:root{--navy:#132a3a;--muted:#53616a;--paper:#faf8f3;--line:#dedbd2;--gold:#2563eb;--serif:Georgia,'Times New Roman',serif;--sans:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--navy);font:17px/1.65 var(--sans)}a{color:inherit}a:focus-visible{outline:3px solid #2563eb;outline-offset:5px}.wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;top:-100px;left:16px;padding:10px;background:white;z-index:5}.skip:focus{top:10px}.masthead{display:flex;align-items:center;justify-content:space-between;padding-block:26px;border-bottom:1px solid var(--line)}.wordmark{text-decoration:none;font-size:15px;font-weight:750;letter-spacing:.14em}.wordmark span{display:block;font-size:10px;font-weight:500;letter-spacing:.2em;margin-top:3px}.edition{font-size:12px;color:var(--muted)}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;padding-block:70px 78px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:11px;font-weight:750;color:var(--gold);margin:0 0 20px}h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;letter-spacing:-.035em}h1{font-size:clamp(38px,4.1vw,59px);margin:0 0 26px}h1 em{font-style:normal;color:var(--gold)}h2{font-size:clamp(31px,3.3vw,43px);margin:0 0 24px}h3{font-size:26px;margin:17px 0 13px}p{margin:0 0 20px}.hero-copy>p:not(.eyebrow):not(.purchase-note){max-width:570px;color:var(--muted)}.hero-copy .intro{font-size:19px;line-height:1.65}.buy{display:inline-flex;justify-content:center;align-items:center;gap:24px;background:var(--navy);color:#fff;text-decoration:none;font-size:15px;line-height:1.4;font-weight:650;padding:18px 24px;border-radius:3px;margin-top:8px;min-height:56px}.buy:hover{background:#24465c}.buy span{font-size:21px}.purchase-note{font-size:11px;color:var(--muted);margin:13px 0 0}.book{margin:0;position:relative}.book img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;mix-blend-mode:multiply}.book figcaption{text-align:center;font-size:10px;letter-spacing:.24em;color:var(--muted);margin-top:17px}.questions{background:var(--navy);color:var(--paper);padding-block:60px}.questions .eyebrow{color:#e8b878}.question-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:75px}.question-grid h2{font-size:35px}.questions ul{list-style:none;padding:0;margin:0}.questions li{padding:15px 0;border-bottom:1px solid #ffffff26;font-family:var(--serif);font-size:22px;line-height:1.4}.questions li:first-child{padding-top:0}.questions li:last-child{border:0;padding-bottom:0}.approach{padding-block:80px}.section-intro{max-width:770px}.section-intro>p:last-child{color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:42px}.steps article{border-top:1px solid var(--line);padding-top:24px}.step-number{font-size:12px;font-weight:600;color:var(--gold);letter-spacing:.12em}.steps p{font-size:15px;color:var(--muted)}.closing{text-align:center;border-block:1px solid var(--line);padding-block:58px 66px}.closing>p:not(.eyebrow){max-width:570px;margin-inline:auto;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:20px;padding-block:28px;font-size:11px;color:var(--muted)}footer nav{display:flex;gap:22px}footer a{text-decoration:none}footer a:hover{text-decoration:underline}@media(max-width:760px){.wrap{width:calc(100% - 40px)}.masthead{padding-block:20px}.edition{display:none}.hero{grid-template-columns:1fr;gap:30px;padding-block:38px 42px}h1{font-size:41px}.hero-copy .intro{font-size:17px}.hero-copy>p{font-size:16px}.book{max-width:340px;margin-inline:auto}.book img{max-height:340px}.book figcaption{margin-top:4px}.buy{width:100%;gap:14px;padding:17px 15px}.purchase-note{text-align:center}.question-grid{grid-template-columns:1fr;gap:20px}.questions{padding-block:40px}.questions li{font-size:20px}.approach{padding-block:46px}.steps{grid-template-columns:1fr;gap:18px;margin-top:28px}.steps article{padding-top:18px}.steps h3{margin-top:9px}.closing{padding-block:42px 46px}footer{flex-direction:column;gap:12px}footer nav{gap:17px;flex-wrap:wrap}}@media(prefers-reduced-motion:no-preference){.buy{transition:background .15s ease}}

.formats{display:flex;flex-direction:column;gap:10px;margin-top:8px;max-width:440px}.formats .buy{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;background:var(--navy);color:#fff;text-decoration:none;font-size:15px;line-height:1.3;font-weight:650;padding:14px 18px;border-radius:3px;margin-top:0;min-height:56px}.formats .buy:hover{background:#24465c}.formats .format-name{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.formats .store{font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;opacity:.75}.formats .price{font-size:15px;font-variant-numeric:tabular-nums}.closing .formats{margin-inline:auto}

/* Purchase hierarchy: one primary action, quieter edition choices. */
.buy{border-radius:999px;padding:17px 26px;box-shadow:0 6px 16px -12px #132a3a99}
.formats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px;max-width:500px}
.formats .buy{background:#fffdf8;color:var(--navy);border:1px solid #d3d0c7;border-radius:16px;padding:15px 18px;min-height:72px;box-shadow:0 3px 10px -8px #132a3a66}
.formats .buy:hover{background:#f0ece2;border-color:#9d8e73}
.formats .format-name{font-size:16px}
.formats .store{font-size:11px;opacity:1;color:var(--muted);letter-spacing:.04em}
.formats .price{font-size:20px;color:var(--gold)}
.reader-reviews{padding-block:12px 60px}
.review-heading .eyebrow{margin-bottom:12px}
.review-heading h2{font-size:34px;margin-bottom:28px}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.review-grid figure{margin:0;padding:24px 0;border-top:1px solid var(--line)}
.review-grid blockquote{margin:0 0 18px;font:22px/1.5 var(--serif);letter-spacing:-.015em}
.review-grid figcaption{font-size:13px;color:var(--muted)}
.amazon-rating{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-bottom:24px;font-size:14px}
.amazon-rating .stars{color:var(--gold);letter-spacing:.08em}
.amazon-rating small{color:var(--muted)}
@media(max-width:760px){.hero{padding-bottom:28px}.reader-reviews{padding-block:12px 36px}.review-grid{grid-template-columns:1fr;gap:0}.review-grid figure{padding:20px 0}.review-grid blockquote{font-size:21px}.review-heading h2{margin-bottom:8px}.formats{max-width:none}.formats .buy{padding:14px;gap:8px}.buy{font-size:14px}.reader-reviews .eyebrow{margin-bottom:10px}}

/* Light ivory page with the official-site blue accent and readable ink. */
body{background:#faf7f0}
.masthead{color:var(--navy);border-color:#ded6c8;background:#faf7f0;box-shadow:0 0 0 100vmax #faf7f0;clip-path:inset(0 -100vmax)}
.masthead .edition{color:var(--muted)}
.hero{color:var(--navy);background:radial-gradient(ellipse at 85% 30%,#f3e7d2 0%,#faf7f0 65%);box-shadow:0 0 0 100vmax #faf7f0;clip-path:inset(0 -100vmax)}
.hero h1 em{color:#2563eb}.hero .eyebrow{color:#1d4ed8}
.hero-copy>p:not(.eyebrow):not(.purchase-note){color:var(--muted)}
.hero .purchase-note,.hero .book figcaption{color:var(--muted)}
.book img{mix-blend-mode:normal;border-radius:20px;box-shadow:0 16px 34px -25px #132a3a55}
.buy{background:linear-gradient(135deg,#f2c584,#eab16b);color:#132a3a;box-shadow:0 6px 14px -10px #914f2455}
.buy:hover{background:#f5d3a2}
.formats .buy{background:#fffdf8;color:var(--navy);border-color:#d6cbbb;border-top:2px solid #2563eb;box-shadow:0 4px 12px -10px #132a3a44}
.formats .buy:hover{background:#f5ecde;border-color:#2563eb}
.formats .store{color:var(--muted)}
.formats .price{color:#1d4ed8}
.reader-reviews{padding-block:44px 54px;background:#f4ebdc;box-shadow:0 0 0 100vmax #f4ebdc;clip-path:inset(0 -100vmax)}
.reader-reviews .eyebrow{color:#1d4ed8}.reader-reviews .stars{color:#2563eb}
.review-grid figure{padding:24px;background:#fffdf8;border:1px solid #ded2bf;border-top:3px solid #2563eb;border-radius:16px}
.review-grid blockquote{font-size:21px}
.questions{background:#f1ece2;color:var(--navy)}
.questions .eyebrow{color:#1d4ed8}
.questions li{border-color:#d7cec0}
.approach{background:#faf7f0;box-shadow:0 0 0 100vmax #faf7f0;clip-path:inset(0 -100vmax)}
.closing{background:#f4ebdc;color:var(--navy);border-color:#ded2bf;box-shadow:0 0 0 100vmax #f4ebdc;clip-path:inset(0 -100vmax)}
.closing .eyebrow{color:#1d4ed8}
.closing>p:not(.eyebrow){color:var(--muted)}
@media(max-width:760px){.reader-reviews{padding-block:32px 36px}.review-grid{gap:14px}.review-grid figure{padding:20px}.book img{border-radius:16px}}

.hero-author{display:flex;align-items:center;gap:14px;margin:0 0 24px}
.hero-author img{display:block;width:64px;height:auto;border-radius:12px;border:1px solid #d6cbbb}
.hero-author figcaption{color:var(--muted);font-size:13px;font-weight:600}

/* Bright blue primary Amazon action; edition choices use the separate official-site blue accents. */
.buy[data-amazon-link]{background:linear-gradient(135deg,#20b8eb,#00a8e1);color:#082634;border:1px solid #0083b1;min-height:60px;padding:17px 26px;gap:18px;font-weight:750;box-shadow:inset 0 1px 0 #ffffff66,0 7px 18px -10px #00759b80}
.buy[data-amazon-link]>span{display:grid;place-items:center;width:28px;height:28px;flex-shrink:0;border-radius:50%;background:#ffffff38;font-size:20px}
.buy[data-amazon-link]:hover{background:linear-gradient(135deg,#32c1f0,#0cb0e8);border-color:#00759b;box-shadow:inset 0 1px 0 #ffffff80,0 9px 22px -10px #00759b80}
.buy[data-amazon-link]:active{background:#0099d0;box-shadow:inset 0 1px 3px #005c8026}
.buy[data-amazon-link]:focus-visible{outline:3px solid #005c80;outline-offset:4px}
@media(max-width:760px){.buy[data-amazon-link]{padding:17px 20px;gap:14px}}
@media(prefers-reduced-motion:no-preference){.buy[data-amazon-link]{transition:box-shadow .15s ease,transform .15s ease}.buy[data-amazon-link]:hover{transform:translateY(-1px)}.buy[data-amazon-link]:active{transform:translateY(0)}}

/* Approved book-title and author hierarchy. */
.masthead .wordmark{font-size:19px;letter-spacing:.12em}.masthead .wordmark span{font-size:10px;letter-spacing:.16em;margin-top:2px}