:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-display:ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--text-xs:.8125rem;--text-sm:.875rem;--text-base:1rem;--text-md:clamp(1.0625rem, 1.02rem + .25vw, 1.1875rem);--text-lg:clamp(1.1875rem, 1.1rem + .4vw, 1.375rem);--text-xl:clamp(1.375rem, 1.25rem + .6vw, 1.75rem);--text-2xl:clamp(1.625rem, 1.4rem + 1.1vw, 2.25rem);--text-3xl:clamp(2rem, 1.6rem + 2vw, 3rem);--text-4xl:clamp(2.375rem, 1.8rem + 2.8vw, 3.5rem);--text-5xl:clamp(2.125rem, 1.1rem + 2.6vw + 1.3vh, 4.25rem);--leading-tight:1.15;--leading-snug:1.3;--leading-normal:1.6;--leading-relaxed:1.75;--tracking-eyebrow:.14em;--tracking-tight:-.012em;--weight-regular:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--space-2xs:.25rem;--space-xs:.5rem;--space-sm:.75rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--space-4xl:6rem;--gutter:clamp(1rem, 5vw, 2.5rem);--space-section:clamp(3rem, 8vw, 5.5rem);--layout-max:72rem;--layout-narrow:46rem;--measure:68ch;--header-height:3.75rem;--touch-target:2.75rem;--hero-min-height:100dvh;--hero-min-height-floor:30rem;--radius-xs:.375rem;--radius-sm:.625rem;--radius-md:1rem;--radius-lg:1.5rem;--radius-xl:2rem;--radius-pill:999px;--brand-sky:#bfe3f2;--brand-drought:brown;--brand-bark:#a47856;--brand-canopy:#1f583c;--hero-shade:10 24 16;--hero-ink:#f3f8f0;--hero-ink-muted:#c6d6c4;--hero-accent:#9ad9ad;--hero-line:#f3f8f03d;--hero-line-strong:#f3f8f06b;--hero-text-halo:0 1px 2px #0a1810e6, 0 2px 18px #0a1810d9;--hero-glass:#0a18109e;--hero-glass-strong:#0a1810d1;--hero-mist:214 232 219;--color-bg:#f7f3ea;--color-bg-tinted:#edf1e3;--color-surface:#fffdf8;--color-surface-raised:#fff;--color-ink:#1d2a21;--color-ink-muted:#465443;--color-ink-inverse:#f7f3ea;--color-accent:#2c6a41;--color-accent-strong:#215230;--color-accent-soft:#dfeadd;--color-accent-ink:#fff;--color-bark:#6d4826;--color-drought-ink:brown;--tier-practice:#7b7263;--tier-starter:#4f9a67;--tier-intermediate:#2c6a41;--tier-advanced:#8a5a2a;--tier-exam:#2f6b86;--color-border:#ded6c5;--color-border-strong:#c2b9a4;--color-focus:#215230;--color-scrim:#1d2a218c;--color-header-bg:#f7f3ead1;--color-stage-bg:#bfe3f2;--color-hero-wash:#e7f0ee;--shadow-sm:0 1px 2px #2d23140f, 0 2px 6px #2d23140d;--shadow-md:0 2px 4px #2d23140f, 0 10px 24px #2d231414;--shadow-lg:0 4px 8px #2d231412, 0 20px 44px #2d23141f;--ease-out:cubic-bezier(.22, .61, .36, 1);--ease-in-out:cubic-bezier(.45, .05, .55, .95);--duration-micro:.14s;--duration-enter:.26s;--duration-slow:.38s;--z-base:0;--z-stage-overlay:10;--z-header:100;--z-nav-panel:90;--z-skip-link:200}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (min-width:48rem){:root{--header-height:4.5rem}}@media (prefers-color-scheme:dark){:root{--color-bg:#16211a;--color-bg-tinted:#1a2620;--color-surface:#1e2b22;--color-surface-raised:#24332a;--color-ink:#eef2e8;--color-ink-muted:#b4c2b2;--color-ink-inverse:#10190f;--color-accent:#7cc894;--color-accent-strong:#9ad9ad;--color-accent-soft:#24382b;--color-accent-ink:#0f1a13;--color-bark:#d9a877;--color-drought-ink:#e69a86;--tier-practice:#9aa392;--tier-starter:#8fd39f;--tier-intermediate:#5cb37c;--tier-advanced:#d9a877;--tier-exam:#7fc3de;--color-border:#2f3f34;--color-border-strong:#46594b;--color-focus:#9ad9ad;--color-scrim:#060c08a8;--color-header-bg:#16211ad6;--color-stage-bg:#1e3038;--color-hero-wash:#1b2a26;--shadow-sm:0 1px 2px #0000004d, 0 2px 6px #0000003d;--shadow-md:0 2px 4px #00000052, 0 10px 24px #00000057;--shadow-lg:0 4px 8px #00000057, 0 20px 44px #00000070}}:root[dir=rtl]{--tracking-eyebrow:normal}*,:before,:after{box-sizing:border-box}*{margin:0}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-height) + var(--space-md));scroll-behavior:smooth;overflow-x:clip}body{background-color:var(--color-bg);min-height:100dvh;color:var(--color-ink);font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility}h1,h2,h3,h4{font-family:var(--font-display);font-weight:var(--weight-semibold);line-height:var(--leading-tight);letter-spacing:var(--tracking-tight);text-wrap:balance}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-xl);line-height:var(--leading-snug)}h4{font-size:var(--text-lg);line-height:var(--leading-snug)}p{text-wrap:pretty}strong,b{font-weight:var(--weight-semibold)}small{font-size:var(--text-sm)}p,li,h1,h2,h3,h4,dd,dt,figcaption{overflow-wrap:break-word}a{color:var(--color-accent);-webkit-text-decoration-color:color-mix(in srgb, currentcolor 40%, transparent);text-decoration-color:color-mix(in srgb, currentcolor 40%, transparent);text-underline-offset:.18em;transition:color var(--duration-micro) var(--ease-out)}a:hover{color:var(--color-accent-strong);text-decoration-color:currentColor}img,picture,svg,video{max-width:100%;display:block}img,video{height:auto}:where(ul,ol){padding-inline-start:0;list-style:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:none}:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px;border-radius:var(--radius-xs)}.skip-link{top:var(--space-xs);z-index:var(--z-skip-link);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);background-color:var(--color-accent);color:var(--color-accent-ink);font-weight:var(--weight-semibold);box-shadow:var(--shadow-md);transform:translateY(calc(-100% - var(--space-lg)));transition:transform var(--duration-micro) var(--ease-out);text-decoration:none;position:fixed;inset-inline-start:var(--space-xs)}.skip-link:focus{transform:translateY(0)}.visually-hidden:not(:focus):not(:active){clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}::selection{background-color:var(--color-accent-soft);color:var(--color-ink)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.site-header{z-index:var(--z-header);align-items:center;gap:var(--space-md);min-height:var(--header-height);padding:var(--space-xs) var(--gutter);border-bottom:1px solid var(--color-border);background-color:var(--color-header-bg);transition:background-color var(--duration-enter) var(--ease-out), border-color var(--duration-enter) var(--ease-out);display:flex;position:sticky;top:0}@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.site-header{-webkit-backdrop-filter:blur(14px)saturate(1.4);backdrop-filter:blur(14px)saturate(1.4)}}.site-header[data-scrolled=false]:not([data-nav-open=true]){-webkit-backdrop-filter:none;backdrop-filter:none;background-color:#0000;border-bottom-color:#0000}.site-header[data-scrolled=false]:not([data-nav-open=true]) .nav-toggle{color:var(--hero-ink)}.site-header[data-scrolled=false]:not([data-nav-open=true]) .nav-toggle:hover{background-color:var(--hero-glass-strong)}.brand{align-items:center;margin-inline-end:auto;text-decoration:none;display:flex}.brand__mark{width:auto;height:2rem;transition:transform var(--duration-micro) var(--ease-out);display:block}.brand:hover .brand__mark{transform:scale(1.04)}.nav-toggle{min-width:var(--touch-target);min-height:var(--touch-target);padding:var(--space-xs);border-radius:var(--radius-sm);color:var(--color-ink);transition:background-color var(--duration-micro) var(--ease-out);place-items:center;display:grid}.nav-toggle:hover{background-color:var(--color-accent-soft)}.nav-toggle__bar,.nav-toggle__bar:before,.nav-toggle__bar:after{border-radius:var(--radius-pill);width:1.25rem;height:2px;transition:transform var(--duration-micro) var(--ease-out), opacity var(--duration-micro) var(--ease-out);background-color:currentColor;display:block}.nav-toggle__bar{position:relative}.nav-toggle__bar:before,.nav-toggle__bar:after{content:"";position:absolute;left:0}.nav-toggle__bar:before{transform:translateY(-.375rem)}.nav-toggle__bar:after{transform:translateY(.375rem)}[data-nav-open=true] .nav-toggle__bar{opacity:0}[data-nav-open=true] .nav-toggle__bar:before{opacity:1;transform:translateY(0)rotate(45deg)}[data-nav-open=true] .nav-toggle__bar:after{opacity:1;transform:translateY(0)rotate(-45deg)}.site-nav{z-index:var(--z-nav-panel);gap:var(--space-lg);max-height:calc(100dvh - var(--header-height));padding:var(--space-lg) var(--gutter) var(--space-xl);border-bottom:1px solid var(--color-border);background-color:var(--color-surface);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:transform var(--duration-enter) var(--ease-out), opacity var(--duration-enter) var(--ease-out), visibility 0s linear var(--duration-enter);flex-direction:column;display:flex;position:absolute;top:100%;left:0;right:0;overflow-y:auto;transform:translateY(-.5rem)}[data-nav-open=true] .site-nav{opacity:1;visibility:visible;transition:transform var(--duration-enter) var(--ease-out), opacity var(--duration-enter) var(--ease-out), visibility 0s;transform:translateY(0)}.site-nav__list{flex-direction:column;display:flex}.site-nav__list a{min-height:var(--touch-target);padding:var(--space-2xs) var(--space-xs);border-radius:var(--radius-sm);color:var(--color-ink);font-weight:var(--weight-medium);transition:color var(--duration-micro) var(--ease-out), background-color var(--duration-micro) var(--ease-out);align-items:center;text-decoration:none;display:flex}.site-nav__list a:hover{background-color:var(--color-accent-soft);color:var(--color-accent-strong)}.site-nav__actions{align-items:center;gap:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--color-border);flex-wrap:wrap;display:flex}@media (min-width:48rem){.nav-toggle{display:none}.site-nav{align-items:center;gap:var(--space-xl);max-height:none;box-shadow:none;opacity:1;visibility:visible;background:0 0;border:none;flex-direction:row;padding:0;position:static;overflow:visible;transform:none}.site-nav__list{gap:var(--space-2xs);flex-flow:wrap}.site-nav__list a{min-height:2.25rem;padding:var(--space-2xs) var(--space-sm);font-size:var(--text-sm)}.site-nav__actions{border-top:none;padding-top:0}.site-header[data-scrolled=false] .site-nav__list a{color:var(--hero-ink)}.site-header[data-scrolled=false] .site-nav__list a:hover{background-color:var(--hero-glass-strong);color:var(--hero-ink)}.site-header[data-scrolled=false] .lang-select__control{border-color:var(--hero-line);background-color:var(--hero-glass);color:var(--hero-ink)}.site-header[data-scrolled=false] .lang-select__control:hover{border-color:var(--hero-line-strong);background-color:var(--hero-glass-strong);color:var(--hero-ink)}.site-header[data-scrolled=false] .lang-select__icon{color:var(--hero-ink-muted)}}@media (min-width:64rem){.site-nav__list a{font-size:var(--text-base)}}.section{grid-template-columns:minmax(0, var(--layout-max));padding:var(--space-section) var(--gutter);justify-content:center;display:grid}.section>*+*{margin-top:var(--space-2xl)}.section>.section__note+.section__note{margin-top:var(--space-sm)}.section--tinted{background-color:var(--color-bg-tinted)}.section--cta{background-color:var(--color-accent-soft);text-align:center}.section__header{gap:var(--space-sm);max-width:var(--layout-narrow);text-align:center;flex-direction:column;margin-inline:auto;display:flex}.section__title{font-size:var(--text-3xl)}.section__subtitle{color:var(--color-ink-muted);font-size:var(--text-md)}.section__note{max-width:var(--measure);color:var(--color-ink-muted);text-align:center;margin-inline:auto}.section__note--muted{font-size:var(--text-sm)}.site-footer{gap:var(--space-2xl);padding:var(--space-3xl) var(--gutter) var(--space-2xl);border-top:1px solid var(--color-border);background-color:var(--color-surface);display:grid}.site-footer__grid{gap:var(--space-2xl);width:100%;max-width:var(--layout-max);margin-inline:auto;display:grid}.site-footer__brand{align-items:flex-start;gap:var(--space-sm);max-width:22rem;color:var(--color-ink-muted);flex-direction:column;display:flex}.site-footer__brand img{width:auto;height:2.5rem;display:block}.site-footer__heading{font-family:var(--font-sans);font-size:var(--text-sm);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;color:var(--color-ink-muted)}.site-footer__column ul{margin-top:var(--space-sm);flex-direction:column;display:flex}.site-footer__column a{min-height:var(--touch-target);color:var(--color-ink);align-items:center;text-decoration:none;display:inline-flex}.site-footer__column a:hover{color:var(--color-accent-strong);text-decoration:underline}.site-footer__pending{min-height:var(--touch-target);color:var(--color-ink-muted);align-items:center;font-style:italic;display:inline-flex}.site-footer__legal{width:100%;max-width:var(--layout-max);padding-top:var(--space-lg);border-top:1px solid var(--color-border);color:var(--color-ink-muted);font-size:var(--text-sm);margin-inline:auto}@media (min-width:30rem){.site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:64rem){.site-footer__grid{gap:var(--space-xl);grid-template-columns:1.4fr repeat(3,minmax(0,1fr))}}.button{justify-content:center;align-items:center;gap:var(--space-xs);min-height:var(--touch-target);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-pill);font-size:var(--text-sm);font-weight:var(--weight-semibold);text-align:center;transition:transform var(--duration-micro) var(--ease-out), background-color var(--duration-micro) var(--ease-out), border-color var(--duration-micro) var(--ease-out), color var(--duration-micro) var(--ease-out), box-shadow var(--duration-micro) var(--ease-out);border:1px solid #0000;line-height:1.2;text-decoration:none;display:inline-flex}.button:hover{transform:translateY(-1px)}.button:active{transform:translateY(0)scale(.98)}.button--primary{background-color:var(--color-accent);color:var(--color-accent-ink);box-shadow:var(--shadow-sm)}.button--primary:hover{background-color:var(--color-accent-strong);color:var(--color-accent-ink);box-shadow:var(--shadow-md)}.button--ghost{border-color:var(--color-border-strong);color:var(--color-ink);background-color:#0000}.button--ghost:hover{border-color:var(--color-accent);background-color:var(--color-accent-soft);color:var(--color-accent-strong)}.eyebrow{color:var(--color-accent);font-size:var(--text-sm);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase}.eyebrow a{align-items:center;gap:var(--space-2xs);min-height:var(--touch-target);text-decoration:none;display:inline-flex}.eyebrow a:hover{text-decoration:underline}.steps{gap:var(--space-lg);counter-reset:step;display:grid}.step{gap:var(--space-sm);padding:var(--space-md) var(--space-md) var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);box-shadow:var(--shadow-sm);flex-direction:column;display:flex;position:relative}.step:before{counter-increment:step;content:counter(step);top:var(--space-lg);border-radius:var(--radius-pill);background-color:var(--color-accent);width:2.25rem;height:2.25rem;color:var(--color-accent-ink);font-family:var(--font-display);font-size:var(--text-base);font-weight:var(--weight-bold);box-shadow:var(--shadow-sm);place-items:center;display:grid;position:absolute;inset-inline-start:var(--space-lg)}.step__image{aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-md);background-color:var(--color-bg-tinted);width:100%}.step__title{font-size:var(--text-xl)}.step__body{color:var(--color-ink-muted)}@media (min-width:48rem){.steps{gap:var(--space-xl);grid-template-columns:repeat(3,minmax(0,1fr))}}.timeline{gap:var(--space-lg);display:grid}.timeline__item{--timeline-accent:var(--color-accent);border-inline-start:2px solid var(--timeline-accent);padding-inline-start:var(--space-lg);position:relative}.timeline__item[data-state=fading]{--timeline-accent:var(--color-bark)}.timeline__item[data-state=drought]{--timeline-accent:var(--color-drought-ink)}.timeline__item:before{content:"";top:.35em;border-radius:var(--radius-pill);background-color:var(--timeline-accent);width:.75rem;height:.75rem;position:absolute;inset-inline-start:-.4375rem}.timeline__time{color:var(--timeline-accent);font-size:var(--text-sm);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase}.timeline__title{margin-top:var(--space-2xs);font-size:var(--text-lg)}.timeline__body{margin-top:var(--space-xs);color:var(--color-ink-muted)}@media (min-width:48rem){.timeline{gap:var(--space-xl);grid-template-columns:repeat(3,minmax(0,1fr))}.timeline__item{padding-top:var(--space-lg);border-top:2px solid var(--timeline-accent);border-inline-start:none;padding-inline-start:0}.timeline__item:before{top:-.4375rem;inset-inline-start:0}}.feature-grid{gap:var(--space-lg);grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr));display:grid}.feature-card{gap:var(--space-xs);padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);box-shadow:var(--shadow-sm);flex-direction:column;display:flex}.feature-card__title{font-size:var(--text-lg)}.feature-card__body{color:var(--color-ink-muted)}.system-list{gap:var(--space-lg);display:grid}.system-card{gap:var(--space-sm);padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);box-shadow:var(--shadow-sm);display:grid}.system-card__title{font-size:var(--text-lg)}.system-card__body{color:var(--color-ink-muted)}.system-card__points{gap:var(--space-xs);color:var(--color-ink-muted);font-size:var(--text-sm);display:grid}.system-card__points li{padding-inline-start:var(--space-md);position:relative}.system-card__points li:before{content:"";top:calc(var(--leading-normal) * .5em);width:var(--space-xs);border-top:2px solid var(--color-accent);position:absolute;inset-inline-start:0}@media (min-width:48rem){.system-card{column-gap:var(--space-2xl);padding:var(--space-xl);grid-template-columns:minmax(0,5fr) minmax(0,6fr)}.system-card__title{grid-area:1/1}.system-card__body{grid-area:2/1}.system-card__points{grid-area:1/2/span 2}}.faq-list{gap:var(--space-sm);width:100%;max-width:var(--layout-narrow);margin-inline:auto;display:grid}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-surface)}.faq-item__question{justify-content:space-between;align-items:center;gap:var(--space-md);min-height:var(--touch-target);padding:var(--space-md);border-radius:var(--radius-md);font-family:var(--font-display);font-size:var(--text-md);font-weight:var(--weight-semibold);cursor:pointer;list-style:none;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"";border-right:2px solid var(--color-accent);border-bottom:2px solid var(--color-accent);width:.55rem;height:.55rem;transition:transform var(--duration-micro) var(--ease-out);flex:none;margin-top:-.2rem;transform:rotate(45deg)}.faq-item__question:hover{color:var(--color-accent-strong)}.faq-item[open] .faq-item__question:after{margin-top:.2rem;transform:rotate(-135deg)}.faq-item__answer{padding:0 var(--space-md) var(--space-md);max-width:var(--measure);color:var(--color-ink-muted)}.faq-item[open] .faq-item__answer{animation:faq-reveal var(--duration-enter) var(--ease-out) both}@keyframes faq-reveal{0%{opacity:0;transform:translateY(-.25rem)}to{opacity:1;transform:translateY(0)}}.store-badges{justify-content:center;gap:var(--space-md);flex-wrap:wrap;display:flex}.store-badge{--store-badge-height:3.25rem;--store-badge-radius:calc(var(--store-badge-height) * .148);justify-content:center;align-items:center;gap:var(--space-xs);height:var(--store-badge-height);border-radius:var(--store-badge-radius);background-color:rgb(var(--hero-shade));color:var(--hero-ink);font-weight:var(--weight-semibold);transition:transform var(--duration-micro) var(--ease-out), opacity var(--duration-micro) var(--ease-out);border:1px solid #0000;text-decoration:none;display:inline-flex}.store-badges--hero .store-badge{background-color:#0000}.store-badge__art{width:auto;height:100%}.store-badge--text{padding:var(--space-sm) var(--space-xl);font-size:var(--text-sm)}.store-badge:hover{transform:translateY(-2px)}.store-badge--pending{cursor:default}.store-badge--pending:hover{transform:none}.store-badge--pending.store-badge--text{border:1px dashed var(--color-border-strong);color:var(--color-ink-muted);font-weight:var(--weight-medium);box-shadow:none;background-color:#0000}.store-badge--pending.store-badge--text:hover{color:var(--color-ink-muted);box-shadow:none}.store-badges--hero{justify-content:center;gap:var(--space-sm);width:100%}.store-badges+.section__note{margin-top:var(--space-lg)}.library-stats{gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(min(100%,10rem),1fr));display:grid}.library-stat{gap:var(--space-2xs);padding:var(--space-lg) var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);box-shadow:var(--shadow-sm);text-align:center;display:grid}.library-stat__value{color:var(--color-accent-strong);font-family:var(--font-display);font-size:var(--text-3xl);font-weight:var(--weight-bold);line-height:var(--leading-tight);font-variant-numeric:tabular-nums}.library-stat__label{color:var(--color-ink-muted);font-size:var(--text-sm);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase}.library-groups{gap:var(--space-lg);align-items:start;display:grid}@media (min-width:62rem){.library-groups{grid-template-columns:repeat(auto-fit,minmax(min(100%,27rem),1fr))}}.library-card{gap:var(--space-md);padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);box-shadow:var(--shadow-sm);display:grid}.library-card__header{align-items:center;gap:var(--space-sm) var(--space-md);flex-wrap:wrap;display:flex}.library-card__mark{border-radius:var(--radius-md);background-color:var(--color-accent-soft);width:3rem;height:3rem;color:var(--color-accent-strong);font-family:var(--font-display);font-size:var(--text-md);font-weight:var(--weight-bold);flex:none;place-items:center;display:grid}.library-card__heading{flex:9rem}.library-card__title{font-size:var(--text-lg)}.library-card__meta{margin-top:var(--space-2xs);color:var(--color-ink-muted);font-size:var(--text-sm)}.library-card__total{color:var(--color-accent-strong);font-family:var(--font-display);font-size:var(--text-md);font-weight:var(--weight-semibold);white-space:nowrap;margin-inline-start:auto}.library-card__variants{margin-top:calc(var(--space-xs) * -1);color:var(--color-ink-muted);font-size:var(--text-xs)}.pack-list{gap:var(--space-xs);display:grid}.pack{--pack-accent:var(--color-accent);align-items:center;column-gap:var(--space-sm);row-gap:var(--space-xs);padding:var(--space-sm);border-radius:var(--radius-sm);background-color:var(--color-bg-tinted);grid-template-columns:auto minmax(0,1fr) auto;display:grid}.pack[data-tier=practice]{--pack-accent:var(--tier-practice)}.pack[data-tier=starter]{--pack-accent:var(--tier-starter)}.pack[data-tier=intermediate]{--pack-accent:var(--tier-intermediate)}.pack[data-tier=advanced]{--pack-accent:var(--tier-advanced)}.pack[data-tier=exam]{--pack-accent:var(--tier-exam)}.pack__badge{min-width:2.75rem;height:1.6rem;padding-inline:var(--space-2xs);border-radius:var(--radius-xs);background-color:color-mix(in srgb, var(--pack-accent) 18%, transparent);color:var(--pack-accent);font-size:var(--text-xs);font-weight:var(--weight-bold);direction:ltr;grid-column:1;place-items:center;display:grid}.pack__badge--blank{background-color:#0000}.pack__badge--blank:before{content:"";border-radius:var(--radius-pill);background-color:var(--pack-accent);width:.45rem;height:.45rem}.pack__label{font-weight:var(--weight-medium);grid-column:2}.pack__count{color:var(--color-ink-muted);font-size:var(--text-sm);font-variant-numeric:tabular-nums;white-space:nowrap;grid-column:3}.pack__bar{border-radius:var(--radius-pill);background-color:color-mix(in srgb, var(--pack-accent) 16%, transparent);grid-column:1/-1;height:.25rem;overflow:hidden}.pack__bar-fill{width:calc(var(--pack-share,0) * 100%);border-radius:inherit;background-color:var(--pack-accent);min-width:.25rem;height:100%;display:block}.library-empty{max-width:var(--measure);color:var(--color-ink-muted);text-align:center;margin-inline:auto}.progress{border-radius:var(--radius-pill);background-color:color-mix(in srgb, var(--color-ink) 14%, transparent);width:100%;max-width:16rem;height:.5rem;overflow:hidden}.progress__fill{border-radius:inherit;background-color:var(--color-accent);transform-origin:0;width:100%;height:100%;transition:transform var(--duration-enter) var(--ease-out);display:block;transform:scaleX(0)}.lang-select{align-items:center;display:inline-flex;position:relative}.lang-select__control{appearance:none;min-height:var(--touch-target);padding-block:var(--space-2xs);padding-inline:var(--space-md) var(--space-xl);border:1px solid var(--color-border);border-radius:var(--radius-pill);background-color:var(--color-bg-tinted);color:var(--color-ink);font-size:var(--text-sm);font-weight:var(--weight-semibold);cursor:pointer;transition:background-color var(--duration-micro) var(--ease-out), border-color var(--duration-micro) var(--ease-out), color var(--duration-micro) var(--ease-out)}.lang-select__control:hover{border-color:var(--color-accent);color:var(--color-accent-strong)}.lang-select__control option{background-color:var(--color-surface);color:var(--color-ink)}.lang-select__icon{width:.45rem;height:.45rem;color:var(--color-ink-muted);pointer-events:none;border-bottom:2px solid;border-right:2px solid;position:absolute;inset-inline-end:var(--space-md);transform:translateY(-25%)rotate(45deg)}.hero{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;isolation:isolate;justify-content:space-between;gap:var(--space-xl);min-height:max(var(--hero-min-height), var(--hero-min-height-floor));margin-top:calc(-1 * var(--header-height));padding:calc(var(--header-height) + var(--space-lg)) var(--gutter) var(--space-lg);color:var(--hero-ink);flex-direction:column;display:flex;position:relative;overflow-x:clip}.forest-stage{z-index:0;background-color:var(--color-stage-bg);touch-action:pan-y;-webkit-user-select:none;user-select:none;cursor:pointer;position:absolute;inset:0;overflow:hidden}.forest-stage[data-scroll-zone]{cursor:grab}.forest-stage[data-scroll-zone]:active{cursor:grabbing}.forest-stage__canvas{position:absolute;inset:0}.forest-stage__canvas>canvas{width:100%;height:100%;display:block}.hero__scrim{z-index:1;pointer-events:none;background-image:linear-gradient(180deg, rgb(var(--hero-shade) / .88) 0%, rgb(var(--hero-shade) / .8) 26%, rgb(var(--hero-shade) / .66) 44%, rgb(var(--hero-shade) / .34) 60%, rgb(var(--hero-shade) / 0) 74%), linear-gradient(0deg, var(--color-bg) 0%, rgb(var(--hero-shade) / .55) 7%, rgb(var(--hero-shade) / 0) 16%), radial-gradient(125% 95% at 50% 42%, rgb(var(--hero-shade) / 0) 42%, rgb(var(--hero-shade) / .5) 100%);position:absolute;inset:0}.hero__scrim:after{content:"";opacity:.16;animation:hero-rays 24s var(--ease-in-out) infinite alternate;background-image:linear-gradient(102deg,#0000 42%,#fffce2d9 48%,#0000 54%),linear-gradient(96deg,#0000 60%,#fffce28c 65%,#0000 70%);position:absolute;inset:-20% -30% 0;-webkit-mask-image:linear-gradient(#000 0% 56%,#0000 88%);mask-image:linear-gradient(#000 0% 56%,#0000 88%)}@keyframes hero-rays{0%{transform:translate(-2%)}to{transform:translate(2%)}}.hero__mist{z-index:1;pointer-events:none;background-image:radial-gradient(60% 74% at 18% 58%, rgb(var(--hero-mist) / .32) 0%, transparent 74%), radial-gradient(46% 62% at 44% 66%, rgb(var(--hero-mist) / .26) 0%, transparent 72%), radial-gradient(66% 80% at 74% 60%, rgb(var(--hero-mist) / .28) 0%, transparent 76%), radial-gradient(38% 56% at 94% 68%, rgb(var(--hero-mist) / .22) 0%, transparent 70%);height:clamp(7rem,22vh,13rem);position:absolute;bottom:0;left:0;right:0;-webkit-mask-image:linear-gradient(#0000 0%,#000 42% 58%,#0000 92%);mask-image:linear-gradient(#0000 0%,#000 42% 58%,#0000 92%)}.hero__mist:before,.hero__mist:after{content:"";background-repeat:no-repeat;position:absolute;inset:-10% -25% 0}.hero__mist:before{background-image:radial-gradient(50% 68% at 30% 62%, rgb(var(--hero-mist) / .24) 0%, transparent 74%), radial-gradient(58% 74% at 66% 70%, rgb(var(--hero-mist) / .2) 0%, transparent 74%);animation:hero-mist-drift 46s var(--ease-in-out) infinite alternate}.hero__mist:after{background-image:radial-gradient(72% 84% at 52% 72%, rgb(var(--hero-mist) / .18) 0%, transparent 78%);animation:hero-mist-drift 68s var(--ease-in-out) infinite alternate-reverse}@keyframes hero-mist-drift{0%{transform:translate(-3%)}to{transform:translate(3%)}}.hero__sentinel{width:1px;height:var(--header-height);pointer-events:none;position:absolute;top:0;left:0}.forest-stage__loader,.forest-stage__error{z-index:var(--z-stage-overlay);justify-content:flex-end;align-items:center;gap:var(--space-md);padding:var(--gutter) var(--gutter) var(--space-3xl);background-color:rgb(var(--hero-shade) / .94);color:var(--hero-ink);text-align:center;flex-direction:column;display:flex;position:absolute;inset:0}.forest-stage__loader-text{color:var(--hero-ink-muted);font-size:var(--text-sm);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase}.forest-stage__error{color:var(--hero-ink-muted)}.hero__copy{z-index:2;gap:var(--space-sm);max-width:34rem;animation:hero-rise var(--duration-slow) var(--ease-out) both;flex-direction:column;display:flex;position:relative}@keyframes hero-rise{0%{opacity:0;transform:translateY(.75rem)}to{opacity:1;transform:translateY(0)}}.hero__title{font-size:var(--text-3xl);color:var(--brand-bark);text-shadow:var(--hero-text-halo)}.hero__title .i18n-accent{color:var(--brand-canopy)}.hero__subtitle{max-width:28rem;color:var(--hero-ink-muted);font-size:var(--text-sm);text-shadow:var(--hero-text-halo)}.hero__actions{align-items:center;gap:var(--space-md);margin-top:var(--space-2xs);flex-wrap:wrap;display:flex}.hero .store-badge--pending.store-badge--text{padding-inline:var(--space-md);border-color:var(--hero-line-strong);background-color:rgb(var(--hero-shade) / .44);color:var(--hero-ink);font-size:var(--text-xs)}.hero .store-badge--pending.store-badge--text:hover{color:var(--hero-ink)}@media (min-width:64rem){.hero__scrim{background-image:linear-gradient(var(--hero-scrim-angle,90deg), rgb(var(--hero-shade) / .9) 0%, rgb(var(--hero-shade) / .76) 26%, rgb(var(--hero-shade) / .34) 48%, rgb(var(--hero-shade) / 0) 70%), linear-gradient(180deg, rgb(var(--hero-shade) / .6) 0%, rgb(var(--hero-shade) / 0) 26%), linear-gradient(0deg, var(--color-bg) 0%, rgb(var(--hero-shade) / .55) 7%, rgb(var(--hero-shade) / 0) 16%), radial-gradient(125% 95% at 62% 42%, rgb(var(--hero-shade) / 0) 45%, rgb(var(--hero-shade) / .46) 100%)}.hero{padding-bottom:var(--space-xl)}.hero__copy{gap:var(--space-md);max-width:38rem;margin-block-end:auto}}[dir=rtl]{--hero-scrim-angle:270deg}.legal{grid-template-columns:minmax(0, var(--layout-max));padding:var(--space-section) var(--gutter) var(--space-4xl);justify-content:center;display:grid}.legal__article{gap:var(--space-2xl);grid-template-columns:minmax(0,1fr);display:grid}.legal__header{gap:var(--space-sm);flex-direction:column;display:flex}.legal__title{font-size:var(--text-3xl)}.legal__updated{color:var(--color-ink-muted);font-size:var(--text-sm)}.legal__intro{max-width:var(--measure);color:var(--color-ink-muted);font-size:var(--text-md);line-height:var(--leading-relaxed)}.legal__toc{padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface)}.legal__toc-title{font-family:var(--font-sans);font-size:var(--text-sm);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;color:var(--color-ink-muted)}.legal__toc ul{margin-top:var(--space-sm);flex-direction:column;display:flex}.legal__toc a{min-height:2.5rem;padding:var(--space-2xs) var(--space-xs);border-radius:var(--radius-xs);color:var(--color-ink);font-size:var(--text-sm);transition:background-color var(--duration-micro) var(--ease-out), color var(--duration-micro) var(--ease-out);align-items:center;text-decoration:none;display:flex}.legal__toc a:hover{background-color:var(--color-accent-soft);color:var(--color-accent-strong)}.legal__section{padding-top:var(--space-xl);border-top:1px solid var(--color-border);scroll-margin-top:calc(var(--header-height) + var(--space-lg))}.legal__section-title{font-size:var(--text-xl)}.legal__section>*+*{margin-top:var(--space-md)}.legal__section p{max-width:var(--measure);line-height:var(--leading-relaxed)}.legal__list{max-width:var(--measure);padding-inline-start:var(--space-lg);list-style:outside}.legal__list li+li{margin-top:var(--space-xs)}.legal__list li::marker{color:var(--color-accent)}.legal__note{max-width:var(--measure);padding:var(--space-md) var(--space-lg);border-inline-start:3px solid var(--color-accent);border-radius:var(--radius-xs);background-color:var(--color-bg-tinted);color:var(--color-ink-muted);font-size:var(--text-sm)}.legal__table-wrap{overscroll-behavior-x:contain;border:1px solid var(--color-border);border-radius:var(--radius-md);-webkit-overflow-scrolling:touch;max-width:100%;overflow-x:auto}.legal__table{border-collapse:collapse;width:100%;min-width:34rem;font-size:var(--text-sm);text-align:start}.legal__table th,.legal__table td{padding:var(--space-sm) var(--space-md);vertical-align:top}.legal__table thead th{background-color:var(--color-bg-tinted);font-weight:var(--weight-semibold);white-space:nowrap}.legal__table tbody tr+tr th,.legal__table tbody tr+tr td{border-top:1px solid var(--color-border)}@media (min-width:64rem){.legal__article{column-gap:var(--space-3xl);grid-template-columns:minmax(0,1fr) 16rem;align-items:start;row-gap:0}.legal__header{margin-bottom:var(--space-2xl);grid-column:1/-1}.legal__toc{top:calc(var(--header-height) + var(--space-lg));max-height:calc(100dvh - var(--header-height) - var(--space-2xl));grid-area:2/2/span 30;position:sticky;overflow-y:auto}.legal__section{grid-column:1}.legal__section+.legal__section{margin-top:var(--space-2xl)}}.legal__fallback{max-width:var(--measure);margin-bottom:var(--space-lg);padding:var(--space-sm) var(--space-md);border:1px dashed var(--color-border-strong);border-radius:var(--radius-sm);background-color:var(--color-bg-tinted);color:var(--color-ink-muted);font-size:var(--text-sm)}