:root{--ink:#183c3a;--text:#384a49;--paper:#f7f4ed;--line:#d9dfd6;--accent:#956546}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font:18px/1.8 "Segoe UI",sans-serif}a{color:var(--ink);text-underline-offset:4px}a:hover{color:#9a5335}a:focus-visible,summary:focus-visible{outline:3px solid #a56034;outline-offset:5px}header,main,footer{max-width:1200px;margin:auto}header{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:30px 32px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-size:20px;font-weight:700;line-height:1.4}.brand span{display:block;font-size:14px;font-weight:400;letter-spacing:.1em}nav{display:flex;gap:25px;font-size:15px}nav a{text-decoration:none}h1,h2{font-family:Georgia,serif;color:var(--ink);font-weight:400;line-height:1.17}h1{font-size:clamp(40px,4.7vw,62px);margin:12px 0 24px;letter-spacing:-.035em}h1 span{display:block;font-style:italic;font-size:.75em;margin-top:15px;color:var(--accent)}h2{font-size:32px;margin:0 0 22px}p{margin:0 0 23px}.hero{padding:64px 32px 60px;display:grid;grid-template-columns:1.5fr 1fr;gap:65px;align-items:center}.hero>div{max-width:670px}.eyebrow{text-transform:uppercase;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--accent);margin-bottom:16px}.lead{font-size:22px;line-height:1.5}.hero figure{margin:0;padding:38px;background:#e5eadd;border-radius:48% 48% 5px 5px}.hero img{display:block;width:100%;height:auto;box-shadow:10px 16px 22px #183c3a24}.actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap;font-size:16px;margin:30px 0 15px}.button{background:var(--ink);color:white;padding:12px 23px;border-radius:5px;text-decoration:none}.button:hover{background:#285652;color:white}.small{font-size:13px;color:#586965}.home-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:65px;padding:55px 32px;border-top:1px solid var(--line)}.welcome section{padding:0 0 36px;margin-bottom:36px;border-bottom:1px solid var(--line);display:flow-root}.welcome img{float:left;max-width:160px;height:auto;margin:7px 25px 10px 0;border-radius:5px}aside{font-size:15px;line-height:1.5}aside ul{list-style:none;padding:0;counter-reset:chapter}aside li{border-bottom:1px solid var(--line);padding:12px 0}aside a{text-decoration:none;display:block}aside h2{font-size:36px}.reading-grid{display:grid;grid-template-columns:245px minmax(0,740px);gap:70px;padding:55px 32px}.chapter{font:20px/1.85 Georgia,serif}.chapter h1{margin-top:0}.chapter h2{font-size:29px;margin-top:45px}.chapter img{float:left;max-width:180px;height:auto;margin:8px 28px 18px 0;border-radius:4px}.chapter-nav{border-top:1px solid var(--line);padding:30px 0;margin-top:50px;justify-content:space-between;font-family:"Segoe UI",sans-serif}.chapter-nav a{max-width:55%}summary{cursor:pointer;font-size:20px;color:var(--ink)}footer{border-top:1px solid var(--line);padding:35px 32px;font-size:13px;text-align:center}footer p{margin:8px}.skip{position:absolute;left:15px;top:-80px;background:white;padding:10px}.skip:focus{top:10px}@media(max-width:800px){header{display:block;padding:22px}header nav{margin-top:15px;gap:18px;flex-wrap:wrap}.hero{grid-template-columns:1fr;padding:35px 22px;gap:25px}.hero figure{max-width:300px;margin:auto}.home-grid{grid-template-columns:1fr;padding:35px 22px;gap:20px}.reading-grid{display:flex;flex-direction:column;padding:30px 22px;gap:30px}.reading-grid aside{order:2}.chapter{font-size:19px}.chapter img{max-width:120px}.welcome img{max-width:125px}h2{font-size:29px}}
/* Identify the current chapter without relying on color alone. */
.reading-grid aside a[aria-current="page"] {
  background: #e5eadd;
  border-left: 4px solid var(--ink);
  border-radius: 0 5px 5px 0;
  padding: 10px 12px;
  font-weight: 700;
  color: var(--ink);
}
.support-grid{display:grid;grid-template-columns:minmax(0,740px) 280px;gap:65px;padding:50px 32px}.support-grid>*{min-width:0}.support-content{overflow-wrap:anywhere}.support-content h1{font-size:42px}.support-content img{max-width:100%;height:auto}.download-content h1{font-size:42px}.download-content h2{font-size:29px}.download-content h3{color:var(--ink);font-size:23px}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:35px 0}.download-card{padding:24px;background:#fff;border:1px solid var(--line);border-radius:8px}.download-card img{display:block;max-width:100px;height:auto;margin-bottom:20px}.download-link{display:inline-block;padding:10px 18px;background:var(--ink);color:white;border-radius:5px;text-decoration:none}.note-card{border-top:1px solid var(--line);padding-top:30px}.support-grid aside img{width:100%;height:auto}@media(max-width:800px){.support-grid{display:flex;flex-direction:column;padding:30px 22px;gap:35px}.support-content h1,.download-content h1{font-size:35px}.download-grid{grid-template-columns:1fr}}