/* SCL 2026 — large-type, paper-first lecture layouts */

:root {
  --scl-green: #2a3d21;
  --scl-forest: #315f57;
  --scl-blue: #456d7d;
  --scl-purple: #806888;
  --scl-orange: #b8783f;
  --scl-ink: #263238;
  --scl-muted: #64736c;
  --scl-line: #d8e1dc;
  --scl-paper: #ffffff;
  --scl-soft: #f5f8f6;
}

.reveal .slides section {
  padding: 18px 34px 104px 34px;
}

.reveal h2 {
  font-size: 1.62em;
  margin-bottom: 22px;
}

.reveal .subtitle,
.reveal .quarto-title-subtitle {
  font-weight: 650;
}

.reveal .slide-lead {
  margin: 8px 0 22px 0;
  font-size: 0.93em;
  line-height: 1.45;
  font-weight: 750;
  color: var(--scl-ink);
}

.reveal .small-source {
  margin-top: 7px;
  font-size: 0.34em;
  line-height: 1.25;
  color: #6f7d76;
  text-align: center;
}

.reveal .paper-frame {
  box-sizing: border-box;
  padding: 10px;
  background: var(--scl-paper);
  border: 1px solid var(--scl-line);
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(39, 65, 51, 0.11);
}

.reveal .paper-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  object-fit: contain;
}

.reveal .question-banner {
  margin: 6px 0 20px 0;
  padding: 18px 24px;
  color: #ffffff;
  background: linear-gradient(100deg, #294f43 0%, #527b6d 100%);
  border-radius: 12px;
  box-shadow: 0 5px 16px rgba(42, 77, 61, 0.17);
  font-size: 0.84em;
  line-height: 1.35;
  font-weight: 850;
}

.reveal .key-message {
  margin-top: 16px;
  padding: 15px 20px;
  color: #ffffff;
  background: #354b40;
  border-left: 8px solid #9dc2ad;
  border-radius: 9px;
  font-size: 0.66em;
  line-height: 1.42;
  font-weight: 720;
}

.reveal .card-grid-2,
.reveal .card-grid-3,
.reveal .card-grid-5 {
  display: grid;
  gap: 15px;
  align-items: stretch;
}

.reveal .card-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.reveal .card-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.reveal .card-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.reveal .big-card {
  box-sizing: border-box;
  padding: 20px 21px;
  background: #ffffff;
  border: 1px solid var(--scl-line);
  border-top: 7px solid #527b6d;
  border-radius: 11px;
  box-shadow: 0 4px 13px rgba(45, 75, 59, 0.08);
  font-size: 0.64em;
  line-height: 1.42;
}

.reveal .big-card.blue { border-top-color: #668492; background: #f5f9fb; }
.reveal .big-card.purple { border-top-color: #806888; background: #faf7fb; }
.reveal .big-card.orange { border-top-color: #bd874d; background: #fff9f1; }
.reveal .big-card.gray { border-top-color: #718078; background: #f7f9f8; }

.reveal .big-card .eyebrow {
  margin-bottom: 8px;
  color: var(--scl-muted);
  font-size: 0.72em;
  font-weight: 850;
  letter-spacing: 0.03em;
}

.reveal .big-card .big-number {
  display: block;
  margin: 5px 0;
  color: var(--scl-green);
  font-size: 1.62em;
  line-height: 1.08;
  font-weight: 950;
}

.reveal .big-card .method-name {
  display: block;
  margin-bottom: 8px;
  color: var(--scl-green);
  font-size: 1.08em;
  line-height: 1.24;
  font-weight: 900;
}

.reveal .stat-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 11px;
  margin-top: 18px;
}

.reveal .stat-map .map-card {
  min-height: 340px;
  box-sizing: border-box;
  padding: 17px 15px;
  border-radius: 12px;
  background: #f5f8f6;
  border-top: 8px solid #527b6d;
  box-shadow: 0 4px 13px rgba(45, 75, 59, 0.08);
  font-size: 0.48em;
  line-height: 1.38;
}

.reveal .stat-map .map-card:nth-child(2) { border-top-color: #668492; background: #f3f7fa; }
.reveal .stat-map .map-card:nth-child(3) { border-top-color: #806888; background: #faf6fb; }
.reveal .stat-map .map-card:nth-child(4) { border-top-color: #bd874d; background: #fff9f1; }
.reveal .stat-map .map-card:nth-child(5) { border-top-color: #4f7167; background: #f0f6f3; }

.reveal .stat-map .map-no {
  color: var(--scl-muted);
  font-size: 0.78em;
  font-weight: 900;
}

.reveal .stat-map .map-title {
  min-height: 78px;
  margin: 7px 0 13px 0;
  color: var(--scl-ink);
  font-size: 1.28em;
  line-height: 1.22;
  font-weight: 950;
}

.reveal .stat-map .map-method {
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px solid #d5dfda;
  color: #3e5e50;
  font-weight: 820;
}

.reveal .unit-flow,
.reveal .analysis-chain {
  display: grid;
  align-items: center;
  gap: 10px;
}

.reveal .unit-flow { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.reveal .analysis-chain { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.reveal .flow-step {
  position: relative;
  box-sizing: border-box;
  min-height: 146px;
  padding: 18px 13px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  background: #ffffff;
  border: 1px solid var(--scl-line);
  border-radius: 11px;
  font-size: 0.56em;
  line-height: 1.35;
  box-shadow: 0 3px 10px rgba(45, 75, 59, 0.07);
}

.reveal .flow-step strong {
  color: var(--scl-green);
  font-size: 1.16em;
}

.reveal .flow-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -17px;
  top: 50%;
  z-index: 3;
  transform: translateY(-50%);
  color: #718078;
  font-size: 1.45em;
  font-weight: 950;
}

.reveal .fraction-card {
  padding: 18px;
  background: #f5f8f6;
  border-radius: 12px;
  text-align: center;
}

.reveal .fraction-card .numerator {
  padding-bottom: 9px;
  border-bottom: 3px solid #527b6d;
  color: #315f57;
  font-size: 0.72em;
  font-weight: 900;
}

.reveal .fraction-card .denominator {
  padding-top: 9px;
  color: #586a62;
  font-size: 0.64em;
  font-weight: 750;
}

.reveal .comparison-arrow {
  display: grid;
  grid-template-columns: 1fr 90px 1fr;
  gap: 14px;
  align-items: center;
  text-align: center;
}

.reveal .comparison-arrow .arrow {
  color: #527b6d;
  font-size: 1.35em;
  font-weight: 950;
}

.reveal .metric-block {
  padding: 20px 14px;
  background: #ffffff;
  border: 1px solid var(--scl-line);
  border-radius: 11px;
  box-shadow: 0 3px 10px rgba(45, 75, 59, 0.07);
}

.reveal .metric-block .metric {
  display: block;
  margin: 4px 0;
  color: var(--scl-green);
  font-size: 1.05em;
  line-height: 1.10;
  font-weight: 950;
}

.reveal .method-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 12px 0;
}

.reveal .method-strip > div {
  padding: 15px 13px;
  background: #f5f8f6;
  border-left: 6px solid #527b6d;
  border-radius: 8px;
  font-size: 0.56em;
  line-height: 1.32;
}

.reveal .section-break {
  text-align: left;
}

.reveal .section-break h2 {
  margin-top: 105px !important;
  border-bottom: 0;
  font-size: 2.25em;
  line-height: 1.12;
  max-width: 1120px;
}

.reveal .section-break .section-no {
  display: inline-block;
  margin-top: 30px;
  padding: 8px 15px;
  color: #ffffff;
  background: #527b6d;
  border-radius: 999px;
  font-size: 0.55em;
  font-weight: 900;
}

.reveal .section-break .section-sub {
  max-width: 1160px;
  color: #52645d;
  font-size: 0.78em;
  line-height: 1.45;
  font-weight: 650;
}

.reveal .check-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.reveal .check-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px 18px;
  background: #ffffff;
  border: 1px solid var(--scl-line);
  border-radius: 10px;
  font-size: 0.62em;
  line-height: 1.32;
}

.reveal .check-item .check-no {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #ffffff;
  background: #527b6d;
  border-radius: 50%;
  font-weight: 950;
}

.reveal .takehome-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
  margin-top: 14px;
}

.reveal .takehome {
  min-height: 112px;
  box-sizing: border-box;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 13px;
  align-items: center;
  background: #f5f8f6;
  border-radius: 10px;
  font-size: 0.58em;
  line-height: 1.33;
}

.reveal .takehome strong:first-child {
  color: #527b6d;
  font-size: 1.35em;
}

.reveal .paper-label {
  display: inline-block;
  margin-bottom: 8px;
  padding: 6px 11px;
  color: #ffffff;
  background: #806888;
  border-radius: 999px;
  font-size: 0.38em;
  font-weight: 900;
}

.reveal .muted {
  color: var(--scl-muted);
}

.reveal .no-margin p,
.reveal p.no-margin {
  margin: 0;
}

@media (max-width: 1000px) {
  .reveal .stat-map,
  .reveal .card-grid-5,
  .reveal .unit-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}