:root {
  --paper: #faf8f3;
  --panel: #f0ece2;
  --ink: #16140f;
  --muted: #6b665b;
  --rule: #ddd6c7;
  --accent: #b3261e;
  --on-accent: #ffffff;
  --display: Georgia, serif;
  --text: Georgia, serif;
  --display-weight: 700;
  --display-case: none;
  --edge: max(1rem, calc((100% - 76rem) / 2));
  --gap: clamp(1rem, 2.5vw, 2rem);
  --measure: 38rem;
}

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

html {
  font-size: clamp(1rem, 0.6rem + 0.4vw, 1.125rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.6 var(--text);
}

main {
  flex: 1;
}

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

a {
  color: inherit;
}

h1,
h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: var(--display-weight);
  text-transform: var(--display-case);
  letter-spacing: -0.01em;
  line-height: 1.05;
  text-wrap: balance;
}

.shell {
  padding-inline: var(--edge);
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  min-height: 3.5rem;
}

.masthead__name {
  font: var(--display-weight) 1.35rem/1 var(--display);
  text-transform: var(--display-case);
  text-decoration: none;
}

.masthead__nav {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2rem);
  font-size: 0.95rem;
}
.masthead__nav a {
  text-decoration: none;
  color: var(--muted);
}
.masthead__nav a:hover,
.masthead__nav a[aria-current=page] {
  color: var(--ink);
}
.masthead__nav a[aria-current=page] {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.4em;
}

.masthead__brand {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
}

.masthead__tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.masthead__name--logo img {
  max-height: 2.75rem;
  width: auto;
}

.banner {
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.9rem;
}
.banner a {
  font-weight: 700;
  margin-left: 0.5rem;
}

.banner__inner {
  margin: 0;
  padding-block: 0.5rem;
  text-align: center;
}

.label {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.button {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.button:hover {
  background: var(--panel);
}

.buy {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0;
}
.buy .button:first-child {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.prose {
  max-width: var(--measure);
}
.prose > :first-child {
  margin-top: 0;
}
.prose > :last-child {
  margin-bottom: 0;
}
.prose p,
.prose ul,
.prose ol,
.prose blockquote {
  margin: 0 0 1em;
}
.prose ul,
.prose ol {
  padding-left: 1.25em;
}
.prose h1,
.prose h2,
.prose h3 {
  margin: 1.5em 0 0.5em;
  font-family: var(--display);
  line-height: 1.2;
}
.prose h1,
.prose h2 {
  font-size: 1.5rem;
}
.prose h3 {
  font-size: 1.2rem;
}
.prose blockquote {
  padding-left: 1em;
  border-left: 3px solid var(--rule);
  color: var(--muted);
}
.prose a {
  color: var(--accent);
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 18rem) minmax(0, 1fr);
  gap: var(--gap) calc(var(--gap) * 2);
  align-items: start;
  padding-block: var(--gap);
  border-bottom: 1px solid var(--rule);
}
.feature h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
}
.feature .prose {
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 1rem;
}

.tagline {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

.more {
  font-weight: 600;
}

.shelf {
  padding-block: var(--gap) calc(var(--gap) * 2);
}
.shelf h2 {
  font-size: 1.5rem;
  margin-bottom: var(--gap);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  gap: calc(var(--gap) * 1.25) var(--gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  text-decoration: none;
}
.card img,
.card .card__blank {
  aspect-ratio: 2/3;
  width: 100%;
  object-fit: cover;
  margin-bottom: 0.5rem;
  background: var(--panel);
}
.card:hover img {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.card__blank {
  display: flex;
  align-items: flex-end;
  padding: 0.75rem;
  font: var(--display-weight) 1.1rem/1.1 var(--display);
}

.card__caption {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card__title {
  font-weight: 600;
  line-height: 1.3;
}

.card__series {
  color: var(--muted);
  font-size: 0.85rem;
}

.book {
  display: grid;
  grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
  gap: var(--gap) calc(var(--gap) * 2);
  align-items: start;
  padding-block: var(--gap) calc(var(--gap) * 2);
}
.book h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
}

.book__cover {
  position: sticky;
  top: calc(3.5rem + var(--gap));
}

.book__subtitle {
  margin: 0.5rem 0 0;
  font-size: 1.25rem;
  color: var(--muted);
}

.book__series {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1.5rem;
  margin: 2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  max-width: var(--measure);
  font-size: 0.9rem;
}
.facts dt {
  color: var(--muted);
}
.facts dd {
  margin: 0;
}

.page {
  display: grid;
  grid-template-columns: minmax(0, 16rem) minmax(0, 1fr);
  gap: var(--gap) calc(var(--gap) * 2);
  padding-block: var(--gap) calc(var(--gap) * 2);
}
.page h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.page--plain {
  grid-template-columns: minmax(0, 1fr);
}

.form {
  display: grid;
  gap: 1rem;
  max-width: 32rem;
}
.form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
}
.form input,
.form textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-weight: 400;
}
.form textarea {
  min-height: 10rem;
  resize: vertical;
}
.form button {
  justify-self: start;
  padding: 0.65rem 1.2rem;
  border: 0;
  background: var(--accent);
  color: var(--on-accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.notice {
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--panel);
  max-width: 32rem;
}

.footer {
  border-top: 1px solid var(--rule);
  font-size: 0.9rem;
  color: var(--muted);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
}

.footer__name {
  margin: 0;
}

.footer__note {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.missing {
  padding-block: 4rem;
}

.book__bundle {
  margin: 1rem 0 0;
  color: var(--muted);
}

.series-row {
  margin-bottom: calc(var(--gap) * 1.5);
}
.series-row h2 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}
.series-row h2 a {
  text-decoration: none;
}

.series__description {
  margin: 0.75rem 0 var(--gap);
}

.shelf__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--gap);
}

ol.cards {
  list-style: none;
}

.theme-gallery .masthead__inner {
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
  padding-block: 0.75rem;
}
.theme-gallery .masthead__name {
  font-size: 1.6rem;
}
.theme-gallery .masthead__brand {
  flex-direction: column;
  align-items: center;
}
.theme-gallery .feature {
  padding-block: calc(var(--gap) * 1.5);
  background: var(--panel);
  border-bottom: 0;
  grid-template-columns: minmax(0, 20rem) minmax(0, 36rem);
  justify-content: center;
}
.theme-gallery .shelf h2,
.theme-gallery .shelf__title {
  text-align: center;
}
.theme-gallery .cards {
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: calc(var(--gap) * 1.5) calc(var(--gap) * 1.25);
}
.theme-gallery .card {
  text-align: center;
}
.theme-gallery .series-row h2 {
  text-align: left;
}

@media (max-width: 44rem) {
  .feature,
.book,
.page {
    grid-template-columns: minmax(0, 1fr);
  }
  .feature img,
.book__cover {
    position: static;
    max-width: 14rem;
  }
  .masthead__name {
    font-size: 1.1rem;
  }
  .masthead__tagline {
    display: none;
  }
}