:root {
  --ink: #17201c;
  --muted: #5d665f;
  --paper: #f7f1e5;
  --paper-deep: #eee2cc;
  --forest: #19352c;
  --forest-soft: #295446;
  --lacquer: #9c2d25;
  --lacquer-dark: #6f1e19;
  --celadon: #a6b8a8;
  --gold: #b58b45;
  --line: rgba(23, 32, 28, 0.16);
  --white: #fffdf7;
  --shadow: 0 24px 70px rgba(29, 35, 31, 0.16);
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 5%, rgba(181, 139, 69, .11), transparent 28rem),
    var(--paper);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 12px 18px;
  border-radius: 6px;
  color: white;
  background: var(--lacquer);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.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; }

.preview-bar {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 18px;
  color: #fff;
  background: var(--lacquer-dark);
  font-size: .82rem;
  font-weight: 700;
  text-align: center;
}
.preview-bar span {
  padding: 2px 8px;
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 999px;
  font-size: .67rem;
  letter-spacing: .1em;
}
.preview-message { min-width: 0; font: inherit; overflow-wrap: anywhere; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid transparent;
  background: rgba(247, 241, 229, .9);
  backdrop-filter: blur(16px);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 8px 30px rgba(31, 40, 35, .07); }
.header-inner {
  width: min(1180px, calc(100% - 36px));
  min-height: 84px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; }
.brand-logo { width: 48px; height: 48px; flex: 0 0 48px; border: 1px solid rgba(156,45,37,.24); border-radius: 50%; object-fit: cover; }
.brand-mark {
  width: 45px;
  height: 45px;
  display: grid;
  place-items: center;
  color: white;
  background: var(--lacquer);
  font-family: var(--serif);
  font-size: 1.35rem;
  border-radius: 4px;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.22);
}
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-family: var(--serif); font-size: 1.18rem; }
.brand-copy small { margin-top: 6px; color: var(--muted); font-size: .67rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { font-size: .88rem; font-weight: 800; text-decoration: none; }
.site-nav a:not(.nav-cta):hover { color: var(--lacquer); }
.nav-cta { min-height: 46px; display: inline-flex; align-items: center; padding: 0 20px; border-radius: 5px; color: white; background: var(--forest); }
.menu-toggle { display: none; width: 48px; height: 48px; padding: 12px; border: 0; border-radius: 5px; background: var(--forest); }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: white; }

.section-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(380px, .96fr);
  align-items: center;
  gap: clamp(38px, 7vw, 92px);
  padding-top: 72px;
  padding-bottom: 92px;
}
.eyebrow { margin: 0 0 14px; color: var(--lacquer); font-size: .76rem; font-weight: 900; letter-spacing: .17em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 700; letter-spacing: -.035em; line-height: .99; text-wrap: balance; }
h1 { max-width: 750px; font-size: clamp(3.3rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2.5rem, 5vw, 4.6rem); }
h3 { font-size: clamp(1.55rem, 2.6vw, 2.2rem); }
.hero-lede { max-width: 690px; margin: 26px 0 0; color: #3f4a44; font-size: clamp(1.08rem, 1.7vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 25px;
  border: 0;
  border-radius: 6px;
  font-weight: 900;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.button:focus-visible, a:focus-visible, summary:focus-visible, button:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.button-primary { color: white; background: var(--lacquer); box-shadow: 0 12px 30px rgba(111, 30, 25, .22); }
.button-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(111, 30, 25, .28); }
.button-quiet { border: 1px solid var(--line); background: rgba(255,255,255,.5); }
.trust-list { display: flex; flex-wrap: wrap; gap: 8px 24px; margin: 30px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: .82rem; font-weight: 700; }
.trust-list li::before { content: "✓"; margin-right: 8px; color: var(--lacquer); }

.hero-art { position: relative; min-height: 560px; display: grid; place-items: center; }
.hero-art::before {
  content: "";
  position: absolute;
  inset: 6% 0 2% 6%;
  border: 1px solid rgba(23, 53, 44, .17);
  border-radius: 48% 48% 16px 16px;
  background:
    linear-gradient(90deg, transparent 49.5%, rgba(23,53,44,.08) 50%, transparent 50.5%),
    linear-gradient(transparent 49.5%, rgba(23,53,44,.08) 50%, transparent 50.5%),
    rgba(166,184,168,.2);
  background-size: 58px 58px;
}
.sun-disc { position: absolute; top: 13%; right: 5%; width: 210px; height: 210px; border-radius: 50%; background: rgba(156,45,37,.15); }
.book-stage { position: relative; width: 410px; height: 485px; filter: drop-shadow(0 30px 30px rgba(25, 34, 30, .22)); }
.book-stage-single { width: 330px; }
.book-photo { position:absolute; bottom:24px; left:10px; width:310px; height:auto; transform:rotate(2deg); border-radius:3px; box-shadow:inset 8px 0 12px #0003, 0 16px 35px #0003; }
.offer-cover { width:220px; height:auto; margin:20px auto 34px; box-shadow:0 15px 28px #0002; }
.book-stage-single .book-front { right: 28px; transform: rotate(2deg); }
.book {
  position: absolute;
  width: 275px;
  height: 410px;
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  color: var(--paper);
  border-radius: 4px 12px 12px 4px;
  box-shadow: inset 10px 0 18px rgba(0,0,0,.18), inset 0 0 0 1px rgba(255,255,255,.12);
}
.book::after { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(181,139,69,.64); border-radius: 2px 8px 8px 2px; pointer-events: none; }
.book-front { z-index: 2; right: 8px; bottom: 0; background: linear-gradient(145deg, #203d34, #11241e); transform: rotate(3deg); }
.book-back { left: 0; top: 0; background: linear-gradient(145deg, #aa352b, #711d18); transform: rotate(-7deg); }
.book-kicker { font-size: .62rem; font-weight: 900; letter-spacing: .15em; }
.book strong { margin-top: 63px; font-family: var(--serif); font-size: 2.6rem; line-height: .9; }
.book-rule { width: 54px; height: 2px; margin-top: 28px; background: var(--gold); }
.book small { margin-top: auto; max-width: 160px; font-size: .7rem; line-height: 1.35; opacity: .82; }
.book-glyph { position: absolute; right: 32px; bottom: 35px; color: rgba(181,139,69,.5); font-family: var(--serif); font-size: 4.5rem; }
.seal { position: absolute; z-index: 5; right: 1%; bottom: 13%; width: 74px; height: 74px; display: grid; place-items: center; color: white; background: var(--lacquer); border: 4px double rgba(255,255,255,.76); font-family: var(--serif); font-size: 1.2rem; transform: rotate(7deg); box-shadow: 0 14px 30px rgba(0,0,0,.15); }

.proof-band { display: grid; grid-template-columns: repeat(4, 1fr); color: white; background: var(--forest); }
.proof-band div { min-height: 135px; display: grid; place-content: center; padding: 24px; border-right: 1px solid rgba(255,255,255,.13); text-align: center; }
.proof-band strong { font-family: var(--serif); font-size: 1.65rem; }
.proof-band span { margin-top: 4px; color: rgba(255,255,255,.72); font-size: .76rem; font-weight: 700; }

.method-section { padding-top: 120px; padding-bottom: 120px; }
.section-heading { max-width: 770px; }
.section-heading > p:last-child { margin: 24px 0 0; color: var(--muted); font-size: 1.05rem; }
.section-heading.centered { margin: 0 auto; text-align: center; }
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 62px; }
.pillar { min-height: 290px; padding: 32px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,253,247,.68); }
.pillar-number { display: inline-flex; min-width: 42px; justify-content: center; padding: 5px 9px; color: white; background: var(--lacquer); border-radius: 3px; font-size: .75rem; font-weight: 900; }
.pillar h3 { margin-top: 48px; }
.pillar p { margin: 18px 0 0; color: var(--muted); }
.content-note { margin: 30px 0 0; padding: 20px 24px; border-left: 5px solid var(--gold); background: rgba(181,139,69,.1); color: #4d4b40; }
.learning-panel { margin-top:70px; padding-top:44px; border-top:1px solid var(--line); }
.learning-panel > div { max-width:650px; }
.learning-panel > div > p:last-child { color:var(--muted); }
.chapter-list { list-style:none; counter-reset:chapters; padding:0; margin:36px 0 0; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 36px; }
.chapter-list li { position:relative; padding:18px 0 18px 44px; border-top:1px solid var(--line); counter-increment:chapters; }
.chapter-list li::before { content:counter(chapters,decimal-leading-zero); position:absolute; left:0; top:19px; color:var(--lacquer); font-weight:800; font-size:16px; }
.chapter-list strong { display:block; font-size:18px; }
.chapter-list span { display:block; color:var(--muted); font-size:16px; line-height:1.55; margin-top:5px; }
section[id] { scroll-margin-top:108px; }

.inside-section { padding: 118px 0 110px; color: white; background: var(--forest); }
.inside-section .section-heading > p:last-child { color: rgba(255,255,255,.72); }
.inside-section .eyebrow { color: #e5c788; }
.sample-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 58px; }
.sample-page { margin: 0; }
.sample-page > a { display: block; overflow: hidden; border-radius: 8px; background: var(--paper); box-shadow: 0 24px 50px rgba(0,0,0,.28); transition: transform 180ms ease, box-shadow 180ms ease; }
.sample-page > a:hover { transform: translateY(-5px); box-shadow: 0 30px 60px rgba(0,0,0,.34); }
.sample-page img { width: 100%; height:auto; aspect-ratio: 8.5 / 11; object-fit: contain; }
.sample-page figcaption { display: grid; gap: 4px; padding: 18px 4px 0; }
.sample-page figcaption strong { color: white; font-family: var(--serif); font-size: 1.12rem; }
.sample-page figcaption span { color: rgba(255,255,255,.72); font-size: .9rem; }
.sample-placeholder-sheet {
  aspect-ratio: 8.5 / 11;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 52px);
  color: var(--ink);
  border: 1px solid rgba(181,139,69,.4);
  border-radius: 8px;
  background:
    linear-gradient(90deg, transparent 0 9%, rgba(156,45,37,.12) 9% 9.5%, transparent 9.5%),
    radial-gradient(circle at 82% 12%, rgba(181,139,69,.15), transparent 35%),
    var(--paper);
  box-shadow: 0 24px 50px rgba(0,0,0,.28);
}
.sample-placeholder-sheet > span { color: var(--lacquer); font-size: .76rem; font-weight: 900; letter-spacing: .14em; }
.sample-placeholder-sheet > strong { max-width: 8ch; margin-top: 30px; font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.2rem); line-height: .98; }
.sample-placeholder-sheet > p { margin: 24px 0 0; color: var(--muted); font-size: 1rem; line-height: 1.58; }
.sample-caption { display: grid; gap: 5px; padding: 18px 4px 0; }
.sample-caption strong { color: white; font-family: var(--serif); font-size: 1.16rem; }
.sample-caption span { color: rgba(255,255,255,.72); font-size: .9rem; }
.inside-actions { display: grid; justify-items: center; gap: 12px; margin-top: 46px; text-align: center; }
.inside-actions p { max-width: 660px; margin: 0; color: rgba(255,255,255,.72); font-size: .9rem; }

.library-section { padding: 118px 0 110px; background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); align-items: stretch; gap: 18px; margin-top: 60px; }
.offer-grid-single { grid-template-columns: minmax(0, 680px); justify-content: center; }
.offer-card { position: relative; display: flex; flex-direction: column; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: #faf6ed; }
.offer-card.offer-featured { border: 2px solid var(--lacquer); box-shadow: var(--shadow); transform: translateY(-14px); }
.offer-label { min-height: 32px; display: grid; place-items: center; margin: -18px -18px 18px; padding: 8px 12px; color: white; background: var(--forest); border-radius: 11px 11px 0 0; font-size: .65rem; font-weight: 900; letter-spacing: .1em; text-align: center; }
.offer-featured .offer-label { margin: -18px -18px 18px; background: var(--lacquer); }
.mini-cover { width: 205px; height: 284px; margin: 14px auto 30px; padding: 26px 22px; display: flex; flex-direction: column; color: var(--paper); border-radius: 3px 9px 9px 3px; box-shadow: inset 8px 0 16px rgba(0,0,0,.18), 0 18px 28px rgba(0,0,0,.18); }
.cover-red { background: linear-gradient(145deg, #a53229, #6d1d19); }
.cover-green { background: linear-gradient(145deg, #2d5547, #142c24); }
.mini-cover span { font-size: .57rem; font-weight: 900; letter-spacing: .12em; }
.mini-cover strong { margin-top: 46px; font-family: var(--serif); font-size: 1.78rem; line-height: .95; }
.mini-cover em { margin-top: auto; color: rgba(216,180,112,.7); font-family: var(--serif); font-size: 2.5rem; font-style: normal; text-align: right; }
.bundle-covers { height: 328px; display: flex; justify-content: center; align-items: center; gap: 0; }
.mini-cover.compact { width: 175px; height: 248px; margin: 0 -22px; transform: rotate(-6deg); }
.mini-cover.compact + .mini-cover.compact { z-index: 2; transform: rotate(7deg); }
.offer-content { display: flex; flex: 1; flex-direction: column; padding: 0 10px 10px; }
.offer-content h3 { text-align: center; }
.offer-subtitle { min-height: 58px; margin: 13px 0 0; color: var(--muted); text-align: center; }
.offer-content ul { margin: 22px 0 0; padding: 0; list-style: none; }
.offer-content li { position: relative; padding: 7px 0 7px 26px; border-bottom: 1px solid rgba(23,32,28,.09); font-size: .9rem; }
.offer-content li::before { content: "✓"; position: absolute; left: 0; color: var(--lacquer); font-weight: 900; }
.price { margin: auto 0 18px; padding-top: 26px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.price span { color: var(--muted); font-size: .66rem; font-weight: 900; letter-spacing: .12em; }
.price strong { font-family: var(--serif); font-size: 1.45rem; }
.button-disabled { width: 100%; color: #737971; background: #e3dfd4; border: 1px solid #cfcbc1; cursor: not-allowed; }
.delivery-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 52px; overflow: hidden; border: 1px solid var(--line); border-radius: 9px; background: var(--line); }
.delivery-strip div { min-height: 130px; padding: 22px; display: grid; place-items: center; align-content: center; background: var(--paper); text-align: center; }
.delivery-strip span { color: var(--lacquer); font-size: 1.5rem; font-weight: 900; }
.delivery-strip strong { margin-top: 5px; font-family: var(--serif); font-size: 1.05rem; }
.delivery-strip small { color: var(--muted); font-size: .72rem; }

.author-section { padding-top: 120px; padding-bottom: 120px; }
.author-card { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: clamp(32px, 7vw, 88px); align-items: center; padding: clamp(34px, 7vw, 78px); color: white; background: var(--forest); border-radius: 12px; box-shadow: var(--shadow); }
.author-avatar { width: 230px; height: 330px; object-fit: cover; object-position: center top; border: 1px solid rgba(255,255,255,.18); border-radius: 115px 115px 12px 12px; background: #e8e9e7; }
.author-symbol { width: 170px; height: 170px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: var(--gold); font-family: var(--serif); font-size: 5.5rem; background: rgba(255,255,255,.05); }
.author-card .eyebrow { color: #dfc389; }
.author-card p:not(.eyebrow):not(.signature) { color: rgba(255,255,255,.76); }
.signature { margin: 25px 0 0; font-family: var(--serif); font-style: italic; }

.questions-section { padding: 118px 0; background: var(--paper-deep); }
.question-layout { display: grid; grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr); gap: clamp(42px, 8vw, 105px); align-items: start; }
.accordion { border-top: 1px solid rgba(23,32,28,.24); }
.accordion details { border-bottom: 1px solid rgba(23,32,28,.24); }
.accordion summary { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 4px; cursor: pointer; font-family: var(--serif); font-size: 1.24rem; font-weight: 700; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; flex: 0 0 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-family: var(--sans); }
.accordion details[open] summary::after { content: "−"; }
.accordion details p { margin: -4px 0 22px; padding-right: 48px; color: var(--muted); }

.closing-section { padding: 110px 0; color: white; background: var(--lacquer-dark); }
.closing-inner { text-align: center; }
.closing-inner .eyebrow { color: #e5c788; }
.closing-inner p:not(.eyebrow) { max-width: 680px; margin: 22px auto 0; color: rgba(255,255,255,.78); }
.button-light { margin-top: 30px; color: var(--forest); background: var(--white); }

.site-footer { padding: 48px 0; color: rgba(255,255,255,.76); background: #101a16; }
.footer-inner { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: auto 1fr; gap: 24px 48px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand > span, .footer-brand > img { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; object-fit: cover; color: #e5c788; font-family: var(--serif); }
.footer-brand div { display: grid; }
.footer-brand strong { color: white; font-family: var(--serif); }
.footer-brand small { font-size: .7rem; }
.site-footer nav { justify-self: end; display: flex; flex-wrap: wrap; gap: 22px; }
.site-footer nav a { font-size: .78rem; font-weight: 800; text-decoration: none; }
.site-footer p { grid-column: 1 / -1; margin: 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: .7rem; }

[data-reveal] { opacity: 1; transform: none; }

.legal-main { min-height: 70vh; padding: 90px 0 120px; }
.legal-card { width: min(820px, calc(100% - 40px)); margin: 0 auto; padding: clamp(28px, 6vw, 62px); border: 1px solid var(--line); border-radius: 10px; background: var(--white); box-shadow: var(--shadow); }
.legal-card h1 { font-size: clamp(2.5rem, 6vw, 4.4rem); }
.legal-card h2 { margin-top: 42px; font-size: 1.65rem; }
.legal-card p, .legal-card li { color: var(--muted); }
.status-box { margin: 26px 0; padding: 18px 20px; border-left: 5px solid var(--lacquer); background: rgba(156,45,37,.08); }
.back-link { display: inline-flex; margin-top: 32px; font-weight: 900; }

/* Instructional labels remain readable without depending on zoom. */
.preview-bar, .preview-bar span, .book-kicker, .offer-label, .price span, .brand-copy small { font-size:14px; }
.site-nav a, .trust-list, .proof-band span, .sample-page figcaption span,
.inside-actions p, .delivery-strip small, .footer-brand small,
.site-footer nav a, .site-footer p { font-size:16px; }
.eyebrow { font-size:14px; }
.button-disabled { color:#4c544d; }
.signature { font-size:16px; line-height:1.6; }

@media (max-width: 960px) {
  .site-nav { position: absolute; top: 100%; left: 18px; right: 18px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); box-shadow: var(--shadow); }
  .site-nav.is-open { display: flex; }
  .site-nav a { min-height: 52px; display: flex; align-items: center; padding: 0 14px; }
  .nav-cta { margin-top: 4px; justify-content: center; }
  .menu-toggle { display: block; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 58px; }
  .hero-copy-block { max-width: 760px; }
  .hero-art { min-height: 520px; }
  .offer-grid { grid-template-columns: 1fr; max-width: 720px; margin-left: auto; margin-right: auto; gap: 28px; }
  .sample-grid { grid-template-columns: 1fr; max-width: 620px; margin-left: auto; margin-right: auto; }
  .offer-card.offer-featured { transform: none; }
  .delivery-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .preview-bar { min-height: 64px; padding: 8px 16px; flex-wrap: wrap; gap: 5px 10px; text-align: center; line-height: 1.25; }
  body { font-size: 17px; }
  .preview-bar { flex-direction: column; gap: 3px; }
  .preview-message { width: 100%; font-size: 14px; }
  .header-inner { min-height: 72px; }
  .brand-copy strong { font-size: 1rem; }
  .brand-copy small { display: none; }
  .section-shell { width: min(100% - 30px, 1180px); }
  .hero { padding-top: 48px; padding-bottom: 70px; }
  h1 { font-size: clamp(2.35rem, 10vw, 3.1rem); line-height: 1.06; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .trust-list { display: grid; gap: 7px; }
  .hero-art { min-height: 450px; overflow: hidden; }
  .book-stage { width: 325px; height: 400px; transform: scale(.9); }
  .book-photo { width:280px; left:22px; bottom:8px; }
  .chapter-list { grid-template-columns:1fr; }
  .book { width: 225px; height: 340px; padding: 28px 24px; }
  .book strong { margin-top: 48px; font-size: 2rem; }
  .proof-band { grid-template-columns: repeat(2, 1fr); }
  .proof-band div { min-height: 112px; padding: 15px; }
  .method-section, .inside-section, .library-section, .author-section, .questions-section { padding-top: 82px; padding-bottom: 82px; }
  .pillar-grid { grid-template-columns: 1fr; margin-top: 42px; }
  .pillar { min-height: auto; }
  .pillar h3 { margin-top: 34px; }
  .offer-card { padding: 16px; }
  .offer-label { margin: -16px -16px 16px; }
  .offer-featured .offer-label { margin: -16px -16px 16px; }
  .bundle-covers { transform: scale(.88); margin-left: -14px; margin-right: -14px; }
  .delivery-strip { grid-template-columns: 1fr; }
  .delivery-strip div { min-height: 110px; }
  .author-card { grid-template-columns: 1fr; }
  .author-avatar { width: min(230px, 72vw); height: 320px; }
  .author-symbol { width: 120px; height: 120px; font-size: 4rem; }
  .question-layout { grid-template-columns: 1fr; }
  .closing-section { padding: 82px 0; }
  .footer-inner { grid-template-columns: 1fr; }
  .site-footer nav { justify-self: start; }
}

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