:root {
  color-scheme: dark;
  --ink: #f7f8ff;
  --muted: #aeb5ce;
  --cyan: #57d7ff;
  --magenta: #ed70ff;
  --panel: rgba(8, 11, 28, 0.62);
  --panel-hover: rgba(14, 20, 46, 0.78);
  --line: rgba(196, 215, 255, 0.22);
  --parallax-x: 0px;
  --parallax-y: 0px;
  --ambient-duration: 16s;
  --network-opacity: 0.42;
  --energy-opacity: 0.42;
  --aurora-opacity: 0.24;
  --cosmic-opacity: 0.9;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: #050711;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background: #050711;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.scene,
.backdrop,
.network,
.aurora,
.vignette {
  position: fixed;
  inset: 0;
}

.scene {
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, rgba(30, 35, 79, 0.35), transparent 44%),
    #050711;
  pointer-events: none;
}

.backdrop {
  inset: -3.5%;
  animation: ambient-float var(--ambient-duration) ease-in-out infinite alternate;
  will-change: transform;
}

.backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.74;
  filter: saturate(0.88) contrast(1.06) brightness(0.66);
  transform: scale(1.045) translate3d(var(--parallax-x), var(--parallax-y), 0);
  transition: transform 170ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.network {
  width: 100%;
  height: 100%;
  opacity: var(--network-opacity);
  transition: opacity 180ms ease-out;
}

.energy-orbit {
  position: fixed;
  top: 48%;
  left: 50%;
  width: min(76vw, 920px);
  aspect-ratio: 2.35;
  border: 1px solid rgba(85, 215, 255, 0.24);
  border-radius: 50%;
  box-shadow:
    0 0 30px rgba(72, 205, 255, 0.08),
    inset 0 0 24px rgba(230, 88, 255, 0.06);
  transform: translate(-50%, -50%) rotate(-8deg);
  opacity: var(--energy-opacity);
  animation: orbit-pulse 6.5s ease-in-out infinite;
  transition: opacity 180ms ease-out;
}

.aurora {
  inset: -15%;
  background:
    radial-gradient(ellipse at 20% 38%, rgba(69, 205, 255, 0.17), transparent 34%),
    radial-gradient(ellipse at 78% 62%, rgba(236, 91, 255, 0.14), transparent 38%);
  mix-blend-mode: screen;
  opacity: var(--aurora-opacity, 0.24);
  animation: aurora-drift 11s ease-in-out infinite alternate;
  transition: opacity 180ms ease-out;
}

.cosmic-sun,
.planet {
  position: fixed;
  pointer-events: none;
  opacity: var(--cosmic-opacity);
  transition: opacity 180ms ease-out;
}

.solar-system {
  position: fixed;
  top: 52%;
  left: 50%;
  width: min(82vw, 780px, 82vh);
  aspect-ratio: 1;
  z-index: 0;
  pointer-events: none;
  opacity: var(--cosmic-opacity);
  transform: translate(-50%, -50%);
  transition: opacity 180ms ease-out;
}
.galaxy-view { position: fixed; top: 50%; left: 50%; z-index: 0; width: min(88vw, 88vh); aspect-ratio: 1; opacity: 0; transform: translate(-50%, -50%) scale(0.35); transition: opacity 1.2s ease, transform 1.6s cubic-bezier(.16,1,.3,1); pointer-events: none; }
.galaxy-core { position:absolute; inset:42%; border-radius:50%; background:#fff7cf; box-shadow:0 0 22px 13px #f9c560,0 0 90px 46px rgba(204,105,255,.4); }
.galaxy-arm { position:absolute; inset:12%; border:3px solid rgba(115,191,255,.32); border-left-color:rgba(237,112,255,.55); border-radius:50%; filter:blur(1px); transform:rotate(-25deg) skewX(24deg); }
.arm-two { transform:rotate(155deg) skewX(24deg); }
.galaxy-earth { position:absolute; top:44%; left:75%; width:clamp(8px,1.1vw,15px); aspect-ratio:1; border-radius:50%; background:radial-gradient(circle at 30% 25%,#d5ffff,#359dd1 38%,#16497a); box-shadow:0 0 14px #74dcff; animation:galaxy-earth-orbit 12s linear infinite; transform-origin:-1050% 38%; }
.view-toggle { width:100%; margin-top:.35rem; padding:.42rem; border:1px solid rgba(237,112,255,.35); border-radius:.38rem; background:rgba(237,112,255,.08); color:var(--ink); font:inherit; letter-spacing:.06em; text-transform:uppercase; cursor:pointer; }
.view-toggle:focus-visible { outline:2px solid var(--magenta); outline-offset:2px; }
.location-consent { width:100%; margin-top:.35rem; padding:.42rem; border:1px solid rgba(87,215,255,.35); border-radius:.38rem; background:rgba(87,215,255,.08); color:var(--ink); font:inherit; letter-spacing:.04em; cursor:pointer; }
.location-consent:disabled { cursor:default; opacity:.62; }
.location-note { display:block; margin-top:.3rem; color:var(--muted); font-size:.58rem; line-height:1.35; letter-spacing:.02em; text-transform:none; }
.earth-focus { position:fixed; inset:0; z-index:2; display:grid; place-items:center; visibility:hidden; opacity:0; pointer-events:none; transition:opacity .8s ease,visibility 0s linear .8s; }
.focus-earth { width:min(52vw,52vh); filter:drop-shadow(0 0 32px rgba(92,196,255,.7)); animation:earth-rotation 24s linear infinite; }
.moon-orbit { position:absolute; width:min(78vw,78vh); aspect-ratio:1; animation:moon-orbit 12s linear infinite; }
.focus-moon { position:absolute; top:50%; right:0; width:min(15vw,15vh); transform:translateY(-50%); filter:drop-shadow(0 0 12px rgba(255,255,255,.35)); animation:moon-counter-rotation 12s linear infinite; }
[data-view="earth"] .solar-system,[data-view="earth"] .galaxy-view { opacity:0; transform:translate(-50%,-50%) scale(.3); }
[data-view="earth"] .earth-focus { visibility:visible; opacity:1; transition-delay:0s; }
[data-view="galaxy"] .solar-system { opacity:0; transform:translate(-50%,-50%) scale(0.35); }
[data-view="galaxy"] .galaxy-view { opacity:var(--cosmic-opacity); transform:translate(-50%,-50%) scale(1); }
[data-motion-paused="true"] .galaxy-earth { animation-play-state:paused; }

.solar-sun {
  position: absolute;
  top: 50%;
  left: 50%;
  width: clamp(48px, 8vw, 94px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 32%, #fffde2 0 7%, #fff3a3 18%, #ffc247 45%, #f47b28 72%, #bd3c2f 100%);
  box-shadow:
    0 0 18px #fff0a0,
    0 0 46px rgba(255, 181, 62, 0.95),
    0 0 96px rgba(255, 93, 40, 0.65),
    0 0 160px rgba(255, 67, 174, 0.34);
  transform: translate(-50%, -50%);
  animation: solar-flare 3.2s ease-in-out infinite;
}

.solar-sun::before,
.solar-sun::after {
  content: "";
  position: absolute;
  inset: -22%;
  border: 1px solid rgba(255, 185, 71, 0.36);
  border-radius: 50%;
  animation: corona-pulse 4.4s ease-in-out infinite;
}

.solar-sun::after { inset: -42%; border-color: rgba(255, 103, 83, 0.18); animation-delay: -1.8s; }

.solar-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--orbit-size);
  aspect-ratio: 1;
  border: 1px solid rgba(179, 201, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
}

.simulation-time {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top));
  right: max(1rem, env(safe-area-inset-right));
  z-index: 3;
  display: grid;
  gap: 0.12rem;
  margin: 0;
  padding: 0.58rem 0.75rem;
  border: 1px solid rgba(196, 215, 255, 0.2);
  border-radius: 0.65rem;
  background: rgba(5, 7, 17, 0.58);
  backdrop-filter: blur(8px);
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.13em;
  line-height: 1.25;
  text-transform: uppercase;
  min-width: 11.5rem;
}

.simulation-time time { color: var(--ink); font-size: 0.76rem; letter-spacing: 0.08em; }
.simulation-content { display: grid; gap: 0.12rem; }
.simulation-time > summary { display: none; }
.simulation-time input {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.34rem 0.42rem;
  border: 1px solid rgba(196, 215, 255, 0.28);
  border-radius: 0.38rem;
  background: rgba(11, 15, 35, 0.9);
  color: var(--ink);
  color-scheme: dark;
  font: inherit;
  letter-spacing: 0.04em;
}
.timeline-speed { display:flex; justify-content:space-between; gap:.4rem; margin-top:.42rem; color:var(--muted); font-size:.58rem; letter-spacing:.08em; }
.timeline-speed output { color:var(--cyan); text-transform:none; letter-spacing:.02em; }
#timeline-speed { accent-color:var(--cyan); }
.timeline-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 0.35rem; margin-top: 0.28rem; }
.timeline-actions button {
  padding: 0.4rem 0.3rem;
  border: 1px solid rgba(87, 215, 255, 0.3);
  border-radius: 0.38rem;
  background: rgba(87, 215, 255, 0.08);
  color: var(--ink);
  font: inherit;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}
.timeline-actions button:hover { background: rgba(87, 215, 255, 0.18); }
.timeline-actions button:focus-visible,
.simulation-time input:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.timeline-actions button[aria-pressed="true"] { border-color: var(--magenta); color: #ffd9ff; }

.roaming-ufo { position: fixed; top: 0; left: 0; z-index: 1; width: 3.5rem; height: 1.4rem; border: 1px solid rgba(182, 231, 255, 0.8); border-radius: 50%; background: radial-gradient(ellipse at 50% 20%, #f2fdff 0 10%, #91c7e6 35%, #355b93 72%, #162043 100%); box-shadow: 0 0 9px rgba(111, 224, 255, 0.8), 0 0 26px rgba(76, 145, 255, 0.5); opacity: 0.82; pointer-events: none; animation: ufo-roam 48s ease-in-out infinite; }
.roaming-ufo::before { content: ""; position: absolute; top: -0.45rem; left: 0.75rem; width: 2rem; height: 0.75rem; border: 1px solid rgba(208, 247, 255, 0.72); border-bottom: 0; border-radius: 50% 50% 0 0; background: rgba(113, 204, 255, 0.25); }
.roaming-ufo span { position: absolute; right: 0.35rem; bottom: -0.48rem; width: 2.8rem; height: 0.55rem; border-radius: 50%; background: radial-gradient(ellipse, rgba(87, 215, 255, 0.72), transparent 70%); filter: blur(2px); }

.solar-planet {
  position: absolute;
  top: 50%;
  left: 100%;
  display: block;
  width: var(--planet-size);
  aspect-ratio: 1;
  border-radius: 50%;
  box-shadow: inset -8px -6px 10px rgba(0, 0, 24, 0.58), 0 0 14px rgba(132, 199, 255, 0.3);
  transform: translate(-50%, -50%);
}
.solar-planet::before { content:attr(data-label); position:absolute; top:calc(100% + .35rem); left:50%; padding:.15rem .28rem; border:1px solid rgba(153,220,255,.32); border-radius:.25rem; background:rgba(5,7,17,.78); color:#f7f8ff; font:600 .55rem/1 system-ui,sans-serif; letter-spacing:.05em; opacity:0; transform:translateX(-50%) translateY(-2px); white-space:nowrap; transition:opacity .2s ease,transform .2s ease; pointer-events:none; }
[data-show-labels="true"] .solar-planet::before { opacity:1; transform:translateX(-50%) translateY(0); }

.mercury { --planet-size: clamp(5px, 1vw, 10px); background: radial-gradient(circle at 32% 28%, #dfd4c0, #877665 66%, #342e32); }
.venus { --planet-size: clamp(9px, 1.5vw, 17px); background: radial-gradient(circle at 32% 27%, #fff0ae, #d28a42 55%, #6a352d); }
.earth { --planet-size: clamp(10px, 1.7vw, 20px); background: radial-gradient(circle at 34% 27%, #d7f7ff 0 9%, #238cc2 32%, #1f6d8f 53%, #0d294d 100%); }
.earth::after { content: ""; position: absolute; inset: 14% 8% 28% 38%; border-radius: 50%; background: #55ae68; transform: rotate(-18deg); box-shadow: -5px 6px 0 -2px #318b58; }
.mars { --planet-size: clamp(8px, 1.45vw, 16px); background: radial-gradient(circle at 30% 28%, #ffb078, #bd4e3d 50%, #5d2636); }
.jupiter { --planet-size: clamp(22px, 3.7vw, 42px); background: repeating-linear-gradient(0deg, #c9815e 0 11%, #f0d2a5 12% 23%, #ab5b4b 24% 31%, #e8bc86 32% 43%); }
.saturn { --planet-size: clamp(18px, 3.2vw, 36px); background: radial-gradient(circle at 31% 28%, #f6dfad, #c29b67 64%, #6c4e49); }
.saturn b { position: absolute; top: 45%; left: 50%; width: 180%; height: 42%; border: 2px solid rgba(234, 205, 151, 0.76); border-radius: 50%; transform: translate(-50%, -50%) rotate(-16deg); }
.uranus { --planet-size: clamp(13px, 2.3vw, 25px); background: radial-gradient(circle at 30% 28%, #c8fbff, #66c8d2 62%, #25658a); }
.neptune { --planet-size: clamp(13px, 2.3vw, 25px); background: radial-gradient(circle at 30% 28%, #9ac5ff, #3a65c7 58%, #1a255f); }

.orbit-mercury { --orbit-size: 19%; }
.orbit-venus { --orbit-size: 27%; }
.orbit-earth { --orbit-size: 36%; }
.orbit-mars { --orbit-size: 46%; }
.orbit-jupiter { --orbit-size: 59%; }
.orbit-saturn { --orbit-size: 70%; }
.orbit-uranus { --orbit-size: 80%; }
.orbit-neptune { --orbit-size: 91%; }

.cosmic-sun {
  top: 12%;
  right: 13%;
  width: clamp(80px, 11vw, 180px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 37% 34%, #fff7c4 0 4%, #ffd36c 17%, #ff8a5b 43%, rgba(255, 76, 174, 0.28) 63%, transparent 72%);
  box-shadow: 0 0 42px rgba(255, 144, 94, 0.32), 0 0 100px rgba(255, 71, 182, 0.18);
  animation: sun-breathe 5s ease-in-out infinite;
}

.planet {
  width: clamp(36px, 5vw, 84px);
  aspect-ratio: 1;
  border-radius: 50%;
  box-shadow: inset -14px -11px 18px rgba(0, 0, 21, 0.68), 0 0 28px rgba(103, 186, 255, 0.2);
}

.planet-one {
  top: 63%;
  left: 8%;
  background: radial-gradient(circle at 32% 26%, #bae6ff 0 5%, #4a97df 34%, #243c83 65%, #0e1036 100%);
  animation: planet-one-float 12s ease-in-out infinite alternate;
}

.planet-two {
  right: 8%;
  bottom: 13%;
  background: radial-gradient(circle at 32% 25%, #ffd4fb 0 5%, #b963db 31%, #512578 66%, #190d32 100%);
  animation: planet-two-float 15s ease-in-out infinite alternate;
}

.energy-orbit::after {
  content: "";
  position: absolute;
  inset: 10%;
  border: 1px solid rgba(232, 93, 255, 0.15);
  border-radius: inherit;
}

.vignette {
  background:
    linear-gradient(180deg, rgba(2, 3, 12, 0.45), transparent 28%, transparent 68%, rgba(2, 3, 12, 0.74)),
    radial-gradient(circle at center, transparent 22%, rgba(2, 3, 12, 0.48) 100%);
  opacity: 0;
  transition: opacity 180ms ease-out;
}

.portal {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  min-height: 100vh;
  min-height: 100svh;
  width: min(100% - 40px, 920px);
  margin: 0 auto;
  padding: clamp(54px, 10vh, 110px) 0 42px;
}

.identity {
  position: relative;
  top: calc(-1 * clamp(118px, 17vh, 170px));
  text-align: center;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.9);
  animation: reveal 900ms 80ms both cubic-bezier(0.2, 0.8, 0.2, 1);
}

.signal {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: #cbd2e8;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.signal span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: signal-pulse 2.8s ease-in-out infinite;
}

h1 {
  margin: 0;
  font-size: clamp(2.9rem, 9vw, 7.2rem);
  font-weight: 740;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

h1 span {
  color: #bdc8e1;
  font-weight: 320;
}

.destinations {
  position: relative;
  top: clamp(64px, 9vh, 104px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  width: min(100%, 720px);
  margin: clamp(54px, 9vh, 88px) auto 0;
  animation: reveal 900ms 240ms both cubic-bezier(0.2, 0.8, 0.2, 1);
}

.destination-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  min-height: 94px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.24);
  color: var(--ink);
  text-align: left;
  text-decoration: none;
  backdrop-filter: blur(18px) saturate(1.1);
  -webkit-backdrop-filter: blur(18px) saturate(1.1);
  transition: transform 150ms ease, border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
}

a.destination-card:hover {
  transform: translateY(-6px) scale(1.012);
  border-color: rgba(87, 215, 255, 0.62);
  background: var(--panel-hover);
  box-shadow: 0 22px 80px rgba(16, 111, 184, 0.16);
}

a.destination-card:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.destination-card.unavailable {
  cursor: default;
  opacity: 0.72;
}

.card-index {
  color: #8792b3;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.card-copy {
  display: grid;
  gap: 5px;
}

.card-copy strong {
  font-size: 0.98rem;
  letter-spacing: 0.01em;
}

.card-copy small {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.75rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status {
  border: 1px solid rgba(237, 112, 255, 0.28);
  border-radius: 999px;
  padding: 5px 8px;
  color: #efc7f8;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.arrow {
  color: var(--cyan);
  font-size: 1.25rem;
  transition: transform 140ms ease;
}

.visual-control {
  position: fixed;
  right: clamp(14px, 2.5vw, 34px);
  bottom: clamp(14px, 2.5vw, 28px);
  z-index: 2;
  width: min(224px, calc(100vw - 28px));
  padding: 0;
  border: 1px solid rgba(196, 215, 255, 0.18);
  border-radius: 13px;
  background: rgba(5, 8, 22, 0.66);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.visual-control summary {
  display: flex;
  justify-content: space-between;
  cursor: pointer;
  padding: 12px 14px;
  color: #cbd2e8;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  list-style: none;
  text-transform: uppercase;
}

.visual-control summary::-webkit-details-marker { display: none; }
.visual-control summary span { color: var(--cyan); font-size: 0.55rem; letter-spacing: 0.08em; }
.control-body { padding: 2px 14px 14px; border-top: 1px solid rgba(196, 215, 255, 0.14); }

.visual-control label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 12px 0 6px;
  color: #cbd2e8;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.visual-control output {
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.04em;
}

.visual-control input {
  display: block;
  width: 100%;
  height: 18px;
  margin: 0;
  accent-color: var(--cyan);
  cursor: pointer;
}

#motion-pause {
  width: 100%;
  margin-top: 14px;
  border: 1px solid rgba(87, 215, 255, 0.35);
  border-radius: 8px;
  padding: 8px;
  background: rgba(87, 215, 255, 0.1);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.67rem;
  font-weight: 700;
}

#motion-pause:hover { background: rgba(87, 215, 255, 0.19); }
#motion-pause:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

[data-motion-paused="true"] .backdrop,
[data-motion-paused="true"] .energy-orbit,
[data-motion-paused="true"] .aurora,
[data-motion-paused="true"] .cosmic-sun,
[data-motion-paused="true"] .planet,
[data-motion-paused="true"] .solar-sun,
[data-motion-paused="true"] .roaming-ufo,
[data-motion-paused="true"] .signal span { animation-play-state: paused; }

.visual-control input:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

a.destination-card:hover .arrow {
  transform: translate(4px, -4px);
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes orbit-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) rotate(-8deg) scale(0.98);
  }
  50% {
    transform: translate(-50%, -50%) rotate(-4deg) scale(1.025);
  }
}

@keyframes aurora-drift {
  from { transform: translate3d(-2%, 1%, 0) rotate(-4deg) scale(1.03); }
  to { transform: translate3d(2%, -1%, 0) rotate(5deg) scale(1.08); }
}

@keyframes sun-breathe {
  0%, 100% { transform: scale(0.96); filter: brightness(0.86); }
  50% { transform: scale(1.08); filter: brightness(1.2); }
}

@keyframes planet-one-float {
  from { transform: translate3d(0, 0, 0) rotate(-6deg); }
  to { transform: translate3d(24px, -32px, 0) rotate(7deg); }
}

@keyframes planet-two-float {
  from { transform: translate3d(0, 0, 0) rotate(8deg); }
  to { transform: translate3d(-28px, 22px, 0) rotate(-8deg); }
}

@keyframes solar-flare { 0%, 100% { filter: brightness(0.9) saturate(0.95); } 50% { filter: brightness(1.18) saturate(1.14); } }
@keyframes ufo-roam { 0% { transform: translate(-12vw, 22vh) rotate(7deg); } 18% { transform: translate(25vw, 14vh) rotate(-4deg); } 38% { transform: translate(66vw, 27vh) rotate(8deg); } 58% { transform: translate(83vw, 62vh) rotate(13deg); } 76% { transform: translate(44vw, 78vh) rotate(-7deg); } 100% { transform: translate(-12vw, 22vh) rotate(7deg); } }
@keyframes galaxy-earth-orbit { from { rotate:0deg; } to { rotate:360deg; } }
@keyframes earth-rotation { from { transform:rotate(0deg); } to { transform:rotate(360deg); } }
@keyframes moon-orbit { from { transform:rotate(0deg); } to { transform:rotate(360deg); } }
@keyframes moon-counter-rotation { from { rotate:0deg; } to { rotate:-360deg; } }
@keyframes corona-pulse { 0%, 100% { opacity: 0.35; transform: scale(0.95); } 50% { opacity: 0.8; transform: scale(1.06); } }

@keyframes ambient-float {
  0% {
    transform: translate3d(-0.7%, 0.5%, 0) scale(1.012);
  }
  48% {
    transform: translate3d(0.35%, -0.7%, 0) scale(1.026);
  }
  100% {
    transform: translate3d(0.85%, 0.35%, 0) scale(1.018);
  }
}

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

@media (max-width: 680px) {
  .simulation-time {
    display: block;
    min-width: 0;
    max-width: calc(100vw - 32px);
    max-height: calc(100svh - 32px);
    overflow: auto;
    background: rgba(5, 7, 17, 0.94);
  }
  .simulation-time > summary {
    display: list-item;
    min-height: 44px;
    padding: 14px 4px;
    cursor: pointer;
    color: var(--ink);
    font: 600 12px/16px system-ui, sans-serif;
    letter-spacing: 0;
  }
  .simulation-time:not([open]) .simulation-content { display: none; }
  .simulation-time[open] { width: 220px; }
  .simulation-time > summary:focus-visible { outline: 2px solid var(--cyan); }

  .portal {
    width: min(100% - 28px, 480px);
    padding-bottom: 26px;
  }

  h1 {
    font-size: clamp(2.65rem, 14vw, 4.3rem);
    line-height: 0.94;
  }

  h1 span {
    display: block;
    margin-top: 0.16em;
    font-size: 0.58em;
    letter-spacing: -0.04em;
  }

  .destinations {
    grid-template-columns: 1fr;
    margin-top: clamp(42px, 8vh, 68px);
  }

  .destination-card {
    min-height: 84px;
  }

  .energy-orbit {
    width: 125vw;
  }

  .solar-system { top: 48%; width: min(86vw, 78vh); }

  .visual-control {
    right: 14px;
    bottom: 14px;
    width: 170px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .backdrop img {
    transform: scale(1.035);
  }

  .backdrop {
    transform: none;
  }

}

@media (prefers-contrast: more) {
  .destination-card {
    border-color: rgba(255, 255, 255, 0.62);
    background: rgba(2, 4, 15, 0.9);
  }

  .card-copy small,
  .signal {
    color: #fff;
  }
}