@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;450;500;600;700&family=IBM+Plex+Serif:wght@400;500;600&display=swap");

:root {
  --paper: #ffffff;
  --ink: #151515;
  --soft-ink: #44413b;
  --muted: #77736a;
  --hairline: #e2e2e2;
  --accent: #1f5d61;
  --accent-soft: #e8f0ef;
  --rule: rgba(21, 21, 21, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  background: var(--paper);
}

.reveal {
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 31px;
  font-weight: 400;
}

.reveal .slides {
  text-align: left;
}

.reveal .slide {
  height: 720px;
  overflow: hidden;
  padding: 54px 70px;
  position: relative;
  width: 1280px;
}

.reveal h1,
.reveal h2,
.reveal h3,
.reveal p,
.reveal li {
  font-family: inherit;
  letter-spacing: 0;
  margin: 0;
  text-transform: none;
}

.reveal h1 {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: 112px;
  font-weight: 500;
  line-height: 0.92;
}

.reveal h2 {
  color: var(--ink);
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: 43px;
  font-weight: 500;
  line-height: 1.08;
  max-width: none;
}

.nowrap {
  white-space: nowrap;
}

.kicker {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1;
  margin-bottom: 16px;
  text-transform: uppercase;
}

header {
  margin-bottom: 34px;
}

.title-slide {
  padding: 86px 80px 70px;
}

.title-grid {
  display: grid;
  grid-template-rows: auto auto auto auto auto;
  row-gap: 0;
  height: 100%;
}

.title-kicker {
  margin-bottom: 38px;
}

.subtitle-block {
  color: var(--soft-ink);
  font-size: 38px;
  font-weight: 400;
  line-height: 1.22;
  margin-top: 92px;
  margin-bottom: 88px;
  max-width: none;
  white-space: nowrap;
}

.title-meta {
  color: var(--soft-ink);
  display: inline-grid;
  row-gap: 18px;
  padding-left: 22px;
  position: relative;
  width: fit-content;
}

.title-meta::before {
  background: var(--accent);
  bottom: 4px;
  content: "";
  left: 0;
  position: absolute;
  top: 0;
  width: 3px;
}

.title-meta p {
  font-size: 20px;
  line-height: 1.16;
}

.title-meta .authors {
  color: var(--ink);
  font-size: 21px;
  line-height: 1.16;
}

.reveal sup {
  color: var(--accent);
  font-size: 0.56em;
  font-weight: 700;
  line-height: 0;
  vertical-align: super;
}

.qr-block,
.project-link {
  color: var(--soft-ink);
  display: grid;
  gap: 10px;
  justify-items: center;
}

.qr-block p {
  font-size: 17px;
  line-height: 1.2;
  white-space: nowrap;
}

.project-link {
  align-items: center;
  column-gap: 18px;
  grid-template-columns: auto auto;
  justify-content: start;
  justify-items: start;
}

.project-link p {
  margin: 0;
}

.project-label {
  color: var(--ink);
  font-size: 24px;
  font-weight: 650;
  line-height: 1.1;
}

.project-note {
  color: var(--soft-ink);
  font-size: 18px;
  line-height: 1.25;
  margin-top: 7px;
}

.project-url {
  color: var(--accent);
  font-size: 16px;
  line-height: 1.2;
  margin-top: 10px;
}

.qr-code {
  background: #ffffff;
  height: 118px;
  width: 118px;
}

.qr-code img,
.qr-code canvas {
  display: block;
}

.title-qr {
  margin-top: 42px;
  justify-self: start;
  width: fit-content;
}

.split {
  align-items: center;
  display: grid;
  gap: 48px;
}

.split.wide-visual {
  grid-template-columns: 720px 1fr;
}

.split.equal {
  grid-template-columns: 590px 1fr;
}

.split.narrow-visual {
  grid-template-columns: 480px 1fr;
}

.visual {
  margin: 0;
  width: 100%;
}

.visual img {
  background: #ffffff;
  border: 0;
  box-shadow: none;
  display: block;
  max-height: 100%;
  object-fit: contain;
  width: 100%;
}

.framed img {
  padding: 0;
}

.side-note {
  border-left: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 58px;
  padding-left: 30px;
}

.lead {
  color: var(--ink);
  font-size: 29px;
  font-weight: 500;
  line-height: 1.22;
  margin-bottom: 0;
}

.clean-list {
  display: grid;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.clean-list li {
  color: var(--soft-ink);
  font-size: 22px;
  line-height: 1.34;
  padding-left: 24px;
  position: relative;
}

.clean-list li::before {
  background: var(--accent);
  content: "";
  height: 6px;
  left: 0;
  position: absolute;
  top: 9px;
  width: 6px;
}

.clean-list span {
  color: var(--ink);
  display: block;
  font-weight: 650;
  margin-bottom: 2px;
}

.formula-body {
  display: grid;
  grid-template-rows: 3fr 5fr 2fr;
  height: 495px;
}

.equation {
  align-items: center;
  background: #ffffff;
  border: 0;
  color: var(--ink);
  display: flex;
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: 40px;
  gap: 22px;
  justify-content: center;
  line-height: 1.15;
  margin: 0;
  padding: 30px 28px;
  place-self: center stretch;
  white-space: nowrap;
}

.operator {
  color: var(--accent);
  font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
}

.definition-list {
  display: grid;
  gap: 22px;
  place-self: center stretch;
}

.definition-list p {
  align-items: baseline;
  border-top: 1px solid var(--hairline);
  color: var(--soft-ink);
  column-gap: 28px;
  display: grid;
  font-size: 22px;
  grid-template-columns: 150px 1fr;
  line-height: 1.28;
  padding-top: 18px;
}

.definition-list span,
.caption-grid span,
.takeaway-list span {
  color: var(--accent);
  display: inline;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 0;
  text-transform: none;
}

.statement,
.footline,
.takeaway-list p {
  color: var(--soft-ink);
  font-size: 19px;
  line-height: 1.32;
}

.footline {
  color: var(--ink);
  font-size: 25px;
  font-weight: 500;
  line-height: 1.24;
  margin-top: 0;
  padding-left: 0;
  place-self: center stretch;
  position: static;
}

.figure-slide .full img {
  max-height: 420px;
}

.result-slide .full img {
  max-height: 420px;
}

.chart img {
  padding: 0;
}

.setup-grid {
  display: grid;
  gap: 56px;
  grid-template-columns: 1fr 1fr;
  margin-top: 34px;
}

.setup-grid > div {
  color: var(--soft-ink);
  font-size: 19px;
  line-height: 1.32;
}

.setup-heading {
  color: var(--accent);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
}

.setup-grid span {
  color: var(--ink);
  font-weight: 650;
}

.setup-grid ul {
  display: grid;
  gap: 11px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.setup-grid li {
  color: var(--soft-ink);
  font-size: 19px;
  line-height: 1.32;
  padding-left: 20px;
  position: relative;
}

.setup-grid li::before {
  background: var(--accent);
  content: "";
  height: 5px;
  left: 0;
  position: absolute;
  top: 10px;
  width: 5px;
}

.statement,
.evidence-card figcaption {
  border-left: 3px solid var(--accent);
  font-size: 20px;
  line-height: 1.34;
  padding-left: 18px;
}

.statement {
  bottom: 54px;
  left: 70px;
  position: absolute;
  right: 70px;
}

.evidence-grid {
  display: grid;
  align-items: start;
  gap: 40px;
  grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr);
  margin-top: 34px;
}

.evidence-grid .visual img {
  height: auto;
  max-height: 330px;
  width: 100%;
}

.evidence-card {
  display: grid;
  grid-template-rows: 330px auto;
  row-gap: 24px;
}

.evidence-card img {
  align-self: center;
  justify-self: center;
}

.evidence-card figcaption {
  color: var(--soft-ink);
}

.takeaway-list {
  display: grid;
  gap: 24px;
  margin-top: 58px;
  max-width: none;
}

.takeaway-list p {
  align-items: baseline;
  border-top: 1px solid var(--hairline);
  color: var(--ink);
  column-gap: 26px;
  display: grid;
  font-size: 25px;
  grid-template-columns: 128px 1fr;
  line-height: 1.2;
  padding-top: 20px;
}

.takeaway-list span {
  display: inline;
  margin-bottom: 0;
}

.closing-qr {
  bottom: 76px;
  left: 80px;
  position: absolute;
  width: fit-content;
}

.reveal aside.notes {
  display: none;
}