*{box-sizing:border-box}
:root{color-scheme:light;--paper:#f7f7f2;--ink:#17172a;--muted:#5d6271;--line:#d9dcd9;--surface:#fff;--sky:#e4f6fb;--night:#141325;--violet:#6f54ff;--acid:#d7ff54;--shell:min(1240px,calc(100% - 96px))}
html[data-theme=dark]{color-scheme:dark;--paper:#1c1d2c;--ink:#f7f7f2;--muted:#b7bdc8;--line:#424455;--surface:#272938;--sky:#242e3d}
html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.55 Onest,system-ui,sans-serif}a{color:inherit;text-decoration:none}button,select{font:inherit}button,a,summary,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #8068ff;outline-offset:5px}img{display:block;max-width:100%;height:auto}svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,p{margin-top:0}h1,h2,h3{overflow-wrap:normal;text-wrap:balance}h2{font-size:clamp(36px,4.5vw,64px);line-height:1.07;letter-spacing:-.045em;font-weight:600}h3{font-weight:500;letter-spacing:-.025em}button,select{color:inherit}[hidden]{display:none!important}::selection{background:#d7ff54;color:#17172a}.section-shell{width:var(--shell);margin-inline:auto}.icon-library{position:absolute;width:0;height:0;overflow:hidden}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-80px;left:12px;z-index:200;background:var(--acid);color:#17172a;padding:10px 18px;border-radius:8px}.skip-link:focus{top:12px}.section-kicker{font-size:12px;line-height:1.4;font-weight:700;letter-spacing:.09em;text-transform:uppercase;margin:0 0 24px;color:var(--muted)}.reveal{opacity:1}.inline-link{font-weight:600;border-bottom:1px solid currentColor;padding-bottom:4px}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:58px;padding:16px 27px;border-radius:14px;font-weight:600;font-size:16px;line-height:1.2;transition:background .2s,transform .2s}.button svg{width:20px;height:20px;flex-shrink:0}.button:hover{transform:translateY(-2px)}.button-electric{color:#17172a;background:var(--acid)}.button-electric:hover{background:#e5ff97}.button-dark{background:#17172a;color:white}.button-dark:hover{background:#343347}
.site-header{position:absolute;inset:0 0 auto;z-index:100;color:white;padding:23px 0}.header-inner{width:var(--shell);margin:auto;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.06em;white-space:nowrap}.brand-logo{width:36px;height:36px;border-radius:10px}.desktop-nav{display:flex;gap:25px;margin-inline-start:auto}.desktop-nav a{font-size:13px;color:#c4c3ce}.desktop-nav a:hover{color:white}.header-actions{display:flex;align-items:center;gap:10px}.locale-control{display:flex;gap:5px;align-items:center}.locale-control svg{width:17px;height:17px}.locale-control select{background:transparent;border:0;font-size:12px;width:51px;height:40px;color:white}.locale-control option{background:#141325;color:white}.theme-toggle{background:none;border:1px solid #555364;border-radius:50%;height:36px;width:36px;color:white}.button-header{min-height:40px;padding:10px 15px;border:1px solid #73707f;font-size:12px;border-radius:10px}.button-header svg{width:16px;height:16px}
.locale-icon{display:flex;align-items:center;justify-content:center}
.hero-world{background:var(--night);color:#fff;padding:150px 0 45px;overflow:hidden}.hero-grid{display:flex;flex-direction:column;align-items:center}.hero-copy{text-align:center;max-width:1050px}.hero-kicker{color:#b8b6c8;font-size:12px;margin:0 0 26px;letter-spacing:.08em;text-transform:uppercase}.hero-kicker b{font-weight:500}.hero-copy h1{font-size:clamp(52px,6.9vw,100px);line-height:1.02;letter-spacing:-.065em;font-weight:500;margin:0}.hero-copy h1 span{display:block}.hero-accent{color:var(--acid)}.hero-lead{max-width:650px;margin:25px auto 0;color:#c9c7d4;font-size:18px;line-height:1.55;text-wrap:balance}.hero-actions{display:flex;gap:27px;align-items:center;justify-content:center;margin-top:28px}.text-link{font-size:14px;display:flex;gap:12px;align-items:center;color:#dddbe7}.text-link i{font-style:normal;color:var(--acid)}.hero-note{color:#aaa8bb;font-size:12px;margin:17px 0 0}.hero-demo{position:relative;display:grid;grid-template-columns:210px 1fr;column-gap:26px;width:min(820px,100%);margin:40px auto 0;align-items:center}.hero-character{position:relative;align-self:end}.hero-character img{width:200px;height:200px;object-fit:contain}.hero-character>span{position:absolute;bottom:0;left:42%;font-size:12px;color:#aaa8bb}.hero-dialogue{padding:12px 0}.bubble{font-size:clamp(20px,2.5vw,33px);line-height:1.25;padding:22px 27px;border-radius:22px;margin:0 0 12px;width:fit-content;letter-spacing:-.02em}.bubble-piko{background:#fff;color:#17172a;border-bottom-left-radius:5px}.bubble-you{margin-inline-start:auto;background:#c9eef8;color:#17364a;border-bottom-right-radius:5px}.bubble del{font-size:.75em;color:#a84950;margin-right:5px;text-decoration-thickness:1px}.bubble ins{color:#147955;text-decoration:none}.hero-learning{display:flex;gap:12px;align-items:center;justify-content:flex-end;color:#c6c3d5;font-size:13px;margin-top:20px}.hero-learning svg{color:var(--acid);width:18px;height:18px}.hero-learning>span:last-child{color:var(--acid);font-size:20px}.demo-note{grid-column:1/-1;text-align:center;color:#9694a9;font-size:10px;margin:28px 0 0}
/* A pale green light hero separates the first screen from the paper-colored learning section. */
html[data-theme=light] .hero-world{background:#edf2df;color:var(--ink)}
/* The primary action needs a dark fill against the light hero, including on hover. */
html[data-theme=light] .hero-actions .button-electric{background:#526d00;color:#fff}
html[data-theme=light] .hero-actions .button-electric:hover{background:#405600}
html[data-theme=light] .site-header{color:var(--ink)}
html[data-theme=light] .desktop-nav a,html[data-theme=light] .hero-kicker,html[data-theme=light] .hero-lead,html[data-theme=light] .text-link,html[data-theme=light] .hero-note,html[data-theme=light] .hero-character>span,html[data-theme=light] .hero-learning,html[data-theme=light] .demo-note{color:var(--muted)}
html[data-theme=light] .desktop-nav a:hover{color:var(--ink)}
html[data-theme=light] .locale-control select,html[data-theme=light] .theme-toggle{color:var(--ink)}
html[data-theme=light] .locale-control option{background:var(--surface);color:var(--ink)}
html[data-theme=light] .theme-toggle,html[data-theme=light] .button-header{border-color:var(--line)}
html[data-theme=light] .hero-accent,html[data-theme=light] .text-link i,html[data-theme=light] .hero-learning svg,html[data-theme=light] .hero-learning>span:last-child{color:#526d00}
html[data-theme=light] .hero-character img{background:transparent}
/* Quiet, open orbit behind the headline; decorative and motion-preference aware. */
.hero-copy{position:relative;isolation:isolate}
.hero-orbit{position:absolute;z-index:-1;pointer-events:none;left:50%;top:-48px;width:115%;aspect-ratio:1;transform:translateX(-50%) scaleY(.38);transform-origin:50% 0}
.hero-orbit-ring{--orbit-rgb:215,255,84;width:100%;height:100%;border-radius:50%;background:conic-gradient(from 20deg,transparent 0deg,rgba(var(--orbit-rgb),.08) 20deg,rgba(var(--orbit-rgb),.6) 65deg,transparent 100deg,transparent 180deg,rgba(var(--orbit-rgb),.05) 200deg,rgba(var(--orbit-rgb),.4) 245deg,transparent 280deg);mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));animation:hero-orbit-turn 26s linear infinite}
html[data-theme=light] .hero-orbit-ring{--orbit-rgb:82,109,0}
@keyframes hero-orbit-turn{to{transform:rotate(360deg)}}
@media(max-width:600px){.hero-orbit{top:-24px;width:118%;transform:translateX(-50%) scaleY(.65)}}
.hero-character img{opacity:0;transition:opacity .7s ease}
.hero-character img:not(:first-child){position:absolute;top:0;left:0}
.hero-character img.is-current{opacity:1}
.hero-word{display:inline-block;background:linear-gradient(#c5e1a5,#c5e1a5) left center/0% 100% no-repeat;border-radius:4px}
.loop-section{padding:110px 0 0}.section-intro{max-width:850px;margin-bottom:48px}.section-intro h2{margin:0 0 22px}.section-intro>p:last-child{font-size:18px;max-width:660px;color:var(--muted);margin-bottom:0}.practice-trace{background:var(--sky);border-radius:28px;overflow:hidden}.trace-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid #bdd6e0}.trace-step{display:flex;align-items:center;gap:12px;justify-content:center;padding:24px 12px;border:0;border-inline-end:1px solid #bdd6e0;background:none;text-align:start;color:var(--muted);position:relative}.trace-step:last-child{border-inline-end:0}.trace-step span{font-size:11px}.trace-step b{font-size:15px;font-weight:500}.trace-step.is-active{background:#b7e3f1;color:#123b50}.trace-step.is-active:after{position:absolute;content:"";bottom:-1px;height:3px;inset-inline:0;background:#1685b6}.trace-stage{padding:25px 48px 38px}.trace-context{display:flex;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);margin-bottom:32px}.trace-context b{font-weight:500}.trace-screen{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center;min-height:330px;animation:enter .3s ease}.trace-product{background:white;color:#17172a;border:1px solid #cfdee4;border-radius:23px;padding:26px 30px;box-shadow:0 12px 24px #17364a0a;min-height:285px}.fragment-label{font-weight:600;font-size:13px;margin-bottom:22px}.chat-fragment{background:#c3edf6}.chat-fragment .bubble{font-size:22px;padding:17px 20px}.chat-fragment .bubble-you{background:#e9f9fc}.product-toolbar{display:flex;align-items:center;gap:10px;margin-top:26px;font-size:11px;color:#365e6d}.product-toolbar svg{width:22px;height:22px}.error-word{color:#b63840;border-bottom:2px solid #b63840}.trace-caption .chapter-number{color:#748d97;font-size:13px;display:block;margin-bottom:24px}.trace-caption h3{font-size:clamp(28px,3vw,42px);line-height:1.1;margin:0 0 20px}.trace-caption p{font-size:15px;line-height:1.6;color:var(--muted);margin:0;max-width:360px}.trace-caption .inline-link{display:inline-block;margin-top:22px;font-size:14px}.wrong-sentence,.right-sentence{font-size:25px;line-height:1.4;margin:12px 0}.wrong-sentence{color:#a93c45}.right-sentence{color:#087843}.right-sentence ins,.repeat-fragment ins{text-decoration:none}.explanation{margin:22px 0 0;font-size:14px;padding:17px 18px;background:#e7f7fc;border-radius:10px;color:#335461}.issue-fragment{position:relative}.issue-fragment h4{font-size:24px;margin:0 0 16px}.issue-fragment small{color:#646b75;font-size:11px}.issue-fragment .wrong-sentence,.issue-fragment .right-sentence{font-size:19px;margin:3px 0 14px}.issue-tag{position:absolute;top:24px;right:24px;border-radius:20px;padding:4px 10px;background:#e9f4d7;color:#436527;font-size:11px}.repeat-label{display:flex;align-items:center;justify-content:center;gap:10px;background:#007bb5;border-radius:12px;color:white;padding:11px;font-size:13px}.repeat-label svg{width:22px;height:22px}.repeat-fragment{text-align:center}.repeat-fragment .fragment-label{text-align:start}.repeat-mic{display:grid;place-items:center;margin:4px auto 19px;width:66px;height:66px;border-radius:50%;background:#dff4fd;color:#007bb5}.repeat-mic svg{width:30px;height:30px}.repeat-fragment small{font-size:11px;color:#646b75}.repeat-fragment p{font-size:28px;margin:10px 0}.repeat-fragment ins{color:#087843}.success-label{display:flex;align-items:center;justify-content:center;gap:10px;color:#087843;font-size:14px}.success-label svg{width:25px;height:25px}.trace-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 48px;border-top:1px solid #bdd6e0}.trace-foot p{font-size:11px;margin:0;color:var(--muted)}.trace-foot button{display:flex;align-items:center;gap:22px;background:transparent;border:0;padding:8px 0;font-size:13px;font-weight:600}.trace-foot button svg{width:21px;height:21px}.difference-section{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:44px 0 96px}.difference-section>div{border-inline-start:1px solid var(--line);padding-inline-start:23px}.difference-section span{font-size:11px;color:var(--muted)}.difference-section p{font-size:20px;line-height:1.3;margin:9px 0 0;letter-spacing:-.02em}.difference-section .is-buddylang{border-color:var(--violet)}.difference-section .is-buddylang span{color:var(--violet);font-weight:700}

/* Learning-language screen: the app's off-white profile panel, blue rail and check. */
.learning-languages{padding:64px 0 0}
.learning-language-panel{max-width:960px;margin:auto;padding:32px 40px;background:#fffbfa;color:#071126;border:1px solid #e4e8f1;border-radius:24px;box-shadow:0 12px 40px #07112608;color-scheme:light}
.learning-languages+.loop-section{padding-top:64px}
.learning-language-heading{max-width:640px;margin-bottom:26px}
.learning-language-kicker{font-size:14px;font-weight:500;color:#667089;margin-bottom:14px}
.learning-language-heading h2{font-size:32px;line-height:1.19;font-weight:700;letter-spacing:-.025em;margin-bottom:8px}
.learning-language-heading>p:last-child{font-size:17px;line-height:1.42;color:#667089;margin-bottom:0}
.learning-language-fieldset{min-width:0;margin:0;padding:0;border:0}
.learning-language-fieldset legend{padding:0;margin-bottom:8px;font-size:18px;line-height:24px;font-weight:600}
.learning-language-list{display:grid;grid-template-rows:repeat(3,auto);grid-auto-flow:column;grid-auto-columns:280px;column-gap:16px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;scrollbar-color:#b8c4db #f1f3f8;padding-bottom:12px}
.learning-language-choice{position:relative;cursor:pointer;min-width:0;scroll-snap-align:start}
.learning-language-choice input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.learning-language-row{position:relative;display:flex;align-items:center;gap:14px;min-height:74px;padding:16px 20px;border-bottom:1px solid #e4e8f1}
.learning-language-flag{display:flex;align-items:center;justify-content:center;width:40px;flex-shrink:0;font:30px/1 "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif}
.learning-language-name{flex:1;min-width:0;font-size:16px;line-height:1.4;overflow-wrap:anywhere}
.learning-language-check{position:relative;width:25px;height:25px;flex-shrink:0;border:1.3px solid #c8ceda;border-radius:50%}
.learning-language-choice:hover .learning-language-row{background:#f2f5fc}
.learning-language-choice input:checked+.learning-language-row{background:#edf2fd}
.learning-language-choice input:checked+.learning-language-row:before{content:"";position:absolute;inset-block:0;inset-inline-start:0;width:3px;background:#1263f4}
.learning-language-choice input:checked+.learning-language-row .learning-language-check{background:#1263f4;border-color:#1263f4}
.learning-language-choice input:checked+.learning-language-row .learning-language-check:after{content:"";position:absolute;top:50%;left:50%;width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:translate(-50%,-60%) rotate(45deg)}
.learning-language-choice input:focus-visible+.learning-language-row{outline:3px solid #1263f4;outline-offset:-3px;border-radius:4px}
.learning-language-footer{display:flex;flex-direction:column;align-items:center;margin-top:22px}
.learning-language-footer p{font-size:12px;color:#667089;margin-bottom:8px;text-align:center}
.learning-language-start{display:flex;align-items:center;justify-content:center;position:relative;min-height:56px;width:min(100%,440px);padding:12px 54px;border:1px solid #1059dc;border-radius:7px;background:#1263f4;color:white;font-size:17px;font-weight:600;text-align:center}
.learning-language-start svg{position:absolute;inset-inline-end:20px;width:28px;height:20px}
.learning-language-start:hover{background:#1059dc}
html[data-theme=dark] .learning-language-panel{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:none;color-scheme:dark}
html[data-theme=dark] .learning-language-kicker,html[data-theme=dark] .learning-language-heading>p:last-child,html[data-theme=dark] .learning-language-footer p{color:var(--muted)}
html[data-theme=dark] .learning-language-row{border-color:var(--line)}
html[data-theme=dark] .learning-language-check{border-color:#7b8196}
html[data-theme=dark] .learning-language-choice:hover .learning-language-row{background:#303449}
html[data-theme=dark] .learning-language-choice input:checked+.learning-language-row{background:#25395b}
html[data-theme=dark] .learning-language-list{scrollbar-color:#737d98 var(--surface)}
@media(max-width:600px){.learning-languages{padding-top:40px}.learning-languages+.loop-section{padding-top:40px}.learning-language-panel{padding:24px 20px;border-radius:18px}.learning-language-heading h2{font-size:31px;line-height:36px}.learning-language-heading>p:last-child{font-size:16px;line-height:23px}.learning-language-list{grid-auto-columns:260px}.learning-language-row{padding-inline:16px}.learning-language-fieldset legend{font-size:17px}.learning-language-start{width:100%}}
.roleplay-section{padding:95px 0;background:#25203e;color:white}.roleplay-copy{display:grid;grid-template-columns:1.3fr .7fr;column-gap:70px;align-items:end}.roleplay-copy .section-kicker{grid-column:1/-1;color:#b6accf}.roleplay-copy h2{margin:0;max-width:750px}.roleplay-copy>p:not(.section-kicker){font-size:16px;color:#c6bfd7;margin:0 0 4px}.scenario-picker{display:flex;gap:9px;grid-column:1/-1;margin:38px 0 28px;flex-wrap:wrap}.scenario-picker button{display:flex;align-items:center;gap:10px;border:1px solid #685e7e;border-radius:30px;padding:12px 19px;min-height:46px;background:transparent;color:#d8d2e5;font-size:13px}.scenario-picker button span{display:none}.scenario-picker button b{font-weight:500}.scenario-picker button.is-active{background:#ddd3fa;border-color:#ddd3fa;color:#26213c}.call-studio{display:grid;grid-template-columns:.8fr 1.2fr;border:1px solid #5b516f;background:#1b192c;border-radius:28px;overflow:hidden;min-height:510px}.call-presence{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#302942;padding:35px 30px;text-align:center}.call-example{font-size:11px;color:#c4b9d9;margin-bottom:25px}.call-presence img{width:180px;height:180px;object-fit:contain}.call-presence strong{font-size:20px;font-weight:500;margin-top:8px}.call-presence>span{font-size:12px;color:#b7adcc;margin-top:15px}.voice-wave{height:30px;display:flex;gap:5px;align-items:center;justify-content:center;margin-top:22px}.voice-wave i{display:block;width:4px;height:10px;border-radius:3px;background:#c4b0ed}.voice-wave i:nth-child(2n){height:23px}.voice-wave i:nth-child(3n){height:16px}.call-studio.is-speaking .voice-wave i{animation:voice .7s ease-in-out 3 alternate}.voice-wave i:nth-child(2n){animation-delay:.1s}.call-dialogue{display:flex;flex-direction:column;padding:38px 42px;min-height:510px;gap:20px}.call-turn{animation:enter .3s ease}.speaker,.call-turn>small{display:block;color:#b9aed2;font-size:11px;margin-bottom:9px}.call-turn h3{font-size:clamp(23px,2.3vw,31px);line-height:1.25;margin:0;max-width:560px;text-wrap:pretty}.call-turn p{font-size:19px;line-height:1.4;margin:0}.call-answer{border-inline-start:2px solid #8ecaad;padding-inline-start:20px}.call-answer>small{color:#8ecaad}.call-suggestion{background:#302b47;padding:12px 16px;border-radius:12px;margin-top:14px}.call-suggestion small{display:block;color:#b9aed2;font-size:10px;margin-bottom:3px}.call-suggestion b{font-size:14px;font-weight:400}.call-followup{padding-top:5px}.call-followup p{font-size:18px}.call-next{display:flex;gap:18px;align-items:center;justify-content:space-between;align-self:start;border:0;border-bottom:1px solid #877b9d;background:none;color:#e4d9fb;padding:12px 0;font-size:13px;margin-top:auto;min-width:190px}.call-next svg{width:20px;height:20px}
.after-section{padding:110px 0 90px}.after-heading{max-width:850px;margin-bottom:50px}.after-heading h2{margin-bottom:20px}.after-heading>p:last-child{font-size:17px;color:var(--muted);max-width:610px}.after-canvas{display:grid;gap:28px}.after-canvas article{display:grid;grid-template-columns:1fr 1fr;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:24px;overflow:hidden;min-height:320px}.recall-copy{padding:44px 48px}.recall-copy .section-kicker{font-size:10px;margin-bottom:20px}.recall-copy h3{font-size:32px;line-height:1.15;margin:0 0 18px}.recall-copy p{font-size:14px;color:var(--muted);max-width:360px;margin:0}.real-crop{position:relative;overflow:hidden;align-self:stretch;min-height:330px;direction:ltr}.real-crop img{position:absolute;max-width:none;height:auto}.card-crop{background:#e0f5f8}.card-crop img{width:110%;left:-5%;top:-235px}.chain-crop{background:#e8edff}.chain-crop img{width:110%;left:-5%;top:-470px}
.proof-section{padding:50px 0 90px;display:grid;grid-template-columns:.8fr 1.2fr;gap:100px;align-items:center}.proof-score .section-kicker{margin-bottom:25px}.proof-score>div{display:flex;gap:18px;align-items:center;margin-bottom:25px}.proof-score strong{font-size:82px;font-weight:500;line-height:1;letter-spacing:-.07em}.proof-score>div span{font-size:15px;color:var(--violet);letter-spacing:.12em}.proof-score h2{font-size:31px;line-height:1.2;margin-bottom:20px}.proof-score>p:not(.section-kicker){font-size:12px;color:var(--muted);margin-bottom:12px}.proof-score>a{font-size:12px;border-bottom:1px solid var(--line);display:inline-flex;gap:10px;align-items:center;padding-bottom:4px}.review-stack blockquote{margin:0;padding:30px 0;border-bottom:1px solid var(--line)}.review-stack blockquote:first-child{border-top:1px solid var(--line)}.review-stack blockquote p{font-size:25px;line-height:1.4;letter-spacing:-.025em;margin:0 0 23px}.review-stack footer{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center}.review-stack footer b{font-weight:500;font-size:13px}.review-stack footer small{font-size:10px;color:var(--muted)}
.questions-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px;padding:30px 0 110px}.questions-heading h2{font-size:38px}.questions-list{border-top:1px solid var(--line)}.questions-list details{border-bottom:1px solid var(--line)}.questions-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;padding:22px 0;font-size:16px;line-height:1.4}.questions-list summary::-webkit-details-marker{display:none}.questions-list summary i{font:400 24px Onest;color:var(--muted);transition:transform .2s}.questions-list details[open] summary i{transform:rotate(45deg)}.questions-list details p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 28px 24px 0}
.final-cta{background:var(--acid);color:#17172a;padding:80px 0}.final-shell{display:grid;grid-template-columns:1.4fr .6fr;gap:60px;align-items:center}.final-copy .section-kicker{color:#4b5827}.final-copy h2{font-size:clamp(40px,5.5vw,77px);margin:0 0 26px}.final-copy h2 span,.final-copy h2 em{display:block;font-style:normal}.final-copy>p:not(.section-kicker){max-width:510px;font-size:16px;color:#3e482d;margin:0 0 25px}.final-copy p.final-note{font-size:11px;margin:16px 0 0}.final-hello{display:flex;flex-direction:column;align-items:center}.final-hello>img{width:245px;height:245px;object-fit:contain;transform:translateX(-9px)}.final-hello button{display:flex;align-items:center;gap:12px;border:1px solid #9dbd38;border-radius:15px;padding:12px 16px;background:none;color:#17172a;text-align:start}.final-hello button b{display:block;font-size:12px;font-weight:500}.final-hello button small{display:block;font-size:10px;color:#4d5a30}.voice-play-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#17172a;color:white;font-style:normal;font-size:10px;flex-shrink:0}.download{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:50px 0}.download .section-kicker{display:none}.download h2{font-size:20px;letter-spacing:-.02em;line-height:1.3;margin:0;max-width:260px}.download-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.store-badge,.web-badge{display:flex;height:42px;align-items:center;border-radius:8px;overflow:hidden}.store-badge img{width:auto;height:42px}.store-play img{background:black}.web-badge{gap:9px;background:#17172a;color:white;padding:0 12px}.web-badge>svg{width:20px;height:20px}.web-badge small,.web-badge b{display:block;line-height:1.1}.web-badge small{font-size:8px}.web-badge b{font-size:11px;font-weight:500;margin-top:2px}.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:34px 0}.footer-inner{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px}.footer-brand p{font-size:11px;color:var(--muted);margin:12px 0 0}.site-footer nav{display:flex;flex-wrap:wrap;gap:18px}.site-footer nav a{font-size:11px;color:var(--muted)}.copyright{grid-column:1/-1;margin:0;font-size:10px;color:var(--muted)}
@keyframes enter{from{transform:translateY(8px)}to{transform:translateY(0)}}@keyframes voice{to{transform:scaleY(.45)}}
@media(min-width:1600px){:root{--shell:min(1360px,calc(100% - 160px))}.hero-world{padding-top:170px}.hero-copy h1{font-size:108px}.hero-demo{margin-top:48px}.card-crop img{top:-270px}.chain-crop img{top:-520px}}
@media(max-width:1100px){:root{--shell:calc(100% - 64px)}.desktop-nav{display:none}.header-actions{margin-inline-start:auto}.trace-screen{gap:38px}.trace-stage{padding-inline:30px}.trace-foot{padding-inline:30px}.roleplay-copy{column-gap:35px}.call-dialogue{padding:30px}.recall-copy{padding:32px}.card-crop img{top:-190px}.chain-crop img{top:-370px}.proof-section,.questions-section{gap:55px}.download{align-items:start}.download-actions{justify-content:flex-end;max-width:440px}}
@media(max-width:820px){:root{--shell:calc(100% - 48px)}.hero-world{padding-top:133px}.hero-copy h1{font-size:clamp(52px,8.3vw,70px)}.hero-demo{grid-template-columns:170px 1fr;gap:16px}.hero-character img{width:170px;height:170px}.hero-dialogue .bubble{font-size:24px}.trace-screen{gap:28px;grid-template-columns:1.1fr .9fr}.trace-product{padding:23px 20px}.trace-caption h3{font-size:28px}.trace-step b{font-size:12px}.trace-step{gap:8px;padding:22px 8px}.trace-stage{padding-inline:25px}.trace-foot{padding-inline:25px}.chat-fragment .bubble{font-size:18px;padding:15px}.difference-section{gap:15px}.difference-section p{font-size:18px}.roleplay-copy{grid-template-columns:1fr;max-width:650px}.roleplay-copy>p:not(.section-kicker){margin:25px 0 0;max-width:500px}.call-studio{grid-template-columns:.7fr 1.3fr}.call-presence{padding:25px 18px}.call-presence img{width:140px;height:140px}.call-dialogue{padding:28px}.call-turn h3{font-size:24px}.after-canvas article{min-height:300px}.recall-copy{padding:30px}.recall-copy h3{font-size:27px}.real-crop{min-height:300px}.card-crop img{top:-130px;width:130%;left:-15%}.chain-crop img{top:-285px;width:130%;left:-15%}.proof-section,.questions-section{grid-template-columns:1fr 1.25fr;gap:40px}.review-stack blockquote p{font-size:21px}.proof-score h2{font-size:28px}.questions-heading h2{font-size:31px}.final-shell{gap:20px;grid-template-columns:1.4fr .6fr}.final-hello>img{width:180px;height:180px}.final-hello button{padding:10px}.download{flex-direction:column;gap:24px}.download h2{max-width:none}.download-actions{max-width:none;justify-content:flex-start}.footer-inner{grid-template-columns:1fr}.site-footer nav{gap:20px}}
@media(max-width:600px){:root{--shell:calc(100% - 40px)} .section-shell,.header-inner{width:calc(100% - 40px)}.site-header{padding:18px 0}.header-inner{gap:12px}.brand{font-size:17px}.brand-logo{width:31px;height:31px}.header-actions{gap:9px}.locale-icon,.button-header{display:none}.theme-toggle{height:32px;width:32px}.locale-control select{width:45px}.hero-world{padding:112px 0 31px}.hero-copy h1{font-size:clamp(42px,10.8vw,58px);letter-spacing:-.055em;line-height:1.05}.hero-kicker{font-size:10px;letter-spacing:.045em;margin-bottom:23px}.hero-lead{font-size:15px;margin-top:22px;max-width:360px;line-height:1.5}.hero-actions{flex-direction:column;gap:18px;margin-top:25px}.hero-actions .button{width:100%;min-height:54px;font-size:14px}.text-link{font-size:12px}.hero-note{font-size:10px;margin-top:17px}.hero-demo{grid-template-columns:1fr;margin-top:30px;gap:0;width:100%}.hero-character{position:absolute;width:77px;height:77px;left:-4px;top:2px}.hero-character img{width:77px;height:77px}.hero-character>span{display:none}.hero-dialogue{padding:0}.hero-dialogue .bubble{font-size:18px;padding:16px 17px;border-radius:17px;letter-spacing:-.02em}.hero-dialogue .bubble-piko{margin-left:75px;border-bottom-left-radius:4px}.hero-dialogue .bubble-you{margin:18px 0 0 auto;border-bottom-right-radius:4px;min-width:230px}.hero-learning{font-size:10px;margin-top:18px;gap:8px}.demo-note{font-size:9px;margin-top:22px}.loop-section{padding-top:68px}.section-kicker{font-size:10px;margin-bottom:19px}h2{font-size:36px;line-height:1.08;letter-spacing:-.045em}.section-intro{margin-bottom:30px}.section-intro h2{margin-bottom:17px}.section-intro>p:last-child{font-size:14px}.practice-trace{border-radius:20px}.trace-steps{grid-template-columns:repeat(4,minmax(0,1fr))}.trace-step{flex-direction:column;align-items:start;padding:15px 9px;gap:7px;min-height:80px}.trace-step span{font-size:9px}.trace-step b{font-size:11px;line-height:1.3}.trace-stage{padding:20px 18px 26px}.trace-context{font-size:9px;margin-bottom:24px;gap:10px}.trace-context>span:first-child{max-width:210px}.trace-context>span:last-child{white-space:nowrap}.trace-screen{grid-template-columns:1fr;gap:25px;min-height:474px;align-content:start}.trace-product{min-height:248px;padding:23px 21px;border-radius:17px}.trace-caption .chapter-number{display:none}.trace-caption h3{font-size:28px;margin-bottom:12px}.trace-caption p{font-size:13px;line-height:1.6}.trace-caption .inline-link{font-size:12px;margin-top:15px}.chat-fragment .bubble{font-size:18px;padding:16px}.fragment-label{font-size:11px;margin-bottom:20px}.wrong-sentence,.right-sentence{font-size:24px}.explanation{font-size:12px;padding:13px}.repeat-fragment p{font-size:25px}.trace-foot{padding:14px 18px;gap:15px}.trace-foot p{font-size:9px;max-width:160px}.trace-foot button{font-size:11px;gap:9px;white-space:nowrap}.difference-section{grid-template-columns:1fr;gap:21px;padding:32px 0 65px}.difference-section>div{display:flex;align-items:baseline;gap:17px;padding-inline-start:16px}.difference-section span{width:84px;flex-shrink:0;font-size:10px}.difference-section p{font-size:15px;margin:0}.roleplay-section{padding:65px 0}.roleplay-copy>p:not(.section-kicker){font-size:14px;margin-top:21px}.scenario-picker{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:28px 0 22px}.scenario-picker button{font-size:11px;padding:10px 12px;min-height:43px;justify-content:center}.call-studio{display:flex;flex-direction:column;border-radius:20px;min-height:0}.call-presence{position:relative;min-height:142px;padding:25px 20px 23px 126px;align-items:start;text-align:start;justify-content:center}.call-presence img{position:absolute;left:18px;top:25px;width:90px;height:90px}.call-example{font-size:9px;margin:0 0 6px}.call-presence strong{font-size:20px;margin:0}.call-presence>span{font-size:10px;margin-top:8px}.voice-wave{position:absolute;right:23px;top:51px;margin:0;height:20px;gap:3px}.voice-wave i{width:3px;height:7px}.voice-wave i:nth-child(2n){height:16px}.voice-wave i:nth-child(3n){height:11px}.call-dialogue{padding:26px 22px;min-height:435px;gap:21px}.call-turn h3{font-size:26px;line-height:1.25}.call-turn p{font-size:17px}.call-followup p{font-size:16px}.call-suggestion{padding:10px 13px}.call-suggestion b{font-size:12px}.call-next{font-size:12px}.after-section{padding:65px 0 40px}.after-heading{margin-bottom:28px}.after-heading>p:last-child{font-size:14px}.after-canvas{gap:20px}.after-canvas article{display:flex;flex-direction:column;align-items:stretch;border-radius:20px}.recall-copy{padding:28px 25px}.recall-copy h3{font-size:28px}.recall-copy p{font-size:13px}.recall-copy .section-kicker{margin-bottom:17px}.real-crop{height:255px;min-height:255px;order:2}.card-crop img{width:110%;left:-5%;top:-170px}.chain-crop img{width:110%;left:-5%;top:-315px}.proof-section{padding:35px 0 55px;grid-template-columns:1fr;gap:18px}.proof-score>div{margin-bottom:19px}.proof-score strong{font-size:68px}.proof-score h2{font-size:31px;max-width:310px}.proof-score>p:not(.section-kicker){font-size:11px}.review-stack blockquote{padding:24px 0}.review-stack blockquote p{font-size:22px}.review-stack footer{gap:6px 14px}.questions-section{grid-template-columns:1fr;gap:15px;padding:15px 0 65px}.questions-heading h2{font-size:33px;max-width:300px}.questions-list summary{font-size:15px;padding:20px 0}.questions-list details p{font-size:13px}.final-cta{padding:56px 0 32px}.final-shell{display:flex;flex-direction:column;align-items:stretch;gap:30px}.final-copy h2{font-size:42px;line-height:1.08}.final-copy>p:not(.section-kicker){font-size:14px}.final-copy .button{width:100%;font-size:14px}.final-copy p.final-note{font-size:10px;text-align:center}.final-hello{flex-direction:row;justify-content:center;gap:10px}.final-hello>img{width:118px;height:118px;transform:none}.final-hello button{padding:10px 12px}.final-hello button b{font-size:11px}.final-hello button small{font-size:9px}.download{padding:35px 0}.download h2{font-size:19px;max-width:230px}.download-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:335px}.store-badge,.web-badge{height:42px;justify-content:center;background:black}.store-badge img{max-width:100%;height:42px;object-fit:contain}.web-badge{padding:0 10px}.site-footer{padding:30px 0}.footer-inner{gap:25px}.footer-brand p{max-width:270px}.site-footer nav{gap:16px;font-size:10px}.copyright{font-size:10px}}
html[dir=rtl] .hero-dialogue{direction:ltr}html[dir=rtl] .trace-step{text-align:right}html[dir=rtl] .call-answer{border-inline-start:2px solid #8ecaad}html[dir=rtl] .call-presence{direction:ltr}html[dir=rtl] .call-dialogue{direction:ltr}html[data-theme=dark] .trace-step.is-active{background:#b7e3f1;color:#123b50}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.button:hover{transform:none}}

/* Review 1: show the learning content, keep Piko transparent, reduce empty stages. */
.real-crop.card-crop img{width:100%;left:0;top:16px;transform:translateY(-65%)}
.real-crop.chain-crop img{width:100%;left:0;top:14px;transform:translateY(-48%)}
.hero-character img{object-position:center bottom}.hero-character>span{position:static;display:block;width:200px;margin-top:8px;text-align:center;font-size:14px;line-height:1.4;font-weight:500;color:#c6c3d5}
.call-dialogue{min-height:440px}.call-studio{min-height:440px}
.call-presence img{border-radius:50%;background:#443759;padding:10px}
@media(max-width:600px){.trace-screen{min-height:420px}.call-dialogue{min-height:395px}.call-studio{min-height:0}.hero-character img{border-radius:50%;background:#302942;padding:5px}.real-crop{min-height:235px;height:235px}.real-crop.card-crop img{top:10px}.real-crop.chain-crop img{top:20px}}

/* Review 2: a complete conversation at first sight and tighter optical rhythm. */
.call-presence{padding-block:30px}.call-answer{margin-top:0}
@media(max-width:600px){.hero-world{padding-top:106px}.hero-character{width:68px;height:68px;top:5px}.hero-character img{width:68px;height:68px}.hero-dialogue .bubble-piko{margin-left:68px;font-size:17px}.hero-dialogue .bubble-you{margin-top:15px}.trace-screen{min-height:410px}.final-copy h2{font-size:39px}.call-dialogue{min-height:435px}.call-presence{padding-block:23px}}
/* Review 3: readable small labels in both themes. */
.bubble ins{color:#086a47}.trace-caption .chapter-number{color:var(--muted)}
.hero-dialogue del{font-size:1em;margin-right:0;text-decoration-thickness:2px;text-decoration-color:currentColor}
.hero-dialogue ins{font-weight:500}
@media(min-width:601px) and (max-width:820px){.hero-character>span{width:170px}}
@media(max-width:600px){.hero-character>span{display:block;width:68px;font-size:11px;margin-top:4px}}
.difference-section .is-buddylang span{color:#6145e8}
html[data-theme=dark] .difference-section .is-buddylang span{color:#b4a1ff}
.proof-score>div span{color:#684bea}
html[data-theme=dark] .proof-score>div span{color:#b4a1ff}
.practice-trace{background:#d5eaf0}
.trace-step.is-active{background:#a8d7e4}
html[data-theme=dark] .practice-trace{background:var(--sky)}

/* Keep rotating portraits and their names legible at each breakpoint. */
.hero-demo{grid-template-columns:240px 1fr}
.hero-character img{width:230px;height:230px}
.hero-character>span{width:230px}
@media(min-width:601px) and (max-width:820px){.hero-demo{grid-template-columns:195px 1fr}.hero-character img{width:190px;height:190px}.hero-character>span{width:190px}}
@media(max-width:600px){.hero-demo{grid-template-columns:1fr}.hero-character{width:80px;height:100px}.hero-character img{width:80px;height:80px}.hero-character>span{width:80px}.hero-dialogue .bubble-piko{margin-left:84px}}

/* Overlapping grid cells reserve the tallest step without exposing inactive content. */
.trace-stage{display:grid;grid-template-columns:minmax(0,1fr);overflow:hidden}
.trace-context{grid-column:1;grid-row:1}
.trace-screen{grid-column:1;grid-row:2;animation:none;min-width:0}
.trace-screen[hidden]{display:grid;visibility:hidden;pointer-events:none}

/* Shared download frames and larger logos; labels follow the page language. */
.download-actions .store-badge,.download-actions .web-badge{width:156px;height:52px;flex-shrink:0;justify-content:flex-start;gap:10px;padding:0 10px;border:1px solid #fff;border-radius:8px;background:#000;color:#fff}
.download-actions .download-icon,.download-actions .web-badge>svg{width:32px;height:32px;flex-shrink:0;overflow:hidden}
.download-actions small,.download-actions b{display:block;line-height:1.15}
.download-actions small{font-size:9px}
.download-actions b{font-size:14px;font-weight:500;margin-top:3px}
.download-actions .web-badge b{font-size:11px}
.download-actions .download-icon{stroke:none}
.download-actions .store-badge{position:relative;overflow:visible}
.download .download-actions{row-gap:24px}
.store-rating{position:absolute;top:0;inset-inline-end:8px;transform:translateY(-50%);display:flex;align-items:center;gap:4px;padding:3px 7px;border:1px solid #a6a6a6;border-radius:999px;background:#17172a;color:#fff;font-size:11px;font-weight:600;line-height:1;white-space:nowrap;direction:ltr;font-variant-numeric:tabular-nums}
.store-rating svg{width:12px;height:12px;fill:#ffd166;stroke:none}
@media(max-width:600px){.store-rating{top:-2px;transform:translateY(-100%)}}

/* Keep desktop downloads identical in size and style to the existing store badges. */
.download-platforms{min-width:0}
.download-platforms .download-actions{justify-content:flex-start}
.desktop-downloads{margin-top:18px}
.desktop-badge{display:flex;align-items:center;text-align:start;font:inherit;opacity:1;cursor:pointer}
.linux-logo{width:32px;height:32px;flex-shrink:0;font-size:28px;line-height:32px;text-align:center}
.download-toast{position:fixed;z-index:200;inset-inline:20px;bottom:calc(24px + env(safe-area-inset-bottom));width:max-content;max-width:calc(100% - 40px);box-sizing:border-box;margin-inline:auto;padding:14px 20px;border:1px solid var(--line);border-radius:12px;background:var(--ink);color:var(--paper);box-shadow:0 8px 30px #0003;font-size:14px;line-height:1.4;visibility:hidden;pointer-events:none}
.download-toast.is-visible{visibility:visible}
@media(max-width:600px){.desktop-downloads{margin-top:26px}}

.call-demo-header{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;padding:18px 28px;border-bottom:1px solid #ffffff20;font-size:14px}
.call-demo-header [data-call-progress]{padding:6px 12px;border-radius:16px;background:#ffffff20;font-variant-numeric:tabular-nums}
.call-presence .call-example{display:none}
.call-demo-controls{display:flex;justify-content:center;gap:24px;padding-top:0}
.call-demo-controls>div>span{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#ffffff20;flex-shrink:0;color:white}
.call-demo-controls>div>.call-demo-mic{background:#7860dc}
.call-demo-controls>div>.call-demo-hangup{background:#d84960}
.call-demo-ended{display:flex;align-items:center;justify-content:center;gap:10px;padding:16px;border-radius:14px;background:#8ecaad20;color:#b9edce}
.call-demo-ended[hidden],.call-turn[hidden]{display:block!important;visibility:hidden;pointer-events:none}
.call-studio[data-stage="4"] .call-demo-controls{visibility:hidden;pointer-events:none}
.call-studio .call-turn:not([hidden]){animation:demo-call-in .45s ease both}
.call-studio[data-stage="2"] .call-demo-mic{animation:demo-recording 1s ease infinite}
.call-studio[data-stage="4"] .voice-wave{opacity:.25}
@keyframes demo-call-in{from{transform:translateY(10px)}to{transform:translateY(0)}}
@keyframes demo-recording{50%{box-shadow:0 0 0 10px #7860dc30;background:#d84960}}
.call-demo-title{display:flex;align-items:center;gap:14px}
.call-demo-title>svg{width:26px;height:26px;fill:none;stroke:#b9edce;stroke-width:1.8}
.call-demo-title strong{display:block;font-size:18px;font-weight:600}
.call-demo-title small{display:block;margin-top:4px;font-size:12px;color:#c6bfd7}
.call-demo-controls>div{display:flex;flex-direction:column;align-items:center;gap:10px;min-width:72px}
.call-demo-controls small{font-size:12px;color:#c6bfd7}
.call-demo-controls svg{width:24px;height:24px;fill:none;stroke:white;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.call-presence [data-call-status]{display:flex;align-items:center;justify-content:center;gap:8px}
.call-presence [data-call-status]:before{content:"";width:7px;height:7px;border-radius:50%;background:#8ecaad;flex-shrink:0}
.call-studio[data-stage="0"] [data-call-status]:before{background:#ead58c;animation:demo-recording 1s ease infinite}
.call-studio[data-stage="2"] [data-call-status]:before{background:#f17f90}
.call-studio[data-stage="4"] [data-call-status]:before{background:#c6bfd7}
.call-studio.is-speaking .call-presence img{box-shadow:0 0 0 6px #a393ee25,0 0 0 14px #a393ee10;transition:box-shadow .4s}
.call-studio:not(.is-speaking) .voice-wave i{animation-play-state:paused;transform:scaleY(.35)}
@media(max-width:600px){.call-demo-header{padding:18px 20px;gap:12px}.call-demo-title{gap:10px}.call-demo-title strong{font-size:16px}.call-demo-title small{max-width:210px;line-height:1.5;font-size:11px}.call-demo-controls{gap:18px}}
.call-demo-controls>div>span>svg{display:block;position:static;inset:auto;width:24px;height:24px;overflow:visible;flex-shrink:0}
.call-demo-header .call-demo-title strong{font-size:24px}
.call-demo-progress{width:210px;flex-shrink:0}
.call-demo-progress>div{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:10px}
.call-demo-progress>div>span{font-size:13px;color:#e2dcee}
.call-demo-header .call-demo-progress [data-call-progress]{padding:0;background:none;font-size:32px;line-height:1.1;font-weight:650;color:#c9f5da}
.call-demo-progress progress{display:block;width:100%;height:8px;border:0;border-radius:8px;overflow:hidden;appearance:none;background:#ffffff20}
.call-demo-progress progress::-webkit-progress-bar{background:#ffffff20;border-radius:8px}
.call-demo-progress progress::-webkit-progress-value{background:#9ee2b8;border-radius:8px;transition:width .6s ease}
.call-demo-progress progress::-moz-progress-bar{background:#9ee2b8;border-radius:8px}
.call-presence [data-call-status]{margin-top:14px;padding:12px 16px;border:1px solid #ffffff25;border-radius:12px;background:#ffffff0a;font-size:15px;font-weight:500;color:#f0ebfa;line-height:1.5}
@media(max-width:600px){.call-demo-header{flex-wrap:wrap}.call-demo-header .call-demo-title strong{font-size:21px}.call-demo-progress{width:100%;padding-top:4px}.call-demo-progress>div{margin-bottom:8px}.call-demo-header .call-demo-progress [data-call-progress]{font-size:28px}.call-presence [data-call-status]{font-size:13px}}
.call-dialogue .call-translation{margin:12px 0 0;padding:12px 16px;border-radius:10px;background:#ffffff0a;border-inline-start:2px solid #b6a4ed;color:#ddd6ec;font-size:15px;font-weight:400;line-height:1.6;letter-spacing:normal}
.call-translation[hidden]{display:none}
@media(max-width:600px){.call-dialogue .call-translation{font-size:14px;padding:10px 12px}}

/* Retina demo captures: the app's own Forest palette, only the demo banner cropped. */
.final-cta{padding:88px 0;background:radial-gradient(ellipse at 80% 35%,#edff94 0,transparent 55%),var(--acid)}
.final-shell{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:72px;align-items:center}
.final-copy h2{font-size:clamp(42px,3.7vw,60px);max-width:600px}
.app-preview{min-width:0;max-width:590px;width:100%;justify-self:center}
.preview-kicker{margin:0 0 14px;font-size:11px;font-weight:650;letter-spacing:.12em;text-transform:uppercase;color:#4b5827}
.app-preview-tabs{display:flex;gap:6px;margin-bottom:24px;flex-wrap:wrap}
.app-preview-tabs button{border:1px solid #52651c26;border-radius:22px;padding:10px 14px;background:#ffffff38;color:#263319;font-size:12px;line-height:1.4;transition:background .2s,color .2s}
.app-preview-tabs button[aria-selected=true]{background:#17172a;color:#fff;border-color:#17172a;box-shadow:0 4px 12px #25310015}
.app-preview-stage{position:relative;padding:16px 50px 34px 110px;isolation:isolate}
.app-preview-stage:before{content:"";position:absolute;inset:15% 0 5%;border:1px solid #637b2426;border-radius:50%;z-index:-2}
.app-preview-phone{position:relative;z-index:1;width:310px;max-width:100%;margin:auto;border:9px solid #17172a;border-radius:36px;overflow:hidden;box-shadow:0 28px 45px -18px #30420b65,0 0 0 1px #ffffff50;background:#f0f8e5;touch-action:pan-y;transform:rotate(-3deg)}
.app-preview-phone img{display:block;width:100%;height:auto}
.app-preview-phone [hidden]{display:none}
.preview-peek{position:absolute;width:245px;inset-inline-end:8px;top:56px;border:7px solid #fff;border-radius:28px;overflow:hidden;transform:rotate(9deg);box-shadow:0 20px 35px #31420b25;opacity:.8;z-index:-1}
.preview-peek img{display:block;width:100%;height:auto}
.app-preview-stage .final-hello{position:absolute;inset-inline-start:-18px;bottom:56px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:0}
.app-preview-stage .final-hello>img{width:215px;height:215px;transform:none;filter:drop-shadow(0 12px 12px #33440020)}
.app-preview-stage .final-hello button{padding:10px 13px;gap:10px;background:#f9ffe8;border:1px solid #bccb8b;border-radius:14px;box-shadow:0 8px 20px #34450015}
.app-preview-stage .final-hello button b{font-size:11px}
.app-preview-stage .final-hello button small{font-size:10px}
.preview-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:4px;min-height:96px}
.preview-caption{max-width:350px}
.preview-caption h3{font-size:20px;line-height:1.3;letter-spacing:-.03em;margin:0 0 9px}
.preview-caption p{font-size:13px;line-height:1.6;color:#43522e;margin:0}
.app-preview-controls{display:flex;align-items:center;gap:12px;flex-shrink:0;direction:ltr}
.app-preview-controls button{width:38px;height:38px;border:1px solid #91ab39;border-radius:50%;background:#ffffff38;color:#17172a;font-size:20px;transition:background .2s}
.app-preview-controls button:hover{background:#fff}
.app-preview-controls span{font-size:11px;font-variant-numeric:tabular-nums;white-space:nowrap}
.app-preview button:focus-visible{outline:3px solid #2e7d32;outline-offset:3px}
@media(max-width:1100px){.final-shell{gap:30px;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}.app-preview-stage{padding-inline:70px 25px}.app-preview-phone{width:285px}.preview-peek{width:215px;inset-inline-end:0}.app-preview-stage .final-hello{inset-inline-start:-15px;bottom:50px}.app-preview-stage .final-hello>img{width:175px;height:175px}.preview-footer{flex-direction:column;align-items:start;gap:18px}.preview-caption{max-width:none}.final-copy h2{font-size:46px}}
@media(max-width:820px){.final-shell{grid-template-columns:minmax(0,1fr);gap:48px}.final-copy{max-width:620px}.final-copy h2{font-size:56px}.app-preview{max-width:540px}.app-preview-stage{padding-inline:95px 40px}.app-preview-phone{width:310px}.preview-peek{width:245px}.app-preview-stage .final-hello>img{width:215px;height:215px}.preview-footer{flex-direction:row;align-items:center}.preview-caption{max-width:330px}}
@media(max-width:600px){.final-cta{padding:56px 0}.final-copy h2{font-size:42px}.app-preview-tabs{gap:5px;margin-bottom:22px}.app-preview-tabs button{padding:9px 12px;font-size:11px}.app-preview-stage{padding-block:10px 150px;padding-inline:36px 12px}.app-preview-phone{width:290px;transform:rotate(-2deg);border-width:7px;border-radius:30px}.preview-peek{width:210px;top:42px;inset-inline-end:0;transform:rotate(6deg)}.app-preview-stage .final-hello{inset-inline-start:-8px;bottom:12px;align-items:start}.app-preview-stage .final-hello>img{width:155px;height:155px}.app-preview-stage .final-hello button{padding:8px 10px}.app-preview-stage .final-hello button small{display:none}.preview-footer{flex-direction:column;align-items:start;gap:20px}.preview-caption{max-width:none}.preview-caption h3{font-size:22px}.preview-caption p{font-size:14px}.app-preview-controls{align-self:end}}

/* Reserve every turn and overlap the controls/report so autoplay never shifts the page. */
.call-demo-footer{display:grid;margin-top:auto;padding-top:24px}
.call-demo-footer>.call-demo-controls,.call-demo-footer>.call-demo-ended{grid-area:1/1;align-self:center}
.call-demo-footer>.call-demo-ended[hidden]{display:flex!important}
.call-studio.is-measuring .call-turn{animation:none;min-height:0!important}
.call-studio.is-measuring [data-call-status]{min-height:0!important}
.call-presence [data-call-status]{box-sizing:border-box}

/* Keep download links inside the shell even on 320px screens. */
@media(max-width:600px){.download-actions{width:min(100%,324px);grid-template-columns:repeat(2,minmax(0,1fr))}.download-actions .store-badge,.download-actions .web-badge{width:100%;min-width:0}}
@media(max-width:600px){.trace-step b{max-width:100%;overflow-wrap:anywhere}}
/* The rounded trace frame clips outer outlines; keep keyboard focus inside each tab. */
.trace-step:focus-visible{outline-offset:-4px}
/* Pause automatic demonstrations without disabling visitor-controlled interactions. */
.motion-toggle{grid-column:1/-1;justify-self:center;display:flex;align-items:center;gap:7px;min-height:32px;margin-top:8px;padding:5px 10px;border:1px solid #555364;border-radius:8px;background:transparent;color:#c6c3d5;font-size:11px;line-height:1.4}
.motion-toggle [data-motion-icon]{font-size:10px}
html[data-theme=light] .motion-toggle{color:var(--muted);border-color:var(--line)}
html[data-motion-paused=true] .hero-orbit-ring,html[data-motion-paused=true] .call-studio .voice-wave i,html[data-motion-paused=true] .call-studio .call-demo-mic,html[data-motion-paused=true] .call-studio [data-call-status]:before{animation-play-state:paused}