:root{color-scheme:dark;--navy:#0b172b;--gold:#e4bd72;--muted:#b6c1d0;--ivory:#f5f1e8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--navy);color:var(--ivory);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.65}a{color:inherit}a:focus-visible{outline:3px solid var(--gold);outline-offset:6px}.wrap{width:min(1180px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;background:var(--ivory);color:var(--navy);padding:12px;z-index:10}.skip:focus{top:12px}.header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:30px;border-bottom:1px solid #ffffff18}.wordmark{text-decoration:none;font-family:Georgia,serif;font-size:23px;position:relative;left:50%;transform:translateX(-50%);text-align:center;color:var(--gold)}.wordmark span{display:block;font:14px Arial,sans-serif;color:var(--gold);margin-top:3px;margin-inline:auto}nav{display:flex;align-items:center;gap:28px;font-size:14px}nav a{text-decoration:none;padding-block:10px}.nav-buy{border-bottom:1px solid var(--gold);color:var(--gold)}.hero{display:grid;grid-template-columns:minmax(0,370px) minmax(0,644px);justify-content:center;gap:80px;align-items:center;padding-block:66px 78px;background:radial-gradient(ellipse at 25% 35%,#18345366,transparent 55%)}.cover{margin:0;max-width:370px;justify-self:center}.cover img{display:block;width:100%;height:auto;box-shadow:0 28px 65px #0007;border:1px solid #e4bd7233}.cover figcaption{text-align:center;font-size:14px;color:var(--muted);margin-top:16px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:14px;font-weight:600;color:var(--gold);margin:0 0 18px}h1,h2,h3{font-family:Georgia,'Times New Roman',serif;font-weight:400;line-height:1.08}h1{font-size:clamp(48px,5.4vw,76px);letter-spacing:-.035em;margin:0 0 22px}h1 em{color:var(--gold);font-weight:400}.subtitle{font-family:Georgia,serif;font-size:clamp(22px,2.4vw,29px);line-height:1.3;margin:0 0 14px}.byline{font-size:15px;color:var(--gold);margin:0 0 23px}.intro{max-width:530px;color:var(--muted);margin:0 0 28px}.purchase h2{font-family:Arial,sans-serif;font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:18px;margin:0 0 14px;color:var(--gold)}.formats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.formats a{display:flex;flex-direction:column;justify-content:center;min-height:116px;text-decoration:none;border:1px solid #e4bd7266;border-radius:4px;padding:15px 12px;transition:background .15s,color .15s}.formats a{background:var(--gold);color:var(--navy);border-color:var(--gold)}.formats a:hover{background:#f1d397;color:var(--navy)}.formats span{font-size:17px;font-weight:700}.formats strong{font-size:14px;font-weight:400}.formats small{font-size:14px;line-height:1.3;opacity:.85;margin-top:8px}.availability{font-size:14px;color:var(--muted);margin:12px 0 0;min-height:24px}.learn{background:var(--ivory);color:var(--navy);padding-block:76px 82px}.section-heading{max-width:670px}.learn .eyebrow{color:#76501A;font-size:15px}h2{font-size:clamp(32px,3.5vw,46px);letter-spacing:-.025em;margin:0 0 20px}.section-heading>p:last-child{color:#536074}.lessons{display:grid;grid-template-columns:repeat(5,1fr);gap:44px;margin-top:46px}.lessons article{border-top:1px solid #b9a583;padding-top:24px}.number{font-size:14px;color:#80602a;letter-spacing:.15em}h3{font-size:27px;line-height:1.22;margin:18px 0 14px}.lessons p{color:#536074;margin:0}.author{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-block:78px}.author p:not(.eyebrow){color:var(--muted);margin:0 0 18px}.author-photo{display:block;width:min(100%,310px);aspect-ratio:1/1;object-fit:cover;object-position:center;border:1px solid #e4bd7266;box-shadow:0 22px 48px #0005;margin-top:28px}.author-copy{align-self:center}.text-link{text-decoration:underline;text-underline-offset:6px;color:var(--gold);display:inline-block;padding-block:8px}footer{border-top:1px solid #ffffff20;display:flex;justify-content:space-between;gap:20px;padding-block:20px;font-size:14px;color:var(--muted)}footer p{margin:0}@media(max-width:1000px){.hero{gap:40px}.formats{grid-template-columns:1fr}.formats a{min-height:74px;display:grid;grid-template-columns:1fr 1fr}.formats small{grid-column:1/-1;margin-top:3px}.formats strong{text-align:right}}@media(max-width:700px){.wrap{width:calc(100% - 40px)}.header{padding-block:20px;align-items:flex-start}.wordmark{font-size:20px}.wordmark span{max-width:160px;line-height:1.4}nav{gap:14px}nav a:first-child,nav a:nth-child(2){display:none}.hero{grid-template-columns:1fr;padding-block:36px 48px;gap:30px}.cover{max-width:220px}.hero-copy{text-align:center}h1{font-size:54px}.intro{margin-inline:auto}.formats a{text-align:left}.availability{text-align:left}.learn{padding-block:48px}.lessons{grid-template-columns:1fr;gap:30px;margin-top:30px}.author{grid-template-columns:1fr;gap:12px;padding-block:48px}.author h2{margin-bottom:12px}footer{flex-direction:column;gap:4px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}


/* Author section portrait update */
.author-content {
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.author-photo {
  display: block;
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(228, 189, 114, 0.55);
}
.author-copy {
  max-width: 720px;
}
@media (max-width: 700px) {
  .author-content {
    grid-template-columns: 1fr;
  }
  .author-photo {
    max-width: 220px;
  }
}


/* Author heading placement only */
.author-heading {
  grid-column: 1 / -1;
  width: 100%;
  text-align: center;
}
.author-photo-block {
  text-align: center;
}
.author-photo-block h2 {
  margin-top: 0;
  text-align: center;
}
.author-photo-block .author-photo {
  margin-left: auto;
  margin-right: auto;
}


/* Author section: heading centered, no portrait */
.author-heading {
  text-align: center;
}
.author-heading h2 {
  margin-top: .35rem;
  text-align: center;
}
.author-content-no-photo {
  grid-template-columns: 1fr;
}


/* Author portrait + biography side-by-side, centered */
.author-content-side-by-side {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(280px, 520px);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}
.author-photo-column {
  display: flex;
  justify-content: center;
}
.author-content-side-by-side .author-photo {
  width: 100%;
  max-width: 260px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.author-content-side-by-side .author-copy {
  width: 100%;
  max-width: 520px;
}
@media (max-width: 700px) {
  .author-content-side-by-side {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
  .author-content-side-by-side .author-photo {
    max-width: 220px;
  }
}


/* Author block balance: wider biography + true centered group */
.author-content-side-by-side {
  grid-template-columns: 200px minmax(420px, 620px);
  gap: clamp(2rem, 4vw, 3.5rem);
  max-width: 880px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  justify-content: center;
}
.author-content-side-by-side .author-photo {
  max-width: 200px;
}
.author-content-side-by-side .author-copy {
  max-width: 620px;
}
@media (max-width: 760px) {
  .author-content-side-by-side {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 620px;
  }
}


/* True center for the complete author photo + biography unit */
@media (min-width: 761px) {
  .author-content-side-by-side {
    position: static;
    left: auto;
    display: grid;
    grid-template-columns: 200px 620px;
    width: 860px;
    max-width: calc(100% - 2rem);
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
  }
}


/* Center author photo + bio against the same full-width centerline as the heading */
.author-content-side-by-side {
  grid-column: 1 / -1;
}

@media (min-width: 761px) {
  .author-content-side-by-side {
    position: static;
    left: auto;
    box-sizing: border-box;
    display: grid;
    grid-template-columns: 200px minmax(420px, 620px);
    column-gap: 3.5rem;
    width: 100%;
    max-width: none;
    padding-left: max(1rem, calc((100% - 876px) / 2));
    padding-right: max(1rem, calc((100% - 876px) / 2));
    margin: 0;
    justify-content: center;
  }
}


/* Center Explore the editions beneath the biography */
.author-content-side-by-side .author-copy .text-link {
  display: table;
  margin-left: auto;
  margin-right: auto;
}

/* Center edition box content */
.formats{grid-auto-rows:1fr}
.formats a{display:flex;align-items:center;justify-content:center;text-align:center}
.formats a strong{text-align:center}

/* Center hero right-side content */
.hero-copy{text-align:center}
.hero-copy .intro{margin-inline:auto}
.hero-copy .availability{text-align:center}

/* Final layout corrections: center the two purchase buttons and author block */
.formats {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 1000px) {
  .formats { grid-template-columns: 1fr; }
}
@media (min-width: 761px) {
  .author-content-side-by-side {
    position: static;
    left: auto;
    grid-column: 1 / -1;
    grid-template-columns: 200px minmax(0, 620px);
    width: 100%;
    max-width: 876px;
    padding: 0;
    margin-inline: auto;
    justify-content: center;
  }
}

/* Stabilize book cover layout */
.cover{width:100%;aspect-ratio:2/3}
.cover img{aspect-ratio:2/3;object-fit:contain}


/* Hide lesson numbers */
.lessons .number{display:none}


/* One continuous gold line above all five points */
.lessons{border-top:1px solid #b9a583}
.lessons article{border-top:none}


/* Three equally sized, centered edition tabs across desktop and mobile */
.formats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:stretch}
.formats a{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:4px;min-width:0;min-height:155px;padding:15px 8px}
.formats a span,.formats a strong,.formats a small{display:block;width:100%;grid-column:auto!important;text-align:center!important;margin:0}
.formats a strong s{color:#8B0020;text-decoration:line-through;text-decoration-color:#8B0020;text-decoration-thickness:2px}
.formats a .sale-price{color:#124B2A;font-weight:700;font-size:18.9px;line-height:23.1px}
.formats a small{color:#8B0020;font-weight:700;opacity:1}
.hero-copy,.purchase,.section-heading,.mos-feature,.author-heading{text-align:center}
.section-heading{margin-inline:auto}
.author-content-side-by-side{grid-column:1/-1;margin-inline:auto}
.author-copy .text-link{margin-inline:auto}
@media(max-width:700px){.formats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.formats a{min-height:135px;padding:10px 4px}.formats span{font-size:13px}.formats a strong,.formats a small{font-size:12px}.formats a .sale-price{font-size:16px}.availability{text-align:center}}