:root{--ground:#F6F7F9;--surface:#FFFFFF;--surface2:#EDF0F5;--text:#141B26;--muted:#5B6878;--faint:#8A97A6;--line:#DCE2EA;--accent:#3557A8;--accent-ink:#fff;--accent-soft:#E7EDF9;--accent-line:#B9CBEC;--shadow:0 1px 2px rgba(20,27,38,.06),0 8px 24px -12px rgba(20,27,38,.18);color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ground:#0E131A;--surface:#161D27;--surface2:#1C2531;--text:#E3E9F1;--muted:#94A2B4;--faint:#6E7C8E;--line:#2A3441;--accent:#82A3EA;--accent-ink:#0E131A;--accent-soft:#1B2740;--accent-line:#33456A;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);color-scheme:dark}}
:root[data-theme="dark"]{--ground:#0E131A;--surface:#161D27;--surface2:#1C2531;--text:#E3E9F1;--muted:#94A2B4;--faint:#6E7C8E;--line:#2A3441;--accent:#82A3EA;--accent-ink:#0E131A;--accent-soft:#1B2740;--accent-line:#33456A;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--text);font-family:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;font-size:15px;line-height:1.62;-webkit-font-smoothing:antialiased}
.wrap{max-width:70ch;margin:0 auto;padding:22px 18px 64px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:28px}
.brand{display:flex;align-items:center;gap:9px;font-family:Archivo,sans-serif;font-weight:700;font-size:15px;text-decoration:none;color:var(--text)}
.logo{width:22px;height:22px;border-radius:6px;background:var(--accent);flex:none;position:relative}
.logo::after{content:"";position:absolute;left:6px;right:6px;top:5px;height:2.5px;border-radius:2px;background:#fff}
.logo::before{content:"";position:absolute;left:10px;top:10px;width:2.5px;height:7px;background:#fff;box-shadow:-3px -1px 0 0 #fff,3px -1px 0 0 #fff;border-radius:1px}
.theme{background:var(--surface2);border:1px solid var(--line);border-radius:7px;width:33px;height:31px;display:grid;place-items:center;cursor:pointer;color:var(--muted);padding:0;flex:none}
.theme:hover{color:var(--accent);border-color:var(--accent-line)}
.theme:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.theme svg{width:15px;height:15px;display:none}
:root[data-theme="light"] .theme .ic-moon{display:block}
:root[data-theme="dark"] .theme .ic-sun{display:block}
.tools{display:flex;align-items:center;gap:8px}
.crumb{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
h1{font-family:Archivo,sans-serif;font-weight:700;font-size:30px;letter-spacing:-.022em;margin:0 0 14px;text-wrap:balance;line-height:1.2}
h2{font-family:Archivo,sans-serif;font-weight:700;font-size:20px;letter-spacing:-.015em;margin:32px 0 10px}
h3{font-family:Archivo,sans-serif;font-weight:600;font-size:16px;margin:22px 0 6px}
p{margin:0 0 14px;color:var(--muted)}
p.lead{font-size:17px;color:var(--text)}
strong{color:var(--text);font-weight:600}
ul{color:var(--muted);padding-left:20px;margin:0 0 14px}
li{margin-bottom:7px}
a{color:var(--accent)}
.cta{display:block;background:var(--accent-soft);border:1.5px solid var(--accent-line);border-radius:11px;padding:20px 22px;margin:28px 0;text-decoration:none;color:inherit;transition:border-color .15s,background .15s}
.cta:hover{border-color:var(--accent);background:var(--surface)}
.cta .t{font-family:Archivo,sans-serif;font-weight:700;font-size:18px;color:var(--accent);margin-bottom:5px}
.cta .d{font-size:14px;color:var(--muted)}
.foot{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--faint);display:flex;flex-wrap:wrap;gap:8px 16px}
.foot a{color:var(--faint)}
@media(max-width:640px){h1{font-size:25px}}