:root{--navy:#001b49;--gold:#f4b400;--ink:#0a173b;--muted:#525c72;--line:#e8edf4;--light:#f5f7fa}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:white;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #3f86db;outline-offset:4px}img{max-width:100%;display:block;object-fit:cover}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12;letter-spacing:-.035em}h1{font-size:clamp(2.4rem,4vw,3.7rem);margin-bottom:22px}h2{font-size:clamp(1.9rem,3vw,2.65rem);margin-bottom:20px}h3{font-size:1.1rem}p{color:var(--muted)}.container{width:min(1240px,88%);margin:auto}.header{background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:100px;gap:25px}.logo{width:230px;height:auto;object-fit:contain}.nav nav{display:flex;gap:32px;align-items:center;font-size:.93rem}.nav nav>a:not(.button):hover{color:#a77100}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;background:var(--gold);color:var(--navy);border:1px solid var(--gold);border-radius:7px;padding:14px 24px;font-weight:700;font-size:.94rem;line-height:1.4;transition:background .2s,transform .2s}.button:hover{background:#ffd04e;transform:translateY(-1px)}.button.outline{background:transparent;border-color:var(--navy)}.button.outline:hover{background:#e9eef7}.button.small{padding:12px 23px}.menu-toggle{display:none;border:0;background:none;font-size:1.7rem;color:var(--navy)}.eyebrow{font-size:.76rem;letter-spacing:.22em;color:var(--navy);font-weight:600;margin-bottom:16px}.hero{background:linear-gradient(120deg,#fafbfd,#edf1f7)}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;min-height:540px;gap:35px}.hero-copy{padding:48px 0 30px}.hero-copy>p:not(.eyebrow){font-size:1.18rem;max-width:550px;min-height:60px}.hero-copy h1{min-height:195px}.actions{display:flex;flex-wrap:wrap;gap:12px}.hero-visual{position:relative;align-self:stretch;margin-right:0;min-width:0;overflow:hidden}.hero-visual img{height:100%;width:100%;object-position:50% 50%;min-height:540px}.corner{position:absolute;right:-40px;top:22px;width:210px;height:30px;background:var(--gold);transform:rotate(45deg)}.slider-controls{display:flex;align-items:center;gap:17px;margin-top:32px;font-size:.8rem}.slider-controls>button{border:1px solid #dce3ee;background:white;color:var(--navy);border-radius:50%;height:31px;width:31px;font-size:1.15rem}.dots{display:flex;gap:10px}.dots button{padding:0;width:9px;height:9px;border:0;border-radius:50%;background:#a8afbc}.dots button[aria-pressed=true]{background:var(--gold)}.section{padding-top:54px;padding-bottom:54px}.gold-line{width:48px;height:4px;background:var(--gold);margin:-6px 0 25px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:23px}.product-card{display:grid;grid-template-columns:1.25fr 1fr;border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:9px;overflow:hidden;box-shadow:0 4px 16px #001b4906}.product-card>div{padding:24px 16px 22px 20px;display:flex;flex-direction:column;align-items:flex-start}.product-card h3{font-size:1.08rem;letter-spacing:-.03em;margin-bottom:5px}.product-card .category{color:var(--navy);font-size:.86rem;margin-bottom:16px}.product-card p{font-size:.9rem;line-height:1.45}.product-card a{font-weight:700;font-size:.85rem;margin-top:auto;padding-top:9px}.product-card a span{margin-left:15px}.product-card img{height:100%;min-height:238px;width:100%}.platform-intro{margin-top:30px}.platform-intro .eyebrow{margin-bottom:5px}.platform-intro p{font-size:.93rem}.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.platform{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:9px;padding:19px 16px;transition:box-shadow .2s}.platform:hover{box-shadow:0 8px 22px #001b4912}.platform-icon{font-size:1.8rem;line-height:1}.platform h3{font-size:.95rem;margin:0 0 4px}.platform p{font-size:.78rem;line-height:1.3;margin:0}.platform>span:last-child{margin-left:auto}.about{background:var(--light);padding:45px 0}.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:65px;align-items:center}.about h2{font-size:2rem;margin-bottom:0}.about p{margin-bottom:14px}.text-link{font-weight:700;font-size:.93rem}.contact{background:linear-gradient(120deg,#002553,var(--navy));color:white;padding:37px 0}.contact-intro{display:flex;justify-content:space-between;align-items:center;gap:30px}.contact h2{font-size:2rem;margin-bottom:7px}.contact p{color:#d3ddec;margin:0}.contact .eyebrow{color:var(--gold);font-size:.7rem;margin-bottom:10px}.contact .button{flex-shrink:0}.footer{background:var(--navy);color:white;border-top:1px solid #ffffff30;padding:22px 0 14px}.footer-row{display:flex;gap:25px;align-items:center;flex-wrap:wrap;font-size:.75rem}.footer-row img{width:160px;height:auto;border-radius:3px}.footer-row p{color:white;margin:0;margin-right:auto}.social-links{display:flex;gap:15px}.copyright{color:#b8c7db;font-size:.7rem;margin-top:15px}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px;padding-top:25px;border-top:1px solid #ffffff30}.contact-form[hidden]{display:none}.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:.9rem}.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:12px;border-radius:5px;border:1px solid #d5dce8;color:var(--ink);background:white}.full{grid-column:1/-1}.contact-form .consent{display:flex;flex-direction:row;align-items:center;margin-bottom:15px}.consent input{width:auto}.consent a{text-decoration:underline}.contact-form #form-status{margin-top:12px}.whatsapp{position:fixed;bottom:23px;right:23px;background:#148b46;color:white;padding:13px 20px;border-radius:40px;font-weight:bold;box-shadow:0 3px 16px #0003;z-index:25}.detail-hero{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding-top:55px;padding-bottom:55px}.detail-hero img{width:100%;height:400px;border-radius:12px}.detail-hero h1{font-size:3rem}.breadcrumb{font-size:.85rem;display:block;margin-bottom:30px}.lead{font-size:1.4rem;color:var(--navy)}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px}.feature{background:var(--light);padding:25px;border-radius:9px;border-top:3px solid var(--gold)}.feature span{color:#8b6920;font-size:.85rem}.feature h3{margin-top:22px;line-height:1.3}.next-step{margin-top:50px;padding:35px;background:var(--light);border-radius:10px}.next-step h2{font-size:1.9rem}.legal{max-width:900px}.legal h1{font-size:2.5rem}.legal h2{font-size:1.4rem;margin-top:30px}.skip{position:fixed;top:-100px;left:20px;background:white;padding:15px;z-index:100}.skip:focus{top:10px}@media(min-width:1450px){.hero-copy h1{min-height:200px}}@media(max-width:1100px){.nav nav{gap:18px}.logo{width:195px}.hero-grid{gap:25px}.hero-copy h1{font-size:2.8rem}.product-grid{gap:15px}.product-card{grid-template-columns:1.4fr 1fr}.product-card>div{padding:19px 12px}.platform-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){html{scroll-padding-top:80px}.container{width:90%}.nav{min-height:78px}.logo{width:175px}.menu-toggle{display:block}.nav nav{display:none;position:absolute;top:78px;left:0;right:0;background:white;box-shadow:0 10px 12px #001b4914;padding:22px 5%;align-items:stretch;gap:19px}.nav nav.open{display:flex;flex-direction:column}.hero-grid{display:flex;flex-direction:column;gap:0}.hero-copy{padding:30px 0 20px;width:100%}.hero-copy h1{font-size:clamp(2rem,7.8vw,3rem);min-height:0;margin-bottom:14px;max-width:560px}.hero-copy>p:not(.eyebrow){font-size:1rem;min-height:0}.eyebrow{font-size:.66rem;letter-spacing:.17em}.actions{gap:10px;flex-direction:column}.button{padding:12px 17px;font-size:.88rem}.slider-controls{margin-top:20px}.hero-visual{width:100%;margin:0;height:235px;align-self:center}.hero-visual img{min-height:0;height:235px;object-position:center 48%}.corner{width:150px;height:20px}.section{padding-top:34px;padding-bottom:34px}h2{font-size:1.85rem}.product-grid{grid-template-columns:1fr;gap:15px}.product-card{grid-template-columns:1.6fr 1fr}.product-card img{min-height:190px;max-height:230px}.product-card>div{padding:21px}.product-card h3{font-size:1.05rem}.platform-grid{grid-template-columns:1fr;gap:10px}.platform{padding:16px}.platform h3{font-size:.95rem}.platform p{font-size:.82rem}.about-grid{grid-template-columns:1fr;gap:18px}.about{padding:32px 0}.about h2{font-size:1.75rem}.contact{padding:29px 0}.contact-intro{align-items:stretch;flex-direction:column;gap:20px}.contact h2{font-size:1.65rem}.contact p{font-size:.9rem}.footer-row{gap:17px}.footer-row p{width:calc(100% - 185px);font-size:.68rem}.footer-row img{width:155px}.copyright{margin-top:20px}.contact-form{grid-template-columns:1fr}.full{grid-column:auto}.whatsapp{bottom:20px;right:15px;font-size:.8rem;padding:11px 15px}.detail-hero{grid-template-columns:1fr;padding-top:30px;padding-bottom:30px;gap:26px}.detail-hero h1{font-size:2.35rem}.detail-hero img{height:240px}.feature-grid{grid-template-columns:1fr 1fr;gap:12px}.feature{padding:18px}.feature h3{font-size:.97rem}.next-step{padding:24px}.legal h1{font-size:2rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Balanced centered composition: identical left and right page gutters. */
.hero-grid>*{min-width:0}.product-grid>*{min-width:0}.hero-visual{max-width:100%}.hero-copy{overflow-wrap:break-word}

/* v3: fluid width and mobile quick navigation */
.container{width:calc(100% - clamp(32px,6vw,144px));max-width:1920px;margin-inline:auto}
.hero-grid{gap:clamp(28px,4vw,76px)}
.hero-copy h1{max-width:720px}
.hero-copy>p:not(.eyebrow){max-width:650px}
.hero-visual img{max-height:650px}
.about-grid>div:last-child{max-width:850px}
.product-card>div{padding:clamp(18px,1.6vw,30px)}
.mobile-bottom-nav{display:none}
.legal.container{max-width:900px}
@media(min-width:1600px){.hero-grid{min-height:590px}.hero-visual img{min-height:590px}.hero-copy h1{font-size:clamp(3.7rem,3.8vw,4.6rem)}.product-card{grid-template-columns:1.2fr 1fr}.product-card h3{font-size:1.25rem}.product-card p{font-size:1rem}.product-card img{min-height:270px}}
@media(max-width:760px){
.container{width:calc(100% - 32px)}
body{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
.hero-grid{gap:0}.hero-visual{width:100%;margin:0;border-radius:8px 8px 0 0}.hero-visual img{min-height:0}
.product-card>div{padding:18px}.product-card{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid #dfe6f0;box-shadow:0 -5px 22px #001b4910;padding:7px 8px calc(7px + env(safe-area-inset-bottom,0px))}
.mobile-bottom-nav a{min-height:54px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;color:#52617a;font-size:.69rem;font-weight:600;border-radius:8px}
.mobile-bottom-nav a:hover,.mobile-bottom-nav a[aria-current]{color:var(--navy);background:#fff5d7}
.mobile-bottom-nav a[aria-current] svg{stroke:#b27f00}
.whatsapp{bottom:calc(92px + env(safe-area-inset-bottom,0px))}
.contact-form{scroll-margin-bottom:100px}
}

/* Buró Escolar product presentation */
.buro-hero{background:linear-gradient(115deg,#f5f7fb,#fff);padding:40px 0 50px}.buro-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(28px,5vw,90px);align-items:center}.buro-brand{background:#fff;display:inline-flex;padding:18px 22px;border:1px solid var(--line);border-radius:9px;margin-bottom:24px}.buro-brand img{width:230px;height:auto;object-fit:contain}.buro-hero h1{font-size:clamp(2.2rem,3.4vw,3.8rem);max-width:850px}.buro-hero .lead{font-size:1.3rem}.buro-visual{border-radius:14px;overflow:hidden;background:var(--navy);box-shadow:0 18px 45px #001b4918}.buro-visual>img{width:100%;height:350px;object-fit:cover}.buro-caption{padding:28px;color:#fff;border-top:4px solid var(--gold)}.buro-caption span{font-size:.7rem;letter-spacing:.18em;color:var(--gold)}.buro-caption strong{display:block;font-size:1.8rem;margin-top:8px}.buro-caption p{color:#d3ddec;margin:10px 0 0}.buro-sections{display:flex;gap:28px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-block:20px;font-size:.9rem;font-weight:700}.buro-sections a:hover{color:#9b7000}.buro-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin-top:32px}.buro-panel{padding:28px;border:1px solid var(--line);border-top:3px solid var(--gold);border-radius:9px}.step{font-size:.73rem;letter-spacing:.12em;color:#7d5c00}.buro-panel h3{font-size:1.35rem;margin-top:22px}.buro-panel p{margin-bottom:0}.buro-tint{background:var(--light)}.buro-functions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:30px}.buro-functions article{background:white;padding:25px;border-radius:9px}.function-number{color:#917000;font-size:.8rem}.buro-functions h3{margin-top:20px;font-size:1.15rem}.buro-functions p{font-size:.95rem;margin-bottom:0}.buro-benefits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:30px}.buro-benefits article{padding:32px;background:var(--light);border-radius:10px}.buro-benefits h3{font-size:1.6rem}.buro-benefits ul{padding-left:22px;color:var(--muted);margin-bottom:25px}.buro-benefits li{padding:5px 0}.buro-privacy{padding:48px 0;background:#edf2f8}.buro-privacy h2{font-size:2rem}.buro-closing{text-align:center}.buro-closing p:not(.eyebrow){max-width:820px;margin:0 auto 25px}.buro-closing h2{line-height:1.25}@media(max-width:1000px){.buro-functions{grid-template-columns:repeat(2,minmax(0,1fr))}.buro-three{gap:15px}.buro-panel{padding:22px}}@media(max-width:760px){.buro-hero{padding:25px 0 32px}.buro-hero-grid{grid-template-columns:1fr}.buro-brand img{width:210px}.buro-hero .lead{font-size:1.1rem}.buro-hero .actions{align-items:stretch}.buro-visual>img{height:230px}.buro-caption{padding:22px}.buro-caption strong{font-size:1.5rem}.buro-sections{gap:10px 22px;font-size:.85rem}.buro-three,.buro-benefits{grid-template-columns:1fr}.buro-functions{gap:12px}.buro-functions article{padding:18px}.buro-functions h3{font-size:1rem}.buro-functions p{font-size:.87rem}.buro-benefits article{padding:24px}.buro-privacy{padding:32px 0}.buro-privacy h2{font-size:1.7rem}}

/* TuEdu360: preserve supplied brand colors and proportions. */
.tuedu-page .buro-brand img{width:320px;max-width:100%;height:auto}.tuedu-page .buro-brand{max-width:100%}.tuedu-page .buro-hero h1{font-size:clamp(2.2rem,3.25vw,3.7rem)}@media(max-width:760px){.tuedu-page .buro-brand img{width:270px}.tuedu-page .buro-brand{padding:14px}.tuedu-page .buro-hero h1{font-size:2.2rem}}

/* Nudo Oración: calm product presentation with original logo. */
.nudo-page .buro-brand{max-width:100%;background:#fff}.nudo-page .buro-brand img{width:400px;height:auto;max-width:100%}.nudo-page .buro-hero{background:linear-gradient(120deg,#f3f7f4,#fffdf7)}.nudo-page h1{font-size:clamp(2.2rem,3.3vw,3.8rem)}.nudo-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.nudo-badges span{background:#e7efe9;color:#20483b;font-size:.82rem;border-radius:30px;padding:7px 14px}.nudo-reflection{padding:clamp(25px,4vw,65px);border-radius:18px;background:#fff;box-shadow:0 15px 55px #173d3012;border:1px solid #e5eade;border-top:4px solid #ad8736}.nudo-reflection h2{color:#183b30;font-family:Georgia,serif;font-size:2.5rem}.nudo-emotions{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0}.nudo-emotions span{background:#f4f2eb;padding:9px 15px;border-radius:30px;font-size:.9rem;color:#385247}.nudo-path{padding:16px 0;border-block:1px solid #e5eade;margin-bottom:25px}.nudo-path p{display:flex;align-items:center;gap:14px;margin:14px 0;color:#25473a}.nudo-path span{color:#987527;font-size:.8rem}.nudo-note{font-family:Georgia,serif;font-size:1.25rem}.nudo-purpose{background:#edf3ee;padding:50px 0}.nudo-purpose h2{font-size:2rem}.nudo-page .buro-tint{background:#f7f8f4}@media(max-width:760px){.nudo-page .buro-brand img{width:290px}.nudo-reflection{padding:25px}.nudo-reflection h2{font-size:2rem}.nudo-page h1{font-size:2.2rem}.nudo-purpose{padding:32px 0}.nudo-purpose h2{font-size:1.75rem}}

/* FeUniversal product presentation */
.fe-page .buro-brand{max-width:100%;padding:12px 18px}.fe-page .buro-brand img{width:440px;height:auto;max-width:100%}.fe-page .buro-hero{background:linear-gradient(120deg,#f5f3fa,#fff)}.fe-community{background:linear-gradient(140deg,#f5f0fa,#eef2fb);border:1px solid #e7e0f0;border-top:4px solid #684195;padding:clamp(24px,3vw,50px);border-radius:16px}.fe-community h2{font-size:2.4rem}.fe-community-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.fe-community-grid>div{background:#ffffffb3;border-radius:9px;padding:20px}.fe-community-grid span{color:#775399;font-size:.8rem}.fe-community-grid h3{margin-top:18px;font-size:1.15rem}.fe-community-grid p{font-size:.95rem;margin-bottom:0}.fe-plans article{border-top:3px solid #725097}.fe-benefit-band{margin-top:26px;padding:30px;background:#f3f0f8;border-radius:10px;display:flex;align-items:center;gap:35px;justify-content:space-between}.fe-benefit-band h3{font-size:1.35rem}.fe-benefit-band p:last-child{margin:0}.fe-benefit-band .button{flex-shrink:0}.fe-page #beneficios .buro-benefits article{background:white}@media(max-width:760px){.fe-community{padding:24px}.fe-community h2{font-size:1.9rem}.fe-community-grid{gap:12px}.fe-community-grid>div{padding:16px}.fe-benefit-band{padding:24px;flex-direction:column;align-items:stretch}.fe-page .buro-brand img{width:320px}}