:root{--bg:#f5f6f8;--surface:#ffffff;--ink:#0e1116;--muted:#4a5160;--muted-2:#5a6170;--line:#dde1e7;--line-strong:#c9ced6;--accent:#2747e8;--accent-ink:#1a33b8;--accent-soft:#eef1fe;--ok:#1d7a4e;--danger:#b42318;--dark:#0e1116;--dark-2:#1a1f28;--dark-line:#343a46;--dark-muted:#b8bfcc;--display:"Space Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--body:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace}*{box-sizing:border-box}body,html{margin:0}body{color:var(--ink);background-color:#f4f4f4;background-image:radial-gradient(#c4c4c4 1.2px,transparent 0);background-size:20px 20px;font:16px/1.5 var(--body);-webkit-font-smoothing:antialiased}a{color:var(--accent)}a:hover{color:var(--accent-ink)}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.wrap{max-width:1120px;margin:0 auto;padding-inline:24px}.sr-only{width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip,.sr-only{position:absolute}.skip{left:-9999px}.skip:focus{left:16px;top:16px;background:var(--surface);padding:8px 12px;z-index:10}.site-header{padding-top:24px;justify-content:space-between}.logo,.site-header{display:flex;align-items:center}.logo{gap:10px;text-decoration:none}.logo,.logo:hover{color:var(--ink)}.logo-mark{display:flex;gap:3px}.logo-mark span{width:22px;height:22px;border-radius:5px;background:var(--accent);color:#fff;font:700 13px var(--display);display:grid;place-items:center}.logo-word{font:700 22px var(--display);letter-spacing:-.02em}main{padding-top:48px;padding-bottom:40px;min-height:70vh}.site-footer{border-top:1px solid var(--line);padding-block:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted-2)}.hero{margin:0;font:700 clamp(34px,5vw,56px)/1.05 var(--display);letter-spacing:-.03em;max-width:720px}.lede{margin:16px 0 0;font-size:18px;color:var(--muted);max-width:620px}.h-sub{margin:4px 0 16px;font:700 28px var(--display);letter-spacing:-.02em}.muted{color:var(--muted-2)}.small{font-size:14px}.tight{margin:0}.strong{color:var(--ink);font-weight:500}.mono{font-family:var(--mono)}.ok{margin:0;display:flex;align-items:center;gap:8px;color:var(--ok);font-weight:600;font-size:15px}.error{margin:0;color:var(--danger);font-size:14px}.panels{display:flex;flex-wrap:wrap;gap:24px;margin-top:40px;align-items:stretch}.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:18px}.card h2{margin:0;font:700 20px var(--display)}.card form{display:flex;flex-direction:column;gap:16px;flex:1 1}.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.send{flex:3 1 420px;min-width:0}.receive{flex:2 1 320px;min-width:0;background:var(--dark);color:#fff;border-color:var(--dark)}.on-dark-muted{margin:0;color:var(--dark-muted)}.receive .on-dark-muted.small{color:#9aa3b2;font-size:13px}textarea{width:100%;min-height:220px;resize:vertical;border:1px solid var(--line-strong);border-radius:10px;padding:16px;font:15px/1.5 var(--mono);color:var(--ink);background:#fafbfc}textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(39,71,232,.2)}.row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.row p{margin:0}.row-wrap{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:10px;font:600 16px var(--body);text-decoration:none;cursor:pointer;border:1px solid transparent}.btn:disabled{opacity:.6;cursor:progress}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-ink);color:#fff}.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}.btn-secondary:hover{border-color:var(--ink);color:var(--ink)}.btn-light{background:#fff;color:var(--ink);margin-top:auto}.btn-lg{min-height:52px;font-size:17px;padding:0 26px}.kbd{font:12px var(--mono);padding:2px 6px;border-radius:4px;background:rgba(255,255,255,.18)}@media (pointer:coarse){.kbd{display:none}}.word-inputs{display:flex;flex-direction:column;gap:10px}.word-input{display:flex;align-items:center;gap:12px}.word-input label{width:32px;height:32px;flex:none;border-radius:8px;background:var(--accent);display:grid;place-items:center;font:700 16px var(--display)}.word-input input{flex:1 1;min-width:0;height:48px;border:1px solid var(--dark-line);border-radius:10px;background:var(--dark-2);color:#fff;padding:0 14px;font:17px var(--mono)}.word-input input:focus{outline:none;border:2px solid #6f8bff;padding:0 13px}.steps{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:24px;gap:24px}.steps li{display:flex;gap:14px;align-items:flex-start}.steps b{font:700 32px/1 var(--display);color:var(--accent)}.steps strong{display:block;font-weight:600}.steps li span{color:var(--muted-2);font-size:15px}.steps li span strong{color:var(--ink);font-size:16px}.words{flex-wrap:wrap}.word,.words{display:flex;gap:12px}.word{flex:1 1 160px;align-items:center;padding:16px 18px;border-radius:12px;background:var(--accent-soft)}.word b{font:700 15px var(--display);color:var(--accent)}.word span{font:700 clamp(28px,4vw,36px)/1.1 var(--display);letter-spacing:-.02em}.facts{margin:0;padding-top:18px;border-top:1px solid #e6e9ee;display:flex;flex-wrap:wrap;gap:28px;font-size:15px}.facts dt{font-size:13px;color:var(--muted-2)}.facts dd{margin:0;overflow-wrap:anywhere}.preview{margin-top:24px;gap:8px;padding:20px 24px}.eyebrow{font:600 13px var(--body)!important;color:var(--muted-2);text-transform:uppercase;letter-spacing:.06em}.content{margin:0;font-size:15px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:50vh;overflow:auto}.boxed{padding:16px;border-radius:10px;background:var(--bg);border:1px solid #e6e9ee}.narrow{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.pill{align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-ink)}.dest{margin:2px 0 0;font:700 clamp(26px,4vw,36px) var(--display);letter-spacing:-.02em;overflow-wrap:anywhere}.error-card p{margin:0}@media (max-width:520px){.wrap{padding-inline:16px}main{padding-top:32px}.card{padding:20px}}