/* Scoped to the volume 9 product; mobile first. */
.bp18{--bp18-ink:#3e311a;--bp18-teal:#534223;--bp18-muted:#675f51;--bp18-line:#e6e2dc;--bp18-warm:#f6f1e9;color:#403726;font-size:16px;line-height:1.95;overflow-wrap:break-word;text-align:right}
.bp18 *{box-sizing:border-box}.bp18 h2,.bp18 h3,.bp18 h4,.bp18 p,.bp18 figure,.bp18 ul,.bp18 ol{margin:0;padding:0}.bp18 h2{font-size:25px;line-height:1.65;color:var(--bp18-ink);font-weight:800;margin:8px 0 16px}.bp18 h3{font-size:18px;line-height:1.7;color:var(--bp18-ink);font-weight:700;margin:0 0 7px}.bp18 p{margin:0 0 16px}.bp18 a{text-decoration:none}.bp18 a:focus-visible,.bp18 button:focus-visible,.bp18 summary:focus-visible{outline:3px solid #9c7d43;outline-offset:5px}.bp18 [id]{scroll-margin-top:95px}.bp18 .bp18-kicker{color:var(--bp18-teal);font-size:12px;font-weight:700;letter-spacing:.15px;margin:0 0 8px}.bp18-section{padding:32px 0;border-bottom:1px solid var(--bp18-line)}
.bp18 .bp18-hero{background:linear-gradient(145deg,#3b2f19,#5c4927);padding:28px 20px 22px;border-radius:16px;color:#fff}.bp18 .bp18-eyebrow{font-size:12px;color:#eae5db;line-height:1.8;margin:0 0 18px;display:flex;gap:8px;align-items:center}.bp18-dot{height:7px;width:7px;border-radius:50%;background:#ceb68b;flex-shrink:0}.bp18 .bp18-hero h2{color:#fff;font-size:29px;line-height:1.6;margin:0 0 18px}.bp18 .bp18-hero h2 em{font-style:normal;color:#dac9aa}.bp18 .bp18-lead{color:#f5f3ee;font-size:15px;line-height:2}.bp18 .bp18-lead strong{font-weight:500}.bp18 .bp18-author{font-size:13px;color:#eae5db}.bp18-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 0;border-top:1px solid #ffffff35;border-bottom:1px solid #ffffff35;padding:20px 0;margin-top:24px}.bp18-stats>div{text-align:center;display:grid;gap:1px}.bp18-stats strong{font-size:27px;line-height:1.5;color:#fff}.bp18-stats span{font-size:12px;color:#efeae1}.bp18-hero-bottom{display:flex;flex-direction:column;gap:15px;margin-top:20px;font-size:12px}.bp18 .bp18-button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:48px;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:700}.bp18 .bp18-button-light{background:#efe7d9;color:#3e321b}.bp18 .bp18-button-light:hover{background:#f5f1e9;color:#3b2f19}.bp18-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:18px 0 0}.bp18-nav a{display:flex;align-items:center;justify-content:center;min-height:44px;color:var(--bp18-ink);background:#f6f5f2;border:1px solid var(--bp18-line);border-radius:8px;font-size:13px;padding:6px}.bp18-nav a:hover{background:#eeeae3}
.bp18-cards{display:grid;gap:12px;margin-top:22px}.bp18-card{border:1px solid var(--bp18-line);padding:20px;border-radius:12px;background:#fff;position:relative}.bp18 .bp18-card p{font-size:14px;color:var(--bp18-muted);margin:0}.bp18-card-number{color:#7c6e55;font-size:12px;display:block;margin-bottom:10px}.bp18 .bp18-infographic{background:var(--bp18-warm);padding:26px 16px;margin-top:30px;border:0;border-radius:16px}.bp18-pyramid{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 0}.bp18-tier{display:flex;align-items:center;gap:12px;padding:16px 12px;border-radius:10px;min-height:92px;color:#fff}.bp18-tier>div{display:grid;gap:3px}.bp18-tier strong{font-size:15px;line-height:1.7}.bp18-tier div>span{font-size:11px;line-height:1.8}.bp18-tier-n{font-size:21px;color:inherit;opacity:.85;min-width:19px;text-align:center}.bp18-tier-1{width:88%;background:#3e321b}.bp18-tier-2{width:92%;background:#63502b}.bp18-tier-3{width:96%;background:#e9e4db;color:#45371d}.bp18-tier-4{width:100%;background:#e7dcc8;color:#4f422a}.bp18 .bp18-caption{font-size:12px;color:var(--bp18-muted);line-height:1.85;margin:10px 0 0}.bp18 .bp18-editorial{margin:30px 0 0}.bp18-editorial img{display:block;width:100%;height:auto;border-radius:14px;aspect-ratio:1500/844;object-fit:cover}.bp18-editorial figcaption{font-size:12px;color:var(--bp18-muted);padding:12px 4px;line-height:1.9}
.bp18 .bp18-roadmap{list-style:none;position:relative;margin:24px 0 0;padding:0}.bp18-roadmap:before{content:'';position:absolute;right:21px;top:24px;bottom:36px;width:2px;background:#e7e3db}.bp18-roadmap li{display:flex;position:relative;gap:16px;align-items:flex-start;margin:0;padding:0 0 22px}.bp18-roadmap li:last-child{padding:0}.bp18-step{width:44px;height:44px;display:grid;place-items:center;flex-shrink:0;background:#534223;color:#fff;border:5px solid #fff;border-radius:50%;font-size:15px;z-index:1}.bp18-roadmap small{font-size:11px;color:#736a58}.bp18 .bp18-roadmap h3{font-size:17px;margin:2px 0 4px}.bp18 .bp18-roadmap p{font-size:14px;color:var(--bp18-muted);margin:0}.bp18-audience-grid{display:grid;gap:18px}.bp18-audience-grid>div{padding-right:15px;border-right:3px solid #c2a672}.bp18 .bp18-audience-grid h3{font-size:17px}.bp18 .bp18-audience-grid p{font-size:14px;color:var(--bp18-muted);margin:0}
.bp18 .bp18-toc-group{margin:27px 0 10px;color:var(--bp18-teal);font-size:12px;font-weight:700}.bp18 details{background:#fff;border:1px solid var(--bp18-line);border-radius:10px;margin:0 0 8px;overflow:hidden}.bp18 details summary{display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px;position:relative;cursor:pointer;padding:16px 15px 16px 42px;min-height:60px;list-style:none;font-size:14px;font-weight:700;line-height:1.9;color:var(--bp18-ink)}.bp18 details summary::-webkit-details-marker{display:none}.bp18 details summary>span{flex-basis:100%}.bp18 details summary small{font-size:11px;font-weight:400;color:var(--bp18-muted)}.bp18 details summary b{position:absolute;left:15px;top:50%;transform:translateY(-50%);font-size:21px;font-weight:400;color:var(--bp18-teal)}.bp18 details[open]{border-color:#9e9077;background:#fbfaf8}.bp18 details[open] summary{border-bottom:1px solid #e9e6e0}.bp18 details[open] summary b{transform:translateY(-50%) rotate(45deg)}.bp18 .bp18-chapter-body,.bp18 .bp18-faq details>p{padding:16px;font-size:14px;line-height:2;color:var(--bp18-muted)}.bp18 .bp18-chapter-body p,.bp18 .bp18-faq details>p{margin:0}.bp18-note{display:flex;align-items:flex-start;gap:12px;background:#f8f4ee;border-radius:12px;padding:20px 16px;margin-top:30px}.bp18-note-icon{display:grid;place-items:center;border:1px solid #987a43;border-radius:50%;width:25px;height:25px;flex-shrink:0;color:#765f33;margin-top:5px}.bp18 .bp18-note h3{font-size:16px}.bp18 .bp18-note p{font-size:13px;line-height:2;color:#615745;margin:0}.bp18 .bp18-full-title{font-size:15px}.bp18-specs{margin:20px 0 0;display:grid;grid-template-columns:minmax(0,1fr);border:1px solid var(--bp18-line);border-radius:12px;overflow:hidden}.bp18-specs>div{padding:15px 18px;border-bottom:1px solid var(--bp18-line)}.bp18-specs>div:last-child{border-bottom:0}.bp18-specs dt{font-size:12px;color:var(--bp18-muted);font-weight:400;margin:0 0 5px}.bp18-specs dd{margin:0;font-size:15px;color:var(--bp18-ink);font-weight:700}.bp18-specs bdi{font-family:Arial,sans-serif;letter-spacing:1px;font-size:15px}.bp18-order{padding:28px 20px;margin-top:30px;border:1px solid #d7d0c3;border-radius:16px;background:#f5f3ef}.bp18 .bp18-order h2{font-size:25px}.bp18 .bp18-order>p{font-size:14px}.bp18-purchase{border-top:1px solid #dfd9cf;padding-top:20px}.bp18-purchase-price{display:flex;flex-direction:column;gap:5px}.bp18-purchase-price del{color:#77726a;font-size:15px}.bp18-purchase-price ins{text-decoration:none;font-size:25px;font-weight:800;color:var(--bp18-ink)}.bp18-purchase-price .woocommerce-Price-currencySymbol{font-size:13px}.bp18 .bp18-purchase p{font-size:12px;margin:6px 0 12px;color:var(--bp18-muted)}.bp18 .bp18-buy-form{margin:0}.bp18 .bp18-buy-form button{width:100%;min-height:52px;padding:12px 16px;background:#534223;border:0;border-radius:9px;color:#fff;font:inherit;font-size:15px;font-weight:700;cursor:pointer}.bp18 .bp18-buy-form button:hover{background:#3a2e19}.bp18 .bp18-backlink{display:block;text-align:center;font-size:12px;color:var(--bp18-teal);padding:18px 0 0;min-height:44px}
body.postid-101017 .product-single-content{padding:16px!important}body.postid-101017 .product-single-top-part{margin-bottom:16px}body.postid-101017 .product-image-wrapper img{border-radius:14px}body.postid-101017 .page-title{padding-top:26px;padding-bottom:24px}body.postid-101017 h1.title-page{font-size:23px;line-height:1.8}body.postid-101017 .study-mode{display:none}body.postid-101017 .sticky-add-to-cart{padding-bottom:env(safe-area-inset-bottom)}
@media(min-width:600px){.bp18 .bp18-hero{padding:38px 32px 28px}.bp18 .bp18-hero h2{font-size:37px}.bp18-stats{grid-template-columns:repeat(4,minmax(0,1fr))}.bp18-hero-bottom{flex-direction:row;align-items:center;justify-content:space-between}.bp18-nav{grid-template-columns:repeat(4,minmax(0,1fr))}.bp18-cards,.bp18-audience-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.bp18 .bp18-infographic{padding:32px}.bp18-tier{padding:18px 25px;gap:22px}.bp18-tier strong{font-size:19px}.bp18-tier div>span{font-size:13px}.bp18-tier-1{width:65%}.bp18-tier-2{width:76%}.bp18-tier-3{width:88%}.bp18-tier-4{width:100%}.bp18-specs{grid-template-columns:repeat(2,minmax(0,1fr))}.bp18-specs .bp18-isbn{grid-column:1/-1}.bp18 details summary{padding:18px 20px 18px 48px}.bp18 details summary>span{flex:1}.bp18-order{padding:32px}.bp18-section{padding:42px 0}body.postid-101017 .product-single-content{padding:28px!important}body.postid-101017 h1.title-page{font-size:28px}.bp18-pyramid{max-width:600px;margin:auto}.bp18-purchase{display:flex;align-items:center;justify-content:space-between;gap:20px}.bp18 .bp18-buy-form{min-width:210px}.bp18 .bp18-purchase p{margin-bottom:0}}
body.postid-101017 .bp18 .bp18-nav a,body.postid-101017 .bp18 .bp18-backlink{color:#45371d!important}body.postid-101017 .bp18 .bp18-button-light{color:#3e321b!important}
body.postid-101017 #course-advice{display:none}body.postid-101017 .bp18-purchase-price ins{background:transparent;padding:0}
@media(prefers-reduced-motion:reduce){.bp18 *{scroll-behavior:auto!important;transition:none!important}}

.bp18 .bp18-cycle-grid{display:grid;grid-template-columns:1fr;list-style:none;gap:12px;margin:24px 0 18px;padding:0}.bp18-cycle-grid li{background:#fff;border:1px solid #e5ded1;border-radius:12px;padding:20px 18px;position:relative}.bp18-cycle-grid li>span{display:grid;place-items:center;background:#534223;color:#fff;border-radius:50%;width:34px;height:34px;font-size:16px;margin-bottom:12px}.bp18 .bp18-cycle-grid h3{font-size:18px;margin-bottom:5px}.bp18 .bp18-cycle-grid p{font-size:14px;margin:0;color:#675f51}.bp18 .bp18-faq details p a{color:#534223!important;text-decoration:underline}@media(min-width:480px){.bp18 .bp18-cycle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1000px){.bp18 .bp18-cycle-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

.bp18-books-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}.bp18-book{border:1px solid var(--bp18-line);border-radius:14px;overflow:hidden;background:#fff}.bp18-book img{width:100%;height:auto;aspect-ratio:1500/844;object-fit:cover;display:block}.bp18-book-copy{padding:18px}.bp18 .bp18-book h3{font-size:17px}.bp18 .bp18-book p{font-size:13px;color:var(--bp18-muted);margin:0 0 12px}.bp18 .bp18-book a{color:var(--bp18-ink)!important}.bp18-book-link{display:inline-flex;align-items:center;min-height:44px;font-size:13px;text-decoration:underline!important}.bp18-book-volume{font-size:12px;color:var(--bp18-teal);display:block;margin-bottom:7px}.bp18-selector{display:grid;gap:12px}.bp18-selector a{display:grid;gap:6px;border:1px solid var(--bp18-line);border-radius:12px;padding:18px;color:var(--bp18-ink)!important;min-height:80px}.bp18-selector a[aria-current]{background:var(--bp18-warm);border-color:var(--bp18-teal)}.bp18-selector span{font-size:12px;color:var(--bp18-muted)}.bp18-comparison{display:grid;gap:12px;margin-top:20px}.bp18-comparison>div{border:1px solid var(--bp18-line);border-radius:12px;padding:20px;display:grid;gap:9px}.bp18-comparison small{font-size:12px;color:var(--bp18-muted)}.bp18-comparison strong{font-size:22px;color:var(--bp18-ink)}.bp18-comparison .bp18-highlight{background:var(--bp18-warm)}.bp18-saving{font-size:14px;margin-top:16px!important}.bp18-cycle-grid li>br,.bp18-card>br,.bp18-book-copy>br{display:none}.bp18-cycle-grid li>p>strong{display:block;margin-bottom:5px}.bp18-cycle-grid li>p>br{display:none}.bp18 .bp18-purchase-price>.woocommerce-Price-amount{font-size:25px;font-weight:800}@media(min-width:600px){.bp18-books-grid,.bp18-selector{grid-template-columns:repeat(2,minmax(0,1fr))}.bp18-comparison{grid-template-columns:repeat(3,minmax(0,1fr))}}