:root{--bg:#f3eee5;--paper:#fbf8f2;--ink:#1f1d1c;--muted:#5a544f;--line:rgba(31,29,28,.12);--accent:#2f6b3f;--shadow:0 12px 30px rgba(0,0,0,.08);--radius:18px;--max:1100px}
*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}
header{position:sticky;top:0;background:color-mix(in srgb,var(--bg) 88%,transparent);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;color:inherit}
.brand img{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);object-fit:cover}
.menu{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.menu a{text-decoration:none;padding:8px 10px;border-radius:999px;color:var(--muted)}
.menu .cta{color:var(--paper);background:var(--accent);font-weight:800}
.hero{padding:44px 0 26px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.card{background:color-mix(in srgb,var(--paper) 92%,transparent);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero .card{padding:22px}.kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:800}
h1{font-size:42px;line-height:1.12;margin:10px 0} .lede{font-size:18px;color:var(--muted)}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 14px;border-radius:999px;border:1px solid var(--line);text-decoration:none;font-weight:800;color:inherit;background:color-mix(in srgb,var(--paper) 90%,transparent)}
.btn.primary{background:var(--accent);color:var(--paper)}
.author{padding:16px;display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center}
.author img{width:96px;height:96px;border-radius:18px;object-fit:cover;border:1px solid var(--line)}
.section{padding:20px 0 28px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:900px){.grid-3{grid-template-columns:1fr}}
.feature{padding:16px}.series-card{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:16px}
@media(max-width:620px){.series-card{grid-template-columns:1fr}}
.cover{width:100%;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow)}
.book-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
@media(max-width:1100px){.book-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:650px){.book-grid{grid-template-columns:repeat(2,1fr)}}
.book{padding:12px;text-decoration:none}.book img{width:100%;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow)}
footer{padding:26px 0 34px;border-top:1px solid var(--line);color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}
.footer-links{display:flex;gap:12px;flex-wrap:wrap}
.page-title{padding:30px 0 10px}.page-title h1{font-size:34px;margin:0}.page-title p{color:var(--muted);margin:8px 0 0}
.sep{border:0;border-top:1px solid var(--line);margin:18px 0}
.callout{padding:18px;border:1px solid color-mix(in srgb,var(--accent) 22%,var(--line) 78%);background:color-mix(in srgb,var(--accent) 9%,var(--paper) 91%);border-radius:var(--radius)}
.note{font-size:13px;color:var(--muted)}