/* NEXUS-Ω — AI Frontier Terminal
   Tokens map 1:1 to the design pass. */

:root {
  --void: #07090f;
  --panel: #0e131c;
  --line: #1a2433;
  --chrome: #d7e2ea;
  --dim: #6d7f90;
  --signal: #3de8ff;
  --alert: #ff4f87;
  --gold: #e0b84c;
  --font-sans: "Segoe UI", "Microsoft YaHei", "PingFang SC", "Noto Sans SC",
    system-ui, sans-serif;
  --font-mono: "Cascadia Code", "Cascadia Mono", Consolas, "Courier New",
    monospace;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --radius: 2px;
  --max: 1120px;
  --frame: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--void);
  background-image:
    linear-gradient(rgba(61, 232, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 232, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  background-attachment: fixed;
  color: var(--chrome);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
  color: inherit;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.dim {
  color: var(--dim);
}

.gold {
  color: var(--gold);
}

/* —— Overlay chrome —— */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0.12) 3px
  );
  opacity: 0.35;
  mix-blend-mode: multiply;
}

.frame {
  pointer-events: none;
  position: fixed;
  inset: var(--frame);
  z-index: 50;
  border: 1px solid rgba(61, 232, 255, 0.12);
}

.corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: var(--signal);
  border-style: solid;
  opacity: 0.7;
}

.corner.tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.corner.tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; }
.corner.bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; }
.corner.br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

/* —— Boot sequence —— */
.boot-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: var(--void);
  transition: opacity 0.55s ease, visibility 0.55s ease;
}

.boot-overlay.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-panel {
  width: min(480px, calc(100vw - 3rem));
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--space-4);
}

.boot-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.boot-brand { color: var(--signal); }
.boot-status { color: var(--dim); }

.boot-log {
  min-height: 7.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--dim);
  margin-bottom: var(--space-3);
}

.boot-log .ok { color: var(--signal); }
.boot-log .warn { color: var(--gold); }

.boot-bar {
  height: 3px;
  background: var(--line);
  overflow: hidden;
}

.boot-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--signal), var(--alert));
  transition: width 0.15s linear;
}

/* —— Status bar —— */
.status-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.75rem calc(var(--frame) + 1rem);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 9, 15, 0.92);
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.status-left,
.status-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.status-nav {
  display: flex;
  gap: 1.25rem;
}

.status-nav a {
  color: var(--dim);
  transition: color 0.2s ease;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
}

.status-nav a:hover,
.status-nav a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
  outline: none;
}

.sep {
  color: var(--line);
  opacity: 0.9;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dim);
  flex-shrink: 0;
}

.dot.live {
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* —— Layout —— */
main {
  position: relative;
  z-index: 1;
  padding: 0 calc(var(--frame) + 1.25rem) var(--space-6);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-7) 0 0;
}

.section-head {
  margin-bottom: var(--space-5);
  max-width: 40rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 var(--space-3);
}

.idx {
  color: var(--dim);
  border: 1px solid var(--line);
  padding: 0.15rem 0.45rem;
}

.tag-alert {
  color: var(--alert);
  border: 1px solid rgba(255, 79, 135, 0.45);
  padding: 0.15rem 0.45rem;
  letter-spacing: 0.14em;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.lede,
.section-desc {
  color: var(--dim);
  font-size: 1.05rem;
  max-width: 36rem;
}

.section-desc {
  margin: 0;
}

/* —— Hero —— */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-6) 0 var(--space-5);
  min-height: calc(100vh - 3.5rem);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-5);
  align-items: center;
  width: 100%;
}

.line-zh {
  display: block;
  background: linear-gradient(100deg, var(--chrome) 0%, var(--signal) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.line-sub {
  display: block;
  margin-top: 0.6rem;
  font-size: clamp(0.7rem, 1.4vw, 0.85rem);
  letter-spacing: 0.28em;
  color: var(--dim);
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: var(--space-4) 0 var(--space-5);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease,
    box-shadow 0.2s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.btn-primary {
  border-color: var(--signal);
  color: var(--void);
  background: var(--signal);
  box-shadow: 0 0 0 rgba(61, 232, 255, 0);
}

.btn-primary:hover {
  box-shadow: 0 0 20px rgba(61, 232, 255, 0.35);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-ghost {
  color: var(--chrome);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.btn-sm {
  min-height: 36px;
  padding: 0.45rem 0.85rem;
  font-size: 0.7rem;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}

.hero-meta dt {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--dim);
  margin-bottom: 0.25rem;
}

.hero-meta dd {
  margin: 0;
  font-size: 1.35rem;
  color: var(--chrome);
}

.hero-viz {
  position: relative;
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 70% 30%, rgba(61, 232, 255, 0.08), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(255, 79, 135, 0.06), transparent 45%),
    var(--panel);
  min-height: 360px;
  overflow: hidden;
}

.hero-viz canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 720 / 560;
}

.viz-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0.75rem;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--dim);
  border-top: 1px solid var(--line);
  background: rgba(7, 9, 15, 0.7);
}

/* —— Dossiers —— */
.dossier-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.dossier {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr) 6.5rem;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.dossier:hover,
.dossier:focus-visible {
  background: rgba(61, 232, 255, 0.03);
  border-bottom-color: rgba(61, 232, 255, 0.35);
  outline: none;
}

.dossier-code {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--signal);
  padding-top: 0.2rem;
}

.dossier-body p {
  margin: 0 0 var(--space-3);
  color: var(--dim);
  font-size: 0.98rem;
}

.dossier-side {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-align: right;
  color: var(--dim);
  padding-top: 0.3rem;
  white-space: nowrap;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.status-dot.signal { background: var(--signal); box-shadow: 0 0 6px var(--signal); }
.status-dot.gold { background: var(--gold); box-shadow: 0 0 6px var(--gold); }
.status-dot.alert { background: var(--alert); box-shadow: 0 0 6px var(--alert); }

.chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
}

.chips li {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--dim);
  border: 1px solid var(--line);
  padding: 0.2rem 0.5rem;
}

/* —— Spectrum —— */
.spectrum-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--space-4);
}

.spectrum-controls {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-4);
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--dim);
  min-width: 5.5rem;
}

.control strong {
  font-size: 1.1rem;
  color: var(--signal);
  font-weight: 500;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--line);
  border-radius: 0;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--signal);
  border: 2px solid var(--void);
  box-shadow: 0 0 10px rgba(61, 232, 255, 0.5);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--signal);
  border: 2px solid var(--void);
  box-shadow: 0 0 10px rgba(61, 232, 255, 0.5);
  cursor: pointer;
}

input[type="range"]:focus-visible::-webkit-slider-thumb {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.spectrum-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.bar-row {
  display: grid;
  grid-template-columns: 7.5rem 1fr 3rem;
  gap: var(--space-3);
  align-items: center;
}

.bar-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.bar-track {
  height: 10px;
  background: rgba(26, 36, 51, 0.85);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  width: 0%;
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar-fill.c1 { background: var(--signal); }
.bar-fill.c2 { background: linear-gradient(90deg, #3de8ff, #8a6bff); }
.bar-fill.c3 { background: var(--gold); }
.bar-fill.c4 { background: #2ee6a6; }
.bar-fill.c5 { background: var(--alert); }

.bar-val {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--chrome);
  text-align: right;
}

/* —— Timeline —— */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
  margin-left: 0.35rem;
}

.timeline li {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: var(--space-4);
  padding: 0 0 var(--space-5) var(--space-4);
  position: relative;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--dim);
  border: 1px solid var(--void);
}

.timeline li.now::before {
  background: var(--signal);
  box-shadow: 0 0 10px var(--signal);
}

.t-year {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--dim);
  padding-top: 0.15rem;
}

.timeline li.now .t-year {
  color: var(--signal);
}

.t-body p {
  margin: 0;
  color: var(--dim);
  font-size: 0.98rem;
}

/* —— Access form —— */
.access-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: var(--space-5);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(61, 232, 255, 0.05), transparent 40%),
    var(--panel);
  padding: var(--space-5);
}

.access-copy p:last-child {
  color: var(--dim);
  margin: 0;
}

.access-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  align-content: start;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field span {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--dim);
}

.field-full {
  grid-column: 1 / -1;
}

.field input {
  min-height: 44px;
  padding: 0.65rem 0.8rem;
  background: rgba(7, 9, 15, 0.65);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease;
}

.field input::placeholder {
  color: #4a5a6a;
}

.field input:hover {
  border-color: #2a384a;
}

.field input:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 1px rgba(61, 232, 255, 0.25);
}

.field input:user-invalid:not(:placeholder-shown) {
  border-color: var(--alert);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.form-note {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--signal);
  margin: 0;
  min-height: 1.2em;
}

.form-note.is-error {
  color: var(--alert);
}

/* —— Footer —— */
.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) calc(var(--frame) + 1.25rem) calc(var(--space-4) + var(--frame));
  border-top: 1px solid var(--line);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--chrome);
}

/* —— Reveal on scroll —— */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* —— Webgen pipeline —— */
.pipeline {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  gap: var(--space-4);
  align-items: start;
}

.pipeline-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 1px solid var(--line);
}

.pipe-step {
  position: relative;
  padding: var(--space-4) 0 var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}

.pipe-step:last-child {
  border-bottom: none;
}

.pipe-step:hover {
  background: rgba(61, 232, 255, 0.03);
}

.pipe-step::before {
  content: attr(data-step);
  position: absolute;
  left: -0.7rem;
  top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--void);
  background: var(--signal);
  width: 1.4rem;
  height: 1.4rem;
  display: grid;
  place-items: center;
}

.pipe-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.pipe-num {
  font-size: 0.7rem;
  color: var(--signal);
  letter-spacing: 0.12em;
}

.pipe-step h3 {
  font-size: 1.1rem;
}

.pipe-step > p {
  margin: 0 0 var(--space-3);
  color: var(--dim);
  font-size: 0.98rem;
}

.pipe-step code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  color: var(--signal);
  background: rgba(61, 232, 255, 0.08);
  padding: 0.1em 0.35em;
  border: 1px solid rgba(61, 232, 255, 0.15);
}

.pipe-io {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.io-in {
  color: var(--dim);
}

.io-out {
  color: var(--gold);
}

.terminal-feed {
  border: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 3.5rem;
  overflow: hidden;
}

.feed-head {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.feed-body {
  margin: 0;
  padding: 0.85rem;
  min-height: 18rem;
  max-height: 24rem;
  overflow: auto;
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--dim);
  white-space: pre-wrap;
  word-break: break-word;
}

.feed-body .ok {
  color: var(--signal);
}

.feed-body .warn {
  color: var(--gold);
}

.feed-body .err {
  color: var(--alert);
}

.feed-body .cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--signal);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.callout-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.callout {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--space-4);
  border-top: 2px solid var(--signal);
}

.callout:nth-child(2) {
  border-top-color: var(--gold);
}

.callout:nth-child(3) {
  border-top-color: var(--alert);
}

.callout h3 {
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.callout p {
  margin: 0;
  color: var(--dim);
  font-size: 0.92rem;
}

/* —— Application matrix —— */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.mx-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.mx-card:hover {
  border-color: rgba(61, 232, 255, 0.4);
}

.mx-head {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mx-tag {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.mx-card h3 {
  font-size: 1.15rem;
}

.mx-card p {
  margin: 0;
  color: var(--dim);
  font-size: 0.95rem;
}

.mx-card strong {
  color: var(--chrome);
  font-weight: 600;
}

.mx-metrics {
  list-style: none;
  margin: 0.25rem 0 0;
  padding: 0.75rem 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--chrome);
}

.mx-metrics li span {
  display: inline-block;
  min-width: 4.5rem;
  color: var(--dim);
  margin-right: 0.5rem;
}

/* —— Evolution —— */
.evolution-rail {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.era {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--line);
}

.era:first-child {
  border-top: 1px solid var(--line);
}

.era-badge {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--dim);
  padding-top: 0.35rem;
}

.era.now .era-badge {
  color: var(--signal);
}

.era h3 {
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}

.era-thesis {
  margin: 0 0 0.75rem;
  color: var(--gold);
  font-size: 0.98rem;
}

.era-detail p {
  margin: 0 0 0.55rem;
  color: var(--dim);
  font-size: 0.95rem;
}

.era-detail p:last-child {
  margin-bottom: 0;
}

.era-detail strong {
  color: var(--chrome);
  font-weight: 600;
}

.era.now {
  background: linear-gradient(90deg, rgba(61, 232, 255, 0.06), transparent 60%);
}

.lesson-box {
  margin-top: var(--space-5);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: var(--panel);
  padding: var(--space-4);
}

.lesson-label {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin: 0 0 0.65rem;
}

.lesson-box p:last-child {
  margin: 0;
  color: var(--chrome);
  font-size: 1rem;
  line-height: 1.7;
}

/* —— Frontier board —— */
.frontier-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.task-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.task-card.open {
  border-left: 3px solid var(--signal);
}

.task-card.critical {
  border-left: 3px solid var(--alert);
}

.task-card.field {
  border-left: 3px solid var(--gold);
}

.task-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.task-id {
  color: var(--dim);
}

.task-status {
  color: var(--signal);
}

.task-status.critical {
  color: var(--alert);
}

.task-card h3 {
  font-size: 1.1rem;
}

.task-card p {
  margin: 0;
  color: var(--dim);
  font-size: 0.95rem;
}

.task-why {
  margin-top: auto !important;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
  font-size: 0.68rem !important;
  letter-spacing: 0.06em;
  color: var(--chrome) !important;
}

.operator-note {
  margin: var(--space-5) 0 0;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(224, 184, 76, 0.06), transparent 50%),
    var(--panel);
}

.note-label {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin: 0 0 0.75rem;
}

.operator-note p:not(.note-label) {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--chrome);
}

.operator-note footer {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  margin: 0;
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .hero-grid,
  .access-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-5);
  }

  .hero-viz {
    order: -1;
  }

  .dossier {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .dossier-side {
    text-align: left;
  }

  .pipeline {
    grid-template-columns: 1fr;
  }

  .terminal-feed {
    position: static;
  }

  .callout-grid,
  .matrix-grid,
  .frontier-board {
    grid-template-columns: 1fr;
  }

  .era {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .status-nav {
    display: none;
  }

  .status-right .sep + span {
    display: none;
  }
}

@media (max-width: 640px) {
  :root {
    --frame: 6px;
  }

  .hero-meta {
    grid-template-columns: 1fr;
  }

  .spectrum-controls {
    grid-template-columns: 1fr;
  }

  .bar-row {
    grid-template-columns: 1fr 2.5rem;
  }

  .bar-label {
    grid-column: 1 / -1;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .access-form {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
  }

  .status-left .dim {
    display: none;
  }
}

/* —— Reduced motion —— */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .boot-overlay {
    transition: none;
  }

  .dot.live {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .bar-fill {
    transition: none;
  }

  .scanlines {
    display: none;
  }
}

/* —— Unit icon decorations —— */
.dossier-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
}

.mecha-icon {
  width: 44px;
  height: 64px;
  object-fit: contain;
  mix-blend-mode: screen;
  opacity: 0.9;
  filter: drop-shadow(0 0 6px rgba(61, 232, 255, 0.25));
}

.task-card {
  position: relative;
}

.task-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 34px;
  height: 50px;
  object-fit: contain;
  mix-blend-mode: screen;
  opacity: 0.45;
  pointer-events: none;
}

.hero-watermark {
  position: absolute;
  right: -12px;
  bottom: -14px;
  width: 200px;
  height: auto;
  mix-blend-mode: screen;
  opacity: 0.14;
  pointer-events: none;
}

@media (max-width: 900px) {
  .mecha-icon { width: 36px; height: 52px; }
  .hero-watermark { width: 140px; opacity: 0.1; }
}

/* —— FSAL identity card —— */
.fsal-id {
  display: block;
  width: 300px;
  max-width: 100%;
  margin-top: var(--space-4);
  border: 1px solid var(--line);
}