*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#193b35;background:#f8fbf8;line-height:1.65}
.books-header{background:#fff;border-bottom:1px solid #dce9e3}
.books-header-inner{max-width:1180px;margin:auto;min-height:105px;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.books-brand{display:flex;align-items:center;gap:14px}.books-brand img{width:58px;height:58px;object-fit:contain}
.eyebrow,.kicker{margin:0;color:#23825d;font-size:.78rem;font-weight:700;letter-spacing:.12em}.books-brand h1{margin:2px 0 0;font-size:2rem;color:#155f9a}.books-brand p:last-child{margin:0;color:#54736b}
.books-home,.books-links a{display:inline-flex;align-items:center;gap:8px;text-decoration:none;border-radius:8px;padding:10px 15px;font-weight:700}.books-home{background:#25885d;color:#fff}.books-home img{width:18px;height:18px}.books-links{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.books-links a{border:1px solid #23825d;color:#23825d}
main{max-width:1180px;margin:auto;padding:44px 24px 60px}.books-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:28px 0 48px}.books-hero h2{font-size:2.35rem;line-height:1.2;margin:8px 0 18px;color:#155f9a}.lead{font-size:1.08rem;color:#425b55}.books-hero>img{width:100%;height:300px;object-fit:cover;border-radius:18px}
.books-toolbar{background:#fff;border:1px solid #e1ece7;border-radius:16px;padding:22px;margin-bottom:48px;box-shadow:0 5px 18px rgba(20,70,55,.05)}.books-toolbar label{display:block;font-weight:700;color:#155f9a;margin-bottom:8px}.books-toolbar input{width:100%;padding:13px 15px;border:1px solid #c9dcd4;border-radius:9px;font-size:1rem;outline:none}.books-toolbar input:focus{border-color:#23825d}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.filter{border:1px solid #23825d;background:#fff;color:#23825d;padding:8px 13px;border-radius:8px;font-weight:700;cursor:pointer}.filter.active,.filter:hover{background:#23825d;color:#fff}
.book-section{margin-bottom:58px}.section-heading{display:flex;align-items:center;gap:16px;justify-content:center;margin-bottom:28px}.section-heading span{height:2px;width:60px;background:#b9d7c8}.section-heading h2{margin:0;text-align:center;color:#155f9a;font-size:2rem}
.book-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.book-card{background:#fff;border:1px solid #e1ece7;border-radius:16px;overflow:hidden;box-shadow:0 5px 18px rgba(20,70,55,.06)}.book-card>img{width:100%;height:175px;display:block;object-fit:cover}.book-card>div{padding:18px 19px 22px}.tag{font-size:.72rem;color:#23825d;font-weight:800;letter-spacing:.08em}.book-card h3{margin:5px 0 9px;color:#155f9a;font-size:1.12rem;line-height:1.4}.book-card p{margin:0 0 16px;color:#536862;font-size:.95rem}.book-card a,.book-feature a{display:inline-block;text-decoration:none;background:#25885d;color:#fff;border-radius:8px;padding:9px 14px;font-weight:700}
.book-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center;background:#fff;border:1px solid #e1ece7;border-radius:18px;padding:22px;box-shadow:0 5px 18px rgba(20,70,55,.05)}.book-feature img{width:100%;height:270px;object-fit:cover;border-radius:14px}.book-feature h3{color:#155f9a;font-size:1.55rem;margin:7px 0 12px}.book-feature p{color:#536862}
.no-results{text-align:center;color:#536862;padding:30px}.books-footer{background:#0b4e32;color:#fff;text-align:center;padding:28px 20px}.books-footer p{margin:4px}.books-footer a{color:#fff}
@media(max-width:850px){.books-header-inner{flex-wrap:wrap}.books-brand{order:-1;width:100%;justify-content:center}.books-hero{grid-template-columns:1fr}.book-grid{grid-template-columns:repeat(2,1fr)}.book-feature{grid-template-columns:1fr}}
@media(max-width:520px){main{padding:28px 16px}.books-header-inner{padding:12px 16px}.books-brand h1{font-size:1.5rem}.books-links{width:100%;justify-content:center}.book-grid{grid-template-columns:1fr}.books-hero h2{font-size:1.9rem}.section-heading h2{font-size:1.6rem}.section-heading span{width:28px}}