/* Public landing and sign-in: header with one language switch, hero, demo, FAQ, footer. */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[hidden]{display:none!important}

/* Brand and EN · UK share one row at every width. */
.site-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.lang-switch{display:flex;align-items:center;gap:2px;font-size:14px;font-weight:700;color:var(--muted)}
.lang-switch a{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:0 6px;border-radius:10px;color:var(--muted);text-decoration:none;letter-spacing:.06em}
.lang-switch a:hover{color:var(--ink)}
.lang-switch a[aria-current]{color:var(--accent)}
.lang-switch a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.language-suggestion{margin-top:24px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--card);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px}
.language-suggestion div{display:flex;gap:8px;flex-wrap:wrap}
.language-suggestion button{width:auto;margin:0;padding:8px 12px;font-size:13px;min-height:44px}
.language-suggestion .keep-language{background:transparent;color:var(--muted)}

.hero>*{min-width:0}
.hero h1{text-wrap:balance;max-width:20ch}
.hero p,.points li,.signin-panel{overflow-wrap:anywhere}
.early-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;margin:0 0 24px;padding:12px 20px;background:var(--accent);color:var(--paper);border-radius:12px;text-decoration:none;font-weight:700}
.early-cta:focus-visible{outline:3px solid var(--accent);outline-offset:4px}

.signin-panel h2{font-size:26px;line-height:1.2;letter-spacing:-.02em;margin-bottom:18px}
.signin-panel:focus{outline:none}
.signin-perks{list-style:none;padding:0;margin:20px 0 24px;display:grid;gap:10px;color:var(--muted);font-size:15px}
.signin-perks li{display:flex;align-items:flex-start;gap:10px}.signin-perks span{color:#487752}
.signin-note{font-size:13px;color:var(--muted);line-height:1.55;margin:14px 0 0}
.signin-error{padding:12px 14px;background:#fff0e8;color:#863820;border-radius:10px;font-size:14px;margin:12px 0}
input[type=email]{font-size:16px}
#signin-sent{outline:none}#signin-sent h3{font-size:22px;margin:14px 0 10px}#signin-sent p{color:var(--muted)}#sent-email{color:var(--ink);overflow-wrap:anywhere}
.sent-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:#e7eee2;color:#487752;font-size:24px;margin-top:22px}
.sent-actions{display:grid;gap:6px;margin-top:22px}.signin-change{background:transparent;color:var(--muted);font-size:14px;margin-top:0}
.google-signin{display:flex;align-items:center;justify-content:center;gap:12px;min-height:44px;padding:12px;border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none;font-weight:600;background:#fff}
.google-signin:hover{border-color:var(--muted)}.google-signin:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.google-mark{font:bold 20px Arial;color:#4285f4}.signin-divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin:18px 0}.signin-divider:before,.signin-divider:after{content:"";flex:1;height:1px;background:var(--line)}

/* Secondary link under the sign-in panel: brand colour, not the browser default blue. */
.app-entry{margin:14px 4px 0;font-size:15px}
.app-entry a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);font-weight:600;text-decoration:none}
.app-entry a:hover{text-decoration:underline;text-underline-offset:3px}
.app-entry a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* Public walkthrough: no autoplay, no video download until Play. */
.lesson-demo,.how-it-works,.faq{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.lesson-demo-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px}
.lesson-demo h2,.how-it-works h2,.faq h2{margin:0;font-size:24px;line-height:1.25;letter-spacing:-.02em}
.lesson-demo-heading span{color:var(--muted);font-size:13px;white-space:nowrap}
.lesson-demo p{margin:10px 0 18px}
.lesson-demo video{display:block;width:100%;height:auto;aspect-ratio:25/16;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.lesson-demo video:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

.how-it-works ol{list-style:none;counter-reset:step;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.how-it-works li{counter-increment:step;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;color:var(--muted)}
.how-it-works li::before{content:counter(step,decimal-leading-zero);display:block;margin-bottom:8px;color:var(--accent);font-weight:700}

.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 0;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;color:var(--accent);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.faq h3{margin:0;font-size:17px;line-height:1.4}
.faq details p{margin:0 0 18px;color:var(--muted);max-width:68ch}

.site-foot{max-width:960px;margin:0 auto;padding:20px 16px 40px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:4px 20px;font-size:14px}
.site-foot a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);text-decoration:none}
.site-foot a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}

@media(max-width:760px){.how-it-works ol{grid-template-columns:1fr}}
@media(max-width:600px){
 .hero{margin-top:20px}.hero h1{font-size:34px}.early-cta{width:100%}.panel{padding:22px}
 .language-suggestion{flex-direction:column;align-items:flex-start}
 .lesson-demo,.how-it-works,.faq{margin-top:32px;padding-top:24px}
 .lesson-demo h2,.how-it-works h2,.faq h2{font-size:21px}.lesson-demo-heading{flex-wrap:wrap}
 .brand small{letter-spacing:.08em}
}

/* H1: ≤ 3 рядки на 1280 в обох мовах, ≤ 4 на 375. */
.hero h1{max-width:none;font-size:clamp(34px,4.2vw,42px);line-height:1.08}
/* Literata ширша за Fraunces: та сама кількість рядків вимагає меншого кегля. */
html[lang=uk] .hero h1{font-size:clamp(32px,3.7vw,38px)}
@media(max-width:600px){.hero h1,html[lang=uk] .hero h1{font-size:34px}}
.brand{min-height:44px}
.site-foot a{min-width:44px;justify-content:center}
@media(max-width:350px){.hero h1,html[lang=uk] .hero h1{font-size:30px}}