:root{color-scheme:light dark;--bg:#f3f7f4;--card:#fff;--fg:#14201a;--muted:#52645a;--line:#d3dfd7;--accent:#167a45;--accent-fg:#fff;--note:#e8f4ec;--band:#e4efe8;--hdr:#0a1a11;--hdr-fg:#eef2ea;--hdr-line:#1f9d55}
@media (prefers-color-scheme:dark){:root{--bg:#0b130e;--card:#111b15;--fg:#e8f0ea;--muted:#95a89c;--line:#223229;--accent:#3ddc84;--accent-fg:#07150d;--note:#10241a;--band:#0e1a13;--hdr:#06100a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
.topnav{max-width:980px;margin:0 auto;padding:0 20px 8px;text-align:right}
.login{display:inline-block;padding:7px 18px;border:2px solid #3ddc84;border-radius:8px;color:#3ddc84;font-weight:700;text-decoration:none}
.login:hover{background:rgba(61,220,132,.14)}
.hero{background:var(--hdr);color:var(--hdr-fg);border-bottom:4px solid var(--hdr-line);padding:16px 0 44px;text-align:center}
.powered{margin:0 0 6px;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:#a9c4b3}
.logo{display:inline-block;line-height:0}.logo img{display:block;max-width:100%;height:auto;image-rendering:pixelated}
.hero h1{margin:26px 0 4px;font-size:clamp(2.4rem,7vw,3.8rem);letter-spacing:.12em}
.fullname{margin:0 0 14px;color:#a9c4b3;font-size:1rem;letter-spacing:.06em}
.lead{max-width:640px;margin:0 auto 22px;font-size:1.2rem;color:#cfe3d6}
.btn{display:inline-block;margin:4px 6px;padding:11px 24px;border-radius:9px;border:2px solid #3ddc84;background:#3ddc84;color:#07150d;font-weight:700;text-decoration:none}
.btn:hover{background:#7df5b0;border-color:#7df5b0}
.btn.ghost{background:none;color:#3ddc84}.btn.ghost:hover{background:rgba(61,220,132,.12)}
.btn.big{font-size:1.15rem;padding:14px 34px;background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}
.btn.big:hover{filter:brightness(1.1);background:var(--accent)}
a:focus-visible{outline:3px solid #3ddc84;outline-offset:3px}
main section{padding-top:44px;padding-bottom:44px}
main section.wrap{padding:44px 20px}
.band{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{margin:0 0 10px;font-size:1.8rem}
h3{margin:.3em 0 .3em;font-size:1.2rem}
.intro{max-width:760px;color:var(--muted);font-size:1.05rem}
.grid{display:grid;gap:14px;margin:22px 0}.grid.three{grid-template-columns:repeat(3,1fr)}
@media (max-width:820px){.grid.three{grid-template-columns:1fr}}
article{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
article p{margin:0;color:var(--muted)}
.n{display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--accent-fg);align-items:center;justify-content:center;font-weight:700}
.way{border-top:4px solid var(--accent)}
.tag{display:inline-block;padding:1px 10px;border-radius:99px;background:var(--note);color:var(--accent);font-size:.8rem;font-weight:700}
.time{margin-top:10px!important;font-size:.9rem;font-weight:600;color:var(--fg)!important}
.note{border-left:4px solid var(--accent);background:var(--note);padding:12px 16px;border-radius:0 8px 8px 0}
.cta{text-align:center;margin:26px 0 0}
.ticks{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px}
.ticks li{padding-left:30px;position:relative}.ticks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:700}
.foot{border-top:1px solid var(--line);padding:24px 0 34px;color:var(--muted);font-size:.95rem;text-align:center}
.foot p{margin:4px 0}

/* ---- navigation, FAQ and the static guide ---- */
.topnav{display:flex;justify-content:flex-end;align-items:center;gap:16px}
.navlink{color:#cfe3d6;text-decoration:none;font-weight:600}.navlink:hover{text-decoration:underline}
details.qa{border-bottom:1px solid var(--line);padding:2px 0;max-width:820px}
details.qa>summary{cursor:pointer;padding:12px 0;font-weight:700;font-size:1.05rem}
details.qa p{margin:0 0 14px;color:var(--muted)}
.hero.compact{padding:12px 0 26px;text-align:left}.hero.compact .wrap{max-width:980px}
.hero.compact h1{margin:10px 0 4px;font-size:2.2rem;letter-spacing:.06em}
.hero.compact .lead{margin:0 0 14px;max-width:none}
.crumbs{margin:12px 0 0;color:#a9c4b3;font-size:.9rem}.crumbs a{color:#cfe3d6}
.docgrid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px;padding-top:26px;padding-bottom:30px;align-items:start}
@media (max-width:820px){.docgrid{grid-template-columns:1fr}}
.doctoc{position:sticky;top:10px;font-size:.93rem;max-height:92vh;overflow:auto}
.doctoc ul{list-style:none;margin:0 0 6px;padding:0}.doctoc li{margin:3px 0}.doctoc a{text-decoration:none}.doctoc a:hover{text-decoration:underline}
.tochead{margin:14px 0 4px;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700}
.doc section{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 22px 14px;margin:0 0 16px}
.doc h2{font-size:1.5rem;margin:.8em 0 .4em}.doc h3{font-size:1.15rem;margin:1.2em 0 .3em}.doc h4{font-size:1.02rem;margin:1.1em 0 .2em}
.doc p,.doc li{color:var(--fg)}.doc ol,.doc ul{padding-left:1.3em}
.doc pre{background:var(--band);border:1px solid var(--line);border-radius:8px;padding:12px;overflow-x:auto;font:.88rem/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.doc code{background:var(--band);padding:1px 5px;border-radius:4px;font:.9em ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.doc pre code{background:none;padding:0}
.doc .tablewrap{overflow-x:auto}.doc table{border-collapse:collapse;width:100%;font-size:.95rem}.doc th,.doc td{text-align:left;padding:7px 9px;border-bottom:1px solid var(--line);vertical-align:top}
.doc .callout{border-left:4px solid var(--accent);background:var(--note);padding:8px 14px;border-radius:0 8px 8px 0}
.doc .label{color:var(--muted);font-size:.88rem;margin-top:0}
.doc dt{font-weight:700;margin-top:10px}.doc dd{margin:0 0 4px;color:var(--muted)}