:root {
  --c-sled_blue: #006680;
  --c-sled_light_blue: #87d2e7;
  --c-sled_orange: #fd6b0d;
  --t-sled_light-blue: #edf8fb;
  --t-sled_dark-blue: #80b3c0;
  --fs-nav_font: 0.9em;
  --fs-heading: 2.1em;
  --fs-body: 0.95em;
  --fs-refs: 0.6em;
  --nav-v_spacing: 2em;
  --side_gutters: 2.5%;
}

@font-face {
  font-display: swap;
  font-family: "Volta Modern Display";
  font-style: normal;
  font-weight: 400;
  src: url("./fonts/VoltaModernDisplay-55Roman.otf") format("opentype");
}

@font-face {
  font-display: swap;
  font-family: "Volta Modern Display";
  font-style: italic;
  font-weight: 400;
  src: url("./fonts/VoltaModernDisplay-56Italic.otf") format("opentype");
}

@font-face {
  font-display: swap;
  font-family: "Volta Modern Display";
  font-style: normal;
  font-weight: 700;
  src: url("./fonts/VoltaModernDisplay-75Bold.otf") format("opentype");
}

* {
  font-family: "Volta Modern Display", Helvetica, Arial, sans-serif;
}

h1 {
  color: var(--c-sled_light_blue);
  font-size: var(--fs-heading);
  margin-top: 1.6rem;
  margin-bottom: 1rem;
}

h3 {
  color: #ffffff;
  font-size: 1.6em;
  margin-top: 1.6rem;
  margin-bottom: 1rem;
}

#sled_container {
  display: flex;
  flex-direction: column;
  position: relative;
  border: 2px solid var(--c-gray-dark);
  margin: auto;
  max-width: 1024px;
}

#main_container {
  display: flex;
  flex-direction: column;
  padding-bottom: 1rem;
  flex: 1;
}

#sled_footer {
  border-top: 1px solid #858080;
  margin: 0 var(--side_gutters);
}

.nav-row,
#top_nav,
#footer_nav {
  display: flex;
  align-items: center;
  column-gap: var(--fs-nav_font);
}

#top_nav,
#footer_nav {
  list-style: none;
}

#top_nav,
#footer_nav,
.side-tab {
  font-size: var(--fs-nav_font);
  color: var(--c-sled_blue);
  font-weight: 700;
  text-transform: uppercase;
}

#footer_nav li {
  padding: var(--nav-v_spacing) 0;
}

#main_container {
  padding-top: var(--nav-v_spacing);
}

/* :is(#top_nav, #footer_nav) li {
  padding: var(--nav-v_spacing) 0;
} */
/* 
.side-tab-left,
.side-tabs-container {
  margin-top: var(--nav-v_spacing);
} */

:is(#top_nav, #footer_nav) li a {
  position: relative;
}

:is(#top_nav, #footer_nav) li:not(.home-link) a.active::after {
  background-color: var(--c-sled_blue);
  position: absolute;
  content: "";
  left: 0;
  bottom: -10px;
  width: 55px;
  height: 1px;
}

#top_nav {
  column-gap: 2.5rem;
}

#footer_nav {
  flex: 1;
  justify-content: space-evenly;
}

.side-tabs-container {
  display: flex;
  flex-direction: column;
  row-gap: 10px;
  margin-left: auto;
}

.side-tab {
  display: flex;
  align-items: center;
  width: 170px;
  height: 40px;
}

.side-tab-left {
  color: #ffffff;
  background-color: var(--c-sled_blue);
 /* border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;*/
  padding-left: 30px;
  padding-right: 20px;
}

.side-tab-right {
  background-color: var(--c-sled_light_blue);
  /*border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;*/
  padding-left: 20px;
  padding-right: 30px;
}

/* WORKINGS OUT */
.disable-link:not(.active) {
  color: var(--t-sled_dark-blue);
  cursor: default;
}
/* #ref_container {
  display: none;
}

#ref_container.active {
  display: block;
  position: absolute;
  background-color: var(--t-sled_light-blue);
  top: 4%;
  left: 3%;
  width: 94%;
  height: 92%;
} */

.popup {
  display: none;
  position: absolute;
  /* left: var(--side_gutters);
  right: var(--side_gutters);
  top: var(--nav-v_spacing);
  bottom: var(--nav-v_spacing); */
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  padding: var(--nav-v_spacing) var(--side_gutters);
  background: #ffffff;
}

.popup.active {
  display: block;
}

.popup-inner {
  display: flex;
  flex-direction: column;
  position: relative;
  width: 100%;
  height: 100%;
  border: 1px solid #d4d8db;
  border-radius: 20px;
  padding-top: 1.5em;
  padding-bottom: 1.5em;
}

.close-popup {
  background-image: url("../img/close-btn.png");
  background-repeat: no-repeat;
  background-size: contain;
  width: 32px;
  height: 32px;
  margin-left: auto;
  margin-bottom: 1.5em;
}

.popup h2 {
  font-size: var(--fs-heading);
  margin-bottom: 0.5em;
  color: var(--c-sled_light_blue);
}

.popup-multi-cont {
  flex: 1;
}

.pop-slide {
  flex-direction: column;
  height: 100%;
}

.popup-multi-cont .pop-slide {
  display: none;
}

.popup-multi-cont .pop-slide.active {
  display: flex;
}

.popup-multi-nav {
  position: absolute;
  background-size: contain;
  background-repeat: no-repeat;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
}

.popup-multi-nav[data-dir="prev"] {
  background-image: url("../img/popup-nav-prev.png");
  transform: translateX(-50%);
  left: 0%;
}

.popup-multi-nav[data-dir="next"] {
  background-image: url("../img/popup-nav-next.png");
  transform: translateX(50%);
  right: 0%;
}

.list {
  margin-left: var(--fs-body);
  margin-bottom: var(--fs-body);
}

.ref-number {
  margin-right: var(--fs-body);
}

.study-design-label {
  top: calc(var(--nav-v_spacing) + 1.5em);
  left: 0;
  position: absolute;
  background-color: var(--c-sled_blue);
  color: #ffffff;
  padding: 0.8em 60px 0.8em var(--side_gutters);
  font-size: var(--fs-body);
  font-weight: 700;
}

.pop-graph-1 {
  column-gap: 0.5em;
  justify-content: center;
  margin-bottom: 1em;
}

.pop-text-boxes {
  justify-content: space-evenly;
  gap: 0.5em;
}

/* 
#refs-pop {
  top: 1em;
  bottom: 1em;
} */

/* UTILITY */
.d-flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.mt-auto {
  margin-top: auto;
}

.ml-auto {
  margin-left: auto;
}

.flex-1 {
  flex: 1;
}

.flex-2 {
  flex: 2;
}

.flex-3 {
  flex: 3;
}

.align-start {
  align-items: flex-start;
}

.h-padding {
  padding-left: var(--side_gutters);
  padding-right: var(--side_gutters);
}

.fs-body {
  font-size: var(--fs-body);
}

.fs-body:not(:last-child) {
  margin-bottom: var(--fs-body);
}

.fs-refs {
  font-size: var(--fs-refs);
}

.fs-refs:not(:last-child) {
  margin-bottom: var(--fs-refs);
}

.mb-med {
  margin-bottom: var(--fs-body);
}

.mb-lrg {
  margin-bottom: var(--fs-heading);
}

.text-kisqali-orange {
  color: var(--c-sled_orange);
}

.text-kisqali-teal {
  color: var(--c-sled_blue);
}

.text-kisqali-blue {
  color: var(--c-sled_light_blue);
}

.limit-50 {
  max-width: 50%;
}

.graph-10 {
  padding-bottom: 10px;
}

.graph-r-20 {
  padding-right: 20px;
}
.cta-gap {
  padding-left: 0.8em;
}
.cta-padding {
  padding-bottom: 0.6em;
}

/* MEDIA QUERIES */
@media (max-width: 1024px) {
  #sled_container {
    font-size: 14px;
  }
}

@media (max-width: 992px) {
  #sled_container {
    font-size: 12px;
  }
}

@media (max-width: 768px) {
  #sled_container {
    font-size: 10px;
  }
}
@media (max-width: 900px) {
  .tablet-70 {
    max-width: 70%;
  }
}