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details p{font-size:13px;padding-right:12px;line-height:1.9}.final-section{padding-block:62px}.final-inner h2{font-size:37px}.final-inner>img{width:52px;height:52px;margin-bottom:23px}.final-inner>p{font-size:14px;line-height:1.9}.final-inner>.button{width:100%;margin-top:28px}.footer{display:block;padding-block:30px 108px}.footer .brand{font-size:17px}.footer .brand img{width:28px;height:28px}.footer>p{font-size:10px;margin-top:19px;line-height:1.85}.footer>span{font-size:10px;display:block;margin-top:17px}.mobile-bar{position:fixed;bottom:0;left:0;right:0;padding:11px 20px calc(11px + env(safe-area-inset-bottom));background:rgba(245,244,239,.97);border-top:1px solid #d8e0e5;display:flex;gap:14px;align-items:center;justify-content:space-between;z-index:15;transform:translateY(130%);transition:transform .2s;box-shadow:0 -5px 24px #0d264608}.mobile-bar.visible{transform:none}.mobile-bar>span{font-size:10px;color:var(--muted)}.mobile-bar>a{display:flex;justify-content:center;gap:12px;align-items:center;font-size:11px;font-weight:600;min-height:42px;border-radius:10px;background:var(--blue);color:white;padding:10px 15px}.term-dialog{padding:32px 25px}.term-dialog h2{font-size:29px}.term-dialog>.eyebrow{font-size:9px}.term-dialog>p{font-size:14px}.term-dialog>.term-example{font-size:11px}}
@media(max-width:359px){.wrap,.header-inner{width:calc(100% - 32px)}.hero h1{font-size:42px}.hero-facts{gap:15px}.hero-facts strong{font-size:26px}.hero-phone{width:235px}.hero-visual{max-width:290px}.floating-note{left:-2px;top:84px;padding:10px}.wire-art{right:0}.principle-inner>div{font-size:11px;gap:10px}h2{font-size:33px}.demo-copy h2{font-size:35px}.chapter summary{font-size:12px;gap:9px}.chapter-count{font-size:8px}.program-stat{gap:14px}.screen-controls>span{max-width:155px;line-height:1.7}.mobile-bar{padding-inline:16px}.mobile-bar>a{font-size:10px;padding-inline:12px}.access-heading h2{font-size:33px}.final-inner h2{font-size:33px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}.hero-phone,.floating-note{transform:none}}

svg.mini-circuit{display:block;width:210px;height:54px;color:var(--blue)}

/* Keep the first real circuit visible earlier on small screens. */
@media(min-width:721px){.hero{grid-template-areas:"copy visual" "facts visual";row-gap:0}.hero-copy{grid-area:copy;align-self:end}.hero-visual{grid-area:visual}.hero-facts{grid-area:facts;align-self:start}}
@media(max-width:720px){.hero{display:flex;flex-direction:column;align-items:stretch}.hero-copy{order:1}.hero-visual{order:2}.hero-facts{order:3;width:100%;max-width:none;margin-top:32px}.compatibility{font-size:11px}.hero-facts div{max-width:none}}
.circle-button:disabled{opacity:.35;cursor:default}.circle-button:disabled:hover{background:transparent}
body.dialog-open{overflow:hidden}
@media(max-width:720px){.chapter summary{font-size:14px}.chapter-count{font-size:10px}.chapter ul{font-size:13px}.plan ul{font-size:13px}}
@media(max-width:359px){.chapter summary{font-size:13px}.chapter-count{font-size:9px}}

.screen-open{position:relative;border:0;padding:0;background:none;display:block;width:100%;cursor:zoom-in}.screen-zoom{position:absolute;right:10px;bottom:10px;background:#fff;color:var(--blue);border:1px solid #dce4ee;border-radius:50%;width:34px;height:34px;display:grid;place-items:center;font-size:19px;box-shadow:0 4px 14px #182b4612}.screenshot-dialog{padding:0;width:min(520px,calc(100% - 32px));max-width:none;max-height:90vh;max-height:90dvh;border:1px solid #d9e0e8;border-radius:20px;background:var(--paper);box-shadow:0 30px 100px #0d23444d}.screenshot-dialog::backdrop{background:#0c213d99}.screenshot-dialog>img{width:100%;height:auto}.screenshot-head{position:sticky;top:0;background:var(--paper);display:flex;align-items:center;gap:12px;padding:10px 12px 10px 18px;border-bottom:1px solid #d9e0e8;z-index:1}.screenshot-head strong{font-weight:600;font-size:13px;line-height:1.6}.screenshot-close{margin-left:auto;flex-shrink:0;width:38px;height:38px;border:0;border-radius:50%;background:#e9edf2;color:var(--ink);font-size:25px;line-height:1}