:root{--bg:#e8ebe7;--bg-alt:#dfe4df;--surface:#f5f6f3;--fg:#1b211e;--muted:#56625a;--line:#cdd5cf;--accent:#1f7556;--accent-fg:#fff;--mint:#a5dcc3;--mint-ink:#173a2e;--amber:#9a6219;--danger:#b42318;--stage-top:#f3f5f1;--stage-bottom:#d0d8d2;--tip-bg:#1b211e;--tip-fg:#eef3ef;--cap:#f2efe7;--cap-ink:#1d2722;--cap-dark:#2c3230;--cap-dark-ink:#e8efe9;--plate:#323a37;--plate-ink:#cfe6da;--oled-bg:#030406;--oled-yellow:#ffd64a;--oled-blue:#5cc4ff;--shadow:0 1px 0 #fff9 inset, 0 10px 30px #1b211e14;--radius:14px;--gutter:16px;--display:var(--font-display), "Arial Narrow", system-ui, sans-serif;--text:var(--font-body), system-ui, -apple-system, "Segoe UI", sans-serif;--code:var(--font-mono), ui-monospace, "SF Mono", Menlo, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0f1311;--bg-alt:#131916;--surface:#171d1a;--fg:#e5ebe7;--muted:#95a39b;--line:#29322d;--accent:#7fd1b0;--accent-fg:#0b1a14;--mint:#8fcdb2;--mint-ink:#0f2a20;--amber:#e3b267;--danger:#ff8a7a;--stage-top:#1c231f;--stage-bottom:#0b0e0c;--tip-bg:#e9efe9;--tip-fg:#141815;--shadow:0 10px 30px #00000059;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0f1311;--bg-alt:#131916;--surface:#171d1a;--fg:#e5ebe7;--muted:#95a39b;--line:#29322d;--accent:#7fd1b0;--accent-fg:#0b1a14;--mint:#8fcdb2;--mint-ink:#0f2a20;--amber:#e3b267;--danger:#ff8a7a;--stage-top:#1c231f;--stage-bottom:#0b0e0c;--tip-bg:#e9efe9;--tip-fg:#141815;--shadow:0 10px 30px #00000059;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}@media (min-width:720px){:root{--gutter:32px}}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:72px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}html,body{background:var(--bg);color:var(--fg)}body{font-family:var(--text);margin:0;font-size:17px;line-height:1.6;overflow-x:hidden}img,svg,canvas{max-width:100%}a{color:inherit}p{margin:0}h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.05}h2{letter-spacing:-.005em;font-size:clamp(2rem,4.6vw,3.2rem);font-weight:700}h3{letter-spacing:.005em;font-size:1.35rem;font-weight:600}code{font-family:var(--code);font-size:.86em}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.wrap{width:100%;max-width:1200px;padding-inline:var(--gutter);margin:0 auto}.prose{max-width:62ch}.lede{color:var(--muted);font-size:1.15rem}.muted{color:var(--muted)}.eyebrow{font:600 .8rem/1 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}.amber{color:var(--amber)}.nav{z-index:20;background:color-mix(in srgb, var(--bg) 82%, transparent);-webkit-backdrop-filter:saturate(1.4)blur(12px);border-bottom:1px solid color-mix(in srgb, var(--line) 70%, transparent);position:sticky;top:0}.nav .wrap{align-items:center;gap:24px;height:60px;display:flex}.brand{font:700 1.45rem/1 var(--display);letter-spacing:.02em;align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand-mark{background:var(--fg);border-radius:6px;flex:none;width:22px;height:22px;position:relative}.brand-mark:after{content:"";background:var(--mint);border-radius:3px;position:absolute;inset:6px}.nav-links{align-items:center;gap:22px;margin-left:auto;display:flex}.nav-links a{font:600 .92rem/1 var(--display);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);text-decoration:none}.nav-links a:hover{color:var(--fg)}@media (max-width:760px){.nav-links a:not(.btn){display:none}}.btn{font:600 .95rem/1 var(--display);letter-spacing:.08em;text-transform:uppercase;color:var(--fg);background:var(--surface);border:1px solid var(--line);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 16px;text-decoration:none;transition:background-color .15s,border-color .15s,transform 80ms;display:inline-flex}.btn:hover{border-color:color-mix(in srgb, var(--fg) 30%, var(--line))}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn-primary:hover{background:color-mix(in srgb, var(--fg) 88%, var(--accent))}.btn-accent{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}.nav .btn{color:var(--bg);padding:9px 13px;font-size:.85rem}.btn[aria-pressed=true]{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn:disabled{opacity:.55;cursor:default}.hero{padding-block:56px 28px}.hero-grid{gap:28px;display:grid}.hero h1{letter-spacing:-.02em;font-size:clamp(4.2rem,13vw,9.5rem);font-weight:700;line-height:.88}.hero h1 .dot{color:var(--accent)}.hero-tag{font:600 clamp(1.5rem, 3.4vw, 2.3rem)/1.1 var(--display);letter-spacing:.005em;margin-top:14px}.hero-copy{align-content:end;gap:22px;display:grid}.hero-actions{flex-wrap:wrap;gap:10px;display:flex}.hero-facts{color:var(--muted);font:500 .95rem var(--display);letter-spacing:.06em;text-transform:uppercase;flex-wrap:wrap;gap:8px 20px;display:flex}.hero-facts span{align-items:center;gap:8px;display:inline-flex}.hero-facts span:before{content:"";background:var(--mint);border-radius:50%;width:6px;height:6px}@media (min-width:960px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:end}}.model{gap:12px;padding-bottom:40px;display:grid}.toolbar{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.toolbar .spacer{flex:1}.seg{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:3px;display:inline-flex}.seg button{font:600 .85rem/1 var(--display);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:9px 13px}.seg button[aria-pressed=true]{background:var(--fg);color:var(--bg)}.ctl{font:600 .82rem var(--display);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);align-items:center;gap:10px;display:inline-flex}.ctl input[type=range]{accent-color:var(--accent);width:130px}.toolbar .btn{padding:10px 12px;font-size:.82rem}.stage{aspect-ratio:16/9;border:1px solid var(--line);background:radial-gradient(120% 90% at 50% 15%, var(--stage-top), var(--stage-bottom));touch-action:none;border-radius:18px;width:100%;min-height:340px;max-height:78vh;position:relative;overflow:hidden}@media (max-width:700px){.stage{aspect-ratio:4/5}}.stage canvas{width:100%;height:100%;display:block}.stage-loading,.fallback{text-align:center;color:var(--muted);font:600 .9rem var(--display);letter-spacing:.1em;text-transform:uppercase;place-items:center;padding:24px;display:grid;position:absolute;inset:0}.tip{pointer-events:none;background:var(--tip-bg);max-width:min(320px,80%);color:var(--tip-fg);font:500 13px/1.4 var(--text);border-radius:8px;padding:8px 10px;position:absolute;transform:translate(12px,12px);box-shadow:0 6px 20px #00000040}.tip b{font-family:var(--display);letter-spacing:.04em;font-weight:700;display:block}.hint{color:var(--muted);font-size:.92rem}.section{border-top:1px solid var(--line);padding-block:88px}.section.alt{background:var(--bg-alt)}.section-head{gap:14px;margin-bottom:40px;display:grid}.grid{gap:16px;display:grid}@media (min-width:760px){.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1000px){.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (min-width:640px) and (max-width:999px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);align-content:start;gap:10px;min-width:0;padding:22px;display:grid}.card p{color:var(--muted)}.card .eyebrow{margin-bottom:2px}.split{align-items:center;gap:40px;display:grid}@media (min-width:960px){.split{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px}.split.flip>:first-child{order:2}}.list{gap:14px;margin:0;padding:0;list-style:none;display:grid}.list li{border-top:1px solid var(--line);padding-top:12px}.list li strong{font:600 1.15rem/1.25 var(--display);letter-spacing:.01em;margin-bottom:2px;display:block}.list li span{color:var(--muted)}.keyrow{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;display:grid}.keyrow.black{grid-template-columns:repeat(5,minmax(0,1fr));width:71.4286%;margin-left:7.14286%}.cap{aspect-ratio:1;text-align:center;font:700 clamp(.9rem, 2.2vw, 1.25rem)/1 var(--display);background:var(--cap);color:var(--cap-ink);border:1px solid #00000014;border-radius:9px;place-items:center;display:grid;box-shadow:0 2px #0000001f,inset 0 -3px #0000000f}.cap small{font:500 .68em/1.2 var(--text);color:color-mix(in srgb, var(--cap-ink) 65%, transparent);margin-top:3px;display:block}.cap.mint{background:var(--mint);color:var(--mint-ink)}.cap.mint small{color:color-mix(in srgb, var(--mint-ink) 70%, transparent)}.keys-figure{background:var(--plate);border-radius:18px;gap:8px;padding:22px;display:grid}.keys-figure figcaption{color:var(--plate-ink);font:600 .78rem var(--display);letter-spacing:.14em;text-transform:uppercase;opacity:.8;margin-top:8px}.panel{background:var(--plate);color:var(--plate-ink);box-shadow:var(--shadow);background-image:repeating-linear-gradient(0deg,#ffffff05 0 1px,#0000 1px 3px);border-radius:22px;grid-template-areas:"oled""keys""controls""foot";gap:18px;padding:clamp(16px,3vw,28px);display:grid;position:relative}.panel-top{display:contents}.oled{grid-area:oled}.controls{grid-area:controls}.panel-keys{grid-area:keys}.panel-foot{grid-area:foot}@media (min-width:860px){.panel{grid-template-columns:minmax(260px,340px) minmax(0,1fr);grid-template-areas:"oled controls""keys keys""foot foot"}}.oled{background:var(--oled-bg);font-family:var(--code);border:2px solid #1b1f1e;border-radius:8px;align-content:space-between;gap:6px;min-height:150px;padding:12px 14px;display:grid;box-shadow:inset 0 0 0 1px #ffffff0d}.oled-row{justify-content:space-between;gap:10px;font-size:.82rem;font-weight:700;display:flex}.oled-yellow{color:var(--oled-yellow)}.oled-blue{color:var(--oled-blue)}.oled-chord{color:var(--oled-blue);overflow-wrap:anywhere;font-size:clamp(1.7rem,4vw,2.2rem);font-weight:800;line-height:1.05}.oled-notes{color:var(--oled-blue);font-size:.85rem;font-weight:700}.controls{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));align-content:start;gap:10px;display:grid}.control{gap:6px;display:grid}.control label,.control .label{font:600 .72rem var(--display);letter-spacing:.14em;text-transform:uppercase;color:color-mix(in srgb, var(--plate-ink) 75%, transparent)}.control select,.control input[type=range]{width:100%}.control select{font:600 .95rem var(--display);letter-spacing:.04em;color:var(--plate-ink);appearance:none;background-color:#262d2a;background-image:linear-gradient(45deg,#0000 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,#0000 50%);background-position:calc(100% - 15px) 52%,calc(100% - 10px) 52%;background-repeat:no-repeat;background-size:5px 5px;background-attachment:scroll;background-origin:padding-box;background-clip:border-box;border:1px solid #45504b;border-radius:8px;padding:8px 10px}.control input[type=range]{accent-color:var(--mint)}.panel-keys{gap:clamp(6px,1.2vw,12px);display:grid}.keygrid{grid-template-columns:repeat(18,minmax(0,1fr));column-gap:clamp(3px,.8vw,8px);display:grid}.keygrid .pk{grid-column:var(--col) / span 2}@media (max-width:640px){.panel-keys{grid-template-columns:repeat(14,minmax(0,1fr));gap:8px 4px}.keygrid{display:contents}.keygrid .pk{grid-column:var(--mcol) / span var(--mspan);grid-row:var(--mrow);aspect-ratio:.78;font-size:1rem}.keygrid .pk.fn{aspect-ratio:auto;height:48px;font-size:.9rem}.keygrid .pk:not(.fn) small{display:none}}.pk{aspect-ratio:1;cursor:pointer;touch-action:none;-webkit-user-select:none;user-select:none;font:700 clamp(.8rem, 2.4vw, 1.3rem)/1 var(--display);color:var(--cap-ink);background:var(--cap);border:0;border-radius:10px;align-content:center;place-items:center;gap:2px;padding:4px;transition:transform 50ms,box-shadow 50ms,filter .15s;display:grid;position:relative;box-shadow:0 4px #0e1211,0 5px 10px #00000059}.pk small{font:500 clamp(.58rem, 1.4vw, .75rem)/1.1 var(--text);opacity:.7;text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.pk.mint{background:var(--mint);color:var(--mint-ink)}.pk.dark{background:var(--cap-dark);color:var(--cap-dark-ink)}.pk.dark.amberkey{color:#e3b267}.pk[data-on=true]{box-shadow:0 1px 0 #0e1211, 0 0 0 2px var(--mint), 0 0 22px color-mix(in srgb, var(--mint) 55%, transparent);filter:brightness(1.06);transform:translateY(3px)}.pk.dark[data-on=true]{box-shadow:0 1px #0e1211,0 0 0 2px #e3b267,0 0 22px #e3b26773}.pk:focus-visible{outline:2px solid var(--oled-yellow);outline-offset:2px}.panel-foot{color:color-mix(in srgb, var(--plate-ink) 75%, transparent);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 18px;font-size:.85rem;display:flex}@media (hover:none){.kbd-hint{display:none}}.kbd{font-family:var(--code);border:1px solid #4b5752;border-bottom-width:2px;border-radius:4px;padding:0 5px;font-size:.78rem}.diagram{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;overflow-x:auto}.diagram svg{width:100%;min-width:640px;height:auto;display:block}.diagram text{font-family:var(--display)}.specs{border-collapse:collapse;width:100%;font-size:.98rem}.specs th,.specs td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:11px 0}.specs th{font:600 .8rem var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);width:34%;padding-right:16px}.specs tr:last-child th,.specs tr:last-child td{border-bottom:0}.timeline{gap:0;margin:0;padding:0;list-style:none;display:grid}.timeline li{grid-template-columns:28px minmax(0,1fr);gap:14px;padding-bottom:22px;display:grid;position:relative}.timeline li:before{content:"";background:var(--line);width:2px;position:absolute;top:22px;bottom:0;left:13px}.timeline li:last-child:before{content:none}.timeline .mark{border:2px solid var(--line);background:var(--bg);border-radius:50%;place-items:center;width:28px;height:28px;font-size:14px;display:grid}.timeline .done .mark{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.timeline .now .mark{border-color:var(--amber);box-shadow:0 0 0 4px color-mix(in srgb, var(--amber) 20%, transparent)}.timeline strong{font:600 1.12rem/1.3 var(--display);display:block}.timeline span{color:var(--muted)}.section.alt .timeline .mark{background:var(--bg-alt)}.section.alt .timeline .done .mark{background:var(--accent)}.signup{gap:40px;display:grid}@media (min-width:960px){.signup{grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px}}.form{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;gap:18px;padding:clamp(20px,3vw,32px);display:grid}.field{gap:6px;display:grid}.field label,.field legend{font:600 .8rem var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:0}.field input[type=email],.field input[type=text],.field textarea{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:10px;width:100%;padding:12px 14px;font-size:1rem}.field textarea{resize:vertical;min-height:96px}.field input:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:#0000}fieldset.field{border:0;margin:0;padding:0}.chips{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.chip input{opacity:0;pointer-events:none;position:absolute}.chip span{border:1px solid var(--line);cursor:pointer;background:var(--bg);border-radius:999px;padding:9px 13px;font-size:.95rem;display:inline-block}.chip input:checked+span{background:var(--fg);color:var(--bg);border-color:var(--fg)}.chip input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}.consent{color:var(--muted);grid-template-columns:22px minmax(0,1fr);align-items:start;gap:10px;font-size:.95rem;display:grid}.consent input{width:18px;height:18px;accent-color:var(--accent);margin-top:3px}.hp{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.form-error{color:var(--danger);font-weight:500}.form-done{text-align:left;gap:10px;display:grid}.form-done h3{font-size:1.8rem}.optional{text-transform:none;letter-spacing:0;font-family:var(--text);font-weight:400}.faq{border-top:1px solid var(--line);gap:0;display:grid}.faq details{border-bottom:1px solid var(--line);padding:16px 0}.faq summary{cursor:pointer;font:600 1.2rem/1.3 var(--display);justify-content:space-between;gap:16px;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:var(--code);color:var(--muted)}.faq details[open] summary:after{content:"–"}.faq details p{color:var(--muted);max-width:70ch;margin-top:8px}.footer{border-top:1px solid var(--line);color:var(--muted);padding-block:32px 48px;font-size:.92rem}.footer .wrap{flex-wrap:wrap;justify-content:space-between;gap:12px 24px;display:flex}.footer a{color:var(--muted)}.page{padding-block:64px 96px}.page h1{margin-bottom:24px;font-size:clamp(2.4rem,6vw,3.6rem)}.page h2{margin:32px 0 8px;font-size:1.5rem}.page p,.page li{color:var(--muted);max-width:68ch}.page p+p{margin-top:12px}