@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
:root{--blue:#083bea;--ink:#07132e;--text:#45618b;--soft:#eef8ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,Arial,sans-serif;font-size:15px}a{color:inherit}button,input,select,textarea{font:inherit}.site-header{background:#fff;position:relative;z-index:5}.header-inner{max-width:1370px;min-height:74px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:24px}.brand-type{display:flex;align-items:center;text-decoration:none;gap:22px;flex-shrink:0}.brand-name{display:flex;flex-direction:column;line-height:.82;letter-spacing:-.05em}.brand-name strong{font-size:37px;font-weight:900;color:#0739df}.brand-name small{font-size:21px;font-weight:850;color:#06112c}.brand-since{font-style:italic;font-size:12px;line-height:1.5;border-left:1px solid #d5dfeb;padding-left:22px;color:#426089;white-space:nowrap}.top-nav{display:flex;gap:30px;align-items:center;margin:auto}.top-nav a{text-decoration:none;font-weight:600;font-size:13px;white-space:nowrap;padding:27px 0 22px;border-bottom:3px solid transparent}.top-nav a:hover,.top-nav a.active{color:var(--blue);border-bottom-color:var(--blue)}.header-tools{display:flex;align-items:center;gap:32px}.search-link{display:flex}.langs{display:flex;gap:8px}.langs a{text-decoration:none;font-weight:700;font-size:12px;padding:10px 15px;border-radius:22px;background:#f0f5fa;color:#426089}.langs a.on{background:var(--blue);color:#fff}.hero-band{background:linear-gradient(105deg,#edf8ff 0%,#e9f6ff 46%,#e8f5ff 68%,#fff 100%)}.hero-inner{max-width:1370px;margin:auto;min-height:536px;padding:0 24px;position:relative;display:grid;grid-template-columns:45% 55%;grid-template-rows:1fr auto}.hero-copy{grid-column:1;grid-row:1;z-index:2;padding:46px 18px 0 0}.eyebrow{font-size:13px;color:var(--blue);letter-spacing:.09em;font-weight:800;margin:0 0 14px}.hero-copy h1{font-size:clamp(45px,4.25vw,67px);letter-spacing:-.065em;line-height:1.03;font-weight:850;margin:0 0 23px;max-width:600px}.hero-lead{font-size:19px;color:var(--text);line-height:1.43;max-width:565px;margin:0}.actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--blue);padding:13px 25px;border-radius:50px;text-decoration:none;font-weight:700;cursor:pointer;font-size:14px}.btn.primary{color:#fff;background:var(--blue)}.btn.secondary{color:var(--blue);background:transparent}.hero-media{grid-column:2;grid-row:1/3;min-width:0;position:relative;display:grid;grid-template-columns:68% 32%;height:536px;align-self:stretch}.hero-photo{height:100%;width:100%;object-fit:cover;object-position:47% center;border-radius:24px 0 0 0;display:block}.science-panel{position:relative;overflow:hidden;background-color:#0737d8;color:#fff;background-image:linear-gradient(#ffffff0d 1px,transparent 1px),linear-gradient(90deg,#ffffff0d 1px,transparent 1px);background-size:34px 34px}.symbol{position:absolute;font-family:Georgia,serif;font-weight:400}.integral{font-size:96px;top:5px;left:17%}.power{font-size:62px;right:9%;top:49px}.benzene{font-size:84px;left:38%;top:124px}.molecule{font-size:36px;left:10%;top:220px;color:#a9c8ff}.molecule small{position:absolute;left:25px;top:33px;font-size:25px}.molecule i{position:absolute;left:3px;top:58px;font-size:20px}.flask{position:absolute;width:92px;right:9%;top:195px}.radical{font-size:90px;left:22%;bottom:76px}.emc{font-size:26px;right:6%;bottom:146px}.pi{font-size:75px;right:12%;bottom:56px}.water{font-size:32px;left:47%;bottom:18px}.hero-facts{grid-column:1;grid-row:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:15px 0 29px;position:relative;z-index:3}.hero-facts>div{min-width:0}.fact-icon{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:25px;margin-bottom:8px;font-weight:900}.fact-icon.blue{color:#1c9eff;background:#d7f0ff}.fact-icon.green{color:#05b879;background:#d4f9ea}.fact-icon.yellow{background:#fff0ca;color:#f4b300}.fact-icon.purple{background:#e8dfff;color:#7139ef}.hero-facts b,.hero-facts small{display:block}.hero-facts b{font-size:12px;line-height:1.25}.hero-facts small{font-size:11px;color:var(--text);margin-top:4px;line-height:1.35}.section{max-width:1370px;margin:auto;padding:28px 24px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.section-heading h2,.learning-inner h2{font-size:31px;letter-spacing:-.045em;line-height:1.1;margin:0 0 5px}.section-heading p,.learning-inner>p{color:var(--text);font-size:17px;margin:0}.section-heading>a{color:var(--blue);text-decoration:none;font-weight:700;font-size:13px;white-space:nowrap}.subject-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:19px}.subject-card{min-height:106px;display:flex;align-items:center;gap:13px;padding:15px;border-radius:12px;text-decoration:none}.subject-card.sky{background:#ecf8ff}.subject-card.mint{background:#effcf7}.subject-card.cream{background:#fffbf0}.subject-card.rose{background:#fff2f5}.subject-card.lilac{background:#f4f2ff}.subject-icon{width:49px;height:49px;flex-shrink:0;display:grid;place-items:center;border-radius:50%;background:#d6f1ff;color:#0759ea;font-size:32px;font-family:Georgia,serif}.mint .subject-icon{color:#05bda2;background:#d8f8ed}.cream .subject-icon{color:#edb300;background:#fff1c9}.rose .subject-icon{color:#ed285d;background:#ffe0e8}.lilac .subject-icon{color:#6834e7;background:#e9e0ff}.subject-card strong{display:block;font-size:13px;margin-bottom:7px}.subject-card small{display:block;font-size:12px;line-height:1.5;color:var(--text)}.learning-band{background:linear-gradient(100deg,#eaf6ff,#f2f8fd);padding:23px 0 32px}.learning-inner{max-width:1370px;margin:auto;padding:0 24px}.learning-inner>p{max-width:680px;line-height:1.5;font-size:15px}.learning-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));max-width:930px;gap:14px;margin-top:14px}.learning-features>div{display:grid;grid-template-columns:42px 1fr;column-gap:10px;align-items:center;background:#fff;border-radius:12px;padding:12px 16px}.learning-features span{grid-row:1/3;font-size:31px;color:#2976cc}.learning-features strong{font-size:13px;color:#355b8b}.learning-features small{font-size:11px;color:var(--text)}.method{padding-top:75px;padding-bottom:75px;display:grid;grid-template-columns:1fr 1fr;gap:60px}.method h2{font-size:36px;line-height:1.18;letter-spacing:-.04em}.method h2 em{font-style:normal;color:var(--blue)}.steps>div{display:flex;gap:20px;border-bottom:1px solid #e0e9f4;padding:13px 0}.steps>div>b{color:var(--blue)}.steps h3{margin:0 0 5px;font-size:16px}.steps p{margin:0;color:var(--text);line-height:1.5}.contact{padding-top:80px;padding-bottom:80px;display:grid;grid-template-columns:0.9fr 1.1fr;gap:70px}.contact h2{font-size:36px}.contact .lead{color:var(--text);line-height:1.6}.contactdata{display:flex;flex-direction:column;gap:12px;margin-top:30px}.contactdata a{color:var(--blue)}form{display:flex;flex-direction:column;gap:14px;background:#f4f9ff;padding:32px;border-radius:20px}label{font-size:13px;font-weight:700}input,select,textarea{width:100%;margin-top:7px;border:1px solid #cbd9eb;padding:13px;background:#fff;border-radius:7px}input:focus,select:focus,textarea:focus{outline:2px solid #a5bfff}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check{display:flex;gap:10px;align-items:flex-start;font-weight:400}.check input{width:auto}.submit{align-self:flex-start}.trap{position:absolute;left:-9999px}#status{font-size:14px}.status-ok{color:#267047}.status-error{color:#b22525}footer{background:#07152f;color:#fff;padding:50px max(24px,calc((100vw - 1322px)/2)) 25px;display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:25px}footer>div:not(.copy){display:flex;flex-direction:column;gap:10px}footer a{color:#dce8ff}footer b{font-size:14px}footer small{color:#bac9e4}.flogo img{width:150px;background:white;padding:10px;border-radius:8px}.copy{grid-column:1/-1;border-top:1px solid #ffffff30;padding-top:15px;font-size:12px;color:#b8c8e4}.cookie-settings-link{background:none;border:0;padding:0;color:inherit;text-align:left;text-decoration:underline;cursor:pointer}.cookie-panel{position:fixed;z-index:9999;bottom:18px;left:18px;max-width:520px;width:calc(100% - 36px);padding:22px;background:#fff;color:#18253a;border:1px solid #d7e0eb;border-radius:16px;box-shadow:0 12px 44px #0003}.cookie-panel h2{font-size:22px;margin:0 0 10px}.cookie-panel p{font-size:15px;line-height:1.5;margin:0 0 10px}.cookie-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.cookie-actions button{flex:1;min-width:110px;border:1px solid #1358a4;background:#fff;color:#1358a4;padding:11px;border-radius:8px;cursor:pointer}.cookie-actions button:first-child{background:#1358a4;color:#fff}.cookie-options{margin-top:14px}.cookie-options label{display:flex;gap:8px;align-items:center}.cookie-options input{width:auto}
@media(max-width:1150px){.header-inner{gap:15px}.brand-since{display:none}.top-nav{gap:17px}.hero-copy h1{font-size:48px}.hero-lead{font-size:16px}.hero-media{height:510px}.hero-inner{min-height:510px}.subject-grid{gap:8px}.subject-card{padding:10px;gap:8px}.subject-icon{width:39px;height:39px;font-size:26px}}
@media(max-width:900px){.top-nav{display:none}.header-tools{margin-left:auto}.brand-since{display:block}.hero-inner{display:flex;flex-direction:column;padding-top:30px}.hero-copy{padding:0}.hero-copy h1{max-width:720px;font-size:clamp(42px,7vw,62px)}.hero-media{height:480px;width:100%;order:2}.hero-facts{order:3;width:100%;padding:20px 0}.subject-grid{grid-template-columns:repeat(3,1fr)}.method,.contact{grid-template-columns:1fr;gap:25px}}
@media(max-width:600px){.header-inner{padding:12px 17px;min-height:68px}.brand-name strong{font-size:29px}.brand-name small{font-size:18px}.brand-since{font-size:10px;padding-left:12px}.header-tools{gap:8px}.search-link{display:none}.langs a{padding:8px 10px}.hero-inner{padding:28px 17px 0}.hero-copy h1{font-size:43px}.hero-lead{font-size:16px}.actions{gap:10px}.btn{font-size:12px;padding:12px 16px}.hero-media{height:335px;grid-template-columns:70% 30%}.integral{font-size:60px}.power{font-size:40px}.benzene{font-size:45px;top:92px}.molecule{top:155px}.flask{width:45px;top:155px}.radical{font-size:50px;bottom:50px}.emc{font-size:15px;bottom:115px}.pi{font-size:48px;bottom:24px}.water{font-size:19px;bottom:5px}.hero-facts{grid-template-columns:repeat(2,1fr);row-gap:17px}.section{padding:28px 17px}.section-heading h2,.learning-inner h2{font-size:26px}.section-heading{align-items:flex-start}.section-heading>a{font-size:11px;white-space:normal;text-align:right}.subject-grid{grid-template-columns:repeat(2,1fr)}.subject-card{min-height:125px;align-items:flex-start;flex-direction:column}.learning-inner{padding:0 17px}.learning-features{grid-template-columns:1fr}.contact{padding:50px 17px}.contact form{padding:20px}.two{grid-template-columns:1fr}footer{grid-template-columns:1fr 1fr;padding:35px 17px}.copy{grid-column:1/-1}}

/* Logotipo idéntico en cabecera y pie */
.footer-brand{display:inline-flex;width:max-content;background:#fff;padding:13px 16px;border-radius:10px}.footer-brand .brand-name strong{color:#0739df}.footer-brand .brand-name small{color:#06112c}

/* Logotipo coherente en páginas legales y pie */
main.section > .brand-type{display:inline-flex;margin:12px 0 25px}.footer-brand .brand-name{display:flex}


/* Corrección: oculta el rótulo incrustado en la esquina inferior izquierda
   de la imagen, conservando el recorte diagonal del diseño. */
.hero-media::after {
  content: "";
  position: absolute;
  z-index: 2;
  pointer-events: none;
  left: 0;
  bottom: 0;
  width: 68%;
  height: 100%;
  background: #eaf7ff;
  clip-path: polygon(0 69%, 47% 100%, 0 100%);
}
@media (max-width: 600px) {
  .hero-media::after {
    width: 70%;
  }
}