:root {
  --ink: #090b0c;
  --charcoal: #101416;
  --smoke: #2b302f;
  --bone: #f2eee6;
  --mist: #c9c2b3;
  --gold: #e5bd76;
  --old-gold: #9a7035;
  --ember: #e46b34;
  --ember-dark: #9f321e;
  --line: rgba(230, 190, 120, 0.24);
  --display: Georgia, 'Iowan Old Style', 'Palatino Linotype', serif;
  --body: 'Avenir Next', 'Helvetica Neue', Arial, sans-serif;
  --content: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--bone);
  background: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
}

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

a { color: inherit; text-decoration: none; }

button { font: inherit; }

::selection { color: var(--ink); background: var(--gold); }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 9px 14px;
  color: var(--ink);
  background: var(--gold);
  border-radius: 2px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--content);
  min-height: 82px;
  transform: translateX(-50%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand { display: flex; align-items: center; gap: 11px; min-width: 178px; }

.brand-text {
  color: var(--bone);
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 1;
}

.brand-text em { color: var(--gold); font-style: normal; }

.brand-rule { display: block; width: 20px; height: 1px; background: var(--gold); box-shadow: 0 0 14px var(--gold); }

.site-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; margin-right: 30px; }

.site-nav a, .site-footer a {
  color: rgba(242, 238, 230, 0.74);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.site-nav a:hover, .site-footer a:hover { color: var(--gold); }

.header-cta {
  padding: 9px 13px;
  color: var(--bone);
  border: 1px solid rgba(229, 189, 118, 0.7);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition: color 0.2s ease, background 0.2s ease;
}

.header-cta:hover { color: var(--ink); background: var(--gold); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(430px, 0.97fr);
  align-items: center;
  min-height: 830px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 80% 26%, rgba(230, 104, 45, 0.28), transparent 25rem),
    radial-gradient(circle at 59% 65%, rgba(226, 179, 100, 0.1), transparent 22rem),
    linear-gradient(116deg, #080a0c 0%, #101414 52%, #161516 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: '';
  opacity: 0.35;
  background-image: linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.hero::after {
  position: absolute;
  right: -4%;
  bottom: -48%;
  width: 72%;
  aspect-ratio: 1;
  z-index: -1;
  content: '';
  border: 1px solid rgba(229, 189, 118, 0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 86px rgba(229, 189, 118, 0.035), 0 0 0 173px rgba(229, 189, 118, 0.025);
}

.hero-copy { width: min(570px, calc(100% - 36px)); margin-left: max(24px, calc((100vw - 1180px) / 2)); padding-top: 80px; }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1, h2 {
  margin: 0;
  color: var(--bone);
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.hero h1 { max-width: 460px; font-size: clamp(2.59rem, 4.27vw, 4.59rem); }

h1 em, h2 em { color: var(--gold); font-style: italic; font-weight: 400; }

.hero-intro { max-width: 470px; margin: 29px 0 0; color: rgba(242, 238, 230, 0.76); font-size: 1.02rem; line-height: 1.75; }

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 35px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 53px;
  padding: 14px 20px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button-fire { color: var(--bone); background: linear-gradient(135deg, var(--ember-dark), var(--ember)); box-shadow: 0 12px 28px rgba(130, 42, 20, 0.34); }
.button-fire:hover { box-shadow: 0 16px 34px rgba(221, 87, 39, 0.43); transform: translateY(-2px); }

.text-link, .inline-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--bone);
  border-bottom: 1px solid var(--gold);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.8;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.text-link:hover, .inline-cta:hover { color: var(--gold); }

.hero-facts { display: flex; gap: 28px; margin-top: 57px; }
.hero-facts span { display: flex; flex-direction: column; padding-left: 14px; border-left: 1px solid var(--gold); }
.hero-facts strong { color: var(--bone); font-family: var(--display); font-size: 1.1rem; font-weight: 400; letter-spacing: -0.02em; }
.hero-facts small { color: rgba(242,238,230,.5); font-size: .62rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }

.hero-art { position: relative; justify-self: center; width: min(410px, 72%); margin-top: 82px; perspective: 1200px; }

.book-cover { position: relative; z-index: 2; width: 100%; border: 1px solid rgba(229, 189, 118, 0.47); box-shadow: 24px 36px 55px rgba(0,0,0,.68), -7px 10px 0 rgba(228,107,52,.34); transform: rotateY(-9deg) rotateZ(1deg); transition: transform .5s ease; }
.hero-art:hover .book-cover { transform: rotateY(-2deg) rotateZ(0); }

.cover-shadow { position: absolute; z-index: 0; right: -16%; bottom: -5%; width: 100%; height: 22%; filter: blur(25px); background: rgba(0,0,0,.9); transform: rotate(-4deg); }

.sunburst { position: absolute; z-index: 1; top: -15%; left: 50%; width: 48%; aspect-ratio: 1; border: 1px solid rgba(234,205,139,.55); border-radius: 50%; box-shadow: 0 0 0 25px rgba(234,205,139,.09), 0 0 0 54px rgba(234,205,139,.05), 0 0 70px 21px rgba(227,173,83,.18); transform: translateX(-50%); }

.hero-ember { position: absolute; z-index: -1; width: 7px; height: 7px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 14px 3px rgba(228,107,52,.75); animation: flicker 4s ease-in-out infinite alternate; }
.hero-ember-one { top: 23%; right: 17%; }
.hero-ember-two { right: 4%; bottom: 26%; width: 4px; height: 4px; animation-delay: -1.3s; }

.intro-section, .preview-section, .next-section, .author-section { width: var(--content); margin: 0 auto; }

.intro-section { padding: 143px 0 121px; }

.section-marker { display: flex; align-items: center; color: rgba(229,189,118,.85); font-size: .63rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }

.intro-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: 12%; margin-top: 45px; }
.intro-heading h2, .world-copy h2, .preview-copy h2, .next-copy h2, .author-copy h2, .closing-cta h2 { font-size: clamp(2.75rem, 5vw, 5.35rem); }

.intro-body { max-width: 565px; }
.intro-body p { margin: 0 0 20px; color: rgba(242,238,230,.71); }
.intro-body .lead { color: var(--bone); font-family: var(--display); font-size: 1.45rem; line-height: 1.36; }
.intro-body .inline-cta { margin-top: 12px; }

.world-section { position: relative; display: grid; grid-template-columns: minmax(0, 1.38fr) minmax(260px, .62fr); min-height: 568px; overflow: hidden; background: #121415; }
.world-image-wrap { position: relative; min-height: 100%; }
.world-image-wrap::after { position: absolute; inset: 0; content: ''; background: linear-gradient(90deg, transparent 30%, #121415 100%), linear-gradient(0deg, rgba(0,0,0,.38), transparent 60%); }
.world-image-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.75) contrast(1.08); }
.world-copy { align-self: center; padding: 85px 54px 85px 0; }
.world-copy h2 { margin-bottom: 28px; font-size: clamp(2.6rem, 4.7vw, 4.7rem); }
.world-copy p { max-width: 370px; color: rgba(242,238,230,.7); }

.art-ribbon { display: flex; width: var(--content); gap: 18px; margin: 90px auto 128px; align-items: end; }
.art-card { position: relative; flex: 1; min-width: 0; margin: 0; overflow: hidden; border: 1px solid rgba(229,189,118,.19); background: #17191a; }
.art-card-wide { flex: 1.45; align-self: stretch; }
.art-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease, filter .5s ease; }
.art-card-wide img { object-position: center; }
.art-card:hover img { filter: brightness(1.08); transform: scale(1.035); }
.preview-section { display: grid; grid-template-columns: minmax(270px, .82fr) minmax(420px, 1.18fr); gap: clamp(45px, 8vw, 125px); align-items: center; padding: 118px 0; border-top: 1px solid var(--line); }
.preview-copy h2 { margin: 19px 0 26px; }
.preview-copy > p:not(.eyebrow) { color: rgba(242,238,230,.68); }
.preview-copy .preview-simple-title { max-width: 420px; margin: 0; font-size: clamp(2.35rem, 3.6vw, 4.2rem); line-height: .98; }
.preview-note { display: flex; align-items: center; gap: 15px; max-width: 430px; margin-top: 30px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.preview-note p { margin: 0; color: rgba(242,238,230,.67); font-size: .78rem; line-height: 1.45; }
.preview-note strong { color: var(--gold); font-size: .65rem; letter-spacing: .11em; text-transform: uppercase; }
.note-icon { display: grid; flex: 0 0 auto; width: 32px; height: 32px; place-items: center; color: var(--gold); border: 1px solid var(--old-gold); border-radius: 50%; }

.flipbook-shell { position: relative; overflow: hidden; padding: 0 25px 18px; border: 1px solid rgba(229,189,118,.38); background: linear-gradient(145deg, #2a2723, #161718 44%, #090a0b); box-shadow: 0 25px 65px rgba(0,0,0,.42); }
.flipbook-shell::before { position: absolute; top: -110px; right: -100px; width: 270px; height: 270px; content: ''; border: 1px solid rgba(229,189,118,.11); border-radius: 50%; box-shadow: 0 0 0 30px rgba(229,189,118,.03), 0 0 0 60px rgba(229,189,118,.02); }
.flipbook-backdrop { position: fixed; z-index: 90; inset: 0; background: rgba(2,4,5,.82); backdrop-filter: blur(6px); }
.flipbook-backdrop[hidden] { display: none !important; }
body.reader-is-maximized { overflow: hidden; }
.flipbook-shell.is-maximized { position: fixed; z-index: 91; top: 50%; left: 50%; width: min(1120px, calc(100vw - 72px)); max-height: calc(100dvh - 72px); overflow-x: hidden; overflow-y: auto; padding: 0 32px 28px; transform: translate(-50%, -50%); box-shadow: 0 32px 100px rgba(0,0,0,.75); }
.flipbook-shell.is-maximized::before { display: none; }
.flipbook-shell.is-maximized .flipbook-stage { grid-template-columns: 58px minmax(0, 1fr) 58px; gap: 20px; padding: 28px 0 22px; }
.flipbook-shell.is-maximized .book-frame { width: min(100%, 940px); }
.flipbook-head { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; color: rgba(242,238,230,.72); border-bottom: 1px solid rgba(229,189,118,.18); font-size: .63rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.flipbook-head em { color: var(--gold); font-family: var(--display); font-size: .96rem; font-style: italic; font-weight: 400; letter-spacing: .01em; text-transform: none; }
.flipbook-maximize { position: relative; z-index: 2; display: inline-flex; align-items: center; gap: 7px; padding: 6px 0 6px 10px; color: var(--gold); border: 0; border-left: 1px solid rgba(229,189,118,.35); background: transparent; font-size: .58rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: color .2s ease, transform .2s ease; }
.flipbook-maximize:hover { color: var(--bone); transform: translateY(-1px); }
.flipbook-maximize-icon { font-size: .95rem; line-height: 1; }
.flipbook-stage { position: relative; display: grid; grid-template-columns: 48px minmax(0, 1fr) 48px; align-items: center; gap: 12px; padding: 23px 0 17px; }
.flipbook-arrow { display: grid; width: 42px; height: 42px; place-items: center; padding: 0; color: var(--bone); border: 1px solid rgba(229,189,118,.48); background: transparent; cursor: pointer; transition: background .2s ease, color .2s ease, transform .2s ease; }
.flipbook-arrow:hover:not(:disabled) { color: var(--ink); background: var(--gold); transform: translateY(-2px); }
.flipbook-arrow:disabled { opacity: .3; cursor: not-allowed; }
.book-frame { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); overflow: hidden; width: min(100%, 650px); justify-self: center; background: #d8d0c2; box-shadow: 8px 15px 31px rgba(0,0,0,.55), -2px 1px 0 rgba(255,255,255,.12); }
.book-frame::before { position: absolute; z-index: 3; inset: 0; content: ''; pointer-events: none; box-shadow: inset 10px 0 16px rgba(0,0,0,.12), inset -10px 0 16px rgba(0,0,0,.12); }
.book-page { position: relative; display: flex; min-width: 0; aspect-ratio: .77; overflow: hidden; background: #eee8de; }
.book-page-left, .book-page-right { box-shadow: none; }
.blank-page { flex: 1; background: linear-gradient(90deg, #e8e1d5, #f5f0e8 92%); }
.book-spine { position: absolute; z-index: 4; top: 0; bottom: 0; left: 50%; width: 4px; pointer-events: none; background: linear-gradient(90deg, rgba(45,32,22,.34), rgba(0,0,0,.74) 50%, rgba(255,255,255,.13)); box-shadow: 0 0 5px rgba(0,0,0,.5); transform: translateX(-50%); }
.flipbook-page { width: 100%; height: 100%; min-width: 0; object-fit: contain; transform-origin: center center; }
.book-page .flipbook-page[hidden] { display: none !important; }
.book-page-left .flipbook-page { transform: scaleX(1.1); transform-origin: left center; }
.book-page-right .flipbook-page { transform: scaleX(1.1); transform-origin: right center; }
.page-turn-overlay { position: absolute; z-index: 6; top: 0; right: 0; bottom: 0; width: 50%; overflow: hidden; pointer-events: none; transform-origin: left center; transform-style: preserve-3d; backface-visibility: hidden; }
.page-turn-overlay[hidden] { display: none !important; }
.page-turn-overlay img { width: 100%; height: 100%; object-fit: contain; transform: scaleX(1.1); transform-origin: right center; }
.page-turn-overlay::after { position: absolute; inset: 0; content: ''; pointer-events: none; background: linear-gradient(90deg, rgba(0,0,0,.44), transparent 42%, rgba(255,255,255,.1)); opacity: 0; }
.page-turn-overlay.is-turning-forward { animation: book-page-turn-forward .72s cubic-bezier(.26,.74,.23,1) both; }
.page-turn-overlay.is-turning-forward::after { animation: book-page-turn-shadow .72s ease both; }
.page-placeholder { align-self: center; width: 100%; margin: 0; padding: 18px; color: rgba(54,42,30,.72); font-family: var(--display); font-size: clamp(.85rem, 2vw, 1.2rem); font-style: italic; text-align: center; }
.page-corner { position: absolute; z-index: 2; right: 0; bottom: 0; width: 30px; height: 30px; background: linear-gradient(135deg, transparent 50%, rgba(135,120,96,.45) 51%, rgba(248,245,238,.86) 100%); }
.flipbook-footer { display: flex; flex-direction: column; gap: 11px; }
.reader-progress { height: 2px; overflow: hidden; background: rgba(229,189,118,.2); }
.reader-progress span { display: block; width: 4.76%; height: 100%; background: var(--ember); box-shadow: 0 0 9px var(--ember); transition: width .28s ease; }
.reader-status { color: rgba(242,238,230,.75) !important; font-size: .66rem !important; letter-spacing: .08em; text-transform: uppercase; }
.flipbook-footer p { margin: 0; color: rgba(242,238,230,.54); font-size: .72rem; text-align: center; }

.next-section { display: grid; grid-template-columns: .73fr .27fr; align-items: center; gap: 42px; padding: 127px 5.5% 110px; background: linear-gradient(105deg, #131719 20%, #1f2526 100%); border-top: 1px solid rgba(229,189,118,.16); }
.next-copy { max-width: 600px; }
.next-copy h2 { margin: 19px 0 28px; }
.next-copy p:not(.eyebrow) { max-width: 530px; color: rgba(242,238,230,.67); }
.next-copy .next-whisper { margin-top: 26px; color: var(--gold); font-family: var(--display); font-size: 1.42rem; font-style: italic; }
.next-cover-wrap { position: relative; width: min(100%, 228px); justify-self: center; }
.next-cover-wrap img { position: relative; z-index: 1; border: 1px solid rgba(229,189,118,.38); box-shadow: 14px 20px 40px rgba(0,0,0,.54); transform: rotate(4deg); }
.next-cover-glow { position: absolute; z-index: 0; top: 15%; left: -13%; width: 110%; height: 70%; filter: blur(27px); background: rgba(102, 145, 162, .33); }

.author-section { display: grid; grid-template-columns: minmax(230px, .47fr) minmax(0, .53fr); align-items: center; gap: clamp(45px, 9vw, 126px); padding: 130px 7% 130px 4%; }
.author-image-wrap { position: relative; }
.author-image-wrap::before { position: absolute; top: -18px; right: -18px; width: 100%; height: 100%; content: ''; border: 1px solid var(--old-gold); }
.author-image-wrap img { position: relative; aspect-ratio: 0.75; width: 100%; object-fit: cover; object-position: 48% center; filter: saturate(.84) contrast(1.02); }
.author-copy h2 { margin: 16px 0 24px; font-size: clamp(2.55rem, 4.5vw, 4.5rem); }
.author-copy p:not(.eyebrow) { max-width: 570px; color: rgba(242,238,230,.7); }
.author-copy .inline-cta { margin-top: 14px; }

.closing-cta { position: relative; overflow: hidden; padding: 142px 24px 152px; text-align: center; background: radial-gradient(circle at 50% 0, rgba(231,124,61,.25), transparent 29rem), linear-gradient(#191513, #0a0c0d 71%); }
.closing-cta::before, .closing-cta::after { position: absolute; top: 50%; width: 22vw; height: 1px; content: ''; background: linear-gradient(90deg, transparent, var(--old-gold)); }
.closing-cta::before { left: 0; }
.closing-cta::after { right: 0; transform: scaleX(-1); }
.closing-mark { position: absolute; top: -255px; left: 50%; width: min(510px, 70vw); opacity: .065; filter: invert(1); mix-blend-mode: screen; transform: translateX(-50%); }
.closing-cta .eyebrow { justify-content: center; }
.closing-cta h2 { position: relative; margin-bottom: 36px; font-size: clamp(3.3rem, 6vw, 6.3rem); }

.site-footer { display: flex; align-items: center; justify-content: space-between; width: var(--content); min-height: 90px; margin: 0 auto; color: rgba(242,238,230,.42); font-size: .69rem; letter-spacing: .08em; text-transform: uppercase; }
.site-footer p { margin: 0; }
.site-footer p span { margin: 0 7px; color: var(--gold); }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }

@keyframes flicker { 0% { opacity: .3; transform: translateY(0) scale(.7); } 100% { opacity: 1; transform: translateY(-16px) scale(1.3); } }
@keyframes book-page-turn-forward { 0% { opacity: 1; filter: brightness(1); transform: perspective(1500px) rotateY(0); } 45% { opacity: 1; filter: brightness(.62); transform: perspective(1500px) rotateY(-76deg); } 62% { opacity: .45; filter: brightness(.38); transform: perspective(1500px) rotateY(-104deg); } 100% { opacity: 0; filter: brightness(.3); transform: perspective(1500px) rotateY(-180deg); } }
@keyframes book-page-turn-shadow { 0%, 100% { opacity: 0; } 45% { opacity: .85; } 62% { opacity: .45; } }

@media (min-width: 921px) {
  .hero-copy { width: min(640px, calc(100% - 36px)); }
  .hero h1 { max-width: 640px; }
  .hero-first-line { white-space: nowrap; }
}

@media (max-width: 920px) {
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; padding: 135px 0 72px; min-height: 0; }
  .hero-copy { margin: 0 auto; padding-top: 0; }
  .hero-art { width: min(370px, 66vw); margin-top: 65px; }
  .intro-layout, .preview-section { grid-template-columns: 1fr; gap: 43px; }
  .world-section { grid-template-columns: 1fr; }
  .world-image-wrap { height: 450px; }
  .world-image-wrap::after { background: linear-gradient(0deg, #121415, transparent 66%); }
  .world-copy { padding: 25px 9% 80px; }
  .next-section { grid-template-columns: 1fr auto; padding-right: 6%; padding-left: 6%; }
  .author-section { grid-template-columns: minmax(190px, .43fr) minmax(0, .57fr); padding-right: 2%; padding-left: 2%; }
}

@media (max-width: 680px) {
  :root { --content: min(100% - 36px, 1180px); }
  .site-header { min-height: 70px; }
  .brand { min-width: 0; }
  .brand-text { font-size: 1.32rem; }
  .header-cta { padding: 8px 9px; font-size: .57rem; }
  .hero { padding-top: 118px; }
  .hero-copy { width: var(--content); }
  .hero h1 { font-size: clamp(2.35rem, 10.5vw, 3.19rem); }
  .hero-intro { font-size: .94rem; }
  .hero-facts { gap: 15px; margin-top: 40px; }
  .hero-facts strong { font-size: .96rem; }
  .hero-facts small { font-size: .54rem; }
  .hero-art { width: min(310px, 78vw); }
  .intro-section { padding: 93px 0 84px; }
  .intro-layout { margin-top: 31px; }
  .intro-heading h2, .world-copy h2, .preview-copy h2, .next-copy h2, .author-copy h2, .closing-cta h2 { font-size: clamp(2.9rem, 13vw, 4.2rem); }
  .intro-body .lead { font-size: 1.25rem; }
  .world-image-wrap { height: 320px; }
  .world-copy { padding: 9px 9% 63px; }
  .art-ribbon { flex-wrap: wrap; margin: 54px auto 79px; }
  .art-card-wide { flex-basis: 100%; aspect-ratio: 1.25; }
  .art-card-tall { flex-basis: calc(50% - 9px); aspect-ratio: .65; }
  .preview-section { padding: 84px 0; }
  .flipbook-shell { padding: 0 12px 14px; }
  .flipbook-stage { grid-template-columns: 37px minmax(0, 1fr) 37px; gap: 6px; padding-top: 16px; }
  .flipbook-arrow { width: 33px; height: 33px; }
  .flipbook-head { padding: 13px 0; font-size: .54rem; }
  .flipbook-footer p { font-size: .65rem; }
  .flipbook-shell.is-maximized { inset: 0; width: 100vw; height: 100dvh; max-height: none; padding: 0 14px 18px; border: 0; transform: none; }
  .next-section { grid-template-columns: 1fr; gap: 42px; padding: 82px 9%; }
  .next-cover-wrap { width: 165px; justify-self: start; margin-left: 11%; }
  .author-section { grid-template-columns: 1fr; gap: 55px; padding: 87px 8%; }
  .author-image-wrap { width: min(300px, 82vw); }
  .closing-cta { padding: 111px 20px; }
  .site-footer { flex-direction: column; align-items: flex-start; justify-content: center; gap: 9px; min-height: 112px; font-size: .58rem; }
}

@media (max-width: 520px) {
  .flipbook-stage { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 10px; padding-bottom: 5px; }
  .book-frame { grid-column: 1 / -1; grid-row: 1; width: 100%; }
  .flipbook-prev { grid-column: 1; grid-row: 2; justify-self: end; }
  .flipbook-next { grid-column: 2; grid-row: 2; justify-self: start; }
  .flipbook-arrow { width: 40px; height: 34px; }
  .flipbook-shell.is-maximized .flipbook-stage { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 12px; padding: 18px 0 12px; }
  .flipbook-shell.is-maximized .book-frame { grid-column: 1 / -1; grid-row: 1; width: 100%; }
  .flipbook-shell.is-maximized .flipbook-prev { grid-column: 1; grid-row: 2; justify-self: end; }
  .flipbook-shell.is-maximized .flipbook-next { grid-column: 2; grid-row: 2; justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
}