/* MASTERY — the ladder and the coach. Ten rungs ruled like a measuring scale; the score inks them in. */
.ms { display: grid; gap: 18px; }
.ms-head { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px; align-items: end; }
.ms-score { display: flex; align-items: baseline; gap: 8px; }
.ms-score b { font: 400 clamp(3.5rem, 6vw, 5.25rem)/0.9 var(--font-serif); letter-spacing: -0.03em; font-variant-numeric: lining-nums tabular-nums; font-variation-settings: "opsz" 72; }
.ms-score span { font: 400 1.375rem/1 var(--font-serif); color: var(--ink-3); }
.ms-rung { display: grid; gap: 4px; padding-bottom: 6px; font: 400 1.3125rem/1.25 var(--font-serif); }
.ms-rung .label { margin: 0; }
.ms-rung i { font: italic 0.96875rem/1.45 var(--font-serif); color: var(--ink-2); }
.ms-ladder { display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 3px; margin-bottom: 14px; }
.ms-ladder i { position: relative; height: 26px; background: var(--rule-2); overflow: visible; }
.ms-ladder i::before { content: ""; position: absolute; inset: 0 auto 0 0; width: calc(var(--f) * 100%); background: var(--ink); transition: width var(--spring-panel-dur) var(--spring-panel); }
.ms-ladder i[data-full]::before { background: var(--ink); }
.ms-ladder i:not([data-full])::before { background: var(--rubric); }
.ms-ladder b { position: absolute; left: 0; top: calc(100% + 4px); font: 500 0.6875rem/1 var(--font-data); color: var(--ink-3); }
.ms-ladder i[data-full] b { color: var(--ink-2); }
/* the level placement put you at: a verdigris tick over its rung; everything above it is earned here */
.ms-ladder i[data-placed]::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--verdigris); }
.ms-placed { margin: 0; font-size: 0.8125rem; color: var(--ink-3); }
.ms-placed::before { content: ""; display: inline-block; width: 14px; height: 3px; margin-right: 8px; vertical-align: middle; background: var(--verdigris); }
.ms-next { margin: 0; font: italic 0.9375rem/1.45 var(--font-serif); color: var(--ink-2); }
.ms-next span { font: 600 0.6875rem/1 var(--font-ui); font-style: normal; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-right: 6px; }
.ms-pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 0; }
.ms-pillars div { display: grid; gap: 6px; }
.ms-pillars dt { font: 600 0.6875rem/1.3 var(--font-ui); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.ms-pillars dd { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: center; margin: 0; }
.ms-bar { height: 3px; background: var(--rule); }
.ms-bar i { display: block; height: 100%; background: var(--ink); }
.ms-pillars b { font: 400 1.125rem/1 var(--font-serif); font-variant-numeric: lining-nums tabular-nums; }
.ms-pillars small { font-size: 0.6875rem; color: var(--ink-3); }
.ms-cap { margin: 0; font-size: 0.8125rem; color: var(--rubric); }
.ms-climb { margin: 14px 0 0; font: italic 1rem/1.4 var(--font-serif); color: var(--ink-2); }
.ms-climb .spark { margin-left: 6px; vertical-align: baseline; }
.ms-hours { margin: 0; font: italic 1rem/1.4 var(--font-serif); color: var(--ink-2); }
.ms-hours b { font-style: normal; font-weight: 600; color: var(--ink); }

.coach { counter-reset: c; list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule-2); }
.coach li { counter-increment: c; }
.coach a { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; gap: 2px 12px; align-items: baseline; padding: 12px 0; border-bottom: 1px solid var(--rule-2); }
.coach a::before { content: counter(c); grid-row: span 2; font: 600 0.875rem/1.2 var(--font-serif); color: var(--rubric); }
.coach-t { font: 400 1.125rem/1.3 var(--font-serif); transition: color var(--dur-micro); }
.coach a:hover .coach-t { color: var(--rubric); }
.coach-why { grid-column: 2; font-size: 0.8125rem; color: var(--ink-3); }
.coach-g { grid-column: 3; grid-row: 1; font: 500 0.75rem/1 var(--font-data); color: var(--verdigris); }

/* the track's tools, set as a running line of links */
.tools-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0 24px; margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.tools-row a { display: grid; gap: 4px; padding: 12px 0; border-bottom: 1px solid var(--rule-2); font: 400 1.0625rem/1.2 var(--font-serif); transition: color var(--dur-micro), transform var(--dur-micro); }
.tools-row a:hover { color: var(--rubric); }
.tools-row a:active { transform: scale(0.98); }
.tools-row small { font: 0.75rem/1 var(--font-data); color: var(--ink-3); }
.where { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.where-coach .label { margin-bottom: 8px; }

/* the ten rungs, written out */
.ladder-list { counter-reset: none; list-style: none; margin: 0; padding: 0; }
.ladder-list li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 2px 14px; padding: 10px 0; border-bottom: 1px solid var(--rule-2); }
.ladder-list li span { grid-row: span 2; font: 400 1.375rem/1.1 var(--font-serif); color: var(--ink-3); font-variant-numeric: lining-nums; }
.ladder-list li[data-here] span, .ladder-list li[data-done] span { color: var(--rubric); }
.ladder-list b { font: 400 1.125rem/1.3 var(--font-serif); }
.ladder-list i { font: italic 0.9375rem/1.45 var(--font-serif); color: var(--ink-2); }
.ladder-list li[data-here] { background: linear-gradient(to right, var(--wash), transparent 70%); }
details.fold > summary { cursor: pointer; list-style: none; font: 500 0.875rem/1 var(--font-ui); color: var(--ink-2); padding: 6px 0; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::before { content: "+"; display: inline-block; width: 18px; font-family: var(--font-data); color: var(--rubric); }
details.fold[open] > summary::before { content: "−"; }
.glossary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 36px; margin: 8px 0 0; }
.glossary div { padding: 10px 0; border-bottom: 1px solid var(--rule-2); }
.glossary dt { font: 600 1rem/1.3 var(--font-serif); }
.glossary dd { margin: 2px 0 0; font: 0.9375rem/1.5 var(--font-serif); color: var(--ink-2); }
.glossary dd a { font: 0.75rem/1 var(--font-data); color: var(--ink-3); margin-left: 6px; }
.glossary dd a:hover { color: var(--rubric); }
.readings { list-style: none; margin: 8px 0 0; padding: 0; }
.readings li { padding: 12px 0; border-bottom: 1px solid var(--rule-2); }
.readings a { font: 400 1.125rem/1.3 var(--font-serif); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
.readings a:hover { color: var(--rubric); text-decoration-color: currentColor; }
.readings span { display: block; margin-top: 3px; font: italic 0.9375rem/1.45 var(--font-serif); color: var(--ink-2); }
.readings small { font: 600 0.65625rem/1 var(--font-ui); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }

@media (max-width: 900px) {
  .where { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .ms-pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .glossary { grid-template-columns: minmax(0, 1fr); }
  .ms-head { grid-template-columns: minmax(0, 1fr); gap: 8px; }
}