@font-face {
  font-family: "DM Serif Text";
  src: url("assets/DMSerifText-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #fff9eb;
  --ink: #211e18;
  --text: #4a4438;
  --teal: #194d46;
  --line: #dcd1b8;
  --yellow: #fbe5a6;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --heading: "DM Serif Text", Georgia, serif;
  --body: "Trebuchet MS", system-ui, sans-serif;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.55;
}

img {
  display: block;
  height: auto;
  max-width: 100%;
}

a {
  color: inherit;
  text-underline-offset: 0.22em;
}

a:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 5px;
}

.container {
  width: min(76rem, 100% - var(--gutter) * 2);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 2;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.85rem;
  transform: translateY(-175%);
  border-radius: 0.3rem;
  background: var(--paper);
}

.skip-link:focus {
  transform: none;
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-inner {
  padding-block: 1.125rem;
  border-bottom: 1px solid var(--line);
}

.home-link {
  display: block;
  flex-shrink: 0;
  width: clamp(6.5rem, 11vw, 8.5rem);
  border-radius: 0.75rem;
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
}

.section-link:hover {
  text-decoration: underline;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  align-items: center;
  gap: clamp(1.8rem, 4vw, 4rem);
  padding-block: clamp(2.8rem, 5vw, 4.5rem);
}

.byline {
  margin: 0 0 1.05rem;
  color: var(--teal);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  font-family: var(--heading);
  font-weight: 400;
}

h1 {
  font-size: clamp(2.8rem, 6.15vw, 5.65rem);
  letter-spacing: -0.038em;
  line-height: 0.99;
}

h1 em {
  display: block;
  color: var(--teal);
  font-style: normal;
}

.intro {
  max-width: 34ch;
  margin: 1.35rem 0 1.7rem;
  color: var(--text);
  font-size: clamp(1.05rem, 1.45vw, 1.24rem);
}

.amazon-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 100%;
  min-height: 3.4rem;
  padding: 0.75rem 1.3rem;
  border-radius: 2rem;
  background: var(--teal);
  color: #fffdf5;
  font-weight: 700;
  text-decoration: none;
}

.amazon-link:hover {
  background: #103a34;
  text-decoration: underline;
}

.amazon-link span {
  flex: none;
  font-size: 1.15em;
  line-height: 1;
}

.cover-display {
  position: relative;
  isolation: isolate;
  aspect-ratio: 1.2;
  margin: 0;
}

.cover-display::before {
  position: absolute;
  z-index: -1;
  inset: 0.3rem 0 0.6rem;
  transform: rotate(-3deg);
  border-radius: 26% 30% 27% 25% / 29% 25% 29% 25%;
  background: var(--yellow);
  content: "";
}

.cover {
  position: absolute;
  aspect-ratio: 1;
  border-radius: 0.25rem;
  box-shadow: 0 1rem 1.5rem -0.75rem #34260e90, 0 0.2rem 0.35rem #34260e3d;
}

.cover-bus {
  top: 9%;
  left: 7%;
  width: 54%;
  transform: rotate(-8deg);
}

.cover-drill {
  top: 35%;
  right: 5%;
  width: 46%;
  transform: rotate(9deg);
}

.books {
  border-block: 1px solid var(--line);
  background: #f8efd9;
  scroll-margin-block-start: 1rem;
}

.books-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 3.3vw, 3rem);
  padding-block: 2.85rem 3rem;
}

h2 {
  font-size: clamp(1.85rem, 3.1vw, 2.7rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.book {
  padding-inline-start: clamp(1.1rem, 2.5vw, 2.2rem);
  border-inline-start: 1px solid #d5c6a4;
}

.book h3 {
  font-size: clamp(1.2rem, 2.05vw, 1.6rem);
  line-height: 1.12;
}

.book p {
  margin: 0.55rem 0 0;
  color: var(--text);
}

.footer-inner {
  min-height: 5.5rem;
  padding-block: 0.75rem;
}

.footer-inner img {
  width: min(13rem, 54%);
}

.footer-inner .section-link {
  font-size: 0.88rem;
}

@media (max-width: 47.5rem) {
  .header-inner {
    padding-block: 0.85rem;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 1.9rem;
    padding-block: 2.5rem 2.8rem;
  }

  h1 {
    font-size: clamp(2.75rem, 11.1vw, 4.9rem);
  }

  .cover-display {
    width: min(100%, 31rem);
    margin-inline: auto;
  }

  .books-inner {
    grid-template-columns: 1fr;
    padding-block: 2rem 2.2rem;
  }

  .book {
    padding-inline-start: 1rem;
  }

  .book h3 {
    font-size: 1.4rem;
  }
}