:root {
  color-scheme: dark;
  --bg: #07080b;
  --ink: #f4efe5;
  --muted: #b8b3a7;
  --line: rgba(244, 239, 229, 0.18);
  --panel: rgba(15, 17, 22, 0.82);
  --panel-strong: rgba(22, 24, 30, 0.94);
  --gold: #f4b84a;
  --coral: #ee6f5f;
  --teal: #4bb6a8;
  --green: #8eba63;
  --blue: #6f9bd8;
  --violet: #a77cc8;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 48%, rgba(244, 184, 74, 0.14), transparent 18rem),
    linear-gradient(145deg, #07080b 0%, #121016 38%, #171514 100%);
  color: var(--ink);
}

button,
a {
  font: inherit;
}

.system-shell {
  min-height: 100vh;
  overflow: hidden;
}

.system-stage {
  display: grid;
  grid-template-columns: minmax(12rem, 0.8fr) minmax(28rem, 1.35fr) minmax(20rem, 0.95fr);
  min-height: calc(100vh - 8.2rem);
  padding: clamp(1.25rem, 3vw, 3rem);
  gap: clamp(1rem, 2vw, 2rem);
  align-items: center;
  position: relative;
}

.system-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.5) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(255, 255, 255, 0.25) 0 1px, transparent 1.5px);
  background-position: 0 0, 5rem 4rem;
  background-size: 9rem 9rem, 13rem 13rem;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
  opacity: 0.35;
  pointer-events: none;
}

.stage-copy,
.project-panel,
.orbit-field,
.project-strip {
  position: relative;
  z-index: 1;
}

.kicker {
  margin: 0 0 0.65rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 8ch;
  margin: 0;
  font-size: clamp(3rem, 8vw, 7.6rem);
  line-height: 0.86;
  letter-spacing: 0;
}

.orbit-field {
  width: min(63vw, 42rem);
  aspect-ratio: 1;
  justify-self: center;
}

.orbit-rings,
.planet-layer,
.orbit,
.sun {
  position: absolute;
  inset: 0;
}

.orbit-rings span {
  position: absolute;
  inset: var(--ring);
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit-rings span:nth-child(1) { --ring: 32%; }
.orbit-rings span:nth-child(2) { --ring: 23%; }
.orbit-rings span:nth-child(3) { --ring: 14%; }
.orbit-rings span:nth-child(4) { --ring: 5%; }

.sun {
  width: clamp(6rem, 14vw, 10rem);
  height: clamp(6rem, 14vw, 10rem);
  margin: auto;
  border: 0;
  border-radius: 50%;
  color: #231303;
  cursor: pointer;
  background:
    radial-gradient(circle at 32% 30%, #fff3b2 0 12%, transparent 13%),
    radial-gradient(circle, #ffd16d 0 28%, #f29936 58%, #b84e33 100%);
  box-shadow: 0 0 3rem rgba(244, 184, 74, 0.7), 0 0 8rem rgba(238, 111, 95, 0.35);
}

.sun span {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-size: clamp(1.4rem, 3vw, 2.35rem);
  font-weight: 900;
}

.orbit {
  animation: revolve var(--duration) linear infinite;
  transform: rotate(var(--start));
}

.planet {
  position: absolute;
  top: 50%;
  left: calc(50% + var(--distance));
  width: var(--size);
  height: var(--size);
  padding: 0;
  border: 1px solid rgba(244, 239, 229, 0.34);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 1.7rem color-mix(in srgb, var(--accent), transparent 45%);
  cursor: pointer;
  transform: translate(-50%, -50%) rotate(var(--counter-start));
  animation: keep-upright var(--duration) linear infinite;
  overflow: hidden;
}

.planet::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.45), transparent 38%),
    radial-gradient(circle at 70% 70%, rgba(0, 0, 0, 0.5), transparent 45%);
  mix-blend-mode: screen;
}

.planet img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
  filter: saturate(0.92) contrast(1.08);
}

.planet span {
  position: absolute;
  left: 50%;
  top: calc(100% + 0.45rem);
  width: max-content;
  max-width: 9rem;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 740;
  line-height: 1.1;
  text-align: center;
  text-shadow: 0 0 0.5rem #000;
  transform: translateX(-50%);
}

.planet[aria-current="true"] {
  outline: 2px solid var(--ink);
  outline-offset: 0.25rem;
}

@keyframes revolve {
  to {
    transform: rotate(var(--end));
  }
}

@keyframes keep-upright {
  to {
    transform: translate(-50%, -50%) rotate(var(--counter-end));
  }
}

.project-panel {
  align-self: center;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1.2rem 4rem rgba(0, 0, 0, 0.28);
}

.project-media {
  aspect-ratio: 16 / 9;
  background: #1e1c18;
}

.project-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-copy {
  padding: clamp(1rem, 2vw, 1.4rem);
}

.project-meta,
.project-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.32rem 0.55rem;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 720;
  text-transform: uppercase;
}

h2 {
  margin: 0.85rem 0 0.7rem;
  font-size: clamp(1.45rem, 2.7vw, 2.35rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.project-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.48;
}

.project-facts {
  margin: 1rem 0 0;
}

.project-facts div {
  min-width: 8rem;
  flex: 1 1 8rem;
}

dt {
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 760;
  text-transform: uppercase;
}

dd {
  margin: 0.18rem 0 0;
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.3;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.project-actions a {
  display: inline-flex;
  min-height: 2.55rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.58rem 0.82rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 760;
  text-decoration: none;
  background: rgba(244, 239, 229, 0.08);
}

.project-actions a:first-child {
  border-color: transparent;
  color: #211506;
  background: var(--gold);
}

.project-strip {
  min-height: 8.2rem;
  padding: 0 1rem 1rem;
}

.project-strip > div {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(10rem, 1fr);
  gap: 0.7rem;
  max-width: 96rem;
  margin: 0 auto;
  overflow-x: auto;
  padding: 0.2rem;
}

.project-tab {
  display: grid;
  min-height: 5.2rem;
  align-content: space-between;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
  color: var(--ink);
  text-align: left;
  background: var(--panel-strong);
  cursor: pointer;
}

.project-tab strong {
  font-size: 0.9rem;
  line-height: 1.12;
}

.project-tab span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 720;
  text-transform: uppercase;
}

.project-tab[aria-current="true"] {
  border-color: var(--gold);
  background: rgba(244, 184, 74, 0.16);
}

@media (prefers-reduced-motion: reduce) {
  .orbit {
    animation-play-state: paused;
  }
}

@media (max-width: 980px) {
  .system-stage {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .stage-copy {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.6rem, 13vw, 5.8rem);
  }

  .orbit-field {
    width: min(92vw, 38rem);
  }

  .project-panel {
    max-width: 46rem;
    justify-self: center;
  }
}

@media (max-width: 640px) {
  .system-stage {
    padding: 1rem;
    gap: 1.1rem;
  }

  .stage-copy {
    display: block;
  }

  .orbit-field {
    width: min(94vw, 30rem);
  }

  .planet span {
    display: none;
  }

  .project-strip > div {
    grid-auto-columns: minmax(9rem, 76vw);
  }
}