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env(safe-area-inset-bottom,0px));z-index:15;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:52px;min-height:58px;border:1px solid #fffdf5;border-radius:14px;background:#63449d;color:#fff;box-shadow:0 4px 16px #253e3326;font-size:11px;font-weight:650}.back-to-top[hidden]{display:none}.back-to-top:hover{background:#4f327f}.back-to-top svg{width:21px;height:21px;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.contact-tab svg{height:19px;width:19px;stroke:currentColor;stroke-width:1.5}dialog{background:#f8f5ed;color:var(--green);border:1px solid var(--border);border-radius:12px;width:min(460px,calc(100% - 40px));padding:50px 32px 35px;box-shadow:0 20px 80px #10221940}dialog::backdrop{background:#17291f88}dialog h2{font-size:38px;letter-spacing:-1px}dialog>p:last-child{color:var(--muted);font-size:14px;margin:0}#contact-description{color:var(--muted);font-size:14px}.contact-details{margin:24px 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svg{width:25px;height:25px;flex-shrink:0;stroke:currentColor;stroke-width:1.5}.contact-whatsapp>span:last-child{margin-left:auto}.contact-link-note{display:block;font-size:10px;font-weight:400;margin-top:4px;line-height:1.5}.close-contact{position:absolute;top:8px;right:10px;width:44px;height:44px;border:0;border-radius:50%;background:#e7e9dc;color:var(--green);font-size:24px;line-height:1}.site-footer{padding-block:26px;display:flex;justify-content:space-between;align-items:center;gap:15px}.footer-brand{font-size:13px;font-weight:600}.footer-brand span{color:var(--orange);padding-inline:6px}.site-footer p{font-size:11px;color:var(--muted);margin:0}@media(max-width:760px){.container{width:calc(100% - 84px);margin-left:24px;margin-right:60px}.header-inner{min-height:80px;gap:15px;flex-wrap:wrap;padding-block:14px}.brand{font-size:17px;gap:8px}.brand-mark{height:36px;width:36px;font-size:22px}nav{gap:20px}.nav-link{font-size:12px}.page-section{gap:30px;min-height:70vh;padding-block:45px}.home-section{flex-direction:column;align-items:stretch}.section-copy{flex:0}.eyebrow{font-size:9px}h1,h2{font-size:clamp(36px,9vw,60px);letter-spacing:-1.5px}.intro{font-size:16px}.placeholder{font-size:13px}.hero-art{width:100%;max-width:300px;align-self:center}.hindi-section .page-section{flex-direction:column;align-items:start;justify-content:center}.hindi-decoration{align-self:center;font-size:160px;width:auto}.letter-grid{grid-template-columns:repeat(auto-fit,minmax(105px,1fr));gap:10px}.letter-card{padding:16px 10px 12px}.letter-character{font-size:39px}.letter-heading h2{font-size:25px}.learning-nav{padding:14px}.learning-nav ul{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-link{padding:10px}.learning-link>span:first-child{font-size:17px}.word-section .letter-grid{grid-template-columns:repeat(auto-fit,minmax(145px,1fr))}.practice-workspace{grid-template-columns:minmax(0,1fr);gap:18px}.practice-board{width:100%;max-width:360px;margin-inline:auto}.practice-toolbar{align-items:stretch}.vowel-summary{padding:16px 12px}.vowel-summary h2{gap:7px 10px}.vowel-heading-title{font-size:27px}.vowel-heading-meta{font-size:11px}.vowel-panel,.alphabet-panel{padding:16px 12px}.vowel-playbar{flex-direction:column;align-items:stretch;padding:13px}.vowel-panel .letter-grid{grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:12px}.contact-tab{padding:16px 10px;font-size:11px}dialog{padding-inline:25px}dialog h2{font-size:34px}.site-footer{flex-wrap:wrap;font-size:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}