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

:root {
  --clr-very-dark: hsl(217, 19%, 35%);
  --clr-dark: hsl(214, 17%, 51%);
  --clr-light: hsl(212, 23%, 69%);
  --clr-background: hsl(210, 46%, 95%);
  --clr-white: hsl(0, 0%, 100%);

  --fw-medium: 500;
  --fw-bold: 700;

  --radius: 1rem;

  --shadow:
    0 1.25rem 2.5rem rgba(0, 0, 0, 0.12);

  --transition:
    180ms ease;
}

body {
  min-height: 100vh;

  display: grid;
  place-items: center;

  padding: 1.5rem;

  font-family: "Manrope", sans-serif;

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

.card {
  width: min(100%, 23.5rem);

  overflow: hidden;

  border-radius: var(--radius);

  background-color: var(--clr-white);

  box-shadow: var(--shadow);
}

.card__image {
  width: 100%;
  height: 14rem;

  display: block;

  object-fit: cover;
}

.card__content {
  display: flex;
  flex-direction: column;
}

.card__title {
  padding:
    2rem 2rem 1rem;

  color: var(--clr-very-dark);

  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 1.35;
  font-weight: var(--fw-bold);
}

.card__description {
  padding:
    0 2rem 1.5rem;

  color: var(--clr-dark);

  font-size: 0.95rem;
  line-height: 1.7;
  font-weight: var(--fw-medium);
}

.card__footer {
  position: relative;

  min-height: 4.75rem;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 1rem 2rem;

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

.card__author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.card__avatar {
  width: 2.75rem;
  height: 2.75rem;

  border-radius: 50%;
}

.card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.card__name {
  color: var(--clr-very-dark);

  font-size: 0.9rem;
  font-weight: var(--fw-bold);
}

.card__date {
  color: var(--clr-light);

  font-size: 0.9rem;
}

.card__share-button {
  z-index: 2;

  width: 2rem;
  height: 2rem;

  flex-shrink: 0;

  border: none;
  border-radius: 50%;

  display: grid;
  place-items: center;

  cursor: pointer;

  background-color: var(--clr-background);

  transition:
    background-color var(--transition),
    transform var(--transition);
}

.card__share-button:hover {
  transform: scale(1.05);
}

.card__share-button:focus-visible,
.card__social-link:focus-visible {
  outline: 2px solid var(--clr-dark);
  outline-offset: 4px;
}

.card__share-menu {
  position: absolute;
  inset: 0;

  padding: 1rem 2rem;

  display: flex;
  align-items: center;
  gap: 1rem;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  background-color: var(--clr-very-dark);

  transition:
    opacity var(--transition),
    visibility var(--transition);
}

.card__share-title {
  color: var(--clr-light);

  font-size: 0.8rem;
  letter-spacing: 0.35rem;
  text-transform: uppercase;
}

.card__social-link {
  display: grid;
  place-items: center;
}

.card__social-link img {
  display: block;
}

.card--share-open .card__share-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.card--share-open .card__author {
  visibility: hidden;
}

.card--share-open .card__share-button {
  background-color: var(--clr-dark);
}

.card--share-open .card__share-icon {
  filter: brightness(0) invert(1);
}

@media (min-width: 43.75rem) {

  .card {
    width: min(100%, 48rem);

    display: flex;

    overflow: visible;
  }

  .card__image {
    width: 40%;
    height: auto;
    border-radius: var(--radius) 0 0 var(--radius);
  }

  .card__content {
    flex: 1;

    justify-content: center;
  }

  .card__title {
    padding:
      2rem 2.5rem 1rem;
  }

  .card__description {
    padding:
      0 2.5rem 1.5rem;
  }

  .card__footer {
    padding:
      0 2.5rem 2rem;
  }

  .card__share-menu {
    width: max-content;

    inset: auto;

    right: -4.5rem;
    bottom: 5rem;

    padding:
      1rem 2rem;

    border-radius: 0.75rem;

    box-shadow:
      0 0.75rem 2rem rgba(0, 0, 0, 0.18);
  }

  .card__share-menu::after {
    content: "";

    position: absolute;

    left: 47.5%;
    bottom: -0.35rem;

    width: 1.2rem;
    height: 1.2rem;

    background-color: var(--clr-very-dark);

    transform:
      translateX(-50%)
      rotate(45deg);
  }

  .card--share-open .card__author {
    visibility: visible;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;

    transition-duration: 0.01ms !important;

    scroll-behavior: auto !important;
  }
}