:root {
  --navy: #0A1628;
  --navy-2: #0F2038;
  --navy-3: #152A48;
  --silver: #C5CDD8;
  --silver-dim: #8A96A8;
  --flame: #FF6B2C;
  --teal: #2EE6A6;
  --chalk: rgba(197, 205, 216, 0.12);
  --chalk-strong: rgba(197, 205, 216, 0.22);
  --ink: #E8EEF6;
  --danger: #FF5A6A;
  --radius: 10px;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Literata", Georgia, serif;
  --font-tele: "JetBrains Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--navy);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.55;
  position: relative;
}
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

.blueprint-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(var(--chalk) 1px, transparent 1px),
    linear-gradient(90deg, var(--chalk) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 75%);
  opacity: 0.9;
}

.range-strip {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 16px;
  background: linear-gradient(180deg, #0C1A30 0%, #0A1628ee 100%);
  border-bottom: 1px solid var(--chalk-strong);
  backdrop-filter: blur(8px);
}
.brand {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  color: var(--ink); letter-spacing: 0.02em;
}
.brand img { display: block; }
.range-mid { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.chip {
  font-family: var(--font-tele); font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--chalk-strong); color: var(--silver);
  background: var(--navy-2);
}
.chip.id { border-color: var(--teal); color: var(--teal); }
.chip.window { border-color: var(--flame); color: var(--flame); }
.chip.net { color: var(--ink); }
.range-right .tele {
  font-family: var(--font-tele); font-size: 0.8rem; color: var(--silver);
}

.desk { position: relative; z-index: 1; max-width: 1400px; margin: 0 auto; padding: 18px 14px 48px; }

.hero-band {
  display: grid; gap: 18px; margin-bottom: 20px;
  grid-template-columns: 1fr;
  align-items: stretch;
}
@media (min-width: 900px) {
  .hero-band { grid-template-columns: 1.1fr 0.9fr; }
}
.kicker {
  font-family: var(--font-tele); font-size: 0.75rem; color: var(--teal);
  letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 8px;
}
.hero-copy h1 {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.7rem, 4vw, 2.45rem);
  line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em;
}
.lede { margin: 0; color: var(--silver); max-width: 54ch; }
.hero-still {
  margin: 0; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--chalk-strong); background: var(--navy-2);
  aspect-ratio: 720 / 420;
}
.hero-still img { width: 100%; height: 100%; object-fit: cover; display: block; }

.split {
  display: grid; gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 980px) {
  .split {
    grid-template-columns: minmax(320px, 440px) 1fr;
    align-items: start;
  }
  .stage-wrap { position: sticky; top: 64px; min-height: calc(100vh - 80px); }
}

.chart-stack { display: flex; flex-direction: column; gap: 12px; }

.panel {
  background: linear-gradient(165deg, var(--navy-2), var(--navy-3));
  border: 1px solid var(--chalk-strong);
  border-radius: var(--radius);
  padding: 14px 14px 16px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.panel-h {
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.02em; margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.live {
  font-family: var(--font-tele); font-size: 0.65rem; color: var(--navy);
  background: var(--teal); padding: 2px 7px; border-radius: 4px; font-weight: 600;
}
.hint { margin: 0 0 10px; font-size: 0.88rem; color: var(--silver-dim); }
.hint.nest { margin-top: 8px; color: var(--teal); }

.cd-digits {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
  margin-bottom: 10px;
}
.cd-unit {
  background: var(--navy); border: 1px solid var(--chalk-strong);
  border-radius: 8px; text-align: center; padding: 10px 4px 8px;
}
.cd-unit .n {
  display: block; font-family: var(--font-tele); font-weight: 600;
  font-size: clamp(1.35rem, 4vw, 1.85rem); color: var(--flame);
  letter-spacing: 0.04em;
}
.cd-unit .u {
  font-family: var(--font-tele); font-size: 0.62rem; color: var(--silver-dim);
  letter-spacing: 0.1em;
}
.cd-status { font-family: var(--font-tele); font-size: 0.78rem; color: var(--teal); margin: 0 0 12px; }
.wall-times {
  display: grid; gap: 8px;
  grid-template-columns: 1fr;
}
@media (min-width: 420px) { .wall-times { grid-template-columns: 1fr 1fr 1fr; } }
.wall-times > div, .split-metrics > div {
  background: rgba(0,0,0,0.2); border-radius: 6px; padding: 8px;
}
.m-label { display: block; font-family: var(--font-tele); font-size: 0.62rem; color: var(--silver-dim); letter-spacing: 0.06em; text-transform: uppercase; }
.m-val { font-family: var(--font-tele); font-size: 0.82rem; color: var(--ink); }

.tz-add-row { display: flex; gap: 8px; margin-bottom: 10px; }
.tz-add-row select { flex: 1; }
.tz-list { display: flex; flex-direction: column; gap: 6px; }
.tz-row {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px; border-radius: 6px; background: rgba(0,0,0,0.22);
  border: 1px solid var(--chalk);
  font-family: var(--font-tele); font-size: 0.78rem;
}
.tz-row .city { color: var(--silver); }
.tz-row .when { color: var(--teal); font-weight: 500; }
.tz-row button {
  background: transparent; border: none; color: var(--silver-dim); cursor: pointer;
  font-family: var(--font-tele); font-size: 0.7rem;
}
.tz-row button:hover { color: var(--flame); }

.timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
.timeline li {
  display: grid; grid-template-columns: 72px 1fr; gap: 10px;
  padding: 8px 0; border-left: 2px solid var(--chalk-strong);
  padding-left: 12px; margin-left: 6px; position: relative;
}
.timeline li::before {
  content: ""; position: absolute; left: -5px; top: 14px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--flame); box-shadow: 0 0 0 3px rgba(255,107,44,0.25);
}
.timeline .t { font-family: var(--font-tele); font-size: 0.7rem; color: var(--teal); }
.timeline .lab { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; }
.timeline .det { font-size: 0.82rem; color: var(--silver-dim); }

.payload-grid { display: grid; gap: 12px; }
@media (min-width: 420px) { .payload-grid { grid-template-columns: 1fr 1.1fr; } }
.card-img { margin: 0; border-radius: 8px; overflow: hidden; border: 1px solid var(--chalk); }
.card-img img { width: 100%; display: block; height: auto; }
.card-img.wide { margin-bottom: 12px; }
.pay-lead { margin: 0 0 10px; color: var(--silver); font-size: 0.92rem; }
.spec-row {
  display: grid; grid-template-columns: 70px 1fr auto; gap: 6px; align-items: baseline;
  padding: 6px 0; border-bottom: 1px solid var(--chalk);
  font-size: 0.88rem;
}
.spec-row span { font-family: var(--font-tele); font-size: 0.7rem; color: var(--silver-dim); text-transform: uppercase; }
.spec-row strong { font-family: var(--font-tele); color: var(--ink); }
.spec-row em { font-style: normal; font-family: var(--font-tele); font-size: 0.72rem; color: var(--flame); }

.plan-fields { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.ctrl { display: flex; flex-direction: column; gap: 4px; min-width: 120px; }
.ctrl.grow { flex: 1 1 160px; }
.ctrl span { font-family: var(--font-tele); font-size: 0.65rem; color: var(--silver-dim); letter-spacing: 0.05em; text-transform: uppercase; }
input, select, textarea, button {
  font: inherit; color: var(--ink);
}
input, select {
  background: var(--navy); border: 1px solid var(--chalk-strong);
  border-radius: 6px; padding: 8px 10px;
  font-family: var(--font-tele); font-size: 0.82rem;
}
input:focus, select:focus { outline: 1px solid var(--teal); border-color: var(--teal); }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-row.wrap { margin-bottom: 8px; }
.btn {
  font-family: var(--font-display); font-weight: 600; font-size: 0.82rem;
  background: var(--navy); color: var(--silver);
  border: 1px solid var(--chalk-strong); border-radius: 6px;
  padding: 8px 12px; cursor: pointer;
}
.btn:hover { border-color: var(--teal); color: var(--ink); }
.btn.primary { background: var(--flame); color: #1a0a00; border-color: var(--flame); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }

.plan-lib { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.plan-lib li {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px; background: rgba(0,0,0,0.22); border-radius: 6px;
  border: 1px solid var(--chalk); font-size: 0.85rem;
}
.plan-lib .pname { font-family: var(--font-display); font-weight: 600; }
.plan-lib .actions { display: flex; gap: 6px; }
.plan-lib button {
  font-family: var(--font-tele); font-size: 0.68rem;
  background: transparent; border: 1px solid var(--chalk-strong);
  color: var(--silver); border-radius: 4px; padding: 3px 7px; cursor: pointer;
}
.plan-lib button:hover { border-color: var(--teal); color: var(--teal); }

.editorial p { color: var(--silver); margin: 0 0 12px; }

.assumptions {
  padding: 0;
}
.assumptions summary {
  cursor: pointer; padding: 12px 14px;
  font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  list-style: none;
}
.assumptions summary::-webkit-details-marker { display: none; }
.assumptions summary .muted { font-family: var(--font-tele); font-size: 0.68rem; font-weight: 400; color: var(--silver-dim); }
.assume-body { padding: 0 14px 14px; font-size: 0.88rem; color: var(--silver-dim); }
.assume-body ul { margin: 0 0 10px; padding-left: 18px; }
.assume-body li { margin-bottom: 4px; }
.src-label { font-family: var(--font-tele); font-size: 0.7rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.06em; }
.snap { font-family: var(--font-tele); font-size: 0.72rem; color: var(--silver-dim); }

.stage-wrap {
  background: radial-gradient(ellipse at 50% 40%, #152A48 0%, #0A1628 70%);
  border: 1px solid var(--chalk-strong);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
  display: flex; flex-direction: column;
  position: relative;
}
.stage-hud {
  position: absolute; top: 12px; left: 12px; right: 12px; z-index: 5;
  display: flex; flex-wrap: wrap; gap: 6px; pointer-events: none;
}
.hud-pill {
  font-family: var(--font-tele); font-size: 0.68rem; letter-spacing: 0.04em;
  padding: 4px 9px; border-radius: 999px;
  background: rgba(10,22,40,0.82); border: 1px solid var(--chalk-strong);
  color: var(--silver); backdrop-filter: blur(4px);
}
.hud-pill.flame { border-color: var(--flame); color: var(--flame); }
#orbit-canvas {
  flex: 1; width: 100%; min-height: 380px; display: block;
  touch-action: none;
}
.stage-caption {
  margin: 0; padding: 8px 12px;
  font-family: var(--font-tele); font-size: 0.68rem; color: var(--silver-dim);
  border-top: 1px solid var(--chalk);
  background: rgba(0,0,0,0.25);
}

.site-foot {
  position: relative; z-index: 1;
  text-align: center; padding: 28px 16px 40px;
  border-top: 1px solid var(--chalk);
}
.site-foot a {
  font-family: var(--font-display); font-weight: 600; color: var(--silver);
  letter-spacing: 0.04em;
}
.site-foot a:hover { color: var(--teal); }

@media (max-width: 600px) {
  .range-strip { padding: 8px 10px; }
  .cd-unit .n { font-size: 1.2rem; }
  #orbit-canvas { min-height: 300px; }
}