/* Intro */
.header-background {
  animation-name: colourChange;
  animation-duration: 30s;
  animation-iteration-count: infinite;
}

@keyframes colourChange {
  0% {
    background-color: rgb(140,235,200);
  }

  20% {
    background-color: rgb(135,215,235);
  }

  40% {
    background-color: rgb(186,222,125);
  }

  60% {
    background-color: rgb(255,215,95);
  }

  80% {
    background-color: rgb(255,145,105);
  }

  100% {
    background-color: rgb(140,235,200);
  }
}

header.page {
  background-color: #F7F7F7;
}

.homepage-intro {
  text-align: center;
  min-height: 25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.homepage-intro div {
  width: 100%;
}

.homepage-intro h1 {
  font-weight: 700;
  letter-spacing: -0.062rem;
  margin: 3rem auto 1em auto;
  width: 90%;
}

.homepage-intro p {
  font-family: 'acumin-pro', sans-serif;
  font-weight: 500;
  margin: 0 auto 3em auto;
  font-size: 1.1em;
  letter-spacing: -0.2px;
  line-height: 1.3;
  width: 90%;
}

/* Category Nav */

.grid-container.nav {
  overflow-x: scroll;
  overflow-y: hidden;
  scrollbar-width: none;
  display: none;
}

.grid-container.nav::-webkit-scrollbar {
  display: none;
}

.category-nav {
  display: flex;
  position: relative;
  justify-content: center;
}

.category-nav li a {
  border-top: 1px solid white;
  border-left: 1px solid white;
  border-right: 1px solid white;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  color: #898993;
  display: inline-block;
  font-family: 'acumin-pro', sans-serif;
  font-size: 1em;
  font-weight: 600;
  margin: 0 0.25em;
  padding: 1em 0.5em;
  text-align: center;
  width: 140px;
}

.category-nav .view-by-category.active,
.category-nav .view-most-recent.active,
.category-nav .view-alphabetically.active {
  background-color: white;
  border-top: 1px solid white;
  border-right: 1px solid white;
  border-left: 1px solid white;
  color: #242249;
}

.category-nav .view-by-category:hover,
.category-nav .view-most-recent:hover,
.category-nav .view-alphabetically:hover {
  background-color: rgba(255, 255, 255, 0.8);
  border-top: 1px solid white;
  border-right: 1px solid white;
  border-left: 1px solid white;
  color: #242249;
}

.category-nav .view-by-category.active:hover,
.category-nav .view-most-recent.active:hover,
.category-nav .view-alphabetically.active:hover {
  background-color: white;
}

.category-nav .view-by-category,
.category-nav .view-most-recent,
.category-nav .view-alphabetically {
  text-transform: uppercase;
  color: white;
}

.expand-all-container {
  width: 100%;
  display: flex;
  justify-content: flex-end;
}

.expand-all {
  border-bottom-left-radius: 3px;
  border-bottom-right-radius: 3px;
  border: 1px solid #DDDDE3;
  border-top: 0;
  color: #898993;
  padding: 0.5em;
  font-family: 'acumin-pro', sans-serif;
  font-weight: 600;
}

.expand-all:visited {
  color: #898993;
}

.expand-all::before {
  content: "+ "
}

.expand-all.add-arrow::before {
  content: " "
}

.expand-all.add-arrow::after {
  content: " ▲"
}

.expand-all:hover {
  border-bottom: 1px solid #F6776C;
  border-right: 1px solid #F6776C;
  border-left: 1px solid #F6776C;
  color: #F6776C;
}

/* Homepage sections */

.category-view,
.most-recent-view,
.alphabetical-view {
  background-color: white;
}

.most-recent-view,
.alphabetical-view {
  padding-bottom: 2.5rem;
}

.most-recent-view,
.alphabetical-view {
  display: none;
}

/* View by category */
.pattern-card-full-list {
  display: flex;
}

.category-section.preview .pattern-card-container {
  display: none;
  transition: opacity 0.5s linear;
}

.category-section.preview .pattern-card {
  margin-bottom: 0;
}

.category-section .pattern-card-container:first-child {
  display: inline-block;
  opacity: 1;
}

.category-section .pattern-card-container {
  transition: opacity 0.5s linear;
}

/* Category heading */

.category-heading {
  align-items: center;
  cursor: pointer;
}

.category-heading h2 {
  font-size: 2.2em;
  font-weight: 700;
  letter-spacing: -0.062rem;
  margin-top: 2rem;
  margin-bottom: 1em;
  line-height: 1.2;
}

.category-heading h2 span {
  font-size: 1rem;
  vertical-align: super;
}

/* See more button */

.see-more-button-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 1.9em 0 0 0;
}

.see-more-button {
  background-color: white;
  border: 1px solid #DDDDE3;
  border-bottom: 0;
  border-radius: 5px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
  color: #898993;
  font-family: 'acumin-pro', sans-serif;
  font-weight: 600;
  padding: 0.3em 0.9em 0.5em 0.81em;
}

.see-more-button::before{
  content: "+ ";
  font-size: 1.2em;
  margin-right: 2px;
}

.see-more-button.view-arrow::after {
  content: "↑ ";
  font-size: 0.97em;
  margin-left: 5px;
}
.see-more-button.view-arrow::before {
  content: "";
}

.see-more-button:hover {
  border-top: 1px solid #F6776C;
  border-right: 1px solid #F6776C;
  border-left: 1px solid #F6776C;
  color: #F6776C !important;
}

.category-section .see-more-button:hover ~ hr {
  /* border-bottom: 1px solid #F6776C; */
}

.see-more-button:visited {
  color: #898993;
}

/* Patterns list and cards */

.pattern-card {
  cursor: pointer;
  border-radius: 4px;
  margin-bottom: 30px;
}

.pattern-card-image {
  border-bottom: 0;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
  height: 340px;
  padding: 0.5em;
  position: relative;
}

.pattern-card-image .tags {
  position: absolute;
  bottom: 0;
  display: flex;
  padding-left: 0.2em;
}

.pattern-card-image .archived,
.pattern-card-image .future-pattern,
.pattern-card-image .new-pattern {
  background-color: rgba(255, 255, 255, 0.92);
  border-radius: 2px;
  box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.3);
  color: #686778;
  font-size: 0.9em;
  font-weight: 600;
  letter-spacing: -0.1px;
  margin: 0 0.5em 0.5em 0;
  padding: 0.1em 0.21em 0.1em 0.5em;
  text-align: center;
  text-transform: uppercase;
}

.pattern-card-image .archived {
  padding-right: 0.5rem;
}

.pattern-card-title {
  background-color: white;
  border-bottom: 1px solid #DDDDE3;
  border-left: 1px solid #DDDDE3;
  border-right: 1px solid #DDDDE3;
  box-sizing: border-box;
  height: 80px;
  padding: 0.7em 1em;
  border-bottom-right-radius: 4px;
  border-bottom-left-radius: 4px;
}

.pattern-card-image img {
  height: 100%;
  width: 100%;
}

.pattern-card-title a {
  color: #242249;
  display: inline-block;
  font-family: 'acumin-pro', sans-serif;
  font-size: 1.5em;
  font-weight: 600;
  line-height: 27px;
  letter-spacing: -0.0225em;
  width: 90%;
}

/* Category List Colours */
.pattern-card:hover {
  border: 0;
}

.pattern-card:hover .pattern-card-title {
  border-right: 1px solid transparent;
  border-left: 1px solid transparent;
  border-bottom: 1px solid transparent;

}

.pattern-card.giving-and-removing-consent:hover {
  box-shadow: 0px 0px 30px 12px rgba(150,225,170, 0.25);
}

.pattern-card.signing-in-to-a-service:hover {
  box-shadow: 0px 0px 30px 12px rgba(135,215,235, 0.25)
}

.pattern-card.giving-access-to-data:hover {
  box-shadow: 0px 0px 30px 12px rgba(186,222,125, 0.25);
}

.pattern-card.getting-access-to-data:hover {
  box-shadow: 0px 0px 30px 12px rgba(255,215,95, 0.25);
}

.pattern-card.understanding-decisions:hover {
  box-shadow: 0px 0px 30px 12px rgba(255,145,105, 0.25);
}

.pattern-card.doing-security-checks:hover {
  box-shadow: 0px 0px 10px 10px rgba(250,160,170, 0.2);
}

.pattern-card.giving-and-removing-consent .pattern-card-image{
  background-color: rgb(140,235,200);
}

.pattern-card.signing-in-to-a-service .pattern-card-image {
  background-color: rgb(135,215,235);
}

.pattern-card.giving-access-to-data .pattern-card-image {
  background-color: rgb(186,222,125);
}

.pattern-card.getting-access-to-data .pattern-card-image {
  background-color: rgb(255,215,95);
}

.pattern-card.understanding-and-influencing-decisions .pattern-card-image {
  background-color: rgb(255,145,105);
}

.pattern-card.doing-security-checks .pattern-card-image {
  background-color: rgb(250,160,170);
}

/* Media queries */

@media (min-width: 40em) {
  .homepage-intro {
    min-height: 50vh;
  }
  .homepage-intro div {
    width: 600px;
  }

  .homepage-intro h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
  }

  .homepage-intro p {
    margin: 0 0 5rem 0;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    font-size: 21.25px;
    line-height: 1.3;
  }
  /* Category List */
  .category-section .pattern-card-container:nth-child(1),
  .category-section .pattern-card-container:nth-child(2) {
    display: inline-block;
    opacity: 1;
  }

}

@media (min-width: 64em) {
  /* Header */
  .homepage-intro h1 {
    font-weight: 700;
    letter-spacing: -0.1rem;
    margin: 7rem auto 1.6rem auto;
    width: 100%;
  }

  /* Nav */
  .grid-container.nav {
    overflow-x: hidden;
    display: block;
  }

  .category-nav li a {
    margin: 0 0.5em;
    padding: 1em 1em;
    width: 160px;
  }

  .category-nav li:first-of-type a {
    margin-left: 0;
  }

  .category-nav li:last-of-type a {
    margin-right: 0;
  }

  .expand-all {
    display: inline-block;
    background-color: white;
    padding: 0.4em 1em 0.5em 1em;
  }

  .category-nav .push {
    margin-left: auto;
  }

  /* Heading */

  .category-heading h2 {
    font-size: 2.5em;
    margin: 3.5rem 0 1.2rem 0;
  }

  .category-heading h2 span {
    font-size: 1.2rem;
  }

  /* Category List */
  /* TODO - use first of type on this instead of hardcoding */
  .category-view .category-section.signing-in-to-a-service h2 {
    margin-top: calc(3.5rem - 42px);
  }

  .category-section .pattern-card-container:nth-child(1),
  .category-section .pattern-card-container:nth-child(2),
  .category-section .pattern-card-container:nth-child(3) {
    display: inline-block;
    opacity: 1;
    margin-bottom: 0;
  }

  /* Pattern card */
  .pattern-card-title {
    padding: 0.9em 1em 0.75em 1em;
    height: 90px;
  }

  .pattern-card-title a {
    font-size: 1.4em;
  }
}

@media (min-width: 2000px) {
  .homepage-intro {
    height: 40vh;
  }
}