/* COLORS */
:root {
  --text: #111;
  --purple: #9c85c0;
  --light-purple: #ded0f5;
  --lightest-purple: #faf6ff;
  --pink: #e56a8f;
  --light-pink: #ffb5cc;
  --bright-pink: #ff68b4;
  --orange: #ff9858;
  --light-orange: #ffc4a0;
  --blue: #6598db;

  --dark-red: #5d0202;
  --dark-blue: #0c2a60;

  --dark-grey: #444;
  --med-gray: #777;
  --light-med-gray: #bbb;
  --grey: #f2f2f2;
}

::-moz-selection {
  background: var(--text);
  color: white;
}

::selection {
  background: var(--text);
  color: white;
}

/* GENERAL */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PT Sans", sans-serif;
  font-size: calc(12px + 0.3vw);
  line-height: calc(20px + 0.5vw);
  font-weight: 300;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

b {
  font-weight: 700;
}

p {
  margin-bottom: calc(8px + 0.1vw);
  transition: 0.5s;
}

p:last-child {
  margin-bottom: 0;
}

.cursive {
  font-family: "Bad Script", cursive;
}

.smaller {
  font-size: calc(11px + 0.3vw);
}

.no-spacing {
  margin-bottom: 0;
}

.less-spacing {
  margin-bottom: calc(4px + 0.1vw);
}

.spacing-above {
  margin-top: calc(8px + 0.2vw);
}

h1,
h2,
h3,
h4,
h5 {
  font-family: "PT Sans", sans-serif;
  font-weight: 800;
  transition: 0.5s;
}

h1 {
  font-size: calc(20px + 0.5vw);
  line-height: calc(30px + 0.5vw);
}

h2 {
  line-height: calc(28px + 0.4vw);
}

a {
  color: var(--purple);
  font-weight: 400;
  transition: 0.5s;
  /* text-decoration: none; */
}

a:hover {
  opacity: 0.8;
  /* text-decoration: underline; */
}

sup {
  font-size: x-small;
}

/* text colors */
.purple {
  color: var(--purple);
}

.light-purple {
  color: var(--light-purple);
}

.blue {
  color: var(--blue);
}

.dark-red {
  color: var(--dark-red);
}

.dark-blue {
  color: var(--dark-blue);
}

.pink {
  color: var(--pink);
}

.light-pink {
  color: var(--light-pink);
}

.bright-pink {
  color: var(--bright-pink);
}

.orange {
  color: var(--orange);
}

.light-orange {
  color: var(--light-orange);
}

.gray {
  color: var(--dark-grey);
}

.gradient {
  background: linear-gradient(90deg, var(--purple), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* sections */
section,
header,
footer {
  padding: calc(16px + 1.5vw);
  height: auto;
  transition: 0.5s;
  position: relative;
}

.container {
  max-width: 1200px;
  margin: auto;
}

.divider {
  height: 1px;
  max-width: 900px;
  width: 50%;
  background: var(--grey);
  margin: auto;
}

.two-col {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(20px + 0.5vw);
}

@media (max-width: 1000px) {
  .three-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .three-col {
    grid-template-columns: 1fr;
  }
}

/* header */
header {
  position: relative;
  padding-top: calc(18px + 1.5vw);
}

#progressbar-parent {
  width: 100%;
  display: block;
  height: calc(4px + 0.3vw);
  background: linear-gradient(135deg, var(--purple), var(--orange));
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
}

#progressbar {
  position: absolute;
  right: 0;
  left: auto;
  height: 100%;
  background: var(--grey);
  width: 100%;
}

header .message {
  color: var(--dark-grey);
  font-size: calc(11px + 0.3vw);
  margin-bottom: calc(6px + 0.2vw);
}

.buttons {
  display: flex;
  gap: calc(8px + 0.2vw);
  margin-top: calc(12px + 0.3vw);
  font-size: calc(10px + 0.3vw);
}

.buttons .button {
  text-decoration: none;
  color: white;
  background: var(--text);
  padding: calc(2px + 0.1vw) calc(8px + 0.4vw);
  border-radius: calc(4px + 0.1vw);
  transition: 0.5s;
}

.buttons .button:hover {
  opacity: 0.8;
  cursor: pointer;
}

.buttons .button i {
  margin-right: calc(4px + 0.2vw);
}

.arrow-button {
  text-decoration: none;
  border-radius: 100%;
  display: flex;
  position: absolute;
  width: calc(24px + 1.5vw);
  height: calc(24px + 1.5vw);
  padding: 0;
  background: rgb(255, 255, 255, 0.8);
  color: var(--purple);
  font-size: calc(10px + 1vw);
  left: 50%;
  bottom: calc(-12px - 0.75vw);
  transform: translateX(-50%);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.arrow-button i {
  margin: auto;
}

.arrow-button:hover {
  opacity: 1;
  background: white;
  transform: translateX(-50%) scale(1.05);
}

/* video */
#video {
  background: var(--grey);
  padding-top: calc(24px + 1.5vw);
}

/* abstract */
#abstract {
  padding-bottom: 0;
}

#abstract h2 {
  text-align: center;
  font-family: "Bad Script", cursive;
}

#abstract .container {
  border: 2px solid;
  border-image: linear-gradient(135deg, var(--purple), var(--orange)) 1;
  padding: calc(16px + 0.8vw);
}

#abstract h2 {
  margin-bottom: calc(4px + 0.1vw);
}

/* pipeline */
#pipeline {
  padding-bottom: 0;
}

img.full-width {
  width: 100%;
  height: auto;
  margin-top: calc(8px + 0.3vw);
  margin-bottom: calc(8px + 0.3vw);
}

/* system */
#system {
  padding-bottom: calc(12px + 1vw);
}

#motifs {
  background: var(--grey);
  padding-top: calc(12px + 1vw);
}

.motif {
  border-radius: calc(4px + 0.1vw);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  height: max-content;
}

.motif .gif {
  width: 100%;
  height: auto;
  border-radius: calc(4px + 0.1vw) calc(4px + 0.1vw) 0 0;
}

.icon {
  width: calc(12px + 0.3vw);
  height: auto;
  margin-bottom: -1px;
}

.motif .icon {
  margin-right: calc(4px + 0.1vw);
}

.motif .exp-box {
  margin-top: calc(-8px - 0.3vw);
  background: var(--text);
  color: white;
  padding: calc(8px + 0.3vw);
  border-radius: 0 0 calc(4px + 0.1vw) calc(4px + 0.1vw);
}

.motif .exp-box p {
  font-size: calc(10px + 0.3vw);
  line-height: calc(18px + 0.3vw);
  /* font-style: italic; */
}

/* examples */
#examples {
  padding-bottom: 0;
}

#examples h2 {
  margin-bottom: calc(4px + 0.3vw);
}

.mySlides {
  display: none;
  position: relative;
}

/* Slideshow container */
.slideshow-container {
  position: relative;
  margin: auto;
  margin-top: calc(36px + 1.5vw);
}

.slideshow-container img {
  vertical-align: middle;
  width: 100%;
}

/* Next & previous buttons */
.prev,
.next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;

  width: calc(24px + 1.5vw);
  height: calc(24px + 1.5vw);
  background-color: rgb(255, 255, 255, 0.5);
  color: var(--purple);

  border-radius: 50%;
  font-size: calc(10px + 1vw);
  font-weight: normal;

  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  transition: background-color 0.3s ease, transform 0.2s ease;
  z-index: 10;
}

.prev {
  left: 0;
}

.next {
  right: 0;
}

.prev:hover,
.next:hover {
  background-color: white;
  opacity: 1;
  transform: translateY(-50%) scale(1.05);
}

/* Caption text */
.text {
  color: var(--med-gray);
  padding: 8px 12px;
  position: absolute;
  top: 0;
  transform: translateY(-100%);
  width: 100%;
  text-align: center;
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: calc(8px + 0.3vw);
  width: calc(8px + 0.3vw);
  margin: 0 2px;
  background-color: var(--light-med-gray);
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active,
.dot:hover {
  background-color: var(--purple);
}

/* Fading animation */
.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {
    opacity: 0.4;
  }
  to {
    opacity: 1;
  }
}

/* bibtex */
#bibtex {
  padding-bottom: calc(24px + 1.5vw);
}

#bibtex .buttons {
  margin-top: 0;
}

#bibtex pre {
  background: var(--grey);
  margin-top: calc(8px + 0.3vw);
  padding: calc(8px + 0.3vw);
  overflow-x: auto;
  scrollbar-width: none;
  font-size: calc(10px + 0.3vw);
  line-height: calc(20px + 0.4vw);
}

/* footer */
footer {
  background: var(--text);
  color: white;
  text-align: center;
  position: relative;
}

footer a {
  color: var(--light-purple);
}

footer img {
  width: calc(32px + 0.6vw);
  height: auto;
  display: block;
  margin: auto;
  padding-bottom: 8px;
}

footer .buttons {
  justify-content: center;
}

footer .buttons .button {
  font-family: "Bad Script", cursive;
}

footer .buttons .button:hover {
  transform: scale(1.05);
}

footer .buttons .button i {
  margin-right: 0;
  display: block;
}