/* Main design: brand palette and responsive type scale. */
:root {
  --navy: #10264d;
  --gold: #b5872f;
  --gold-text: #85611f;
  --ink: #172033;
  --muted: #626d7d;
  --paper: #f7f5f0;
  --line: #dedbd2;
  --content: 1180px;
  --serif: "Gowun Batang", serif;
  --sans: "Noto Sans KR", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: #fff; font: 400 16px/1.8 var(--sans); word-break: keep-all; overflow-wrap: break-word; }
.home-page { zoom: .8; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a, input, textarea { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img, video { max-width: 100%; }
input, textarea { min-width: 0; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
::selection { color: var(--navy); background: #eadfc4; }
.wrap { width: min(var(--content), calc(100% - 64px)); margin-inline: auto; }
h1, h2, h3, blockquote, .banner-copy strong { word-break: keep-all; overflow-wrap: break-word; text-wrap: balance; }
p, .sub, .desc, small { text-wrap: pretty; }
h1, h2 { color: var(--navy); font-family: var(--serif); font-weight: 700; letter-spacing: -.035em; }
h2 { margin: 0; font-size: clamp(28px, 2.8vw, 40px); line-height: 1.4; }
p { color: var(--muted); }
.skip-link { position: fixed; top: -100px; left: 16px; padding: 12px 20px; z-index: 20; background: var(--navy); color: #fff; }
.skip-link:focus { top: 12px; }

/* Navigation */
.header { position: sticky; top: 0; z-index: 10; height: 80px; border-bottom: 1px solid #10264d0d; background: #fffffff5; backdrop-filter: blur(12px); }
.nav { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: baseline; gap: 14px; white-space: nowrap; }
.home-page .brand { min-height: 30px; }
.brand b, footer b { color: var(--navy); font: 700 26px var(--serif); letter-spacing: -.04em; }
.brand span, footer span { color: var(--gold); }
.brand small { font-size: 11px; color: var(--muted); }
.nav nav { display: flex; gap: 26px; align-items: center; font-size: 14px; }
.nav nav a { display: inline-flex; align-items: center; min-height: 44px; position: relative; }
.home-page .nav nav a { min-width: 30px; }
.nav nav a::after { content: ""; position: absolute; bottom: 5px; inset-inline: 0; height: 1px; background: var(--gold); transform: scaleX(0); transition: transform .2s; }
.nav nav a:hover::after, .nav nav a.is-current::after { transform: scaleX(1); }
.menu-toggle { display: none; min-height: 44px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--navy); }
.back-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; }

/* A quieter announcement lets the editorial heading lead the page. */
.banner-section { padding-top: 24px; background: var(--paper); }
.banner-list { display: grid; gap: 12px; }
.site-banner { display: flex; align-items: center; min-height: 140px; background-size: cover; background-position: center 43%; border-radius: 6px; color: #fff; overflow: hidden; }
.banner-copy { display: flex; flex-direction: column; gap: 7px; padding: 28px 38px; max-width: 760px; }
.banner-copy strong { font: 700 clamp(23px, 2.4vw, 32px)/1.4 var(--serif); letter-spacing: -.025em; }
.banner-copy small { font-size: 13px; color: #f6f3eb; }
.hero { padding: 72px 0 80px; background: linear-gradient(120deg, var(--paper), #fff); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: center; gap: 56px; }
.hero-grid > *, .split > *, .about-intro > *, .book-detail-layout > * { min-width: 0; }
.eyebrow { margin: 0 0 18px; color: var(--gold-text); font-size: 11px; font-weight: 700; letter-spacing: .12em; line-height: 1.8; }
.hero h1 { margin: 0; font-size: clamp(36px, 3.65vw, 52px); line-height: 1.35; }
.lead { max-width: 34rem; margin: 24px 0 28px; font-size: 16px; line-height: 1.95; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 12px 24px; border: 1px solid transparent; border-radius: 4px; font-size: 14px; font-weight: 700; transition: background .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.gold { background: var(--gold); color: var(--navy); }
.gold:hover { background: #c69943; }
.light { color: var(--navy); border-color: #10264d40; background: #ffffff80; }
.light:hover { background: #fff; }
.stats { display: flex; gap: 38px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.stats strong { min-width: 65px; color: var(--navy); font: 700 26px/1.3 var(--serif); }
.stats small { display: block; margin-top: 6px; color: var(--muted); font: 400 11px/1.6 var(--sans); }
.film { min-width: 0; }
.film video { display: block; width: 100%; aspect-ratio: 16/11; object-fit: cover; border-radius: 6px; background: #eae5da; box-shadow: 10px 10px 0 #e8e2d3; }
.film p { margin: 22px 0 0; text-align: right; font-size: 12px; }

/* Consistent section rhythm and readable text measures. */
.section { padding: 88px 0; }
.cream { background: var(--paper); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 34px; }
.section-head .eyebrow { margin-bottom: 10px; }
.section-head span { font-size: 13px; color: var(--muted); }
.all-books-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--navy); font-size: 13px; font-weight: 500; }
.all-books-link:hover, .book-card-link:hover h3, .author:hover h3 { color: var(--gold-text); }
.about-intro { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px 64px; align-items: start; }
.about-brand-mark { grid-row: span 2; min-height: 210px; padding: 28px 20px; display: flex; flex-direction: column; justify-content: center; align-items: center; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; }
.about-brand-mark strong { color: var(--navy); font: 700 30px var(--serif); white-space: nowrap; }
.about-brand-mark strong span { color: var(--gold); }
.about-brand-mark small { margin-top: 14px; font-size: 8px; letter-spacing: .08em; color: var(--muted); }
.about-brand-mark img { max-height: 150px; object-fit: contain; }
.about-copy h2 { max-width: 22em; }
.about-copy > p:last-child { max-width: 45em; margin: 20px 0 0; font-size: 16px; line-height: 1.95; white-space: pre-line; }
.about-mindset { grid-column: 2; border-left: 2px solid var(--gold); padding-left: 24px; }
.about-mindset > span { color: var(--gold-text); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.about-mindset blockquote { margin: 8px 0 0; color: var(--navy); font: 700 22px/1.7 var(--serif); }
.representative { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 28px; align-items: center; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.representative-photo { width: 120px; height: 120px; overflow: hidden; border-radius: 50%; background: var(--paper); }
.representative-photo img { width: 100%; height: 100%; object-fit: cover; }
.representative-photo .initial { width: 100%; height: 100%; }
.representative-copy .eyebrow { margin-bottom: 10px; }
.representative-copy h3 { margin: 0; color: var(--navy); font: 700 23px/1.5 var(--serif); }
.representative-copy > p:last-child { max-width: 45em; margin-bottom: 0; font-size: 15px; white-space: pre-line; }

/* Book titles get a useful reading width instead of narrow mobile columns. */
.book-grid, .book-list-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.book { min-width: 0; display: flex; flex-direction: column; padding: 22px; background: #fff; border: 1px solid #e8e4db; border-radius: 6px; transition: border-color .2s, box-shadow .2s; }
.book:hover { border-color: #c9b891; box-shadow: 0 10px 28px #10264d08; }
.book-card-link { display: flex; flex: 1; flex-direction: column; min-width: 0; }
.cover { display: flex; justify-content: center; align-items: center; margin: -22px -22px 22px; aspect-ratio: 4/5; background: #eeeae2; overflow: hidden; border-radius: 5px 5px 0 0; color: var(--gold-text); }
.cover img { display: block; width: 100%; height: 100%; object-fit: contain; background: #fff; }
.tag { margin: 0 0 8px; color: var(--gold-text); font-size: 11px; font-weight: 700; }
.book h3 { margin: 0 0 12px; color: var(--navy); font-size: 19px; line-height: 1.6; letter-spacing: -.025em; }
.sub { margin: 0 0 14px; font-size: 13px; line-height: 1.8; }
.desc { margin: 0 0 20px; font-size: 14px; line-height: 1.85; }
.meta { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.9; }
.book-detail-link { margin-top: 14px; color: var(--navy); font-size: 12px; font-weight: 500; }
.buy { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.buy a { display: inline-flex; align-items: center; min-height: 40px; padding: 7px 13px; color: var(--gold-text); border: 1px solid var(--line); border-radius: 3px; font-size: 12px; }
.buy a:hover { background: var(--paper); border-color: var(--gold); }
.books-toolbar { display: flex; justify-content: space-between; align-items: center; margin: -12px 0 20px; color: var(--muted); font-size: 13px; }
.books-control { width: 55px; height: 55px; margin-left: 6px; color: var(--navy); background: transparent; border: 1px solid var(--line); border-radius: 50%; }
.books-control:hover { color: #fff; background: var(--navy); }
.books-control:disabled { opacity: .45; cursor: default; }
.books-playback { width: auto; padding-inline: 16px; border-radius: 28px; }
.books-viewport { overflow-x: auto; overflow-y: hidden; overflow-anchor: none; padding: 28px 16px 34px; scrollbar-width: thin; scrollbar-color: #bca773 transparent; overscroll-behavior-x: contain; }
.books-viewport .book-grid { display: flex; gap: 24px; }
.books-viewport .book { position: relative; flex: 0 0 calc((100% - 48px)/3); transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease; }
.books-viewport .book:focus-within { z-index: 1; transform: scale(1.035); border-color: var(--gold); box-shadow: 0 12px 26px #10264d24, 0 0 0 1px var(--gold); }
@media (hover: hover) and (pointer: fine) {
  .books-viewport .book:hover { z-index: 1; transform: scale(1.035); border-color: var(--gold); box-shadow: 0 12px 26px #10264d24, 0 0 0 1px var(--gold); }
}
.books-hint { font-size: 11px; margin: 12px 0 0; }

/* Authors and contact */
.author-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 48px; }
.author { display: flex; gap: 22px; padding: 26px 0; border-top: 1px solid var(--line); min-width: 0; }
.author > div { min-width: 0; }
.author img, .initial { flex: none; width: 96px; height: 96px; border-radius: 50%; object-fit: cover; background: #eae5da; }
.initial { display: flex; justify-content: center; align-items: center; color: var(--gold-text); font: 700 32px var(--serif); }
.author h3 { margin: 0 0 8px; color: var(--navy); font-size: 21px; }
.author p { font-size: 14px; margin: 6px 0; }
.author .role { font-weight: 500; color: var(--gold-text); }
.author small { font-size: 12px; color: var(--muted); }
.author-more { display: block; margin-top: 16px; color: var(--navy); font-size: 12px; }
.contact { background: var(--navy); color: #fff; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 88px; }
.contact h2 { max-width: 13em; color: #fff; font-size: clamp(28px, 2.8vw, 38px); line-height: 1.5; }
.contact p { color: #d5dce8; font-size: 15px; line-height: 2; }
.contact .eyebrow { color: #ddbd7d; font-size: 11px; }
.contact form { display: grid; gap: 16px; }
.contact-field label { display: block; margin-bottom: 7px; color: #e6eaf1; font-size: 13px; }
.contact input, .contact textarea { display: block; width: 100%; padding: 13px 15px; border: 1px solid #d7dce4; border-radius: 4px; background: #fff; color: var(--ink); font-size: 15px; }
.contact textarea { resize: vertical; min-height: 144px; }
.contact input::placeholder, .contact textarea::placeholder { color: #737d8b; }
.contact .button { justify-self: start; }
.contact .errorlist { margin: 6px 0 0; padding-left: 20px; color: #ffe4ac; font-size: 13px; }
.contact .form-error-summary { margin: 0; padding: 12px; color: #ffe4ac; border: 1px solid #ffe4ac; }
.contact [aria-invalid=true] { border: 2px solid #c74734; }
footer { padding: 32px 0; background: #0a1830; color: #bac3d3; font-size: 12px; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
footer b { color: #fff; font-size: 21px; }
footer p { color: #bac3d3; margin: 0; }
.toast { position: fixed; right: 24px; bottom: 24px; max-width: calc(100% - 48px); padding: 16px 22px; background: var(--navy); color: #fff; border: 1px solid var(--gold); border-radius: 4px; z-index: 20; }
.empty, .book-list-empty { grid-column: 1/-1; text-align: center; padding: 48px 20px; }

/* Catalogue and book detail use the same type scale as the homepage. */
.book-list-hero, .book-detail-hero, .author-hero { padding: 64px 0 72px; background: linear-gradient(120deg, var(--paper), #fff); }
.book-list-hero h1, .author-hero h1 { margin: 0 0 16px; font-size: clamp(34px, 3.8vw, 52px); line-height: 1.4; }
.book-list-hero > .wrap > p:not(.eyebrow) { margin: 0; font-size: 16px; }
.book-search { max-width: 640px; margin-top: 32px; }
.book-search label { display: block; margin-bottom: 10px; color: var(--navy); font-size: 13px; font-weight: 500; }
.book-search > div { display: flex; gap: 8px; }
.book-search input { flex: 1; padding: 14px 16px; background: #fff; color: var(--ink); border: 1px solid var(--line); border-radius: 4px; font-size: 16px; }
.book-search button { padding: 0 24px; color: #fff; background: var(--navy); border: 0; border-radius: 4px; font-size: 14px; }
.book-list-summary { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }
.book-list-summary h2 { font-size: 28px; }
.book-list-summary span { color: var(--gold-text); font-size: 14px; }
.book-list-summary a { margin-left: auto; padding-block: 10px; text-decoration: underline; font-size: 13px; }
.book-list-empty h2 { font-size: 28px; }
.book-detail-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.25fr); gap: 72px; align-items: center; margin-top: 28px; }
.book-detail-cover { display: flex; align-items: center; justify-content: center; aspect-ratio: 4/5; max-width: 400px; background: #eae5da; box-shadow: 10px 10px 0 #e8e2d3; }
.book-detail-cover img { display: block; width: 100%; height: 100%; object-fit: contain; }
.book-detail-cover span { color: var(--gold-text); font: 700 28px var(--serif); }
.book-detail-copy h1 { margin: 0; font-size: clamp(30px, 3vw, 44px); line-height: 1.5; }
.book-detail-subtitle { margin: 18px 0 0; font-size: 16px; }
.book-detail-author { margin: 22px 0; color: var(--gold-text); font-size: 14px; }
.book-detail-intro { font-size: 15px; line-height: 1.95; white-space: pre-line; }
.book-detail-actions { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.book-detail-label { color: var(--navy); font-size: 12px; font-weight: 700; }
.book-detail-buy a { min-height: 44px; padding: 9px 18px; }
.book-no-link { font-size: 14px; color: var(--muted); }
.book-detail-body, .author-career-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 64px; }
.book-detail-description p { margin: 0; font-size: 16px; line-height: 2; white-space: pre-line; }
.book-detail-description h3 { margin: 28px 0 10px; color: var(--navy); font-size: 17px; }
.book-meta-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: 0; }
.book-meta-list > div { padding-top: 16px; border-top: 1px solid var(--navy); }
.book-meta-list dt { color: var(--muted); font-size: 12px; }
.book-meta-list dd { margin: 10px 0 0; font-size: 15px; color: var(--navy); overflow-wrap: anywhere; }
.book-detail-related { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.related-book { min-width: 0; }
.related-cover { display: flex; align-items: center; justify-content: center; aspect-ratio: 4/5; margin-bottom: 18px; background: var(--paper); }
.related-cover img { width: 100%; height: 100%; object-fit: contain; }
.related-book strong { display: block; font-size: 17px; line-height: 1.7; text-wrap: balance; color: var(--navy); }
.related-book small { display: block; margin-top: 8px; color: var(--muted); font-size: 12px; }

.author-hero-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 64px; align-items: center; }
.author-portrait { width: 220px; height: 220px; overflow: hidden; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--gold-text); background: #eae5da; font: 700 60px var(--serif); }
.author-portrait img { width: 100%; height: 100%; object-fit: cover; }
.author-role { font-size: 17px; color: var(--gold-text); }
.author-description { max-width: 44em; font-size: 16px; line-height: 1.95; }
.author-links { margin-top: 26px; }
.author-links h2 { font: 700 15px var(--sans); margin-bottom: 12px; }
.author-links > div { display: flex; flex-wrap: wrap; gap: 8px; }
.author-links a { padding: 10px 15px; min-height: 44px; border: 1px solid var(--line); background: #fff; color: var(--navy); font-size: 13px; }
.career-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.career-list li { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.career-list time { font-size: 13px; color: var(--gold-text); }
.career-list p { margin: 0; font-size: 15px; }
.author-books .book-grid { margin-top: 32px; }

@media (max-width: 1000px) {
  .nav nav { gap: 18px; }
  .hero-grid { gap: 32px; }
  .hero h1 { font-size: 40px; }
  .book-detail-layout { gap: 40px; }
  .split { gap: 48px; }
}
@media (max-width: 900px) {
  .header { height: 72px; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .nav nav { display: none; position: absolute; top: 72px; inset-inline: 0; padding: 12px 32px 20px; border-bottom: 1px solid var(--line); background: #fff; }
  .nav nav.is-open { display: grid; gap: 0; }
  .nav nav a { min-height: 48px; border-bottom: 1px solid #eee; }
  .nav nav a::after { display: none; }
  .hero { padding: 52px 0 60px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .hero h1 { max-width: 16em; font-size: clamp(34px, 5.5vw, 44px); }
  .lead { max-width: 42em; }
  .film { max-width: 600px; width: 100%; }
  .stats { max-width: 540px; }
  .section { padding: 64px 0; }
  .about-intro { grid-template-columns: 180px minmax(0, 1fr); gap: 24px 32px; }
  .about-brand-mark strong { font-size: 25px; }
  .about-brand-mark small { text-align: center; }
  .author-grid, .split, .book-detail-body, .author-career-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .book-grid, .book-list-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .books-viewport .book { flex-basis: calc((100% - 24px)/2); }
  .book-meta-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .author-hero-grid { grid-template-columns: 160px minmax(0, 1fr); gap: 32px; }
  .author-portrait { width: 160px; height: 160px; }
}
@media (max-width: 600px) {
  .home-page .menu-toggle, .home-page .button, .home-page .nav nav a { min-height: 55px; }
  .home-page .contact input, .home-page .contact textarea { font-size: 20px; }
  .wrap { width: calc(100% - 40px); }
  .brand b { font-size: 23px; }
  .brand small { display: none; }
  .banner-section { padding-top: 16px; }
  .site-banner { min-height: 142px; }
  .banner-copy { padding: 22px; }
  .banner-copy strong { font-size: 23px; }
  .banner-copy small { font-size: 12px; }
  .hero { padding: 40px 0 52px; }
  .hero h1 { font-size: clamp(30px, 8.2vw, 40px); line-height: 1.45; }
  .eyebrow { font-size: 10px; letter-spacing: .08em; margin-bottom: 14px; }
  .lead { margin: 20px 0 24px; font-size: 15px; line-height: 1.95; }
  .actions { gap: 8px; }
  .actions .button { flex: 1 1 140px; padding-inline: 12px; font-size: 13px; }
  .stats { gap: 32px; margin-top: 28px; padding-top: 20px; }
  .stats strong { min-width: 0; font-size: 24px; }
  .film video { box-shadow: 6px 6px 0 #e8e2d3; }
  .section { padding: 52px 0; }
  .section-head { display: block; margin-bottom: 24px; }
  .section-head > span, .section-head > a { margin-top: 10px; }
  h2 { font-size: 28px; }
  .about-intro { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .about-brand-mark { grid-row: auto; min-height: 140px; }
  .about-brand-mark strong { font-size: 32px; }
  .about-mindset { grid-column: auto; padding-left: 18px; }
  .about-mindset blockquote { font-size: 21px; }
  .about-copy > p:last-child { font-size: 15px; }
  .representative { grid-template-columns: 76px minmax(0, 1fr); gap: 18px; margin-top: 32px; align-items: start; }
  .representative-photo { width: 76px; height: 76px; }
  .representative-copy .eyebrow { font-size: 9px; }
  .representative-copy h3 { font-size: 20px; }
  .representative-copy > p:last-child { font-size: 14px; }
  .book-grid, .book-list-grid { grid-template-columns: minmax(0, 1fr); }
  .books-viewport .book-grid { gap: 16px; }
  .books-viewport .book { flex-basis: 87%; }
  .book h3 { font-size: 19px; }
  .books-toolbar { margin-top: 0; }
  .author { gap: 18px; padding: 24px 0; }
  .author img, .initial { width: 72px; height: 72px; }
  .author h3 { font-size: 20px; }
  .author p { font-size: 13px; }
  .contact h2 { font-size: 29px; }
  .contact .button { width: 100%; }
  footer .wrap { display: block; }
  footer p { margin-top: 14px; font-size: 11px; }
  .book-list-hero, .book-detail-hero, .author-hero { padding: 40px 0 48px; }
  .book-list-hero h1, .author-hero h1 { font-size: 36px; }
  .book-search button { padding-inline: 18px; }
  .book-search input { padding-inline: 12px; font-size: 14px; }
  .book-list-summary h2 { font-size: 25px; }
  .book-list-summary a { margin-left: 0; }
  .book-detail-layout { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .book-detail-cover { width: min(78%, 300px); margin-inline: auto; }
  .book-detail-copy h1 { font-size: clamp(28px, 7.5vw, 34px); }
  .book-detail-subtitle, .book-detail-description p { font-size: 15px; }
  .book-detail-related { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .related-book { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 6px 20px; align-content: center; }
  .related-cover { grid-row: span 2; margin: 0; }
  .related-book strong { align-self: end; font-size: 16px; }
  .related-book small { margin: 0; }
  .author-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .author-portrait { width: 140px; height: 140px; }
  .career-list li { grid-template-columns: 82px minmax(0, 1fr); gap: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}