@import url('https://fonts.googleapis.com/css2?family=Roboto&family=Roboto+Condensed:wght@400&display=swap');

:root {
  --max-width: 1400px;
  --primary: #3c8558;
  --primary-light: #398b4b;
  --primary-dark: #2f553e;
  --background-col: #202b24;
  --text-col: #e5fae8;
  --text-col-hover: #abf88c;
  --code-col: #ffffff40;
  --header-font: 'Roboto Condensed', Helvetica, Verdana, sans-serif;
}

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

body {
  background: var(--background-col);
  font-family: 'Roboto', Helvetica, Verdana, sans-serif;
}

a {
  color: var(--text-col);
  transition: color 0.1s ease-in-out;
}

a:hover {
  cursor: pointer;
  color: var(--text-col-hover);
}

header {
  margin-top: 32px;
}

header h1 {
  font-size: 40px;
  font-family: var(--header-font);
  font-weight: 400;
  color: var(--text-col);
  text-align: center;
}

.container {
  max-width: var(--max-width);
  margin: auto;
}

.code-text {
  font-family: 'Courier New', Courier, monospace;
  background: var(--code-col);
  border-radius: 4px;
  padding: 1px 2px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin: 32px auto 64px;
  padding: 0 32px;
}

.card,
.credits {
  height: 400px;
  border-radius: 4px;
  position: relative;
  opacity: 1;
  transition: background 0.15s ease-in-out;
  transition: height 0.3s ease-in-out;
  color: var(--text-col);
}

/* Prevent text selection */
.card {
  cursor: pointer;
  background: var(--primary);

  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none; /* Safari */
   -khtml-user-select: none; /* Konqueror HTML */
     -moz-user-select: none; /* Old versions of Firefox */
      -ms-user-select: none; /* Internet Explorer/Edge */
          user-select: none; /* Non-prefixed version, currently supported by Chrome, Edge, Opera and Firefox */
}

.card:hover {
  background: var(--primary-light);
}

.card .overlay {
  border-radius: 4px;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: #000;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.card .overlay.show {
  opacity: 0.7;
}

.card.bg-dark {
  background: var(--primary-dark);
}

.card-text {
  text-align: start;
  padding: 0 2rem;
}

.card-text > div {
  position: relative;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.card-text > div.show {
  opacity: 1;
}

.card-text > div p {
  margin-bottom: 0.5rem;
  line-height: 1.8;
  font-size: 14px;
  display: none;
}

.card-text > div.show p {
  display: block;
}

.card h1,
.card h2 {
  text-align: center;
  font-family: var(--header-font);
  font-weight: 400;
  position: relative;
  z-index: 3;
}

.card h1 {
  margin-top: 32px;
  font-size: 32px;
}

.card h2 {
  margin-bottom: 16px;
  font-size: 24px;
}

.card article {
  top: 60%;
  left: 50%;
  position: absolute;
  transition: transform 0.3s ease-in-out;
}

.shape {
  background: #2d97db;
  border: 0.5em solid #fff;
  width: 4em;
  height: 4em;
  position: absolute;
  top: calc(50% - 2em);
  left: calc(50% - 2em);
}

.credits {
  padding: 2rem;
  border: 3px solid var(--primary-dark);
  font-size: 14px;
}

.credits p {
  font-size: 20px;
  font-family: var(--header-font);
  margin-bottom: 0.5rem;
}

.credits ul {
  margin-bottom: 1rem;
}

.credits li {
  list-style-type: square;
  margin-left: 1rem;
  margin-bottom: 0.25rem;
}

/* Media queries */

@media (max-width: 1100px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .container {
    max-width: 900px;
  }

  header h1 {
    font-size: 32px;
  }

  .card h1 {
    font-size: 28px;
  }

  .card h2 {
    font-size: 20px;
  }
}

@media (max-width: 600px) {
  .card,
  .credits {
    height: 300px;
  }

  .card h1 {
    margin-top: 16px;
    font-size: 24px;
  }

  .card h2 {
    margin-bottom: 8px;
    font-size: 16px;
  }

  .card article {
    transform: scale(0.75);
  }

  .card-text > div p {
    line-height: 1.5;
    font-size: 13px;
  }

  .credits p {
    font-size: 16px;
  }

}

@media (max-width: 400px) {
  .card,
  .credits {
    height: 250px;
  }

  .card-text {
    padding: 0 1rem;
  }

  .card article {
    transform: scale(0.50);
  }

  .excess-text {
    display: none;
  }

  .card-text > div p {
    font-size: 12px;
  }

  .card-text > div.show .excess-text {
    display: none;
  }

  .credits {
    padding: 1rem;
    font-size: 12px;
  }
}