:root {
  --ink: #070d10;
  --ink-soft: #0d171b;
  --paper: #f2eee5;
  --paper-muted: #c3c4bf;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #da6c47;
  --aqua: #83c8cb;
  --display: "Playfair Display SC", Georgia, serif;
  --sans: Inter, Arial, sans-serif;
  --shell: min(1220px, calc(100vw - 64px));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  opacity: 0.22;
  pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.35) .6px, transparent .6px);
  background-size: 8px 8px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 9px 14px;
  color: var(--ink);
  background: var(--paper);
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 13, 16, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  min-height: 108px;
  align-items: center;
  gap: 48px;
}

.wordmark { text-decoration: none; width: max-content; }
.wordmark span { display: block; font: 700 clamp(1.45rem, 2vw, 2rem)/1 var(--display); letter-spacing: .06em; }
.wordmark small { display: block; margin-top: 8px; color: var(--paper-muted); font-size: .62rem; letter-spacing: .24em; text-transform: uppercase; }

.site-nav { display: flex; align-items: center; gap: clamp(20px, 2.6vw, 38px); font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.site-nav > a, .nav-group > span { position: relative; padding-block: 12px; text-decoration: none; }
.site-nav > a::after, .nav-group > span::after { position: absolute; right: 0; bottom: 4px; left: 0; height: 1px; content: ""; background: var(--accent); transform: scaleX(0); transform-origin: right; transition: transform .25s ease; }
.site-nav > a:hover::after, .site-nav > a[aria-current="page"]::after, .nav-group:hover > span::after { transform: scaleX(1); transform-origin: left; }
.nav-group { position: relative; cursor: default; }
.nav-submenu { position: absolute; top: calc(100% - 2px); left: 50%; width: 210px; padding: 10px; border: 1px solid var(--line); background: #10191d; opacity: 0; pointer-events: none; transform: translate(-50%, 8px); transition: .2s ease; box-shadow: 0 18px 50px rgba(0,0,0,.35); }
.nav-group:hover .nav-submenu, .nav-group:focus-within .nav-submenu { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.nav-submenu a { display: block; padding: 9px 12px; color: var(--paper-muted); text-decoration: none; }
.nav-submenu a:hover, .nav-submenu a[aria-current="page"] { color: var(--paper); background: rgba(255,255,255,.05); }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 12px 8px; border: 0; color: inherit; background: transparent; }
.nav-toggle > span:not(.sr-only) { display: block; width: 27px; height: 1px; margin: 7px auto; background: currentColor; transition: .2s ease; }

.eyebrow { margin: 0 0 18px; color: var(--aqua); font-size: .7rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; font-family: var(--display); font-weight: 400; line-height: 1.08; }

.home-hero { position: relative; min-height: 670px; overflow: hidden; display: grid; align-items: center; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 75% 35%, rgba(34, 91, 95, .25), transparent 29%), linear-gradient(145deg, #071014, #0b171b 58%, #111315); }
.hero-content { position: relative; z-index: 2; padding-block: 110px 120px; }
.hero-content h1 { max-width: 860px; margin-bottom: 38px; font-size: clamp(4.2rem, 9vw, 8rem); letter-spacing: -.045em; }
.hero-copy { max-width: 720px; display: grid; grid-template-columns: .75fr 1.25fr; column-gap: 42px; align-items: start; }
.hero-copy h2 { margin: 0; color: var(--paper); font: 400 1.2rem/1.45 var(--display); letter-spacing: .02em; }
.hero-copy p { margin: 0; color: var(--paper-muted); font-size: .95rem; }
.text-link { display: inline-flex; gap: 13px; align-items: center; margin-top: 42px; color: var(--paper); font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-decoration: none; text-transform: uppercase; }
.text-link span { color: var(--accent); font-size: 1rem; transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.orbital-field { position: absolute; top: 50%; right: -7vw; width: min(54vw, 780px); aspect-ratio: 1; border: 1px solid rgba(242,238,229,.22); border-radius: 50%; transform: translateY(-50%); }
.orbital-field::before, .orbital-field::after { position: absolute; inset: 14%; content: ""; border: 1px solid rgba(218,108,71,.38); border-radius: 50%; transform: rotate(32deg) scaleY(.985); }
.orbital-field::after { inset: 31%; border-color: rgba(86,164,214,.48); transform: rotate(-17deg) scaleY(.999); }
.orbit-body { position: absolute; display: block; aspect-ratio: 1; border-radius: 50%; transform: translate(-50%, -50%); }
.orbit-ceres { top: 8.6%; left: 22%; width: 3px; background: var(--paper); box-shadow: 0 0 12px var(--paper); }
.orbit-mars { top: 69.1%; left: 80.5%; width: 5px; background: var(--accent); box-shadow: 0 0 18px var(--accent); }
.orbit-earth { top: 44.4%; left: 68.2%; width: 8px; background: rgb(86,164,214); box-shadow: 0 0 22px rgb(86,164,214); }

.book-gallery { padding-block: 120px 140px; }
.section-heading { display: grid; grid-template-columns: 1.3fr .7fr; gap: 80px; align-items: end; margin-bottom: 70px; }
.section-heading h2 { max-width: 720px; margin-bottom: 0; font-size: clamp(2.6rem, 5vw, 4.9rem); }
.section-heading > p { max-width: 400px; margin: 0; color: var(--paper-muted); }
.book-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2.5vw, 38px); }
.book-card { min-width: 0; }
.cover-link { position: relative; display: block; overflow: hidden; background: #172126; box-shadow: 0 22px 45px rgba(0,0,0,.35); }
.cover-link::after { position: absolute; inset: 0; content: ""; border: 1px solid rgba(255,255,255,.14); pointer-events: none; }
.cover-link img { width: 100%; height: auto; transition: transform .5s cubic-bezier(.2,.8,.2,1), filter .5s ease; }
.cover-link:hover img { transform: scale(1.025); filter: brightness(.82); }
.book-index { position: absolute; top: 14px; left: 14px; z-index: 1; display: grid; width: 38px; aspect-ratio: 1; place-items: center; border: 1px solid rgba(255,255,255,.5); color: #fff; background: rgba(7,13,16,.58); font-size: .65rem; letter-spacing: .1em; backdrop-filter: blur(8px); }
.book-card-copy { padding: 24px 3px 0; }
.book-card-copy p { margin: 0 0 7px; color: var(--accent); font-size: .62rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.book-card-copy h3 { margin-bottom: 10px; font-size: clamp(1.3rem, 2.1vw, 2rem); }
.book-card-copy h3 a { text-decoration: none; }
.book-card-copy > span { color: var(--paper-muted); font-size: .84rem; line-height: 1.55; }

.authors-band { padding-block: 105px; background: var(--paper); color: var(--ink); }
.authors-inner { display: grid; grid-template-columns: 1.05fr .95fr .95fr; gap: 30px; align-items: stretch; }
.authors-intro { padding: 30px 50px 30px 0; align-self: center; }
.authors-intro .eyebrow { color: #8d3f29; }
.authors-intro h2 { margin-bottom: 22px; font-size: clamp(2.6rem, 4vw, 4.4rem); }
.authors-intro > p:last-child { max-width: 430px; color: #485158; }
.author-tile { position: relative; min-height: 420px; overflow: hidden; text-decoration: none; background: #243035; }
.author-tile::after { position: absolute; inset: 0; content: ""; background: linear-gradient(transparent 45%, rgba(7,13,16,.88)); }
.author-tile img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72); transition: transform .5s ease, filter .5s ease; }
.author-tile:nth-of-type(2) img { object-position: 45% center; }
.author-tile:hover img { transform: scale(1.025); filter: saturate(1); }
.author-tile > span { position: absolute; right: 28px; bottom: 25px; left: 28px; z-index: 1; color: var(--paper); }
.author-tile strong, .author-tile small { display: block; }
.author-tile strong { font: 400 1.55rem/1.2 var(--display); }
.author-tile small { margin-top: 5px; color: #c8cecc; font-size: .65rem; letter-spacing: .13em; text-transform: uppercase; }

.book-detail { position: relative; overflow: hidden; padding: 100px 0 0; }
.book-detail-backdrop { position: absolute; inset: 0 0 auto 0; height: 660px; z-index: -1; background: radial-gradient(circle at 77% 22%, rgba(131,200,203,.16), transparent 25%), linear-gradient(140deg, #0d1c21, #080e11 66%); border-bottom: 1px solid var(--line); }
.book-02 .book-detail-backdrop { background: radial-gradient(circle at 76% 25%, rgba(205,106,68,.23), transparent 27%), linear-gradient(140deg, #1b1715, #080e11 68%); }
.book-03 .book-detail-backdrop { background: radial-gradient(circle at 76% 25%, rgba(57,110,127,.22), transparent 27%), linear-gradient(140deg, #11191e, #080e11 68%); }
.book-04 .book-detail-backdrop { background: radial-gradient(circle at 76% 25%, rgba(112,91,143,.22), transparent 27%), linear-gradient(140deg, #15131c, #080e11 68%); }
.book-detail-grid { display: grid; grid-template-columns: minmax(290px, 440px) 1fr; gap: clamp(65px, 9vw, 135px); align-items: center; }
.book-cover-wrap { position: relative; }
.book-detail-cover { width: 100%; height: auto; box-shadow: 0 40px 80px rgba(0,0,0,.56); }
.book-sequence { position: absolute; top: 0; left: -45px; color: var(--paper-muted); font-size: .61rem; letter-spacing: .19em; text-transform: uppercase; writing-mode: vertical-rl; transform: rotate(180deg); }
.book-detail-copy { padding-block: 35px 30px; }
.book-detail-copy h1 { margin-bottom: 25px; font-size: clamp(3.8rem, 7vw, 7rem); letter-spacing: -.04em; }
.book-hook { max-width: 710px; margin: 0 0 35px; color: var(--aqua); font: 400 clamp(1.25rem, 2.3vw, 1.8rem)/1.45 var(--display); }
.prose { color: var(--paper-muted); font-size: .98rem; }
.prose p { margin: 0 0 1.25em; }
.book-detail-copy .prose { max-width: 730px; columns: 2; column-gap: 46px; }
.book-detail-copy .prose p { break-inside: avoid; }
.store-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.button { display: inline-flex; min-height: 46px; padding: 12px 19px; align-items: center; justify-content: center; border: 1px solid var(--accent); color: #fff; background: var(--accent); font-size: .66rem; font-weight: 600; letter-spacing: .1em; line-height: 1.2; text-decoration: none; text-transform: uppercase; transition: .2s ease; }
.button:hover { color: var(--ink); background: var(--paper); border-color: var(--paper); }
.button-secondary { color: var(--paper); background: transparent; border-color: rgba(255,255,255,.3); }
.excerpt-button { margin-top: 18px; color: var(--ink); background: var(--aqua); border-color: var(--aqua); }
.excerpt-button + .store-links { margin-top: 14px; }
.series-nav { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 105px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.series-nav a { padding: 27px 20px; border-right: 1px solid var(--line); color: var(--paper-muted); font: 400 .9rem/1.3 var(--display); text-decoration: none; transition: .2s ease; }
.series-nav a:last-child { border-right: 0; }
.series-nav a:hover, .series-nav a[aria-current="page"] { color: var(--paper); background: rgba(255,255,255,.045); }
.series-nav a span { margin-right: 12px; color: var(--accent); font: 600 .61rem/1 var(--sans); letter-spacing: .12em; }

.excerpt-detail { position: relative; overflow: hidden; }
.excerpt-hero { position: relative; min-height: 570px; display: grid; align-items: center; overflow: hidden; border-bottom: 1px solid var(--line); }
.excerpt-hero-backdrop { position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 22% 42%, rgba(131,200,203,.2), transparent 25%), linear-gradient(140deg, #0d1c21, #080e11 68%); }
.book-02 .excerpt-hero-backdrop { background: radial-gradient(circle at 22% 42%, rgba(205,106,68,.24), transparent 25%), linear-gradient(140deg, #1b1715, #080e11 70%); }
.book-03 .excerpt-hero-backdrop { background: radial-gradient(circle at 22% 42%, rgba(57,110,127,.27), transparent 25%), linear-gradient(140deg, #11191e, #080e11 70%); }
.book-04 .excerpt-hero-backdrop { background: radial-gradient(circle at 22% 42%, rgba(112,91,143,.27), transparent 25%), linear-gradient(140deg, #15131c, #080e11 70%); }
.excerpt-hero-grid { display: grid; grid-template-columns: 270px 1fr; gap: clamp(65px, 9vw, 130px); align-items: center; padding-block: 78px; }
.excerpt-cover-wrap { position: relative; }
.excerpt-cover { position: relative; z-index: 1; width: 100%; box-shadow: 0 30px 70px rgba(0,0,0,.58); }
.excerpt-number { position: absolute; right: -58px; bottom: -42px; color: rgba(255,255,255,.055); font: 400 11rem/.7 var(--display); letter-spacing: -.08em; }
.excerpt-heading { position: relative; z-index: 1; }
.back-link { display: inline-flex; gap: 11px; align-items: center; margin-bottom: 55px; color: var(--paper-muted); font-size: .66rem; font-weight: 600; letter-spacing: .13em; text-decoration: none; text-transform: uppercase; }
.back-link span { color: var(--accent); font-size: 1rem; transition: transform .2s ease; }
.back-link:hover { color: var(--paper); }
.back-link:hover span { transform: translateX(-4px); }
.excerpt-heading h1 { max-width: 880px; margin-bottom: 30px; font-size: clamp(3.7rem, 7vw, 7rem); letter-spacing: -.045em; }
.excerpt-heading h1 span { display: block; margin-bottom: 14px; color: var(--paper-muted); font: 600 .68rem/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; }
.excerpt-heading > p:last-child { max-width: 580px; margin: 0; color: var(--paper-muted); }
.excerpt-reading { display: grid; grid-template-columns: 170px minmax(0, 780px); gap: clamp(55px, 9vw, 125px); justify-content: center; padding-block: 120px 30px; }
.excerpt-aside { position: sticky; top: 40px; height: max-content; padding-top: 5px; }
.excerpt-aside > span { display: block; margin-bottom: 20px; color: rgba(131,200,203,.2); font: 400 5rem/.8 var(--display); letter-spacing: -.05em; }
.excerpt-aside p { margin: 0 0 35px; color: var(--paper-muted); font-size: .64rem; font-weight: 600; letter-spacing: .18em; line-height: 1.7; text-transform: uppercase; }
.excerpt-aside a { display: inline-flex; gap: 9px; color: var(--paper); font-size: .65rem; font-weight: 600; letter-spacing: .11em; text-decoration: none; text-transform: uppercase; }
.excerpt-aside a span { color: var(--accent); }
.excerpt-body > .eyebrow { margin-bottom: 13px; }
.excerpt-body > h2 { margin-bottom: 65px; font-size: clamp(3.4rem, 6vw, 5.5rem); }
.excerpt-prose { color: #dad9d3; font: 400 1.08rem/1.95 Georgia, serif; }
.excerpt-prose p { margin: 0 0 1.5em; }
.excerpt-prose p:first-child::first-letter { float: left; margin: .1em .12em 0 0; color: var(--aqua); font: 400 4.2rem/.72 var(--display); }
.excerpt-prose hr { width: 90px; margin: 65px auto; border: 0; border-top: 1px solid rgba(131,200,203,.42); }
.excerpt-continue { margin-top: 105px; padding: 55px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(131,200,203,.09), rgba(255,255,255,.025)); }
.excerpt-continue h2 { margin-bottom: 20px; font-size: clamp(2.5rem, 5vw, 4.2rem); }
.excerpt-continue > p:not(.eyebrow) { max-width: 560px; margin-bottom: 30px; color: var(--paper-muted); }

.author-detail { min-height: 720px; padding-block: 105px 125px; background: radial-gradient(circle at 18% 28%, rgba(131,200,203,.12), transparent 28%); }
.author-grid { display: grid; grid-template-columns: minmax(340px, .83fr) 1.17fr; gap: clamp(70px, 10vw, 150px); align-items: center; }
.author-portrait-wrap { position: relative; margin: 0; }
.author-portrait-wrap::before { position: absolute; inset: 28px -28px -28px 28px; z-index: -1; content: ""; border: 1px solid rgba(131,200,203,.4); }
.author-portrait { width: 100%; aspect-ratio: 1; object-fit: cover; filter: saturate(.8) contrast(1.03); }
.author-portrait-wrap figcaption { margin-top: 50px; color: var(--paper-muted); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; }
.author-copy h1 { margin-bottom: 45px; font-size: clamp(4rem, 8vw, 7.5rem); letter-spacing: -.05em; }
.author-bio { max-width: 700px; color: #d0d0ca; font: 400 clamp(1.05rem, 1.5vw, 1.2rem)/1.85 Georgia, serif; }

.not-found { position: relative; min-height: 680px; overflow: hidden; display: grid; align-items: center; background: radial-gradient(circle at 75% 45%, rgba(34,91,95,.25), transparent 30%), linear-gradient(145deg, #071014, #0b171b 58%, #111315); }
.not-found-content { position: relative; z-index: 1; padding-block: 110px; }
.not-found-code { margin: 0 0 -25px; color: rgba(131,200,203,.13); font: 700 clamp(7rem, 19vw, 15rem)/.75 var(--display); letter-spacing: -.05em; }
.not-found h1 { max-width: 800px; margin-bottom: 28px; font-size: clamp(3.5rem, 7vw, 6.5rem); letter-spacing: -.045em; }
.not-found .prose { max-width: 560px; font-size: 1.05rem; }
.not-found .button { margin-top: 26px; }
.not-found-orbit { position: absolute; top: 50%; right: -8vw; width: min(52vw, 700px); aspect-ratio: 1; border: 1px solid rgba(131,200,203,.18); border-radius: 50%; transform: translateY(-50%); }
.not-found-orbit::before, .not-found-orbit::after { position: absolute; inset: 14%; content: ""; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; transform: rotate(32deg) scaleY(.52); }
.not-found-orbit::after { inset: 31%; border-color: rgba(218,108,71,.45); transform: rotate(-17deg) scaleY(.62); }
.not-found-orbit i { position: absolute; display: block; width: 7px; aspect-ratio: 1; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 22px var(--aqua); }
.not-found-orbit i:nth-child(1) { top: 16%; left: 22%; }
.not-found-orbit i:nth-child(2) { right: 13%; bottom: 30%; width: 5px; background: var(--accent); box-shadow: 0 0 20px var(--accent); }
.not-found-orbit i:nth-child(3) { bottom: 10%; left: 36%; width: 3px; }

.site-footer { padding: 80px 0 30px; border-top: 1px solid var(--line); background: #05090b; }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-bottom: 70px; }
.footer-mark { font: 700 1.7rem/1 var(--display); letter-spacing: .05em; text-decoration: none; }
.footer-inner > div:first-child p { max-width: 350px; margin: 18px 0 0; color: #828d91; font-size: .82rem; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-links > div { display: flex; flex-direction: column; gap: 9px; }
.footer-links strong { margin-bottom: 7px; color: var(--aqua); font-size: .65rem; letter-spacing: .17em; text-transform: uppercase; }
.footer-links a { width: max-content; color: #a8b0b1; font-size: .82rem; text-decoration: none; }
.footer-links a:hover { color: var(--paper); }
.copyright { padding-top: 28px; border-top: 1px solid var(--line); color: #828d91; font-size: .61rem; letter-spacing: .12em; text-transform: uppercase; }

@media (max-width: 960px) {
  :root { --shell: min(100% - 40px, 760px); }
  .header-inner { min-height: 88px; }
  .nav-toggle { display: block; }
  .nav-toggle[aria-expanded="true"] > span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: absolute; top: 100%; right: 0; left: 0; display: none; padding: 24px max(20px, calc((100vw - 760px)/2)); align-items: stretch; flex-direction: column; gap: 2px; border-bottom: 1px solid var(--line); background: #0b1316; }
  .site-nav.is-open { display: flex; }
  .nav-group > span { display: block; color: #7d888b; }
  .nav-submenu { position: static; width: auto; padding: 0 0 10px 16px; border: 0; background: transparent; box-shadow: none; opacity: 1; pointer-events: auto; transform: none; }
  .site-nav > a, .nav-submenu a { padding-block: 10px; }
  .hero-content h1 { max-width: 680px; }
  .orbital-field { right: -28vw; width: 85vw; opacity: .65; }
  .section-heading { grid-template-columns: 1fr; gap: 28px; }
  .book-grid { grid-template-columns: repeat(2, 1fr); gap: 55px 28px; }
  .authors-inner { grid-template-columns: repeat(2, 1fr); }
  .authors-intro { grid-column: 1 / -1; padding-right: 0; }
  .book-detail-grid { grid-template-columns: minmax(260px, .75fr) 1.25fr; gap: 55px; }
  .book-detail-copy .prose { columns: 1; }
  .book-detail-copy h1 { font-size: clamp(3.2rem, 7vw, 5rem); }
  .excerpt-hero-grid { grid-template-columns: 220px 1fr; gap: 65px; }
  .excerpt-heading h1 { font-size: clamp(3.2rem, 7vw, 5rem); }
  .excerpt-reading { grid-template-columns: 125px minmax(0, 1fr); gap: 55px; }
  .author-grid { grid-template-columns: .9fr 1.1fr; gap: 65px; }
  .series-nav { margin-top: 80px; }
  .series-nav a { padding-inline: 12px; font-size: .72rem; }
  .series-nav a span { display: block; margin: 0 0 7px; }
  .not-found-orbit { right: -28vw; width: 85vw; opacity: .65; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 32px); }
  .wordmark span { font-size: 1.35rem; }
  .home-hero { min-height: 690px; }
  .hero-content { padding-block: 90px 85px; }
  .hero-content h1 { font-size: clamp(3.5rem, 17vw, 5.5rem); }
  .hero-copy { grid-template-columns: 1fr; gap: 18px; }
  .orbital-field { top: 24%; right: -63vw; width: 140vw; opacity: .4; }
  .book-gallery { padding-block: 85px 95px; }
  .section-heading { margin-bottom: 48px; }
  .section-heading h2 { font-size: 2.65rem; }
  .book-grid { grid-template-columns: 1fr; gap: 58px; }
  .book-card { max-width: 430px; margin-inline: auto; }
  .authors-band { padding-block: 75px; }
  .authors-inner { grid-template-columns: 1fr; }
  .authors-intro { grid-column: auto; }
  .author-tile { min-height: 410px; }
  .book-detail { padding-top: 65px; }
  .book-detail-backdrop { height: 580px; }
  .book-detail-grid { grid-template-columns: 1fr; gap: 65px; }
  .book-cover-wrap { max-width: 370px; margin-inline: auto; }
  .book-sequence { left: -28px; }
  .book-detail-copy h1 { font-size: 3.8rem; }
  .excerpt-hero-grid { grid-template-columns: 1fr; gap: 60px; padding-block: 55px 75px; }
  .excerpt-cover-wrap { width: 190px; }
  .excerpt-number { right: -48px; bottom: -30px; font-size: 8rem; }
  .back-link { margin-bottom: 40px; }
  .excerpt-heading h1 { font-size: clamp(3.35rem, 15vw, 5rem); }
  .excerpt-reading { grid-template-columns: 1fr; padding-block: 80px 15px; }
  .excerpt-aside { position: static; display: flex; padding-bottom: 27px; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); }
  .excerpt-aside > span { margin: 0; font-size: 3.5rem; }
  .excerpt-aside p { margin: 0 auto 0 0; }
  .excerpt-body > h2 { margin-bottom: 48px; }
  .excerpt-prose { font-size: 1rem; line-height: 1.88; }
  .excerpt-continue { margin-top: 75px; padding: 35px 28px; }
  .series-nav { grid-template-columns: repeat(2, 1fr); margin-top: 65px; }
  .series-nav a:nth-child(2) { border-right: 0; }
  .series-nav a:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .author-detail { padding-block: 70px 95px; }
  .author-grid { grid-template-columns: 1fr; gap: 85px; }
  .author-portrait-wrap { max-width: 430px; }
  .author-copy h1 { font-size: clamp(3.6rem, 16vw, 5.4rem); }
  .not-found { min-height: 620px; }
  .not-found-content { padding-block: 85px; }
  .not-found-code { margin-bottom: -8px; }
  .not-found h1 { font-size: clamp(3.2rem, 15vw, 4.8rem); }
  .not-found-orbit { top: 30%; right: -63vw; width: 140vw; opacity: .4; }
  .footer-inner { grid-template-columns: 1fr; gap: 55px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}