@font-face{font-family:Marck Script;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/marck-script-latin-400-normal-hvIDGCO4.woff2)format("woff2"),url(/assets/marck-script-latin-400-normal-DonRfbfk.woff)format("woff")}@font-face{font-family:Neucha;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/neucha-cyrillic-400-normal-Ct5TrQut.woff2)format("woff2"),url(/assets/neucha-cyrillic-400-normal-CYVGZO1N.woff)format("woff")}@font-face{font-family:Neucha;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/neucha-latin-400-normal-ClN4lHCh.woff2)format("woff2"),url(/assets/neucha-latin-400-normal-BKqh4hRb.woff)format("woff")}:root{--sky:#61b9ea;--sky-tint:#eaf6fd;--navy:#0b4a8f;--ink:#0d2b4a;--muted:#4d6a88;--paper:#fff;--page:#f6fbfe;--ok:#1d7a46;--ok-tint:#e6f5ec;--bad:#b3261e;--bad-tint:#fdeceb;--font-display:"Neucha", "Comic Sans MS", "Chalkboard SE", cursive;--font-logo:"Marck Script", "Segoe Script", "Bradley Hand", cursive;--font-body:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-serif:Georgia, "Times New Roman", serif;--border:4px solid var(--navy);--radius:6px;--gutter:16px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--page);color:var(--ink);font-family:var(--font-body);margin:0;font-size:1.0625rem;line-height:1.55}a{color:inherit}:focus-visible{outline:3px solid var(--sky);outline-offset:3px}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}ul,ol{margin:0;padding:0;list-style:none}.site-header{padding:14px var(--gutter);border-bottom:6px solid var(--sky);background:var(--paper)}.site-header__logo{max-width:960px;color:var(--navy);font-family:var(--font-logo);margin:0 auto;font-size:1.9rem;line-height:1.2;text-decoration:none;display:block}.page{max-width:960px;padding:28px var(--gutter) 64px;margin:0 auto}.back{color:var(--navy);margin-bottom:18px;font-weight:600;text-decoration:none;display:inline-block}.back:hover{text-decoration:underline;-webkit-text-decoration-color:var(--sky);text-decoration-color:var(--sky);text-underline-offset:4px;text-decoration-thickness:3px}.note{color:var(--muted);margin:0 0 16px}.tiles{grid-template-columns:repeat(auto-fill,minmax(min(100%,190px),1fr));gap:28px;display:grid}.tile{aspect-ratio:1;border:var(--border);background:var(--paper);color:var(--navy);flex-direction:column;align-items:center;padding:12px 14px 14px;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex;position:relative}.tile:hover,.tile:focus-visible{box-shadow:6px 6px 0 var(--sky);transform:translate(-3px,-3px)}.tile__num{font-family:var(--font-serif);font-size:1.1rem;line-height:1}.tile__title{font-family:var(--font-display);text-align:center;text-wrap:balance;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;flex:1;justify-content:center;align-items:center;font-size:clamp(1.2rem,1rem + .7vw,1.5rem);line-height:1.15;display:flex}@media (width<=560px){.tiles{grid-template-columns:repeat(2,1fr);gap:16px}.tile{aspect-ratio:3/2;border-width:3px;padding:8px 10px 10px}.tile__title{font-size:1.2rem}}.page-title{color:var(--navy);align-items:baseline;gap:14px;margin:0 0 28px;display:flex}.page-title__num{font-family:var(--font-serif);font-size:1.25rem}.page-title__text{font-family:var(--font-display);font-size:clamp(2rem,1.4rem + 3vw,3rem);font-weight:400;line-height:1.1}.lesson-links{gap:24px;display:grid}.lesson-link{border:var(--border);background:var(--paper);min-height:110px;color:var(--navy);align-items:center;gap:18px;padding:16px 20px 16px 72px;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex;position:relative}.lesson-link:hover,.lesson-link:focus-visible{box-shadow:6px 6px 0 var(--sky);transform:translate(-3px,-3px)}.lesson-link__num{font-family:var(--font-serif);font-size:1.1rem;line-height:1;position:absolute;top:10px;left:14px}.lesson-link__title{font-family:var(--font-display);flex:1;font-size:clamp(1.5rem,1.2rem + 1.5vw,2.1rem);line-height:1.15}.lesson-link__title--soon{color:var(--muted)}.lesson-link__arrow{font-size:1.6rem}.lesson-card{border:var(--border);background:var(--paper)}.lesson-card__head{padding:18px 20px 24px 72px;position:relative}.lesson-card__num{color:var(--navy);font-family:var(--font-serif);font-size:1.1rem;line-height:1;position:absolute;top:12px;left:14px}.lesson-card__title{color:var(--navy);font-family:var(--font-display);margin:0 0 16px;font-size:clamp(1.8rem,1.3rem + 2.5vw,2.6rem);font-weight:400;line-height:1.15}.player{width:100%;display:block}.tabs{border-top:var(--border);grid-template-columns:repeat(4,1fr);display:grid}.tab{border-left:3px solid var(--navy);color:var(--navy);font-family:var(--font-display);text-align:center;padding:12px 8px;font-size:1.35rem;line-height:1.2;text-decoration:none}.tab:first-child{border-left:0}.tab:hover{background:var(--sky-tint)}.tab[aria-current=page]{background:var(--sky);color:var(--ink)}.tab:focus-visible{outline-offset:-6px}@media (width<=560px){.tabs{grid-template-columns:repeat(2,1fr)}.tab:nth-child(3){border-left:0}.tab:nth-child(n+3){border-top:3px solid var(--navy)}.lesson-card__head,.lesson-link{padding-left:60px}}.section{margin-top:28px}.section__title{color:var(--navy);font-family:var(--font-display);margin:0 0 16px;font-size:2rem;font-weight:400;line-height:1.2}.section-body{border:3px solid var(--sky);border-radius:var(--radius);background:var(--paper);padding:20px}.dialogue{gap:10px;max-width:62ch;display:grid}.dialogue__line{margin:0}.dialogue__speaker{color:var(--navy);font-weight:700}.words{gap:18px;margin:0;display:grid}.word{border-left:4px solid var(--sky);padding-left:14px}.word dd{margin:0}.word__term{color:var(--navy);font-size:1.2rem;font-weight:700}.stress{position:relative}.stress:after{content:"´";font-family:var(--font-body);font-weight:700;line-height:1;position:absolute;top:-.1em;left:50%;transform:translate(-50%)}.lesson-card__title .stress:after,.lesson-link__title .stress:after{font-size:.85em;font-weight:400;top:-.22em}.word__example{color:var(--muted);font-style:italic}.question{border:0;border-bottom:1px solid var(--sky-tint);min-width:0;margin:0 0 20px;padding:0 0 18px}.question__text{margin-bottom:8px;padding:0;font-weight:700}.option{border-radius:var(--radius);cursor:pointer;border:2px solid #0000;align-items:baseline;gap:10px;padding:8px 10px;display:flex}.option:hover{background:var(--sky-tint)}.option input{width:1.1em;height:1.1em;accent-color:var(--navy);flex:none}.option__letter{color:var(--navy);flex:none;font-weight:700}.option__text{flex:1}.option__mark{text-align:center;flex:none;min-width:1.2em;font-weight:700}.option--correct{border-color:var(--ok);background:var(--ok-tint)}.option--correct .option__mark{color:var(--ok)}.option--wrong{border-color:var(--bad);background:var(--bad-tint)}.option--wrong .option__mark{color:var(--bad)}.feedback{font-weight:600}.question .feedback{margin:8px 10px 0;display:block}.question--ok .feedback,.exercise--ok .feedback{color:var(--ok)}.question--bad .feedback,.exercise--bad .feedback{color:var(--bad)}.exercise-list{gap:14px;padding-left:1.6em;list-style:decimal;display:grid}.exercise::marker{color:var(--navy);font-weight:700}.exercise__sentence{overflow-wrap:anywhere}.exercise .feedback{margin-left:10px}.blank{border:0;border-bottom:3px solid var(--navy);background:var(--sky-tint);max-width:100%;color:var(--ink);font:inherit;border-radius:0;margin:0 4px;padding:2px 6px}.blank[aria-invalid=true]{border-bottom-color:var(--bad);background:var(--bad-tint)}.exercise--ok .blank{border-bottom-color:var(--ok);background:var(--ok-tint)}.actions{flex-wrap:wrap;gap:12px;margin-top:8px;display:flex}.button{border:3px solid var(--navy);border-radius:var(--radius);background:var(--sky);color:var(--ink);font:inherit;cursor:pointer;padding:10px 22px;font-weight:700}.button:hover{background:var(--navy);color:var(--paper)}.button--ghost{background:var(--paper)}.result{color:var(--navy);margin:16px 0 0;font-size:1.2rem;font-weight:700}.result:empty{display:none}@media (prefers-reduced-motion:reduce){.tile,.lesson-link{transition:none}.tile:hover,.tile:focus-visible,.lesson-link:hover,.lesson-link:focus-visible{transform:none}}