/* ==========================================================================
   renai.day — Mid-century HUD-overlay broadcast bulletin
   Chrome-metallic palette / Futura-geometric type / Slide-reveal motion
   ========================================================================== */

:root {
  --console-black: #0e1014;
  --bezel-carbon: #1a1d22;
  --anodized-steel: #a8acb3;
  --brushed-aluminum: #c9ccd1;
  --polished-chrome: #e6e8eb;
  --cold-white: #f4f5f7;
  --smoked-lucite: #3b6f9c;
  --burnt-sienna: #b03f2a;

  --font-display: "Major Mono Display", "Share Tech Mono", monospace;
  --font-body: "Jost", "Futura", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Share Tech Mono", "Major Mono Display", monospace;

  --rail-left: 220px;
  --rail-right: 180px;
  --gutter: 96px;
  --bezel-h: 44px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { width: 100%; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.55;
  letter-spacing: 0.005em;
  color: var(--bezel-carbon);
  background: var(--anodized-steel);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ==========================================================================
   Substrate — brushed-aluminum field, no images
   ========================================================================== */

.substrate {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(244,245,247,0.42) 0%, rgba(168,172,179,0) 60%),
    radial-gradient(ellipse at 50% 100%, rgba(14,16,20,0.18) 0%, rgba(168,172,179,0) 55%),
    repeating-linear-gradient(
      90deg,
      var(--brushed-aluminum) 0px,
      var(--brushed-aluminum) 1px,
      var(--anodized-steel) 1px,
      var(--anodized-steel) 2px
    );
}

.substrate::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(244,245,247,0.18) 0%, rgba(14,16,20,0.08) 100%);
}

/* ==========================================================================
   HUD plane — fixed instrument overlay above substrate, below content
   ========================================================================== */

.hud-plane {
  position: fixed;
  inset: var(--bezel-h) 24px var(--bezel-h) 24px;
  z-index: 5;
  pointer-events: none;
}

.reticle {
  position: absolute;
  top: 20px;
  left: 20px;
  opacity: 0.55;
  transition: opacity 240ms ease-out;
}

.reticle.is-pulse { opacity: 0.95; }

.hud-coord {
  position: absolute;
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bezel-carbon);
  opacity: 0.7;
}

.hud-coord--tr { top: 22px; right: 20px; }
.hud-coord--bl { bottom: 60px; left: 20px; }
.hud-coord--br { bottom: 22px; right: 20px; }

.signal-gauge {
  position: absolute;
  bottom: 22px;
  right: 160px;
  opacity: 0.7;
}

.signal-gauge .sig-bar {
  fill: var(--bezel-carbon);
  transition: fill 240ms ease-out;
}

.signal-gauge.is-lit-1 .sig-bar:nth-child(1),
.signal-gauge.is-lit-2 .sig-bar:nth-child(-n+2),
.signal-gauge.is-lit-3 .sig-bar:nth-child(-n+3),
.signal-gauge.is-lit-4 .sig-bar:nth-child(-n+4),
.signal-gauge.is-lit-5 .sig-bar:nth-child(-n+5),
.signal-gauge.is-lit-6 .sig-bar:nth-child(-n+6),
.signal-gauge.is-lit-7 .sig-bar:nth-child(-n+7) { fill: var(--smoked-lucite); }

/* ==========================================================================
   Bezel strips — top & bottom
   ========================================================================== */

.bezel {
  position: fixed;
  left: 0; right: 0;
  height: var(--bezel-h);
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: linear-gradient(180deg, var(--polished-chrome) 0%, var(--brushed-aluminum) 100%);
  color: var(--bezel-carbon);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  border-top: 1px solid var(--bezel-carbon);
  border-bottom: 1px solid var(--bezel-carbon);
  box-shadow:
    inset 0 1px 0 var(--cold-white),
    inset 0 -1px 0 var(--anodized-steel);
}

.bezel--top { top: 0; }
.bezel--bottom { bottom: 0; }

.bezel-segment {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.bezel-segment--center {
  flex: 1;
  justify-content: center;
  font-weight: 400;
}

.bezel-segment--small { font-size: 0.72rem; }

.dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--bezel-carbon);
  border-radius: 0;
}

.dot--cyan {
  background: var(--smoked-lucite);
  box-shadow: 0 0 0 1px var(--bezel-carbon), 0 0 6px rgba(59,111,156,0.6);
  animation: lamp-pulse 1.2s ease-in-out infinite;
}

@keyframes lamp-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

/* ==========================================================================
   Teleprinter — bottom bezel scrolling text
   ========================================================================== */

.teleprinter {
  flex: 1;
  overflow: hidden;
  height: 100%;
  display: flex;
  align-items: center;
  margin: 0 24px;
  position: relative;
}

.teleprinter::before,
.teleprinter::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 24px;
  z-index: 2;
  pointer-events: none;
}

.teleprinter::before { left: 0; background: linear-gradient(90deg, var(--polished-chrome), transparent); }
.teleprinter::after { right: 0; background: linear-gradient(-90deg, var(--polished-chrome), transparent); }

.teleprinter-track {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.18em;
  color: var(--bezel-carbon);
  padding-left: 100%;
  animation: tp-scroll 28s linear infinite;
}

@keyframes tp-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

/* ==========================================================================
   Console — main 12-column geometric lattice
   ========================================================================== */

.console {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: var(--rail-left) minmax(0, 1fr) var(--rail-right);
  gap: 32px;
  max-width: 1320px;
  margin: 0 auto;
  padding: calc(var(--bezel-h) + 56px) var(--gutter) calc(var(--bezel-h) + 56px);
  min-height: 100vh;
}

/* ==========================================================================
   Rails — left instrument stack, right timeline
   ========================================================================== */

.rail {
  position: relative;
}

.rail--left {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: calc(var(--bezel-h) + 24px);
  align-self: start;
  height: max-content;
}

.rail--right {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: calc(var(--bezel-h) + 24px);
  align-self: start;
  height: max-content;
}

/* Instrument panels */
.instrument {
  position: relative;
  padding: 14px 16px;
  background: var(--polished-chrome);
  outline: 1px solid var(--bezel-carbon);
  box-shadow: inset 0 0 0 4px var(--polished-chrome), inset 0 0 0 5px var(--brushed-aluminum);
  clip-path: polygon(
    6px 0,
    calc(100% - 6px) 0,
    100% 6px,
    100% calc(100% - 6px),
    calc(100% - 6px) 100%,
    6px 100%,
    0 calc(100% - 6px),
    0 6px
  );
}

.instrument-label {
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bezel-carbon);
  margin-bottom: 8px;
  border-bottom: 1px solid var(--bezel-carbon);
  padding-bottom: 6px;
}

.instrument-readout {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.012em;
  color: var(--console-black);
  line-height: 1.05;
}

.instrument-readout--accent { color: var(--burnt-sienna); }

.instrument-sub {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--bezel-carbon);
  margin-top: 6px;
  opacity: 0.78;
}

.instrument-sub--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  font-size: 0.86rem;
  opacity: 1;
}

/* Frequency dial */
.instrument--dial { padding-bottom: 12px; }

.dial {
  display: block;
  margin: 6px auto 4px;
}

.dial-tick {
  stroke: var(--bezel-carbon);
  stroke-width: 1;
}

.dial-indicator {
  filter: drop-shadow(0 0 3px rgba(59,111,156,0.7));
}

/* Gauge */
.gauge-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 28px;
  margin: 4px 0 6px;
}

.gauge-bar {
  width: 6px;
  background: var(--bezel-carbon);
  display: block;
  transition: background 220ms ease-out, box-shadow 220ms ease-out;
}

.gauge-bar[data-h="6"]  { height: 8px;  }
.gauge-bar[data-h="9"]  { height: 12px; }
.gauge-bar[data-h="12"] { height: 16px; }
.gauge-bar[data-h="15"] { height: 20px; }
.gauge-bar[data-h="18"] { height: 24px; }
.gauge-bar[data-h="21"] { height: 28px; }
.gauge-bar[data-h="24"] { height: 28px; }

.gauge-bar.is-lit {
  background: var(--smoked-lucite);
  box-shadow: 0 0 6px rgba(59,111,156,0.6);
}

/* Switch list */
.switch-list { list-style: none; }

.switch-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bezel-carbon);
  padding: 6px 0;
  border-bottom: 1px solid var(--anodized-steel);
  opacity: 0.62;
}

.switch-item:last-child { border-bottom: 0; }

.switch-item.is-on { opacity: 1; }

.switch-dot {
  width: 8px; height: 8px;
  background: var(--bezel-carbon);
  display: inline-block;
  flex-shrink: 0;
}

.switch-item.is-on .switch-dot {
  background: var(--smoked-lucite);
  box-shadow: 0 0 0 1px var(--bezel-carbon), 0 0 4px rgba(59,111,156,0.6);
}

/* Right rail timeline */
.timeline-label {
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bezel-carbon);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bezel-carbon);
}

.timeline { list-style: none; position: relative; padding: 6px 0; }

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--bezel-carbon);
}

.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--bezel-carbon);
  cursor: default;
  transition: color 240ms ease-out;
}

.tl-mark {
  width: 11px; height: 11px;
  border: 1px solid var(--bezel-carbon);
  background: var(--polished-chrome);
  display: block;
  position: relative;
  z-index: 2;
  transition: background 240ms ease-out, box-shadow 240ms ease-out;
}

.tl-time {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
}

.tl-id {
  grid-column: 2;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  opacity: 0.7;
}

.tl-item.is-active .tl-mark {
  background: var(--smoked-lucite);
  box-shadow: 0 0 0 1px var(--bezel-carbon), 0 0 6px rgba(59,111,156,0.7);
}

.tl-item.is-active .tl-time {
  color: var(--smoked-lucite);
}

.timeline-foot {
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--bezel-carbon);
  color: var(--cold-white);
  outline: 1px solid var(--bezel-carbon);
}

.timeline-foot-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--brushed-aluminum);
}

.timeline-foot-value {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  color: var(--smoked-lucite);
  line-height: 1.1;
}

.timeline-foot-unit {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--brushed-aluminum);
  margin-top: 2px;
}

/* ==========================================================================
   Bulletin stream — masthead + bulletins
   ========================================================================== */

.bulletin-stream {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 48px;
  min-width: 0;
}

.masthead {
  position: relative;
  padding: 14px 0 28px;
  border-top: 1px solid var(--bezel-carbon);
  border-bottom: 1px solid var(--bezel-carbon);
  padding-top: 18px;
}

.masthead::before, .masthead::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--bezel-carbon);
}

.masthead::before { top: 4px; }
.masthead::after  { bottom: 4px; }

.masthead-meta {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bezel-carbon);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.masthead-meta::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--burnt-sienna);
}

.masthead-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(2.6rem, 4.6vw, 4.4rem);
  line-height: 1.0;
  letter-spacing: -0.012em;
  color: var(--console-black);
  margin-bottom: 18px;
  max-width: 22ch;
}

.masthead-sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--bezel-carbon);
  max-width: 48ch;
  letter-spacing: 0.01em;
  opacity: 0.92;
}

.masthead-rule {
  height: 1px;
  background: var(--bezel-carbon);
  margin: 18px 0 10px;
}

.masthead-readout {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  color: var(--smoked-lucite);
}

/* Bulletin (chrome-bezeled rectangle) */
.bulletin {
  position: relative;
  opacity: 0;
  transform: translateX(240px);
  transition:
    transform 480ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 480ms cubic-bezier(0.16, 1, 0.3, 1);
}

.bulletin.is-active {
  opacity: 1;
  transform: translateX(0);
}

.bulletin-bezel {
  position: relative;
  padding: 22px 28px 24px;
  background: var(--polished-chrome);
  outline: 1px solid var(--bezel-carbon);
  box-shadow: inset 0 0 0 4px var(--polished-chrome), inset 0 0 0 5px var(--brushed-aluminum);
  clip-path: polygon(
    6px 0,
    calc(100% - 6px) 0,
    100% 6px,
    100% calc(100% - 6px),
    calc(100% - 6px) 100%,
    6px 100%,
    0 calc(100% - 6px),
    0 6px
  );
}

.bulletin-bezel::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 22px;
  right: 22px;
  height: 1px;
  background: var(--bezel-carbon);
  clip-path: inset(0 100% 0 0);
  transition: clip-path 360ms cubic-bezier(0.16, 1, 0.3, 1) 80ms;
}

.bulletin.is-active .bulletin-bezel::before {
  clip-path: inset(0 0 0 0);
}

.bulletin-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bezel-carbon);
  margin-bottom: 16px;
  padding-top: 8px;
}

.bulletin-code { color: var(--console-black); }

.bulletin-band {
  display: inline-block;
  padding: 3px 8px;
  background: var(--bezel-carbon);
  color: var(--polished-chrome);
}

.bulletin-time {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  color: var(--smoked-lucite);
  margin-left: auto;
}

.bulletin-title {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.012em;
  color: var(--console-black);
  margin-bottom: 14px;
  max-width: 30ch;
}

.bulletin-copy {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.55;
  letter-spacing: 0.005em;
  color: var(--bezel-carbon);
  max-width: 56ch;
  margin-bottom: 22px;
}

.bulletin-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--bezel-carbon);
}

.bulletin-tag {
  display: inline-block;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--bezel-carbon);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--bezel-carbon);
}

.bulletin-tag--accent {
  background: var(--smoked-lucite);
  color: var(--cold-white);
  border-color: var(--smoked-lucite);
}

/* Sign-off */
.sign-off {
  padding: 28px 0 8px;
  text-align: left;
}

.sign-off-rule {
  height: 1px;
  background: var(--bezel-carbon);
  margin: 6px 0;
}

.sign-off-line {
  font-family: var(--font-display);
  font-size: 0.86rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bezel-carbon);
  padding: 6px 0;
}

.sign-off-line--small {
  font-size: 0.74rem;
  opacity: 0.78;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1100px) {
  :root { --rail-left: 180px; --rail-right: 150px; --gutter: 48px; }
  .console { padding-left: 48px; padding-right: 48px; gap: 24px; }
  .masthead-title { font-size: clamp(2.2rem, 6vw, 3.4rem); }
}

@media (max-width: 820px) {
  .console {
    grid-template-columns: 1fr;
    padding-left: 24px;
    padding-right: 24px;
    gap: 32px;
  }
  .rail--left, .rail--right {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
  }
  .rail--left .instrument, .rail--right > * {
    flex: 1 1 200px;
    min-width: 0;
  }
  .timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 6px;
  }
  .timeline::before { display: none; }
  .tl-item { padding: 6px 0; }
  .hud-plane { display: none; }
  .bezel-segment--center { font-size: 0.7rem; }
}

@media (max-width: 540px) {
  :root { --bezel-h: 36px; }
  .bezel { padding: 0 14px; font-size: 0.66rem; }
  .bezel-segment { gap: 6px; }
  .bulletin-bezel { padding: 18px 18px 20px; }
  .bulletin-head { font-size: 0.66rem; gap: 10px; }
  .bulletin-time { margin-left: 0; flex-basis: 100%; }
}

/* ==========================================================================
   Reduced motion + high contrast
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .bulletin {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .bulletin-bezel::before { clip-path: inset(0 0 0 0); transition: none; }
  .teleprinter-track { animation: none; padding-left: 0; }
  .dot--cyan { animation: none; }
  .gauge-bar, .tl-mark, .reticle { transition: none; }
}

@media (prefers-contrast: more) {
  :root {
    --bezel-carbon: #000000;
    --smoked-lucite: #1f4a78;
  }
}