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-hamburger:hover {
  border-color: var(--hud-border-hover);
}

.hamburger-bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--paper);
  border-radius: 1px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center;
}

.ai-hamburger.open .hamburger-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.ai-hamburger.open .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.ai-hamburger.open .hamburger-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.ai-nav-links.mobile-open {
  display: flex !important;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  flex-direction: column;
  background: rgb(var(--ink-rgb) / 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--hud-border);
  padding: 16px 24px 24px;
  gap: 4px;
  z-index: 999;
  animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-nav-links.mobile-open .ai-nav-link {
  padding: 12px 16px;
  font-size: 14px;
  border-radius: 6px;
}

.ai-nav-links.mobile-open .ai-nav-link:hover {
  background: rgb(var(--fg-rgb) / 0.04);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   NAVIGATION SYSTEM V2 (shared by /ai and /ai/blueprint)
   Three-zone header, transparent section rail, mobile drawer, audio dock.
   ========================================================================== */
.ai-header {
  height: 72px;
  background: rgb(var(--ink-rgb) / 0.64);
  border-bottom: 1px solid rgb(var(--fg-rgb) / 0.06);
}

.ai-header.is-scrolled {
  background: rgb(var(--ink-rgb) / 0.92);
  border-bottom-color: rgb(var(--fg-rgb) / 0.1);
  box-shadow: 0 10px 32px rgb(var(--shade-rgb) / calc(0.32 * var(--shade-k)));
}

.ai-header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.ai-header-inner > .ai-brand-unit {
  justify-self: start;
}

.ai-header-inner > .ai-nav-links {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: rgb(var(--fg-rgb) / 0.03);
  border: 1px solid rgb(var(--fg-rgb) / 0.08);
  border-radius: 8px;
}

.ai-header-inner > .ai-nav-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-header .ai-nav-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted);
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  white-space: nowrap;
}

.ai-header .ai-nav-link:hover {
  color: var(--paper);
  background: rgb(var(--fg-rgb) / 0.05);
}

.ai-header .ai-nav-link.active,
.ai-header .ai-nav-link[aria-current="page"] {
  color: var(--paper);
  background: rgb(var(--gold-rgb) / 0.1);
  border-color: rgb(var(--gold-rgb) / 0.35);
  font-weight: 500;
}

.ai-header .ai-hud-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 11px 20px;
  border-radius: 6px;
  white-space: nowrap;
}

.ai-header .ai-nav-link:focus-visible,
.ai-header .ai-hud-cta:focus-visible,
.ai-hamburger:focus-visible,
.ai-rail a:focus-visible,
.ai-rail button:focus-visible,
.ai-audio-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* Hero status strip (telemetry moved out of the header) */
.ai-status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
}

.ai-status-strip .telemetry-pill {
  padding: 5px 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

/* Breadcrumb (sub-pages) */
.ai-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
}

.ai-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-breadcrumb a:hover {
  color: var(--gold-text);
}

.ai-breadcrumb [aria-current="page"] {
  color: var(--gold-text);
}

.ai-breadcrumb-sep {
  color: rgb(var(--fg-rgb) / 0.2);
}

/* --------------------------------------------------------------------------
   TRANSPARENT SECTION RAIL (quick up and down page navigation)
   -------------------------------------------------------------------------- */
.ai-rail {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-rail.is-ready {
  opacity: 1;
  pointer-events: auto;
}

.ai-rail-btn {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--muted);
  background: rgb(var(--ink-rgb) / 0.4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgb(var(--fg-rgb) / 0.08);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-rail-btn:hover:not(:disabled) {
  color: var(--gold-text);
  border-color: rgb(var(--gold-rgb) / 0.45);
  background: rgb(var(--ink-rgb) / 0.8);
}

.ai-rail-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.ai-rail-track {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  width: 32px;
  background: rgb(var(--ink-rgb) / 0.32);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgb(var(--fg-rgb) / 0.08);
  border-radius: 999px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-rail:hover .ai-rail-track {
  background: rgb(var(--ink-rgb) / 0.6);
  border-color: rgb(var(--fg-rgb) / 0.14);
}

.ai-rail-line,
.ai-rail-progress {
  position: absolute;
  left: 50%;
  top: 22px;
  bottom: 22px;
  width: 1px;
  transform: translateX(-50%);
  pointer-events: none;
}

.ai-rail-line {
  background: rgb(var(--fg-rgb) / 0.1);
}

.ai-rail-progress {
  background: linear-gradient(180deg, var(--gold), var(--blue));
  transform-origin: top center;
  transform: translateX(-50%) scaleY(0);
}

.ai-rail-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 12px;
  text-decoration: none;
}

/* Extends the hover target leftwards so labels stay reachable */
.ai-rail-link::before {
  content: '';
  position: absolute;
  right: 0;
  top: -6px;
  width: 32px;
  height: 24px;
}

.ai-rail:hover .ai-rail-link::before {
  width: 240px;
}

.ai-rail-pip {
  position: relative;
  z-index: 1;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid rgb(var(--fg-rgb) / 0.35);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-rail-link.is-passed .ai-rail-pip {
  border-color: rgb(var(--gold-rgb) / 0.6);
}

.ai-rail-link:hover .ai-rail-pip {
  border-color: var(--gold);
  transform: scale(1.3);
}

.ai-rail-link.is-active .ai-rail-pip {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 10px rgb(var(--gold-rgb) / 0.7);
  transform: scale(1.35);
}

.ai-rail-label {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--muted);
  background: rgb(var(--ink-rgb) / 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgb(var(--fg-rgb) / 0.08);
  border-radius: 6px;
  opacity: 0;
  transform: translate(6px, -50%);
  pointer-events: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-rail-index {
  color: rgb(var(--fg-rgb) / 0.35);
}

.ai-rail:hover .ai-rail-label,
.ai-rail:focus-within .ai-rail-label {
  opacity: 0.85;
  transform: translate(0, -50%);
  pointer-events: auto;
}

.ai-rail-link:hover .ai-rail-label,
.ai-rail-link:focus-visible .ai-rail-label {
  opacity: 1;
  color: var(--paper);
  border-color: rgb(var(--gold-rgb) / 0.45);
}

.ai-rail-link.is-active .ai-rail-label {
  color: var(--gold-text);
}

.ai-rail-link.is-active .ai-rail-index {
  color: var(--gold-text);
}

.ai-rail-meter {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--muted);
  padding-top: 2px;
}

.ai-rail-meter strong {
  color: var(--gold-text);
  font-weight: 500;
}

/* Keep content clear of the rail on mid-size desktops */
@media (min-width: 1101px) and (max-width: 1520px) {
  .ai-container {
    padding-left: 64px;
    padding-right: 64px;
  }
}

@media (max-width: 1100px) {
  .ai-rail {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   AUDIO DOCK (moved out of the header)
   -------------------------------------------------------------------------- */
.ai-audio-dock {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 900;
}

.ai-audio-dock .ai-audio-toggle {
  font-size: 10px;
  letter-spacing: 1.2px;
  padding: 8px 12px;
  border-radius: 6px;
  background: rgb(var(--ink-rgb) / 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* --------------------------------------------------------------------------
   MOBILE DRAWER
   -------------------------------------------------------------------------- */
.ai-drawer-extra {
  display: none;
}

@media (max-width: 900px) {
  .ai-header-inner {
    display: flex;
    justify-content: space-between;
    padding: 0 16px;
  }

  .ai-header-inner > .ai-nav-links {
    display: none;
  }

  .ai-hamburger {
    display: flex;
  }

  .ai-header .ai-hud-cta {
    display: none;
  }

  .ai-audio-dock {
    display: none;
  }

  .ai-header-inner > .ai-nav-links.mobile-open {
    display: flex !important;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 20px 20px 32px;
    overflow-y: auto;
    background: rgb(var(--ink-rgb) / 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: none;
    border-top: 1px solid rgb(var(--fg-rgb) / 0.08);
    border-radius: 0;
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .ai-header-inner > .ai-nav-links.mobile-open .ai-nav-link {
    font-size: 12px;
    padding: 14px 16px;
    border-radius: 6px;
  }

  .ai-nav-links.mobile-open .ai-drawer-extra {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgb(var(--fg-rgb) / 0.08);
  }

  .ai-drawer-title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10px;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    color: var(--gold-text);
    padding: 0 16px 8px;
  }

  .ai-header .ai-drawer-extra .ai-nav-link {
    display: flex;
    gap: 12px;
    font-size: 12px;
    padding: 10px 16px;
    letter-spacing: 1px;
  }

  .ai-drawer-extra .ai-nav-link .ai-rail-index {
    color: rgb(var(--fg-rgb) / 0.3);
  }

  .ai-header .ai-drawer-extra .ai-hud-cta {
    display: flex;
    justify-content: center;
    margin-top: 16px;
    padding: 14px 20px;
  }

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

.ai-status-ok {
  color: var(--hud-green);
}

/* Tech page specifics */
.ai-audio-dock .tech-audio-toggle {
  font-size: 10px;
  letter-spacing: 1.2px;
  padding: 8px 12px;
  border-radius: 6px;
  background: rgb(var(--ink-rgb) / 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (min-width: 1101px) and (max-width: 1520px) {
  .tech-container {
    padding-left: 64px;
    padding-right: 64px;
  }
}

@media (max-width: 900px) {
  .ai-audio-dock {
    display: none;
  }
}