/* ═══════════════════════════════════════════════════════════════
   THE WRONG KIND OF MOMENTUM · styles.css
   Editorial layout for Quarto
   Spectral body · Inter headings · JetBrains Mono utility text
   Video hero · left sticky TOC · wide figures
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

html {
  scroll-behavior: auto !important;
  background-color: #f2f7f2 !important;
}

html, body {
  margin: 0 !important;
  padding: 0 !important;
  background-color: #f2f7f2 !important;
}

body, #quarto-body {
  background-color: #f2f7f2 !important;
}

body.quarto-light {
  background-color: #f2f7f2 !important;
}

/* ─── Tokens ────────────────────────────────────────────── */
:root {
  --bg: #ffffff;
  --bg-soft: #f7f7f5;
  --bg-inset: #f0f0ec;

  --text: #1a1a1a;
  --text-strong: #000000;
  --text-muted: #5e5e5e;
  --text-faint: #8f8f8f;

  --rule: #e5e5e0;
  --rule-strong: #c8c8c0;

  --accent: #3d7b4f;
  --accent-deep: #285a36;
  --accent-soft: #e8f0ea;

  --hangover: #b04a4a;
  --momentum: #3d7b4f;
  --atp: #2a4a6b;
  --wta: #b25b2e;

  --serif: "Spectral", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

  --col-text: 720px;
  --col-figure: 1080px;
  --col-wide: 1240px;
  --toc-width: 260px;

  --ease: cubic-bezier(0.2, 0, 0, 1);
}

/* ─── Base ──────────────────────────────────────────────── */
html,
body {
  margin: 0 !important;
  padding: 0 !important;
  background: #f2f7f2 !important;
  color: var(--text) !important;
  font-family: var(--serif) !important;
  font-size: 19px !important;
  line-height: 1.7 !important;
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* Hide Quarto’s default title block */
.quarto-title-block,
.quarto-title-banner,
#title-block-header,
header#title-block-header,
#title-block-header > .quarto-title,
.quarto-title,
.quarto-title-meta {
  display: none !important;
}

/* ─── Quarto layout ─────────────────────────────────────── */
#quarto-content.page-columns {
  display: grid !important;
  grid-template-columns: var(--toc-width) minmax(0, 1fr) !important;
  column-gap: 48px !important;
  width: 100% !important;
  max-width: var(--col-wide) !important;
  margin: 0 auto !important;
  padding: 0 24px 0 48px !important;
  align-items: start !important;
  background-color: #f2f7f2 !important;
}

#quarto-content {
  background-color: #f2f7f2 !important;
  min-height: 100vh !important;
}

#quarto-sidebar-toc-left {
  grid-column: 1 !important;
  width: var(--toc-width) !important;
  min-width: var(--toc-width) !important;
  max-width: var(--toc-width) !important;
  position: sticky !important;
  top: 40px !important;
  align-self: start !important;
  padding-left: 0px !important;
  margin-left: -24px !important;
}

#quarto-margin-sidebar {
  display: none !important;
}

#quarto-document-content {
  grid-column: 2 !important;
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}

main.content {
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
  padding: 0 !important;
  counter-reset: section;
}

.container,
.container-fluid {
  max-width: unset !important;
}

/* ─── Typography ────────────────────────────────────────── */
main.content p,
main.content li {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 26px;
}

main.content strong {
  font-weight: 600;
  color: var(--text-strong);
  background: none;
  padding: 0;
}

main.content em {
  font-style: italic;
}

main.content a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 123, 79, 0.3);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

main.content a:hover {
  color: var(--accent-deep);
  border-bottom-color: var(--accent-deep);
}

main.content h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-strong);
  margin: 104px 0 28px;
  padding: 0 28px;
  border: none;
  max-width: var(--col-text);
  position: relative;
  counter-increment: section;
}

main.content h2::before {
  content: counter(section, decimal-leading-zero);
  display: block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent);
}

main.content h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-strong);
  margin: 48px 0 14px;
}

/* Text width */
main.content > p,
main.content > ul,
main.content > ol,
main.content > h2,
main.content > h3,
main.content > blockquote,
main.content > hr,
main.content section > p,
main.content section > ul,
main.content section > ol,
main.content section > h3 {
  max-width: var(--col-text);
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}

main.content h2,
main.content h3,
main.content section.level2 > h2,
main.content section.level3 > h3 {
  padding-left: 28px !important;
  padding-right: 28px !important;
  max-width: var(--col-text) !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Opening drop cap */
main.content > p:first-of-type::first-letter,
main.content section.level1 > p:first-of-type::first-letter {
  float: left;
  margin: 8px 14px -4px -4px;
  font-family: var(--serif);
  font-size: 74px;
  font-weight: 400;
  line-height: 0.82;
  color: var(--accent);
  font-style: italic;
}

main.content hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 72px auto;
  max-width: 200px;
}

main.content code:not(pre code) {
  font-family: var(--mono);
  font-size: 0.88em;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--accent-deep);
  background: var(--bg-inset);
  padding: 2px 6px;
  border-radius: 2px;
}

/* ─── Video hero ────────────────────────────────────────── */
.hero-banner {
  position: relative;
  width: 100%;
  min-height: 480px;
  margin: 40px auto 80px;
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  align-items: center;
  background: linear-gradient(to right, #1a3d2b, #4a9b6f);
  isolation: isolate;
}

.hero-banner iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 177.78vh;
  min-width: 100%;
  height: 56.25vw;
  min-height: 100%;
  transform: translate(-50%, -50%);
  border: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-banner__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.18) 0%,
    rgba(0, 0, 0, 0.42) 58%,
    rgba(0, 0, 0, 0.74) 100%
  );
}

.hero-banner__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 42px 24px;
  text-align: center;
}

.hero-banner__eyebrow {
  margin-bottom: 18px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
}

.hero-banner__title {
  margin: 0 0 20px;
  font-family: var(--serif);
  font-size: clamp(46px, 7vw, 92px);
  line-height: 1.02;
  font-weight: 400;
  letter-spacing: -0.03em;
  color: #ffffff;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.28);
}

.hero-banner__dek {
  max-width: 760px;
  margin: 0 auto 36px;
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
  font-style: italic;
  color: #ffffff !important;
  opacity: 1 !important;
}

.hero-banner__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: 0;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-banner__meta > div {
  padding: 0 18px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-banner__meta > div:last-child {
  border-right: none;
}

.hero-banner__meta span:first-child {
  display: block;
  margin-bottom: 7px;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
}

.hero-banner__meta span:last-child {
  display: block;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.96);
}

.hero-banner__court {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 1;
  pointer-events: none;
}

.bounce-svg {
  width: 100%;
  height: 120px;
}

.tennis-ball {
  offset-path: path('M80,94 C120,94 140,10 240,94 C300,94 340,20 400,94 C450,94 480,35 560,94 C600,94 625,52 700,94');
  offset-distance: 0%;
  animation: ballroll 4s linear infinite;
}

@keyframes ballroll {
  0%   { offset-distance: 0%; }
  100% { offset-distance: 100%; }
}

/* ─── Left TOC ──────────────────────────────────────────── */
#quarto-sidebar-toc-left #TOC {
  position: relative !important;
  width: 100% !important;
  max-height: calc(100vh - 64px) !important;
  overflow-y: auto !important;
  padding: 28px 24px !important;
  font-family: var(--sans) !important;
  font-size: 14px !important;
  line-height: 1.45 !important;
  background: var(--bg) !important;
  border: 1px solid var(--rule) !important;
  border-radius: 10px !important;
}

#quarto-sidebar-toc-left #TOC::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 74px;
  bottom: 24px;
  width: 1px;
  background: var(--rule);
  opacity: 0.9;
}

#quarto-sidebar-toc-left #toc-title {
  margin: 0 0 18px 0 !important;
  padding: 0 0 14px 14px !important;
  font-family: var(--sans) !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  letter-spacing: 0.02em !important;
  color: var(--text-strong) !important;
  border-bottom: 1px solid var(--rule) !important;
  border-left: 4px solid var(--accent) !important;
}

#quarto-sidebar-toc-left #TOC ul {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

#quarto-sidebar-toc-left #TOC li {
  margin: 0 !important;
  padding: 0 !important;
}

#quarto-sidebar-toc-left #TOC a {
  display: block !important;
  position: relative;
  margin-left: 0 !important;
  padding: 10px 12px 10px 28px !important;
  font-family: var(--sans) !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  line-height: 1.42 !important;
  color: var(--text-muted) !important;
  text-decoration: none !important;
  border: none !important;
  border-radius: 6px !important;
  transition:
    color 0.24s var(--ease),
    transform 0.24s var(--ease),
    background-color 0.24s var(--ease);
}

#quarto-sidebar-toc-left #TOC a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: transparent;
  transform: translateY(-50%);
  transition:
    background-color 0.24s var(--ease),
    transform 0.24s var(--ease),
    box-shadow 0.24s var(--ease);
}

#quarto-sidebar-toc-left #TOC a:hover {
  color: var(--text-strong) !important;
  background: rgba(0, 0, 0, 0.02) !important;
  transform: translateX(2px);
}

#quarto-sidebar-toc-left #TOC a:hover::before {
  background: var(--rule-strong);
  transform: translateY(-50%) scale(1.05);
}

#quarto-sidebar-toc-left #TOC a.active {
  color: var(--accent) !important;
  font-weight: 600 !important;
  background: rgba(61, 123, 79, 0.07) !important;
  transform: translateX(4px);
}

#quarto-sidebar-toc-left #TOC a.active::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(61, 123, 79, 0.12);
  transform: translateY(-50%) scale(1.12);
}

#quarto-sidebar-toc-left #TOC ul ul {
  margin-top: 3px !important;
  margin-left: 14px !important;
  padding-left: 10px !important;
  border-left: 1px solid rgba(0, 0, 0, 0.06) !important;
}

#quarto-sidebar-toc-left #TOC ul ul a {
  font-size: 13px !important;
  padding-top: 8px !important;
  padding-bottom: 8px !important;
  opacity: 0.95;
}

#toc-active-indicator {
  position: absolute;
  left: 17px;
  z-index: 3;
  width: 3px;
  border-radius: 999px;
  opacity: 0;
  background: var(--accent);
  transition:
    top 0.28s var(--ease),
    height 0.28s var(--ease),
    opacity 0.2s var(--ease);
}

/* ─── Stats grid ────────────────────────────────────────── */
.stats-grid {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 0 !important;
  max-width: var(--col-figure) !important;
  margin: 72px auto !important;
  padding: 0 !important;
  border-top: 1px solid var(--text-strong) !important;
  border-bottom: 1px solid var(--text-strong) !important;
}

.stat {
  margin: 0 !important;
  padding: 44px 24px !important;
  max-width: none !important;
  background: transparent !important;
  border-right: 1px solid var(--rule) !important;
}

.stat:last-child {
  border-right: none !important;
}

.stat__value {
  margin-bottom: 12px !important;
  font-family: var(--serif) !important;
  font-size: clamp(36px, 4.4vw, 54px) !important;
  font-weight: 300 !important;
  line-height: 1 !important;
  letter-spacing: -0.02em !important;
  font-variant-numeric: tabular-nums !important;
  color: var(--text-strong) !important;
}

.stat__label {
  font-family: var(--sans) !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  line-height: 1.4 !important;
  letter-spacing: 0.14em !important;
  text-transform: uppercase !important;
  color: var(--text-muted) !important;
}

/* ─── Pull quote ────────────────────────────────────────── */
.pullquote {
  max-width: 720px !important;
  margin: 80px auto !important;
  padding: 40px 0 40px 36px !important;
  font-family: var(--serif) !important;
  font-size: clamp(24px, 2.6vw, 32px) !important;
  font-weight: 300 !important;
  line-height: 1.32 !important;
  font-style: italic !important;
  color: var(--text-strong) !important;
  text-align: left !important;
  background: none !important;
  border-left: 3px solid var(--accent) !important;
}

.pullquote::before {
  content: none !important;
}

.pullquote cite {
  display: block;
  margin-top: 22px;
  font-family: var(--sans);
  font-size: 11px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ─── Figures and iframes ───────────────────────────────── */
main.content .figure,
main.content figure {
  max-width: var(--col-figure) !important;
  margin: 64px auto !important;
  padding: 0 24px !important;
}

main.content .figure img,
main.content figure img,
main.content > p > img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 0;
  box-shadow: none;
}

main.content .figure-caption,
main.content figcaption {
  max-width: 680px !important;
  margin-top: 18px !important;
  padding: 0 !important;
  font-family: var(--sans) !important;
  font-size: 13px !important;
  line-height: 1.55 !important;
  font-style: normal !important;
  color: var(--text-muted) !important;
  text-align: left !important;
}

main.content iframe {
  display: block;
  width: 100%;
  max-width: var(--col-figure);
  margin: 64px auto !important;
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--rule) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

/* ─── Reveal section ────────────────────────────────────── */
.reveal-section {
  max-width: var(--col-figure) !important;
  margin: 32px auto 64px !important;
  padding: 20px !important;
  background: var(--bg) !important;
}

.reveal-chart {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 24px;
  background: var(--bg);
}

.reveal-chart svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.reveal-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
  margin-bottom: 48px !important;
}

.reveal-btn {
  padding: 11px 22px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}

.reveal-btn:hover {
  color: var(--text-strong);
  border-color: var(--text-strong);
}

.reveal-btn.active {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

/* ─── Momentum table (output1) ─────────────────────────── */
.table-container {
  overflow-x: auto;
}

table.momentum-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table.momentum-table th {
  background: var(--bg-inset);
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 2px solid #d0d0cc;
  color: var(--text-strong);
}

table.momentum-table td {
  padding: 9px 14px;
  border-bottom: 1px solid #e8e8e4;
  color: var(--text);
}

table.momentum-table tr:last-child td {
  border-bottom: none;
}

/* ─── Footer ────────────────────────────────────────────── */
.article-footer {
  max-width: var(--col-text) !important;
  margin: 120px auto 80px !important;
  padding: 48px 28px 0 !important;
  font-family: var(--sans) !important;
  font-size: 13px !important;
  line-height: 1.65 !important;
  color: var(--text-muted) !important;
  border-top: 1px solid var(--rule) !important;
}

.article-footer + .article-footer {
  margin-top: 0 !important;
  margin-bottom: 40px !important;
}

.article-footer p {
  margin-bottom: 18px !important;
  font-family: var(--sans) !important;
  font-size: 13px !important;
  line-height: 1.65 !important;
}

.article-footer li {
  font-family: var(--sans) !important;
  font-size: 13px !important;
  line-height: 1.65 !important;
  color: var(--text-muted) !important;
  margin-bottom: 4px !important;
}

.article-footer ul {
  padding-left: 20px !important;
  margin-bottom: 0 !important;
}

.article-footer strong {
  font-weight: 600 !important;
  color: var(--text-strong) !important;
  background: none !important;
}

.article-footer code:not(pre code) {
  background: var(--bg-inset) !important;
  font-size: 0.85em !important;
}

/* ─── Utility / cleanup ─────────────────────────────────── */
.nav-footer,
#quarto-footer {
  display: none !important;
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.sans {
  font-family: var(--sans);
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  #quarto-content.page-columns {
    grid-template-columns: 1fr !important;
    column-gap: 0 !important;
    padding: 0 16px !important;
  }

  #quarto-sidebar-toc-left {
    display: none !important;
  }

  #quarto-document-content {
    grid-column: 1 !important;
  }

  .hero-banner {
    min-height: 440px;
    margin: 20px auto 56px;
    border-radius: 10px;
  }

  .hero-banner__content {
    padding: 0 22px 28px;
  }

  .hero-banner__meta {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 0;
  }

  .hero-banner__meta > div:nth-child(2) {
    border-right: none;
  }

  .hero-banner__meta > div:nth-child(1),
  .hero-banner__meta > div:nth-child(2) {
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  main.content > p,
  main.content > ul,
  main.content > ol,
  main.content > h2,
  main.content > h3 {
    padding-left: 20px;
    padding-right: 20px;
  }

}

@media (max-width: 720px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .stat {
    border-bottom: 1px solid var(--rule) !important;
  }

  .stat:nth-child(2n) {
    border-right: none !important;
  }

  .stat:nth-last-child(-n + 2) {
    border-bottom: none !important;
  }
}

@media print {
  .hero-banner,
  .stats-grid,
  .reveal-section {
    background: var(--bg) !important;
  }

  .hero-banner iframe,
  .hero-banner__overlay {
    display: none !important;
  }
}