@font-face{font-family:Atkinson Hyperlegible Next Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/build/assets/atkinson-hyperlegible-next-latin-ext-wght-normal-C6vrW8VD.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Atkinson Hyperlegible Next Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/build/assets/atkinson-hyperlegible-next-latin-wght-normal-BcXVPD7q.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--color-ground:#f7f3ec;--color-surface:#fff;--color-surface-muted:#f3efe7;--color-surface-soft:#f7f4ee;--color-text:#24292b;--color-text-soft:#3a3f41;--color-text-muted:#5d5a54;--color-primary:#1b5960;--color-primary-hover:#134449;--color-on-primary:#fff;--color-sage:#e4ece6;--color-sage-strong:#2f5c45;--color-blue:#43678a;--color-blue-soft:#a9b8c8;--color-border:#e2ddd3;--color-border-strong:#c9c0b2;--color-almost-bg:#fbf1e3;--color-almost-text:#6e4312;--color-almost-border:#b8742a;--color-correct-bg:#e4ece6;--color-correct-text:#2f5c45;--color-correct-border:#2f5c45;--color-info-bg:#e7eef4;--color-info-text:#2e4a6b;--color-accent:#f4a261;--color-accent-soft:#fbe3d0;--color-accent-strong:#a3501a;--color-accent-on-dark:#ffd9bd;--color-accent-label:#7a3a10;--color-band:#1b5960;--color-band-text:#fff;--color-band-text-soft:#e6f0ee;--color-band-shape:#22686f;--subject-mathe-bg:#e3ebf3;--subject-mathe-fg:#43678a;--subject-deutsch-bg:#e4ece6;--subject-deutsch-fg:#2f5c45;--subject-englisch-bg:#fbe3d0;--subject-englisch-fg:#a3501a;--subject-sachunterricht-bg:#efe6d6;--subject-sachunterricht-fg:#6b5532;--color-focus:#1b5960;--font-sans:"Atkinson Hyperlegible Next Variable", "Atkinson Hyperlegible Next", system-ui, -apple-system, "Segoe UI", sans-serif;--text-base:1.125rem;--text-sm:.9375rem;--text-lg:1.3125rem;--text-xl:1.5rem;--text-2xl:1.875rem;--text-3xl:clamp(2rem, 1.5rem + 2vw, 2.75rem);--leading-body:1.6;--leading-tight:1.1;--tracking-heading:-.025em;--weight-regular:400;--weight-medium:500;--weight-bold:700;--weight-heavy:800;--measure:38rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--page-gutter:var(--space-4);--container:76rem;--radius-sm:.625rem;--radius-md:1rem;--radius-lg:1.375rem;--radius-xl:1.75rem;--radius-pill:999px;--shadow-card:0 1px 2px #24292b0d, 0 12px 32px -12px #24292b1a;--shadow-raised:0 1px 2px #24292b0f, 0 0 0 1px #24292b0f;--shadow-primary:0 6px 16px -8px #1b596099;--control-height:3.25rem;--control-height-sm:2.75rem;--focus-ring:3px solid var(--color-focus);--focus-offset:3px;--duration-fast:.12s;--easing:cubic-bezier(.2, 0, 0, 1)}@media (width>=48rem){:root{--page-gutter:var(--space-8)}}@media (width>=72rem){:root{--page-gutter:var(--space-12)}}[data-stufe="1-4"]{--text-base:1.25rem;--text-lg:1.4375rem;--text-xl:1.625rem;--text-2xl:2.125rem;--text-3xl:clamp(2.125rem, 1.6rem + 2vw, 3rem);--leading-body:1.7;--radius-md:1.25rem;--radius-lg:1.625rem;--radius-xl:2rem;--control-height:3.5rem;--measure:32rem}[data-stufe="8-10"]{--radius-md:.875rem;--radius-lg:1.125rem;--radius-xl:1.375rem;--tracking-heading:-.02em}[data-stufe=oberstufe]{--text-base:1.0625rem;--text-3xl:clamp(1.875rem, 1.4rem + 1.6vw, 2.5rem);--radius-md:.625rem;--radius-lg:.875rem;--radius-xl:1.125rem;--tracking-heading:-.015em;--weight-heavy:700;--measure:42rem}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--color-ground);min-height:100vh;color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-body);text-align:left;font-kerning:normal;flex-direction:column;margin:0;display:flex}img,svg{max-width:100%}h1,h2,h3{line-height:var(--leading-tight);letter-spacing:var(--tracking-heading);text-wrap:balance;margin:0}h1{font-size:var(--text-3xl);font-weight:var(--weight-heavy)}h2{font-size:var(--text-xl);font-weight:var(--weight-bold);line-height:1.25}h3{font-size:var(--text-lg);font-weight:var(--weight-bold);line-height:1.3}p{max-width:var(--measure);margin:0}strong{font-weight:var(--weight-bold)}a{color:var(--color-primary);text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{color:var(--color-primary-hover);text-decoration-thickness:2px}:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset);border-radius:4px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.container{width:100%;max-width:var(--container);padding-inline:var(--page-gutter);margin-inline:auto}.skip-link{left:var(--space-4);z-index:100;padding:var(--space-2) var(--space-4);background:var(--color-surface);color:var(--color-primary);border:2px solid var(--color-primary);border-radius:var(--radius-sm);font-weight:var(--weight-bold);position:absolute;top:-100px}.skip-link:focus{top:var(--space-4)}.site-header{padding-block:var(--space-5)}.site-header__inner{gap:var(--space-4);flex-wrap:wrap;justify-content:space-between;align-items:center;display:flex}.brand{align-items:center;gap:var(--space-3);min-height:var(--control-height-sm);color:var(--color-text);text-decoration:none;display:inline-flex}.brand:hover{color:var(--color-text)}.brand__tile{background:var(--color-primary);width:2.75rem;height:2.75rem;color:var(--color-accent);border-radius:.875rem;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.brand__text{flex-direction:column;display:flex}.brand__name{font-size:1.625rem;font-weight:var(--weight-heavy);letter-spacing:-.02em;color:var(--color-primary);line-height:1.1}.brand__plus{color:var(--color-accent-strong);margin-left:.03em}.brand__word{color:var(--color-text)}.brand__claim{font-size:var(--text-sm);color:var(--color-text-muted);letter-spacing:.01em}.brand--dark,.brand--dark:hover,.brand--dark .brand__name,.brand--dark .brand__word{color:var(--color-band-text)}.brand--dark .brand__plus{color:var(--color-accent)}.brand--dark .brand__claim{color:var(--color-band-text-soft)}.site-main{padding-block:var(--space-4) var(--space-12);flex-grow:1}.site-main:focus{outline:none}.site-footer{padding-block:var(--space-6);font-size:var(--text-sm);color:var(--color-text-muted)}.site-footer__links{gap:var(--space-2) var(--space-6);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.site-footer__links a{min-height:var(--control-height-sm);align-items:center;display:inline-flex}.stack{gap:var(--stack-gap,var(--space-5));flex-direction:column;display:flex}.lead{font-size:var(--text-lg);color:var(--color-text-soft);line-height:1.5}.meta{font-size:var(--text-sm);color:var(--color-text-muted)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.support-bar{background:var(--color-surface-muted,#efe8dc);border-bottom:1px solid var(--color-border,#e2d9c9);font-size:.9rem}.support-bar__inner{margin:0 auto;padding-block:.45rem}.support-bar a{margin-left:.25em;font-weight:700}html[data-focus-mode] .support-bar{display:none}@media print{.support-bar{display:none}}.support-note{color:var(--color-text-soft);font-size:.95rem}.legal h2{margin-top:1.5rem;font-size:1.15rem}.legal__date{color:var(--color-text-soft)}.operator{font-style:normal;line-height:1.6}.btn{justify-content:center;align-items:center;gap:var(--space-2);min-height:var(--control-height);padding:var(--space-3) var(--space-6);border-radius:var(--radius-pill);font:inherit;font-weight:var(--weight-bold);text-align:center;cursor:pointer;transition:background-color var(--duration-fast) var(--easing), box-shadow var(--duration-fast) var(--easing);border:none;line-height:1.2;text-decoration:none;display:inline-flex}.btn svg{flex-shrink:0}.btn--primary{background:var(--color-primary);color:var(--color-on-primary);box-shadow:var(--shadow-primary)}.btn--primary:hover{background:var(--color-primary-hover);color:var(--color-on-primary)}.btn--secondary{background:var(--color-sage);color:var(--color-text)}.btn--secondary:hover{color:var(--color-text);background:#d6e2da}.btn--outline{color:var(--color-primary);box-shadow:inset 0 0 0 1.5px var(--color-primary);background:0 0}.btn--outline:hover{background:var(--color-sage);color:var(--color-primary-hover)}.btn--quiet{color:var(--color-text);padding-inline:var(--space-4);background:0 0}.btn--quiet:hover{background:var(--color-surface)}.btn--sm{min-height:var(--control-height-sm);padding:var(--space-2) var(--space-5);font-size:var(--text-sm)}.btn[disabled],.btn[aria-disabled=true]{opacity:.55;cursor:not-allowed;box-shadow:none}.btn-row{gap:var(--space-3);flex-wrap:wrap;align-items:center;display:flex}.card{background:var(--color-surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:var(--space-6)}@media (width>=48rem){.card{padding:var(--space-8) var(--space-10)}}.card--muted{background:var(--color-surface-muted);box-shadow:none;border-radius:var(--radius-lg)}.breadcrumb ol{gap:var(--space-1) var(--space-2);font-size:var(--text-sm);color:var(--color-text-muted);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.breadcrumb li{align-items:center;gap:var(--space-2);display:inline-flex}.breadcrumb li+li:before{content:"›";color:var(--color-text-muted)}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.callout{gap:var(--space-3);padding:var(--space-4) var(--space-5);border-radius:var(--radius-md);max-width:calc(var(--measure) + 4rem);align-items:flex-start;display:flex}.callout__icon{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:2.25rem;height:2.25rem;display:inline-flex}.callout__body>*+*{margin-top:var(--space-1)}.callout__title{font-weight:var(--weight-bold)}.callout--merksatz,.callout--tipp{color:var(--color-text-soft);padding-inline:0}.callout--merksatz .callout__icon,.callout--tipp .callout__icon{background:var(--color-sage);color:var(--color-sage-strong)}.callout--merksatz .callout__title,.callout--tipp .callout__title{color:var(--color-text)}.callout--info{background:var(--color-info-bg);color:var(--color-info-text)}.callout--fast{background:var(--color-almost-bg);color:var(--color-almost-text)}.callout--richtig{background:var(--color-correct-bg);color:var(--color-correct-text)}.callout--info .callout__icon,.callout--fast .callout__icon,.callout--richtig .callout__icon{width:1.5rem;height:1.5rem;margin-top:.1rem}.stepper ol{gap:var(--space-1);padding:var(--space-1);background:var(--color-surface);border-radius:var(--radius-pill);box-shadow:var(--shadow-raised);flex-wrap:wrap;width:fit-content;max-width:100%;margin:0;list-style:none;display:flex}.stepper li{align-items:center;gap:var(--space-2);min-height:2.5rem;padding:var(--space-1) var(--space-4);border-radius:var(--radius-pill);font-size:var(--text-sm);color:var(--color-text-muted);display:inline-flex}.stepper li[aria-current=step]{background:var(--color-primary);color:var(--color-on-primary);font-weight:var(--weight-bold)}.stepper__done{color:var(--color-sage-strong)}.progress-dots{gap:.3rem;display:inline-flex}.progress-dots span{background:var(--color-border);border-radius:3px;width:1.375rem;height:.375rem}.progress-dots span[data-active]{background:var(--color-primary)}.fraction{vertical-align:middle;font-size:var(--text-2xl);font-weight:var(--weight-bold);color:var(--color-primary);flex-direction:column;align-items:center;line-height:1.05;display:inline-flex}.fraction__bar{background:currentColor;border-radius:2px;align-self:stretch;min-width:1em;height:3px;margin:3px 0}.fraction--inline{font-size:1em}.fraction--inline .fraction__bar{height:2px;margin:1px 0}.parts{grid-template-columns:repeat(var(--parts-cols,2), minmax(0, 1fr));gap:var(--space-2);padding:var(--space-2);background:var(--color-surface);border-radius:var(--radius-md);width:100%;max-width:11rem;display:grid}.parts__part{aspect-ratio:1.6;border-radius:var(--radius-sm);background:#e9ede9}.parts__part[data-filled]{background:var(--color-primary)}.parts--blue .parts__part[data-filled]{background:var(--color-blue)}.choices{gap:var(--space-2);border:0;flex-direction:column;margin:0;padding:0;display:flex}.choices legend{margin-bottom:var(--space-3);font-size:var(--text-xl);font-weight:var(--weight-bold);letter-spacing:-.01em;padding:0;line-height:1.25}.choice{gap:var(--space-4);min-height:3.375rem;padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);background:var(--color-surface-soft);cursor:pointer;align-items:center;display:flex}.choice input{width:1.25rem;height:1.25rem;accent-color:var(--color-primary);flex-shrink:0;margin:0}.choice:hover{box-shadow:inset 0 0 0 1.5px var(--color-border-strong)}.choice:has(input:checked){box-shadow:inset 0 0 0 2px var(--color-primary)}.choice:has(input:focus-visible){outline:var(--focus-ring);outline-offset:var(--focus-offset)}:is(.choice--fast,.choice--fast:has(input:checked)){background:var(--color-almost-bg);box-shadow:inset 0 0 0 2px var(--color-almost-border)}.choice--fast input{accent-color:var(--color-almost-border)}:is(.choice--richtig,.choice--richtig:has(input:checked)){background:var(--color-correct-bg);box-shadow:inset 0 0 0 2px var(--color-correct-border)}.choice__label{font-weight:var(--weight-bold);font-size:var(--text-lg)}.field{gap:var(--space-2);flex-direction:column;max-width:28rem;display:flex}.field__label{font-weight:var(--weight-bold)}.field__hint{font-size:var(--text-sm);color:var(--color-text-muted)}.field__input{min-height:var(--control-height);padding:var(--space-3) var(--space-4);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);font:inherit}.field__input:focus-visible{border-color:var(--color-primary)}.field__input[aria-invalid=true]{border-color:var(--color-almost-border)}.field__error{gap:var(--space-2);font-size:var(--text-sm);color:var(--color-almost-text);align-items:flex-start;display:flex}.chips{gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.chip{padding:var(--space-1) var(--space-3);border-radius:var(--radius-pill);background:var(--color-surface-muted);font-size:var(--text-sm);color:var(--color-text-soft)}.lesson-grid{gap:var(--space-6);grid-template-columns:minmax(0,1fr);align-items:start;display:grid}@media (width>=64rem){.lesson-grid{gap:var(--space-8);grid-template-columns:minmax(0,1fr) 24.5rem}}.lesson-head{gap:var(--space-2) var(--space-6);flex-wrap:wrap;justify-content:space-between;align-items:flex-end;display:flex}.lesson-step{gap:var(--space-5);padding:var(--space-6);border-radius:var(--radius-lg);background:var(--color-surface-muted);grid-template-columns:minmax(0,1fr);align-items:center;display:grid}@media (width>=40rem){.lesson-step{gap:var(--space-8);grid-template-columns:11rem minmax(0,1fr)}}.lesson-step__label{font-size:var(--text-sm);font-weight:var(--weight-bold);color:var(--color-primary)}.quiz-head{justify-content:space-between;align-items:center;gap:var(--space-4);display:flex}.sg-section{gap:var(--space-5);padding-block:var(--space-8);border-top:1px solid var(--color-border);flex-direction:column;display:flex}.sg-swatches{gap:var(--space-4);grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));margin:0;padding:0;list-style:none;display:grid}.sg-swatch{gap:var(--space-3);font-size:var(--text-sm);align-items:center;display:flex}.sg-swatch__chip{border-radius:var(--radius-sm);flex-shrink:0;width:2.75rem;height:2.75rem;box-shadow:inset 0 0 0 1px #24292b1f}.sg-type>*+*{margin-top:var(--space-4)}.sg-switch{gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.sg-switch a{min-height:var(--control-height-sm);padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);background:var(--color-surface);box-shadow:var(--shadow-raised);color:var(--color-text);align-items:center;text-decoration:none;display:inline-flex}.sg-switch a[aria-current=true]{background:var(--color-primary);color:var(--color-on-primary);font-weight:var(--weight-bold)}.marker{background-image:linear-gradient(transparent 62%, var(--color-accent) 62%, var(--color-accent) 88%, transparent 88%);-webkit-box-decoration-break:clone;box-decoration-break:clone;background-repeat:no-repeat;padding-inline:.06em}.label-pill{padding:var(--space-1) var(--space-3);border-radius:var(--radius-pill);background:var(--color-accent-soft);color:var(--color-accent-label);font-size:var(--text-sm);font-weight:var(--weight-bold);align-self:flex-start;display:inline-flex}.btn--accent{background:var(--color-accent);color:var(--color-text);font-weight:var(--weight-heavy)}.btn--accent:hover{color:var(--color-text);background:#f7b37d}.btn--light{background:var(--color-surface);color:var(--color-primary);font-weight:var(--weight-heavy)}.btn--light:hover{background:var(--color-sage);color:var(--color-primary-hover)}.btn--ghost-light{color:var(--color-band-text);background:0 0;box-shadow:inset 0 0 0 2px #ffffffa6}.btn--ghost-light:hover{color:var(--color-band-text);background:#ffffff14}.site-header--band{background:var(--color-band)}.band{margin-top:calc(-1 * var(--space-4));padding-block:var(--space-8) 9rem;background:var(--color-band);color:var(--color-band-text);position:relative;overflow:hidden}.band__plus{font-size:clamp(16rem,40vw,34rem);font-weight:var(--weight-heavy);color:var(--color-band-shape);pointer-events:none;-webkit-user-select:none;user-select:none;line-height:1;position:absolute;top:-.32em;right:-.08em}.band__content{position:relative}.hero{gap:var(--space-6);flex-direction:column;max-width:46rem;display:flex}.hero h1{letter-spacing:-.035em;font-size:clamp(2.75rem,1.6rem + 5vw,4.75rem);line-height:1}.hero__accent{color:var(--color-accent-on-dark)}.hero__lead{font-size:var(--text-lg);color:var(--color-band-text-soft);max-width:32em;line-height:1.5}.hero__slice{background:conic-gradient(var(--color-accent) 0 75%, transparent 75% 100%);border-radius:50%;width:5.5rem;height:5.5rem;position:absolute;top:6rem;right:30%}@media (width<=47.99rem){.hero__slice{display:none}}.overlap{margin-top:-7rem;position:relative}.subject-grid{gap:var(--space-5);grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}@media (width>=48rem){.subject-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.subject-card{justify-content:space-between;gap:var(--space-4);height:100%;padding:var(--space-6);border-radius:var(--radius-xl);background:var(--subject-bg,var(--color-surface));color:var(--color-text);flex-direction:column;text-decoration:none;display:flex;box-shadow:0 24px 48px -24px #24292b47}a.subject-card:hover{color:var(--color-text);box-shadow:0 24px 48px -20px #24292b61, inset 0 0 0 2px var(--subject-fg,var(--color-primary))}.subject-card__motif{font-size:2.75rem;font-weight:var(--weight-heavy);letter-spacing:-.02em;color:var(--subject-fg,var(--color-primary));line-height:1}.subject-card__title{font-size:var(--text-xl);font-weight:var(--weight-heavy);letter-spacing:-.02em;line-height:1.2;display:block}.subject-card__text{font-size:var(--text-sm);color:var(--color-text-soft);margin-top:var(--space-1);display:block}.subject-card__status{padding:var(--space-1) var(--space-3);border-radius:var(--radius-pill);font-size:var(--text-sm);font-weight:var(--weight-bold);color:var(--color-text-soft);background:#ffffffb3;align-self:flex-start}.subject--mathe{--subject-bg:var(--subject-mathe-bg);--subject-fg:var(--subject-mathe-fg)}.subject--deutsch{--subject-bg:var(--subject-deutsch-bg);--subject-fg:var(--subject-deutsch-fg)}.subject--englisch{--subject-bg:var(--subject-englisch-bg);--subject-fg:var(--subject-englisch-fg)}.subject--sachunterricht{--subject-bg:var(--subject-sachunterricht-bg);--subject-fg:var(--subject-sachunterricht-fg)}.subject-badge{align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-3) var(--space-1) var(--space-1);border-radius:var(--radius-pill);background:var(--subject-bg);font-size:var(--text-sm);font-weight:var(--weight-bold);color:var(--color-text);display:inline-flex}.subject-badge__dot{background:var(--subject-fg);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:1.75rem;height:1.75rem;display:inline-flex}.checklist{gap:var(--space-3) var(--space-8);color:var(--color-text-soft);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.checklist li{gap:var(--space-3);align-items:center;display:flex}.checklist__icon{background:var(--color-sage);width:1.875rem;height:1.875rem;color:var(--color-sage-strong);border-radius:.625rem;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.steps-grid{gap:var(--space-4);counter-reset:schritt;grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}@media (width>=40rem){.steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=64rem){.steps-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.steps-grid li{gap:var(--space-2);padding:var(--space-5);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-raised);flex-direction:column;display:flex}.steps-grid li:before{counter-increment:schritt;content:counter(schritt);background:var(--color-accent-soft);width:2.25rem;height:2.25rem;color:var(--color-accent-label);font-weight:var(--weight-heavy);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.parts--accent .parts__part[data-filled]{background:var(--color-accent)}.float-chip{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);background:var(--color-surface);font-size:var(--text-sm);display:inline-flex;box-shadow:0 16px 36px -14px #24292b47}.section-title{font-size:var(--text-2xl);font-weight:var(--weight-heavy);letter-spacing:-.025em}.subject-badge__dot{font-size:.75rem;font-weight:var(--weight-heavy)}.nav-inline{gap:var(--space-1);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.nav-inline a{min-height:var(--control-height-sm);padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);color:var(--color-text);font-weight:var(--weight-bold);align-items:center;text-decoration:none;display:inline-flex}.nav-inline a:hover{background:var(--color-surface)}.site-header--band .nav-inline a{color:var(--color-band-text)}.site-header--band .nav-inline a:hover{background:#ffffff1a}.site-header--band :focus-visible,.band :focus-visible{outline-color:var(--color-accent-on-dark)}[hidden]{display:none!important}.swoosh{color:var(--color-primary);-webkit-box-decoration-break:clone;box-decoration-break:clone;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 18' preserveAspectRatio='none'%3E%3Cpath d='M3 12 C 50 3, 120 3, 197 9' fill='none' stroke='%23f4a261' stroke-width='7' stroke-linecap='round'/%3E%3C/svg%3E");background-position:0 100%;background-repeat:no-repeat;background-size:100% .3em;padding-bottom:.14em}.learn-page{gap:var(--space-10);flex-direction:column;display:flex}.page-head{gap:var(--space-4);flex-direction:column;max-width:52rem;display:flex}.page-title,.lesson-title{font-size:clamp(2.25rem,1.4rem + 3.4vw,4rem);font-weight:var(--weight-heavy);letter-spacing:-.035em;text-wrap:balance;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;line-height:1.06}.pick-grid{gap:var(--space-5);grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}@media (width>=40rem){.pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pick-grid--small{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=64rem){.pick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.pick{gap:var(--space-4);height:100%;min-height:6.5rem;padding:var(--space-5) var(--space-5) var(--space-5) var(--space-6);border-radius:var(--radius-xl);background:var(--color-surface);color:var(--color-text);align-items:center;text-decoration:none;display:flex;box-shadow:0 24px 48px -28px #24292b52}.pick--tint{background:var(--subject-bg)}a.pick:hover{color:var(--color-text);box-shadow:0 24px 48px -24px #24292b66, inset 0 0 0 2px var(--subject-fg,var(--color-primary))}.pick--off{box-shadow:inset 0 0 0 1.5px var(--color-border-strong);color:var(--color-text-muted);background:0 0}.pick__main{gap:var(--space-3);flex-direction:column;flex:1;min-width:0;display:flex}.pick__body{gap:var(--space-1);flex-direction:column;display:flex}.pick__title{overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;font-size:var(--text-xl);font-weight:var(--weight-heavy);line-height:var(--leading-tight);letter-spacing:-.02em}.pick__text{color:var(--color-text-soft)}.pick-grid--small .pick__title{white-space:nowrap}.pick--off .pick__text,.pick--off .pick__meta{color:var(--color-text-muted)}.pick__foot{gap:var(--space-2) var(--space-3);flex-wrap:wrap;align-items:center;display:flex}.pick__meta{font-size:var(--text-sm);color:var(--color-text-soft)}.pick__number{background:var(--subject-fg,var(--color-blue));color:#fff;width:3.5rem;height:3.5rem;font-size:1.625rem;font-weight:var(--weight-heavy);border-radius:1.125rem;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex;rotate:-6deg}.pick--off .pick__number{background:var(--color-surface-muted);color:var(--color-text-muted);rotate:none}.pick__arrow{background:var(--subject-fg,var(--color-primary));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:2.75rem;height:2.75rem;display:inline-flex}.lesson-list{gap:var(--space-4);grid-template-columns:minmax(0,1fr);max-width:52rem;margin:0;padding:0;list-style:none;display:grid}.lesson{gap:var(--space-8);flex-direction:column;display:flex}.lesson-hero{gap:var(--space-8);grid-template-columns:minmax(0,1fr);align-items:center;display:grid}@media (width>=64rem){.lesson-hero{gap:var(--space-10);grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}}.lesson-hero__text{gap:var(--space-5);flex-direction:column;display:flex}.lesson-hero .lead{font-size:var(--text-lg);color:var(--color-text-soft);max-width:34rem}.meta-chips{gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.meta-chips li{gap:var(--space-2);min-height:2.5rem;padding:var(--space-1) var(--space-4);border-radius:var(--radius-pill);background:var(--color-surface);box-shadow:inset 0 0 0 1.5px var(--color-border);font-size:var(--text-sm);font-weight:var(--weight-bold);color:var(--color-text-soft);align-items:center;display:inline-flex}.lesson-art{height:22rem;display:none;position:relative}@media (width>=64rem){.lesson-art{display:block}}.lesson-art__pie{background:linear-gradient(#fff, #fff) 50% 0 / 4px 100% no-repeat, linear-gradient(#fff, #fff) 0 50% / 100% 4px no-repeat, conic-gradient(var(--color-accent) 0 25%, var(--subject-bg,#e9ede9) 25% 100%);border-radius:50%;width:17rem;height:17rem;position:absolute;top:.5rem;right:1rem;box-shadow:inset 0 0 0 10px #fff,0 20px 40px -20px #24292b40}.lesson-art__tile{background:var(--subject-fg,var(--color-blue));color:#fff;width:7rem;height:7rem;font-size:2.25rem;font-weight:var(--weight-heavy);border-radius:2rem;flex-direction:column;justify-content:center;align-items:center;line-height:1;display:flex;position:absolute;top:2rem;left:.5rem;rotate:-8deg}.lesson-art__bar{background:#fff;border-radius:2px;width:2.25rem;height:4px;margin:.35rem 0}.lesson-art__blob{background:#cfe3d6;border-radius:999px 999px 999px 1.5rem;width:10rem;height:5.5rem;position:absolute;bottom:1rem;left:2rem}.lesson-art__chip,.lesson-art__ok{gap:var(--space-2);border-radius:var(--radius-pill);font-size:var(--text-sm);font-weight:var(--weight-bold);white-space:nowrap;background:#fff;align-items:center;padding:.6rem 1rem;display:inline-flex;position:absolute;box-shadow:0 14px 30px -14px #24292b52}.lesson-art__chip{top:11.5rem;left:7rem;rotate:3deg}.lesson-art__ok{font-weight:var(--weight-regular);border-radius:1.125rem;bottom:2rem;right:0}.lesson-art__check{background:var(--color-correct-bg);width:2rem;height:2rem;color:var(--color-correct-text);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.lesson-map ol{gap:var(--space-1);width:fit-content;max-width:100%;padding:var(--space-1);border-radius:var(--radius-pill);background:var(--color-surface);box-shadow:var(--shadow-raised);flex-wrap:wrap;margin:0;list-style:none;display:flex}.lesson-map a{gap:var(--space-2);min-height:var(--control-height-sm);padding:var(--space-1) var(--space-4) var(--space-1) var(--space-2);border-radius:var(--radius-pill);color:var(--color-text);font-weight:var(--weight-bold);align-items:center;text-decoration:none;display:inline-flex}.lesson-map a:hover{background:var(--color-surface-muted)}.lesson-map a span{background:var(--color-accent-soft);width:1.75rem;height:1.75rem;color:var(--color-accent-label);font-size:var(--text-sm);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.lesson-body,.lesson-flow{gap:var(--space-8);flex-direction:column;max-width:50rem;display:flex}.lesson-flow>*,.selfcheck,.lesson-goals{scroll-margin-top:var(--space-6)}.eyebrow{border-radius:var(--radius-pill);background:var(--color-accent-soft);color:var(--color-accent-label);font-size:var(--text-sm);font-weight:var(--weight-bold);align-self:flex-start;padding:.2rem .75rem}.lesson-section-title{gap:var(--space-3);font-size:var(--text-2xl);font-weight:var(--weight-heavy);letter-spacing:-.025em;align-items:center;line-height:1.15;display:flex}.lesson-goals{gap:var(--space-5);padding:var(--space-6) var(--space-8);border-radius:var(--radius-xl);background:var(--color-accent-soft);align-items:flex-start;display:flex}.lesson-goals__icon{background:var(--color-accent-strong);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:3rem;height:3rem;display:inline-flex}.selfcheck{gap:var(--space-4);padding:var(--space-6) var(--space-8);border-radius:var(--radius-xl);background:var(--color-surface);box-shadow:var(--shadow-card);flex-direction:column;display:flex}.goal-list,.check-list{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.goal-list li{gap:var(--space-3);font-weight:var(--weight-medium);align-items:flex-start;display:flex}.goal-list li:before{content:"";background:var(--color-accent);border-radius:50%;flex-shrink:0;width:.75rem;height:.75rem;margin-top:.5em;box-shadow:0 0 0 3px #fff}.prose{gap:var(--space-4);max-width:var(--measure);flex-direction:column;display:flex}.prose p{margin:0}.prose--simple{font-size:var(--text-lg)}.example{gap:var(--space-3);padding:var(--space-5) var(--space-6);border-left:4px solid var(--color-blue);border-radius:var(--radius-md);background:var(--color-info-bg);flex-direction:column;display:flex}.example__label{font-size:var(--text-sm);font-weight:var(--weight-bold);color:var(--color-info-text)}.worked{gap:var(--space-4);flex-direction:column;display:flex}.worked__title{font-size:var(--text-lg)}.worked__steps{gap:var(--space-3);counter-reset:wschritt;margin:0;padding:0;list-style:none;display:grid}.worked__steps li{gap:var(--space-4);padding:var(--space-4) var(--space-5);border-radius:var(--radius-md);background:var(--color-surface);box-shadow:var(--shadow-raised);max-width:calc(var(--measure) + 4rem);align-items:flex-start;display:flex}.worked__steps li:before{counter-increment:wschritt;content:counter(wschritt);background:var(--color-accent-soft);width:2rem;height:2rem;color:var(--color-accent-label);font-weight:var(--weight-heavy);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.worked__more{align-self:flex-start}.figure{gap:var(--space-3);flex-direction:column;margin:0;display:flex}.figure img,.figure video{border-radius:var(--radius-md);max-width:100%;height:auto}.figure figcaption{color:var(--color-text-soft);max-width:var(--measure)}.figure--numberline svg{width:100%;max-width:40rem;height:auto}.nl__axis,.nl__tick{stroke:var(--color-text);stroke-width:2px}.nl__label{fill:var(--color-text);font:600 18px var(--font-sans)}.nl__mark{fill:var(--color-accent);stroke:var(--color-text);stroke-width:2px}.table-wrap{max-width:100%;overflow-x:auto}.table{border-collapse:collapse;background:var(--color-surface);border-radius:var(--radius-md);min-width:18rem}.table caption{text-align:left;padding-bottom:var(--space-2);font-weight:var(--weight-bold)}.table th,.table td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);text-align:left;vertical-align:top}.table th{background:var(--color-surface-muted)}.summary{gap:var(--space-3);padding:var(--space-6) var(--space-8);border-radius:var(--radius-xl);background:var(--color-correct-bg);flex-direction:column;display:flex}.summary__icon{background:var(--color-correct-text);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:3rem;height:3rem;display:inline-flex}.help{gap:var(--space-4);padding:var(--space-6) var(--space-8);border-radius:var(--radius-xl);background:var(--color-sage);flex-direction:column;display:flex;position:relative;overflow:hidden}.help:after{content:"";pointer-events:none;background:#cfe3d6;border-radius:50%;width:9rem;height:9rem;position:absolute;top:-2.5rem;right:-2.5rem}.help>*{z-index:1;position:relative}.help__title{gap:var(--space-3);font-size:var(--text-2xl);letter-spacing:-.025em;font-weight:var(--weight-heavy);align-items:center;display:flex}.help__icon{background:var(--color-surface);width:3rem;height:3rem;color:var(--color-sage-strong);font-weight:var(--weight-heavy);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.help__lead{margin:0}.help__options{gap:var(--space-2) var(--space-3);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.help__options:not(:has(button:not([hidden]))){display:none}.help .btn--secondary{background:var(--color-surface)}.help .btn--secondary[aria-expanded=true]{background:var(--color-primary);color:var(--color-on-primary)}.help__panel{--stack-gap:var(--space-4);padding:var(--space-5);border-radius:var(--radius-md);background:var(--color-surface)}.help__panel[hidden]{display:none}.help__panel-title{font-size:var(--text-lg)}.exercise{gap:var(--space-6);padding:var(--space-6);border-radius:var(--radius-xl);background:var(--subject-bg,var(--color-surface-muted));flex-direction:column;display:flex}@media (width>=48rem){.exercise{padding:var(--space-8)}}.exercise__head{gap:var(--space-4);justify-content:space-between;align-items:flex-start;display:flex}.exercise__intro{color:var(--color-text-soft);margin:0}.exercise__icon{background:var(--subject-fg,var(--color-primary));color:#fff;width:3rem;height:3rem;font-size:1.375rem;font-weight:var(--weight-heavy);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.exercise__body{gap:var(--space-5);flex-direction:column;display:flex}.exercise .question{padding:var(--space-5);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:0 16px 32px -24px #24292b59}.exercise .question+.question{border-top:0}.question{gap:var(--space-4);flex-direction:column;display:flex}.question+.question{padding-top:var(--space-5)}.question__prompt,.choices legend.question__prompt{font-size:var(--text-lg);font-weight:var(--weight-bold);margin:0;line-height:1.4}.question__number{margin-bottom:var(--space-1);font-size:var(--text-sm);font-weight:var(--weight-bold);color:var(--color-text-muted);display:block}.question__field{max-width:16rem}.question__help{gap:var(--space-2);flex-direction:column;display:flex}.disclosure{border-radius:var(--radius-md);background:var(--color-surface-muted)}.disclosure summary{min-height:var(--control-height-sm);padding:var(--space-2) var(--space-4);font-weight:var(--weight-bold);color:var(--color-primary);cursor:pointer;align-items:center;display:flex}.disclosure summary::marker{content:""}.disclosure summary:before{content:"+";width:1.25rem;font-weight:var(--weight-heavy);display:inline-block}.disclosure[open] summary:before{content:"–"}.disclosure>:not(summary){padding:0 var(--space-4) var(--space-4) calc(var(--space-4) + 1.25rem);margin:0}.cloze{margin:0;line-height:2.4}.cloze__gap{min-height:var(--control-height-sm);padding:0 var(--space-2);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-sm);font:inherit}.token-list{gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.token-list li{padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);background:var(--color-surface-soft);box-shadow:inset 0 0 0 1.5px var(--color-border)}.match-cols{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.match-cols .token-list{flex-direction:column;align-items:flex-start}.check{gap:var(--space-3);min-height:var(--control-height-sm);cursor:pointer;align-items:flex-start;display:flex}.check input{width:1.375rem;height:1.375rem;accent-color:var(--color-primary);flex-shrink:0;margin:.15em 0 0}.selfcheck p{color:var(--color-text-soft);margin:0}.lesson-next{padding-top:var(--space-2)}.nav-inline a[aria-current]{background:var(--color-surface);box-shadow:inset 0 0 0 1.5px var(--color-border)}.figure--diagram{gap:var(--space-5);padding:var(--space-6);border-radius:var(--radius-xl);background:var(--subject-bg,var(--color-surface-muted));grid-template-columns:minmax(0,1fr);align-items:center;display:grid}@media (width>=40rem){.figure--diagram:has(figcaption){grid-template-columns:12rem minmax(0,1fr)}.figure--diagram:has(.figure__big){grid-template-columns:auto minmax(12rem,1fr)}}.figure--diagram figcaption{font-size:var(--text-lg);color:var(--color-text)}.help__panel .figure--diagram{padding:var(--space-4)}@media (width<=39.99rem){.lesson-goals,.selfcheck,.help,.summary{padding:var(--space-5)}.lesson-goals{gap:var(--space-3);flex-direction:column}.exercise{padding:var(--space-5) var(--space-4)}.exercise .question{padding:var(--space-4)}.lesson-map ol{border-radius:var(--radius-lg)}}.site-header__actions{gap:var(--space-2);flex-wrap:wrap;justify-content:flex-end;align-items:center;display:flex}.settings-toggle{gap:var(--space-2);min-height:var(--control-height-sm);padding:var(--space-1) var(--space-4) var(--space-1) var(--space-2);border-radius:var(--radius-pill);background:var(--color-surface);box-shadow:inset 0 0 0 1.5px var(--color-border);color:var(--color-text);font:inherit;font-weight:var(--weight-bold);cursor:pointer;border:0;align-items:center;display:inline-flex}.settings-toggle[aria-expanded=true]{box-shadow:inset 0 0 0 2px var(--color-primary)}.settings-toggle__icon{background:var(--color-accent-soft);width:2rem;height:2rem;color:var(--color-accent-label);font-size:var(--text-sm);font-weight:var(--weight-heavy);border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.site-header--band .settings-toggle{color:var(--color-band-text);background:#ffffff1a;box-shadow:inset 0 0 0 1.5px #ffffff59}.settings{padding:var(--space-6) 0;background:var(--color-surface);box-shadow:var(--shadow-card)}.settings__inner{gap:var(--space-5);flex-direction:column;display:flex}.settings__title{font-size:var(--text-xl);font-weight:var(--weight-heavy)}.settings__grid{gap:var(--space-4) var(--space-6);grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));display:grid}.segmented{border:0;min-width:0;margin:0;padding:0}.segmented legend{margin-bottom:var(--space-2);font-weight:var(--weight-bold);padding:0}.segmented__options{gap:var(--space-1);padding:var(--space-1);border-radius:var(--radius-pill);background:var(--color-surface-muted);flex-wrap:wrap;width:fit-content;max-width:100%;display:flex}.segmented__option{display:inline-flex;position:relative}.segmented__option input{opacity:0;cursor:pointer;margin:0;position:absolute;inset:0}.segmented__option span{min-height:var(--control-height-sm);padding:var(--space-1) var(--space-4);border-radius:var(--radius-pill);font-weight:var(--weight-bold);align-items:center;display:inline-flex}.segmented__option input:checked+span{background:var(--color-primary);color:var(--color-on-primary)}.segmented__option input:focus-visible+span{outline:var(--focus-ring);outline-offset:2px}.settings__foot{gap:var(--space-3);flex-wrap:wrap;align-items:center;display:flex}.settings__close{margin-left:auto}html[data-font=gross]{font-size:112.5%}html[data-font=sehr-gross]{font-size:125%}html[data-line=weit] body,html[data-line=weit] .lead,html[data-line=weit] .prose p{line-height:2}html[data-letter=weit] body{letter-spacing:.06em}html[data-word=weit] body{word-spacing:.25em}html[data-bg=creme]{--color-ground:#fbf5e0}html[data-bg=blau]{--color-ground:#eaf1f6}html[data-bg=weiss]{--color-ground:#fff}html[data-width=schmal]{--measure:30rem}html[data-width=schmal] .lesson-body,html[data-width=schmal] .lesson-flow{max-width:36rem}.reading-ruler{pointer-events:none;z-index:30;background:#f4a26129;border-top:2px solid #a3501a73;border-bottom:2px solid #a3501a73;height:3.5rem;display:none;position:fixed;top:0;left:0;right:0}html[data-ruler=an] .reading-ruler{display:block}.question__actions{gap:var(--space-3);display:flex}.question__feedback:empty{display:none}.question__feedback{gap:var(--space-2);flex-direction:column;display:flex}.question__more{color:var(--color-text-soft);margin:0}.question__hint{margin-top:var(--space-1);font-size:var(--text-sm);font-weight:var(--weight-regular);color:var(--color-text-muted);display:block}.choice input[type=checkbox]{width:1.25rem;height:1.25rem;accent-color:var(--color-primary);flex-shrink:0;margin:0}.quiz-summary:empty{display:none}.order-list{gap:var(--space-3);margin:0;padding:0;list-style:none;display:grid}.order-list li{gap:var(--space-3);padding:var(--space-2) var(--space-2) var(--space-2) var(--space-4);border-radius:var(--radius-md);background:var(--color-surface-soft);flex-wrap:wrap;justify-content:space-between;align-items:center;display:flex}.order-list select{min-height:var(--control-height-sm);padding:0 var(--space-3);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-surface);font:inherit}.progress-pill{gap:var(--space-1);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-text-soft);font-size:var(--text-sm);font-weight:var(--weight-bold);align-items:center;padding:.15rem .7rem;display:inline-flex}.progress-pill--done{background:var(--color-correct-bg);color:var(--color-correct-text)}.continue{gap:var(--space-3);flex-direction:column;max-width:36rem;display:flex}.continue__link{gap:var(--space-4);padding:var(--space-5) var(--space-5) var(--space-5) var(--space-6);border-radius:var(--radius-xl);background:var(--color-surface);box-shadow:var(--shadow-card);color:var(--color-text);font-size:var(--text-lg);font-weight:var(--weight-heavy);justify-content:space-between;align-items:center;text-decoration:none;display:flex}.continue__link:hover{color:var(--color-text);box-shadow:var(--shadow-card), inset 0 0 0 2px var(--color-primary)}html[data-focus-mode] .site-header__actions nav,html[data-focus-mode] .breadcrumb,html[data-focus-mode] .lesson-art,html[data-focus-mode] .lesson-map,html[data-focus-mode] .lesson-next,html[data-focus-mode] .site-footer{display:none}html[data-focus-mode] .lesson-hero{grid-template-columns:minmax(0,1fr)}html[data-focus-mode] .site-main{padding-bottom:7rem}.focus-hidden{display:none!important}.focus-bar{z-index:20;padding:var(--space-3) var(--page-gutter);background:var(--color-surface);position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 24px -12px #24292b40}.focus-bar__inner{gap:var(--space-3);flex-wrap:wrap;align-items:center;max-width:50rem;margin:0 auto;display:flex}.focus-bar__progress{gap:var(--space-1);min-width:8rem;font-size:var(--text-sm);font-weight:var(--weight-bold);flex-direction:column;flex:1;display:flex}.focus-bar__track{border-radius:var(--radius-pill);background:var(--color-surface-muted);height:.5rem;display:block;overflow:hidden}.focus-bar__track span{background:var(--color-primary);height:100%;display:block}.btn:disabled{opacity:.45;cursor:not-allowed}.heft-card{gap:var(--space-5);max-width:50rem;padding:var(--space-6);border-radius:var(--radius-xl);background:var(--color-surface);box-shadow:var(--shadow-card);flex-wrap:wrap;align-items:center;display:flex}.heft-card__icon{background:var(--color-accent-soft);width:3.5rem;height:3.5rem;color:var(--color-accent-strong);border-radius:1.125rem;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex;rotate:-6deg}.heft-card__body{gap:var(--space-2);flex-direction:column;flex:18rem;display:flex}.heft-card__body p{margin:0}.heft-card__button{flex-shrink:0}.heft-card__support{padding-top:var(--space-4);border-top:1px solid var(--color-border);color:var(--color-text-soft);flex-basis:100%;margin:0;font-size:.95rem}.heft-card__support a{font-weight:700}html[data-focus-mode] .heft-card{display:none}.lesson-art__dice{font-size:3.2rem;line-height:1}.pic-dots,.pic-frame,.pic-dice{vertical-align:middle}.pic-dots{flex-wrap:wrap;align-items:center;gap:.5em;display:inline-flex}.pic-dots__group{gap:.22em;display:inline-flex}.pic-dots__group span{background:var(--color-blue);border-radius:50%;width:.8em;height:.8em}.pic-dice{border:2px solid var(--color-text);background:#fff;border-radius:.35em;grid-template-rows:repeat(3,.5em);grid-template-columns:repeat(3,.5em);gap:.14em;padding:.25em;display:inline-grid}.pic-dice__pip{background:var(--color-text);border-radius:50%}.pic-frame{border:2px solid var(--color-text);background:#fff;border-radius:.2em;grid-template-rows:repeat(2,1.05em);grid-template-columns:repeat(5,1.05em);display:inline-grid}.pic-frame>span{border-right:1.5px solid var(--color-text);border-bottom:1.5px solid var(--color-text);position:relative}.pic-frame>span:nth-child(5n){border-right:0}.pic-frame>span:nth-child(n+6){border-bottom:0}.pic-frame__a:after,.pic-frame__b:after{content:"";background:var(--color-blue);border-radius:50%;position:absolute;inset:.14em}.pic-frame__b:after{background:repeating-linear-gradient(45deg, var(--color-accent) 0 .12em, #f8c79d .12em .22em);box-shadow:inset 0 0 0 1.5px var(--color-accent-strong)}.pic-frame__x:after{content:"";border:1.5px dashed var(--color-text);background:linear-gradient(45deg, transparent 43%, var(--color-text) 43% 57%, transparent 57%);border-radius:50%;position:absolute;inset:.14em}.pic-mirror{font-weight:var(--weight-heavy,800);display:inline-block}.pic-mirror,.pic-zahl{color:var(--color-primary);font-size:2.4em;line-height:1}p .pic-mirror,figcaption .pic-mirror,.callout .pic-mirror{font-size:1.25em}.pic-mirror>span{display:inline-block;transform:scaleX(-1)}.pic-zahl{font-size:2.4em;font-weight:var(--weight-heavy,800);color:var(--color-primary);line-height:1;display:inline-block}.pic-path{vertical-align:middle;width:3.6rem;height:6rem;display:inline-block;overflow:visible}.pic-path__guide{fill:none;stroke:#e6e1d8;stroke-width:12px;stroke-linecap:round;stroke-linejoin:round}.pic-path__stroke{fill:none;stroke:var(--color-primary);stroke-width:2.5px;stroke-dasharray:5 4;stroke-linecap:round}.pic-path__arrow{fill:var(--color-primary)}.pic-path__start{fill:var(--color-correct-text);stroke:#fff;stroke-width:1.5px}.pic-path__num{fill:var(--color-correct-text);font:700 11px sans-serif}.figure__big{flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;font-size:2.25rem;line-height:1.2;display:flex}.number-house{font-size:1.5rem;font-weight:var(--weight-bold,700);text-align:center;grid-template-columns:repeat(2,3.2rem);display:inline-grid}.number-house__roof{background:linear-gradient(to bottom right, transparent 49%, var(--color-text) 49% 51%, transparent 51%) left / 50% 100% no-repeat, linear-gradient(to bottom left, transparent 49%, var(--color-text) 49% 51%, transparent 51%) right / 50% 100% no-repeat;height:3rem;color:var(--color-primary);grid-column:1/-1;justify-content:center;align-items:flex-end;padding-bottom:.25rem;display:flex;position:relative}.number-house__cell{border:2px solid var(--color-text);background:#fff;justify-content:center;align-items:center;height:3rem;margin:-1px 0 0 -1px;display:flex}.number-house__cell--empty{background:var(--color-surface-soft,#f7f4ee)}.figure__big>.pic-dots{background:#fff;border-radius:.4em;padding:.35em .45em;font-size:.75em}.sound{vertical-align:middle;align-items:center;gap:.3em;display:inline-flex}.sound__text{font-weight:var(--weight-heavy,800);color:var(--color-primary)}.sound__play{border:2px solid var(--color-primary);background:var(--color-surface);width:2.75rem;height:2.75rem;color:var(--color-primary);cursor:pointer;border-radius:50%;place-items:center;padding:0;display:inline-grid}.sound__play[hidden]{display:none}.sound__play svg{fill:currentColor;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;width:1.35rem;height:1.35rem}.sound__play:hover,.sound__play[data-playing]{background:var(--color-primary);color:#fff}.sound__play:focus-visible{outline:3px solid var(--color-focus,#1b5960);outline-offset:2px}@media print{.sound__play{display:none}}.table-wrap{overflow-x:auto}.sound-table{border-collapse:collapse;width:100%;max-width:60rem}.sound-table th,.sound-table td{padding:var(--space-3);border-bottom:1px solid var(--color-border);text-align:left;vertical-align:middle}.sound-table__key{color:var(--color-text-soft);font-weight:400;font-size:var(--text-sm)}.pic-twenty{vertical-align:middle;flex-wrap:wrap;gap:.35em;display:inline-flex}.pic-tens{vertical-align:middle;align-items:flex-end;gap:.25em;display:inline-flex}.pic-tens__bar{border:1.5px solid var(--color-text);background:var(--color-blue);grid-template-rows:repeat(10,.5em);width:.55em;display:inline-grid}.pic-tens__bar span{border-bottom:1px solid #fff9}.pic-tens__bar span:last-child{border-bottom:0}.pic-tens__ones{grid-template-columns:repeat(2,.55em);gap:.12em;margin-left:.25em;display:inline-grid}.pic-tens__ones span{border:1.5px solid var(--color-text);background:var(--color-accent);width:.55em;height:.55em}.pic-money{vertical-align:middle;flex-wrap:wrap;align-items:center;gap:.3em;display:inline-flex}.pic-money__coin{border:2px solid var(--color-text);width:2.4em;height:2.4em;color:var(--color-text);text-align:center;border-radius:50%;place-items:center;font-size:.55em;font-weight:800;line-height:1;display:inline-grid}.pic-money--copper{background:#e9b48f}.pic-money--gold{background:#f2d58a;width:2.7em;height:2.7em}.pic-money--bi{background:radial-gradient(circle,#f2d58a 0 52%,#d6d6d6 53%);width:2.9em;height:2.9em}.pic-money__note{border:2px solid var(--color-text);width:4.6em;height:2.4em;color:var(--color-text);border-radius:.3em;place-items:center;font-size:.55em;font-weight:800;display:inline-grid}.pic-money--n5{background:#d9dcd6}.pic-money--n10{background:#f1c6b5}.pic-money--n20{background:#c7d6ea}.pic-money--n50{background:#f3d2a8}.pic-clock{vertical-align:middle;width:6em;height:6em}.pic-clock__face{fill:#fff;stroke:var(--color-text);stroke-width:3px}.pic-clock__hour{stroke:var(--color-text);stroke-width:2.4px}.pic-clock__min{stroke:var(--color-text-soft,#555);stroke-width:1px}.pic-clock__num{fill:var(--color-text);text-anchor:middle;font:700 11px sans-serif}.pic-clock__hand-h{stroke:var(--color-text);stroke-width:6px;stroke-linecap:round}.pic-clock__hand-m{stroke:var(--color-primary);stroke-width:3px;stroke-linecap:round}.pic-clock__pin{fill:var(--color-text)}.pic-shape{vertical-align:middle;width:3.2em;height:3.2em}.pic-shape>*{fill:#dbe6f1;stroke:var(--color-text);stroke-width:2.5px;stroke-linejoin:round}.pic-shape .pic-shape__top{fill:#eef3f8}.pic-shape .pic-shape__side{fill:#b9cde2}.pic-shape .pic-shape__line{fill:none;stroke-width:1.5px;stroke-dasharray:3 3}.pic-shape .pic-shape__shine{fill:#fff;stroke:none}.pic-array{grid-template-columns:repeat(var(--cols), .7em);vertical-align:middle;border:1.5px solid var(--color-border-strong);background:#fff;border-radius:.3em;gap:.22em;padding:.3em;display:inline-grid}.pic-array span{background:var(--color-blue);border-radius:50%;width:.7em;height:.7em}.pic-ruler{width:calc(var(--w) * .045em);vertical-align:middle;max-width:100%;height:auto}.pic-ruler__body{fill:#fbf6dc;stroke:var(--color-text);stroke-width:1.5px}.pic-ruler__tick{stroke:var(--color-text);stroke-width:1px}.pic-ruler__num{fill:var(--color-text);text-anchor:middle;font:700 10px sans-serif}.pic-ruler__pencil{fill:var(--color-accent);stroke:var(--color-text);stroke-width:1.2px}.pic-ruler__tip{fill:#f3dcc0;stroke:var(--color-text);stroke-width:1.2px}.pic-tally{vertical-align:middle;gap:.6em;display:inline-flex}.pic-tally__group{gap:.22em;padding:0 .1em;display:inline-flex;position:relative}.pic-tally__group span{background:var(--color-text);border-radius:.1em;width:.16em;height:1.4em}.pic-tally__group--full:after{content:"";background:var(--color-text);border-radius:.1em;height:.16em;position:absolute;top:50%;left:-.2em;right:-.2em;transform:rotate(-30deg)}.pic-bars{width:calc(var(--w) * .04em);vertical-align:middle;max-width:100%;height:auto}.pic-bars__grid{stroke:#d9d3c7;stroke-width:1px}.pic-bars__grid--5{stroke:#b3ab9c}.pic-bars__num,.pic-bars__label{fill:var(--color-text);text-anchor:middle;font:700 10px sans-serif}.pic-bars__label{font-size:12px}.pic-bars__bar{stroke:var(--color-text);stroke-width:1.5px}.pic-bars__bar--0{fill:var(--color-blue)}.pic-bars__bar--1{fill:var(--color-accent)}.pic-bars__bar--2{fill:#8fb39b}.pic-path__line{stroke:#cfc7b8;stroke-width:.8px}.pic-path__line--base{stroke:#a99f8e;stroke-width:1.2px}.pic-path__dot{fill:var(--color-primary)}.pic-syll{display:inline-block}.pic-syll__word{gap:.12em;padding-bottom:.35em;font-weight:700;display:inline-flex}.pic-syll__s{padding:0 .06em;position:relative}.pic-syll__s:after{content:"";border:.12em solid var(--color-primary);border-top:0;border-radius:0 0 50% 50%/0 0 100% 100%;height:.36em;position:absolute;bottom:-.32em;left:.05em;right:.05em}.pic-syll__s--1:after{border-color:var(--color-accent-strong,#c96e2b)}.pic-path--letter{width:4.6rem;height:7.6rem}.pic-wall{vertical-align:middle;flex-direction:column;align-items:center;gap:.15em;display:inline-flex}.pic-wall__row{gap:.15em;display:flex}.pic-wall__stone{border:1.5px solid var(--color-text);background:#f3e7d6;border-radius:.2em;justify-content:center;align-items:center;min-width:2.4em;height:1.7em;padding:0 .2em;font-weight:700;display:inline-flex}.pic-wall__stone--empty{background:#fff;border-style:dashed}.pic-tri{vertical-align:middle;width:11em;max-width:100%;height:auto}.pic-tri__shape{fill:#f3e7d6;stroke:var(--color-text);stroke-width:2px;stroke-linejoin:round}.pic-tri__line{stroke:var(--color-text);stroke-width:1.5px}.pic-tri__num{fill:var(--color-text);text-anchor:middle;font:700 20px sans-serif}.pic-tri__box{fill:#fff;stroke:var(--color-text);stroke-width:1.5px;stroke-dasharray:4 3}.pic-plan{grid-template-columns:repeat(var(--cols), 1.9em);vertical-align:middle;gap:0;padding-bottom:1.3em;display:inline-grid;position:relative}.pic-plan__cell{border:1.5px solid var(--color-text);background:#dbe6f1;justify-content:center;align-items:center;height:1.9em;margin:0 -1.5px -1.5px 0;font-weight:700;display:flex}.pic-plan__cell--empty{background:#fff;border-style:dotted}.pic-plan__front{text-align:center;color:var(--color-text-soft,#555);font-size:.75em;position:absolute;bottom:0;left:0;right:0}.pic-cubes{width:calc(var(--w) * .05em);vertical-align:middle;max-width:100%;height:auto}.pic-cubes>*{stroke:var(--color-text);stroke-width:1.5px;stroke-linejoin:round}.pic-cubes__front{fill:#dbe6f1}.pic-cubes__top{fill:#eef3f8}.pic-cubes__side{fill:#b9cde2}.pic-col{grid-template-columns:repeat(var(--cols), 1.3em);vertical-align:middle;border:1.5px solid var(--color-border-strong,#b3ab9c);font-variant-numeric:tabular-nums;background:#fff linear-gradient(90deg,#ece6da 1px,#0000 1px) .5em 0/1.3em 100%;border-radius:.4em;padding:.35em .5em;font-weight:700;display:inline-grid}.pic-col__c{justify-content:center;align-items:center;height:1.55em;display:flex}.pic-col__c--op{color:var(--color-primary)}.pic-col__c--carry,.pic-col__c--above{height:1em;color:var(--color-accent-strong,#a3501a);align-items:flex-end;font-size:.7em}.pic-col__c--struck{color:var(--color-text-soft,#555);text-decoration:line-through;text-decoration-thickness:2px}.pic-col__c--sum{border-top:2.5px solid var(--color-text)}.pic-col__c--first{border-top:1.5px solid var(--color-text)}.pic-col__c--under{box-shadow:inset 0 -2px 0 var(--color-text)}.pic-col__c--box:after{content:"";border:1.5px dashed var(--color-text);background:#fff;border-radius:.2em;width:1em;height:1.2em}.pic-places{grid-template-columns:repeat(var(--cols), 2.2em);vertical-align:middle;border:1.5px solid var(--color-text);background:#fff;border-radius:.3em;display:inline-grid;overflow:hidden}.pic-places__head,.pic-places__cell{border-left:1px solid var(--color-border-strong,#b3ab9c);justify-content:center;align-items:center;height:1.8em;display:flex}.pic-places__head{background:#dbe6f1;font-size:.85em;font-weight:700}.pic-places__cell{border-top:1px solid var(--color-border-strong,#b3ab9c);font-size:1.15em;font-weight:700}.pic-places__head:nth-child(3n+1),.pic-places__cell:nth-child(3n+1){border-left-width:1px}.pic-places__cell--empty{background:#fbf8f2}.pic-area{vertical-align:middle;grid-template-columns:auto auto;grid-template-areas:"g h""w.";align-items:center;gap:.25em .4em;display:inline-grid}.pic-area__grid{grid-area:g;grid-template-columns:repeat(var(--cols), 1.1em);border:2px solid var(--color-text);background:#dbe6f1;display:inline-grid}.pic-area__grid span{border-bottom:1px solid #9fb6cf;border-right:1px solid #9fb6cf;height:1.1em}.pic-area__w{text-align:center;grid-area:w;font-size:.85em}.pic-area__h{grid-area:h;font-size:.85em}.en{font-weight:700}.pic-grid{vertical-align:middle;max-width:100%;height:auto}.pic-grid__dot{fill:#8a8273}.pic-grid__shape{fill:#43678a2e;stroke:var(--color-text);stroke-width:2.5px;stroke-linejoin:round}.pic-grid polyline.pic-grid__shape{fill:none}.pic-grid__shape--second{fill:#f4a2612e;stroke-dasharray:6 4}.pic-lines{vertical-align:middle;width:9em;height:auto}.pic-lines line{stroke:var(--color-text);stroke-width:2.5px;stroke-linecap:round}.pic-lines .pic-lines__gap{stroke:#43678a;stroke-width:1.5px;stroke-dasharray:3 3}.pic-lines__angle{fill:none;stroke:#43678a;stroke-width:2px}.pic-lines__dot{fill:#43678a}.pic-circle{vertical-align:middle;width:9em;height:auto}.pic-circle__line{fill:#43678a1f;stroke:var(--color-text);stroke-width:2.5px}.pic-circle__radius{stroke:#43678a;stroke-width:2px;stroke-dasharray:4 3}.pic-circle__center{fill:var(--color-text)}.pic-circle text{fill:var(--color-text);font-family:inherit;font-size:10px}.pic-frac{vertical-align:middle;width:11em;height:auto}.pic-frac--pie{width:4.5em}.pic-frac rect,.pic-frac path,.pic-frac circle{stroke:var(--color-text);stroke-width:2px;stroke-linejoin:round}.pic-frac__on{fill:#43678a}.pic-frac__off{fill:#fff}.pic-angle{vertical-align:middle;width:9em;height:auto}.pic-angle line{stroke:var(--color-text);stroke-width:2.5px;stroke-linecap:round}.pic-angle__arc{fill:none;stroke:#43678a;stroke-width:2px}.pic-angle__dot{fill:var(--color-text)}.pic-angle text{fill:var(--color-text);font-family:inherit;font-size:13px}.pic-angle .pic-angle__value{fill:#2c4d6b;font-weight:700}.pic-coords{vertical-align:middle;max-width:100%;height:auto}.pic-coords__grid{stroke:#d9d3c7;stroke-width:1px}.pic-coords__axis{stroke:var(--color-text);stroke-width:1.8px}.pic-coords text{fill:var(--color-text);font-family:inherit;font-size:10px}.pic-coords .pic-coords__name{font-size:11px;font-weight:700}.pic-coords__pt{fill:var(--color-text)}.pic-coords__shape{fill:#43678a33;stroke:#2c4d6b;stroke-width:2.2px;stroke-linejoin:round}.pic-coords polyline.pic-coords__shape{fill:none}.pic-coords__shape--second{fill:#f4a26133;stroke:#a3501a;stroke-dasharray:6 4}.pic-chart{vertical-align:middle;width:15em;height:auto}.pic-chart path,.pic-chart circle,.pic-chart rect{stroke:#fff;stroke-width:1.5px}.pic-chart text{fill:var(--color-text);font-family:inherit;font-size:10px}.pic-chart .pic-chart__in{fill:#fff;font-size:11px;font-weight:700}.pic-chart__s0{fill:#1b5960}.pic-chart__s1{fill:#43678a}.pic-chart__s2{fill:#a3501a}.pic-chart__s3{fill:#5f7d63}.pic-chart__s4{fill:#7a5c8a}.pic-chart__s5{fill:#8a6d1f}.pic-chart__s6{fill:#4a4a4a}.pic-chart__s7{fill:#2f7f8a}.pic-box{vertical-align:middle;width:18em;height:auto}.pic-box__axis,.pic-box__line{stroke:var(--color-text);stroke-width:1.8px}.pic-box__box{fill:#43678a33;stroke:var(--color-text);stroke-width:2px}.pic-box__median{stroke:#a3501a;stroke-width:3px}.pic-box text{fill:var(--color-text);font-family:inherit;font-size:10px}.pic-su{vertical-align:middle;max-width:100%;height:auto}.pic-su--compass{width:8em}.pic-su--circuit{width:11em}.pic-su--plant{width:12em}.pic-su--timeline{width:100%;max-width:34em}.pic-su--seasons{width:11em}.pic-su text{fill:var(--color-text);font-family:inherit;font-size:12px}.pic-su--compass text{font-size:15px;font-weight:700}.pic-su__needle{fill:#fff;stroke:var(--color-text);stroke-width:2px;stroke-linejoin:round}.pic-su__needle--soft{fill:#f2efe8}.pic-su__north{fill:#43678a;stroke:var(--color-text);stroke-width:2px;stroke-linejoin:round}.pic-su__box{fill:#fff;stroke:var(--color-text);stroke-width:1.5px}.pic-su__wire{fill:none;stroke:var(--color-text);stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.pic-su__battery{fill:#e3ebf3;stroke:var(--color-text);stroke-width:2px}.pic-su__lamp{fill:#fff;stroke:var(--color-text);stroke-width:2px}.pic-su__lamp--on{fill:#ffe7b0}.pic-su__filament{fill:none;stroke:var(--color-text);stroke-width:1.5px}.pic-su__rays line{stroke:#a3501a;stroke-width:2.5px;stroke-linecap:round}.pic-su__dot{fill:var(--color-text)}.pic-su__soil{fill:#efe6d6;stroke:#6b5532;stroke-width:1.5px}.pic-su__stem{stroke:#2f5c45;stroke-width:4px;stroke-linecap:round}.pic-su__leaf{fill:#cfe0d3;stroke:#2f5c45;stroke-width:2px}.pic-su__flower circle{fill:#fbe3d0;stroke:#a3501a;stroke-width:1.5px}.pic-su__flower .pic-su__center{fill:#f4a261}.pic-su__root{fill:none;stroke:#6b5532;stroke-width:2.5px;stroke-linecap:round}.pic-su__labels line{stroke:var(--color-text);stroke-width:1px;stroke-dasharray:3 2}.pic-su__axis{stroke:var(--color-text);stroke-width:2.5px}.pic-su__arrow{fill:var(--color-text)}.pic-su__when{font-weight:700}.pic-su__ring{fill:#f7f3ec;stroke:var(--color-text);stroke-width:2.5px}