:root{--ink:#163d39;--teal:#3DB7A7;--pink:#F4A7C3;--paper:#f7f9f7;--line:#ccdad5}*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 Arial,sans-serif}a{color:inherit}button{font:inherit;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #d45a8c;outline-offset:5px}header{position:fixed;z-index:20;top:0;left:0;right:0;min-height:90px;padding:18px 4vw;display:flex;align-items:center;gap:25px;background:rgba(14,38,36,.94);color:#fff;border-bottom:1px solid #ffffff26}header .brand{text-decoration:none;line-height:1.3;margin-right:auto}.brand span{display:block;letter-spacing:5px;font:22px Georgia,serif}.brand small{font-size:10px;letter-spacing:3px}nav{display:flex;gap:25px}nav a{font-size:14px;text-decoration:none}nav a:hover{color:var(--pink)}#motion{color:white;background:transparent;border:1px solid #ffffff60;border-radius:30px;padding:8px 14px;font-size:12px}.skip{position:fixed;top:-80px;background:white;padding:12px;z-index:99}.skip:focus{top:0}.journey{position:relative;background:#0d2d29;color:white}.scene{position:sticky;top:0;height:100svh;overflow:hidden;margin-bottom:-100svh}.leaf{width:100%;height:100%;object-fit:cover;object-position:62% center;transform-origin:69% 48%;will-change:transform}.shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,29,27,.86),rgba(7,29,27,.5) 44%,rgba(7,29,27,.07) 80%)}.lens{position:absolute;left:67%;top:48%;width:30vw;height:30vw;border:1px solid #ffffff50;border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 28px #ffffff05;opacity:0}.scene-rule{position:absolute;right:4vw;bottom:120px;width:1px;height:80px;background:#ffffff65}.scene-caption{position:absolute;right:4vw;bottom:40px;text-align:right;font-size:12px;color:#f0f3ec}.chapter{position:relative;min-height:100svh;display:flex;align-items:center;padding:150px 7vw 110px;pointer-events:none}.chapter-copy{max-width:590px;pointer-events:auto}.kicker{font-size:12px;font-weight:bold;letter-spacing:2.2px;text-transform:uppercase;margin:0 0 25px}h1,h2,h3{font-family:Georgia,serif;font-weight:normal;line-height:1.03;letter-spacing:-2px;margin:0 0 28px}h1{font-size:clamp(58px,6.6vw,105px)}h2{font-size:clamp(44px,5.1vw,78px)}h3{font-size:clamp(33px,3.5vw,51px)}em{font-weight:normal;color:var(--pink)}.chapter p:not(.kicker){max-width:430px;font-size:18px}.chapter p.aside{font-size:13px;line-height:1.6;color:#d8e4dc;max-width:360px;margin-top:25px}.light-link{display:inline-flex;gap:30px;align-items:center;text-decoration:none;border-bottom:1px solid #ffffff65;padding:10px 0;font-size:14px;margin-top:16px}.light-link span{font-size:24px}.chapter-number{position:absolute;bottom:36px;font-size:12px;letter-spacing:3px}.explore{position:relative;padding:100px 7vw 60px;background:var(--paper)}.section-head{max-width:700px}.section-head em,.about em{color:#398274}.section-head>p:last-child{max-width:530px}.topic-tabs{display:grid;grid-template-columns:repeat(3,1fr);margin-top:55px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.topic-tabs button{text-align:left;border:0;background:transparent;color:var(--ink);padding:25px 25px 25px 0;font-size:12px;position:relative}.topic-tabs strong{font:29px Georgia,serif;display:block;margin:8px 0}.topic-tabs span{font-size:14px}.topic-tabs button[aria-selected=true]:after{content:"";position:absolute;left:0;bottom:-1px;width:80%;height:3px;background:var(--teal)}.topic-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:6vw;margin:50px 0}.topic-panel 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p{max-width:650px;margin-left:auto;margin-right:auto}.pill{display:inline-block;background:var(--pink);color:#223733;text-decoration:none;border-radius:50px;padding:15px 25px;margin-top:15px;font-size:15px}.secondary{display:block;margin:22px auto;font-size:14px}footer{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;padding:30px 5vw;gap:15px;font-size:12px}footer p{font-family:Georgia,serif;font-size:16px}footer small{font-size:12px}.reduced .leaf{transform:none!important}.reduced .lens{display:none}.reduced .scene{position:absolute;height:100%;width:100%;margin:0}.reduced .shade{background:rgba(8,33,29,.78)}[hidden]{display:none!important}.page-main{padding:155px 7vw 70px}.page-intro{max-width:780px;margin-bottom:65px}.page-intro em{color:#398274}.feature{display:grid;grid-template-columns:1fr 1fr;gap:6vw;align-items:center;padding:35px 0 60px;border-top:1px solid var(--line)}.feature>img{width:100%;border-radius:2px 90px 2px 2px}.badge{display:inline-block;font-size:12px;border:1px solid #9bb9b1;padding:4px 12px;border-radius:20px;margin-bottom:20px}.formats{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0}.formats button{background:transparent;border:1px solid #8da69f;padding:10px 18px;border-radius:30px;color:var(--ink);font-size:14px}.formats button[aria-pressed=true]{background:var(--ink);color:white}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.product-grid article{border-top:1px solid var(--line);padding:25px 0}.product-grid h3{font-size:28px;letter-spacing:-.7px}.product-grid p{font-size:16px}details{border-top:1px solid var(--line);margin-top:30px;padding:20px 0}summary{cursor:pointer}.school-note{background:#e6efeb;padding:30px;margin:30px 0}.school-note h2{font-size:35px}
@media(max-width:760px){header{gap:8px;padding:12px 5vw;flex-wrap:wrap;min-height:100px}.brand span{font-size:19px}.brand small{font-size:9px}nav{order:3;width:100%;justify-content:space-between;gap:10px}nav a{font-size:13px}#motion{font-size:11px;padding:5px 10px}.chapter{padding:150px 7vw 90px}.chapter-copy{max-width:100%}h1{font-size:58px}h2{font-size:46px}.chapter p:not(.kicker){font-size:16px;max-width:330px}.chapter p.aside{font-size:12px;max-width:290px}.shade{background:linear-gradient(90deg,#082b28e6,#082b28a3 65%,#082b2850)}.leaf{object-position:65% center}.scene-caption{font-size:10px;bottom:23px}.chapter-number{bottom:65px;font-size:10px}.lens{left:70%;width:65vw;height:65vw}.explore{padding:65px 6vw 25px}.topic-tabs{margin-top:30px}.topic-tabs button{padding:15px 7px 18px 0}.topic-tabs strong{font-size:20px}.topic-tabs span{font-size:11px;line-height:1.4;display:block}.topic-panel,.about,.feature{grid-template-columns:1fr;gap:25px}.topic-panel{margin:30px 0}.topic-panel img{height:260px;min-height:0}.topic-panel>div{padding:0}.rigor{grid-template-columns:1fr;gap:15px}.about{padding:45px 7vw}.about img{max-width:400px;margin:auto}.closing{padding:70px 7vw}.page-main{padding:145px 6vw 50px}.product-grid{grid-template-columns:1fr}.page-intro{margin-bottom:40px}footer{padding:25px 7vw}h3{letter-spacing:-1px}}@media(prefers-reduced-motion:reduce){.leaf{transform:none!important}.lens{display:none}}
/* Original Viviaine identity, integrated without an entry overlay. */
header .brand{line-height:0}.header-logo{display:block;width:112px;height:auto;background:#fff;border-radius:4px}.first{gap:5vw}.first .chapter-copy{max-width:55%}.welcome-brand{order:2;position:relative;width:32vw;max-width:440px;margin-left:auto;pointer-events:auto;flex-shrink:0;padding-bottom:70px}.welcome-logo{width:100%;height:auto;display:block;border-radius:8px;box-shadow:0 15px 70px #082b2826}.cat-path{position:absolute;bottom:32px;left:0;width:100%;height:95px;overflow:hidden;pointer-events:none}.cat-traveler{position:absolute;bottom:0;left:calc(100% - 115px);width:115px;height:115px}.welcome-cat{display:block;width:100%;height:100%;background:var(--pink);mask:url('/assets/cat-walk.png') 0 0/400% 200% no-repeat;-webkit-mask:url('/assets/cat-walk.png') 0 0/400% 200% no-repeat}.cat-playing .cat-traveler{animation:welcome-cat-travel 4.48s linear both}.cat-playing .welcome-cat{animation:welcome-cat-frames .64s steps(1,end) 7 both}.cat-replay{position:absolute;right:0;bottom:0;padding:5px 0;background:none;border:0;border-bottom:1px solid #ffffff80;color:white;font-size:12px}.reduced .cat-traveler,.reduced .welcome-cat{animation:none!important}.reduced .cat-replay{display:none}.first .chapter-number{left:7vw}@keyframes welcome-cat-travel{from{left:-115px}to{left:calc(100% - 115px)}}@keyframes welcome-cat-frames{0%,24.99%{-webkit-mask-position:0 0;mask-position:0 0}25%,49.99%{-webkit-mask-position:33.333% 0;mask-position:33.333% 0}50%,74.99%{-webkit-mask-position:66.666% 0;mask-position:66.666% 0}75%,100%{-webkit-mask-position:100% 0;mask-position:100% 0}}@media(max-width:760px){.header-logo{width:84px}.first{flex-direction:column;align-items:flex-start;gap:22px;padding-top:150px}.first .chapter-copy{max-width:100%}.welcome-brand{order:0;width:230px;max-width:70vw;margin:0;padding-bottom:52px}.cat-path{height:65px;bottom:25px}.cat-traveler{width:80px;height:80px;left:calc(100% - 80px)}.cat-replay{font-size:11px}.first h1{font-size:52px}.first .chapter-number{bottom:30px}}@media(prefers-reduced-motion:reduce){.cat-traveler,.welcome-cat{animation:none!important}.cat-replay{display:none}}
/* The leaf journey continues through the three worlds. */
.explore{isolation:isolate;overflow:hidden;background:#102d2c;color:#f4f8f5;padding-top:130px}.world-backdrop{position:absolute;z-index:-2;inset:0;overflow:hidden;background:#102d2c}.world-backdrop img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center;opacity:0;transform:scale(1.12);transition:opacity 1s ease;will-change:transform}.world-backdrop img:first-child{opacity:.4}.world-backdrop::after{content:"";position:absolute;inset:0;background:linear-gradient(#102d2c 0%,#102d2c55 22%,#102d2cbf 58%,#102d2c 100%)}.explore .section-head{position:relative;max-width:800px;padding-bottom:40px}.explore .section-head em{color:var(--pink)}.explore .section-head>p:last-child{color:#d5e5df}.explore .topic-tabs{position:relative;border-color:#e2f4ec55}.explore .topic-tabs button{color:#fff;padding-bottom:28px}.explore .topic-tabs strong{font-size:clamp(24px,3.2vw,46px)}.explore .topic-tabs button[aria-selected=true]:after{background:var(--pink);width:90%}.explore .topic-panel{align-items:center;min-height:620px;padding:40px 0;gap:6vw}.explore .topic-panel img{height:540px;min-height:0;border-radius:48% 48% 3px 3px;box-shadow:0 40px 80px #0007;transform:translateY(var(--world-shift,0px)) scale(1.02);will-change:transform}.explore .topic-panel>div{padding:35px;background:#102d2ce8;border-left:1px solid #f4a7c36b;box-shadow:0 30px 70px #0002}.explore .topic-panel small{color:#c6d9d1}.explore .topic-panel h3{font-size:clamp(36px,3.8vw,58px)}.explore .topic-panel:not([hidden]){animation:world-reveal .65s ease both}.explore .rigor{border-color:#e2f4ec40;position:relative;padding-top:40px;padding-bottom:60px}.about{background:linear-gradient(145deg,#102d2c,#1c4a45);color:#e9f4ee;padding-top:110px;padding-bottom:110px}.about em{color:var(--pink)}.about img{mix-blend-mode:normal;border-radius:8px;box-shadow:0 25px 80px #001b1a70;transform:translateY(var(--about-shift,0px))}.closing{position:relative;background:linear-gradient(#123531b3,#123531d9),url('/assets/frontiers-dimensions.webp') center/cover;min-height:650px;display:flex;flex-direction:column;align-items:center;justify-content:center}.wandering-cat{position:fixed;z-index:18;bottom:12px;left:4vw;right:4vw;height:100px;overflow:hidden;pointer-events:none;opacity:0}.wandering-cat.cat-playing{opacity:.85}.wandering-cat .welcome-cat{filter:drop-shadow(0 2px 3px #082b28)}.reduced .wandering-cat{display:none}.reduced .world-backdrop img,.reduced .topic-panel img,.reduced .about img{transform:none!important}.reduced .topic-panel:not([hidden]){animation:none}@keyframes world-reveal{from{opacity:.55;transform:translateY(16px)}to{opacity:1;transform:none}}@media(max-width:760px){.explore{padding-top:75px}.explore .section-head{padding-bottom:0}.explore .topic-tabs strong{font-size:22px}.explore .topic-panel{padding:15px 0;min-height:0;gap:25px}.explore .topic-panel img{height:340px;width:92%;margin:0 auto}.explore .topic-panel>div{padding:25px 20px}.explore .topic-panel h3{font-size:36px}.about{padding-top:60px;padding-bottom:60px}.closing{min-height:570px}.wandering-cat{bottom:0;height:80px}.wandering-cat .cat-traveler{width:85px;height:85px}.world-backdrop::after{background:linear-gradient(#102d2c,#102d2c99 25%,#102d2cdd 75%,#102d2c)}}@media(prefers-reduced-motion:reduce){.world-backdrop img,.topic-panel img,.about img{transform:none!important;transition:none!important}.explore .topic-panel{animation:none!important}.wandering-cat{display:none}}
/* The same short, replayable approach as the Huellas scenes. */
.explore .topic-panel.is-world-revealing img{animation:home-world-approach 4.2s cubic-bezier(.25,.5,.25,1) both}
#panel-ciencia{--world-pan:-1%}#panel-naturaleza{--world-pan:1%}#panel-consciencia{--world-pan:-.7%}
@keyframes home-world-approach{0%,100%{transform:translateY(var(--world-shift,0px)) scale(1.02) translateX(0)}50%{transform:translateY(var(--world-shift,0px)) scale(1.085) translateX(var(--world-pan,0))}}
.reduced .explore .topic-panel.is-world-revealing img{animation:none!important;transform:none!important}
@media(prefers-reduced-motion:reduce){.explore .topic-panel.is-world-revealing img{animation:none!important;transform:none!important}}
/* A warm welcome and the original four lines of Alquimia Viva. */
.science-welcome{padding:100px 7vw;display:grid;grid-template-columns:1fr 1fr;gap:7vw;background:radial-gradient(ellipse at 0 0,#713d514a,transparent 65%),#102d2c;color:#f3f5ee;border-bottom:1px solid #ffffff20}
.science-welcome h2{font-size:clamp(38px,4.4vw,67px);line-height:1.09;letter-spacing:-1.4px}.science-welcome .kicker{color:#efbbcf;font-size:14px}.science-welcome-copy{max-width:610px}.science-welcome-copy>p:first-child{margin-top:0}.science-welcome-copy>p:nth-child(2){font:25px/1.45 Georgia,serif;color:#f0ccd9}.science-welcome .text-link{font-size:16px}.learning-care{border-top:1px solid #ffffff30;margin-top:28px;padding-top:8px}.learning-care p{font-size:16px}.learning-care strong{display:block;color:#f3c6d8;font-size:18px;margin-bottom:3px}
.pillars-overview{padding:100px 7vw;background:linear-gradient(135deg,#1e4e47,#102d2c 75%);color:#f4f8f5}.pillars-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:6vw;align-items:center;margin-bottom:45px}.pillars-heading p{max-width:540px}.pillars-heading .kicker{font-size:14px}.pillar-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.pillar-card{display:flex;flex-direction:column;background:#fff;color:#163d39;text-decoration:none;border-radius:110px 110px 6px 6px;overflow:hidden;box-shadow:0 18px 36px #0002}.pillar-image{overflow:hidden;aspect-ratio:4/4.5}.pillar-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.4s ease}.pillar-card>div:last-child{padding:25px;display:flex;flex:1;flex-direction:column}.pillar-card h3{font-size:32px;letter-spacing:-1px;margin:10px 0 14px}.pillar-card p{font-size:16px;margin:0 0 25px}.pillar-card .kicker{font-size:14px;letter-spacing:1px;margin:0}.pillar-link{margin-top:auto;font-size:14px;text-decoration:underline;text-underline-offset:5px}.pillar-card:is(:hover,:focus-visible) img{transform:scale(1.09)}.pillar-shortcuts{display:flex;flex-wrap:wrap;gap:20px 36px;margin-top:36px;padding-top:28px;border-top:1px solid #ffffff38}.pillar-shortcuts a{font-size:16px;text-underline-offset:6px}
@media(max-width:1100px){.pillar-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pillar-image{aspect-ratio:4/3}}
@media(max-width:760px){.science-welcome{padding:65px 6vw;grid-template-columns:1fr;gap:15px}.science-welcome h2{font-size:40px}.science-welcome-copy>p:nth-child(2){font-size:23px}.pillars-overview{padding:65px 6vw}.pillars-heading{grid-template-columns:1fr;gap:0;margin-bottom:30px}.pillar-grid{gap:18px}.pillar-card{border-radius:65px 65px 4px 4px}.pillar-card>div:last-child{padding:20px}.pillar-card h3{font-size:29px}header nav{flex-wrap:wrap;gap:8px 15px;justify-content:space-between}header nav a{font-size:14px}}
@media(max-width:480px){.pillar-grid{grid-template-columns:1fr}.pillar-card{border-radius:100px 100px 4px 4px}.pillar-image{aspect-ratio:4/3}.pillar-card>div:last-child{padding:25px}.science-welcome h2{font-size:36px}}
.reduced .pillar-card img{transform:none!important;transition:none!important}
@media(prefers-reduced-motion:reduce){.pillar-card img{transform:none!important;transition:none!important}}