:root {
  color-scheme: dark;
  --ink: #eaf6ff;
  --muted: #7e97ac;
  --cyan: #6fe3ff;
  --cyan-bright: #d6f8ff;
  --cyan-deep: #1d84ad;
  --amber: #ffbe5c;
  --red: #ff6a5e;
  --hud: var(--cyan);
  --hud-bright: var(--cyan-bright);
  --panel: rgba(4, 12, 25, 0.62);
  --line: rgba(155, 220, 255, 0.25);
  --ease-cinematic: cubic-bezier(0.22, 1, 0.36, 1);
  --mono: "Space Mono", ui-monospace, monospace;
  --tech: "Chakra Petch", "Space Mono", system-ui, sans-serif;
  --gutter: clamp(1.1rem, 3.6vw, 4rem);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #02040b;
}

body {
  color: var(--ink);
  font-family: "Manrope", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button {
  border: 0;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
}

#experience,
#space-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

#space-canvas {
  display: block;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.is-camera-dragging #space-canvas {
  cursor: grabbing;
}

/* ---------------------------------------------------------------- optics */

.optical-fx {
  position: fixed;
  z-index: 3;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.optical-fx__flare {
  position: absolute;
  top: 18%;
  right: 12%;
  width: min(28rem, 44vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(210, 246, 255, 0.18), rgba(77, 189, 255, 0.045) 18%, transparent 64%);
  opacity: 0.56;
  filter: blur(2px);
  transform: scale(0.7);
  transition: opacity 2s ease, transform 8s var(--ease-cinematic);
}

.optical-fx__flare::before,
.optical-fx__flare::after {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%);
}

.optical-fx__flare::before {
  width: 12%;
  height: 12%;
  background: #e8fbff;
  box-shadow: 0 0 34px 12px rgba(111, 216, 255, 0.42);
}

.optical-fx__flare::after {
  width: 170%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(120, 220, 255, 0.22), #fff, rgba(120, 220, 255, 0.18), transparent);
  box-shadow: 0 0 12px rgba(120, 220, 255, 0.35);
}

.optical-fx__reflection {
  position: absolute;
  top: 48%;
  left: 42%;
  width: 7rem;
  aspect-ratio: 1;
  border: 1px solid rgba(107, 213, 255, 0.14);
  border-radius: 50%;
  opacity: 0.5;
  box-shadow:
    13vw 8vh 0 -2.4rem rgba(106, 192, 255, 0.08),
    -19vw -14vh 0 -1.4rem rgba(167, 107, 255, 0.05);
  transition: transform 8s var(--ease-cinematic);
}

.optical-fx__grain {
  position: absolute;
  inset: -40%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
  opacity: 0.009;
  animation: film-grain 0.7s steps(2) infinite;
}

.is-flying .optical-fx__flare {
  opacity: 0.34;
  transform: scale(1.1) translate(-7vw, 5vh);
}

.is-flying .optical-fx__reflection {
  transform: translate(12vw, 8vh) scale(1.35);
}

.quality-eco .optical-fx__grain,
.quality-eco .optical-fx__reflection {
  display: none;
}

.quality-eco .optical-fx__flare {
  filter: none;
  opacity: 0.24;
}

#experience::after {
  position: fixed;
  z-index: 4;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 50% 45%, transparent 25%, rgba(0, 2, 10, 0.2) 68%, rgba(0, 2, 8, 0.82) 120%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.012) 0, rgba(255, 255, 255, 0.012) 1px, transparent 1px, transparent 3px);
  mix-blend-mode: screen;
}

/* --------------------------------------------------------------- cockpit */

.cockpit {
  visibility: hidden;
  position: fixed;
  z-index: 6;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1.8s 0.4s ease, visibility 1.8s;
}

.is-flying .cockpit {
  visibility: visible;
  opacity: 1;
}

/* The canopy opening is one masked ellipse rather than four straight frames, so
   the hull curves around the glass the way a moulded canopy does and the shape
   holds at every aspect ratio. The ellipse is wide and sits low: its top runs
   off the screen, leaving a gap to see through, and its bottom arc finishes
   behind the dash instead of floating across open sky. */
:root {
  --canopy: 53% 90% at 50% 39%;
  --canopy-edge: 60%;
}

.cockpit__hull {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(var(--canopy), transparent 0 60%, rgba(150, 208, 240, 0.4) 63%, rgba(80, 122, 152, 0.16) 70%, transparent 82%),
    radial-gradient(70% 46% at 50% 104%, rgba(112, 196, 238, 0.24), transparent 62%),
    radial-gradient(96% 48% at 50% -4%, rgba(160, 204, 236, 0.24), transparent 64%),
    linear-gradient(180deg, #303c4a 0%, #232e3c 20%, #18222e 46%, #0f1620 74%, #070b12 100%);
  -webkit-mask: radial-gradient(var(--canopy), transparent 0 var(--canopy-edge), rgba(0, 0, 0, 0.92) 66%, #000 73%);
  mask: radial-gradient(var(--canopy), transparent 0 var(--canopy-edge), rgba(0, 0, 0, 0.92) 66%, #000 73%);
}

.cockpit__hull::after {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    repeating-linear-gradient(90deg, rgba(178, 224, 248, 0.075) 0 1px, transparent 1px 78px),
    repeating-linear-gradient(0deg, rgba(178, 224, 248, 0.055) 0 1px, transparent 1px 110px);
}

/* Lit bevel where the hull meets the glass, plus the soft bounce just inside it. */
.cockpit__rim {
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
  background:
    radial-gradient(var(--canopy), transparent 0 59.3%, rgba(196, 242, 255, 0.5) 60.4%, transparent 61.6%),
    radial-gradient(var(--canopy), transparent 0 61%, rgba(92, 178, 220, 0.26) 65%, transparent 74%);
}

/* Structural ribs sitting on the hull, angled with the canopy taper. */
.cockpit__pillar {
  position: absolute;
  top: -8%;
  width: clamp(2.2rem, 6.5vw, 7rem);
  height: 116%;
  background: linear-gradient(90deg, #0c141f 0%, #24313f 38%, #2c3b4c 56%, #101923 100%);
}

.cockpit__pillar--left {
  left: 0;
  clip-path: polygon(0 0, 100% 0, 54% 100%, 0 100%);
  box-shadow: inset -1px 0 0 rgba(163, 226, 255, 0.16), 22px 0 60px rgba(0, 0, 0, 0.7);
}

.cockpit__pillar--right {
  right: 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 46% 100%);
  background: linear-gradient(270deg, #0c141f 0%, #24313f 38%, #2c3b4c 56%, #101923 100%);
  box-shadow: inset 1px 0 0 rgba(163, 226, 255, 0.16), -22px 0 60px rgba(0, 0, 0, 0.7);
}

.cockpit__seam {
  position: absolute;
  top: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, rgba(139, 213, 248, 0.26) 22%, rgba(139, 213, 248, 0.11) 70%, transparent);
}

.cockpit__pillar--left .cockpit__seam {
  right: 38%;
}

.cockpit__pillar--right .cockpit__seam {
  left: 38%;
}

.cockpit__rivets {
  position: absolute;
  top: 14%;
  width: 3px;
  height: 72%;
  background-image: radial-gradient(circle, rgba(178, 224, 248, 0.34) 0 1px, transparent 1.4px);
  background-size: 3px 2.4rem;
}

.cockpit__pillar--left .cockpit__rivets {
  right: 20%;
}

.cockpit__pillar--right .cockpit__rivets {
  left: 20%;
}

/* Overhead structure: thickens the roof at the corners without closing the
   gap the canopy leaves at the top centre. */
.cockpit__brow {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 20%;
  background: linear-gradient(180deg, rgba(12, 18, 27, 0.62) 0%, rgba(9, 14, 21, 0.32) 48%, transparent 90%);
}

.console {
  position: absolute;
  right: -6%;
  bottom: -19%;
  left: -6%;
  height: 36%;
}

.console__deck {
  position: absolute;
  inset: 0;
  border-top: 1px solid rgba(168, 230, 255, 0.3);
  background: linear-gradient(180deg, #24303f 0%, #172230 18%, #0c141d 48%, #04080e 84%);
  box-shadow:
    0 -26px 90px rgba(0, 0, 0, 0.85),
    inset 0 1px 0 rgba(198, 240, 255, 0.18),
    inset 0 18px 40px rgba(103, 194, 225, 0.07);
  transform: perspective(620px) rotateX(31deg);
  transform-origin: top center;
}

.console__deck::after {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.7;
  background-image:
    repeating-linear-gradient(104deg, transparent 0 3.8%, rgba(134, 206, 240, 0.07) 3.8%, transparent 4.1%),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.26) 0 1px, transparent 1px 13px);
}

/* Instrument spill from the dash onto the underside of the canopy. */
.console__glow {
  position: absolute;
  top: -12%;
  right: 18%;
  left: 18%;
  height: 40%;
  background: radial-gradient(ellipse at 50% 100%, rgba(88, 205, 250, 0.16), transparent 68%);
  filter: blur(14px);
}

.console__bank {
  position: absolute;
  top: 12%;
  display: flex;
  gap: 0.5rem;
  transform: perspective(620px) rotateX(31deg);
  transform-origin: top center;
}

.console__bank--left {
  left: 15%;
}

.console__bank--right {
  right: 15%;
  flex-direction: row-reverse;
}

.console__bank i {
  width: clamp(0.9rem, 1.6vw, 1.5rem);
  height: clamp(0.5rem, 0.9vw, 0.8rem);
  border-top: 1px solid rgba(133, 205, 240, 0.22);
  background: linear-gradient(180deg, rgba(96, 175, 214, 0.16), rgba(10, 20, 30, 0.5));
}

.console__bank i:nth-child(2n) {
  background: linear-gradient(180deg, rgba(255, 190, 92, 0.1), rgba(10, 20, 30, 0.5));
}

.console__leds {
  position: absolute;
  top: 9%;
  left: 50%;
  display: flex;
  gap: 0.75rem;
  transform: translateX(-50%);
}

.console__led {
  width: 0.42rem;
  height: 0.16rem;
  border-radius: 50%;
}

.console__led--cyan {
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: led-blink 3.4s ease-in-out infinite;
}

.console__led--amber {
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber);
  animation: led-blink 2.1s 0.4s ease-in-out infinite;
}

.console__led--red {
  background: var(--red);
  box-shadow: 0 0 12px var(--red);
  animation: led-blink 4.7s 1.1s ease-in-out infinite;
}

.cockpit__glass {
  position: absolute;
  inset: 4% 9% 18%;
  border-radius: 50%;
  background: linear-gradient(118deg, rgba(189, 232, 255, 0.06), transparent 30%, transparent 67%, rgba(117, 195, 230, 0.028));
  filter: blur(18px);
}

/* Plasma that licks around the canopy seal in the last seconds of the descent.
   It has to stay on the frame: a full-screen orange wash reads as a colour
   grade, not as something burning outside the glass. */
.cockpit__heat {
  position: absolute;
  inset: 0;
  opacity: 0;
  mix-blend-mode: screen;
  background:
    radial-gradient(var(--canopy), transparent 0 50%, rgba(255, 137, 61, 0.22) 59%, rgba(255, 88, 43, 0.34) 65%, transparent 74%),
    radial-gradient(76% 24% at 50% 98%, rgba(255, 168, 92, 0.24), transparent 74%);
  transition: opacity 1.6s ease;
}

.is-earth-approach .cockpit__heat {
  opacity: 0.45;
}

.is-alert .cockpit__heat {
  opacity: 0.95;
  animation: heat-flicker 0.42s steps(3) infinite;
}

.is-earth-approach .cockpit__glass {
  background:
    radial-gradient(ellipse at 50% 72%, rgba(118, 226, 255, 0.16), transparent 42%),
    linear-gradient(118deg, rgba(255, 221, 177, 0.08), transparent 28%, transparent 68%, rgba(100, 207, 255, 0.08));
  box-shadow: inset 0 -3rem 7rem rgba(69, 177, 255, 0.09);
  transition: background 1.5s ease, box-shadow 1.5s ease;
}

.quality-eco .cockpit__hull::after,
.quality-eco .cockpit__rivets,
.quality-eco .console__glow,
.quality-eco .cockpit__glass {
  display: none;
}

/* ---------------------------------------------------------------- topbar */

.topbar {
  position: fixed;
  z-index: 12;
  top: 0;
  left: 0;
  display: grid;
  width: 100%;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: max(1.15rem, env(safe-area-inset-top)) var(--gutter);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
}

.home-link {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.9rem 0.45rem 0.7rem;
  border: 1px solid rgba(140, 205, 240, 0.16);
  background: linear-gradient(180deg, rgba(12, 28, 44, 0.5), rgba(4, 10, 19, 0.5));
  clip-path: polygon(0 0, 100% 0, 100% 62%, calc(100% - 0.55rem) 100%, 0 100%);
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.home-link:hover {
  border-color: rgba(126, 232, 255, 0.5);
  background: linear-gradient(180deg, rgba(20, 54, 78, 0.6), rgba(6, 16, 28, 0.6));
  color: var(--cyan);
}

.home-link__glyph {
  width: 0.5rem;
  height: 0.5rem;
  border-bottom: 1px solid currentColor;
  border-left: 1px solid currentColor;
  transform: rotate(45deg);
}

.mission-id {
  display: grid;
  padding: 0.15rem 1.6rem;
  gap: 0.14rem;
  text-align: center;
}

.mission-id::before,
.mission-id::after {
  position: absolute;
  width: 0.7rem;
  height: 0.7rem;
  border-top: 1px solid rgba(126, 232, 255, 0.4);
  content: "";
}

.mission-id {
  position: relative;
}

.mission-id::before {
  top: 0;
  left: 0;
  border-left: 1px solid rgba(126, 232, 255, 0.4);
}

.mission-id::after {
  top: 0;
  right: 0;
  border-right: 1px solid rgba(126, 232, 255, 0.4);
}

.mission-id span {
  color: var(--cyan-bright);
  font-family: var(--tech);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.4em;
  text-indent: 0.4em;
}

.mission-id small {
  color: var(--muted);
  font-size: 0.5rem;
  letter-spacing: 0.24em;
}

.topbar__controls {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: clamp(0.7rem, 1.8vw, 1.4rem);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 0.45rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid rgba(140, 205, 240, 0.14);
  background: rgba(6, 15, 26, 0.42);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.14em;
  transition: border-color 180ms ease, color 180ms ease;
}

.icon-button:hover {
  border-color: rgba(126, 232, 255, 0.45);
  color: var(--cyan-bright);
}

.quality-toggle {
  color: var(--muted);
}

.quality-toggle i {
  width: 0.36rem;
  height: 0.36rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.quality-toggle[data-mode="eco"] i {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}

.icon-button__wave {
  display: flex;
  height: 0.55rem;
  align-items: flex-end;
  gap: 0.1rem;
}

.icon-button__wave b {
  width: 0.1rem;
  height: 40%;
  background: currentColor;
  opacity: 0.4;
}

.icon-button[aria-pressed="true"] .icon-button__wave b {
  background: var(--cyan);
  opacity: 1;
  animation: signal-wave 0.9s ease-in-out infinite alternate;
}

.icon-button[aria-pressed="true"] .icon-button__wave b:nth-child(2) {
  height: 100%;
  animation-delay: -0.3s;
}

.icon-button[aria-pressed="true"] .icon-button__wave b:nth-child(3) {
  height: 66%;
  animation-delay: -0.6s;
}

.icon-button .sound-on,
.icon-button[aria-pressed="true"] .sound-off {
  display: none;
}

.icon-button[aria-pressed="true"] .sound-on {
  display: inline;
  color: var(--cyan);
}

/* ------------------------------------------------------------------- hud */

.hud {
  visibility: hidden;
  position: fixed;
  z-index: 9;
  inset: 0;
  --px: 0;
  --py: 0;
  --shake: 0;
  color: var(--hud);
  opacity: 0;
  pointer-events: none;
  transition: opacity 1.2s 0.5s ease, visibility 1.2s;
}

.is-flying .hud {
  visibility: visible;
  opacity: 1;
}

/* Everything reads as a projection on the canopy: a faint holographic wash
   plus scanlines that the individual instruments do not have to carry. */
.hud__glass {
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
  opacity: 0.5;
  background:
    radial-gradient(52% 46% at 50% 46%, rgba(84, 196, 240, 0.05), transparent 72%),
    repeating-linear-gradient(0deg, rgba(150, 226, 255, 0.028) 0 1px, transparent 1px 4px);
}

.quality-eco .hud__glass {
  display: none;
}

.cluster {
  position: absolute;
  display: grid;
  gap: clamp(0.7rem, 1.4vh, 1.1rem);
  filter: drop-shadow(0 0 14px rgba(24, 118, 158, 0.35));
}

/* Readouts have to survive a gas giant filling the frame behind them, so each
   cluster carries its own scrim instead of relying on glow alone. */
.cluster::before {
  position: absolute;
  z-index: -1;
  inset: -0.9rem -1.2rem -1.1rem;
  content: "";
  background: linear-gradient(180deg, rgba(3, 13, 25, 0.66), rgba(2, 9, 18, 0.46));
  -webkit-mask: linear-gradient(180deg, #000 86%, transparent);
  mask: linear-gradient(180deg, #000 86%, transparent);
}

.cluster--left::before {
  border-left: 1px solid rgba(126, 232, 255, 0.22);
}

.cluster--right::before {
  border-right: 1px solid rgba(126, 232, 255, 0.22);
}

.cluster--left {
  top: clamp(6.5rem, 19vh, 12rem);
  left: var(--gutter);
  transform:
    perspective(1500px) rotateY(7deg)
    translate3d(calc(var(--px) * 13px), calc(var(--py) * 9px), 0);
}

.cluster--right {
  right: var(--gutter);
  bottom: clamp(7.5rem, 21vh, 13rem);
  justify-items: end;
  text-align: right;
  transform:
    perspective(1500px) rotateY(-7deg)
    translate3d(calc(var(--px) * 13px), calc(var(--py) * 9px), 0);
}

.cluster__head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(111, 227, 255, 0.22);
  font-family: var(--tech);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.34em;
}

.cluster__head::after {
  flex: 1;
  height: 1px;
  min-width: 1.2rem;
  background: linear-gradient(90deg, rgba(111, 227, 255, 0.4), transparent);
  content: "";
}

.cluster--right .cluster__head::after {
  order: -1;
  background: linear-gradient(270deg, rgba(111, 227, 255, 0.4), transparent);
}

.cluster__head i {
  width: 0.3rem;
  height: 0.3rem;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  transform: rotate(45deg);
}

.cluster__head em {
  color: rgba(126, 172, 196, 0.75);
  font-size: 0.5rem;
  font-style: normal;
  letter-spacing: 0.18em;
}

/* ----------------------------------------------------------- speed gauge */

.gauge {
  position: relative;
  width: clamp(6rem, 8.5vw, 8.4rem);
  aspect-ratio: 1;
  --gauge: 0;
}

.gauge__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from -125deg,
    rgba(111, 227, 255, 0.85) 0 calc(var(--gauge) * 250deg),
    rgba(111, 227, 255, 0.12) calc(var(--gauge) * 250deg) 250deg,
    transparent 250deg
  );
  -webkit-mask: radial-gradient(closest-side, transparent 0 76%, #000 77% 92%, transparent 93%);
  mask: radial-gradient(closest-side, transparent 0 76%, #000 77% 92%, transparent 93%);
}

.gauge__ring::after {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  content: "";
  background: conic-gradient(
    from -125deg,
    transparent 0 calc(var(--gauge) * 250deg - 6deg),
    rgba(255, 255, 255, 0.9) calc(var(--gauge) * 250deg - 6deg) calc(var(--gauge) * 250deg),
    transparent calc(var(--gauge) * 250deg)
  );
  filter: blur(1px);
}

.gauge__ticks {
  position: absolute;
  inset: -0.05rem;
  border-radius: 50%;
  opacity: 0.5;
  background: repeating-conic-gradient(
    from -125deg,
    rgba(178, 232, 255, 0.95) 0 0.8deg,
    transparent 0.8deg 12.5deg
  );
  -webkit-mask: radial-gradient(closest-side, transparent 0 93%, #000 94% 100%);
  mask: radial-gradient(closest-side, transparent 0 93%, #000 94% 100%);
}

.gauge__value {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.1rem;
}

.gauge__value strong {
  color: var(--hud-bright);
  font-family: var(--tech);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  line-height: 1;
  text-shadow: 0 0 18px rgba(111, 227, 255, 0.55);
}

.gauge__value small {
  color: rgba(151, 195, 216, 0.85);
  font-family: var(--mono);
  font-size: 0.44rem;
  letter-spacing: 0.2em;
}

/* ------------------------------------------------------------ system bars */

.bars {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0.45rem;
  list-style: none;
}

.bars li {
  display: grid;
  width: clamp(9.5rem, 15vw, 13rem);
  grid-template-columns: 3.4rem 1fr 1.6rem;
  align-items: center;
  gap: 0.5rem;
  --fill: var(--cyan);
}

.bars small {
  color: rgba(133, 175, 199, 0.9);
  font-family: var(--mono);
  font-size: 0.46rem;
  letter-spacing: 0.16em;
}

.bars b {
  color: var(--hud-bright);
  font-family: var(--tech);
  font-size: 0.62rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.bar {
  position: relative;
  height: 0.32rem;
  overflow: hidden;
  background: rgba(88, 148, 178, 0.16);
  box-shadow: inset 0 0 0 1px rgba(120, 190, 224, 0.1);
}

.bar i {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(111, 227, 255, 0.35), var(--fill));
  box-shadow: 0 0 10px var(--fill);
  transition: width 0.3s ease, background 0.4s ease;
}

/* Segmenting the fill reads as a physical instrument rather than a web bar. */
.bar::after {
  position: absolute;
  inset: 0;
  content: "";
  background: repeating-linear-gradient(90deg, transparent 0 4px, rgba(2, 8, 14, 0.85) 4px 5px);
}

.bars li.is-warn {
  --fill: var(--amber);
}

.bars li.is-warn b {
  color: var(--amber);
}

.bars li.is-critical {
  --fill: var(--red);
}

.bars li.is-critical b {
  color: var(--red);
  animation: value-alarm 0.9s steps(2) infinite;
}

/* ------------------------------------------------------------ nav cluster */

.nav-target {
  display: grid;
  gap: 0.18rem;
}

.nav-target small {
  color: rgba(133, 175, 199, 0.85);
  font-family: var(--mono);
  font-size: 0.46rem;
  letter-spacing: 0.2em;
}

.nav-target strong {
  color: var(--hud-bright);
  font-family: var(--tech);
  font-size: clamp(0.95rem, 1.5vw, 1.3rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-shadow: 0 0 20px rgba(111, 227, 255, 0.4);
}

.nav-target span {
  color: rgba(216, 236, 247, 0.72);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.nav-target.is-updating strong,
.nav-target.is-updating span {
  animation: readout-lock 0.55s steps(4);
}

.nav-readouts {
  display: flex;
  gap: 1.4rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(111, 227, 255, 0.16);
}

.nav-readouts div {
  display: grid;
  gap: 0.14rem;
}

.nav-readouts small {
  color: rgba(133, 175, 199, 0.85);
  font-family: var(--mono);
  font-size: 0.44rem;
  letter-spacing: 0.18em;
}

.nav-readouts strong {
  color: var(--hud-bright);
  font-family: var(--tech);
  font-size: 0.95rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.nav-uplink {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-uplink small {
  color: rgba(133, 175, 199, 0.85);
  font-family: var(--mono);
  font-size: 0.44rem;
  letter-spacing: 0.18em;
}

.signal {
  display: flex;
  height: 0.8rem;
  align-items: flex-end;
  gap: 0.15rem;
}

.signal i {
  width: 0.14rem;
  background: var(--cyan);
  box-shadow: 0 0 6px rgba(126, 232, 255, 0.6);
  animation: signal-wave 1.2s ease-in-out infinite alternate;
}

.signal i:nth-child(1) {
  height: 28%;
}

.signal i:nth-child(2) {
  height: 46%;
  animation-delay: -0.7s;
}

.signal i:nth-child(3) {
  height: 64%;
  animation-delay: -0.35s;
}

.signal i:nth-child(4) {
  height: 82%;
  animation-delay: -0.9s;
}

.signal i:nth-child(5) {
  height: 100%;
  animation-delay: -0.5s;
}

/* -------------------------------------------------------------- gunsight */

.gunsight {
  position: absolute;
  top: 47%;
  left: 50%;
  display: grid;
  width: min(34rem, 62vw);
  justify-items: center;
  transform:
    translate(-50%, -50%)
    translate3d(calc(var(--px) * -5px), calc(var(--py) * -4px), 0);
}

.heading {
  position: relative;
  width: min(15rem, 38vw);
  height: 1.15rem;
  margin-bottom: 0.2rem;
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent, #000 22%, #000 78%, transparent);
  mask: linear-gradient(90deg, transparent, #000 22%, #000 78%, transparent);
}

.heading__strip {
  position: absolute;
  top: 0;
  left: 50%;
  display: flex;
  height: 100%;
  align-items: flex-start;
  will-change: transform;
}

.heading__tick {
  position: absolute;
  bottom: 0;
  display: grid;
  justify-items: center;
  gap: 0.12rem;
  color: rgba(174, 226, 248, 0.8);
  font-family: var(--mono);
  font-size: 0.42rem;
  letter-spacing: 0.08em;
  transform: translateX(-50%);
}

.heading__tick::before {
  width: 1px;
  height: 0.34rem;
  background: currentColor;
  content: "";
  opacity: 0.7;
}

.heading__tick--minor {
  opacity: 0.42;
}

.heading__tick--minor::before {
  height: 0.2rem;
}

.heading__mark {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 0;
  border-top: 0.32rem solid var(--hud-bright);
  border-right: 0.26rem solid transparent;
  border-left: 0.26rem solid transparent;
  filter: drop-shadow(0 0 5px rgba(126, 232, 255, 0.8));
  transform: translateX(-50%);
}

.ladder {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(19rem, 44vw);
  height: 0;
  will-change: transform;
}

.ladder__line {
  position: absolute;
  left: 50%;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  color: rgba(140, 232, 255, 0.62);
  font-family: var(--mono);
  font-size: 0.4rem;
  letter-spacing: 0.1em;
  transform: translate(-50%, -50%);
}

.ladder__line span {
  width: 1.1rem;
}

.ladder__line span:last-child {
  text-align: right;
}

.ladder__line::before,
.ladder__line::after {
  width: calc(50% - 4rem);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(126, 226, 255, 0.5));
  content: "";
}

.ladder__line::after {
  background: linear-gradient(270deg, transparent, rgba(126, 226, 255, 0.5));
}

.ladder__line--zero {
  color: rgba(224, 250, 255, 0.95);
}

.ladder__line--zero::before,
.ladder__line--zero::after {
  background: linear-gradient(90deg, transparent, rgba(214, 248, 255, 0.8));
}

.ladder__line--zero::after {
  background: linear-gradient(270deg, transparent, rgba(214, 248, 255, 0.8));
}

.gunsight__core {
  position: relative;
  display: grid;
  width: 4.4rem;
  aspect-ratio: 1;
  margin: 0.9rem 0 0.7rem;
  place-items: center;
  filter: drop-shadow(0 0 8px rgba(20, 110, 150, 0.7));
}

/* Broken ring: four arcs, so the reticle reads as machined rather than drawn. */
.gunsight__ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(150, 238, 255, 0.85);
  border-radius: 50%;
  -webkit-mask: conic-gradient(
    #000 0 18deg, transparent 18deg 72deg,
    #000 72deg 108deg, transparent 108deg 162deg,
    #000 162deg 198deg, transparent 198deg 252deg,
    #000 252deg 288deg, transparent 288deg 342deg,
    #000 342deg 360deg
  );
  mask: conic-gradient(
    #000 0 18deg, transparent 18deg 72deg,
    #000 72deg 108deg, transparent 108deg 162deg,
    #000 162deg 198deg, transparent 198deg 252deg,
    #000 252deg 288deg, transparent 288deg 342deg,
    #000 342deg 360deg
  );
}

.gunsight__pip {
  width: 0.3rem;
  height: 0.3rem;
  border: 1px solid var(--hud-bright);
  box-shadow: 0 0 12px rgba(126, 232, 255, 0.8);
  transform: rotate(45deg);
  animation: reticle-breathe 2.4s ease-in-out infinite;
}

/* The wings splay with velocity, which gives speed a shape as well as a number. */
.gunsight__wing {
  position: absolute;
  top: 50%;
  width: 2.6rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--hud));
  transition: transform 0.5s var(--ease-cinematic);
}

.gunsight__wing--l {
  right: 100%;
  transform: translateX(calc(var(--speed, 0) * -1.6rem));
}

.gunsight__wing--r {
  left: 100%;
  background: linear-gradient(270deg, transparent, var(--hud));
  transform: translateX(calc(var(--speed, 0) * 1.6rem));
}

.gunsight__wing--l::after,
.gunsight__wing--r::after {
  position: absolute;
  top: -0.16rem;
  width: 1px;
  height: 0.34rem;
  background: var(--hud);
  content: "";
}

.gunsight__wing--l::after {
  right: 0;
}

.gunsight__wing--r::after {
  left: 0;
}

/* The scale is a true circle segment and the needle pivots on its centre, so
   the pointer tracks the arc instead of drifting off it at the extremes. */
.roll {
  position: relative;
  width: 7.5rem;
  height: 1rem;
}

.roll__arc {
  position: absolute;
  top: 0;
  left: 50%;
  width: 7.5rem;
  aspect-ratio: 1;
  border: 1px solid rgba(126, 232, 255, 0.32);
  border-radius: 50%;
  -webkit-mask: linear-gradient(180deg, #000 0 11%, transparent 11%);
  mask: linear-gradient(180deg, #000 0 11%, transparent 11%);
  transform: translateX(-50%);
}

.roll::before {
  position: absolute;
  top: -0.2rem;
  left: 50%;
  width: 1px;
  height: 0.26rem;
  background: rgba(126, 232, 255, 0.6);
  content: "";
  transform: translateX(-50%);
}

.roll__needle {
  position: absolute;
  top: 0.05rem;
  left: 50%;
  width: 0;
  height: 0;
  border-right: 0.22rem solid transparent;
  border-bottom: 0.3rem solid var(--hud-bright);
  border-left: 0.22rem solid transparent;
  filter: drop-shadow(0 0 5px rgba(126, 232, 255, 0.7));
  transform: translateX(-50%);
  transform-origin: 50% 3.7rem;
  will-change: transform;
}

.is-camera-dragging .gunsight__ring {
  border-color: rgba(126, 232, 255, 0.85);
}

.is-camera-dragging .gunsight__pip {
  animation: none;
  transform: rotate(45deg) scale(1.5);
}

/* --------------------------------------------------------------- caution */

.caution {
  position: absolute;
  top: clamp(4.5rem, 13vh, 8rem);
  left: 50%;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.4rem 1rem 0.4rem 0.75rem;
  border: 1px solid rgba(255, 106, 94, 0.45);
  background: linear-gradient(90deg, rgba(48, 10, 8, 0.72), rgba(24, 6, 6, 0.55));
  clip-path: polygon(0.6rem 0, 100% 0, calc(100% - 0.6rem) 100%, 0 100%);
  opacity: 0;
  transform: translate(-50%, -0.6rem);
  transition: opacity 0.5s ease, transform 0.5s var(--ease-cinematic);
}

.is-alert .caution {
  opacity: 1;
  transform: translate(-50%, 0);
  animation: caution-pulse 1s ease-in-out infinite;
}

.caution i {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--red);
  box-shadow: 0 0 12px var(--red);
  transform: rotate(45deg);
}

.caution strong {
  color: #ffd9d3;
  font-family: var(--tech);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.caution span {
  color: rgba(255, 197, 190, 0.72);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
}

/* Alert state recolours the whole projection rather than one widget. */
.is-alert .hud {
  --hud: #ff9a6d;
  --hud-bright: #ffe0cf;
}

.is-alert .cluster {
  filter: drop-shadow(0 0 16px rgba(190, 70, 40, 0.45));
}

/* ----------------------------------------------------------- journey tape */

.tape {
  position: absolute;
  right: var(--gutter);
  bottom: clamp(2.4rem, 6vh, 4rem);
  left: var(--gutter);
  display: grid;
  gap: 0.4rem;
  transform: perspective(1200px) rotateX(9deg);
  transform-origin: bottom center;
}

.tape__head {
  display: flex;
  justify-content: space-between;
  color: rgba(126, 172, 196, 0.72);
  font-family: var(--mono);
  font-size: 0.46rem;
  letter-spacing: 0.2em;
}

.tape__marks {
  position: relative;
  height: 1.2rem;
}

.tape__mark {
  position: absolute;
  bottom: 0;
  display: grid;
  justify-items: center;
  gap: 0.2rem;
  color: rgba(126, 172, 196, 0.55);
  font-family: var(--mono);
  font-size: 0.44rem;
  letter-spacing: 0.12em;
  white-space: nowrap;
  transform: translateX(-50%);
  transition: color 0.5s ease, opacity 0.5s ease;
}

.tape__mark:first-child {
  justify-items: start;
  transform: translateX(0);
}

.tape__mark:last-child {
  justify-items: end;
  transform: translateX(-100%);
}

.tape__mark b {
  font-weight: 400;
}

.tape__mark::after {
  width: 1px;
  height: 0.34rem;
  background: currentColor;
  content: "";
}

.tape__mark.is-passed {
  color: rgba(126, 232, 255, 0.55);
}

.tape__mark.is-active {
  color: var(--hud-bright);
  text-shadow: 0 0 10px rgba(126, 232, 255, 0.7);
}

.tape__rail {
  position: relative;
  height: 2px;
  background: rgba(150, 205, 235, 0.16);
}

.tape__rail i {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(111, 227, 255, 0.25), var(--hud));
  box-shadow: 0 0 10px var(--hud);
}

.tape__ship {
  position: absolute;
  top: 50%;
  left: 0;
  width: 0;
  height: 0;
  border-top: 0.26rem solid transparent;
  border-bottom: 0.26rem solid transparent;
  border-left: 0.46rem solid var(--hud-bright);
  filter: drop-shadow(0 0 6px rgba(126, 232, 255, 0.9));
  transform: translate(-30%, -50%);
}


/* ------------------------------------------------------------ camera hint */

.camera-hint {
  position: absolute;
  bottom: clamp(6rem, 12vh, 8.5rem);
  left: 50%;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgba(126, 232, 255, 0.14);
  background: rgba(4, 12, 22, 0.4);
  color: rgba(190, 220, 235, 0.7);
  font-family: var(--mono);
  font-size: 0.46rem;
  letter-spacing: 0.1em;
  transform: translateX(-50%);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.has-camera-input .camera-hint {
  opacity: 0;
  transform: translate(-50%, 0.5rem);
}

.camera-hint__mouse {
  position: relative;
  width: 0.66rem;
  height: 0.95rem;
  border: 1px solid currentColor;
  border-radius: 0.4rem;
}

.camera-hint__mouse::after {
  position: absolute;
  top: 0.14rem;
  left: 50%;
  width: 1px;
  height: 0.22rem;
  background: currentColor;
  content: "";
  transform: translateX(-50%);
}

/* -------------------------------------------------------- boot / shutdown */

.is-booting .cluster,
.is-booting .tape,
.is-booting .gunsight {
  animation: instrument-boot 0.9s var(--ease-cinematic) both;
}

.is-booting .cluster--right {
  animation-delay: 0.12s;
}

.is-booting .tape {
  animation-delay: 0.22s;
}

.cinema-bars::before,
.cinema-bars::after {
  position: fixed;
  z-index: 20;
  right: 0;
  left: 0;
  height: 0;
  background: #000;
  content: "";
  transition: height 1.2s var(--ease-cinematic);
}

.cinema-bars::before {
  top: 0;
}

.cinema-bars::after {
  bottom: 0;
}

.is-launching .cinema-bars::before,
.is-launching .cinema-bars::after {
  height: 7vh;
}

/* ---------------------------------------------------------- earth return */

.earth-return {
  visibility: hidden;
  position: fixed;
  z-index: 18;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.earth-return::before {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 50% 48%, transparent 0 8%, rgba(3, 16, 36, 0.16) 22%, rgba(0, 4, 13, 0.84) 48%, #01030a 68%);
  content: "";
  opacity: 0;
  transform: scale(1.4);
}

.is-returning .earth-return {
  visibility: visible;
  opacity: 1;
}

.is-returning .earth-return::before {
  animation: earth-return-shutter 2.7s var(--ease-cinematic) forwards;
}

.earth-return__horizon {
  position: absolute;
  top: 46%;
  left: 50%;
  width: min(80rem, 115vw);
  aspect-ratio: 2.7;
  border-top: 2px solid rgba(132, 224, 255, 0.82);
  border-radius: 50% 50% 0 0;
  box-shadow:
    0 -0.2rem 1.4rem rgba(83, 210, 255, 0.75),
    0 -2rem 8rem rgba(48, 113, 255, 0.4);
  opacity: 0;
  transform: translate(-50%, -30%) scale(1.5);
}

.is-returning .earth-return__horizon {
  animation: earth-horizon-collapse 2.2s ease forwards;
}

.earth-return__avatar {
  position: relative;
  z-index: 2;
  display: grid;
  width: clamp(6rem, 12vw, 9rem);
  aspect-ratio: 1;
  place-items: center;
  opacity: 0;
}

.earth-return__avatar span {
  position: absolute;
  inset: -18%;
  border: 1px solid rgba(126, 232, 255, 0.52);
  border-right-color: transparent;
  border-left-color: rgba(136, 104, 255, 0.3);
  border-radius: 50%;
  box-shadow: 0 0 2rem rgba(74, 189, 255, 0.35);
}

.earth-return__avatar img {
  width: 100%;
  filter: drop-shadow(0 0 1.8rem rgba(102, 221, 255, 0.68));
  image-rendering: pixelated;
}

.is-returning .earth-return__avatar {
  animation: earth-avatar-materialize 1.95s 0.85s var(--ease-cinematic) forwards;
}

.is-returning .earth-return__avatar span {
  animation: earth-avatar-ring 1.6s 0.9s ease-in-out infinite;
}

.earth-return__copy {
  position: absolute;
  z-index: 3;
  top: calc(50% + clamp(5.5rem, 11vw, 8rem));
  display: grid;
  gap: 0.45rem;
  opacity: 0;
  text-align: center;
}

.earth-return__copy small {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.22em;
}

.earth-return__copy strong {
  color: var(--cyan-bright);
  font-size: clamp(0.85rem, 1.4vw, 1.05rem);
  font-weight: 400;
  letter-spacing: 0.18em;
}

.is-returning .earth-return__copy {
  animation: earth-copy-in 0.8s 1.65s ease forwards;
}

.is-returning .hud,
.is-returning .cockpit,
.is-returning .topbar,
.is-returning .optical-fx {
  opacity: 0;
  transition: opacity 0.8s ease;
}

/* --------------------------------------------------------------- arrival */

.arrival {
  visibility: hidden;
  position: fixed;
  z-index: 15;
  top: 50%;
  left: 50%;
  width: min(42rem, calc(100vw - 3rem));
  padding: clamp(1.6rem, 4vw, 3.5rem);
  border: 1px solid rgba(150, 227, 255, 0.24);
  background: rgba(2, 9, 19, 0.72);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.5), inset 0 0 60px rgba(94, 202, 255, 0.045);
  clip-path: polygon(1.2rem 0, 100% 0, 100% calc(100% - 1.2rem), calc(100% - 1.2rem) 100%, 0 100%, 0 1.2rem);
  opacity: 0;
  text-align: center;
  transform: translate(-50%, -44%) scale(0.96);
  backdrop-filter: blur(24px);
  transition: opacity 1.4s ease, transform 1.4s var(--ease-cinematic), visibility 1.4s;
}

.is-arrived .arrival {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.arrival > small {
  display: block;
  margin-bottom: 1.25rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
}

.arrival h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: -0.045em;
}

.arrival p {
  color: var(--muted);
  font-weight: 300;
}

.arrival__actions {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2rem;
}

.arrival__actions button,
.arrival__actions a {
  padding: 0.85rem 1.2rem;
  border: 1px solid var(--line);
  background: rgba(12, 35, 52, 0.55);
  clip-path: polygon(0.5rem 0, 100% 0, 100% calc(100% - 0.5rem), calc(100% - 0.5rem) 100%, 0 100%, 0 0.5rem);
  cursor: pointer;
  font-family: var(--tech);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease;
}

.arrival__actions button:hover,
.arrival__actions a:hover {
  border-color: var(--cyan);
  background: rgba(30, 76, 99, 0.55);
}

/* ---------------------------------------------------------------- loader */

.loader {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 1.3rem;
  background: #02040b;
  transition: opacity 0.9s ease, visibility 0.9s;
}

.loader.is-hidden {
  visibility: hidden;
  opacity: 0;
}

.loader__badge {
  position: relative;
  display: grid;
  width: 7.5rem;
  aspect-ratio: 1;
  place-items: center;
}

.loader__badge i {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(126, 232, 255, 0.28);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: loader-spin 2.6s linear infinite;
}

.loader__badge img {
  width: 4.2rem;
  filter: drop-shadow(0 0 20px rgba(105, 219, 255, 0.45));
  image-rendering: pixelated;
  animation: loader-float 2.2s ease-in-out infinite;
}

.loader__track {
  position: relative;
  width: min(16rem, 58vw);
  height: 2px;
  overflow: hidden;
  background: rgba(151, 211, 238, 0.15);
}

.loader__track i {
  display: block;
  width: 8%;
  height: 100%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  transition: width 0.3s ease;
}

.loader span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.16em;
}

.fallback {
  position: fixed;
  z-index: 200;
  inset: 0;
  display: grid;
  place-content: center;
  background: #02040b;
}

/* ------------------------------------------------------------- keyframes */

@keyframes loader-float {
  50% {
    transform: translateY(-8px) rotate(3deg);
  }
}

@keyframes loader-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes reticle-breathe {
  50% {
    opacity: 0.45;
    transform: rotate(45deg) scale(1.7);
  }
}

@keyframes signal-wave {
  to {
    opacity: 0.38;
    transform: scaleY(0.55);
  }
}

@keyframes led-blink {
  0%,
  92%,
  100% {
    opacity: 1;
  }

  95% {
    opacity: 0.2;
  }
}

@keyframes value-alarm {
  50% {
    opacity: 0.35;
  }
}

@keyframes readout-lock {
  0% {
    opacity: 0.15;
    transform: translateX(0.35rem);
  }

  50% {
    opacity: 1;
  }

  75% {
    opacity: 0.4;
  }

  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes caution-pulse {
  50% {
    border-color: rgba(255, 106, 94, 0.9);
    box-shadow: 0 0 22px rgba(255, 80, 66, 0.35);
  }
}

@keyframes heat-flicker {
  50% {
    opacity: 0.82;
  }
}

@keyframes instrument-boot {
  0% {
    opacity: 0;
    filter: brightness(3);
    clip-path: inset(0 0 100% 0);
  }

  40% {
    opacity: 1;
    filter: brightness(1.8);
  }

  100% {
    opacity: 1;
    filter: brightness(1);
    clip-path: inset(0 0 0 0);
  }
}

@keyframes film-grain {
  0% {
    transform: translate(0, 0);
  }

  25% {
    transform: translate(3%, -2%);
  }

  50% {
    transform: translate(-2%, 4%);
  }

  75% {
    transform: translate(4%, 2%);
  }

  100% {
    transform: translate(-3%, -4%);
  }
}

@keyframes earth-return-shutter {
  0% {
    opacity: 0;
    transform: scale(1.4);
  }

  38% {
    opacity: 0.3;
  }

  100% {
    opacity: 1;
    transform: scale(0.82);
  }
}

@keyframes earth-horizon-collapse {
  0% {
    opacity: 0;
    transform: translate(-50%, -30%) scale(1.5);
  }

  20% {
    opacity: 1;
  }

  70% {
    opacity: 0.75;
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.2);
  }
}

/* The canvas behind this has quantised into pixel blocks by now, so the avatar
   arrives blown up and crisp: its own pixels read as the same grid resolving,
   where a blur-in would have contradicted it. */
@keyframes earth-avatar-materialize {
  0% {
    opacity: 0;
    transform: scale(4.6);
  }

  22% {
    opacity: 1;
    transform: scale(3.4);
  }

  70% {
    transform: scale(1.14);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes earth-avatar-ring {
  50% {
    opacity: 0.35;
    transform: rotate(180deg) scale(1.1);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes earth-copy-in {
  from {
    opacity: 0;
    transform: translateY(0.6rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----------------------------------------------------------- adaptations */

@media (max-width: 900px) {
  .cluster--left {
    top: clamp(5rem, 14vh, 9rem);
  }

  .gauge {
    width: 5.4rem;
  }

  .bars li {
    width: 8.6rem;
    grid-template-columns: 2.8rem 1fr 1.4rem;
  }
}

@media (max-width: 700px) {
  .topbar {
    grid-template-columns: 1fr 1fr;
  }

  .mission-id,
  .quality-toggle,
  .ladder,
  .heading,
  .roll,
  .bars li[data-key="reactor"] {
    display: none;
  }

  .cockpit__pillar {
    width: 16vw;
  }

  .cluster--left {
    top: 5.5rem;
    transform: translate3d(calc(var(--px) * 8px), calc(var(--py) * 6px), 0);
  }

  .cluster--right {
    bottom: 8.5rem;
    transform: translate3d(calc(var(--px) * 8px), calc(var(--py) * 6px), 0);
  }

  .gunsight {
    top: 44%;
  }

  /* Eight waypoint labels cannot share 430px, so only the live one is named. */
  .tape__mark:not(.is-active) b {
    display: none;
  }

  .tape__head span:first-child {
    display: none;
  }

  .caution {
    top: auto;
    bottom: 10.5rem;
  }

  .camera-hint {
    bottom: 7.5rem;
    width: max-content;
    max-width: 80vw;
  }

  .camera-hint__mouse {
    width: 0.9rem;
    height: 0.9rem;
    border-radius: 0.2rem;
    transform: rotate(-12deg);
  }

  .caution span {
    display: none;
  }

  .arrival__actions {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .optical-fx__grain {
    display: none;
  }
}