:root {
  --ink: #05090a;
  --night: #071417;
  --petrol: #0b282d;
  --paper: #f2eee5;
  --muted: #a8aaa4;
  --gold: #c9a860;
  --gold-soft: #e0c985;
  --line: rgba(224, 201, 133, .23);
  --sans: "Manrope", system-ui, sans-serif;
  --serif: "Cormorant Garamond", Georgia, serif;
  --wrap: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.wrap { width: var(--wrap); margin-inline: auto; }
.section { padding: clamp(92px, 11vw, 170px) 0; }
.eyebrow { margin: 0 0 20px; color: var(--gold-soft); font-size: .74rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3, p { text-wrap: pretty; }
h2 { margin: 0; font-family: var(--serif); font-size: clamp(3.2rem, 7vw, 7.2rem); font-weight: 600; letter-spacing: -.045em; line-height: .87; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 16px; background: var(--paper); color: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 40; display: flex; align-items: center; justify-content: space-between; height: 78px; padding: 0 max(24px, calc((100vw - 1180px)/2)); border-bottom: 1px solid transparent; transition: .35s ease; }
.site-header.scrolled { height: 66px; background: rgba(5, 9, 10, .86); border-color: rgba(255,255,255,.08); backdrop-filter: blur(18px); }
.brand { display: flex; gap: 12px; align-items: center; font-family: var(--serif); font-size: 1.08rem; font-weight: 700; letter-spacing: .02em; }
.brand-mark { display: grid; width: 31px; height: 31px; place-items: center; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold-soft); font-size: 1rem; }
.nav { display: flex; gap: 30px; align-items: center; font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.nav a { color: #dadbd5; transition: color .2s; }
.nav a:hover, .nav a:focus-visible { color: var(--gold-soft); }
.nav .nav-buy { padding: 9px 19px; border: 1px solid var(--gold); color: var(--gold-soft); }
.menu-toggle { display: none; padding: 8px; border: 0; background: none; }
.menu-toggle span { display: block; width: 26px; height: 1px; margin: 7px 0; background: var(--paper); }

.hero { position: relative; min-height: 100svh; overflow: hidden; background: #020708; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -3; background-image: linear-gradient(90deg, rgba(3,7,8,.98) 0%, rgba(3,7,8,.84) 38%, rgba(3,7,8,.2) 72%, rgba(3,7,8,.48) 100%), linear-gradient(0deg, #030708 0%, transparent 27%), url("assets/hero-cinematico.png"); background-size: cover; background-position: center; filter: saturate(.7); transform: scale(1.02); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: radial-gradient(circle at 75% 42%, rgba(46,119,126,.18), transparent 26%), radial-gradient(circle at 15% 78%, rgba(187,137,54,.11), transparent 24%); }
.noise { position: absolute; inset: 0; z-index: -1; opacity: .17; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.24'/%3E%3C/svg%3E"); }
.hero-content { min-height: 100svh; display: grid; grid-template-columns: 1.08fr .72fr; gap: 64px; align-items: center; padding-block: 120px 100px; }
.hero-copy { position: relative; z-index: 2; max-width: 700px; }
.hero h1 { margin: 0 0 24px; font-family: var(--serif); font-size: clamp(5rem, 10vw, 10.5rem); font-weight: 600; letter-spacing: -.06em; line-height: .7; text-transform: uppercase; text-shadow: 0 12px 60px rgba(0,0,0,.7); }
.hero h1 em { color: var(--gold-soft); font-style: italic; font-weight: 500; text-transform: none; }
.hero-tagline { max-width: 550px; margin: 0; color: #d4d5cf; font-family: var(--serif); font-size: clamp(1.5rem, 2.5vw, 2.2rem); line-height: 1.1; }
.hero-question { max-width: 530px; margin: 15px 0 24px; color: var(--muted); font-size: .92rem; }
.rating-line { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: #bec2bc; font-size: .8rem; }
.rating-line strong { color: var(--paper); }
.stars { color: var(--gold-soft); letter-spacing: .11em; }
.hero-actions { display: flex; gap: 28px; align-items: center; margin-top: 34px; }
.button { display: inline-flex; min-height: 56px; padding: 0 26px; align-items: center; justify-content: center; gap: 18px; border: 1px solid transparent; font-size: .77rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; transition: .25s ease; }
.button-gold { background: var(--gold); color: #091012; box-shadow: 0 18px 50px rgba(174,128,47,.18); }
.button-gold:hover, .button-gold:focus-visible { background: var(--gold-soft); transform: translateY(-2px); box-shadow: 0 22px 55px rgba(174,128,47,.28); }
.text-link { padding-block: 12px; border-bottom: 1px solid rgba(255,255,255,.3); color: #d7d8d2; font-size: .77rem; letter-spacing: .08em; text-transform: uppercase; }

.book-stage { position: relative; display: grid; justify-items: center; perspective: 1600px; transform-style: preserve-3d; }
.book { position: relative; width: min(360px, 29vw); transform: rotateY(-14deg) rotateX(2deg); transform-style: preserve-3d; filter: drop-shadow(0 35px 35px rgba(0,0,0,.65)); transition: transform .45s ease-out; }
.book img { width: 100%; aspect-ratio: 244/342; object-fit: cover; border-radius: 2px 7px 7px 2px; box-shadow: inset -10px 0 20px rgba(0,0,0,.18); }
.book::after { content: ""; position: absolute; inset: 1% -13px 1% auto; width: 14px; transform: rotateY(90deg); transform-origin: left; background: linear-gradient(90deg, #e6e0d5, #9d988e); }
.book-spine { position: absolute; inset: 0 auto 0 -10px; width: 12px; transform: rotateY(-90deg); transform-origin: right; background: #211d19; }
.book-shadow { width: 82%; height: 35px; margin-top: 28px; border-radius: 50%; background: rgba(0,0,0,.8); filter: blur(15px); transform: rotate(-2deg); }
.discipline-strip { position: absolute; inset: auto 0 0; display: flex; min-height: 57px; gap: clamp(14px, 2.4vw, 42px); align-items: center; justify-content: center; padding: 12px 22px; border-top: 1px solid rgba(255,255,255,.1); background: rgba(4,10,11,.72); color: #b7bab4; font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; backdrop-filter: blur(12px); }
.discipline-strip i { width: 3px; height: 3px; border-radius: 50%; background: var(--gold); }

.mystery { background: linear-gradient(180deg, #030708, #071416); }
.mystery-grid { display: grid; grid-template-columns: .6fr 1.7fr .7fr; gap: 6vw; align-items: start; }
.section-index { color: #747c79; font-size: .7rem; letter-spacing: .16em; }
.mystery h2 { max-width: 760px; font-size: clamp(3.5rem, 6.8vw, 6.9rem); }
.clues { margin-top: 65px; border-top: 1px solid var(--line); }
.clues p { display: grid; grid-template-columns: 50px 1fr; gap: 10px; margin: 0; padding: 20px 0; border-bottom: 1px solid var(--line); color: #d5d7d1; }
.clues span { color: var(--gold); font-size: .72rem; }
.mystery-aside { padding-top: 110px; color: #c5c9c5; font-family: var(--serif); font-size: 1.6rem; line-height: 1.25; }
.mystery-aside small { color: #7e8784; font-family: var(--sans); font-size: .76rem; line-height: 1.7; }
.fine-line { display: block; width: 75px; height: 1px; margin: 30px 0; background: var(--gold); }

.trailer { background: #071416; }
.section-heading { display: flex; gap: 40px; align-items: end; justify-content: space-between; margin-bottom: 52px; }
.section-heading > p { max-width: 410px; margin: 0; color: #909995; }
.trailer .section-heading > p { color: var(--gold-soft); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; }
.trailer-frame { position: relative; overflow: hidden; aspect-ratio: 16/9; border: 1px solid rgba(255,255,255,.1); background: #020606; box-shadow: 0 45px 100px rgba(0,0,0,.4); }
.trailer-frame video { display: block; width: 100%; height: 100%; object-fit: cover; background: #020606; }
.trailer-frame:focus-within { border-color: rgba(199,161,81,.72); box-shadow: 0 0 0 3px rgba(199,161,81,.2), 0 45px 100px rgba(0,0,0,.4); }
.trailer-quote { margin: 50px 0 0 auto; color: #c2c7c2; font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 3rem); line-height: 1.05; text-align: right; }
.trailer-quote em { color: var(--gold-soft); }

.synopsis { background: var(--paper); color: #101717; }
.synopsis-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 9vw; }
.synopsis .eyebrow { color: #8a6c2e; }
.synopsis h2 { max-width: 580px; }
.synopsis-body { padding-top: 30px; color: #35403e; }
.synopsis-body p { max-width: 610px; }
.synopsis-body .lead { color: #15201f; font-family: var(--serif); font-size: clamp(1.65rem, 2.7vw, 2.45rem); line-height: 1.22; }
.pullquote { margin-top: 55px; padding: 28px 0 0 26px; border-top: 1px solid #c9c3b6; border-left: 3px solid var(--gold); font-family: var(--serif); font-size: 1.5rem; line-height: 1.25; }
.pullquote strong { display: block; color: #876a2d; }

.excerpts { position: relative; overflow: hidden; background: #050a0b; }
.excerpts::before { content: "“"; position: absolute; inset: -7rem auto auto 4vw; color: rgba(201,168,96,.045); font-family: var(--serif); font-size: min(44vw, 42rem); line-height: 1; pointer-events: none; }
.excerpts-heading { position: relative; display: grid; grid-template-columns: 1.35fr .65fr; gap: 8vw; align-items: end; margin-bottom: 75px; }
.excerpts-heading h2 { max-width: 850px; font-size: clamp(3.4rem, 7vw, 7.4rem); }
.excerpts-heading h2 em { color: var(--gold-soft); font-weight: 500; }
.excerpts-heading > p { max-width: 390px; margin: 0 0 8px; color: #89928f; }
.excerpt-list { position: relative; display: grid; grid-template-columns: repeat(12, 1fr); border-top: 1px solid var(--line); }
.excerpt-card { position: relative; grid-column: span 6; min-height: 430px; margin: 0; padding: clamp(30px, 4vw, 58px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(145deg, rgba(255,255,255,.025), transparent 55%); }
.excerpt-card:nth-child(even) { border-right: 0; }
.excerpt-card::after { content: ""; position: absolute; inset: auto 0 0; height: 2px; background: linear-gradient(90deg, transparent, var(--gold), transparent); transform: scaleX(0); transition: transform .55s ease; }
.excerpt-card:hover::after { transform: scaleX(1); }
.excerpt-card figcaption { display: flex; gap: 20px; align-items: center; color: #7f8986; font-size: .69rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
.excerpt-card figcaption span { color: var(--gold-soft); }
.excerpt-card blockquote { max-width: 690px; margin: 62px 0 50px; color: #d9dbd5; font-family: var(--serif); font-size: clamp(1.75rem, 3vw, 3.15rem); line-height: 1.08; }
.excerpt-card > p { position: absolute; inset: auto auto 35px clamp(30px, 4vw, 58px); margin: 0; color: #68716e; font-size: .67rem; letter-spacing: .18em; text-transform: uppercase; }
.excerpt-card-wide { grid-column: span 7; }
.excerpt-card-human { grid-column: span 5; background: linear-gradient(145deg, rgba(22,67,73,.24), transparent 60%); border-right: 0; }
.excerpt-card-gold { grid-column: span 5; background: radial-gradient(circle at 15% 100%, rgba(201,168,96,.14), transparent 45%); }
.excerpt-card-dark { grid-column: span 7; border-right: 0; background: radial-gradient(circle at 90% 20%, rgba(18,61,67,.2), transparent 45%); }
.excerpts-close { margin: 68px 0 0; color: #a8afab; font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 3rem); text-align: center; }
.excerpts-close::before, .excerpts-close::after { content: ""; display: inline-block; width: clamp(35px, 7vw, 90px); height: 1px; margin: 0 24px .25em; background: var(--gold); opacity: .55; }

.science { overflow: hidden; background: #0b2024; }
.science .section-heading { align-items: end; }
.science-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.science-card { position: relative; min-height: 350px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: .35s ease; }
.science-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(201,168,96,.14), transparent 35%); opacity: 0; transition: .35s; }
.science-card:hover { background: #102d32; transform: translateY(-6px); }
.science-card:hover::before { opacity: 1; }
.card-number { color: #697b78; font-size: .68rem; letter-spacing: .16em; }
.card-icon { display: block; margin: 38px 0 60px; color: var(--gold-soft); font-family: var(--serif); font-size: 3.5rem; line-height: 1; }
.science-card h3 { margin: 0 0 14px; font-family: var(--serif); font-size: 2.1rem; font-weight: 600; }
.science-card p { margin: 0; color: #9cacaa; font-size: .85rem; line-height: 1.7; }
.science-manifesto { max-width: 900px; margin: 90px auto 0; font-family: var(--serif); font-size: clamp(2.2rem, 4.5vw, 4.8rem); line-height: 1; text-align: center; }
.science-manifesto span { color: var(--gold-soft); }

.declaration { position: relative; display: grid; min-height: 100svh; place-items: center; overflow: hidden; padding: 120px 0; background: radial-gradient(circle at 50% 45%, #11343a 0%, #071417 32%, #030708 75%); text-align: center; }
.declaration::before { content: ""; position: absolute; width: 70vw; height: 70vw; border: 1px solid rgba(201,168,96,.12); border-radius: 50%; box-shadow: 0 0 0 11vw rgba(201,168,96,.025), 0 0 0 22vw rgba(201,168,96,.018); }
.declaration-inner { position: relative; }
.declaration p { margin: 4px 0; color: #9ca7a3; font-family: var(--serif); font-size: clamp(1.7rem, 3.5vw, 3.6rem); line-height: 1.15; }
.declaration p strong { color: var(--paper); font-weight: 600; }
.declaration h2 { max-width: 920px; margin: 50px auto 46px; font-size: clamp(3rem, 7vw, 7rem); }
.declaration h2 em { color: var(--gold-soft); }

.reviews { background: #0c1112; }
.reviews-top { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: end; margin-bottom: 65px; }
.reviews h2 { font-size: clamp(3.5rem, 6vw, 6.3rem); }
.score { display: grid; grid-template-columns: auto 1fr; min-width: 230px; align-items: baseline; }
.score strong { font-family: var(--serif); font-size: 5.8rem; font-weight: 600; line-height: .8; }
.score > span { color: #8e9794; }
.score .stars, .score small { grid-column: 1 / -1; }
.score small { margin-top: 4px; color: #808a87; }
.review-viewport { overflow: hidden; }
.review-track { display: flex; gap: 22px; transition: transform .55s cubic-bezier(.2,.8,.2,1); }
.review-card { flex: 0 0 calc((100% - 44px)/3); min-height: 390px; padding: 35px; border: 1px solid rgba(255,255,255,.1); background: linear-gradient(145deg, rgba(255,255,255,.035), rgba(255,255,255,.008)); }
.review-meta { display: flex; gap: 14px; justify-content: space-between; color: var(--gold-soft); font-size: .75rem; }
.review-meta small { color: #7f8986; }
.review-card h3 { margin: 50px 0 24px; font-family: var(--serif); font-size: 1.85rem; font-weight: 600; line-height: 1.1; }
.review-card blockquote { margin: 0; color: #b4bbb7; font-family: var(--serif); font-size: 1.2rem; line-height: 1.45; }
.review-card > p { margin: 30px 0 0; color: #69716f; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.review-controls { display: grid; grid-template-columns: auto minmax(130px, 360px) auto; gap: 18px; align-items: center; justify-content: end; margin-top: 28px; }
.review-controls button { width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.15); background: transparent; color: var(--paper); cursor: pointer; }
.review-progress { height: 1px; background: rgba(255,255,255,.15); }
.review-progress span { display: block; width: 33.33%; height: 1px; background: var(--gold); transition: transform .45s ease; }
.review-source { margin: 20px 0 0; color: #626a68; font-size: .72rem; }

.author { background: #e9e4d9; color: #13201f; }
.author-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 9vw; align-items: center; }
.author-photo { position: relative; }
.author-photo::before { content: ""; position: absolute; inset: -18px 18px 18px -18px; border: 1px solid #a48749; }
.author-photo img { position: relative; width: 100%; min-height: 620px; object-fit: cover; filter: grayscale(1) contrast(1.04); }
.photo-caption { position: absolute; inset: auto -16px 26px auto; padding: 10px 17px; background: #0b2024; color: var(--paper); font-family: var(--serif); font-size: 1.1rem; }
.author .eyebrow { color: #856c37; }
.author-copy h2 { margin-bottom: 32px; font-size: clamp(4rem, 8vw, 8rem); }
.credentials { color: #846b36; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.author-copy > p:not(.eyebrow,.credentials) { max-width: 660px; color: #42504d; }
.author-copy blockquote { max-width: 660px; margin: 52px 0 0; padding-top: 30px; border-top: 1px solid #c2b89f; font-family: var(--serif); font-size: clamp(2rem, 4vw, 4rem); line-height: 1; }
.quote-source { display: block; margin-top: 16px; color: #7c6a44; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }

.buy { background: #071417; }
.buy-card { position: relative; display: grid; grid-template-columns: .72fr 1.28fr; min-height: 660px; overflow: hidden; border: 1px solid var(--line); background: radial-gradient(circle at 28% 45%, #16343a, #0a191c 44%, #070d0f 78%); }
.buy-book { display: grid; place-items: center; padding: 65px; }
.buy-book img { width: min(290px, 100%); transform: rotate(-3deg); box-shadow: 22px 30px 65px rgba(0,0,0,.55); }
.buy-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 70px 8vw 70px 30px; }
.buy-copy h2 { margin-bottom: 30px; }
.buy-copy h2 em { color: var(--gold-soft); font-weight: 500; }
.buy-rating { margin-bottom: 20px; color: #b5bcb8; font-size: .85rem; }
.buy-copy > p:not(.eyebrow) { max-width: 560px; color: #aab4b0; }
.buy-copy .button { margin-top: 20px; }
.retail-links { display: flex; flex-wrap: wrap; gap: 18px 26px; margin-top: 30px; color: #8f9996; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.retail-links a { border-bottom: 1px solid rgba(255,255,255,.2); }

.final-cta { padding: clamp(110px, 16vw, 230px) 0; background: linear-gradient(rgba(3,8,9,.82), rgba(3,8,9,.92)), url("assets/hero-cinematico.png") center/cover; text-align: center; }
.final-inner > p:not(.eyebrow) { margin: 0; color: #bec4c0; font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 3rem); }
.final-inner h2 { margin: 10px 0 48px; color: var(--gold-soft); font-size: clamp(4rem, 9vw, 9rem); }
.button-outline { border-color: var(--gold); color: var(--gold-soft); }
.button-outline:hover, .button-outline:focus-visible { background: var(--gold); color: var(--ink); }

footer { padding: 45px 0 100px; border-top: 1px solid rgba(255,255,255,.08); background: #030708; color: #727b78; font-size: .72rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.footer-inner div { display: grid; }
.footer-inner strong { color: #d4d7d2; font-family: var(--serif); font-size: 1.2rem; }
.mobile-buy { display: none; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }

@media (max-width: 980px) {
  :root { --wrap: min(100% - 36px, 760px); }
  .site-header.scrolled { backdrop-filter: none; }
  .menu-toggle { display: block; position: relative; z-index: 42; }
  .nav { position: fixed; inset: 0; display: flex; flex-direction: column; justify-content: center; background: rgba(3,8,9,.97); font-family: var(--serif); font-size: 2rem; text-transform: none; transform: translateY(-102%); transition: .45s ease; }
  .nav.open { transform: none; }
  .hero-content { grid-template-columns: 1fr .55fr; gap: 20px; }
  .hero h1 { font-size: clamp(5rem, 13vw, 8rem); }
  .book { width: min(300px, 34vw); }
  .mystery-grid { grid-template-columns: 1fr; }
  .mystery-aside { max-width: 520px; padding-top: 20px; }
  .synopsis-grid { gap: 5vw; }
  .excerpts-heading { grid-template-columns: 1fr; gap: 32px; }
  .excerpt-card, .excerpt-card-wide, .excerpt-card-human, .excerpt-card-gold, .excerpt-card-dark { grid-column: span 6; }
  .science-grid { grid-template-columns: repeat(2, 1fr); }
  .science-card { min-height: 320px; }
  .review-card { flex-basis: calc((100% - 22px)/2); }
  .author-grid { gap: 6vw; }
  .author-photo img { min-height: 520px; }
}

@media (max-width: 700px) {
  :root { --wrap: calc(100vw - 32px); }
  body { padding-bottom: 68px; }
  .site-header { height: 66px; padding-inline: 16px; }
  .brand { font-size: .95rem; }
  .section { padding: 90px 0; }
  .hero { min-height: auto; }
  .hero-bg { background-image: linear-gradient(180deg, rgba(3,7,8,.42) 0%, rgba(3,7,8,.94) 48%, #030708 82%), url("assets/hero-cinematico.png"); background-position: 68% center; }
  .hero-content { grid-template-columns: 1fr; min-height: auto; padding-top: 110px; }
  .hero-copy { order: 2; padding-bottom: 95px; }
  .hero .eyebrow { margin-bottom: 12px; }
  .hero h1 { margin-bottom: 24px; font-size: clamp(4.4rem, 22vw, 7rem); line-height: .73; }
  .book-stage { order: 1; min-height: 400px; align-content: center; }
  .book { width: min(240px, 58vw); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 10px; }
  .discipline-strip { justify-content: flex-start; overflow: hidden; white-space: nowrap; }
  .mystery h2, .synopsis h2 { font-size: clamp(3.2rem, 15vw, 5.2rem); }
  .clues { margin-top: 45px; }
  .section-heading { align-items: start; flex-direction: column; }
  .trailer-frame { aspect-ratio: 16/9; }
  .synopsis-grid { grid-template-columns: 1fr; }
  .synopsis-body { padding-top: 5px; }
  .excerpts-heading { margin-bottom: 48px; }
  .excerpts-heading h2 { font-size: clamp(3.2rem, 15vw, 5.2rem); }
  .excerpt-list { grid-template-columns: 1fr; }
  .excerpt-card, .excerpt-card-wide, .excerpt-card-human, .excerpt-card-gold, .excerpt-card-dark { grid-column: 1; min-height: 390px; border-right: 0; }
  .excerpt-card blockquote { margin-top: 48px; font-size: clamp(1.7rem, 8vw, 2.6rem); }
  .excerpts-close::before, .excerpts-close::after { display: none; }
  .science-grid { grid-template-columns: 1fr; }
  .science-card { min-height: 290px; }
  .card-icon { margin-bottom: 42px; }
  .declaration { min-height: 85svh; }
  .reviews-top { grid-template-columns: 1fr; }
  .score { justify-self: start; }
  .review-card { flex-basis: 100%; min-height: 410px; }
  .review-controls { grid-template-columns: auto 1fr auto; justify-content: stretch; }
  .author-grid { grid-template-columns: 1fr; }
  .author-photo { max-width: 84vw; margin: 0 auto; }
  .author-photo img { min-height: 500px; }
  .author-copy { padding-top: 38px; }
  .buy-card { grid-template-columns: 1fr; }
  .buy-book { padding: 55px 55px 20px; }
  .buy-book img { width: 210px; }
  .buy-copy { padding: 35px 30px 65px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .mobile-buy { position: fixed; inset: auto 0 0; z-index: 50; display: flex; min-height: 68px; align-items: center; justify-content: space-between; padding: 9px 14px; border-top: 1px solid rgba(255,255,255,.14); background: rgba(4,10,11,.94); backdrop-filter: blur(16px); }
  .mobile-buy div { display: grid; font-size: .72rem; }
  .mobile-buy span { color: var(--gold-soft); }
  .mobile-buy a { padding: 10px 17px; background: var(--gold); color: var(--ink); font-size: .72rem; font-weight: 700; text-transform: uppercase; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}