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.chat-fab{position:fixed;z-index:60;right:22px;bottom:20px;display:flex;padding:7px 15px 7px 7px;border:0;border-radius:999px;color:#fff;background:var(--green);box-shadow:0 16px 40px rgba(21,55,32,.3);align-items:center;gap:9px}.chat-fab img{width:46px;height:46px;padding:3px;border-radius:50%;background:#fff}.chat-fab span,.chat-fab strong,.chat-fab small{display:block;text-align:left}.chat-fab strong{font-size:.82rem}.chat-fab small{color:#d7e4d9;font-size:.61rem}.chat-overlay{position:fixed;z-index:90;inset:0;background:rgba(11,35,19,.4);backdrop-filter:blur(2px)}.chat-panel{position:fixed;z-index:100;right:22px;bottom:20px;display:flex;width:min(390px,calc(100vw - 28px));height:min(640px,calc(100vh - 40px));overflow:hidden;transform:translateY(25px) scale(.96);transform-origin:bottom right;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 28px 85px rgba(11,44,22,.32);opacity:0;pointer-events:none;transition:.23s;flex-direction:column}.chat-panel.open{transform:none;opacity:1;pointer-events:auto}.chat-panel>header{display:flex;padding:14px 16px;color:#fff;background:var(--green);align-items:center;justify-content:space-between}.chat-panel>header>div{display:flex;align-items:center;gap:9px}.chat-panel header img{width:43px;height:43px;padding:3px;border-radius:50%;background:#fff}.chat-panel header span,.chat-panel header strong,.chat-panel header small{display:block}.chat-panel header small{color:#dce8de;font-size:.65rem}.chat-panel header small i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#7be49a}.chat-panel header button{border:0;color:#fff;background:transparent;font-size:1.7rem}.chat-body{display:flex;overflow-y:auto;padding:17px;flex:1;flex-direction:column;gap:10px;background:#f6f9f5}.message{max-width:86%;padding:11px 13px;border-radius:16px;font-size:.86rem}.message.bot{align-self:flex-start;border-bottom-left-radius:4px;background:#fff;box-shadow:0 6px 15px rgba(31,77,46,.07)}.message.user{align-self:flex-end;border-bottom-right-radius:4px;color:#fff;background:var(--green-2)}.message.typing::after{content:"···";letter-spacing:3px;animation:pulse 1s infinite}.chat-quick{display:flex;overflow-x:auto;padding:10px 12px;gap:7px}.chat-quick button{flex:0 0 auto;padding:7px 10px;border:1px solid var(--sage);border-radius:99px;color:var(--green);background:#fff;font-size:.7rem}.chat-form{display:flex;padding:11px;border-top:1px solid var(--line);gap:7px}.chat-form input{width:100%;min-width:0;padding:11px 12px;border:1px solid var(--line);border-radius:12px;outline:none}.chat-form input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(143,175,123,.22)}.chat-form button{display:grid;width:45px;min-width:45px;place-items:center;border:0;border-radius:12px;color:#fff;background:var(--green)}.chat-form svg{width:21px;height:21px}@keyframes pulse{50%{opacity:.35}}

@media(max-width:1080px){.school-logo img{width:165px}.brand-logo img{width:180px}.main-menu>a{display:none}.hero-grid{gap:28px}.hero-copy h1{font-size:clamp(3rem,6vw,4.8rem)}.anemia-infographic{grid-template-columns:130px 1fr}.impact-card{grid-column:1/-1}.proposal-grid{grid-template-columns:1fr}.proposal-copy{max-width:760px}.ingredient-photo{width:min(780px,100%);margin:auto}.method-roadmap{grid-template-columns:repeat(3,1fr);gap:32px 16px}.method-roadmap::before{display:none}.science-wrap{grid-template-columns:1fr}.science-title{max-width:650px}.source-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.container{width:min(100% - 28px,var(--max))}.section-pad{padding-block:76px}.nav-wrap{min-height:70px}.school-logo img{width:132px}.brand-logo img{width:145px}.nav-rule{display:none}.menu-toggle{display:block}.main-menu{position:absolute;top:70px;right:0;left:0;display:none;padding:18px 20px;border-bottom:1px solid var(--line);background:#fffdf9;flex-direction:column;align-items:stretch}.main-menu.open{display:flex}.main-menu>a{display:block;padding:7px}.hero{padding-block:55px 70px}.hero-grid{grid-template-columns:1fr}.hero-copy h1{font-size:clamp(2.85rem,12vw,4.4rem)}.hero-benefits{grid-template-columns:repeat(2,1fr)}.hero-benefits article:nth-child(2){border:0}.hero-art{min-height:500px}.anemia-infographic{grid-template-columns:1fr}.student-figure{display:none}.anemia-flow{flex-direction:column}.anemia-flow i svg{transform:rotate(90deg)}.impact-card{grid-column:auto}.medical-note{align-items:flex-start;flex-wrap:wrap}.text-action{width:100%;margin:0;text-align:left}.proposal-grid{gap:45px}.comparison{grid-template-columns:1fr}.vs{margin:-5px auto}.ingredient-photo>img{height:380px}.pin-a,.pin-b,.pin-c{left:8px}.pin-d,.pin-e,.pin-f{right:8px}.research-details{grid-template-columns:1fr}.research-details article+article{padding-top:16px;padding-left:0;border-top:1px solid var(--line);border-left:0}.science-flow{display:grid;grid-template-columns:1fr auto 1fr}.science-flow article{min-width:0}.science-flow>i:nth-of-type(2){display:none}.ingredient-orbit{grid-template-columns:1fr 1fr;grid-template-areas:"cookie cookie" "oat orange" "quinoa egg" "seeds honey"}.central-cookie{min-height:400px}.prep-timeline{grid-template-columns:repeat(2,1fr);gap:28px 12px}.prep-timeline::before{display:none}.prep-gallery{grid-template-columns:1fr}.prep-gallery img{height:250px}.result-cards,.conclusion-cards{grid-template-columns:1fr 1fr}.member-cards{grid-template-columns:repeat(2,1fr)}.team-heading{align-items:flex-start;flex-direction:column}.sources-grid{grid-template-columns:1fr}.site-footer .container{padding-block:25px;grid-template-columns:1fr;justify-items:center}.site-footer p{text-align:center}}
@media(max-width:500px){.school-logo img{width:104px}.brand-logo img{width:118px}.nav-wrap{gap:8px}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .btn{width:100%}.hero-benefits article{border:0}.hero-art{min-height:420px}.hero-photo{inset:50px 12px 25px 30px}.hero-badge{top:22px;right:0}.nutrient-card{right:0;bottom:28px}.student-card{display:none}.floating-icon{display:none}.method-roadmap{grid-template-columns:1fr 1fr}.method-icon{width:86px;height:86px}.science-flow{grid-template-columns:1fr}.science-flow>i{transform:rotate(90deg);margin:auto}.science-flow>i:nth-of-type(2){display:block}.ingredient-orbit{grid-template-columns:1fr;grid-template-areas:"cookie" "oat" "quinoa" "seeds" "orange" "egg" "honey"}.central-cookie{min-height:350px}.ingredient-card{padding:18px}.prep-timeline{grid-template-columns:1fr 1fr}.result-cards,.conclusion-cards,.member-cards,.source-cards{grid-template-columns:1fr}.evidence-note{align-items:flex-start}.chat-fab{right:12px;bottom:12px;padding:7px}.chat-fab span{display:none}.chat-panel{right:7px;bottom:7px;width:calc(100vw - 14px);height:calc(100vh - 14px)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
.nutrient-card{top:118px;right:-4px;bottom:auto}
@media(max-width:500px){.nutrient-card{top:100px;right:0;bottom:auto}}

/* Juego educativo */
.btn-game{border-color:var(--orange);color:#fff;background:var(--orange)}.btn-game:hover{border-color:#dc6812;background:#dc6812;box-shadow:0 12px 26px rgba(244,123,32,.2);transform:translateY(-2px)}.main-menu .nav-game-link{color:var(--orange)}
.game-promo{overflow:hidden;background:#fffdf9}.game-promo-card{position:relative;display:grid;overflow:hidden;padding:55px 62px;border-radius:32px;color:#fff;background:linear-gradient(125deg,var(--green-3),var(--green));box-shadow:0 24px 65px rgba(20,66,37,.18);grid-template-columns:1.2fr .8fr;align-items:center;gap:40px}.game-promo-card::before{position:absolute;right:-80px;bottom:-130px;width:390px;height:390px;content:"";border:2px dashed rgba(255,255,255,.18);border-radius:50%}.game-promo-copy{position:relative;z-index:2}.game-promo h2{max-width:650px;margin:0 0 14px;color:#fff;font-size:clamp(2.2rem,4.5vw,4rem);line-height:1;letter-spacing:-.045em}.game-promo p{max-width:650px;margin:0 0 25px;color:#d4e2d6}.game-promo-art{position:relative;z-index:2;display:grid;min-height:290px;place-items:center}.game-promo-art img{width:230px;filter:drop-shadow(0 25px 24px rgba(0,0,0,.18))}.game-promo-art>span{position:absolute;top:5px;right:15%;font-size:3rem;transform:rotate(12deg)}.game-promo-art b,.game-promo-art small{position:absolute;right:0;padding:9px 13px;border-radius:12px;color:var(--green);background:#fff;box-shadow:0 12px 25px rgba(0,0,0,.14)}.game-promo-art b{bottom:55px;font-size:1rem}.game-promo-art small{bottom:17px;font-size:.66rem}
@media(max-width:760px){.game-promo-card{padding:40px 28px;grid-template-columns:1fr}.game-promo-art{min-height:250px}.game-promo-art img{width:205px}}
@media(max-width:500px){.game-promo-card{padding:34px 20px;border-radius:24px}.game-promo .btn{width:100%}.game-promo-art{min-height:220px}.game-promo-art img{width:175px}}

/* Mural de visitantes */
.guestbook{background:linear-gradient(180deg,#fffdf9,#f4f8f1)}.guestbook-layout{display:grid;grid-template-columns:.82fr 1.18fr;align-items:start;gap:30px}.guestbook-form,.guestbook-wall{padding:27px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 16px 38px rgba(31,77,46,.07)}.guestbook-form{position:relative;display:grid;gap:9px}.guestbook-form-title{display:flex;margin-bottom:10px;align-items:center;gap:11px}.guestbook-form-title>span{display:grid;width:48px;height:48px;place-items:center;border-radius:15px;background:var(--cream);font-size:1.45rem}.guestbook-form-title strong,.guestbook-form-title small{display:block}.guestbook-form-title strong{color:var(--green);font-size:1rem}.guestbook-form-title small{color:var(--muted);font-size:.66rem}.guestbook-form>label,.guestbook-form legend{color:var(--green);font-size:.72rem;font-weight:900}.guestbook-form input[type="text"],.guestbook-form input:not([type]),.guestbook-form textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:#fff;font:inherit;font-size:.82rem;outline:none}.guestbook-form textarea{min-height:120px;resize:vertical}.guestbook-form input:focus,.guestbook-form textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(143,175,123,.2)}.guestbook-form fieldset{min-width:0;margin:5px 0;padding:0;border:0}.reaction-options{display:grid;margin-top:7px;grid-template-columns:repeat(3,1fr);gap:6px}.reaction-options label{cursor:pointer}.reaction-options input{position:absolute;opacity:0;pointer-events:none}.reaction-options span{display:flex;min-height:58px;padding:9px;border:1px solid var(--line);border-radius:11px;align-items:center;justify-content:center;color:var(--green);background:#fffdf9;font-size:.64rem;font-weight:900;text-align:center}.reaction-options input:checked+span{border-color:var(--green);color:#fff;background:var(--green)}.reaction-options input:focus-visible+span{box-shadow:0 0 0 3px rgba(244,123,32,.28)}.message-count{margin-top:-4px;color:var(--muted);font-size:.62rem;text-align:right}.guest-honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.guest-consent{display:flex!important;margin:5px 0;align-items:flex-start;gap:8px;color:var(--muted)!important;font-weight:700!important}.guest-consent input{margin-top:3px;accent-color:var(--green)}.guestbook-form button:disabled{cursor:not-allowed;opacity:.55}.guestbook-status{min-height:20px;margin:0;color:var(--muted);font-size:.72rem;font-weight:800}.guestbook-status.success{color:var(--green)}.guestbook-status.error{color:#a44233}.guestbook-wall{min-height:505px}.guestbook-wall-head{display:flex;margin-bottom:17px;align-items:center;justify-content:space-between;gap:15px}.guestbook-wall-head span,.guestbook-wall-head strong{display:block}.guestbook-wall-head>div>span{color:var(--orange);font-size:.66rem;font-weight:900;text-transform:uppercase}.guestbook-wall-head strong{color:var(--green);font-size:1.2rem}.guestbook-count{display:grid;width:42px;height:42px;place-items:center;border-radius:50%;color:#fff;background:var(--orange);font-weight:900}.guestbook-entries{display:grid;grid-template-columns:1fr 1fr;gap:10px}.guest-entry{min-height:170px;padding:16px;border:1px solid var(--line);border-radius:16px;background:#fffdf9}.guest-entry>div{display:flex;align-items:center;gap:8px}.guest-entry-emoji{display:grid;width:37px;height:37px;min-width:37px;place-items:center;border-radius:11px;background:var(--sage-soft);font-size:1.1rem}.guest-entry strong,.guest-entry small{display:block}.guest-entry strong{color:var(--green);font-size:.78rem}.guest-entry small{color:var(--muted);font-size:.58rem}.guest-entry time{margin-left:auto;color:#8a958e;font-size:.55rem}.guest-entry p{margin:14px 0 0;color:var(--muted);font-size:.75rem}.guestbook-loading,.guestbook-empty{grid-column:1/-1;display:grid;min-height:300px;place-items:center;border:1px dashed var(--sage);border-radius:17px;color:var(--muted);background:#fbfdf9;font-size:.78rem;text-align:center}.guestbook-admin-link{display:block;margin-top:14px;color:#8a958e;font-size:.59rem;text-align:right}
@media(max-width:900px){.guestbook-layout{grid-template-columns:1fr}.guestbook-form,.guestbook-wall{width:min(700px,100%);margin:auto}}
@media(max-width:560px){.guestbook-form,.guestbook-wall{padding:19px;border-radius:19px}.reaction-options{grid-template-columns:1fr}.reaction-options span{min-height:44px}.guestbook-entries{grid-template-columns:1fr}.guest-entry{min-height:auto}.guestbook-wall{min-height:420px}.guestbook-loading,.guestbook-empty{min-height:230px}}

/* Interactive infographic controls */
.ingredient-photo figcaption .pin{position:absolute;padding:8px 14px;border:1px solid var(--line);border-radius:10px;color:var(--green);background:#fff;box-shadow:0 10px 24px rgba(30,60,38,.12);font-size:.75rem;font-weight:900;transition:.2s}.ingredient-photo figcaption .pin:hover,.ingredient-photo figcaption .pin.active{border-color:var(--orange);color:#fff;background:var(--orange);transform:translateY(-2px)}.hotspot-detail{position:absolute;right:50%;bottom:18px;z-index:3;width:min(330px,calc(100% - 32px));padding:14px 17px;transform:translateX(50%);border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.95);box-shadow:0 15px 35px rgba(30,60,38,.16);backdrop-filter:blur(10px)}.hotspot-detail span,.hotspot-detail strong{display:block}.hotspot-detail span{color:var(--orange);font-size:.61rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.hotspot-detail strong{margin:3px 0;color:var(--green);font-size:.9rem}.hotspot-detail p{margin:0;color:var(--muted);font-size:.72rem}.hotspot-detail .text-action{margin:6px 0 0;padding:0}
.method-roadmap article{cursor:pointer;outline:none;transition:.22s}.method-roadmap article:hover,.method-roadmap article[aria-pressed="true"]{transform:translateY(-7px)}.method-roadmap article[aria-pressed="true"] .method-icon{border-color:var(--orange);background:#fff4e8;box-shadow:0 14px 30px rgba(244,123,32,.16)}.method-roadmap article:focus-visible{border-radius:18px;box-shadow:0 0 0 3px rgba(244,123,32,.35)}.method-detail{display:flex;margin-top:30px;padding:23px 26px;border:1px solid var(--line);border-radius:21px;align-items:center;justify-content:space-between;background:#fff;box-shadow:0 12px 28px rgba(31,77,46,.06);gap:30px}.method-detail>div{max-width:780px}.method-detail span,.method-detail strong{display:block}.method-detail span{color:var(--orange);font-size:.64rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.method-detail strong{margin:3px 0;color:var(--green);font-size:1.15rem}.method-detail p{margin:0;color:var(--muted);font-size:.82rem}.method-detail .btn{min-width:210px}
.nutrient-filter{display:flex;margin:-18px auto 42px;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px}.nutrient-filter>span{margin-right:5px;color:var(--muted);font-size:.74rem;font-weight:800}.nutrient-filter button{padding:8px 13px;border:1px solid var(--sage);border-radius:999px;color:var(--green);background:#fff;font-size:.72rem;font-weight:900;transition:.2s}.nutrient-filter button:hover,.nutrient-filter button.active{border-color:var(--green);color:#fff;background:var(--green);transform:translateY(-1px)}.ingredient-card{transition:opacity .25s,transform .25s,box-shadow .25s}.ingredient-card.filtered-out{opacity:.24;transform:scale(.96)}.ingredient-card.filtered-match{border-color:var(--orange);box-shadow:0 15px 35px rgba(244,123,32,.14);transform:translateY(-5px)}.section-context{display:flex;width:min(620px,100%);margin:35px auto 0;padding:13px 14px 13px 20px;border:1px solid var(--line);border-radius:17px;align-items:center;justify-content:space-between;background:#fff;gap:15px}.section-context span{color:var(--green);font-size:.83rem;font-weight:900}.section-context .btn{min-height:42px;padding:7px 14px;font-size:.73rem}
.recipe-tools{display:grid;margin:-15px 0 42px;padding:20px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 12px 28px rgba(31,77,46,.06);grid-template-columns:1fr 1fr;gap:30px}.recipe-progress>div:first-child{display:flex;align-items:center;justify-content:space-between}.recipe-progress span,.bake-timer span{color:var(--muted);font-size:.7rem;font-weight:800}.recipe-progress strong{color:var(--green);font-size:.76rem}.progress-track{overflow:hidden;height:8px;margin:10px 0;border-radius:99px;background:var(--sage-soft)}.progress-track i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--green),var(--orange));transition:width .3s}.recipe-reset,.timer-toggle,.timer-reset,.timer-presets button{padding:6px 10px;border:1px solid var(--line);border-radius:9px;color:var(--green);background:#fff;font-size:.66rem;font-weight:900}.recipe-reset:hover,.timer-reset:hover{border-color:var(--orange)}.bake-timer{display:flex;align-items:center;justify-content:flex-end;gap:8px}.bake-timer>div:first-child{margin-right:auto}.timer-display{display:block;color:var(--green);font-size:1.25rem!important;line-height:1}.timer-presets{display:flex;gap:4px}.timer-presets button.active,.timer-toggle{border-color:var(--green);color:#fff;background:var(--green)}.prep-timeline li{cursor:pointer;outline:none;transition:.22s}.prep-timeline li>span{display:block;margin-top:10px;color:var(--green);font-size:.61rem;font-weight:900}.prep-timeline li:hover{transform:translateY(-4px)}.prep-timeline li:focus-visible{border-radius:14px;box-shadow:0 0 0 3px rgba(244,123,32,.35)}.prep-timeline li.completed{opacity:.66}.prep-timeline li.completed b{background:var(--green)}.prep-timeline li.completed .prep-icon{border-color:var(--green);background:var(--sage-soft)}.prep-timeline li.completed>span{color:var(--orange)}.evidence-note .text-action{margin-left:auto;white-space:nowrap}
@media(max-width:760px){.method-detail{align-items:flex-start;flex-direction:column}.method-detail .btn{width:100%}.recipe-tools{grid-template-columns:1fr}.bake-timer{justify-content:flex-start;flex-wrap:wrap}.bake-timer>div:first-child{width:100%}.hotspot-detail{bottom:12px}.section-context{align-items:stretch;flex-direction:column}.section-context .btn{width:100%}.evidence-note{align-items:flex-start;flex-wrap:wrap}.evidence-note .text-action{width:100%;margin:0;text-align:left}}
@media(max-width:500px){.nutrient-filter{justify-content:flex-start}.nutrient-filter>span{width:100%}.recipe-tools{padding:16px}.timer-presets{width:100%}.timer-presets button{flex:1}.timer-toggle,.timer-reset{flex:1}}
.chat-panel .chat-status{display:inline}.chat-panel header small.offline i{background:#f0b35d}.chat-panel header small.online i{background:#7be49a}