/* ==========================================================================
   EarthTracker — "on the grid" design system
   Selected = User (electric light blue) · Unselected = Program (deep blue)
   ========================================================================== */

@view-transition { navigation: auto; }

:root {
  color-scheme: dark;
  --bg-0: #01040d;
  --bg-1: #030a1c;
  --bg-2: #071027;
  --panel: rgb(7 18 44 / 0.72);
  --panel-solid: #08142f;
  --line: rgb(47 140 255 / 0.18);
  --line-strong: rgb(47 140 255 / 0.42);

  --user: #6ff3ff;           /* selected — the User */
  --user-soft: rgb(111 243 255 / 0.14);
  --user-glow: 0 0 6px rgb(111 243 255 / 0.85), 0 0 22px rgb(111 243 255 / 0.35);
  --program: #2f8cff;        /* unselected — a Program */
  --program-dim: #1b4e9c;
  --program-soft: rgb(47 140 255 / 0.10);
  --program-glow: 0 0 10px rgb(47 140 255 / 0.30);
  --clu: #ff9b3d;            /* warnings, thresholds */

  --ink-1: #e3f8ff;
  --ink-2: #9cc1e6;
  --ink-3: #5f82ab;

  --font-display: "Orbitron", "Segoe UI", system-ui, sans-serif;
  --font-body: "Rajdhani", "Segoe UI", system-ui, sans-serif;
  --font-mono: "Share Tech Mono", "Cascadia Mono", Consolas, monospace;

  --radius: 4px;
  --cut: 14px;               /* chamfered corner size */
  --gap: clamp(12px, 1.6vw, 22px);
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg-0); }
body {
  margin: 0;
  min-height: 100dvh;
  color: var(--ink-1);
  font: 500 17px/1.45 var(--font-body);
  letter-spacing: .01em;
  background:
    radial-gradient(1200px 520px at 50% -180px, rgb(47 140 255 / .20), transparent 70%),
    radial-gradient(900px 400px at 85% 110%, rgb(111 243 255 / .07), transparent 70%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0) 70%);
  overflow-x: hidden;
}

/* ---- the Grid: perspective floor + faint lattice ------------------------ */
.grid-floor {
  position: fixed; inset: auto 0 0 0; height: 46vh; z-index: -1; pointer-events: none;
  perspective: 420px; overflow: hidden;
  mask-image: linear-gradient(to top, #000 10%, transparent 95%);
}
.grid-floor::before {
  content: ""; position: absolute; inset: 0 -50% -40% -50%;
  background-image:
    linear-gradient(rgb(47 140 255 / .35) 1px, transparent 1px),
    linear-gradient(90deg, rgb(47 140 255 / .35) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: rotateX(62deg);
  transform-origin: top;
  animation: floor-scroll 6s linear infinite;
}
.grid-floor::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--user), transparent);
  box-shadow: var(--user-glow); opacity: .55;
}
@keyframes floor-scroll { to { background-position: 0 64px, 0 0; } }
.lattice {
  position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(rgb(47 140 255 / .045) 1px, transparent 1px),
    linear-gradient(90deg, rgb(47 140 255 / .045) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ---- header -------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 28px;
  padding: 14px clamp(16px, 3vw, 40px);
  background: linear-gradient(180deg, rgb(3 10 28 / .94), rgb(3 10 28 / .78));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  view-transition-name: topbar;
}
.topbar::after {
  content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%;
  background: linear-gradient(90deg, transparent, var(--user) 50%, transparent);
  opacity: .7; transform-origin: left; animation: trace 2.4s var(--ease) both;
}
@keyframes trace { from { transform: scaleX(0); } }
.brand {
  display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink-1);
  font: 800 20px/1 var(--font-display); letter-spacing: .18em;
}
.brand .slash { color: var(--user); text-shadow: var(--user-glow); }
.brand svg { width: 30px; height: 30px; filter: drop-shadow(0 0 6px rgb(111 243 255 / .7)); }
.nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  position: relative; padding: 9px 16px;
  font: 600 12px/1 var(--font-display); letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink-2); text-decoration: none; border: 1px solid transparent;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: color .25s, background .25s, border-color .25s;
}
.nav a:hover { color: var(--ink-1); background: var(--program-soft); }
.nav a[aria-current="page"] {
  color: #001a22; background: var(--user); box-shadow: var(--user-glow);
}
.status-dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--program-dim);
  box-shadow: 0 0 0 3px rgb(47 140 255 / .12);
}
.status-dot.live { background: var(--user); box-shadow: var(--user-glow); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .45; } }

/* ---- layout -------------------------------------------------------------- */
main {
  width: min(1480px, 100%); margin: 0 auto;
  padding: clamp(18px, 3vw, 36px) clamp(16px, 3vw, 40px) 120px;
  view-transition-name: main;
}
.page-head { display: flex; flex-wrap: wrap; align-items: end; gap: 12px 32px; margin-bottom: var(--gap); }
.eyebrow {
  font: 600 11px/1 var(--font-display); letter-spacing: .32em; text-transform: uppercase; color: var(--program);
}
h1 {
  margin: 8px 0 0; font: 700 clamp(26px, 3.4vw, 42px)/1.05 var(--font-display); letter-spacing: .06em;
  background: linear-gradient(180deg, #fff, var(--user) 140%); -webkit-background-clip: text; background-clip: text;
  color: transparent; text-shadow: 0 0 28px rgb(111 243 255 / .25);
}
h2 { margin: 0; font: 600 14px/1.2 var(--font-display); letter-spacing: .16em; text-transform: uppercase; color: var(--ink-1); }
h3 { margin: 0 0 6px; font: 600 12px/1.2 var(--font-display); letter-spacing: .18em; text-transform: uppercase; color: var(--ink-2); }
p.lede { margin: 6px 0 0; max-width: 72ch; color: var(--ink-2); }
a { color: var(--user); }
.muted { color: var(--ink-3); }
.mono { font-family: var(--font-mono); }

.layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: var(--gap); align-items: start; }
@media (max-width: 980px) { .layout { grid-template-columns: 1fr; } }
.stack { display: grid; gap: var(--gap); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.spacer { flex: 1; }

/* ---- panels (chamfered "program" boxes) ---------------------------------- */
.panel {
  --edge: var(--line-strong);
  position: relative; container-type: inline-size;
  padding: 18px 20px;
  background: linear-gradient(180deg, rgb(10 26 60 / .78), var(--panel));
  border: 1px solid var(--edge);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  box-shadow: inset 0 0 40px rgb(47 140 255 / .06);
}
.panel::before, .panel::after {
  content: ""; position: absolute; width: calc(var(--cut) * 1.42); height: 1px; background: var(--edge);
}
.panel::before { top: calc(var(--cut) / 2 - .5px); left: calc(var(--cut) * -0.21); transform: rotate(-45deg); }
.panel::after { bottom: calc(var(--cut) / 2 - .5px); right: calc(var(--cut) * -0.21); transform: rotate(-45deg); }
.panel.is-active { --edge: var(--user); box-shadow: inset 0 0 40px rgb(111 243 255 / .08), 0 0 0 1px rgb(111 243 255 / .2); }
.panel-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; margin-bottom: 12px; }
.panel-foot { margin-top: 10px; font-size: 13px; color: var(--ink-3); display: flex; flex-wrap: wrap; gap: 4px 14px; }
.panel-foot a { color: var(--ink-2); }

/* ---- chips: Program (unselected) → User (selected) ----------------------- */
.chip-group { display: grid; gap: 8px; }
.chip-group + .chip-group { margin-top: 18px; }
.chip {
  --c: var(--program);
  appearance: none; cursor: pointer; text-align: left;
  display: grid; grid-template-columns: 14px 1fr auto; align-items: center; gap: 10px;
  width: 100%; padding: 10px 12px;
  font: 600 15px/1.15 var(--font-body); color: var(--ink-2);
  background: var(--program-soft);
  border: 1px solid rgb(47 140 255 / .38);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background .25s var(--ease), color .25s, border-color .25s, box-shadow .25s, transform .2s;
}
.chip:hover { color: var(--ink-1); border-color: var(--program); box-shadow: var(--program-glow); }
.chip:active { transform: translateY(1px); }
.chip .pip { width: 10px; height: 10px; border: 1.5px solid var(--program); transform: rotate(45deg); transition: inherit; }
.chip small { font: 400 11px/1 var(--font-mono); color: var(--ink-3); }
.chip[aria-pressed="true"] {
  color: #e9feff; background: linear-gradient(90deg, rgb(111 243 255 / .20), rgb(111 243 255 / .06));
  border-color: var(--user); box-shadow: var(--user-glow), inset 0 0 18px rgb(111 243 255 / .12);
}
.chip[aria-pressed="true"] .pip { background: var(--c); border-color: var(--c); box-shadow: 0 0 8px var(--c); }
.chip[aria-pressed="true"] small { color: var(--user); }
.chip.inline { display: inline-flex; width: auto; padding: 7px 12px; font-size: 14px; gap: 8px; }

.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid rgb(47 140 255 / .38); padding: 2px; gap: 2px; background: rgb(2 8 24 / .6); }
.seg button {
  appearance: none; cursor: pointer; border: 0; padding: 7px 12px;
  font: 600 11px/1 var(--font-display); letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-2); background: transparent; transition: background .2s, color .2s, box-shadow .2s;
}
.seg button:hover { color: var(--ink-1); background: var(--program-soft); }
.seg button[aria-pressed="true"] { color: #00161d; background: var(--user); box-shadow: var(--user-glow); }

button:focus-visible, a:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--user); outline-offset: 3px;
}

/* ---- stat tiles ---------------------------------------------------------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.tile {
  position: relative; padding: 14px 16px; background: rgb(4 14 36 / .7);
  border: 1px solid var(--line); border-left: 2px solid var(--program);
}
.tile.hot { border-left-color: var(--user); }
.tile .k { font: 600 10px/1 var(--font-display); letter-spacing: .22em; text-transform: uppercase; color: var(--ink-3); }
.tile .v { margin-top: 8px; font: 400 clamp(22px, 2.4vw, 30px)/1 var(--font-mono); color: var(--ink-1); }
.tile .v .u { font-size: .5em; color: var(--ink-2); margin-left: 4px; }
.tile .s { margin-top: 6px; font-size: 13px; color: var(--ink-2); }
.tile.hot .v { color: #f2feff; text-shadow: 0 0 16px rgb(111 243 255 / .45); }

/* ---- chart --------------------------------------------------------------- */
.chart { position: relative; width: 100%; height: clamp(260px, 42vh, 460px); touch-action: pan-y; }
.chart.short { height: clamp(200px, 26vh, 280px); }
.chart.tall { height: clamp(320px, 56vh, 620px); }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .axis text { fill: var(--ink-3); font: 12px var(--font-mono); }
.chart .axis line, .chart .axis path { stroke: rgb(47 140 255 / .22); }
.chart .gridline { stroke: rgb(47 140 255 / .09); }
.chart .zero { stroke: rgb(156 193 230 / .35); stroke-dasharray: 2 4; }
.chart .ref line { stroke: var(--clu); stroke-dasharray: 6 5; opacity: .75; }
.chart .ref text { fill: var(--clu); font: 600 11px var(--font-mono); }
.chart .vmark line { stroke: var(--ink-3); stroke-dasharray: 2 4; }
.chart .vmark text { fill: var(--ink-3); font: 11px var(--font-mono); }
.chart .series path.line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .series path.line.glow { stroke-width: 6; opacity: .18; filter: blur(3px); }
.chart .series path.band { stroke: none; }
.chart .series.dim { opacity: .28; }
.chart .label { font: 600 12px var(--font-mono); fill: var(--ink-1); paint-order: stroke; stroke: var(--bg-1); stroke-width: 4px; }
.chart .crosshair { stroke: var(--user); stroke-width: 1; opacity: .7; }
.chart .hover-dot { stroke: var(--bg-1); stroke-width: 2; }
.chart .brush { fill: rgb(111 243 255 / .10); stroke: var(--user); stroke-dasharray: 3 3; }
.chart .bar { transition: opacity .2s; }
.chart .empty { fill: var(--ink-3); font: 600 13px var(--font-display); letter-spacing: .2em; }
.draw-in { stroke-dasharray: var(--len); stroke-dashoffset: var(--len); animation: draw 1.6s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.tooltip {
  position: absolute; z-index: 5; pointer-events: none; min-width: 160px;
  padding: 10px 12px; font-size: 14px;
  background: rgb(3 12 32 / .94); border: 1px solid var(--user); box-shadow: var(--user-glow);
  opacity: 0; transform: translateY(4px); transition: opacity .12s, transform .12s;
}
.tooltip.on { opacity: 1; transform: none; }
.tooltip .t { font: 600 11px/1 var(--font-display); letter-spacing: .16em; color: var(--user); margin-bottom: 6px; }
.tooltip .r { display: grid; grid-template-columns: 10px 1fr auto; gap: 8px; align-items: center; }
.tooltip .r i { width: 8px; height: 8px; transform: rotate(45deg); }
.tooltip .r b { font: 400 14px var(--font-mono); color: var(--ink-1); }
.tooltip .r span { color: var(--ink-2); }

.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.legend i { width: 16px; height: 2px; box-shadow: 0 0 6px currentColor; }
.legend i.dash { background: repeating-linear-gradient(90deg, currentColor 0 4px, transparent 4px 7px) !important; }
.legend i.band { height: 10px; opacity: .35; }

.chart-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-left: auto; }
.hint { font-size: 12px; color: var(--ink-3); }

/* ---- tables --------------------------------------------------------------- */
details.data-table { margin-top: 10px; }
details.data-table summary { cursor: pointer; color: var(--ink-3); font-size: 13px; letter-spacing: .08em; }
.table-wrap { max-height: 320px; overflow: auto; margin-top: 8px; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 7px 10px; text-align: right; border-bottom: 1px solid rgb(47 140 255 / .1); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { position: sticky; top: 0; background: var(--panel-solid); font: 600 10px var(--font-display); letter-spacing: .16em;
     text-transform: uppercase; color: var(--ink-3); }
td { font-family: var(--font-mono); color: var(--ink-2); }
tbody tr { cursor: default; transition: background .15s; }
tbody tr:hover { background: var(--program-soft); }
tbody tr[aria-selected="true"] { background: var(--user-soft); }
tbody tr[aria-selected="true"] td { color: var(--ink-1); }
tr.clickable { cursor: pointer; }

/* ---- generation badge ---------------------------------------------------- */
.gen-badge {
  display: inline-flex; align-items: center; gap: 12px; padding: 8px 14px;
  border: 1px solid var(--user); background: rgb(111 243 255 / .06); box-shadow: var(--user-glow);
  font: 700 15px/1 var(--font-display); letter-spacing: .2em; color: var(--user); white-space: nowrap; flex-wrap: wrap;
}
.gen-badge small { font: 400 12px var(--font-mono); letter-spacing: 0; color: var(--ink-2); }
.gen-select {
  appearance: none; background: rgb(2 8 24 / .8); color: var(--ink-1); border: 1px solid rgb(47 140 255 / .4);
  padding: 7px 30px 7px 10px; font: 13px var(--font-mono);
  background-image: linear-gradient(45deg, transparent 50%, var(--user) 50%), linear-gradient(135deg, var(--user) 50%, transparent 50%);
  background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%; background-size: 5px 5px; background-repeat: no-repeat;
}

/* ---- empty / notice ------------------------------------------------------- */
.notice {
  padding: 16px 18px; border: 1px dashed var(--program); background: rgb(47 140 255 / .06); color: var(--ink-2);
}
.notice code, code.cmd {
  display: inline-block; margin-top: 6px; padding: 4px 8px; background: #010611; border: 1px solid var(--line);
  font: 14px var(--font-mono); color: var(--user);
}

/* ---- calculator ------------------------------------------------------------ */
.calc { display: grid; gap: 14px; }
.calc label { display: grid; grid-template-columns: 70px 1fr 92px; gap: 12px; align-items: center; font-weight: 600; color: var(--ink-2); }
.calc output { font: 15px var(--font-mono); color: var(--user); text-align: right; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 24px; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(90deg, var(--user), var(--program-dim)); }
input[type="range"]::-moz-range-track { height: 2px; background: linear-gradient(90deg, var(--user), var(--program-dim)); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; margin-top: -6px; background: var(--bg-1);
  border: 2px solid var(--user); transform: rotate(45deg); box-shadow: var(--user-glow);
}
input[type="range"]::-moz-range-thumb { width: 12px; height: 12px; background: var(--bg-1); border: 2px solid var(--user); transform: rotate(45deg); }

/* ---- MathML equations ------------------------------------------------------ */
.equations { display: grid; gap: 14px; }
.eq { padding: 12px 14px; background: rgb(1 6 17 / .7); border-left: 2px solid var(--program); }
.eq.is-active { border-left-color: var(--user); }
.eq .name { font: 600 11px var(--font-display); letter-spacing: .18em; color: var(--ink-3); margin-bottom: 8px; text-transform: uppercase; }
math { font-size: 1.12em; color: var(--ink-1); }
math[display="block"] { overflow-x: auto; overflow-y: hidden; padding: 4px 0; }

/* ---- prose (methods) ------------------------------------------------------- */
.prose { max-width: 82ch; }
.prose p, .prose li { color: var(--ink-2); }
.prose h2 { margin-top: 30px; color: var(--user); }
.prose strong { color: var(--ink-1); }

/* ---- footer --------------------------------------------------------------- */
.footer {
  margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13px; color: var(--ink-3);
}

/* ---- toast ---------------------------------------------------------------- */
.toast {
  position: fixed; right: 20px; bottom: 20px; z-index: 50; max-width: 360px;
  padding: 12px 16px; background: var(--panel-solid); border: 1px solid var(--clu); color: var(--ink-1);
  box-shadow: 0 0 18px rgb(255 155 61 / .25);
}

/* ---- loading scan --------------------------------------------------------- */
.scanning { position: relative; }
.scanning::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgb(111 243 255 / .10), transparent);
  animation: scan 1.2s linear infinite;
}
@keyframes scan { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

@container (max-width: 520px) {
  .panel-head { flex-direction: column; align-items: start; }
  .chart-tools { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .draw-in { stroke-dashoffset: 0; }
}
@media (forced-colors: active) {
  .chip[aria-pressed="true"] { border: 3px solid Highlight; }
}
::selection { background: var(--user); color: #00161d; }

@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: 10px 16px; padding-block: 10px; }
  .nav { order: 3; width: 100%; margin-left: 0; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .nav a { padding: 8px 12px; white-space: nowrap; }
  .status-dot { margin-left: auto; }
  .tiles { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
}

/* ---- scenario guide (Model page) ------------------------------------------ */
.guide-intro { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.guide-intro p { margin: 0; color: var(--ink-2); max-width: 70ch; }
.guide-intro strong { color: var(--ink-1); }
@media (max-width: 860px) { .guide-intro { grid-template-columns: 1fr; } }
.decoder { padding: 14px 16px; background: rgb(1 6 17 / .7); border: 1px solid var(--line); }
.decoder-label { display: block; font: 700 26px/1 var(--font-display); letter-spacing: .08em; margin-bottom: 12px; color: var(--ink-3); }
.decoder dl { margin: 0; display: grid; gap: 8px; }
.decoder dl div { display: grid; grid-template-columns: 46px 1fr; gap: 10px; align-items: baseline; }
.decoder dt { font: 700 13px var(--font-display); }
.decoder dd { margin: 0; font-size: 14px; color: var(--ink-2); }
.d-a { color: var(--program); } .d-b { color: var(--user); } .d-c { color: var(--clu); }
.decoder-label b { font-weight: 700; }

.guide-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-top: 20px; }
.scard {
  --c: var(--program);
  position: relative; display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px;
  padding: 16px 16px 14px; background: rgb(4 14 36 / .72);
  border: 1px solid var(--line); border-top: 2px solid var(--c);
  transition: border-color .25s, box-shadow .25s;
}
.scard.is-on { border-color: rgb(111 243 255 / .35); border-top-color: var(--c); box-shadow: 0 -6px 24px -12px var(--c); }
.scard .s-head { display: flex; align-items: center; gap: 10px; }
.scard .s-head i { width: 10px; height: 10px; transform: rotate(45deg); background: var(--c); box-shadow: 0 0 8px var(--c); flex: none; }
.scard .s-head b { font: 700 15px var(--font-display); letter-spacing: .08em; color: var(--ink-1); }
.scard .s-head .s-nom { margin-left: auto; font: 12px var(--font-mono); color: var(--ink-3); }
.scard .s-fam { font: 600 11px var(--font-display); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.scard p { margin: 0; font-size: 15px; line-height: 1.45; color: var(--ink-2); }
.scard .s-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 12px; padding-top: 10px; border-top: 1px solid var(--line); }
.scard .s-facts div { display: grid; gap: 2px; }
.scard .s-facts span { font: 600 10px var(--font-display); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.scard .s-facts b { font: 400 14px var(--font-mono); color: var(--ink-1); font-weight: 400; }
.scard .s-result { grid-column: 1 / -1; }
.scard .s-result b { font-size: 18px; color: var(--ink-1); }

.pipeline { margin: 0; padding: 0; list-style: none; counter-reset: step; display: grid; gap: 10px; }
.pipeline li {
  counter-increment: step; position: relative; padding: 10px 14px 10px 52px; color: var(--ink-2);
  background: rgb(1 6 17 / .5); border-left: 2px solid var(--program);
}
.pipeline li:nth-child(4) { border-left-color: var(--user); background: rgb(111 243 255 / .05); }
.pipeline li::before {
  content: counter(step, decimal-leading-zero); position: absolute; left: 14px; top: 11px;
  font: 700 13px var(--font-display); color: var(--program);
}
.pipeline li:nth-child(4)::before { color: var(--user); }
.pipeline b { color: var(--ink-1); }
#guide-table td.sw { text-align: left; font-family: var(--font-body); color: var(--ink-1); white-space: nowrap; }
#guide-table td.sw i { display: inline-block; width: 8px; height: 8px; transform: rotate(45deg); margin-right: 10px; vertical-align: 1px; }
#guide-table td.story { text-align: left; font-family: var(--font-body); white-space: normal; min-width: 200px; }
.guide-cards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1180px) { .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .guide-cards { grid-template-columns: 1fr; } }
.scard[data-key="trajectory"] {
  grid-column: 1 / -1; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); grid-template-rows: auto auto 1fr; column-gap: 28px;
}
.scard[data-key="trajectory"] .s-head, .scard[data-key="trajectory"] .s-fam, .scard[data-key="trajectory"] p { grid-column: 1; }
.scard[data-key="trajectory"] .s-facts { grid-column: 2; grid-row: 1 / 4; align-self: center; border-top: 0; padding-top: 0; border-left: 1px solid var(--line); padding-left: 24px; }
@media (max-width: 860px) {
  .scard[data-key="trajectory"] { grid-template-columns: 1fr; }
  .scard[data-key="trajectory"] .s-facts { grid-column: 1; grid-row: auto; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 10px; }
}

/* ---- EarthTracker wordmark ------------------------------------------------- */
.wordmark { display: inline-flex; letter-spacing: .18em; }
.wm-earth { color: var(--user); text-shadow: var(--user-glow); }
.wm-tracker { color: #f4fdff; }
@media (max-width: 420px) { .brand { font-size: 17px; letter-spacing: .12em; } }