:root{--book-paper:#faf9f5;--book-ink:#212a29;--book-muted:#606b69;--book-rule:#d9ded8;--book-accent:#a7804e;--book-sand:#eae4d8}
body.guide-site{margin:0;color:var(--book-ink);background:var(--book-paper);font:17px/1.8 Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-padding-top:150px}a{color:inherit;text-underline-offset:5px}a:hover{color:#775c36}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--book-accent);outline-offset:5px}img{display:block;max-width:100%;height:auto}figure{margin:0}p{margin:0 0 20px}h1,h2,h3{font-weight:400;line-height:1.15}h1,h2{font-family:Georgia,'Times New Roman',serif}h1{letter-spacing:-.035em}h2{font-size:clamp(28px,3vw,39px);margin:48px 0 20px}h3{font:600 20px/1.4 Arial,sans-serif;margin:30px 0 10px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font:600 11px/1.6 Arial,sans-serif;color:#806139;margin:0 0 15px}.guide-top{position:sticky;top:0;background:rgba(250,249,245,.98);z-index:20;border-bottom:1px solid var(--book-rule)}.guide-languages{display:flex;justify-content:space-between;align-items:center;max-width:1320px;margin:auto;padding:7px 30px;font-size:11px;border-bottom:1px solid var(--book-rule)}.guide-languages nav{display:flex;gap:18px}.guide-languages nav a{display:flex;gap:6px;align-items:center;text-decoration:none}.guide-languages nav b{font-weight:500}.guide-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1320px;margin:auto;padding:18px 30px}.guide-brand{width:225px;flex-shrink:0}.guide-brand img{width:100%}.guide-nav-links{display:flex;align-items:center;gap:26px;font-size:13px}.guide-nav-links a{text-decoration:none}.guide-contact{background:#17383b;color:#fff!important;padding:11px 18px;text-decoration:none;white-space:nowrap}.guide-breadcrumb{max-width:1240px;margin:25px auto 0;padding:0 30px;color:var(--book-muted);font-size:12px}.guide-breadcrumb a{text-decoration:none}.book-hero{max-width:1240px;margin:36px auto 55px;padding:0 30px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.book-hero h1{font-size:clamp(38px,4.3vw,65px);margin:15px 0 25px}.book-hero .intro{font-size:19px;color:var(--book-muted);line-height:1.7}.book-meta{font-size:11px;letter-spacing:.04em;color:var(--book-muted);border-top:1px solid var(--book-rule);padding-top:18px;margin-top:25px}.cover-photo{width:100%;aspect-ratio:4/4.5;object-fit:cover}.book-hero figcaption{font-size:11px;line-height:1.6;color:var(--book-muted);padding-top:10px}.book-layout{max-width:1240px;margin:auto;padding:0 30px;display:grid;grid-template-columns:230px minmax(0,760px);gap:70px;justify-content:space-between}.book-toc{position:sticky;top:145px;align-self:start;max-height:70vh;overflow-y:auto;font-size:12px;line-height:1.6;padding-right:15px}.book-toc a{display:block;padding:9px 0;text-decoration:none;border-bottom:1px solid var(--book-rule)}.book-toc summary{cursor:pointer;font-weight:600;font-size:13px;margin-bottom:10px}.book-toc details{border-top:2px solid var(--book-accent);padding-top:16px}.book-body{min-width:0}.book-body>h1{font-size:40px}.book-body>.lede{font-size:21px;color:#485956;line-height:1.65}.book-body ul{padding-left:24px}.book-body li{padding:4px 0}.book-body a{overflow-wrap:anywhere}.short-answer{border-top:1px solid var(--book-ink);border-bottom:1px solid var(--book-rule);padding:25px 0;margin-bottom:42px}.short-answer h2{font:400 29px/1.3 Georgia,serif;margin:12px 0 18px}.short-answer p:last-child{margin-bottom:0}.short-answer .eyebrow{margin-bottom:0}.guide-photo{margin:40px 0}.guide-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}.guide-photo figcaption{font-size:12px;line-height:1.7;padding-top:12px;color:var(--book-muted)}.case-feature{margin:50px 0;background:#efece4;padding:24px}.case-feature h2{margin:6px 0 16px;font-size:31px}.case-feature img{object-fit:contain;width:auto;max-height:560px;margin:20px auto;background:transparent;aspect-ratio:auto}.case-feature p{font-size:14px;line-height:1.7}.case-feature figcaption{font-size:11px;color:var(--book-muted);line-height:1.7;margin-top:15px}.case-feature>a{font-size:13px}.case-slice{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0}.case-slice img{width:100%;height:180px;object-fit:contain;background:#eeeae2}.case-slice figcaption{font-size:11px;line-height:1.5;margin-top:8px}.clinical-gallery summary{font-size:14px;cursor:pointer;padding:14px 0;border-bottom:1px solid var(--book-rule)}.clinical-gallery img{max-height:460px;object-fit:contain;width:auto;margin:20px auto}.clinical-gallery p{font-size:12px;color:var(--book-muted)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.7}th,td{border-bottom:1px solid var(--book-rule);text-align:left;padding:12px;vertical-align:top}th{font-weight:600}.clinical{font-size:12px;color:var(--book-muted);padding:20px 0;border-top:1px solid var(--book-rule);margin-top:35px}.source{font-size:12px;color:var(--book-muted)}.guide-questions{margin:45px 0}.guide-questions details{border-bottom:1px solid var(--book-rule);padding:18px 0}.guide-questions summary{cursor:pointer;font:500 17px/1.5 Arial,sans-serif}.guide-questions details p{font-size:15px;margin:17px 0 0;color:#47514e}.guide-profile{display:grid;grid-template-columns:1fr 240px;gap:28px;margin:55px 0;padding-top:35px;border-top:1px solid var(--book-rule)}.guide-profile h2{margin:12px 0 20px;font-size:31px}.guide-profile p{font-size:14px}.profile-photo img{width:240px;height:320px;object-fit:cover;object-position:left}.guide-profile a{font-size:13px}.guide-support{padding:30px;background:var(--book-sand);margin:40px 0}.guide-support h2{margin:8px 0 15px;font-size:32px}.guide-support p{font-size:15px}.support-actions{display:flex;gap:15px;flex-wrap:wrap;align-items:center}.support-actions a{font-size:13px}.guide-sources{font-size:12px;line-height:1.7;color:var(--book-muted);margin-top:40px}.guide-sources h2{font:500 17px Arial,sans-serif;margin:25px 0 15px}.guide-sources ul{padding-left:18px}.book-related{margin:60px 0}.book-related a{display:block;padding:16px 0;border-top:1px solid var(--book-rule);font:400 22px/1.4 Georgia,serif;text-decoration:none}.guide-footer{border-top:1px solid var(--book-rule);max-width:1240px;margin:65px auto 0;padding:30px;color:var(--book-muted);font-size:12px}.guide-footer nav{display:flex;gap:20px;flex-wrap:wrap;margin-top:15px}.guide-library{max-width:1180px;margin:60px auto;padding:0 30px}.library-heading{max-width:750px;margin-bottom:45px}.library-heading h1{font-size:clamp(44px,6vw,78px);margin:20px 0 25px}.library-heading .intro{font-size:20px;color:var(--book-muted)}.library-lead{display:grid;grid-template-columns:1.1fr 1fr;gap:45px;align-items:center;border-block:1px solid var(--book-rule);padding:35px 0;margin-bottom:25px;text-decoration:none}.library-lead img{width:100%;height:400px;object-fit:cover}.library-lead h2{margin:12px 0 18px;font-size:43px}.library-lead p{font-size:16px}.library-row{display:grid;grid-template-columns:180px 1fr 40px;gap:28px;align-items:center;padding:28px 0;border-bottom:1px solid var(--book-rule);text-decoration:none}.library-row img{width:180px;height:145px;object-fit:cover}.library-row h2{font-size:28px;margin:6px 0 10px}.library-row p{font-size:14px;color:var(--book-muted);margin:0}.guide-home-link{font-size:13px;color:#17383b!important}.home-guides-section{border-top:1px solid #d9d9cd}.home-guides-rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:10px 0 20px}.home-guide{flex:0 0 300px;scroll-snap-align:start;text-decoration:none}.home-guide img{width:300px;height:200px;object-fit:cover}.home-guide small{display:block;margin:18px 0 8px;font-size:10px;letter-spacing:.1em;color:#876f4e;text-transform:uppercase}.home-guide h3{font:400 26px/1.25 Georgia,serif;color:#183336;margin:0 0 12px}.home-guide p{font-size:14px;line-height:1.7;color:#5d6b67}.home-guide>span{font-size:12px;text-decoration:underline;text-underline-offset:5px}.home-guides-section .split-heading a{font-size:14px;display:inline-block;margin-top:12px}
@media(max-width:980px){.book-layout{grid-template-columns:190px minmax(0,1fr);gap:35px}.book-hero{gap:35px}.guide-nav-links{gap:16px}.guide-profile{grid-template-columns:1fr}.profile-photo{max-width:270px}.guide-languages{font-size:10px}.guide-nav-links .optional{display:none}}
@media(max-width:700px){html{scroll-padding-top:135px}.guide-languages{padding:7px 18px}.guide-languages>span{max-width:140px;font-size:9px;line-height:1.4}.guide-languages nav{gap:10px}.guide-languages nav a{gap:3px}.guide-nav{padding:12px 18px;gap:10px}.guide-brand{width:150px}.guide-contact{padding:9px 10px;font-size:11px}.guide-nav-links{gap:10px}.guide-nav-links>a:not(.guide-contact){display:none}.guide-breadcrumb{padding:0 20px;margin-top:18px;font-size:10px}.book-hero{grid-template-columns:1fr;gap:25px;margin:25px auto 30px;padding:0 20px}.book-hero h1{font-size:39px}.book-hero .intro{font-size:17px}.cover-photo{aspect-ratio:4/3}.book-layout{display:block;padding:0 20px}.book-toc{position:static;max-height:none;padding:0;margin:20px 0 35px}.book-toc details{padding:14px 0;border-bottom:1px solid var(--book-rule)}.book-toc a{font-size:13px}.book-body{font-size:16px;line-height:1.85}.book-body>.lede{font-size:19px}.book-body h2{font-size:29px}.guide-photo{margin:30px 0}.case-feature{padding:18px;margin:35px 0}.guide-profile{gap:18px}.guide-support{padding:22px}.support-actions{align-items:flex-start;flex-direction:column;gap:18px}.guide-footer{padding:25px 20px}.guide-library{margin:35px auto;padding:0 20px}.library-heading h1{font-size:46px}.library-lead{grid-template-columns:1fr;gap:23px;padding:25px 0}.library-lead img{height:260px}.library-lead h2{font-size:33px}.library-row{grid-template-columns:100px 1fr;gap:17px}.library-row img{width:100px;height:125px}.library-row h2{font-size:23px}.library-row p{font-size:12px}.library-row>span{display:none}.case-slice{gap:7px}.case-slice img{height:115px}.home-guide{flex-basis:265px}.home-guide img{width:265px;height:180px}.home-guide h3{font-size:24px}}
.library-cover{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:55px;margin-bottom:40px}.library-cover .library-heading{margin:0}.library-cover .library-heading h1{font-size:clamp(40px,4.5vw,61px)}.library-cover figure img{width:100%;height:450px;object-fit:contain}.library-cover figcaption{font-size:11px;color:var(--book-muted);line-height:1.6;padding-top:10px}
.guide-site .skip-link{position:fixed;top:-100px;left:18px;z-index:100;background:#fff;padding:12px}.guide-site .skip-link:focus{top:12px}.reading-progress{position:absolute;bottom:0;left:0;height:2px;background:var(--book-accent);width:0;pointer-events:none}
@media(max-width:700px){.library-cover{display:block}.library-cover .library-heading h1{font-size:41px}.library-cover figure{margin-top:25px}.library-cover figure img{height:350px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{scroll-behavior:auto!important}}
@media print{.guide-top,.book-toc,.guide-support,.book-related,.guide-footer{display:none}.book-hero,.book-layout{display:block;margin:0;padding:0}.book-hero figure{max-width:300px}.book-body{font-size:11pt}.book-hero h1{font-size:28pt}h2{break-after:avoid}.case-feature img{max-height:300px}.book-body details:not([open])>p{display:block}.guide-photo{max-width:500px}}