/* The roadmap: the giant Ringshadow and a ring of milestone moons. By
   default (phones, reduced motion) it reads as a plain list under a still
   picture of the giant. On a wide screen with motion allowed, the giant
   stays in view and the ring turns with the scroll ("orbit mode"). */

:root {
  --done: var(--gold);
  --next: var(--cyan);
  --later: var(--violet);
}

/* ---------- Intro and legend ---------- */

.rm-intro { padding-top: 28px; padding-bottom: 12px; }
.orbit-hint { display: none; }
.rm-intro h1 {
  font-family: var(--mark); font-weight: 800;
  font-size: clamp(2.2rem, 6.4vw, 4rem);
  letter-spacing: 0.04em; text-transform: uppercase;
  background: linear-gradient(90deg, #fff 0%, var(--ice) 35%, var(--soft) 60%, #3b6f8c 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.rm-intro .lede { max-width: 58ch; }

.legend {
  list-style: none; padding: 0; margin: 24px 0 0;
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  font-size: 1.05rem; color: var(--soft);
}
.legend li { display: flex; align-items: center; gap: 10px; }
.legend b { letter-spacing: 0.16em; font-weight: 700; }
.legend li:nth-child(1) b { color: var(--done); }
.legend li:nth-child(2) b { color: var(--next); }
.legend li:nth-child(3) b { color: var(--later); }

.dot { width: 16px; height: 16px; border-radius: 50%; flex: none; display: inline-block; }
.dot.done {
  background: radial-gradient(circle at 32% 34%, #fff 0%, #ffe7b0 30%, var(--gold) 70%, #7a5a1c 100%);
  box-shadow: 0 0 12px rgba(255, 204, 82, 0.7);
}
.dot.next {
  background: linear-gradient(90deg, var(--ice) 50%, #06202e 50%);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 10px rgba(89, 217, 255, 0.6);
}
.dot.later { background: #0a1626; border: 1.5px dashed var(--violet); }

/* ---------- The stage: the giant ---------- */

.stage {
  position: relative;
  height: min(78vw, 520px);
  margin: 8px 0 0;
  overflow: hidden;
}
.sun {
  position: absolute; left: -20%; top: -30%; width: 80%; height: 90%;
  background: radial-gradient(closest-side, rgba(255, 226, 168, 0.22), rgba(255, 204, 82, 0.06) 55%, transparent);
  pointer-events: none;
  opacity: var(--sun, 1);
}
.giant { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }

.track { stroke: rgba(140, 217, 242, 0.28); stroke-width: 1.2; stroke-dasharray: 2 7; }

.moon { cursor: pointer; }
.moon .body { transition: r 0.3s; }
.moon.done .body { fill: url(#moonDone); filter: url(#bloom); }
.moon.next .body { fill: url(#moonNext); stroke: var(--cyan); stroke-width: 2.5; }
.moon.later .body { fill: #0a1626; stroke: var(--violet); stroke-width: 1.4; stroke-dasharray: 3 3; opacity: 0.85; }
.moon .halo { fill: none; stroke-width: 1.5; opacity: 0; }
.moon.next .halo { stroke: var(--cyan); opacity: 0.6; animation: pulse 2.4s ease-out infinite; transform-box: fill-box; transform-origin: center; }
.moon.active .halo { opacity: 1; stroke: var(--ice); animation: pulse 1.8s ease-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes pulse {
  from { transform: scale(1); opacity: 0.9; }
  to { transform: scale(2.2); opacity: 0; }
}
.now-mark polygon { fill: var(--cyan); }
.now-mark text, .tag-text {
  font-family: var(--hud); font-weight: 700; letter-spacing: 0.18em;
  font-size: 15px; fill: var(--cyan); text-transform: uppercase;
}
.now-mark text { font-size: 17px; paint-order: stroke; stroke: rgba(3, 9, 18, 0.9); stroke-width: 5px; }
.tag-text { fill: var(--ice); font-size: 18px; paint-order: stroke; stroke: rgba(3, 9, 18, 0.85); stroke-width: 5px; }
.tag-line { stroke: var(--ice); stroke-width: 1; opacity: 0.7; }

.readout {
  position: absolute; left: 16px; top: 14px;
  display: flex; flex-direction: column; gap: 2px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.85rem;
  color: var(--soft);
}
.ro-count { font-size: 1.5rem; color: var(--ice); letter-spacing: 0.12em; font-variant-numeric: tabular-nums; }
.ro-status[data-s="done"] { color: var(--done); }
.ro-status[data-s="next"] { color: var(--next); }
.ro-status[data-s="later"] { color: var(--later); }

.stage-legend {
  position: absolute; left: 16px; bottom: 14px;
  list-style: none; margin: 0; padding: 8px 12px;
  display: flex; gap: 14px;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.16em; color: var(--soft);
  background: rgba(3, 9, 18, 0.6); border: 1px solid var(--panel-edge); border-radius: 3px;
}
.stage-legend li { display: flex; align-items: center; gap: 6px; }
.stage-legend .dot { width: 11px; height: 11px; }

/* ---------- The list (always there; the source of the moons) ---------- */

.eras { padding: 0 var(--gutter); max-width: 920px; margin: 0 auto; }
@media (max-width: 600px) {
  .readout, .stage-legend { display: none; }
  .stage { height: 64vw; }
}
.era { position: relative; }
.era-head { padding: 48px 0 8px; }
.era-head h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.era-head p:last-child { color: var(--soft); }

.ms-list { list-style: none; margin: 0; padding: 0 0 0 30px; position: relative; }
/* The ring, unrolled: a line down the list, golden in the sun, cyan at
   the terminator and violet in the shadow. */
.ms-list::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px;
  background: var(--line, var(--done)); opacity: 0.5;
}
.era:nth-of-type(4) .ms-list { --line: var(--next); }
.era:nth-of-type(5) .ms-list { --line: repeating-linear-gradient(var(--later) 0 6px, transparent 6px 12px); }

.ms {
  position: relative;
  margin: 0 0 18px; padding: 18px 20px 14px;
  background: var(--panel);
  border: 1px solid var(--panel-edge); border-radius: 4px;
}
.ms::before {
  content: ""; position: absolute; left: -30px; top: 22px;
  width: 18px; height: 18px; border-radius: 50%;
}
.ms[data-status="done"]::before {
  background: radial-gradient(circle at 32% 34%, #fff 0%, #ffe7b0 30%, var(--gold) 70%, #7a5a1c 100%);
  box-shadow: 0 0 12px rgba(255, 204, 82, 0.7);
}
.ms[data-status="next"]::before {
  background: linear-gradient(90deg, var(--ice) 50%, #06202e 50%);
  border: 2px solid var(--cyan); box-shadow: 0 0 10px rgba(89, 217, 255, 0.6);
}
.ms[data-status="later"]::before { background: #0a1626; border: 1.5px dashed var(--violet); }
.ms[data-status="done"] { border-left: 3px solid var(--done); }
.ms[data-status="next"] { border-left: 3px solid var(--next); }
.ms[data-status="later"] { border-left: 3px dashed var(--later); }

.ms h3 { font-size: 1.55rem; margin: 6px 0 6px; }
.ms p { margin-bottom: 8px; }
.ms ul { margin: 0 0 4px; padding-left: 20px; color: var(--soft); font-size: 1.08rem; }
.ms ul li::marker { color: var(--cyan); }
.ms-meta { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; color: var(--muted); letter-spacing: 0.1em; }
.ms-meta time, .ms-meta .tagline { font-weight: 600; font-variant-numeric: tabular-nums; }

.chip {
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.82rem;
  padding: 2px 9px 1px; border-radius: 2px;
}
.chip.done { background: var(--done); color: var(--glass); }
.chip.next { background: transparent; color: var(--next); border: 1px solid var(--next); box-shadow: inset 0 0 10px rgba(89, 217, 255, 0.25); }
.chip.later { background: transparent; color: var(--later); border: 1px dashed var(--later); }

.rm-foot { padding: 30px 0 0; font-size: 1rem; }

/* ---------- Orbit mode ---------- */

@media (min-width: 901px) and (prefers-reduced-motion: no-preference) {
  .orbit {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(360px, 1fr);
    align-items: start;
  }
  .stage {
    position: sticky; top: var(--nav-h);
    height: calc(100vh - var(--nav-h));
    margin: 0;
    overflow: visible;
  }
  .giant { inset: 4% 0 4% 2%; width: 98%; height: 92%; }
  .readout { left: var(--gutter); top: 24px; }
  .stage-legend { left: var(--gutter); bottom: 24px; }

  .eras { padding: 0 var(--gutter) 30vh 12px; max-width: none; margin: 0; }
  .orbit-hint { display: inline; }
  .rm-intro { padding-top: 9vh; }
  .rm-intro h1 { font-size: clamp(2.2rem, 3.4vw, 3.4rem); }
  .legend { flex-direction: column; gap: 8px; }
  .era-head { padding: 22vh 0 0; }
  .ms {
    min-height: 0;
    margin: 0 0 30vh;
    opacity: 0.42;
    transform: translateX(14px);
    transition: opacity 0.45s, transform 0.45s, border-color 0.45s, box-shadow 0.45s;
  }
  .ms:first-child { margin-top: 18vh; }
  .ms.active {
    opacity: 1; transform: none;
    box-shadow: 0 0 0 1px rgba(89, 217, 255, 0.35), 0 20px 60px rgba(0, 0, 0, 0.55);
  }
  .ms-list::before { opacity: 0.25; }
}

/* Under reduced motion nothing moves or pulses. */
@media (prefers-reduced-motion: reduce) {
  .moon .halo, .moon.next .halo, .moon.active .halo { animation: none; }
}