* {
  scroll-behavior: smooth;
}

h1 {
  text-align: center;
  color: var(--ac-art-color);
  letter-spacing: -0.151rem;
  font-size: 6rem;
  margin-top: 0.2em;
  white-space: nowrap;
}

section {
  width: 90%;
}

#f1:hover {
  #heading-barvy {
    color: #ebd057;
  }
}

#f2:hover {
  #heading-moda {
    color: #d02f46;
  }
}

#f3:hover {
  #heading-byt {
    color: #4d8fc0;
  }
}

@keyframes letter-spacing {
  0% {
    letter-spacing: 0.5rem;
    color: rgb(160, 0, 253);
  }
  100% {
    letter-spacing: -0.151rem;
    color: var(--ac-art-color);
  }
}

@keyframes letter-spacing730 {
  0% {
    letter-spacing: 0.1em;
    color: rgb(160, 0, 253);
  }
  100% {
    letter-spacing: -0.01em;
    color: var(--ac-art-color);
  }
}
/*Scroll and Opacity Animations*/
@media (prefers-reduced-motion: no-preference) {
  h1 {
    animation: letter-spacing 1s var(--smooth-out-bezier);
  }
  @media (max-width: 550px) {
    h1 {
      animation: letter-spacing550 1s var(--smooth-out-bezier) forwards;
    }
  }
  .img-container {
    opacity: 0;
    animation: opacity 1s var(--smooth-out-bezier) forwards;
    animation-delay: 0.2s;
  }
  .grid-paragraphs p:first-of-type {
    opacity: 0;
    animation: opacity 1s var(--smooth-out-bezier) forwards;
    animation-delay: 0.2s;
  }
  .grid-paragraphs p:last-of-type {
    opacity: 0;
    animation: opacity 1s var(--smooth-out-bezier) forwards;
    animation-delay: 0.3s;
  }
  .smaller-screen-grid-parag {
    opacity: 0;
    animation: opacity 1s var(--smooth-out-bezier) forwards;
    animation-delay: 0.3s;
  }
  #galerie-section > h2 {
    opacity: 0;
    animation: opacity 1s var(--smooth-out-bezier) forwards;
    animation-delay: 0.6s;
  }
  .divider {
    opacity: 0;
    animation: opacity 1s var(--smooth-out-bezier) forwards;
    animation-delay: 0.7s;
  }
  .folder {
    opacity: 0;
    animation: opacity 1s var(--smooth-out-bezier) forwards;
    animation-delay: 0.8s;
  }
  .kabelka-div:hover {
    transform: scale(1.05);
  }
  .button-container input:hover {
    font-weight: bold;
    transform: scale(1.1);
  }
  .pdf-div:hover {
    transform: scale(1.05);
  }
}

.div-caption {
  font-size: 1.2rem;
}

.grid-paragraphs > p {
  margin: 0;
  padding: 0;
}

.ac-art-color {
  color: var(--ac-art-color);
}

p {
  line-height: 1.3em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2em;
}

.section-heading {
  font-size: 3rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  text-align: center;
}

.folder h3 {
  font-size: 1.5rem;
}

.folder img {
  width: 100%;
  position: absolute;
  top: 0;
  border-radius: inherit;
  transition: opacity 800ms;
}

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

section {
  margin-top: 80px;
}

.main-description {
  display: grid;
  grid-template-columns: 30% 70%;
  max-width: 1300px;
  margin-top: 0;
}

.img-container {
  display: flex;
  justify-items: center;
  align-items: center;
}

.img-container img {
  width: 90%;
  border-radius: 15px;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.grid-paragraphs {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: 20%;
  padding: 20px;
}

.main-description p {
  font-size: 1.1rem;
  line-height: 1.5rem;
  color: var(--dark-white);
}

.main-description p:last-of-type {
  padding-bottom: 30px;
}

.main-description .first-letter {
  font-size: 5rem;
  float: left;
  padding: 10px;
  margin-top: 10px;
  color: var(--ac-art-color);
}

#marcela-caption {
  margin: 1vh 0;
  color: var(--ac-art-color);
  font-size: 1.2rem;
}

#marcela-fig {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.folder-container {
  display: flex;
  flex-direction: row;
  justify-content: space-evenly;
  align-items: center;
  flex-wrap: wrap;
  column-gap: 2vw;
  row-gap: 50px;
  border-radius: 10px;
}

.fade-content {
  border-radius: inherit;
  position: absolute;
  height: inherit;
  min-width: 350px;
  min-height: 455px;
  min-width: inherit;
  background-image: linear-gradient(
    to bottom,
    var(--background-color) -40%,
    transparent 90%
  );
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  color: var(--dark-white);
  border: 2px solid rgba(255, 255, 255, 0.2);
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.6);
  z-index: 999;
}

.folder:hover .fade-content {
  border: 3px solid rgba(255, 255, 255, 0.5);
}

.fade-content * {
  margin: 15px 0;
}
@media (prefers-reduced-motion: no-preference) {
  .folder:hover {
    transform: scale(1.03);
  }
  .modely-container:hover {
    transform: scale(1.05);
  }
}

.folder:hover::before {
  opacity: 1;
  transition: opacity 250ms ease;
}

@media (max-width: 1200px) {
  .fade-content h2 {
    font-size: 2rem;
  }
}

.folder::before {
  background: radial-gradient(
    800px circle at var(--mouse-x) var(--mouse-y),
    rgba(255, 255, 255, 0.2),
    transparent 40%
  );
  content: "";
  position: absolute;
  height: 100%;
  left: 0;
  top: 0;
  opacity: 0;
  width: 100%;
  z-index: 2;
  border-radius: inherit;
  --webkit-tap-highlight-color: transparent;
}

.middle-text {
  width: 60%;
  max-width: 1000px;
  margin: 0 auto;
  margin-bottom: 20px;
  text-align: center;
  font-size: 1.2rem;
}

.scroller {
  max-width: 85vw;
  margin: 0 auto;
}

.scroller[data-animated="true"] {
  overflow: hidden;
  -webkit-mask: linear-gradient(
    to right,
    transparent,
    white 20%,
    white 80%,
    transparent
  );
  mask: linear-gradient(
    to right,
    transparent,
    white 20%,
    white 80%,
    transparent
  );
}

.scroller-inner {
  flex-wrap: wrap;
  width: 85vw;
}

.scroller[data-animated="true"] .scroller-inner {
  flex-wrap: nowrap;
  animation: horizontal-scroll 40s infinite linear;
  width: max-content;
}

.show-more {
  text-align: center;
  &:hover {
    cursor: pointer;
  }
}

.show-more i {
  width: 100px;
  position: relative;
  top: -30px;
}

@media (max-width: 500px) {
  #prehlidka .section-heading {
    font-size: 10vw;
  }
}

.publikace-text {
  width: 90%;
  text-align: justify;
  margin: 0 auto;
  margin-bottom: 1rem;
}

.button-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.button-container input {
  width: 190px;
  height: 45px;
  margin: 20px;
  color: white;
  font-family: Rubik;
  font-size: 1.1rem;
  background-color: var(--background-color-lighter);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  cursor: pointer;
  transition: all 300ms;
  &:hover {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--publikace-color);
  }
}

.pdf-div:hover h4 {
  color: var(--publikace-color);
  font-weight: bold;
}

.button-container p {
  font-size: 1.3rem;
  text-align: center;
}

#pdf-container {
  padding: 0;
  margin: 0;
  margin-top: 40px;
  border-radius: 15px;
  display: flex;
  flex-direction: row;
  justify-content: space-evenly;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2vw;
  row-gap: 5vh;
}

.pdf-div {
  width: 30vw;
  min-width: 400px;
  border-radius: 15px;
  position: relative;
  transition: transform 300ms ease-in-out, border 300ms ease-in-out;
}

.pdf-div::before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  border-radius: inherit;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(
    var(--background-color) -60%,
    transparent 150%
  );
  pointer-events: none;
}

.pdf-div:hover {
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.pdf-div a {
  color: white;
  text-decoration: none;
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.pdf-div h4,
.pdf-div figcaption {
  position: relative;
  margin: 10px;
  z-index: 1;
  text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.5);
  text-align: center;
  margin-bottom: 20px;
}

.pdf-div h4 {
  font-size: 1.5rem;
}

.pdf-div img {
  width: 100%;
  border-radius: 15px;
  position: absolute !important;
  top: 0;
  left: 0;
  z-index: -1 !important;
}

.grid-paragraph:last-of-type {
  grid-column-start: 2;
  grid-column-end: 3;
}

.smaller-screen-grid-parag {
  display: none;
  width: 90vw;
}

@media (max-width: 800px) {
  .smaller-screen-grid-parag {
    display: block;
    grid-column-start: 1;
    grid-column-end: 3;
    margin: 0 auto;
    margin-top: 50px;
  }

  .grid-paragraphs p:last-of-type {
    display: none;
  }
}

@media (max-width: 800px) {
  .kabelka-div {
    min-width: 300px;
  }
}

@media (max-width: 730px) {
  h1 {
    font-size: 4rem;
    animation: letter-spacing730 1s var(--smooth-out-bezier) forwards;
  }

  .img-container {
    grid-column: 1/3;
    width: 300px;
    margin: 0 auto;
  }
  .grid-paragraphs {
    grid-column: 1/3;
  }

  .kabelka-div {
    min-width: 250px;
  }

  .middle-text {
    width: 95%;
  }
}

@media (max-width: 680px) {
  #wallets .section-heading,
  #publikace .section-heading {
    font-size: 2rem;
  }
  section {
    margin-top: 40px;
  }
}

@media (max-width: 520px) {
  .button-container {
    margin-top: 5vh;
    flex-direction: column;
  }
  .button-container p {
    margin: 0;
  }
  .button-container input {
    transform: scale(1.1);
  }
  #wallets-img-container.scroller-inner {
    gap: 4vw;
  }
}

@media (max-width: 450px) {
  h1 {
    font-size: 3rem;
  }

  .scroller[data-animated="true"] {
    overflow: auto;
    -webkit-mask: none;
    mask: none;
  }

  .scroller[data-animated="true"] .scroller-inner {
    flex-wrap: wrap;
    animation: none;
  }
  #wallets-img-container {
    gap: 4vw;
    flex-direction: column;
  }

  .kabelka-div {
    width: 80vw;
    min-width: 1px;
  }
  .scroller *[aria-hidden="true"] {
    display: none;
  }

  .modely-parent-container {
    gap: 5vw;
  }

  .modely-container {
    width: 90vw;
    min-width: 1px;
  }

  .pdf-div {
    width: 90vw;
    min-width: 1px;
  }
}

@media (max-width: 400px) {
  .folder {
    width: 90vw !important;
    min-width: 1px;
  }
  .fade-content {
    width: 90vw !important;
    min-width: 1px;
  }
}

@media (max-width: 300px) {
  .img-container {
    width: 98vw;
  }
}

@media (max-width: 350px) {
  h1 {
    font-size: 13vw;
  }
}

.painting-div-container {
  transition: filter 300ms var(--smooth-out-bezier);
}

.popup-bck {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  visibility: hidden;
  opacity: 0;
  z-index: 998;
  transition: opacity 1s var(--smooth-out-bezier),
    visibility 1s var(--smooth-out-bezier);
  &:hover {
    cursor: pointer;
  }
}

.painting-popup {
  position: fixed;
  height: 95vh;
  top: 50%;
  left: 50%;
  background-color: var(--background-color-lighter);
  border-radius: 15px;
  border: 2px solid var(--dark-text);
  visibility: hidden;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 1s, visibility 1s;
  transition-delay: 0.1s;
  z-index: 999;
  transition: all 500ms var(--smooth-out-bezier);
}

.painting-popup img {
  height: 100%;
  border-radius: inherit;
  transition: all 500ms var(--smooth-out-bezier);
}

.painting-popup .arrow-left,
.painting-popup .arrow-right {
  width: 5vw;
  max-width: 30px;
  position: absolute;
  top: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.painting-popup .arrow-right {
  right: 0;
  margin-right: 0.7vw;
}

.painting-popup .arrow-left {
  left: 0;
  margin-left: 0.7vw;
}

.arrow-left svg,
.arrow-right svg {
  width: 100%;
  &:hover {
    cursor: pointer;
  }
}

.close-popup {
  width: 25px;
  position: absolute;
  top: 5px;
  right: 10px;
  cursor: pointer;
}

.show {
  visibility: visible;
  opacity: 1;
}

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

/*POPUP CSS FOR AC-ART*/
.painting-div-container {
  transition: filter 300ms var(--smooth-out-bezier);
}

.popup-bck {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  visibility: hidden;
  opacity: 0;
  z-index: 998;
  transition: opacity 1s var(--smooth-out-bezier),
    visibility 1s var(--smooth-out-bezier);
  &:hover {
    cursor: pointer;
  }
}

.painting-popup {
  position: fixed;
  height: 95vh;
  top: 50%;
  left: 50%;
  background-color: var(--background-color-lighter);
  border-radius: 15px;
  border: 2px solid var(--dark-text);
  visibility: hidden;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: opacity 1s, visibility 1s;
  transition-delay: 0.1s;
  z-index: 999;
  transition: all 500ms var(--smooth-out-bezier);
}

.painting-popup img {
  height: 100%;
  border-radius: inherit;
  transition: all 500ms var(--smooth-out-bezier);
}

.painting-popup .arrow-left,
.painting-popup .arrow-right {
  width: 5vw;
  max-width: 30px;
  position: absolute;
  top: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.painting-popup .arrow-right {
  right: 0;
  margin-right: 0.7vw;
}

.painting-popup .arrow-left {
  left: 0;
  margin-left: 0.7vw;
}

.arrow-left svg,
.arrow-right svg {
  width: 100%;
  &:hover {
    cursor: pointer;
  }
}

.close-popup {
  width: 25px;
  position: absolute;
  top: 5px;
  right: 10px;
  cursor: pointer;
}

.show {
  visibility: visible;
  opacity: 1;
}

.clickable-row {
  cursor: pointer;
  display: flex;
  width: 70vw;
  justify-content: space-evenly;
  background-color: rgba(0, 0, 0, 0.3);
  margin: 10px 0;
  border-radius: 1rem;
  border: 1px solid rgba(0, 0, 0, 0.3);
  transition: all 300ms var(--smooth-out-bezier);
  td,
  th {
    padding: 20px 0;
  }
  &:hover {
    border: 1px solid rgba(255, 255, 255, 0.4);
  }
}

.prehlidky-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 2%;
}

.prehlidka {
  width: 20%;
  color: white;
  aspect-ratio: 10/16;
  overflow: hidden;
  background-color: rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
  transition: all 200ms;
  position: relative;
  &:hover {
    /* scale: 1.02; */
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.8);
    img {
      scale: 1.05;
    }
  }
}
.prehlidka-thm {
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  transition: scale 200ms var(--smooth-out-bezier);
}

.prehlidka-heading,
.prehlidka-year {
  text-align: center;
}
.prehlidka-heading {
  font-size: 1.5rem;
  margin-bottom: 0;
}

.prehlidka-year {
  margin-top: 10px;
  font-size: 1.2rem;
}