body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
}

.light {
  color: #525252;
  background-color: #efefef;
}

a,
a:hover,
a:visited {
  color: #0071bc;
}

#intro {
  margin: auto;
  width: 100%;
  height: 95vh;
  position: relative;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2em;
}

#intro.light {
  background: linear-gradient(-180deg, #f1f5f6 55%, #f1f5f6d6 75%, #f1f5f600);
  background-blend-mode: screen;
}

#intro.dark {
  background: linear-gradient(-180deg, #525252 30%, #525252d4 80%, #52525200);
  background-blend-mode: screen;
}

#intro h1,
#intro h2,
#intro p #intro img {
  margin: 0;
  /* padding: 2vh 2vw; */
  text-align: center;
}

#logo {
  max-width: 15%;
  min-width: 150px;
  padding: 1em;
}

#title {
  display: flex;
  align-items: center;
}

.sx {
  width: 2px;
  height: 12em;
  background: #5252525f;
  margin: 0 1em;
}

.sx.light {
  background: #5252525f;
}

.sx.dark {
  background: #ffffff5f;
}

#slogen {
  height: 12em;
  max-width: 50vw;
  object-fit: contain;
}

.byline {
  padding-top: 2em;
  display: flex;
  align-items: center;
  gap: 1em;
  font-size: 1em;
  font-weight: 600;
}

.byline i {
  -webkit-text-stroke: 1px;
}

.loaded {
  display: none;
}

#loading {
  margin: 0;
  position: absolute;
  width: 100%;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  background: linear-gradient(-180deg, #ffffff00, #f1f5f6 );

}

#loading object {
  width: 100%;
  height: auto;
}

#footer {
  width: 100%;
  min-height: 5vh;
  padding-top: 2vh;
  padding-bottom: 2vh;
  text-align: center;
  line-height: 25px;
  font-size: 1em;
  position: relative;
  z-index: 5;
  background-color: #efefef;
}

.chapter {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #3b3b3b;
  background-color: #f1f5f6;
  border-radius: 10px;
  z-index: 100;
  padding: 25px 50px;
  line-height: 1.5rem;

  /* min-height: 50vh; */
}

.chapter-image {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 60vh;
  object-fit: contain;
}

.section {
  min-height: 50vh;
  position: relative;
  padding-top: 20vh;
  padding-bottom: 80vh;
  opacity: 0.25;
  z-index: 100;
}

.section.active {
  opacity: 1;
}

.section img {
  width: 100%;
}

.centered {
  width: 50vw;
  margin: 0 auto;
}

.lefty {
  width: 33vw;
  margin-left: 5vw;
}

.righty {
  width: 33vw;
  margin-left: 60vw;
}

.fully {
  width: 80%;
  margin: auto;
}

@media (max-width: 750px) {
  .centered,
  .lefty,
  .righty,
  .fully {
    width: 90vw;
    margin: 0 auto;
  }
}

#map {
  top: 0;
  height: 100vh;
  width: 100vw;
  position: fixed;
  z-index: 0;
}

.chart-container {
  width: 100%;
  height: 50vh;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  padding-top: 1.5em;
}

.chart-container > div {
  width: 48%;
  height: 100%;
  margin: 0 1%;
}

@media screen and (max-width: 750px) {
  .chart-container {
    flex-direction: column;
    width: 100%;
    max-height: 100vh;
  }
  .chart-container > div {
    width: 100%;
    max-height: 100vh;
    margin: 0 2%;
  }
  #chart2 {
    transform: scale(0.8);
    position: relative;
  }

  .section {
  padding-top: 30vh;
  padding-bottom: 100vh;
}
}