:root {
  --soft-blue: hsl(215, 51%, 70%);
  --cyan: hsl(178, 100%, 50%);
  --main-dark-blue: hsl(217, 54%, 11%);
  --card-dark-blue: hsl(216, 50%, 16%);
  --line-dark-blue: hsl(215, 32%, 27%);
  --white: hsl(0, 0%, 100%);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100vh;
  padding: 0;
  margin: 0;
}

body {
  background-color: var(--main-dark-blue);
  color: var(--white);
  font-size: 18px;
  font-family: "Outfit", sans-serif;
}

main {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

img {
  display: block;
  width: 100%;
  border-radius: 10px;
}

.card {
  max-width: 340px;
  padding: 1rem 1.2rem;
  background-color: var(--card-dark-blue);
  border-radius: 10px;
}

.card figure {
  position: relative;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.5s ease-out;
}

.card figure:hover {
  background-color: var(--cyan);
}

.card figure:hover > img {
  opacity: 0.6;
}

.card figure:hover .overlay {
  opacity: 1;
}

.card .overlay {
  position: absolute;
  width: 50px;
  opacity: 0;
}

.card h1 {
  font-size: 1.4rem;
}

.card p {
  color: var(--soft-blue);
}

.card strong {
  color: var(--white);
}

.card .row {
  display: flex;
  align-items: center;
}

.card .card-details {
  justify-content: space-between;
}

.card .price {
  color: var(--cyan);
}

.card .ethereum {
  width: 12px;
  margin-right: 6px;
}

.card .clock {
  width: 18px;
  margin-right: 6px;
}

.card .row span {
  display: flex;
  justify-content: center;
  align-items: center;
}

.card strong:hover {
  color: var(--cyan);
  cursor: pointer;
}

.card h1:hover {
  color: var(--cyan);
  cursor: pointer;
}

footer .row {
  border-top: 3px solid var(--line-dark-blue);
  padding: 0.5rem 0;
}

.avatar {
  width: 40px;
  border: 1px solid var(--white);
  border-radius: 30px;
  margin-right: 0.5rem;
}

@media screen and (max-width: 400px) {
  .card {
    width: 300px;
  }
}