.knowledge-books-page .nav-books[aria-current="page"]{color:var(--teal-700)}
.knowledge-hero{min-height:680px;padding:clamp(72px,9vw,118px) clamp(22px,7vw,110px);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.8fr);align-items:center;gap:clamp(46px,7vw,100px);overflow:hidden;background:linear-gradient(125deg,#083f40 0%,#0f5b5a 70%,#177775 100%);color:#fff}
.knowledge-hero-copy{max-width:730px}
.knowledge-hero .eyebrow{color:#ffe28c}
.knowledge-hero h1{max-width:700px;font-size:clamp(3.25rem,6.4vw,6.25rem)}
.knowledge-hero-intro{max-width:670px;margin:25px 0 0;color:#eef8f5;font-size:clamp(1.08rem,1.75vw,1.32rem);line-height:1.65}
.knowledge-hero-claim{margin:20px 0 31px;color:#ffe28c;font-family:"Nunito",system-ui,sans-serif;font-size:1.08rem;font-weight:900}
.knowledge-hero-covers{min-height:500px;position:relative}
.knowledge-hero-covers img{width:240px;height:360px;position:absolute;top:50%;left:50%;object-fit:cover;border:7px solid rgba(255,255,255,.92);border-radius:18px 18px 18px 6px;box-shadow:0 24px 55px rgba(1,25,25,.36)}
.knowledge-hero-covers img:nth-child(1){transform:translate(-92%,-49%) rotate(-10deg)}
.knowledge-hero-covers img:nth-child(2){z-index:2;transform:translate(-50%,-55%) rotate(1deg)}
.knowledge-hero-covers img:nth-child(3){transform:translate(-8%,-47%) rotate(10deg)}
.topic-picker{padding:clamp(62px,8vw,96px) clamp(22px,7vw,110px);background:#fff}
.topic-picker-heading{max-width:760px;margin:0 auto 36px;text-align:center}
.topic-links{max-width:1180px;margin:auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.topic-links a{min-height:158px;padding:24px;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:16px;align-content:center;border:1px solid var(--line);border-radius:25px 25px 25px 9px;background:var(--cream);color:inherit;text-decoration:none;box-shadow:0 12px 34px rgba(8,63,64,.07);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.topic-links a:hover,.topic-links a:focus-visible{transform:translateY(-4px);border-color:#7dbbb4;box-shadow:0 18px 40px rgba(8,63,64,.12)}
.topic-links a>span{grid-row:1/3;color:var(--sun);font:900 1.05rem/1 "Nunito",sans-serif}
.topic-links strong{color:var(--teal-900);font:900 1.18rem/1.2 "Nunito",sans-serif}
.topic-links small{margin-top:7px;color:var(--muted);font-size:.88rem;line-height:1.4}
.knowledge-selection{padding:clamp(68px,8vw,108px) clamp(22px,7vw,110px);background:var(--cream)}
.knowledge-selection-heading{max-width:840px;margin:0 auto 58px;text-align:center}
.knowledge-selection-heading p{margin:15px 0 0;color:var(--muted);font-size:1.08rem}
.knowledge-group{max-width:1180px;margin:0 auto;scroll-margin-top:110px}
.knowledge-group+.knowledge-group{margin-top:76px;padding-top:72px;border-top:1px solid var(--line)}
.knowledge-group-heading{margin-bottom:28px;display:flex;align-items:center;gap:18px}
.knowledge-group-heading>span{color:var(--sun);font:900 1rem/1 "Nunito",sans-serif;letter-spacing:.08em}
.knowledge-group-heading p{margin:0 0 5px;color:var(--teal-700);font-size:.82rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.knowledge-group-heading h3{color:var(--teal-900);font-size:clamp(2rem,3.5vw,3rem)}
.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px}
.knowledge-book-card{min-width:0;display:grid;grid-template-columns:210px minmax(0,1fr);overflow:hidden;border:1px solid var(--line);border-radius:27px 27px 27px 9px;background:#fff;box-shadow:0 16px 42px rgba(8,63,64,.09)}
.knowledge-cover{min-height:390px;padding:24px;display:flex;align-items:center;justify-content:center;background:linear-gradient(150deg,#eaf5f2,#fff6df)}
.knowledge-cover img{width:100%;height:auto;max-height:350px;display:block;object-fit:contain;border-radius:7px;box-shadow:0 14px 30px rgba(7,48,49,.2)}
.knowledge-book-copy{min-width:0;padding:30px 28px;display:flex;flex-direction:column}
.knowledge-book-meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}
.knowledge-book-meta span{padding:6px 10px;border-radius:999px;background:var(--sun-soft);color:#76500a;font-size:.76rem;font-weight:800}
.knowledge-book-meta span+span{background:#e7f4f1;color:var(--teal-800)}
.knowledge-book-copy h4{margin:0;color:var(--teal-900);font:900 clamp(1.35rem,2vw,1.65rem)/1.2 "Nunito",system-ui,sans-serif}
.knowledge-book-copy p{margin:16px 0 24px;color:var(--muted);line-height:1.6}
.knowledge-amazon{align-self:flex-start;margin-top:auto;background:var(--teal-800);color:#fff;box-shadow:none}
.knowledge-amazon:hover{background:var(--teal-900)}
.knowledge-more{padding:clamp(64px,8vw,104px) clamp(22px,7vw,110px);display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);align-items:center;gap:clamp(35px,7vw,92px);background:#fff4dc}
.knowledge-more>div{max-width:720px}
.knowledge-more h2{font-size:clamp(2.35rem,4vw,4rem)}
.knowledge-more p{margin:18px 0 28px;color:var(--muted);font-size:1.08rem;line-height:1.65}
.all-book-worlds{min-height:205px;padding:34px;display:flex;flex-direction:column;justify-content:center;border-radius:27px 27px 27px 9px;background:var(--teal-800);color:#fff;text-decoration:none;box-shadow:0 16px 38px rgba(8,63,64,.18);transition:transform .18s ease,background .18s ease}
.all-book-worlds:hover,.all-book-worlds:focus-visible{transform:translateY(-4px);background:var(--teal-900)}
.all-book-worlds span:first-child{margin-bottom:10px;color:#ffe28c;font-size:.79rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.all-book-worlds strong{font:900 1.55rem/1.2 "Nunito",sans-serif}
.all-book-worlds span:last-child{margin-top:20px;font-size:1.35rem}
@media(max-width:1100px){.knowledge-hero{grid-template-columns:1fr;min-height:auto}.knowledge-hero-copy{text-align:center;margin:auto}.knowledge-hero-intro{margin-left:auto;margin-right:auto}.knowledge-hero-covers{min-height:395px}.knowledge-hero-covers img{width:210px;height:315px}.topic-links{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-book-card{grid-template-columns:180px minmax(0,1fr)}.knowledge-cover{min-height:360px;padding:18px}.knowledge-book-copy{padding:27px 23px}}
@media(max-width:900px){.knowledge-grid{grid-template-columns:1fr}.knowledge-book-card{grid-template-columns:230px minmax(0,1fr)}.knowledge-more{grid-template-columns:1fr}.all-book-worlds{min-height:170px}}
@media(max-width:700px){.knowledge-hero{padding:70px 18px}.knowledge-hero h1{font-size:clamp(2.75rem,13vw,4.2rem)}.knowledge-hero .button{width:100%}.knowledge-hero-covers{min-height:300px}.knowledge-hero-covers img{width:155px;height:233px;border-width:5px}.topic-picker,.knowledge-selection,.knowledge-more{padding-left:18px;padding-right:18px}.topic-picker{padding-top:38px;padding-bottom:30px}.topic-picker-heading{margin-bottom:18px}.topic-picker-heading .eyebrow{margin-bottom:8px}.topic-links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.topic-links a{min-height:0;padding:11px 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;box-shadow:none}.topic-links a:hover,.topic-links a:focus-visible{transform:none;box-shadow:0 8px 20px rgba(8,63,64,.1)}.topic-links a>span,.topic-links small{display:none}.topic-links strong{font-size:.95rem;line-height:1.25;text-align:center}.topic-picker+.knowledge-selection{padding-top:42px}.knowledge-group+.knowledge-group{margin-top:58px;padding-top:56px}.knowledge-book-card{grid-template-columns:1fr}.knowledge-cover{min-height:0;padding:28px}.knowledge-cover img{width:min(100%,290px);max-height:none}.knowledge-book-copy{padding:27px 23px}.knowledge-amazon{width:100%}.knowledge-more .button{width:100%}}
@media(max-width:420px){.knowledge-hero-covers img{width:137px;height:205px}.knowledge-hero-covers img:nth-child(1){transform:translate(-91%,-48%) rotate(-9deg)}.knowledge-hero-covers img:nth-child(3){transform:translate(-9%,-46%) rotate(9deg)}.topic-links a{padding:10px 14px}.knowledge-group-heading{align-items:flex-start}.knowledge-cover img{width:min(100%,250px)}}
@media(max-width:700px){.knowledge-books-page .topic-picker{padding-bottom:28px}.knowledge-books-page .topic-picker-heading{margin-bottom:18px}body.knowledge-books-page nav.topic-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:10px}body.knowledge-books-page nav.topic-links a{width:100%;min-height:54px;padding:10px 12px;display:flex;align-items:center;justify-content:center;border-radius:16px;background:var(--cream);text-align:center}body.knowledge-books-page nav.topic-links strong{font-size:.94rem;line-height:1.25}}
@media(max-width:430px){body.knowledge-books-page nav.topic-links{gap:9px}body.knowledge-books-page nav.topic-links a{min-height:58px;padding:9px 10px}}