@font-face {
  font-family: Fredoka;
  src: url(/assets/fonts/fredoka.woff2) format("woff2");
  font-weight: 600 700;
  font-display: swap;
}
@font-face {
  font-family: Nunito;
  src: url(/assets/fonts/nunito.woff2) format("woff2");
  font-weight: 400 700;
  font-display: swap;
}

:root {
  --yellow: #FAD60C;
  --red: #C31713;
  --blue: #08A6F2;
  --orange: #D87519;
  --ink: #1B1A1F;
  --paper: #FFFFFF;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 Nunito, system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
}

h1, h2, .button, .tag {
  font-family: Fredoka, system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.15;
}
h1 { font-size: clamp(1.75rem, 6vw, 2.5rem); margin: 0 0 .75rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 .5rem; }
p { margin: 0 0 1rem; }

a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--red); }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

/* Header */
.brand { display: inline-block; margin-bottom: 2rem; }
.brand img { display: block; height: 2.25rem; width: auto; }
.hero { text-align: center; padding: 1.5rem 0 .5rem; }
.hero img { width: min(70%, 17rem); height: auto; }
.hero p { font-size: 1.2rem; max-width: 26rem; margin: 1.25rem auto 0; }

/* Book card (home) */
.book {
  margin: 2rem 0;
  padding: 1.5rem 1.25rem 1.75rem;
  background: var(--yellow);
  border: 3px solid var(--ink);
  border-radius: 1.25rem;
  box-shadow: .375rem .375rem 0 var(--ink);
}
.book h2 { font-size: clamp(1.75rem, 7vw, 2.5rem); font-weight: 700; margin: .75rem 0 .25rem; }
.book ul { margin: .75rem 0 0; padding-left: 1.2rem; }
.tag {
  display: inline-block;
  padding: .3rem .8rem;
  border-radius: 99px;
  background: var(--red);
  color: #fff;
  font-size: .875rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.button {
  display: inline-block;
  padding: .8rem 1.4rem;
  border-radius: 99px;
  background: var(--ink);
  color: #fff;
  font-size: 1.0625rem;
  text-decoration: none;
}
.button:hover { background: var(--red); color: #fff; }
.bonus { text-align: center; margin: 2.5rem 0 1rem; }
.bonus p { margin-bottom: .75rem; }

/* Bonus grid (/bm1/) */
.grid {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.grid li { text-align: center; }
.grid a { display: block; text-decoration: none; font-weight: 700; }
.grid img, .soon {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  margin-bottom: .5rem;
  border-radius: 1rem;
  border: 3px solid var(--ink);
  background: var(--paper);
}
.soon {
  display: grid;
  place-items: center;
  border-style: dashed;
  font: 700 3rem/1 Fredoka, system-ui, sans-serif;
}
.grid li:nth-child(3n+1) .soon { background: var(--yellow); }
.grid li:nth-child(3n+2) .soon { background: var(--blue); }
.grid small { display: block; font-size: .9375rem; }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 3px solid var(--ink);
  font-size: .9375rem;
  display: flex;
  flex-wrap: wrap;
  gap: .25rem 1.25rem;
  justify-content: space-between;
}

@media (min-width: 40rem) {
  .wrap { padding-top: 2.5rem; }
  .book { padding: 2rem 2rem 2.25rem; }
  .grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
}