*{
  margin: 0;
  padding: 0;

  box-sizing: border-box;
}

:root{
  font-size: 62.5%;

  --fc-primary: #f7dd43;
  --fc-secondary: #e1e1e6;

  --border-color: #746615;
  --border-top-color: #323238;

  --bg-color: #1d1c19;
  --bg-image: url(./assets/bg-yellow.svg);
}

/* body color options */

body.blue{
  --fc-primary: #338af3;
  
  --border-color: #338af3;
  
  --bg-color: #202024;
  --bg-image: url(./assets/bg-blue.svg);
}

body.green{
  --fc-primary: #047c3f;

  --border-color: #047c3f;

  --bg-color: #1a1f1b;
  --bg-image: url(./assets/bg-green.svg);
}

/* end of body color options */

body *{
  font-family: "Roboto", sans-serif;
  font-size: 1.6rem;
}

body{
  background-color: #121214;
  background-repeat: no-repeat;
  background-position: top center;
  background-size: cover;
  background-image: var(--bg-image);

  padding-bottom: 3.2rem;
}

#container{
  width: fit-content;

  margin: auto;
  padding-top: 5.2rem;
}

header{
  text-align: center;

  margin-bottom: 6.3rem;
}

#cards{
  display: flex;
  flex-direction: column;
  gap: 3.2rem;
}

.card{
  text-align: center;

  padding: 3.2rem 2.3rem;

  border-bottom: 2px solid var(--fc-primary);
  border-radius: 0.6rem;

  background: var(--bg-color);
}

.card h2{
  width: fit-content;

  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.6rem;

  border: 1px solid var(--border-color);
  border-radius: 0.6rem;
  
  margin-inline: auto;
  margin-bottom: 5.3rem;
  padding: 0.8rem 1.6rem;

  color: #f7dd43;
  font-size: 2.4rem;
}

.card h2 span{
  font-size: 1.4rem;
  text-transform: uppercase;
}

.card ul{
  display: flex;
  flex-direction: column;
  gap: 2.4rem;

  width: 27rem;

  list-style: none;
}

.card ul li{
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card ul li + li{
  padding-top: 2.4rem;
  border-top: 1px solid var(--border-top-color);
}

.card ul li strong{
  font-weight: 900;
  font-size: 3.6rem;
  line-height: 125%;  
}

.card h2 span, .card ul li strong{
  color: var(--fc-secondary);
}

.card h2:hover, .card ul li strong:hover, .card ul li img:hover{
  transform: scale(1.1);
}

.card h2, .card ul li strong, .card ul li img{
  transition: transform 0.3s;
}

.card {
  opacity: 0;
  animation: appear 0.2s forwards;
}

@keyframes appear{
  0% {
    transform: translateY(-5rem);
    opacity: 0;
  }

  100%{
    opacity: 1;
  }
}

@media (min-width: 700px) {
  #cards{
    max-width: 670px;
    flex-direction: row;
    flex-wrap: wrap;
  }
}