:root {
  font-size: 1.25rem;
  line-height: 1.618;
}

body {
  background: #221142;
  font-size: 1rem;
  font-family: Inter,sans-serif;
  color: #d0dae8;
}

body * {
  box-sizing: border-box;
}

p {
  margin: 1em 0;
  font-size: 0.9rem;
}

b {
  color: #31fbfb;
}

.footer b {
  color: inherit;
}

h1 {
  font-size: 1.9em;
  color: #3898b8;
  color: #31fbfb;
}

h2 {
  font-size: 1.5em;
  line-height: 1.35;
  margin-top: 2em;
  margin-bottom: .6em;
  color: #fff;
}

h2 + p,
h3 + p {
  margin-top: 0.5em;
}

.container {
  padding: 0 1em;
  max-width: 50ch;
}

.header {
  position: absolute;
  right: 0;
  display: grid;
  grid-template-rows: 58px;
  justify-items: end;
  margin-right: 2em;
}

.header h1 {
  color: #221142;
  text-shadow: 0px 1px 0px #88f2e2;
  font-family: Inter,sans-serif;
  font-size: 1.35rem;
  margin: 0;
  align-self: center;
  grid-row: 1;
  grid-column: 1;
}

.signin {
  color: #fff;
  color: #221142;
  font-family: Inter,sans-serif;
  align-self: end;
  font-size: 0.65rem;
  grid-row: 1;
  grid-column: 1;
  margin-right: 1px;
}

.signin:hover {
  color: #ace100;
}

.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.p-before-code {
  /* margin-bottom: 0; */
}

h2 {
  font-family: Inter,sans-serif;
}

h2 + p {
  /* margin-top: 0; */
}

.strike {
  color: rgba(82, 218, 255, 0.4);
  text-decoration: line-through;
}

.illustration {
  min-height: 500px;
  grid-column: 1 / -1;
}

.grid-is-hard-pic {
  background: url(/https/gridcritters.com/img/grid-is-hard.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top right;
  z-index: -1;
}

.master-it-pic {
  background: url(/https/gridcritters.com/img/master-it.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top left;
  z-index: -1;
}

.grid-game-pic {
  background: url(/https/gridcritters.com/img/grid-game.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center right;
  z-index: -1;
}

.section {
  grid-column-start: 1;
  grid-column-end: 3;
}

.grid-is-hard-pic {
  grid-row: 1;
}

.grid-is-hard {
  grid-row: 2;
}

h2.first {
  margin-top: 0.3em;
}

.master-it-pic {
  grid-row: 3;
}

.master-it {
  grid-row: 4;
}

.grid-game-pic {
  grid-row: 5;
}

.grid-game {
  grid-row: 6;
}

h2:first-of-type {
  /* margin-top: 0; */
}

.outline-intro {
  margin-top: 2rem;
  padding: 0 1em;
  display: grid;
  max-width: 50ch;
  margin: 2rem auto;
}

.chapters {
  display: grid;
  grid-row-gap: 2em;
  justify-items: center;
  margin-top: 2em;
  margin-bottom: 2em;
}

.chapter {
  width: calc(100% - 30px);
  position: relative;
  display: grid;
  grid-template-rows: auto auto auto;
  overflow: hidden;
  /* flat border just for small screens */
  border-top: 2px solid;
}

.chapter svg {
  transform-origin: bottom center;
  transform: scaleY(1.1);
}

.chapter h3 {
  /* make it not stretch to full width, for SVG calcs */
  display: inline-block;
  justify-self: start;
  font-family: Inter,sans-serif;
  font-size: 1em;
  margin: 1em;
}

h3.right {
  justify-self: end;
}

.chapter video {
  max-width: calc(100% - 5px);
  justify-self: center;
}

ul {
  font-size: 0.9rem;
  list-style: none;
  padding: 0.5em 1em 2em 2em;
  margin: 0 0 0.6em;
}

li {
  position: relative;
  margin: 0.6em 0;
}

li::before {
  content: "•";
  line-height: 0;
  font-size: 30px;
  display: inline-block;
  position: absolute;
  top: 0.38em;
  bottom: 0;
  left: -0.8em;
}

.none {
  padding-left: 0;
  padding-bottom: 1em;
}

.none li::before {
  visibility: hidden;
}

/* colors */
.purple h3,
.purple li::before,
.purple code {
  color: #ae87ff !important;
}
.purple video,
.purple.chapter {
  border-color: #ae87ff;
}

.blue h3,
.blue li::before,
.blue code {
  color: #218cbd !important;
}
.blue video,
.blue.chapter {
  border-color: #218cbd;
}

.lime h3,
.lime li::before,
.lime code {
  color: #ace000 !important;
}
.lime video,
.lime.chapter {
  border-color: #ace000;
}

.red h3,
.red li::before,
.red code {
  color: #a50035 !important;
}
.red video,
.red.chapter {
  border-color: #a50035;
}

.teal h3,
.teal li::before,
.teal code {
  color: #136b79 !important;
}
.teal video,
.teal.chapter {
  border-color: #136b79;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(auto, 48ch));
  grid-gap: 5em;
  justify-content: center;
  margin: 3em 0;
  margin-bottom: 1em;
  padding: 2em 0;
}

.testimonial {
  position: relative;
}

.testimonial::before {
  content: "“";
  color: hsl(261, 59%, 30%);
  position: absolute;
  font-size: 4rem;
  top: -20px;
  left: -25px;
}

.testimonial::after {
  content: "”";
  color: hsl(261, 59%, 30%);
  position: absolute;
  font-size: 4rem;
  top: -20px;
  right: -25px;
}

.testimonial .by {
  align-self: end;
  font-weight: bold;
}

.testimonial .cred {
  align-self: start;
  font-size: .70rem;
}

.testimonial img {
  width: 85px;
  border: 5px solid hsl(261, 59%, 30%);
  border-radius: 50px;
  grid-row: 1 / 3;
}

.social {
  display: grid;
  grid-template-columns: 85px 1fr;
  grid-template-rows: 1fr 1fr;
  grid-column-gap: 1.2rem;
  justify-content: center;
}

@keyframes pulse {
  0% {
    filter: drop-shadow(0px 0px 0px rgba(116, 191, 255, 0.5));
  }
  8% {
    filter: drop-shadow(15px 15px 0px rgba(116, 191, 255, 0.05));
  }
  16% {
    filter: drop-shadow(0px 0px 0px rgba(116, 191, 255, 0.5));
  }
}

@keyframes pulse2 {
  0% {
    filter: drop-shadow(0px 0px 0px rgba(116, 191, 255, 0.5));
  }
  8% {
    filter: drop-shadow(-15px -15px 0px rgba(116, 191, 255, 0.05));
  }
  16% {
    filter: drop-shadow(0px 0px 0px rgba(116, 191, 255, 0.5));
  }
}

@keyframes pulse3 {
  0% {
    filter: drop-shadow(0px 0px 0px rgba(116, 191, 255, 0.5));
  }
  8% {
    filter: drop-shadow(-15px 15px 0px rgba(116, 191, 255, 0.05));
  }
  16% {
    filter: drop-shadow(0px 0px 0px rgba(116, 191, 255, 0.5));
  }
}

.callout {
  margin-top: 2em;
  color: #31fbfb;
  font-style: italic;
}

/* prism overrides */
.token.selector {
  color: #ae87ff;
}


.action {
  display: grid;
  justify-items: center;
  background-color: hsl(261, 59%, 16%);
}

.action svg {
  animation: pulse 4s 0s cubic-bezier(0.64, 0.57, 0.67, 1.53) infinite;
  filter: drop-shadow(0px 0px 0px rgba(172, 225, 0, 0.7));
}

.action svg:nth-of-type(2) {
  animation: pulse2 4s 0s cubic-bezier(0.64, 0.57, 0.67, 1.53) infinite;
  filter: drop-shadow(0px 0px 0px rgba(172, 225, 0, 0.7));
}

.action svg:nth-of-type(3) {
  animation: pulse3 4s 0s cubic-bezier(0.64, 0.57, 0.67, 1.53) infinite;
  filter: drop-shadow(0px 0px 0px rgba(172, 225, 0, 0.7));
}

.action-button {
  position: relative;
  margin: 2em;
  margin-bottom: 4em;
  display: grid;
  border: 3px solid #3275a4;
  border-radius: 100px;
  background-color: #52daff;
  transition-property: border-color, background-color;
  transition-duration: 0.15s;
  font-weight: bold;
}

.action-button:hover {
  animation: none;
  border-color: rgba(82, 218, 255, 0.4);
  background-color: rgba(50, 117, 164, 0.4);
}

.action-button:hover a {
  color: #52daff;
}

.action-button:hover .strike {
  color: #5d468e;
}

.action-button:hover .price {
  color: #ae87ff;
}

.action-button:hover path {
  stroke: #ae87ff;
}

.action-button:active a {
  color: #6a22ff;
}

.action-button:active {
  border-color: #6a22ff;
  transition-duration: 0s;
  background-color: rgba(106, 34, 255, 0.4);
}

.action-button:active .strike {
  color: #3f109e;
}

.action-button:active .price {
  color: #6a22ff;
}

.action-button:active path {
  stroke: #6a22ff;
}

.action a {
  font-family: Inter,sans-serif;
  color: #170e4f;
  z-index: 1;
  padding: 1em;
  padding-right: 1em;
  text-decoration: none;
  transition-property: color;
  transition-duration: 0.2s;
}

.price {
  font-family: Inter,sans-serif;
  /* color: #ace100; */
  color: #52daff;
  font-size: 1.25rem;
}

.footer {
  display: grid;
  justify-items: center;
  width: 100%;
  color: rgba(255, 255, 255, 0.4);
  background-color: hsl(261, 59%, 13%);
}

.footer h2 {
  color: rgba(255, 255, 255, 0.4);
}

/* code highlighter */
pre,
code {
  background: none !important;
  color: #3ef8fd !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
}

pre code {
  font-size: 0.627rem;
  /* font-size: 9px !important; */
}

.token.property {
  color: #fff;
}

.token.punctuation {
  opacity: 0.5;
}

.token.function {
  color: #8ffb69;
}

@media (min-width: 450px) {
  pre code {
    font-size: 0.81rem !important;
  }
}

@media (min-width: 600px) {
  .chapter {
    width: calc(100% - 2em);
    border: none;
  }

  .chapter svg {
    transform: none;
  }

  .action a {
    font-size: 1.5em;
  }
}

/* 
intro becomes split layout, 
chapters becomes 2-column
*/
@media (min-width: 1220px) {
  :root {
    font-size: 1.25rem;
  }

  .header {
    height: 122px;
    grid-template-rows: repeat(3, 33.33%);
    margin-right: 8em;
  }

  .header h1 {
    grid-row: 2;
    font-size: 1.8rem;
  }

  h2.first {
    margin-top: 1.6em;
  }

  .signin {
    grid-row: 3;
    align-self: start;
    font-size: 0.75em;
  }

  .section {
    justify-self: unset;
  }

  .intro {
    grid-row-gap: 3.2em;
  }

  .grid-is-hard {
    grid-column: 1 / 2;
    grid-row: 1;
    justify-self: center;
    padding-right: 0;
  }

  .grid-is-hard-pic {
    grid-area: 1 / 1 / 2 / 3;
  }

  .master-it {
    grid-area: 2 / 2 / 3 / 3;
    padding-left: 0;
    justify-self: center;
  }

  .master-it-pic {
    grid-area: 2 / 1 / 3 / 3;
    width: 85%;
    background-position: top center;
  }

  .grid-game {
    grid-area: 3 / 1 / 4 / 2;
    justify-self: center;
    padding-right: 0;
  }

  .grid-game-pic {
    grid-area: 3 / 1 / 4 / 3;
  }

  .chapter {
    width: 880px;
    max-width: 880px;
    grid-template-rows: 70px 478px auto;
  }

  .action-button {
    margin-top: 3em;
    margin-bottom: 5em;
  }
}

@media (min-width: 1500px) {
  :root {
    font-size: 1.35rem;
  }

  .chapters {
    grid-template-columns: auto auto;
    grid-column-gap: 2em;
    justify-content: center;
  }

  .chapter {
    max-width: 715px;
    grid-template-rows: 70px auto auto;
  }
}

@media (min-width: 1820px) {
  :root {
  }
}