:root {
  color-scheme: light;
  --paper: #f8f5ed;
  --surface: #fffcf5;
  --ink: #1d2d26;
  --muted: #4f5c53;
  --green: #234538;
  --green-deep: #142c25;
  --rust: #a34022;
  --line: #dcd7ca;
  --gold: #e4bb75;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Playfair Display", Georgia, serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); line-height: 1.58; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure, ol { margin: 0; }
h1, h2, h3 { line-height: 1.12; }
h1, h2, .book h3, .bundle h3 { font-family: var(--display); font-weight: 600; }
a { color: inherit; }
button { font: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #ad542d; outline-offset: 4px; }
[id] { scroll-margin-top: 98px; }
.shell { width: min(1192px, 100% - 96px); margin-inline: auto; }
.section { padding-block: 92px; }
.eyebrow { color: var(--rust); font-size: .77rem; font-weight: 700; line-height: 1.45; letter-spacing: .12em; text-transform: uppercase; }
.section-heading { margin-bottom: 35px; }
.section-heading h2, .purpose h2, .faq h2 { margin-top: 10px; font-size: clamp(2.05rem, 4.15vw, 3.55rem); letter-spacing: -.043em; text-wrap: balance; }
.split-heading { display: grid; grid-template-columns: 1.6fr 1fr; gap: 42px; align-items: end; }
.split-heading > p { max-width: 41ch; color: var(--muted); }
.divider { display: inline-block; width: 4px; height: 4px; border-radius: 100%; background: currentColor; flex: none; opacity: .55; }
.visually-hidden, .skip-link:not(:focus) { clip: rect(0 0 0 0); clip-path: inset(50%); position: absolute; overflow: hidden; width: 1px; height: 1px; white-space: nowrap; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 5; padding: 10px 15px; background: white; color: var(--green); }

.site-header { position: sticky; z-index: 3; top: 0; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner, .footer-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 700; line-height: 1.14; letter-spacing: -.025em; flex-shrink: 0; }
.brand-mark { display: inline-flex; align-items: end; justify-content: center; gap: 3px; width: 36px; height: 36px; padding: 9px 7px; border-radius: 6px; background: var(--green); }
.brand-mark i { width: 5px; height: 14px; background: var(--gold); border-radius: 1px; }
.brand-mark i:nth-child(2) { height: 18px; }
.brand-mark i:nth-child(3) { height: 16px; transform: rotate(-16deg); }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 4vw, 54px); }
.site-nav a, .header-cta, .footer-inner > a:last-child { font-size: .92rem; font-weight: 700; text-decoration: none; }
.site-nav a:hover, .footer-inner > a:last-child:hover { color: var(--rust); }
.header-cta { display: inline-flex; align-items: center; gap: 13px; padding: 8px 13px; border: 1px solid var(--line); border-radius: 5px; white-space: nowrap; }
.header-cta:hover { border-color: var(--green); }

.hero { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(30px, 6.1vw, 88px); align-items: center; padding-block: clamp(48px, 6.2vw, 90px); }
.hero-label { display: inline-flex; align-items: center; gap: 11px; }
.hero-label::before { width: 23px; height: 1px; content: ""; background: currentColor; }
.hero h1 { margin: 17px 0 23px; font-size: clamp(3.05rem, 5.3vw, 5.05rem); letter-spacing: -.058em; line-height: 1.05; }
.hero h1 em { display: inline-block; color: var(--rust); font-style: normal; }
.hero-intro { max-width: 43ch; font-size: clamp(1.03rem, 1.55vw, 1.22rem); font-weight: 600; line-height: 1.53; }
.hero-description { max-width: 49ch; margin-top: 12px; color: var(--muted); }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 48px; padding: 11px 16px; border: 1px solid transparent; border-radius: 5px; font-weight: 700; font-size: .94rem; text-align: center; text-decoration: none; line-height: 1.35; cursor: pointer; transition: background .18s, border-color .18s, color .18s; }
.button-primary { background: var(--green); color: #fffdf5; }
.button-primary:hover { background: var(--green-deep); }
.button-outline { border-color: #bdc2b5; background: transparent; color: var(--green); }
.button-outline:hover { background: #eaece1; border-color: var(--green); }
.button-light { color: var(--green-deep); background: #f8e8bf; }
.button-light:hover { background: #fff1cc; }
.hero-price { margin-top: 16px; color: var(--muted); font-size: .86rem; display: flex; flex-wrap: wrap; gap: 9px 12px; align-items: center; }
.hero-price strong { color: var(--ink); }
.hero-visual { position: relative; isolation: isolate; display: grid; gap: 20px; align-items: center; justify-items: center; min-width: 0; padding: clamp(24px, 3vw, 43px) 24px 20px; overflow: hidden; border-radius: 10px; color: #fff1d1; background: radial-gradient(ellipse at 51% 45%, #55705a 0%, #284637 55%, #152e25 100%); }
.hero-visual::before, .hero-visual::after { pointer-events: none; content: ""; position: absolute; z-index: -1; inset: 13px; border: 1px solid #d4ba7d67; border-radius: 5px; }
.hero-visual::after { inset: 23px 35px; border-radius: 50% 50% 4px 4px; border-color: #d4ba7d39; }
.hero-visual img { width: min(73%, 330px); aspect-ratio: 2 / 3; object-fit: contain; border-radius: 4px; box-shadow: 0 15px 38px #091710ba, 4px 5px 0 #101d17; }
.hero-visual figcaption { width: 100%; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 3px 12px; padding: 4px 8px; font-size: .78rem; font-weight: 700; position: relative; background: #1e382c; }

.audience { background: #efebdf; border-block: 1px solid var(--line); }
.audience-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.audience-card { display: flex; flex-direction: column; align-items: start; gap: 14px; padding: 25px; background: var(--surface); border: 1px solid var(--line); border-top: 3px solid #8b9b81; border-radius: 6px; }
.audience-card:nth-child(2) { border-top-color: #bf8c58; }
.audience-card:nth-child(3) { border-top-color: #a06553; }
.audience-card h3 { font-size: 1.25rem; line-height: 1.27; }
.audience-card p { color: var(--muted); }
.audience-card a { margin-top: auto; color: var(--rust); text-underline-offset: 3px; font-size: .91rem; font-weight: 700; }

.roadmap-nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.roadmap-nav a { border: 1px solid var(--line); border-radius: 4px; padding: 8px 11px; font-size: .87rem; font-weight: 700; text-decoration: none; background: var(--surface); }
.roadmap-nav a span { margin-right: 4px; color: var(--rust); font-variant-numeric: tabular-nums; }
.roadmap-nav a:hover { border-color: #8d997f; }
.book-list { display: grid; gap: 14px; }
.book { display: grid; grid-template-columns: minmax(160px, .76fr) minmax(0, 2fr); min-width: 0; gap: 0; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; background: var(--surface); }
.book:target { outline: 2px solid #9f5835; outline-offset: 3px; }
.book-media { display: grid; align-items: center; justify-items: center; padding: 25px 14px; background: radial-gradient(ellipse at 50% 45%, var(--stage-light), var(--stage-dark)); }
.book-media img { width: min(63%, 175px); aspect-ratio: 2 / 3; object-fit: contain; border-radius: 3px; box-shadow: 0 9px 22px #14171285, 3px 2px 0 #151c18; }
.amber { --stage-light: #a89261; --stage-dark: #685435; }
.teal { --stage-light: #6a8a7d; --stage-dark: #334e46; }
.rust { --stage-light: #ad846e; --stage-dark: #6b4c40; }
.blue { --stage-light: #758f97; --stage-dark: #40565b; }
.plum { --stage-light: #90808b; --stage-dark: #4a3a46; }
.book-content { min-width: 0; padding: 27px clamp(20px, 3.5vw, 51px) 30px; }
.book-content .eyebrow { display: flex; gap: 9px; align-items: baseline; }
.book-content .eyebrow span { color: var(--rust); font-variant-numeric: tabular-nums; }
.book h3 { margin: 6px 0 10px; font-size: clamp(1.7rem, 3.25vw, 2.72rem); letter-spacing: -.037em; }
.book-question { font-weight: 700; font-size: 1.07rem; }
.book-description { max-width: 71ch; margin: 8px 0 12px; color: var(--muted); }
.exercise { border-left: 2px solid #b28c58; padding-left: 12px; }
.exercise summary { width: fit-content; cursor: pointer; color: var(--green); font-weight: 700; font-size: .92rem; }
.exercise p { margin-top: 5px; font-size: .96rem; color: var(--muted); }
.book-meta { display: flex; align-items: center; gap: 9px; margin: 16px 0 10px; font-size: .9rem; }
.book-meta strong { font-variant-numeric: tabular-nums; }
.book-content .button { min-height: 41px; padding: 8px 12px; font-size: .88rem; }

.purpose { color: #fcf7e9; background: var(--green-deep); }
.purpose-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: clamp(30px, 8vw, 120px); }
.purpose .eyebrow, .bundle .eyebrow { color: #f0c982; }
.purpose-inner > div:last-child { color: #e0e8df; }
.purpose p + p { margin-top: 14px; }

.price-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 15px; align-items: stretch; }
.individual, .bundle { border-radius: 8px; padding: clamp(20px, 3.72vw, 48px); }
.individual { background: var(--surface); border: 1px solid var(--line); }
.individual h3 { margin-bottom: 7px; font-size: 1.36rem; }
.individual > p { color: var(--muted); }
.individual table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: .93rem; }
.individual td { padding: 11px 0; border-top: 1px solid var(--line); }
.individual td:nth-child(2) { text-align: right; padding-left: 12px; white-space: nowrap; font-weight: 700; font-variant-numeric: tabular-nums; }
.individual td a { text-decoration-color: #a6a99b; text-underline-offset: 3px; }
.individual td a:hover { color: var(--rust); }
.price-n { color: var(--rust); font-weight: 700; margin-right: 7px; font-size: .77rem; }
.price-total { color: var(--muted); }
.bundle { display: flex; flex-direction: column; align-items: start; color: #f8f4e8; background: linear-gradient(143deg, #2b5342, #172f26); border: 1px solid #294738; }
.bundle h3 { margin: 7px 0 15px; font-size: clamp(1.65rem, 3vw, 2.64rem); letter-spacing: -.041em; }
.bundle-price { font-family: var(--display); font-size: clamp(2.6rem, 5vw, 4.05rem); line-height: 1.08; letter-spacing: -.06em; }
.bundle-price span { font-size: .56em; }
.bundle-saving { color: #f4cf8d; margin: 8px 0 12px; font-size: .91rem; font-weight: 700; }
.bundle .button { margin-top: 22px; }

.fulfillment { background: #efebdf; border-block: 1px solid var(--line); }
.notice { padding: 12px 15px; border-left: 3px solid #9f5835; background: #f4e9d4; color: #533923; font-size: .94rem; }
.fulfillment .split-heading > p { color: #533923; }
.how-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding: 0; list-style: none; counter-reset: purchase; }
.how-grid li { counter-increment: purchase; padding: 20px 16px 0 0; border-top: 1px solid #c4bcad; }
.how-grid h3 { font-size: 1.2rem; display: flex; align-items: baseline; gap: 9px; }
.how-grid h3::before { content: counter(purchase, decimal-leading-zero); font-size: .8rem; color: var(--rust); }
.how-grid p { margin-top: 7px; color: var(--muted); }
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(24px, 7vw, 90px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 15px 0; cursor: pointer; font-weight: 700; }
.faq-list p { color: var(--muted); padding-bottom: 17px; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 90px; }

dialog { width: min(490px, 100% - 28px); max-height: calc(100vh - 36px); border: 1px solid var(--line); border-radius: 9px; padding: 0; color: var(--ink); background: var(--surface); box-shadow: 0 24px 120px #17271f50; }
dialog::backdrop { background: #0e211cb8; }
.dialog-inner { position: relative; padding: 27px; }
.dialog-close { position: absolute; top: 9px; right: 12px; border: 0; width: 36px; height: 36px; border-radius: 50%; background: #eee9da; color: var(--ink); font-size: 1.35rem; cursor: pointer; }
.dialog-inner h2 { margin: 9px 28px 15px 0; font-size: 1.84rem; }
.selection-info { display: flex; justify-content: space-between; gap: 12px; border-block: 1px solid var(--line); padding-block: 10px; }
.selection-info strong { white-space: nowrap; }
#selection-books { padding: 12px 0 0 24px; font-size: .93rem; }
.dialog-inner .notice { margin: 17px 0; }
body:has(dialog[open]) { overflow: hidden; }

@media (max-width: 920px) {
  .shell { width: min(100% - 56px, 1192px); }
  .hero { gap: 30px; }
  .hero h1 { font-size: clamp(2.8rem, 6.3vw, 4.3rem); }
  .hero-visual img { width: min(82%, 330px); }
  .section { padding-block: 69px; }
}
@media (max-width: 690px) {
  .shell { width: calc(100% - 34px); }
  .site-header .header-inner { display: grid; grid-template-columns: 1fr auto; gap: 0 12px; padding-top: 8px; }
  .site-nav { grid-row: 2; grid-column: 1 / -1; justify-content: space-between; gap: 5px; padding: 8px 0; }
  .site-nav a { font-size: .77rem; }
  .header-cta { grid-row: 1; grid-column: 2; padding: 5px 11px; }
  .hero { grid-template-columns: 1fr; gap: 27px; padding-block: 32px 35px; }
  .hero h1 { margin: 11px 0 14px; font-size: clamp(2.52rem, 9.5vw, 3.85rem); }
  .hero-visual img { width: min(57%, 270px); }
  .hero-visual figcaption { font-size: .73rem; }
  .section { padding-block: 48px; }
  .section-heading { margin-bottom: 20px; }
  .split-heading, .audience-grid, .purpose-inner, .price-grid, .how-grid, .faq { grid-template-columns: 1fr; gap: 14px; }
  .book { grid-template-columns: 1fr; }
  .book-media { padding: 16px 12px; }
  .book-media img { width: min(36%, 145px); }
  .book-content { padding: 18px 16px 22px; }
  .roadmap-nav { gap: 6px; margin-bottom: 19px; }
  .roadmap-nav a { font-size: .8rem; }
  .how-grid { gap: 16px; }
  .how-grid li { padding-top: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}