@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{--ink:#17152f;--paper:#f6f4ed;--violet:#7457ff;--lime:#d8ff57;--coral:#ff705f;--cyan:#45d6d1;--line:rgba(23,21,47,.16);--max:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.23;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(#n)' opacity='.08'/%3E%3C/svg%3E");z-index:10}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:1rem;top:1rem;z-index:999;background:#fff;padding:1rem}
.site-header{position:absolute;z-index:5;width:100%;color:#fff}
.nav-wrap{max-width:var(--max);margin:auto;height:100px;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.brand{color:inherit;text-decoration:none;display:flex;align-items:center;gap:10px;font:700 1.28rem 'Space Grotesk'}
.brand svg{width:38px;fill:none;stroke:currentColor;stroke-width:2}
.brand span{line-height:.75}
.brand small{display:block;font:500 .65rem 'DM Sans';letter-spacing:.23em;margin-top:7px;text-transform:uppercase}
.desktop-nav{display:flex;gap:32px}
.desktop-nav a{color:inherit;text-decoration:none;font-size:.9rem}
.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--lime);color:var(--ink);padding:16px 23px;border:0;border-radius:3px;font:700 .92rem 'DM Sans';text-decoration:none;cursor:pointer;box-shadow:5px 5px 0 var(--violet);transition:.2s}
.button:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--violet)}
.button-small{padding:12px 17px;box-shadow:none}
.hero{min-height:760px;overflow:hidden;position:relative;background:var(--ink);color:#fff;padding:175px max(24px,calc((100vw - var(--max))/2)) 90px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center}
.hero:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;background:var(--violet);filter:blur(80px);opacity:.26;right:5%;top:15%}
.hero-copy{position:relative;z-index:2;max-width:650px}
.eyebrow{font-size:.76rem;letter-spacing:.17em;text-transform:uppercase;font-weight:700;display:flex;align-items:center;gap:10px}
.eyebrow span{width:25px;height:2px;background:var(--lime)}
h1,h2,h3{font-family:'Space Grotesk',sans-serif}
h1{font-size:clamp(3.2rem,6.1vw,6.1rem);line-height:.94;letter-spacing:-.065em;margin:24px 0}
h1 em,h2 em{font-style:normal;color:var(--lime)}
.hero-lead{font-size:1.15rem;line-height:1.65;color:#cbc8dc;max-width:565px}
.hero-actions{display:flex;align-items:center;gap:30px;margin:35px 0}
.text-link{color:white;text-decoration:none;font-weight:700}
.play{display:inline-grid;place-items:center;width:38px;height:38px;border:1px solid #747188;border-radius:50%;margin-right:8px;font-size:.7rem}
.hero-points{padding:0;display:flex;list-style:none;gap:23px;color:#a9a6bc;font-size:.82rem}
.hero-points li+li{border-left:1px solid #4b4862;padding-left:23px}
.hero-points b{color:white}
.hero-visual{position:relative;height:510px}
.atom{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.atom ellipse{fill:none;stroke:#aaa4d4;stroke-width:1.2}
.atom circle{fill:var(--lime)}
.core{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-7deg);width:190px;height:190px;border-radius:44% 56% 61% 39%/47% 43% 57% 53%;background:var(--coral);display:grid;place-items:center;text-align:center;color:#fff;font:700 1.75rem/1.05 'Space Grotesk';box-shadow:0 0 0 13px rgba(255,112,95,.12)}
.formula{position:absolute;font:600 1rem 'Space Grotesk';background:#fff;color:var(--ink);padding:9px 13px;border-radius:4px;z-index:3;box-shadow:4px 4px 0 var(--violet)}
.formula-a{left:5%;top:13%;transform:rotate(-8deg)}
.formula-b{right:4%;top:23%;transform:rotate(8deg)}
.formula-c{left:12%;bottom:16%;transform:rotate(5deg)}
.sticker{position:absolute;right:5%;bottom:12%;background:var(--lime);color:var(--ink);border-radius:50%;width:90px;height:90px;display:grid;place-items:center;text-align:center;font:700 .85rem/1.1 'Space Grotesk';transform:rotate(11deg)}
.scroll-cue{position:absolute;bottom:30px;left:50%;color:#aaa6ba;text-decoration:none;font-size:.62rem;letter-spacing:.2em;writing-mode:vertical-rl}
.scroll-cue span{font-size:1rem;margin-top:10px}
.orbit{position:absolute;border:1px solid rgba(255,255,255,.06);border-radius:50%}
.orbit-a{width:600px;height:600px;right:-280px;top:-250px}
.orbit-b{width:430px;height:430px;left:-300px;bottom:-250px}
.marquee{overflow:hidden;background:var(--lime);border-block:2px solid var(--ink);padding:14px 0;white-space:nowrap;font:700 .88rem 'Space Grotesk';letter-spacing:.12em}
.marquee div{width:max-content;animation:move 22s linear infinite}
.marquee i{color:var(--violet);font-style:normal;margin:0 22px}
@keyframes move{to{transform:translateX(-50%)}
}
.section{padding:110px max(24px,calc((100vw - var(--max))/2))}
.section-heading{display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:end;margin-bottom:55px}
.eyebrow.dark span{background:var(--violet)}
.section h2{font-size:clamp(2.5rem,5vw,4.8rem);line-height:.98;letter-spacing:-.055em;margin:20px 0}
.subjects h2 em{color:var(--violet)}
.section-heading>p{line-height:1.7;color:#5d5a70}
.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.subject-card{--card-accent:var(--violet);position:relative;isolation:isolate;min-height:360px;padding:24px;border:1px solid rgba(23,21,47,.14);border-radius:20px;background:#fff;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 12px 35px rgba(23,21,47,.08);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.subject-card:before{content:"";position:absolute;z-index:-1;inset:0 0 auto;height:8px;background:var(--card-accent)}
.subject-card:after{content:"";position:absolute;z-index:-1;width:180px;height:180px;right:-75px;top:-80px;border-radius:50%;background:var(--card-accent);opacity:.11}
.subject-card:hover{transform:translateY(-7px);border-color:var(--card-accent);box-shadow:0 22px 45px rgba(23,21,47,.14)}
.subject-card.math{--card-accent:#7457ff}
.subject-card.physics{--card-accent:#079d98}
.subject-card.chemistry{--card-accent:#e84f43}
.subject-card.biology{--card-accent:#719b00}
.card-number{align-self:flex-end;color:#706d7f;font:700 .7rem 'Space Grotesk';letter-spacing:.12em}
.subject-icon{width:76px;height:76px;margin:34px 0 auto;border-radius:18px;background:color-mix(in srgb,var(--card-accent) 13%,white);display:grid;place-items:center;color:var(--card-accent);font:700 2rem 'Space Grotesk';letter-spacing:-.08em;box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--card-accent) 22%,transparent)}
.physics .subject-icon{font-style:italic}
.chemistry .subject-icon,.biology .subject-icon{font-size:1.35rem;letter-spacing:-.04em}
.subject-card h3{font-size:1.55rem;letter-spacing:-.025em;margin:26px 0 8px}
.subject-card p{min-height:67px;color:#5d5a70;font-size:.9rem;line-height:1.6;margin:0 0 22px}
.card-level{border-top:1px solid var(--line);padding-top:16px;color:#4f4c60;font-size:.68rem;letter-spacing:.14em;font-weight:700}
.card-level i{display:inline-block;width:4px;height:4px;margin:0 8px 2px;border-radius:50%;background:var(--card-accent)}
.method{background:var(--violet);color:white;display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}
.eyebrow.light span{background:var(--lime)}
.method-intro{position:sticky;top:40px;align-self:start}
.method-intro>p:last-child{color:#ddd7ff;line-height:1.7;max-width:450px}
.steps{list-style:none;padding:0;margin:0}
.steps li{display:grid;grid-template-columns:70px 1fr;gap:12px;border-top:1px solid rgba(255,255,255,.28);padding:28px 0}
.steps li>span{color:var(--lime);font:700 .82rem 'Space Grotesk'}
.steps h3{margin:0 0 9px;font-size:1.35rem}
.steps p{color:#ddd7ff;margin:0;line-height:1.6}
.fit{background:var(--paper)}
.fit-card{max-width:980px;margin:auto;text-align:center}
.fit-card h2{font-size:clamp(2.5rem,5vw,4.5rem)}
.quotes{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:45px 0}
.quotes span{padding:13px 18px;border:2px solid var(--ink);border-radius:50px;background:#fff;font-weight:600}
.quotes span:nth-child(even){background:var(--lime);transform:rotate(2deg)}
.quotes span:nth-child(3){background:#ffd8d3;transform:rotate(-2deg)}
.fit-answer{max-width:700px;margin:auto;font-size:1.15rem;line-height:1.7}
.contact{background:var(--ink);color:white;display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}
.contact-copy>p:nth-of-type(2){color:#bdb9cf;line-height:1.7}
.contact-facts{display:flex;flex-direction:column;gap:12px;margin-top:35px;font-size:.9rem}
.contact-form{background:#fff;color:var(--ink);padding:38px;box-shadow:10px 10px 0 var(--violet)}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.field input,.field select,.field textarea{font:500 1rem 'DM Sans';border:0;border-bottom:2px solid #d2cfdb;background:#f8f7fa;padding:13px 12px;color:var(--ink);border-radius:0}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid rgba(116,87,255,.2);border-color:var(--violet)}
.submit{width:100%;font-size:1rem;margin-top:5px}
.form-note{text-align:center;color:#716e7e;font-size:.74rem;margin:15px 0 0}
footer{background:#0c0a1d;color:white;border-top:1px solid #39364d;padding:35px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;font-size:.8rem}
footer>p:nth-child(2){text-align:center;color:#9692a9}
footer>p:last-child{text-align:right;color:#9692a9}
footer p span{margin-left:18px}
.footer-brand{font-size:1rem}
.footer-brand svg{width:30px}
.mobile-cta{display:none}
.local-seo{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;background:#e8e0ff}
.local-copy p{line-height:1.75;color:#5d5a70}
.local-seo h2{font-size:clamp(2.2rem,4vw,3.8rem)}
.faq h2{font-size:1.5rem;margin-top:0}
.faq details{border-top:2px solid var(--ink);padding:18px 0}
.faq details:last-child{border-bottom:2px solid var(--ink)}
.faq summary{cursor:pointer;font:700 1rem Space Grotesk,sans-serif;list-style:none}
.faq summary:after{content:"+";float:right;color:var(--violet);font-size:1.3rem}
.faq details[open] summary:after{content:"−"}
.faq details p{color:#5d5a70;line-height:1.6;margin-bottom:0}
@media(max-width:850px){.desktop-nav,.site-header .button-small{display:none}
.nav-wrap{height:76px}
.hero{min-height:auto;padding-top:125px;grid-template-columns:1fr}
.hero-visual{height:360px;margin-top:20px}
.hero-points{flex-wrap:wrap}
.hero-points li+li{border:0;padding-left:0}
.scroll-cue{display:none}
.section{padding-block:75px}
.section-heading,.method,.contact,.local-seo{grid-template-columns:1fr;gap:38px}
.subject-grid{grid-template-columns:1fr 1fr}
.method-intro{position:static}
.contact-form{padding:28px}
.mobile-cta{display:flex;position:fixed;z-index:9;left:14px;right:14px;bottom:12px;background:var(--lime);color:var(--ink);padding:14px 18px;text-decoration:none;font-weight:700;justify-content:space-between;box-shadow:5px 5px 0 var(--violet)}
footer{padding-bottom:90px}
}
@media(max-width:520px){h1{font-size:3rem}
.hero-actions{align-items:flex-start;flex-direction:column}
.hero-visual{height:300px}
.core{width:140px;height:140px;font-size:1.35rem}
.subject-grid{grid-template-columns:1fr}
.subject-card{min-height:300px}
.subject-icon{margin-top:26px}
.section-heading{gap:15px}
.field-row{grid-template-columns:1fr}
.contact-form{margin-inline:-10px;box-shadow:6px 6px 0 var(--violet)}
footer{grid-template-columns:1fr;gap:12px;text-align:center}
footer>p:nth-child(2),footer>p:last-child{text-align:center}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.marquee div{animation:none}
*{transition:none!important}
}

/* Landings de materias */
.subject-grid a.subject-card{color:inherit;text-decoration:none}.card-level b{display:block;color:var(--card-accent);font-size:.75rem;margin-top:12px;letter-spacing:.04em}
.inner-header{position:absolute}.inner-header .brand,.inner-header .desktop-nav a{color:#fff}.service-hero{min-height:650px;position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:170px max(24px,calc((100vw - var(--max))/2)) 95px;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.service-hero:after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;right:-100px;top:80px;background:var(--service-accent,var(--violet));filter:blur(90px);opacity:.25}.service-hero-copy,.service-symbol{position:relative;z-index:1}.breadcrumbs{font-size:.78rem;color:#bdb9cf;margin-bottom:28px}.breadcrumbs a{color:var(--lime);text-decoration:none}.service-hero h1{font-size:clamp(3rem,5.5vw,5.7rem)}.service-hero h1 em{color:var(--service-accent,var(--lime))}.service-symbol{min-height:340px;display:grid;place-items:center}.service-symbol>span{width:270px;height:270px;display:grid;place-items:center;border:2px solid rgba(255,255,255,.35);border-radius:50%;background:rgba(255,255,255,.06);font:700 clamp(3rem,7vw,6rem) 'Space Grotesk';color:var(--lime);box-shadow:0 0 0 35px rgba(255,255,255,.035),0 0 0 75px rgba(255,255,255,.025);transform:rotate(-6deg)}.service-hero .hero-actions{margin-bottom:0}.button-alt{color:#fff;border:1px solid #77738b;padding:15px 20px;text-decoration:none;font-weight:700;border-radius:3px}.trust-strip{background:var(--lime);border-block:2px solid var(--ink);padding:18px max(24px,calc((100vw - var(--max))/2));display:flex;justify-content:center;gap:45px;text-align:center;font:700 .78rem 'Space Grotesk';letter-spacing:.08em}.content-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:start}.content-split .lead{font-size:1.2rem;line-height:1.75;color:#4f4c60}.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.topic{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px;box-shadow:0 8px 25px rgba(23,21,47,.06)}.topic span{color:var(--service-accent,var(--violet));font:700 .72rem 'Space Grotesk';letter-spacing:.12em}.topic h3{margin:12px 0 8px;font-size:1.2rem}.topic p{margin:0;color:#5d5a70;line-height:1.55;font-size:.9rem}.service-method{background:#e8e0ff}.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.benefit{padding:30px;border-top:3px solid var(--service-accent,var(--violet));background:#fff}.benefit strong{display:block;font:700 1.2rem 'Space Grotesk';margin-bottom:10px}.benefit p{color:#5d5a70;line-height:1.65;margin:0}.exam-box{background:var(--ink);color:#fff;border-radius:24px;padding:55px;display:grid;grid-template-columns:1fr 1fr;gap:60px}.exam-box h2{margin-top:0}.exam-box p,.exam-box li{color:#cbc8dc;line-height:1.7}.check-list{list-style:none;padding:0}.check-list li{padding:10px 0 10px 30px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--lime);font-weight:700}.related{background:#fff}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related-card{display:block;color:var(--ink);text-decoration:none;border:1px solid var(--line);padding:28px;border-radius:14px;transition:.2s}.related-card:hover{transform:translateY(-4px);border-color:var(--violet)}.related-card small{color:var(--violet);font-weight:700}.related-card h3{font-size:1.35rem;margin:12px 0}.related-card p{color:#5d5a70;line-height:1.55}.whatsapp-direct{display:inline-flex;color:var(--lime);font-weight:700;text-decoration:none;margin-top:18px}
@media(max-width:850px){.service-hero{grid-template-columns:1fr;padding-top:125px;gap:20px}.service-symbol{min-height:270px}.service-symbol>span{width:190px;height:190px}.trust-strip{flex-wrap:wrap;gap:15px 28px}.content-split,.exam-box{grid-template-columns:1fr;gap:35px}.benefit-grid,.related-grid{grid-template-columns:1fr}.exam-box{padding:35px}}

.pasteur-consent{position:fixed;z-index:99999;right:18px;bottom:18px;left:18px;display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:920px;margin:auto;padding:20px 22px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:#17152f;color:#fff;box-shadow:0 18px 55px rgba(15,13,38,.28);font-family:inherit}.pasteur-consent strong{display:block;margin-bottom:5px;font-size:17px}.pasteur-consent p{margin:0;color:#dedbea;font-size:14px;line-height:1.5}.pasteur-consent__actions{display:flex;flex:0 0 auto;gap:9px}.pasteur-consent button{min-height:42px;padding:0 16px;border:1px solid #fff;border-radius:999px;background:transparent;color:#fff;font:inherit;font-size:14px;font-weight:800;cursor:pointer}.pasteur-consent button[data-consent="granted"]{border-color:#f6b73c;background:#f6b73c;color:#17152f}@media(max-width:680px){.pasteur-consent{display:block}.pasteur-consent__actions{margin-top:15px}.pasteur-consent button{flex:1}}
@media(max-width:520px){.service-hero h1{font-size:2.8rem}.service-symbol{display:none}.topic-grid{grid-template-columns:1fr}.trust-strip{justify-content:flex-start;text-align:left}.exam-box{border-radius:14px;padding:26px}}