.about{max-width:1080px;margin:0 auto 100px;padding:55px;background:var(--cream);border-radius:24px;display:grid;grid-template-columns:150px 1fr;gap:45px;align-items:center}.aboutMark{width:140px;height:140px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:44px;font-weight:900;border:8px solid #fff;box-shadow:0 12px 30px #071e4120}.about h2,.qrSection h2{font-size:40px;color:var(--navy);margin:0 0 15px}.about p:last-child,.qrSection p{font-size:18px;line-height:1.65;color:#526078;margin:0}.examples{background:#f4f7f4}.exampleGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.exampleGrid article{background:#fff;padding:28px;border-radius:18px;border:1px solid #dce4dd;display:flex;flex-direction:column}.exampleGrid article>span{color:var(--green);font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.exampleGrid h3{font-size:23px;margin:12px 0}.exampleGrid p{line-height:1.55;color:#5a6677}.exampleGrid .problem{min-height:50px}.math{background:#edf4ef;border-left:4px solid var(--green);padding:18px;margin:8px 0 10px;font:18px/1.7 Georgia;color:var(--navy)}.exampleGrid a{margin-top:auto;padding-top:15px;color:var(--green);font-weight:800}.faq h2{margin-bottom:40px}.faqList{max-width:850px;margin:auto;display:grid;gap:12px}.faq details{border:1px solid #dce3df;border-radius:13px;padding:0 22px;background:#fff}.faq summary{cursor:pointer;font-size:17px;font-weight:800;color:var(--navy);padding:20px 0}.faq details p{margin:0 0 20px;color:#5c687a;line-height:1.6}.qrSection{max-width:1050px;margin:0 auto 100px;padding:55px 70px;background:linear-gradient(135deg,#f8f7f1,#eaf4ed);border-radius:24px;display:grid;grid-template-columns:1fr 280px;gap:60px;align-items:center}.qrSection img{width:270px;background:#fff;padding:12px;border-radius:18px;box-shadow:0 15px 40px #071e4120}.qrSection .secondary{margin-top:28px}.whatsappFloat{position:fixed;right:22px;bottom:22px;z-index:20;background:#16a34a;color:#fff;border-radius:999px;padding:12px 18px 12px 12px;display:flex;align-items:center;gap:9px;font-weight:800;box-shadow:0 10px 30px #052d1840}.whatsappFloat b{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#fff;color:#16a34a;font-size:20px}@media(max-width:850px){.about{margin:0 18px 75px;grid-template-columns:1fr;padding:35px}.exampleGrid{grid-template-columns:1fr}.qrSection{margin:0 18px 75px;grid-template-columns:1fr;padding:38px 28px;text-align:center}.qrSection img{width:230px}.qrSection>a{justify-self:center}}@media(max-width:520px){.aboutMark{width:100px;height:100px;font-size:32px}.whatsappFloat span{display:none}.whatsappFloat{padding:10px}.qrSection h2,.about h2{font-size:32px}}