/* Pulse evergreen — momentum revive (card stack + period chips) + legacy vertical timeline rules.
   Load after brutalist.css + pulse-article.css (shared :root pulse tokens — reading size, deck, labels). */

:root {
  /* Match .pa-wrap on pulse articles (pulse-article.css) */
  --mr-max: var(--max-w-wide);
  --mr-gutter: clamp(16px, 3vw, 32px);
  --mr-line: 3px;
  --mr-dot: 18px;
  --mr-rail: 48px;
}

/* ── SHELL ── */
.mr-shell {
  max-width: var(--mr-max);
  margin: 0 auto;
  padding: 0 var(--mr-gutter);
}

/* ── BACK LINK ── */
.mr-back {
  padding: clamp(72px, 12vh, 100px) 0 0;
}
.mr-back a {
  font-family: var(--font-mono);
  font-size: var(--pulse-back-size);
  letter-spacing: var(--pulse-back-tracking);
  text-transform: lowercase;
  color: var(--text2);
  text-decoration: none;
}
.mr-back a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── HERO ── */
.mr-hero {
  padding: clamp(36px, 6vh, 72px) 0 clamp(32px, 5vw, 56px);
  text-align: center;
}
.mr-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--dark);
  color: var(--yel);
  font-family: var(--font-mono);
  font-size: var(--pulse-type-size);
  font-weight: 600;
  letter-spacing: var(--pulse-type-tracking);
  text-transform: lowercase;
  margin-bottom: 20px;
}
.mr-hero h1 {
  /* Match .pa-head h1 (pulse-article.css) */
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.04em;
  /* authored casing — Zone 2 content; see CAPITALIZATION_GUIDE.md */
  margin: 0 auto 16px;
  max-width: 22ch;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--yel);
}
.mr-lede {
  /* Match .pa-deck */
  font-size: var(--pulse-deck-size);
  font-weight: var(--pulse-deck-weight);
  line-height: var(--pulse-deck-line);
  color: var(--text2);
  max-width: 48ch;
  margin: 0 auto 20px;
}
.mr-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-bottom: 10px;
}
.mr-ticker-pill {
  /* Match .pa-ticker-pill */
  font-family: var(--font-mono);
  font-size: var(--pulse-ticker-size);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--yel);
  color: var(--dark);
}
.mr-window-pill {
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  text-transform: lowercase;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(0,0,0,.12);
  color: var(--text2);
}
.mr-note {
  /* Match .pa-byline */
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  color: var(--muted);
  letter-spacing: var(--pulse-byline-tracking);
  text-transform: lowercase;
  max-width: 52ch;
  margin: 12px auto 0;
  line-height: 1.45;
}

/* ── TIMELINE SPINE ── */
.mr-timeline {
  position: relative;
  padding: 0 0 clamp(48px, 8vw, 96px);
}
.mr-timeline::before {
  content: '';
  position: absolute;
  left: calc(var(--mr-rail) / 2);
  top: 0;
  bottom: 0;
  width: var(--mr-line);
  background: var(--dark);
  border-radius: 2px;
}

/* ── CHAPTER NODE ── */
.mr-node {
  position: relative;
  padding-left: var(--mr-rail);
  margin-bottom: clamp(36px, 5vw, 56px);
}
.mr-node:last-child { margin-bottom: 0; }

.mr-dot {
  position: absolute;
  left: calc(var(--mr-rail) / 2 - var(--mr-dot) / 2 + var(--mr-line) / 2);
  top: 4px;
  width: var(--mr-dot);
  height: var(--mr-dot);
  border-radius: 50%;
  background: var(--yel);
  border: var(--mr-line) solid var(--dark);
  z-index: 1;
}
.mr-node:first-child .mr-dot,
.mr-node:last-child .mr-dot {
  width: calc(var(--mr-dot) + 4px);
  height: calc(var(--mr-dot) + 4px);
  left: calc(var(--mr-rail) / 2 - (var(--mr-dot) + 4px) / 2 + var(--mr-line) / 2);
}

/* ── CHAPTER HEADER ── */
.mr-chapter-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--dark);
}
.mr-chapter-num {
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  font-weight: 600;
  letter-spacing: var(--pulse-byline-tracking);
  text-transform: lowercase;
  color: var(--muted);
  min-width: 8ch;
}
.mr-chapter-title {
  font-size: clamp(20px, 3.5vw, 30px);
  font-weight: 700;
  letter-spacing: -.03em;
  margin: 0;
  flex: 1;
  min-width: 200px;
}
.mr-chapter-range {
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  text-transform: lowercase;
  color: var(--muted);
  white-space: nowrap;
}

/* ── TWO-COLUMN GRID ── */
.mr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(14px, 2.5vw, 24px);
}
@media (max-width: 820px) {
  .mr-grid { grid-template-columns: 1fr; }
}

/* ── PANELS ── */
.mr-panel {
  border-radius: var(--radius-card-lg);
  border: 2px solid var(--dark);
  padding: clamp(16px, 2.5vw, 24px);
  background: var(--white);
  box-shadow: 5px 5px 0 rgba(0,0,0,.07);
}
.mr-panel-label {
  font-family: var(--font-mono);
  font-size: var(--pulse-score-label-size);
  letter-spacing: var(--pulse-score-label-tracking);
  text-transform: lowercase;
  color: var(--muted);
  margin: 0 0 14px;
  font-weight: 600;
}

/* ── EVENT LIST ── */
.mr-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.mr-list li {
  padding: 12px 0;
  border-top: 1px solid rgba(0,0,0,.08);
  font-size: var(--pulse-reading-size);
  line-height: var(--pulse-reading-line);
  color: var(--pulse-reading-color);
}
.mr-list li:first-child { border-top: none; padding-top: 0; }
.mr-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  text-transform: lowercase;
  color: var(--muted);
  margin-right: 8px;
  vertical-align: baseline;
}

/* ── TAPE PANEL (dark) ── */
.mr-tape {
  background: var(--dark);
  color: var(--white);
  border: 2px solid var(--dark);
  box-shadow: 5px 5px 0 var(--yel);
}
.mr-tape .mr-panel-label { color: rgba(255,255,255,.45); }
.mr-stat { margin-bottom: 14px; }
.mr-stat:last-child { margin-bottom: 0; }
.mr-stat-label {
  font-family: var(--font-mono);
  font-size: var(--pulse-score-label-size);
  letter-spacing: var(--pulse-score-label-tracking);
  text-transform: lowercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 4px;
}
.mr-stat-val {
  font-size: var(--pulse-reading-size);
  font-weight: 500;
  line-height: var(--pulse-reading-line);
  letter-spacing: -0.01em;
}

/* ── TIMELINE END CAP ── */
.mr-end-cap {
  position: relative;
  padding-left: var(--mr-rail);
  padding-top: 8px;
}
.mr-end-cap .mr-dot {
  top: 8px;
  background: var(--dark);
}
.mr-end-cap p {
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  text-transform: lowercase;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

/* ── MOBILE: collapse rail ── */
@media (max-width: 600px) {
  :root {
    --mr-rail: 36px;
    --mr-dot: 14px;
  }
  .mr-node:first-child .mr-dot,
  .mr-node:last-child .mr-dot {
    width: calc(var(--mr-dot) + 2px);
    height: calc(var(--mr-dot) + 2px);
    left: calc(var(--mr-rail) / 2 - (var(--mr-dot) + 2px) / 2 + var(--mr-line) / 2);
  }
}

/* ── GRAIN — same element as /pulse/index.html (noise overlay, pointer-events none) ── */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ── CARD STACK (layout 03) — grey reading band on <main>, nav/footer match rest of /pulse/ ── */
main.mr-layout-card-stack {
  background: #f4f4f2;
}

main.mr-layout-card-stack [id^='ch-'] {
  scroll-margin-top: clamp(100px, 14vh, 150px);
}

/* Full width within .mr-shell — same content rail as pulse posts (.pa-wrap) */
.mr-stack-narrow {
  max-width: 100%;
  margin: 0 auto;
}

.mr-period-mount {
  margin-bottom: clamp(4px, 1.5vw, 12px);
}

.mr-cal-nav {
  padding: 14px 0;
}

.mr-cal-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 8px;
}

.mr-cal-chip {
  font-family: var(--font-primary);
  font-size: var(--pulse-deck-size);
  font-weight: var(--pulse-deck-weight);
  line-height: var(--pulse-deck-line);
  padding: 10px 16px;
  border: 2px dashed var(--dark);
  border-radius: 999px;
  background: var(--white);
  text-decoration: none;
  color: var(--dark);
  max-width: 280px;
  letter-spacing: -0.02em;
}

.mr-cal-chip:hover,
.mr-cal-chip:focus-visible {
  border-style: solid;
  background: var(--yel);
  outline: none;
}

.mr-cal-arr {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  user-select: none;
}

.mr-cal-cap {
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  color: var(--muted);
  text-transform: lowercase;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  line-height: 1.45;
  letter-spacing: var(--pulse-byline-tracking);
}

.mr-cards {
  padding: 0 0 clamp(48px, 8vw, 96px);
}

.mr-card {
  background: var(--white);
  border: 2px solid var(--dark);
  border-radius: var(--radius-card-lg);
  padding: 24px 24px 28px;
  margin-bottom: 20px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.12);
}

.mr-card-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--dark);
}

.mr-card-top h2 {
  margin: 0;
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 700;
  flex: 1;
  min-width: 200px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.mr-card-num {
  font-family: var(--font-mono);
  font-size: var(--pulse-ticker-size);
  font-weight: 700;
  background: var(--yel);
  padding: 6px 12px;
  border-radius: 100px;
  border: none;
  color: var(--dark);
}

.mr-card-range {
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  color: var(--muted);
  text-transform: lowercase;
}

.mr-card-inner {
  display: grid;
  gap: 20px;
}

/* Same breakpoint spirit as .pa-grid (pulse-article.css stacks under 900px) */
@media (min-width: 900px) {
  .mr-card-inner {
    grid-template-columns: 1fr 1fr;
  }
}

.mr-blk h3 {
  /* Match .pa-score-label density (on light background) */
  font-family: var(--font-mono);
  font-size: var(--pulse-score-label-size);
  font-weight: 600;
  letter-spacing: var(--pulse-score-label-tracking);
  text-transform: lowercase;
  color: var(--muted);
  margin: 0 0 12px;
}

.mr-blk ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mr-blk li {
  font-family: var(--font-primary);
  font-size: var(--pulse-reading-size);
  line-height: var(--pulse-reading-line);
  color: var(--pulse-reading-color);
  padding: 12px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.mr-blk li:first-child {
  border-top: none;
  padding-top: 0;
}

.mr-tape-card {
  background: var(--dark);
  color: var(--white);
  padding: 16px;
  border-radius: var(--radius-card);
  border: 2px solid var(--dark);
}

.mr-tape-card h3 {
  font-family: var(--font-mono);
  font-size: var(--pulse-score-label-size);
  font-weight: 600;
  letter-spacing: var(--pulse-score-label-tracking);
  color: rgba(255, 255, 255, 0.55);
  margin: 0 0 12px;
  text-transform: lowercase;
}

.mr-tape-card p {
  font-family: var(--font-primary);
  font-size: var(--pulse-reading-size);
  line-height: var(--pulse-reading-line);
  color: var(--white);
  margin: 0 0 12px;
}

.mr-tape-card p:last-child {
  margin-bottom: 0;
}

.mr-tape-card b {
  font-family: var(--font-mono);
  font-size: var(--pulse-score-label-size);
  font-weight: 600;
  letter-spacing: var(--pulse-score-label-tracking);
  display: block;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 6px;
}

.mr-cards-end {
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  text-transform: lowercase;
  color: var(--muted);
  line-height: 1.45;
  margin: 8px 0 0;
  padding-top: 16px;
  border-top: 2px dashed rgba(0, 0, 0, 0.15);
}

/* ── A11Y ── */
.mr-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}


/* ── MACRO DISSECTION (SEO/GEO evergreen with inline SVG charts) ── */
main.md-layout {
  background: #f4f4f2;
  overflow-x: hidden;
}

.md-wrap {
  padding-top: 0;
}

.md-head .pa-ticker-pill {
  max-width: min(34ch, 100%);
  white-space: normal;
  line-height: 1.2;
}

.md-grid {
  align-items: start;
}

.md-body {
  min-width: 0;
  overflow: hidden;
}

.md-body > p {
  max-width: min(70ch, 100%);
}

.md-master-chart {
  margin: clamp(28px, 4vw, 44px) 0 clamp(28px, 4vw, 44px);
  min-width: 0;
}

.md-master-chart figcaption,
.md-regime-chart figcaption {
  font-family: var(--font-mono);
  font-size: var(--pulse-score-label-size);
  font-weight: 700;
  letter-spacing: var(--pulse-score-label-tracking);
  text-transform: lowercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.md-master-chart svg,
.md-regime-chart svg,
.md-regime-spark svg {
  display: block;
  width: 100%;
  height: auto;
}

.md-regime-nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 8px 0 20px;
  margin: 0 0 20px;
  scroll-snap-type: x proximity;
}

.md-regime-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 220px;
  padding: 14px 16px;
  border: 2px solid var(--dark);
  border-radius: 20px;
  background: var(--white);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.08);
  text-decoration: none;
  color: var(--dark);
}

.md-regime-chip:hover,
.md-regime-chip:focus-visible {
  background: var(--yel);
  outline: none;
}

.md-regime-chip-title,
.md-regime-chip-range {
  display: block;
}

.md-regime-chip-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
}

.md-regime-chip-range {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  color: var(--muted);
  text-transform: lowercase;
}

.md-regime-card {
  background: var(--white);
  border: 2px solid var(--dark);
  border-left: 6px solid var(--yel);
  border-radius: var(--radius-card-lg);
  padding: clamp(20px, 3vw, 30px);
  margin-bottom: 20px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.12);
  scroll-margin-top: calc(var(--nav-h, 57px) + 18px);
}

.md-regime-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.md-regime-spark {
  flex: 0 0 200px;
  max-width: 220px;
}

.md-regime-title {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.md-regime-range {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  text-transform: lowercase;
  color: var(--muted);
}

.md-regime-summary {
  font-size: var(--pulse-reading-size);
  line-height: var(--pulse-reading-line);
  color: var(--pulse-reading-color);
  margin: 0 0 18px;
  max-width: min(68ch, 100%);
}

.md-regime-chart {
  margin: 0 0 18px;
}

.md-event-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.md-event-list li {
  font-size: var(--pulse-reading-size);
  line-height: var(--pulse-reading-line);
  color: var(--pulse-reading-color);
  padding: 11px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.md-event-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.md-event-tag {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  color: var(--muted);
  text-transform: lowercase;
}

.md-regime-lesson {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 4px solid var(--yel);
  background: color-mix(in srgb, var(--yel) 12%, var(--white) 88%);
}

.md-regime-lesson span {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--pulse-score-label-size);
  font-weight: 700;
  letter-spacing: var(--pulse-score-label-tracking);
  text-transform: lowercase;
  color: var(--muted);
}

.md-regime-lesson p {
  margin: 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--dark);
}

.md-regime-quotable {
  margin: 18px 0 0;
  padding: 18px 18px 16px;
  border: 2px solid var(--dark);
  border-radius: var(--radius-card);
  background: var(--dark);
  color: var(--white);
  box-shadow: 4px 4px 0 var(--yel);
}

.md-regime-quotable p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
}

.md-regime-quotable cite {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--pulse-byline-size);
  letter-spacing: var(--pulse-byline-tracking);
  color: rgba(255, 255, 255, 0.65);
  text-transform: lowercase;
  font-style: normal;
}

.md-definitions {
  margin-bottom: clamp(28px, 4vw, 42px);
}

.md-definition-list {
  margin: 0;
  padding: 0;
}

.md-definition {
  padding: 14px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.md-definition:first-child {
  border-top: none;
  padding-top: 0;
}

.md-definition dt,
.md-definition dd {
  margin: 0;
}

.md-definition dt {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dark);
  text-transform: lowercase;
}

.md-definition dd {
  margin-top: 6px;
  font-size: var(--pulse-reading-size);
  line-height: var(--pulse-reading-line);
  color: var(--pulse-reading-color);
}

.md-sources-list {
  margin: 0;
  padding-left: 1.3em;
}

.md-sources-list li {
  margin: 0.55em 0;
  color: var(--text2);
}

.md-sources-list a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.md-regime-nav-wrap {
  position: relative;
  overflow: hidden;
}

.md-regime-nav-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 48px;
  pointer-events: none;
  background: linear-gradient(to right, transparent, #f4f4f2);
}

.md-master-chart,
.md-regime-chart {
  overflow: hidden;
  max-width: 100%;
}

@media (max-width: 600px) {
  .md-master-chart,
  .md-regime-chart {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .md-master-chart svg,
  .md-regime-chart svg {
    min-width: 400px;
  }
}

@media (max-width: 900px) {
  .md-regime-head {
    flex-direction: column;
  }

  .md-regime-spark {
    width: 100%;
    max-width: 160px;
  }
}