@font-face { font-family: "Cormorant Garamond"; src: url("fonts/cormorant-garamond.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("fonts/source-serif-4.woff2") format("woff2"); font-weight: 200 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("fonts/source-serif-4-italic.woff2") format("woff2"); font-weight: 200 900; font-style: italic; font-display: swap; }

:root {
  color-scheme: light dark;
  --paper: #f5f5f5;
  --band: #e9e9e9;
  --surface: linear-gradient(180deg, #ffffff, #fafafa);
  --highlight: inset 0 1px 0 rgb(255 255 255 / .9);
  --ink: #141414;
  --soft: #555555;
  --line: #d3d3d3;
  --accent: #b3121d;
  --accent-fill: #b3121d;
  --shadow: 0 1px 2px rgb(0 0 0 / .08), 0 10px 24px rgb(0 0 0 / .1);
  --shadow-deep: 0 2px 4px rgb(0 0 0 / .1), 0 24px 56px rgb(0 0 0 / .2);
  --book: 0 1px 2px rgb(0 0 0 / .3), 0 8px 16px rgb(0 0 0 / .18), 0 22px 40px rgb(0 0 0 / .2);
  --book-lift: 0 2px 4px rgb(0 0 0 / .3), 0 14px 24px rgb(0 0 0 / .22), 0 34px 60px rgb(0 0 0 / .26);
  --display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --text: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --wide: 1180px;
  --read: 680px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --field: #ffffff;
  --field-line: #8c8c8c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111111;
    --band: #181818;
    --surface: linear-gradient(180deg, #262626, #1b1b1b);
    --highlight: inset 0 1px 0 rgb(255 255 255 / .07);
    --ink: #f2f2f2;
    --soft: #adadad;
    --line: #333333;
    --accent: #ef3e42;
    --accent-fill: #c1121f;
    --shadow: 0 1px 2px rgb(0 0 0 / .6), 0 12px 28px rgb(0 0 0 / .5);
    --shadow-deep: 0 2px 4px rgb(0 0 0 / .6), 0 28px 64px rgb(0 0 0 / .7);
    --book: 0 0 0 1px rgb(255 255 255 / .06), 0 8px 16px rgb(0 0 0 / .6), 0 24px 44px rgb(0 0 0 / .75);
    --book-lift: 0 0 0 1px rgb(255 255 255 / .1), 0 14px 24px rgb(0 0 0 / .65), 0 36px 64px rgb(0 0 0 / .85);
    --field: #101010;
    --field-line: #757575;
  }
}

/* These stay dark in both themes, framing every page. */
.top, .hero, .band, .end {
  --ink: #f2f2f2;
  --soft: #b5b5b5;
  --line: #343434;
  --accent: #ef3e42;
  --accent-fill: #c1121f;
  color: var(--ink);
}
.hero, .band {
  background:
    radial-gradient(70% 90% at 78% 8%, rgb(255 255 255 / .1), rgb(255 255 255 / 0) 70%),
    radial-gradient(50% 70% at 8% 100%, rgb(255 255 255 / .04), rgb(255 255 255 / 0) 70%),
    linear-gradient(180deg, #0a0a0a, #161616);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
html:focus-within { scroll-behavior: smooth; }
body { display: flex; flex-direction: column; min-height: 100vh; margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.65 var(--text); overflow-wrap: break-word; font-variant-numeric: lining-nums; -webkit-font-smoothing: antialiased; }
main { flex: 1; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { text-wrap: balance; }
p, li { text-wrap: pretty; }
a { color: inherit; text-decoration-color: var(--line); text-underline-offset: .2em; text-decoration-thickness: 1px; transition: color .2s ease, text-decoration-color .2s ease; }
a:hover { color: var(--accent); text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.wrap { width: min(var(--wide), 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 20; background: #fff; color: #141414; padding: 8px 14px; }
.skip:focus { left: 16px; }

.label { display: flex; align-items: center; gap: 12px; font-size: .75rem; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); }
.label::before { content: ""; width: 28px; height: 1px; background: currentColor; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: rgb(10 10 10 / .95); border-bottom: 1px solid rgb(255 255 255 / .08); -webkit-backdrop-filter: blur(14px) saturate(1.2); backdrop-filter: blur(14px) saturate(1.2); }
.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px 28px; min-height: 64px; }
.mark { font: 500 1.15rem/1.2 var(--display); letter-spacing: .24em; text-transform: uppercase; text-decoration: none; white-space: nowrap; }
.top nav { display: flex; gap: clamp(14px, 3vw, 30px); font-size: .92rem; letter-spacing: .02em; }
.top nav a { padding-block: 4px; border-bottom: 1px solid transparent; color: var(--soft); text-decoration: none; }
.top nav a:hover { color: #fff; border-bottom-color: var(--accent); }
.top nav a[aria-current] { color: #fff; border-bottom-color: var(--accent); }
@media (max-width: 560px) {
  html { scroll-padding-top: 116px; }
  .top .wrap { flex-wrap: wrap; gap: 2px 20px; padding-block: 11px 7px; }
  .mark { font-size: .95rem; letter-spacing: .18em; }
  .top nav { width: 100%; justify-content: flex-start; gap: 22px; font-size: .9rem; }
}

/* Opening */
.hero { padding-block: clamp(44px, 7vw, 96px) clamp(104px, 11vw, 156px); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 7vw, 96px); align-items: center; }
.portrait-frame { position: relative; isolation: isolate; margin-right: 18px; animation: rise .8s var(--ease) both; }
.portrait-frame::before { content: ""; position: absolute; z-index: -1; inset: 18px -18px -18px 18px; border: 1px solid var(--accent); }
.portrait { width: 100%; box-shadow: 0 2px 6px rgb(0 0 0 / .6), 0 34px 70px rgb(0 0 0 / .75); }
.hero-text { animation: rise .8s .12s var(--ease) both; }
.hero h1 { margin: 22px 0 0; font: 400 clamp(3rem, 6.1vw, 5.4rem)/1 var(--display); letter-spacing: .06em; text-transform: uppercase; text-shadow: 0 2px 30px rgb(0 0 0 / .6); }
.rule { display: flex; align-items: center; gap: 14px; margin-block: clamp(22px, 3.4vw, 32px); color: var(--accent); }
.rule::after { content: ""; width: 96px; height: 1px; background: linear-gradient(90deg, currentColor, rgb(239 62 66 / 0)); }
.rule i { width: 7px; height: 7px; background: currentColor; transform: rotate(45deg); }
.hero p { margin: 0; max-width: 560px; font-size: clamp(1.12rem, 1.75vw, 1.28rem); line-height: 1.55; color: var(--soft); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 16px; margin-top: 30px; }
@media (max-width: 760px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .portrait-frame { width: min(300px, 80%); }
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* Buttons */
.buy { display: inline-block; padding: 12px 22px; border: 1px solid rgb(255 255 255 / .28); border-radius: 2px; color: var(--ink); font-size: .95rem; letter-spacing: .02em; line-height: 1.3; text-decoration: none; transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease; }
.buy:hover { border-color: #fff; color: #fff; transform: translateY(-1px); }
.buy:first-child { background: var(--accent-fill); border-color: var(--accent-fill); color: #fff; box-shadow: 0 8px 22px rgb(0 0 0 / .4); }
.buy:first-child:hover { background: #a50f1a; border-color: #a50f1a; }

.actions .soon + .buy { background: var(--accent-fill); border-color: var(--accent-fill); color: #fff; box-shadow: 0 8px 22px rgb(0 0 0 / .4); }
.actions .soon + .buy:hover { background: #a50f1a; border-color: #a50f1a; }

/* Achievements panel, overlapping the opening */
.stats { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: clamp(-96px, -7vw, -56px) auto 0; padding: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 3px; box-shadow: var(--shadow-deep), var(--highlight); list-style: none; }
.stats li { padding: clamp(20px, 2.6vw, 32px) clamp(18px, 2.4vw, 34px); border-left: 1px solid var(--line); }
.stats li:first-child { border-left: 0; }
.stats b { display: block; font: 500 clamp(2.3rem, 4vw, 3.3rem)/1 var(--display); font-variant-numeric: lining-nums; }
.stats b i { color: var(--accent); font-style: normal; }
.stats span { display: block; margin-top: 8px; font-size: .9rem; line-height: 1.35; color: var(--soft); }
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats li:nth-child(odd) { border-left: 0; }
  .stats li:nth-child(n + 3) { border-top: 1px solid var(--line); }
}
.top nav, .mark { flex-shrink: 0; }

/* Sections */
.part { padding-block: clamp(64px, 9vw, 116px); }
.part.alt { background: linear-gradient(180deg, var(--band), var(--paper)); border-top: 1px solid var(--line); }
.part > .wrap > header { margin-bottom: clamp(36px, 5vw, 60px); }
.part h2 { margin: 12px 0 0; font: 500 clamp(2.5rem, 5.2vw, 3.9rem)/1.05 var(--display); letter-spacing: .005em; }
.part header p { margin: 10px 0 0; max-width: var(--read); font-size: 1.12rem; color: var(--soft); }

/* Shelves */
.shelf { display: grid; grid-template-columns: minmax(0, 250px) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); padding-block: clamp(36px, 5vw, 56px) clamp(4px, 1.5vw, 16px); border-top: 1px solid var(--line); }
.shelf-head { align-self: start; position: sticky; top: 92px; }
.shelf h3 { margin: 0; font: 500 1.8rem/1.15 var(--display); }
.shelf-head p { margin: 10px 0 0; font-size: .98rem; line-height: 1.5; color: var(--soft); }
@media (max-width: 860px) {
  .shelf { grid-template-columns: 1fr; }
  .shelf-head { position: static; }
}

/* Books */
.books { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); column-gap: clamp(20px, 2.6vw, 34px); margin: 0; padding: 0; list-style: none; }
.book, .book a { display: grid; grid-row: span 2; grid-template-rows: subgrid; row-gap: 0; }
.book a { text-decoration: none; }
.cover-art { position: relative; align-self: end; border-radius: 1px 3px 3px 1px; box-shadow: var(--book); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.cover-art img { width: 100%; border-radius: inherit; }
/* The hinge and sheen of a printed cover. */
.cover-art::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background:
  linear-gradient(90deg, rgb(0 0 0 / .28) 0, rgb(255 255 255 / .16) 1.3%, rgb(255 255 255 / 0) 3.4%, rgb(0 0 0 / .1) 4.4%, rgb(0 0 0 / 0) 7.5%),
  linear-gradient(115deg, rgb(255 255 255 / .1), rgb(255 255 255 / 0) 42%); }
.book a:hover .cover-art { transform: translateY(-6px); box-shadow: var(--book-lift); }
.book-text { position: relative; z-index: 1; padding: 18px 0 40px; }
.book b { display: block; font: 600 1.22rem/1.18 var(--display); transition: color .2s ease; }
.book a:hover b { color: var(--accent); }
.book-text span { display: block; margin-top: 5px; font-size: .86rem; line-height: 1.4; color: var(--soft); }
.book-text em { display: block; margin-top: 6px; font-size: .68rem; font-style: normal; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }

/* Apps */
.apps { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr)); gap: 22px; margin: 0; padding: 0; list-style: none; }
.app { display: flex; flex-direction: column; gap: 18px; padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; box-shadow: var(--shadow), var(--highlight); transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s ease; }
.app:hover { transform: translateY(-4px); box-shadow: var(--shadow-deep), var(--highlight); border-color: var(--accent); }
.app-head { display: flex; gap: 16px; align-items: center; }
.icon { flex: none; border-radius: 22.5%; box-shadow: 0 0 0 1px rgb(128 128 128 / .25), 0 6px 14px rgb(0 0 0 / .3); }
.app h3 { margin: 0; font: 600 1.55rem/1.12 var(--display); }
.app h3 a { text-decoration: none; }
.app-head span { display: block; margin-top: 3px; font-size: .84rem; color: var(--soft); }
.app p { margin: 0; flex: 1; font-size: 1rem; line-height: 1.55; }
.app-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 18px; min-height: 40px; padding-top: 18px; border-top: 1px solid var(--line); }
.more { font-size: .95rem; text-decoration: none; }
.more::after { content: " \2192"; color: var(--accent); }

/* Apple's badge: the black version on light pages, the white one on dark. */
.badge { display: inline-block; line-height: 0; transition: transform .2s ease; }
.badge:hover { transform: translateY(-1px); }
.badge img { width: 120px; height: 40px; }
.badge .on-dark { display: none; }
.badge.big img { width: 150px; height: 50px; }
@media (prefers-color-scheme: dark) { .badge .on-light { display: none; } .badge .on-dark { display: block; } }
.band .badge .on-light { display: none; }
.band .badge .on-dark { display: block; }
.soon { display: inline-block; padding: 8px 12px; border: 1px solid var(--line); border-radius: 3px; font-size: .84rem; line-height: 1.3; color: var(--soft); }

#apps .shelf { padding-bottom: clamp(36px, 5vw, 56px); }
#apps .apps { grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); }
#apps header a, #books header a { color: var(--ink); }
.shots.wide { justify-content: flex-start; }
.shots.wide img { width: min(520px, 84vw); padding: 0; background: none; border-radius: 8px; box-shadow: 0 0 0 1px rgb(128 128 128 / .35), var(--shadow-deep); }

/* About */
.about-grid { display: grid; grid-template-columns: minmax(0, 250px) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); }
.about-head { align-self: start; }
.about-head h2 { margin-top: 12px; }
.about-text { max-width: 760px; font-size: 1.12rem; }
.about-text p { margin: 0 0 1.15em; }
.about-text a { text-underline-offset: .18em; }
.about-text p:first-child { margin-bottom: .8em; padding-left: clamp(18px, 2.4vw, 28px); border-left: 2px solid var(--accent); font: 400 clamp(1.5rem, 2.6vw, 2.05rem)/1.28 var(--display); }
.roles-title { margin: clamp(44px, 6vw, 72px) 0 0; padding-top: clamp(28px, 4vw, 40px); border-top: 1px solid var(--line); font: 500 clamp(1.8rem, 3vw, 2.3rem)/1.15 var(--display); }
.roles { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 22px; margin-top: clamp(22px, 3vw, 32px); }
.roles > div { grid-column: span 2; padding: 26px 26px 18px; background: var(--surface); border: 1px solid var(--line); border-top: 2px solid var(--accent); border-radius: 0 0 4px 4px; box-shadow: var(--shadow), var(--highlight); }
.roles > div:nth-child(-n + 2) { grid-column: span 3; }
.roles h3 { margin: 0 0 14px; font: 600 1.5rem/1.2 var(--display); }
.roles ul { margin: 0; padding: 0; list-style: none; font-size: .98rem; line-height: 1.45; }
.roles li { margin-bottom: 11px; }
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .roles { grid-template-columns: 1fr; }
  .roles > div, .roles > div:nth-child(-n + 2) { grid-column: auto; }
}

/* Detail pages */
.band { padding-block: clamp(28px, 4vw, 44px) clamp(52px, 7vw, 88px); }
.app-band { padding-bottom: clamp(92px, 11vw, 148px); }
.crumb { margin: 0 0 clamp(26px, 4vw, 44px); font-size: .95rem; }
.crumb a { color: var(--soft); text-decoration: none; }
.crumb a::before { content: "\2190\00a0\00a0"; color: var(--accent); }
.crumb a:hover { color: #fff; }
.band h1 { margin: 12px 0 0; font: 500 clamp(2.5rem, 5.6vw, 4.1rem)/1.04 var(--display); }
.band .sub { margin: 14px 0 0; max-width: 640px; font: italic 400 clamp(1.15rem, 2vw, 1.35rem)/1.45 var(--text); color: var(--soft); }
.prose { max-width: var(--read); }
.prose p { margin: 0 0 1em; }
.prose h2 { margin: 1.7em 0 .35em; font: 600 1.6rem/1.2 var(--display); }
.prose ul, .feature ul { margin: 0 0 1em; padding-left: 1.15em; }
.prose li, .feature li { margin-bottom: .45em; }
.prose li::marker, .feature li::marker { color: var(--accent); }
.notice { margin-top: 2em; padding-top: 1em; border-top: 1px solid var(--line); font-size: .86rem; line-height: 1.5; color: var(--soft); }
.body { padding-block: clamp(44px, 6vw, 76px) clamp(64px, 8vw, 104px); }

.book-grid { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(32px, 6vw, 76px); align-items: center; }
.book-grid .cover-art { align-self: center; box-shadow: 0 0 0 1px rgb(255 255 255 / .08), 0 12px 22px rgb(0 0 0 / .65), 0 40px 80px rgb(0 0 0 / .85); }
.book-body { align-items: start; }
.book-body .prose { grid-column: 2; }
.book-body > div:empty { display: block; }
.book-body .prose > p:first-child { font: 400 clamp(1.5rem, 2.5vw, 1.95rem)/1.28 var(--display); }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 4px 20px; margin: 24px 0 0; font-size: .95rem; }
.facts dt { color: var(--soft); }
.facts dd { margin: 0; }
@media (max-width: 760px) {
  .book-grid { grid-template-columns: 1fr; }
  .book-grid .cover-art { width: min(230px, 66%); }
  .book-body .prose { grid-column: auto; }
  .book-body > div:empty { display: none; }
}

.app-page-head { display: flex; gap: clamp(18px, 3vw, 30px); align-items: center; }
.app-page-head .icon { width: clamp(84px, 14vw, 132px); height: auto; box-shadow: 0 0 0 1px rgb(255 255 255 / .12), 0 18px 40px rgb(0 0 0 / .7); }
.band .actions a:not(.badge):not(.buy) { color: var(--ink); }
.shots-wrap { position: relative; z-index: 1; margin-top: clamp(-52px, -4vw, -28px); }
.shots { display: flex; justify-content: safe center; gap: clamp(14px, 2vw, 24px); margin-inline: -20px; padding: 6px 20px 34px; overflow-x: auto; scroll-snap-type: x proximity; }
.shots img { flex: none; width: min(240px, 62vw); height: auto; padding: 7px; background: #050505; border-radius: 32px; box-shadow: 0 0 0 1px #3d3d3d, var(--shadow-deep); scroll-snap-align: start; scroll-margin-left: 20px; }
.app-body { padding-top: clamp(20px, 3vw, 36px); }
.app-body .lede { margin: 0 0 clamp(28px, 4vw, 44px); max-width: 860px; font: 400 clamp(1.45rem, 2.4vw, 1.85rem)/1.3 var(--display); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: 22px; }
.feature { padding: 28px 28px 16px; background: var(--surface); border: 1px solid var(--line); border-top: 2px solid var(--accent); border-radius: 0 0 4px 4px; box-shadow: var(--shadow), var(--highlight); }
.feature h2 { margin: 0 0 12px; font: 600 1.55rem/1.2 var(--display); }
.after { max-width: var(--read); margin-top: 28px; }
.after p:not(.notice) { margin: 0; }

.form-card { max-width: 780px; padding: clamp(24px, 4vw, 44px); background: var(--surface); border: 1px solid var(--line); border-top: 2px solid var(--accent); border-radius: 0 0 4px 4px; box-shadow: var(--shadow-deep), var(--highlight); }
.field { margin-bottom: 20px; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
.field label { display: block; margin-bottom: 7px; font-size: .92rem; font-weight: 500; }
.field input, .field textarea { display: block; width: 100%; padding: 12px 14px; background: var(--field); border: 1px solid var(--field-line); border-radius: 2px; color: var(--ink); font: inherit; line-height: 1.5; transition: border-color .2s ease, box-shadow .2s ease; }
.field textarea { resize: vertical; min-height: 170px; }
.field input:focus, .field textarea:focus { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 4px; }
button.buy { cursor: pointer; font-family: inherit; }
button.buy:disabled { cursor: progress; opacity: .75; transform: none; }
.form-status { margin: 0; font-size: .95rem; line-height: 1.4; }
.form-status.error { color: var(--accent); }
.fine { margin: 22px 0 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: .8rem; line-height: 1.5; color: var(--soft); }
.fine a { color: inherit; }
.form-done:focus { outline: 0; }
.form-done h2 { margin: 12px 0 8px; font: 500 clamp(2.2rem, 4vw, 3rem)/1.1 var(--display); }
.form-done p { margin: 0; }
.grecaptcha-badge { visibility: hidden; }
@media (max-width: 620px) { .field-row { grid-template-columns: 1fr; } }

.title-page { padding-block: clamp(80px, 14vw, 160px); }

/* Footer */
.end { padding-block: clamp(40px, 5vw, 60px); background: linear-gradient(180deg, #161616, #0a0a0a); border-top: 1px solid rgb(255 255 255 / .08); font-size: .88rem; color: var(--soft); }
.end-main { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.end .mark { color: var(--ink); }
.end nav { display: flex; gap: 24px; font-size: .95rem; }
.end nav a { text-decoration: none; }
.end nav a:hover { color: #fff; }
.end-fine { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; padding-top: 18px; }

@media (max-width: 400px) {
  .app { padding: 22px; }
  .books { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  html, html:focus-within { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .book a:hover .cover-art, .app:hover, .buy:hover, .badge:hover { transform: none; }
}