/* --- Hero --- */

.hero {
  text-align: center;
  padding: 1.5rem 1rem 0.5rem;
}

.birb {
  margin: 0 auto;
  font-size: 0.85rem;
  line-height: 1.15;
  color: var(--red-bright);
  display: inline-block;
  text-align: left;
  animation: birb-bob 3.5s ease-in-out infinite;
}

@keyframes birb-bob {
  50% {
    transform: translateY(-5px) rotate(-2deg);
  }
}

.hero-title {
  font-size: 1.6rem;
  margin: 0.4rem 0 0;
}

.hero-dot {
  color: var(--pink-color);
}

.hero-sub {
  margin: 0.35rem 0 0;
  color: var(--comment-color);
  font-size: 0.85rem;
}

/* Sarah Kearsley's signature, part of the art and a link to the original */
.birb-sig {
  color: var(--comment-color);
  font-style: normal;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.birb-sig:hover,
.birb-sig:focus-visible {
  color: var(--red-color);
}

/* --- About --- */

.about p {
  line-height: 1.6;
  margin: 0.6rem 0;
}

.hl-name {
  color: var(--red-color);
  font-weight: bold;
}

/* --- Shelves --- */

.shelf-title {
  font-size: 1rem;
  color: var(--foreground-color);
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
}

.shelf-bracket {
  color: var(--comment-color);
}

.card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

/* --- Cards --- */

.card {
  --accent: var(--red-color);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "glyph name"
    "glyph desc";
  column-gap: 0.7rem;
  row-gap: 0.15rem;
  height: 100%;
  padding: 0.8rem 0.9rem;
  text-decoration: none;
  font-style: normal;
  background-color: var(--card-color);
  border: 1px solid var(--current-color);
  border-left: 3px solid var(--accent);
  transition:
    transform 0.12s ease-out,
    border-color 0.12s ease-out,
    box-shadow 0.12s ease-out;
}

.card-toy {
  --accent: var(--red-color);
}

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

.card-silly {
  --accent: var(--orange-color);
}

.card:hover,
.card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 4px 0 0 var(--current-color);
  outline: none;
}

.card-glyph {
  grid-area: glyph;
  align-self: center;
  color: var(--accent);
  font-size: 0.9rem;
  white-space: nowrap;
}

.card-name {
  grid-area: name;
  color: var(--foreground-color);
  font-size: 0.95rem;
}

.card:hover .card-name,
.card:focus-visible .card-name {
  color: var(--accent);
}

.card-desc {
  grid-area: desc;
  color: var(--comment-color);
  font-size: 0.75rem;
  line-height: 1.45;
}

@media (prefers-reduced-motion: reduce) {
  .birb {
    animation: none;
  }

  .card {
    transition: none;
  }

  .card:hover,
  .card:focus-visible {
    transform: none;
  }
}