@import"https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,500;12..96,600;12..96,700;12..96,800&family=Figtree:wght@400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap";:root{--forest-950:#0B1A13;--forest-900:#12291F;--forest-800:#173628;--forest-700:#1C4433;--forest-600:#255743;--forest-500:#2F6B4F;--forest-400:#4C8A6B;--forest-300:#7BA98F;--forest-200:#B4CFBF;--forest-100:#DCEAE1;--forest-50:#EEF5F0;--mustard-700:#A87206;--mustard-600:#C98A0C;--mustard-500:#E8A81C;--mustard-400:#F2BF4F;--mustard-300:#F8D687;--mustard-200:#FBE7B6;--mustard-100:#FDF3DD;--cream-50:#FDFAF3;--cream-100:#F7F1E4;--cream-200:#EFE5D2;--cream-300:#E2D4BA;--cream-400:#CBB994;--clay-600:#A34C1F;--clay-500:#C4622D;--clay-400:#DA8354;--clay-200:#F2CDB8;--clay-100:#FAE7DC;--olive-600:#63722D;--olive-500:#7A8B3A;--olive-300:#B3BF83;--olive-100:#EAEEDA;--ink-900:#201C14;--ink-800:#332D22;--ink-700:#4A4234;--ink-600:#5F5646;--ink-500:#7C7261;--ink-400:#9E9484;--ink-300:#C0B7A7;--white:#FFFFFF;--success-500:#2F6B4F;--success-100:#DCEAE1;--warning-500:#E8A81C;--warning-100:#FDF3DD;--danger-600:#8F2C20;--danger-500:#B23A2B;--danger-100:#F8DFDB;--info-500:#3B6E8F;--info-100:#DEEAF1;--bg-page:var(--cream-50);--bg-page-alt:var(--cream-100);--bg-inverse:var(--forest-900);--surface-card:var(--white);--surface-sunken:var(--cream-100);--surface-raised:var(--white);--surface-accent:var(--mustard-100);--surface-brand:var(--forest-700);--surface-brand-soft:var(--forest-50);--text-body:var(--ink-800);--text-heading:var(--forest-900);--text-muted:var(--ink-500);--text-subtle:var(--ink-400);--text-inverse:var(--cream-50);--text-brand:var(--forest-700);--text-accent:var(--mustard-700);--text-danger:var(--danger-600);--text-link:var(--forest-600);--text-link-hover:var(--forest-900);--border-subtle:var(--cream-200);--border-default:var(--cream-300);--border-strong:var(--ink-300);--border-brand:var(--forest-700);--border-focus:var(--forest-500);--action-primary-bg:var(--forest-700);--action-primary-bg-hover:var(--forest-800);--action-primary-bg-active:var(--forest-900);--action-primary-fg:var(--cream-50);--action-accent-bg:var(--mustard-500);--action-accent-bg-hover:var(--mustard-600);--action-accent-fg:var(--forest-900);--action-secondary-bg:var(--white);--action-secondary-fg:var(--forest-800);--action-disabled-bg:var(--cream-200);--action-disabled-fg:var(--ink-400);--focus-ring:0 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blur(14px);--veil-cream:rgba(253,250,243,.78);--veil-forest:rgba(18,41,31,.72)}:root{--dur-instant:80ms;--dur-fast:.14s;--dur-base:.22s;--dur-slow:.34s;--dur-mascot:.6s;--ease-standard:cubic-bezier(.2,.8,.2,1);--ease-out:cubic-bezier(.16,1,.3,1);--ease-in:cubic-bezier(.55,0,1,.45);--ease-bounce:cubic-bezier(.34,1.56,.64,1);--press-scale:.97;--hover-lift:-1px}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg-page);color:var(--text-body);font-family:var(--font-sans);font-size:var(--text-body-md);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;text-wrap:pretty}h1,h2,h3,h4{font-family:var(--font-display);color:var(--text-heading);letter-spacing:var(--tracking-heading);line-height:var(--leading-snug);margin:0}h1{font-size:var(--text-h1);letter-spacing:var(--tracking-display);line-height:var(--leading-tight)}h2{font-size:var(--text-h2)}h3{font-size:var(--text-h3)}h4{font-size:var(--text-h4)}p{margin:0}a{color:var(--text-link);text-decoration:none;border-bottom:1.5px 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var(--forest-200);color:var(--forest-600)}.zk-swipe-yes:hover{background:var(--forest-50)}.zk-swipe-legend{display:flex;gap:22px;font-size:13px;color:var(--ink-400)}.zk-swipe-legend span{display:inline-flex;align-items:center;gap:6px}.zk-restart{border:none;background:none;font-family:Figtree,sans-serif;font-size:14px;font-weight:600;color:var(--ink-400);cursor:pointer;padding:4px 0 0}.zk-restart:hover{color:var(--forest-700)}.zk-school{display:block;max-width:860px;margin:0 auto;padding:8px 0 72px}.zk-school-back{margin:0 0 28px;font-size:15px;font-weight:600}.zk-school-back a{color:var(--ink-500);border-bottom:none}.zk-school-back a:hover{color:var(--forest-900)}.zk-school-head{margin-bottom:32px}.zk-school-h1{font-family:Bricolage Grotesque,Figtree,sans-serif;font-size:34px;line-height:1.08;font-weight:800;letter-spacing:-.025em;margin:0 0 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var(--ease-standard)}.zk-file:hover:not(:disabled){transform:translateY(-1px);border-color:var(--forest-200)}.zk-file:disabled{cursor:default}.zk-file[aria-pressed=true]{border-color:var(--forest-600);background:var(--forest-50)}.zk-file-text{display:flex;flex-direction:column;gap:2px;min-width:0}.zk-file-name{font-family:Figtree,sans-serif;font-size:15px;font-weight:700;color:var(--forest-900);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.zk-file-meta{font-size:13px;color:var(--ink-400)}.zk-file-check{flex:0 0 auto;margin-left:auto;display:flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:var(--radius-pill);background:var(--forest-600);color:var(--white);font-size:12px;font-weight:700;line-height:1}.zk-gen-bar{height:6px;border-radius:var(--radius-pill);background:var(--cream-100);overflow:hidden}.zk-gen-fill{display:block;height:100%;border-radius:var(--radius-pill);background:var(--forest-600);transition:width .48s var(--ease-standard)}.zk-gen-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.zk-gen-step{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--ink-400);transition:color .2s var(--ease-standard)}.zk-gen-step.is-active{color:var(--forest-900)}.zk-gen-step.is-done{color:var(--ink-500)}.zk-gen-dot{flex:0 0 auto;width:20px;height:20px;border-radius:var(--radius-pill);display:flex;align-items:center;justify-content:center;font-size:11px;background:var(--cream-100);color:var(--ink-400);transition:background .2s var(--ease-standard),color .2s var(--ease-standard)}.zk-gen-step.is-done .zk-gen-dot{background:var(--forest-600);color:var(--cream-50)}.zk-gen-step.is-active .zk-gen-dot{background:var(--mustard-100);color:var(--mustard-700)}.zk-source{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:8px 14px 8px 8px;border-radius:var(--radius-pill);background:var(--white);border:1.5px solid var(--border-subtle)}.zk-source-name{font-size:14px;font-weight:700;color:var(--forest-900)}.zk-source-again{margin-left:4px;padding:0 0 0 12px;border:none;border-left:1.5px solid var(--border-subtle);background:none;font-family:Figtree,sans-serif;font-size:14px;font-weight:600;color:var(--ink-500);cursor:pointer;transition:color .14s var(--ease-standard)}.zk-source-again:hover{color:var(--forest-900)}.zk-chips{display:flex;flex-wrap:wrap;gap:8px}.zk-chip{font-family:Figtree,sans-serif;font-size:14px;font-weight:600;padding:8px 16px;border-radius:var(--radius-pill);background:var(--white);border:1.5px solid var(--border-subtle);color:var(--ink-600);cursor:pointer;transition:transform .14s var(--ease-standard),background .14s var(--ease-standard),color .14s var(--ease-standard),border-color .14s var(--ease-standard)}.zk-chip:hover{transform:translateY(-1px);color:var(--forest-900)}.zk-chip[aria-pressed=true]{background:var(--forest-900);border-color:var(--forest-900);color:var(--cream-50)}.zk-seg{display:inline-flex;gap:4px;padding:4px;background:var(--white);border:1.5px solid var(--border-subtle);border-radius:var(--radius-pill)}.zk-seg-btn{font-family:Figtree,sans-serif;font-size:14px;font-weight:700;padding:7px 18px;border:none;border-radius:var(--radius-pill);background:none;color:var(--ink-500);cursor:pointer;transition:background .14s var(--ease-standard),color .14s var(--ease-standard)}.zk-seg-btn:hover{color:var(--forest-900)}.zk-seg-btn[aria-pressed=true]{background:var(--mustard-100);color:var(--mustard-700)}.zk-quiz-opt{display:flex;align-items:center;gap:12px;width:100%;font-family:Figtree,sans-serif;font-size:15px;font-weight:600;line-height:1.35;text-align:left;padding:13px 16px;border-radius:var(--radius-input);background:var(--white);border:1.5px solid var(--border-default);color:var(--ink-800);cursor:pointer;transition:transform .14s var(--ease-standard),background .14s var(--ease-standard),border-color .14s var(--ease-standard),opacity .2s var(--ease-standard)}.zk-quiz-opt:hover:not(:disabled){transform:translateY(-1px);border-color:var(--forest-200);background:var(--forest-50)}.zk-quiz-opt:disabled{cursor:default}.zk-quiz-key{flex:0 0 auto;width:26px;height:26px;border-radius:var(--radius-pill);display:flex;align-items:center;justify-content:center;font-family:Space Mono,ui-monospace,monospace;font-size:12px;background:var(--cream-100);color:var(--ink-500)}.zk-quiz-opt.is-correct{border-color:var(--forest-600);background:var(--forest-50);color:var(--forest-900)}.zk-quiz-opt.is-correct .zk-quiz-key{background:var(--forest-600);color:var(--cream-50)}.zk-quiz-opt.is-wrong{border-color:var(--clay-200);background:var(--clay-100);color:var(--clay-500)}.zk-quiz-opt.is-wrong .zk-quiz-key{background:var(--clay-200);color:var(--clay-500)}.zk-quiz-opt.is-dim{opacity:.45}@keyframes zk-quiz-hit{0%{transform:scale(1)}38%{transform:scale(1.035)}to{transform:scale(1)}}@keyframes zk-quiz-miss{0%,to{transform:translate(0)}15%{transform:translate(-5px)}35%{transform:translate(5px)}55%{transform:translate(-3px)}78%{transform:translate(2px)}}@keyframes zk-quiz-reveal{0%{opacity:.4;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}.zk-quiz-opt.is-hit{animation:zk-quiz-hit .44s var(--ease-bounce)}.zk-quiz-opt.is-wrong{animation:zk-quiz-miss .42s var(--ease-standard)}.zk-quiz-opt.is-reveal{animation:zk-quiz-reveal .3s var(--ease-out) .13s both}.zk-quiz-key{transition:background .22s var(--ease-standard),color .22s var(--ease-standard)}@media(prefers-reduced-motion:reduce){.zk-quiz-opt.is-hit,.zk-quiz-opt.is-wrong,.zk-quiz-opt.is-reveal{animation:none}}@keyframes zk-countdown{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.zk-countdown{height:4px;border-radius:var(--radius-pill);background:var(--cream-100);overflow:hidden}.zk-countdown-fill{display:block;height:100%;transform-origin:left center;background:var(--forest-600);animation:zk-countdown linear forwards}.zk-countdown-fill.is-wrong{background:var(--clay-500)}.zk-endstats{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.zk-endstat{font-family:Space Mono,ui-monospace,monospace;font-size:12px;padding:5px 12px;border-radius:var(--radius-pill);display:inline-flex;align-items:center;gap:5px}.zk-endstat-yes{background:var(--forest-50);color:var(--forest-600)}.zk-endstat-no{background:var(--clay-100);color:var(--clay-500)}.zk-retention{padding:8px 0 64px}.zk-retention>h2{margin:0 0 18px}.zk-retention>p{margin:14px 0 0}.zk-curve{position:relative;max-width:840px;padding:4px 0 26px}.zk-curve-canvas{position:relative}.zk-curve-canvas svg{display:block;width:100%;height:auto;overflow:visible}.zk-curve-tag{position:absolute;white-space:nowrap;pointer-events:none;font-size:clamp(11px,1.75vw,17px);font-weight:700;line-height:1.1;color:var(--forest-900)}.zk-curve-tag.brand{color:var(--forest-600)}.zk-curve-tag.lost{color:var(--clay-500)}.zk-curve-tick{position:absolute;white-space:nowrap;font-size:clamp(11px,1.45vw,14px);font-weight:700;line-height:1;color:var(--ink-500);pointer-events:none;opacity:0;transform:translate(-50%) translateY(6px);transition:opacity .15s var(--ease-standard),transform .15s var(--ease-standard)}.zk-curve.is-in .zk-curve-tick{opacity:1;transform:translate(-50%) translateY(0)}.zk-curve-axis{position:absolute;font-size:clamp(11px,1.45vw,14px);font-weight:700;line-height:1;color:var(--ink-600);opacity:0;transform:translateY(4px);transition:opacity .15s var(--ease-standard) .78s,transform .15s var(--ease-standard) .78s}.zk-curve.is-in .zk-curve-axis{opacity:1;transform:translateY(0)}.zk-curve-axis.x{left:0;right:0;bottom:0;text-align:center}.zk-curve-line{fill:none;stroke-width:7;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:100 200;stroke-dashoffset:100;transition:stroke-dashoffset .23s var(--ease-standard)}.zk-curve-line.lost{transition-duration:575ms}.zk-curve.is-in .zk-curve-line{stroke-dashoffset:0}.zk-curve-riser{stroke-width:7;stroke-linecap:round;stroke-dasharray:0 17;opacity:0;transition:opacity .1s var(--ease-standard)}.zk-curve.is-in .zk-curve-riser{opacity:1}.zk-curve-fill{opacity:0;transition:opacity .35s var(--ease-standard) .4s}.zk-curve.is-in .zk-curve-fill{opacity:1}.zk-curve-tag{opacity:0;transition:opacity .25s var(--ease-standard) .4s}.zk-curve.is-in .zk-curve-tag{opacity:1}@media(min-width:880px){.zk-retention{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);grid-template-rows:auto 1fr;column-gap:44px;align-items:start}.zk-retention>h2{grid-area:1 / 1;margin-top:32px;margin-bottom:12px}.zk-retention>p{grid-area:2 / 1;margin-top:0}.zk-retention>.zk-curve{grid-area:1 / 2 / 3 / 3}}@media(prefers-reduced-motion:reduce){.zk-curve-line{stroke-dashoffset:0}.zk-curve-riser,.zk-curve-fill,.zk-curve-tag,.zk-curve-tick,.zk-curve-axis{opacity:1}.zk-curve-tick{transform:translate(-50%)}.zk-curve-axis{transform:none}.zk-curve-line,.zk-curve-riser,.zk-curve-fill,.zk-curve-tag,.zk-curve-tick,.zk-curve-axis{transition:none}}.zk-cookie{position:fixed;z-index:19;left:0;right:0;bottom:0;background:var(--cream-50);border-top:1.5px solid var(--border-default);box-shadow:var(--shadow-xl);animation:zk-cookie-in var(--dur-slow) var(--ease-out) both}.zk-cookie-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;max-width:1240px;margin:0 auto;padding:18px 24px}.zk-cookie-body{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1 1 380px}.zk-cookie-title{font-family:var(--font-display);font-size:17px;font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:0;color:var(--text-heading);text-wrap:pretty}.zk-cookie-text{font-size:14px;line-height:1.5;margin:0;color:var(--ink-600);max-width:72ch;text-wrap:pretty}.zk-cookie-link{color:var(--text-link)}.zk-cookie-actions{display:flex;flex-wrap:wrap;gap:10px;flex-shrink:0}@keyframes zk-cookie-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}@media(max-width:560px){.zk-cookie-inner{padding:16px;gap:12px}.zk-cookie-actions{width:100%}.zk-cookie-actions>button{flex:1 1 0;min-width:0}}@media(prefers-reduced-motion:reduce){.zk-cookie{animation:none}}.zk-cookie-reopen{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:none;border-bottom:1.5px solid color-mix(in oklab,var(--text-link) 35%,transparent);padding:0;font:inherit;font-size:15px;color:var(--text-link);cursor:pointer;transition:color var(--dur-fast) var(--ease-standard),border-color var(--dur-fast) var(--ease-standard)}.zk-cookie-reopen:hover{color:var(--text-link-hover);border-bottom-color:var(--text-link-hover)}.zk-cookie-reopen:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-xs)}.zk-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.zk-contact-error{margin:0;font-size:14px;line-height:1.5;font-weight:600;color:var(--text-danger)}.zk-contact-done{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:8px 0}.zk-contact-done h2{font-family:Bricolage Grotesque,Figtree,sans-serif;font-size:26px;font-weight:800;letter-spacing:-.02em;margin:0;color:var(--forest-900)}.zk-contact-done p{margin:0;font-size:16px;line-height:1.5;color:var(--ink-600);max-width:40em}.zk-compare-wrap{max-width:760px;margin:0 auto;padding:8px 0 64px;display:flex;flex-direction:column;gap:16px}.zk-compare-h{font-family:Bricolage Grotesque,Figtree,sans-serif;font-size:32px;font-weight:800;letter-spacing:-.015em;margin:0;color:var(--forest-900)}.zk-compare{background:var(--white);border:1.5px solid var(--border-subtle);border-radius:var(--radius-lg, 18px);box-shadow:var(--shadow-xs);overflow:hidden}.zk-compare-row{display:grid;grid-template-columns:1fr 84px 84px;align-items:stretch;border-bottom:1.5px solid var(--cream-100)}.zk-compare-row:last-child{border-bottom:none}.zk-compare-head{background:var(--cream-50)}.zk-compare-col{display:flex;align-items:center;justify-content:center;padding:10px 6px;text-align:center;font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-400)}.zk-compare-col.is-premium{background:var(--forest-700);color:var(--cream-50)}.zk-compare-title{display:flex;align-items:center;padding:12px 8px 12px 16px;font-size:14px;line-height:1.3;font-weight:700;color:var(--forest-900)}.zk-compare-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:12px 6px}.zk-compare-cell.is-premium{background:var(--forest-50)}.zk-compare-mark{display:block;flex:0 0 auto}.zk-compare-mark.is-yes{color:var(--forest-500)}.zk-compare-mark.is-limited{color:var(--cream-400)}.zk-compare-mark.is-no{color:var(--danger-500)}.zk-compare-val{text-align:center;font-size:11.5px;line-height:1.25;font-weight:600;color:var(--ink-500)}.zk-compare-val.is-yes{color:var(--forest-700)}.zk-compare-val.is-no{color:var(--ink-400)}.zk-compare-note{margin:0 auto;max-width:46em;font-size:13px;line-height:1.5;color:var(--ink-500)}@media(min-width:640px){.zk-compare-row{grid-template-columns:1fr 120px 120px}.zk-compare-title{padding-left:20px;font-size:15px}.zk-compare-val{font-size:12.5px}}@media(min-width:808px){.zk-compare-h,.zk-compare-note{text-align:center}}@media(min-width:880px){.zk-compare-row{grid-template-columns:1fr 140px 140px}.zk-compare-title{padding-left:24px;font-size:16px}}