:root{color-scheme:light dark;--accent:#0b84f3;--bg:#f7fafc;--card:#fff;--sunken:#edf2f6;--text:#0b1014;--muted:#6b7a87;--goal:#12a150;--line:#e2e9ef;--radius:18px;--maxw:62rem}
@media (prefers-color-scheme:dark){:root{--accent:#4da6ff;--bg:#0b1014;--card:#151c22;--sunken:#0f171d;--text:#f2f6f9;--muted:#8a98a6;--goal:#3ddc84;--line:#232c34}}
*{box-sizing:border-box}
body{margin:0;font:17px/1.65 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
.narrow{max-width:44rem}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
header.site{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:.75rem;height:60px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;color:var(--text)}
.brand:hover{text-decoration:none}
.brand svg{width:26px;height:26px;display:block}
nav.top{margin-left:auto;display:flex;align-items:center;gap:1.25rem;font-size:.95rem}
nav.top a{color:var(--muted)}
nav.top a:hover{color:var(--text);text-decoration:none}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--card)}
.lang button{border:0;background:transparent;cursor:pointer;font:inherit;font-size:.82rem;font-weight:600;padding:.28rem .7rem;color:var(--muted)}
.lang button[aria-pressed="true"]{background:var(--accent);color:#fff}
.hero{padding:4.5rem 0 3rem;text-align:center}
.hero .icon{width:96px;height:96px;border-radius:22px;margin:0 auto 1.5rem;display:block;box-shadow:0 12px 32px rgba(11,132,243,.28)}
.hero h1{font-size:clamp(2.2rem,6vw,3.4rem);line-height:1.1;margin:0 0 .6rem;letter-spacing:-.02em}
.hero p.tagline{font-size:1.2rem;color:var(--muted);margin:0 auto 2rem;max-width:34rem}
.badges{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:.5rem;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:.55rem 1.1rem;font-size:.92rem;color:var(--muted)}
.badge strong{color:var(--text);font-variant-numeric:tabular-nums}
.claim{margin:3.5rem auto;padding:2rem 1.75rem;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);text-align:center}
.claim p{margin:0;font-size:1.32rem;line-height:1.5;font-weight:600;letter-spacing:-.01em}
.claim p span{color:var(--accent)}
section{padding:2.5rem 0}
h2{font-size:1.7rem;letter-spacing:-.015em;margin:0 0 1.2rem}
h3{font-size:1.08rem;margin:0 0 .4rem}
.grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem}
.card .ico{width:40px;height:40px;border-radius:11px;margin-bottom:.9rem;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 15%,transparent);font-size:1.15rem}
.card p{margin:0;color:var(--muted);font-size:.96rem}
.note{border-left:3px solid var(--accent);background:var(--sunken);padding:1rem 1.2rem;border-radius:0 12px 12px 0;color:var(--muted);font-size:.95rem}
.note strong{color:var(--text)}
.doc h1{font-size:2.1rem;letter-spacing:-.02em;margin:0 0 .3rem}
.doc .updated{color:var(--muted);font-size:.9rem;margin:0 0 2.5rem}
.doc h2{font-size:1.25rem;margin:2.4rem 0 .7rem}
.doc h3{font-size:1.02rem;margin:1.6rem 0 .4rem}
.doc p,.doc li{color:var(--muted)}
.doc strong{color:var(--text)}
.doc ul{padding-left:1.15rem}
.doc li{margin:.4rem 0}
.doc code{background:var(--sunken);padding:.1rem .35rem;border-radius:5px;font-size:.9em}
table.plain{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}
table.plain th,table.plain td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}
table.plain th{color:var(--text);font-weight:600}
table.plain td{color:var(--muted)}
footer.site{border-top:1px solid var(--line);margin-top:4rem;padding:2.5rem 0 3.5rem;color:var(--muted);font-size:.92rem}
footer.site .row{display:flex;gap:1.5rem;flex-wrap:wrap;align-items:center}
footer.site .row+.row{margin-top:1rem}
footer.site .spacer{flex:1 1 auto}
[data-lang]{display:none}
html[lang="pl"] [data-lang="pl"],html[lang="en"] [data-lang="en"]{display:block}
html[lang="pl"] span[data-lang="pl"],html[lang="en"] span[data-lang="en"]{display:inline}
html[lang="pl"] li[data-lang="pl"],html[lang="en"] li[data-lang="en"]{display:list-item}
@media (max-width:640px){.hero{padding:3rem 0 2rem}nav.top{gap:.9rem;font-size:.88rem}nav.top a.hide-sm{display:none}}