/* Book covers preserve the publication's drawn spine and circular motif. */
.book-cover{position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;gap:16px;min-height:250px;padding:24px 24px 22px;border-left:7px solid #86A667;border-radius:2px 9px 9px 2px;background:#DCE9C8;color:#23281F;box-shadow:8px 8px 0 #23281f0d}
.book-cover:after{content:"";position:absolute;z-index:-1;right:-45px;bottom:38px;width:135px;height:135px;border:1px solid #54784755;border-radius:50%;box-shadow:0 0 0 18px #5478470c,0 0 0 36px #5478470c}
.book-cover-brand{font-size:11px;text-transform:uppercase;letter-spacing:.12em}.book-cover-title{font-size:24px;font-weight:500;line-height:1.22;letter-spacing:-.03em;overflow-wrap:anywhere;margin:auto 0}.book-cover-edition{font-size:12px;line-height:1.5}.book-cover-code{font-size:13px;font-weight:550;letter-spacing:.08em}
.learning-card[data-format="book"]{gap:0}.learning-card .book-cover{margin-bottom:26px;min-height:250px}.learning-card .book-cover-title{font-size:23px}.learning-card .material-links a{min-height:44px;display:inline-flex;align-items:center}
.home-learning .wrap{display:block}.home-learning-heading{display:flex;gap:32px;align-items:center;justify-content:space-between}.home-learning-heading h2{font-size:clamp(34px,4vw,52px)}.learning-features{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}
.learning-feature{border:1px solid #3B4335;border-radius:12px;padding:26px;background:#191D17;min-width:0}.learning-feature h3{font-size:28px;line-height:1.2;margin:18px 0 14px}.learning-feature .feature-meta{font-size:13px;color:#B9FF61;margin:0}.learning-feature p{font-size:17px;line-height:1.6}.learning-feature .button{margin-top:22px;min-height:48px}.featured-book{display:grid;grid-template-columns:minmax(145px,.85fr) minmax(0,1.15fr);gap:28px;align-items:center}.featured-book .book-cover{min-height:300px;padding:24px 20px}.featured-book .book-cover-title{font-size:27px}.overview-player{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#10130F;border-radius:7px;margin-bottom:22px}.video-transcript{display:inline-flex;align-items:center;min-height:44px;color:#F3F1E7;text-underline-offset:4px;font-size:15px}.learning-feature .video-transcript{margin-top:12px}
.footer-site-links{display:flex;flex-wrap:wrap;gap:8px 26px;padding:28px 0;border-bottom:1px solid #3B4335}.footer-site-links a{display:inline-flex;align-items:center;min-height:44px;color:#F3F1E7;font-size:16px;text-decoration:none}.footer-site-links a:hover{color:#B9FF61}.portal-footer .wrap{display:block}.portal-footer .footer-site-links{padding-top:0}.footer-resource-links{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:20px}.footer-resource-links a{min-height:44px;display:inline-flex;align-items:center;font-size:14px;color:#A7B1A1}.portal-footer-label{margin-bottom:8px;color:#A7B1A1;font-size:14px}
.encyclopedia-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;background:#10130F;color:#F3F1E7;padding:60px;border-radius:16px}.encyclopedia-hero .eyebrow{color:#B9FF61}.encyclopedia-hero h1{font-size:clamp(38px,4.5vw,64px);line-height:1.06;margin:25px 0}.encyclopedia-hero h1 em{font-style:normal;color:#B9FF61}.encyclopedia-position{font-size:20px;line-height:1.5;color:#69C9EF;margin:22px 0}.encyclopedia-lead{font-size:19px;line-height:1.65;color:#A7B1A1;margin-bottom:32px}.encyclopedia-hero .button{min-height:50px}
.hybrid-map{position:relative;align-self:center;min-height:425px;border-radius:50%;border:1px solid #3B4335;background:radial-gradient(circle at center,#27331f 0 25%,transparent 25.4%),radial-gradient(circle at center,transparent 0 43%,#3b4335 43.3% 43.5%,transparent 43.8%)}.hybrid-center{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;font-size:21px;line-height:1.25;color:#B9FF61}.hybrid-node{position:absolute;z-index:1;background:#191D17;border:1px solid #889580;border-radius:9px;padding:16px;text-align:center;width:180px}.hybrid-node b{font-weight:500;font-size:22px}.hybrid-node small{display:block;font-size:13px;line-height:1.5;color:#A7B1A1;margin-top:8px}.hybrid-source{top:0;left:0}.hybrid-model{top:0;right:0}.hybrid-expert{bottom:0;left:50%;transform:translateX(-50%);width:220px}
.encyclopedia-section{margin:86px 0}.encyclopedia-section h2,.encyclopedia-atom h2,.encyclopedia-outro h2{font-size:clamp(32px,4vw,50px);line-height:1.12;margin:20px 0}.encyclopedia-section-lead{max-width:760px;font-size:20px;line-height:1.65;color:#535E4D}.analysis-cycle{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 32px;padding:0;margin:36px 0 0}.analysis-cycle li{border-top:1px solid #889580;padding-top:20px}.analysis-cycle li>span{font-size:14px;color:#535E4D}.analysis-cycle h3{font-size:25px;margin:14px 0}.analysis-cycle p{font-size:17px;line-height:1.6;color:#535E4D}
.encyclopedia-atom{display:grid;grid-template-columns:1fr 1fr;gap:56px;background:#23281F;border-radius:16px;padding:54px;color:#F3F1E7}.encyclopedia-atom .eyebrow{color:#B9FF61}.encyclopedia-atom p{font-size:18px;line-height:1.7;color:#A7B1A1}.encyclopedia-atom .button{margin-top:28px}.atom-outline{padding:30px;border:1px solid #889580;border-left:5px solid #B9FF61;border-radius:3px 10px 10px 3px;background:#191D17;align-self:center}.atom-outline .atom-caption{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#B9FF61;margin:0 0 20px}.atom-outline dl{margin:0}.atom-outline dl>div{padding:16px 0;border-top:1px solid #3B4335}.atom-outline dt{font-size:20px;font-weight:500;margin-bottom:8px}.atom-outline dd{font-size:15px;line-height:1.6;color:#A7B1A1;margin:0}
.irrigation-example{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}.irrigation-example .button{margin-top:26px;background:#23281F;color:#F3F1E7}.water-question{border-radius:16px;background:#E0E9DB;padding:36px;text-align:center}.water-question>span:first-child{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#535E4D}.water-question p{font-size:23px;line-height:1.4;margin:18px 0}.water-question strong{display:block;padding:24px 12px;background:#23281F;color:#F3F1E7;border-radius:8px;font-weight:500;font-size:28px}.water-question-arrow{display:block;font-size:32px;color:#426E7D;margin:18px 0}.proof-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:36px}.proof-columns article{border-top:3px solid #23281F;padding-top:20px}.proof-columns span{font-size:13px;color:#535E4D}.proof-columns h3{font-size:25px;margin:16px 0}.proof-columns p{font-size:17px;line-height:1.65;color:#535E4D}.knowledge-status{font-size:16px;line-height:1.7;max-width:850px;padding:22px 26px;background:#FFC85733;border-radius:8px;margin-top:32px;color:#535E4D}.encyclopedia-outro{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;background:#10130F;color:#F3F1E7;padding:54px;border-radius:16px}.encyclopedia-outro .eyebrow{color:#B9FF61}.encyclopedia-outro p{font-size:19px;line-height:1.65;color:#A7B1A1}.encyclopedia-next{display:flex;flex-direction:column;gap:16px;justify-content:center;align-items:stretch}.encyclopedia-next .button{border:1px solid #889580;color:#F3F1E7;text-align:left;min-height:50px}.encyclopedia-next .button.lime{color:#23281F;border-color:#B9FF61}
@media(max-width:1100px){.encyclopedia-hero{padding:40px;gap:30px;grid-template-columns:1.2fr 1fr}.hybrid-map{min-height:360px}.hybrid-node{width:145px;padding:14px}.hybrid-expert{width:190px}.hybrid-node b{font-size:19px}.featured-book{grid-template-columns:1fr}.featured-book .book-cover{width:75%;min-height:260px}.encyclopedia-atom{padding:38px;gap:32px}}
@media(max-width:760px){.home-learning-heading{align-items:flex-start;flex-direction:column;gap:18px}.learning-features{grid-template-columns:1fr;margin-top:28px;gap:20px}.learning-feature{padding:22px}.featured-book{grid-template-columns:1fr;gap:24px}.featured-book .book-cover{width:85%;max-width:250px;min-height:290px;padding:24px 20px;margin:0 auto}.featured-book .book-cover-title{font-size:23px}.learning-feature h3{font-size:25px}.encyclopedia-hero,.encyclopedia-atom,.irrigation-example,.encyclopedia-outro{grid-template-columns:1fr;gap:32px}.encyclopedia-hero,.encyclopedia-atom,.encyclopedia-outro{padding:28px 24px;border-radius:12px}.encyclopedia-hero h1{font-size:38px}.encyclopedia-lead,.encyclopedia-section-lead{font-size:18px}.hybrid-map{min-height:340px;max-width:400px;width:100%;margin:auto}.hybrid-node{width:145px}.hybrid-expert{width:190px}.hybrid-center{font-size:20px}.encyclopedia-section{margin:56px 0}.analysis-cycle{grid-template-columns:1fr 1fr;gap:26px 22px}.analysis-cycle h3{font-size:22px}.analysis-cycle p{font-size:16px}.proof-columns{grid-template-columns:1fr;gap:28px}.atom-outline{padding:24px}.encyclopedia-atom p{font-size:17px}.footer-site-links{gap:4px 22px}.water-question{padding:28px}.encyclopedia-outro p{font-size:18px}}
@media(max-width:380px){.featured-book{grid-template-columns:1fr}.featured-book .book-cover{width:90%;min-height:260px}.hybrid-map{min-height:315px;border:0}.hybrid-node{width:128px;padding:12px 8px}.hybrid-node small{font-size:12px}.hybrid-expert{width:180px}.hybrid-center{font-size:18px}.encyclopedia-hero,.encyclopedia-atom,.encyclopedia-outro{padding:26px 18px}.encyclopedia-hero h1{font-size:33px}.analysis-cycle{grid-template-columns:1fr}}