:root{color-scheme:light;--paper: #e6e1d9;--paper-deep: #dbd5cb;--panel: #fcfaf7;--board: #ffffff;--ink: #191817;--ink-soft: #565250;--ink-faint: #8a857e;--rule: #cdc7bd;--rule-soft: #ded8ce;--letter: #1e40af;--letter-deep: #14286f;--space-rule: #c0c9e9;--bloom: rgb(30 64 175 / .22);--foam: #a81338;--shadow-soft: 0 1px 2px rgb(38 32 22 / .05), 0 8px 24px rgb(38 32 22 / .06);--shadow-lift: 0 2px 4px rgb(38 32 22 / .06), 0 18px 46px rgb(38 32 22 / .11);--step--1: .875rem;--step-0: 1.0625rem;--step-1: 1.1875rem;--step-2: 1.4rem;--step-3: clamp(1.6rem, 1.1rem + 1.6vw, 2.2rem);--step-4: clamp(2.1rem, 1.3rem + 3.2vw, 3.1rem);--step-5: clamp(2.6rem, 1.3rem + 5.4vw, 4.6rem);--wrap: 68rem;--wrap-tight: 44rem;--gutter: clamp(1.25rem, 4.5vw, 2.75rem);--band: clamp(3.5rem, 8vw, 6.5rem);--display: "Newsreader", Georgia, "Times New Roman", serif;--body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--keyface: "Helvetica Neue", Helvetica, Arial, sans-serif}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--paper: #161514;--paper-deep: #0e0d0c;--panel: #1f1e1c;--board: #1d1c1b;--ink: #f2f0ed;--ink-soft: #b3ada5;--ink-faint: #8a847c;--rule: #3a3835;--rule-soft: #2b2926;--letter: #7ba7ff;--letter-deep: #b3ccff;--space-rule: #37435b;--bloom: rgb(123 167 255 / .22);--foam: #f0929c;--shadow-soft: 0 1px 2px rgb(0 0 0 / .4), 0 8px 24px rgb(0 0 0 / .32);--shadow-lift: 0 2px 4px rgb(0 0 0 / .45), 0 18px 46px rgb(0 0 0 / .5)}}:root[data-theme=dark]{color-scheme:dark;--paper: #161514;--paper-deep: #0e0d0c;--panel: #1f1e1c;--board: #1d1c1b;--ink: #f2f0ed;--ink-soft: #b3ada5;--ink-faint: #8a847c;--rule: #3a3835;--rule-soft: #2b2926;--letter: #7ba7ff;--letter-deep: #b3ccff;--space-rule: #37435b;--bloom: rgb(123 167 255 / .22);--foam: #f0929c;--shadow-soft: 0 1px 2px rgb(0 0 0 / .4), 0 8px 24px rgb(0 0 0 / .32);--shadow-lift: 0 2px 4px rgb(0 0 0 / .45), 0 18px 46px rgb(0 0 0 / .5)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:var(--step-0);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}:focus-visible{outline:2px solid var(--letter);outline-offset:3px;border-radius:3px}.band{padding-block:var(--band)}.band--panel{background:var(--panel);border-block:1px solid var(--rule-soft)}.band--deep{background:var(--paper-deep);border-block:1px solid var(--rule-soft)}.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}.eyebrow{font-family:var(--body);font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--foam);margin:0 0 .9rem}h1,h2,h3{font-family:var(--display);font-weight:400;letter-spacing:-.015em;text-wrap:balance;margin:0}h2{font-size:var(--step-4);line-height:1.1}h3{font-size:var(--step-2);line-height:1.25}.section-head{margin-bottom:clamp(2rem,4vw,3.25rem)}.section-head h2{max-width:19ch}.section-head p{margin:1.1rem 0 0;color:var(--ink-soft);font-size:var(--step-1);max-width:48ch}a{color:var(--letter);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}.masthead{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s ease}.masthead.is-stuck{border-bottom-color:var(--rule-soft)}.masthead .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4.25rem}.wordmark{display:inline-flex;align-items:center;gap:.65rem;font-family:var(--display);font-size:1.2rem;font-weight:500;letter-spacing:-.01em;color:var(--ink);text-decoration:none}.wordmark img{width:28px;height:28px;border-radius:7px;box-shadow:var(--shadow-soft)}.masthead nav{display:flex;align-items:center;gap:clamp(1rem,2.5vw,1.9rem);font-size:var(--step--1)}.masthead nav a{color:var(--ink-soft);text-decoration:none}.masthead nav a:hover{color:var(--ink)}@media(max-width:40rem){.masthead nav .desk-only{display:none}}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.theme-switch:not([hidden]){display:flex;gap:2px;padding:2px;border:1px solid var(--rule-soft);border-radius:999px;background:var(--panel)}.theme-switch button{display:grid;place-items:center;width:1.75rem;height:1.75rem;padding:0;border:0;border-radius:999px;background:none;color:var(--ink-faint);cursor:pointer;-webkit-tap-highlight-color:transparent}.theme-switch button svg{width:.9375rem;height:.9375rem;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.theme-switch button:hover{color:var(--ink-soft)}.theme-switch button[aria-checked=true]{background:var(--rule-soft);color:var(--ink)}.theme-switch button:focus-visible{outline:2px solid var(--letter);outline-offset:2px}.hero{padding-block:clamp(3rem,7vw,5.5rem) clamp(2.5rem,6vw,4.5rem);text-align:center}.hero h1{font-size:var(--step-5);line-height:1;font-weight:300;letter-spacing:-.03em;max-width:15ch;margin-inline:auto}.hero h1 em{font-style:italic;font-weight:400}.hero .lede{margin:clamp(1.25rem,2.5vw,1.75rem) auto 0;max-width:52ch;font-size:var(--step-1);color:var(--ink-soft);text-wrap:pretty}.hero-meta{margin:1.75rem 0 0;display:flex;flex-direction:column;align-items:center;gap:.9rem}.trial-line{margin:0;font-family:var(--display);font-size:var(--step-1);color:var(--ink)}.trial-line strong{font-weight:600}.cta{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem}.store-badge{display:inline-flex;border-radius:8px;transition:transform .15s ease}.store-badge img{display:block;height:clamp(2.2rem,5.6vw,2.5rem);width:auto}.store-badge:hover{transform:translateY(-1px)}.store-badge.is-pending{opacity:.45;cursor:default}.store-badge.is-pending:hover{transform:none}.cta-pending{flex-basis:100%;margin:0;text-align:center;font-size:var(--step--1);color:var(--ink-faint)}.cta-note{margin:0;font-size:var(--step--1);color:var(--ink-faint)}.showpiece{margin:clamp(2.5rem,6vw,4.5rem) 0 0}.screen{max-width:46rem;margin-inline:auto;background:var(--board);border:1px solid var(--rule);border-radius:16px;padding:clamp(.7rem,2vw,1.1rem);box-shadow:var(--shadow-lift);display:flex;flex-direction:column;gap:clamp(.45rem,1.2vw,.7rem)}.screen-menu{display:flex;align-items:center;height:clamp(1.4rem,3.4vw,1.9rem)}.burger{display:grid;gap:3px;width:1.1rem}.burger i{display:block;height:1.5px;background:var(--ink-faint);border-radius:1px}.screen-strip{display:flex;align-items:center;gap:clamp(.3rem,1vw,.5rem)}.message{flex:1;min-width:0;display:flex;align-items:center;padding:.3em .45em;border-radius:8px;background:color-mix(in srgb,var(--ink) 4%,transparent);font-family:var(--keyface);font-size:clamp(.95rem,3.3vw,1.75rem);font-weight:600;letter-spacing:.005em;line-height:1.3;color:var(--ink);overflow:hidden;white-space:nowrap}.message.is-empty{color:var(--ink-faint);font-weight:400;font-size:clamp(.78rem,2.6vw,1.4rem)}.caret{display:inline-block;width:2px;height:1.05em;margin-left:.06em;background:var(--letter);vertical-align:-.16em;animation:blink 1.06s steps(1,end) infinite}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:0}}.strip-key{display:grid;place-items:center;flex:none;width:clamp(1.81rem,6.27vw,3.33rem);height:clamp(1.81rem,6.27vw,3.33rem);border:1px solid var(--rule-soft);border-radius:8px;color:var(--ink-soft)}.strip-key svg{width:clamp(.9rem,2.6vw,1.35rem);height:auto}.board{display:flex;flex-direction:column;gap:clamp(3px,.85vw,7px)}.board-row{display:grid;gap:clamp(3px,.85vw,7px)}.board-key{position:relative;aspect-ratio:3 / 2;display:grid;place-items:center;font-family:var(--keyface);font-weight:700;color:var(--letter);font-size:clamp(1.05rem,4.3vw,2.3rem);line-height:1;-webkit-user-select:none;user-select:none;transition:color 90ms ease-out,transform 90ms ease-out}.board-key.is-pressed{color:var(--letter-deep);transform:scale(1.11)}.board-key.is-pressed:after{content:"";position:absolute;inset:8%;border-radius:50%;background:radial-gradient(circle,var(--bloom) 0%,transparent 70%);animation:bloom .42s ease-out forwards;pointer-events:none}@keyframes bloom{0%{opacity:.95;transform:scale(.55)}to{opacity:0;transform:scale(1.5)}}.board-key.control{font-size:clamp(.63rem,2.58vw,1.38rem);aspect-ratio:auto}.board-key.mode{grid-column:1;aspect-ratio:3 / 2}.board-key.space{grid-column:2 / 6}.board-key.enter{grid-column:6}.board-key.space:before{content:"";position:absolute;inset:17.5%;border:1px solid var(--space-rule);border-radius:8px}.space-mark{width:min(42%,5rem);height:.55em;border:solid currentColor;border-width:0 2px 2px;border-radius:0 0 2px 2px;color:var(--letter)}.board-key.is-pressed .space-mark{color:var(--letter-deep)}.return-arrow{width:clamp(1.05rem,3.9vw,1.95rem);height:clamp(1.05rem,3.9vw,1.95rem)}.showpiece-foot{max-width:44rem;margin:1rem auto 0;display:flex;flex-direction:column;align-items:center;gap:.55rem;text-align:center;color:var(--ink-faint);font-size:var(--step--1);line-height:1.55;text-wrap:pretty}.replay{border:0;padding:0;background:none;font:inherit;color:var(--ink-soft);cursor:pointer;white-space:nowrap;text-decoration:underline;text-underline-offset:.18em;text-decoration-color:var(--rule);transition:color .15s ease}.replay:hover{color:var(--ink);text-decoration-color:currentColor}.steps{list-style:none;margin:0;padding:0;display:grid;gap:0;counter-reset:step}.steps li{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:clamp(1rem,3vw,2.5rem);padding-block:clamp(1.1rem,2.4vw,1.6rem);border-top:1px solid var(--rule-soft)}.steps li:last-child{border-bottom:1px solid var(--rule-soft)}.steps p{margin:0;color:var(--ink-soft);max-width:56ch}.step-key{display:grid;place-items:center;min-width:5.5rem;padding:.55rem .9rem;border:1px solid var(--rule);border-radius:9px;background:var(--board);font-family:var(--keyface);font-weight:700;font-size:.95rem;color:var(--letter);box-shadow:var(--shadow-soft)}.argument{display:grid;gap:clamp(2rem,5vw,4rem);align-items:start}@media(min-width:52rem){.argument{grid-template-columns:1fr 1fr}}.argument h2{padding-bottom:.9rem;border-bottom:2px solid var(--foam)}.argument-body p{margin:0 0 1.1rem;color:var(--ink-soft);max-width:58ch}.argument-body p:last-child{margin-bottom:0}.argument-body strong{color:var(--ink);font-weight:600}.epigraph-source{margin-top:.75rem;font-family:var(--body);font-size:var(--step--1);font-style:normal;font-weight:500;line-height:1.4;color:var(--ink-soft)}.epigraph-source span{display:block;font-weight:400}.pull{margin:0 0 1.25rem;font-family:var(--display);font-size:var(--step-2);font-style:italic;font-weight:300;line-height:1.35;color:var(--ink);max-width:26ch}.handling{list-style:none;margin:0;padding:0;display:grid;gap:clamp(1.5rem,3vw,2rem)}@media(min-width:46rem){.handling{grid-template-columns:1fr 1fr;gap:clamp(2rem,4vw,3.25rem)}}.handling li{padding-left:1.35rem;border-left:2px solid var(--rule)}.handling h3{font-size:var(--step-1);font-family:var(--body);font-weight:600;letter-spacing:-.005em;margin-bottom:.45rem}.handling p{margin:0;color:var(--ink-soft);font-size:var(--step--1);line-height:1.65}.features{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));column-gap:clamp(1.5rem,3.5vw,3rem)}.features li{padding-block:clamp(1rem,2vw,1.35rem);border-top:1px solid var(--rule-soft)}.features h3{font-family:var(--body);font-size:var(--step-0);font-weight:600;letter-spacing:0;margin-bottom:.3rem}.features p{margin:0;color:var(--ink-soft);font-size:var(--step--1);line-height:1.6}.on-device{display:grid;gap:clamp(1.75rem,4vw,3rem)}@media(min-width:52rem){.on-device{grid-template-columns:1fr 1fr;align-items:center}}.note{margin:1.1rem 0 0;color:var(--ink-soft);max-width:46ch}.note-link{margin:1.4rem 0 0}.ledger{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule-soft)}.ledger li{display:grid;grid-template-columns:1fr auto;gap:1.5rem;align-items:baseline;padding-block:.8rem;border-bottom:1px solid var(--rule-soft);font-size:var(--step--1)}.ledger .what{color:var(--ink)}.ledger .where{color:var(--ink-faint);text-align:right;font-variant-numeric:tabular-nums}.ledger .where.is-off{color:var(--letter)}.pricing-grid{display:grid;gap:clamp(2rem,5vw,4rem);align-items:start}@media(min-width:52rem){.pricing-grid{grid-template-columns:1fr 1fr}}.price-card{background:var(--board);border:1px solid var(--rule);border-radius:14px;padding:clamp(1.6rem,4vw,2.5rem);box-shadow:var(--shadow-soft)}.price-figure{display:flex;align-items:baseline;gap:.5rem;font-family:var(--display);margin:0}.price-figure .amount{font-size:var(--step-5);font-weight:300;line-height:1;letter-spacing:-.035em}.price-figure .per{font-family:var(--body);font-size:var(--step-0);color:var(--ink-soft)}.price-trial{margin:1rem 0 0;padding-bottom:1.4rem;border-bottom:1px solid var(--rule-soft);font-family:var(--display);font-size:var(--step-1)}.price-card ul{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:.85rem}.price-card li{display:grid;grid-template-columns:1.1rem 1fr;gap:.7rem;align-items:start;color:var(--ink-soft);font-size:var(--step--1);line-height:1.6}.price-card li svg{width:1.1rem;height:1.1rem;margin-top:.22rem;color:var(--letter);flex:none}.faq{border-top:1px solid var(--rule-soft);max-width:52rem}.faq details{border-bottom:1px solid var(--rule-soft)}.faq summary{display:flex;align-items:baseline;justify-content:space-between;gap:1.5rem;padding-block:1.1rem;cursor:pointer;list-style:none;font-family:var(--display);font-size:var(--step-1);color:var(--ink)}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:var(--body);font-size:1.25rem;line-height:1;color:var(--ink-faint);flex:none;transition:transform .18s ease}.faq details[open] summary:after{transform:rotate(45deg)}.faq summary:hover{color:var(--letter)}.faq .answer{margin:0;padding-bottom:1.4rem;color:var(--ink-soft);max-width:62ch;font-size:var(--step--1);line-height:1.7}.closing{text-align:center}.closing h2{max-width:18ch;margin-inline:auto}.closing p{margin:1.1rem auto 1.9rem;max-width:46ch;color:var(--ink-soft)}.colophon{padding-block:clamp(2.5rem,5vw,3.5rem);border-top:1px solid var(--rule-soft)}.colophon .wrap{display:flex;flex-wrap:wrap;gap:1.25rem 2.5rem;align-items:baseline;justify-content:space-between;color:var(--ink-faint);font-size:var(--step--1)}.colophon nav{display:flex;flex-wrap:wrap;gap:1.25rem 1.75rem}.colophon a{color:var(--ink-soft);text-decoration:none}.colophon a:hover{color:var(--ink);text-decoration:underline}.colophon .made{font-family:var(--display);font-style:italic;color:var(--ink-soft)}