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.site-footer{background:#111415;color:#f2f3f0;border-top:1px solid #3d473f;padding:40px 0 30px}.footer-top{display:flex;align-items:center;gap:45px}.footer-top p{font-size:14px;color:#b3beb6}.footer-top>.text-link{margin-left:auto;font-size:14px}.footer-bottom{border-top:1px solid #3d473f;margin-top:30px;padding-top:24px;display:flex;justify-content:space-between;gap:30px;color:#adb9b0;font-size:12px}.footer-bottom nav{display:flex;gap:24px;flex-wrap:wrap}.footer-bottom a{text-decoration:none}.footer-bottom a:hover{text-decoration:underline}.footer-policy-note{margin-top:17px;font-size:11px;color:#a9b7ac}
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@media(min-width:1500px){.hero-copy{padding-bottom:75px}.desktop-break{display:none}.hero h1{font-size:76px}}
@media(max-width:1100px){.site-wrap{width:calc(100% - 72px)}.nav-account{margin-left:15px;gap:18px}.site-nav{gap:23px}.hero{gap:24px}.hero h1{font-size:58px}.hero-copy>p:not(.trial-note){font-size:17px}.hero-actions{gap:18px}.hero-actions .text-link{font-size:14px}.phone-orbit{width:270px;height:528px}.phone-scene{height:550px}.feature-strip>div{padding-inline:18px}.feature-strip>div>.ph{font-size:27px}.product-intro{gap:40px}.product-intro h2{font-size:48px}.product-intro>p{font-size:16px}.browser-details{gap:50px}.public-plans{gap:12px}.public-plan{padding:25px 18px}.public-price{font-size:40px}.plans-compact .public-plan{padding-inline:20px}.home-questions{gap:50px}.reading-layout{grid-template-columns:200px minmax(0,1fr);gap:45px}}
@media(max-width:800px){.site-wrap{width:calc(100% - 40px)}.site-header{height:78px}.site-brand{font-size:24px}.nav-toggle{display:inline-flex;align-items:center;justify-content:center}.site-nav{position:absolute;top:77px;left:0;right:0;padding:20px;display:none;background:var(--site-paper);color:#1a2218;box-shadow:0 16px 24px -20px #0004;border-bottom:1px solid #b5c5aa;gap:0}.site-nav.is-open{display:flex;flex-direction:column;align-items:stretch}.site-nav>a{padding:13px 8px;font-size:17px}.nav-account{margin:15px 0 0;justify-content:space-between;padding:15px 8px 0;border-top:1px solid #c6d1bf}.nav-account .site-button{min-height:48px}.hero{grid-template-columns:1fr;padding-top:35px;gap:0}.hero-copy{padding:0;max-width:600px}.hero h1{font-size:clamp(43px,7.8vw,62px);line-height:1.06;max-width:590px}.desktop-break{display:none}.hero-copy>p:not(.trial-note){font-size:17px;max-width:480px;margin-top:22px}.hero-actions{margin-top:26px;gap:23px}.hero-actions .site-button{min-height:50px;padding-inline:21px;font-size:14px}.hero-actions .text-link{font-size:14px;gap:8px}.trial-note{font-size:11px;margin-top:14px}.hero-visual{padding:34px 0 28px}.phone-scene{height:550px;perspective:1800px}.phone-orbit{width:275px;height:535px}.phone-caption{margin-top:14px;font-size:10px;gap:10px}.feature-strip{padding:23px 0 30px;gap:0;margin-top:0}.feature-strip>div{padding:0 15px;gap:12px;align-items:start;flex-direction:column}.feature-strip>div:first-child{padding-left:0}.feature-strip>div:last-child{padding-right:0}.feature-strip strong{font-size:13px;line-height:1.4}.feature-strip span span{font-size:11px;line-height:1.5;margin-top:5px}.feature-strip>div>.ph{font-size:25px}.product-section{padding:64px 0}.product-intro{display:block;margin-bottom:30px}.product-intro h2{font-size:clamp(36px,6.6vw,52px)}.product-intro>p{margin-top:22px;max-width:550px;font-size:16px}.product-picture{height:420px}.answer-sample{left:20px;bottom:20px;padding:20px 24px}.answer-sample strong{font-size:34px}.product-details{gap:22px}.product-details article{padding:0;border:0!important}.product-details h3{font-size:18px;line-height:1.3}.product-details p{font-size:13px;line-height:1.75}.browser-details{margin-top:55px;padding-top:55px;grid-template-columns:1fr;gap:30px}.browser-details h2{font-size:40px}.browser-details p{max-width:550px;font-size:16px;margin:20px 0}.tab-preview{padding:18px 20px}.start-section{padding-top:60px}.section-heading h2{font-size:37px}.section-heading>.text-link{font-size:13px;gap:5px;white-space:nowrap}.section-lead{font-size:15px;margin-top:20px}.public-plans{grid-template-columns:1fr;gap:18px;margin-top:32px}.public-plan{padding:28px;border:1px solid var(--site-line);border-radius:14px}.public-plan:last-child{border-right:1px solid var(--site-line)}.public-plan.plan-standard{border:1px solid transparent}.public-plan h2,.public-plan h3{font-size:29px}.public-price{font-size:43px;margin-top:19px}.public-plan .site-button{max-width:400px}.public-plan ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.plans-compact .public-plan{padding-inline:26px}.plans-compact .public-plan:last-child{border-color:#465346}.price-caption{text-align:left;margin-top:23px}.home-questions{grid-template-columns:1fr;gap:30px;margin-top:60px;padding-top:45px}.home-questions h2{font-size:34px}.home-questions .text-link{margin-top:15px}.site-faq summary{font-size:16px}.closing-cta{padding:60px 0;display:block}.closing-cta h2{font-size:43px}.closing-cta>div{text-align:left;margin-top:30px}.site-footer{padding:30px 0}.footer-top{gap:20px;flex-wrap:wrap}.footer-top p{font-size:12px}.footer-top>.text-link{width:100%;margin:0}.footer-bottom{display:block;font-size:12px;margin-top:23px}.footer-bottom nav{margin-top:18px;gap:13px 23px}.footer-policy-note{font-size:10px}.page-heading{padding:42px 0 4px}.page-heading h1{font-size:43px}.page-heading>p{font-size:16px;margin-top:18px}.pricing-main{padding-bottom:60px}.pricing-main .public-plans{margin-top:32px}.payment-status{text-align:left;font-size:12px}.friend-banner{margin-top:30px;padding:23px;gap:23px;align-items:start;flex-direction:column}.friend-banner>div{gap:15px;align-items:start}.friend-banner strong{font-size:20px}.friend-banner span span{font-size:13px}.pricing-questions{margin-top:55px}.pricing-questions h2{font-size:32px}.reading-main{padding-bottom:65px}.reading-layout{display:block;margin-top:30px}.reading-nav{position:static;border-bottom:1px solid var(--site-line);padding:15px 0;flex-direction:row;flex-wrap:wrap;gap:9px 22px;margin-bottom:35px}.reading-nav a{font-size:13px}.reading-copy h2{font-size:25px}.reading-copy p{font-size:15px}.reading-copy section+section{margin-top:36px}}
@media(max-width:480px){.site-wrap{width:calc(100% - 36px)}.hero h1{font-size:43px}.hero h1 span{display:block}.hero-actions{gap:15px}.hero-visual{padding-top:24px}.phone-scene{height:510px}.phone-orbit{width:256px;height:505px}.demo-lesson{padding-top:12px}.demo-lesson-top{margin-bottom:11px}.demo-equation{margin-bottom:10px}.demo-assistant{padding:13px 13px 10px}.demo-answer{margin:10px 0}.phone-caption{max-width:290px}.product-picture{height:350px}.product-picture img{object-position:70% center}.answer-sample{left:15px;bottom:15px;padding:17px 20px;max-width:240px}.answer-sample p{font-size:10px}.product-details{grid-template-columns:1fr;gap:24px;margin-top:27px}.product-details h3{font-size:22px}.product-details p{font-size:15px;max-width:none;margin-top:9px}.section-heading{align-items:start;flex-direction:column;gap:15px}.section-heading h2{font-size:38px}.section-heading>.text-link{font-size:14px}.public-plan ul{grid-template-columns:1fr}.tab-preview-bar>span{font-size:9px}.preview-row{gap:9px}.preview-icon{width:28px;font-size:21px}.preview-row strong{font-size:12px}.preview-row small{font-size:9px;max-width:135px}.preview-state{font-size:9px}.preview-state.live{font-size:8px}.closing-cta h2{font-size:39px}.footer-top p{width:100%}.page-heading h1{font-size:38px}.policy-draft{padding:18px}.reading-copy p{overflow-wrap:break-word}}
/* A short desktop viewport still shows the complete phone and its controls. */
@media(min-width:801px) and (max-height:760px){.hero{padding-top:22px}.phone-scene{height:485px}.phone-orbit{width:255px;height:495px}.hero-visual{padding-bottom:20px}.hero-copy{padding-bottom:40px}.hero h1{font-size:58px}.demo-lesson-top,.demo-lesson h2,.demo-check{display:none}.demo-lesson{padding:12px 16px;overflow:visible;min-height:153px}.demo-equation{margin:0 0 8px}.demo-feedback{min-height:32px}}
.demo-lesson{min-height:0;overflow-y:auto;scrollbar-width:thin}.demo-check{min-height:36px}.demo-actions button{min-height:40px}.phone-caption button:disabled{cursor:default;border-bottom:0}.phone-back{pointer-events:none}.demo-lesson input{font-size:16px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}.phone-orbit{transform:rotateX(0) rotateY(0) rotateZ(0);will-change:auto}}