@font-face{font-family:"Inter Tight";font-weight:400;font-display:swap;src:url(inter-tight-400.woff2) format("woff2")}
@font-face{font-family:"Inter Tight";font-weight:500;font-display:swap;src:url(inter-tight-500.woff2) format("woff2")}
@font-face{font-family:"Inter Tight";font-weight:600;font-display:swap;src:url(inter-tight-600.woff2) format("woff2")}
@font-face{font-family:"Inter Tight";font-weight:700;font-display:swap;src:url(inter-tight-700.woff2) format("woff2")}

:root{--bg:#0a1020;--panel:#0b1224;--panel-2:#111a30;--line:#22304d;--text:#e8ecf3;--muted:#8a97ae;--teal:#2dd4bf;--teal-ink:#0b3b36;--warn:#f59e0b;--max:1120px;color-scheme:dark}
:root[data-theme=light]{--bg:#f6f7f9;--panel:#fff;--panel-2:#eef1f5;--line:#d9dee7;--text:#0a1020;--muted:#55627a;--teal:#0f8f80;--teal-ink:#e3f6f3;--warn:#b45309;color-scheme:light}
@media (prefers-color-scheme:light){:root:not([data-theme=dark]){--bg:#f6f7f9;--panel:#fff;--panel-2:#eef1f5;--line:#d9dee7;--text:#0a1020;--muted:#55627a;--teal:#0f8f80;--teal-ink:#e3f6f3;--warn:#b45309;color-scheme:light}}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 "Inter Tight",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.ic{width:22px;height:22px;fill:none;stroke:var(--teal);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ic.big{width:44px;height:44px}

.devbar{background:var(--panel-2);border-bottom:1px solid var(--line);color:var(--muted);font-size:13px;text-align:center;padding:7px 16px}
.devbar a{color:var(--teal);margin-left:6px}
header.top{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:600}
.brand img{height:26px;display:block}
.brand span{color:var(--muted);border-left:1px solid var(--line);padding-left:12px}
.hsearch{flex:1;max-width:340px;margin-left:auto}
.hsearch input,.bigsearch input{width:100%;font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px 12px;outline:none;transition:border-color .15s}
.hsearch input:focus,.bigsearch input:focus{border-color:var(--teal)}
header nav{display:flex;gap:18px;font-size:15px}
header nav a{text-decoration:none;color:var(--muted)}
header nav a:hover{color:var(--text)}
#theme{background:none;border:1px solid var(--line);border-radius:10px;width:36px;height:36px;display:grid;place-items:center;cursor:pointer}
#theme svg{width:18px;height:18px;fill:none;stroke:var(--text);stroke-width:1.8}

main{padding:28px 24px 72px;min-height:60vh}
h1{font-size:40px;line-height:1.15;letter-spacing:-.02em;margin:8px 0 10px}
h2{font-size:24px;margin:36px 0 10px;letter-spacing:-.01em;scroll-margin-top:84px}
h3{font-size:19px;margin:26px 0 8px;scroll-margin-top:84px}
.lead{color:var(--muted);font-size:19px;margin:0 0 20px}
code{font:14px ui-monospace,Menlo,monospace;background:var(--panel-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
pre{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow:auto}
pre code{border:0;background:none;padding:0}
.crumbs{font-size:14px;color:var(--muted);display:flex;gap:8px}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--teal)}

.hero{text-align:center;padding:48px 0 28px}
.hero h1{font-size:52px}
.hero p{color:var(--muted);font-size:19px;margin:0 auto 26px;max-width:620px}
.bigsearch{position:relative;max-width:640px;margin:0 auto 18px}
.bigsearch .ic{position:absolute;left:16px;top:50%;transform:translateY(-50%);stroke:var(--muted)}
.bigsearch input{padding:15px 16px 15px 48px;font-size:18px;border-radius:14px}
main > h1 + .bigsearch{margin:16px 0 22px;max-width:none}
.popular{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;font-size:14px;align-items:center}
.popular b{color:var(--muted);font-weight:500;margin-right:4px}
.popular a{text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:5px 12px;transition:border-color .15s,color .15s}
.popular a:hover{border-color:var(--teal);color:var(--teal)}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.card{display:flex;flex-direction:column;gap:6px;text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;transition:border-color .18s,transform .18s;opacity:0;animation:rise .4s ease forwards}
.card:hover{border-color:var(--teal);transform:translateY(-2px)}
.card b{font-size:18px;margin-top:8px}
.card span{color:var(--muted);font-size:15px;flex:1}
.card em{font-style:normal;font-size:13px;color:var(--teal)}
.card:nth-child(2){animation-delay:.04s}.card:nth-child(3){animation-delay:.08s}.card:nth-child(4){animation-delay:.12s}.card:nth-child(5){animation-delay:.16s}.card:nth-child(6){animation-delay:.2s}.card:nth-child(7){animation-delay:.24s}.card:nth-child(8){animation-delay:.28s}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.card{animation:none;opacity:1}*{transition:none!important;scroll-behavior:auto!important}}

.contact{margin-top:42px;display:flex;justify-content:space-between;align-items:center;gap:20px;border:1px solid var(--line);border-radius:14px;padding:24px 26px;background:var(--panel)}
.contact h2{margin:0 0 4px}.contact p{margin:0;color:var(--muted)}
.btn{background:var(--teal);color:var(--bg);text-decoration:none;font-weight:600;border-radius:10px;padding:11px 18px;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}

.cathead{display:flex;gap:18px;align-items:center;margin:14px 0 22px}
.cathead h1{margin:0}.cathead .lead{margin:4px 0 0}
.list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel)}
.list:empty{display:none}
.row{display:flex;flex-direction:column;gap:2px;padding:15px 20px;text-decoration:none;border-top:1px solid var(--line);transition:background .15s}
.row:first-child{border-top:0}
.row:hover{background:var(--panel-2)}
.row b{font-weight:600}.row span{color:var(--muted);font-size:15px}
.row small{color:var(--teal);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.empty{color:var(--muted);padding:12px 0}

.art{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;margin-top:16px}
.side{position:sticky;top:88px;align-self:start;display:flex;flex-direction:column;gap:2px;font-size:15px;max-height:calc(100vh - 110px);overflow:auto}
.side b{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px}
.side a{text-decoration:none;padding:6px 10px;border-radius:8px;color:var(--muted);border-left:2px solid transparent}
.side a:hover{color:var(--text);background:var(--panel)}
.side a.on{color:var(--text);border-left-color:var(--teal);background:var(--panel);border-radius:0 8px 8px 0}
article{max-width:760px}
article h1{margin-top:0}
article p,article li{color:var(--text)}
article ul,article ol{padding-left:22px}
article li{margin:6px 0}
ol.steps{list-style:none;padding:0;counter-reset:s}
ol.steps li{counter-increment:s;position:relative;padding:2px 0 2px 42px;margin:12px 0}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:50%;background:var(--teal-ink);color:var(--teal);font-weight:600;font-size:14px;display:grid;place-items:center;border:1px solid var(--teal)}
article a{color:var(--teal);text-underline-offset:3px}
.toc{border:1px solid var(--line);border-radius:12px;padding:14px 18px;display:flex;flex-direction:column;gap:4px;font-size:15px;background:var(--panel);margin-bottom:8px}
.toc b{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.toc a{text-decoration:none;color:var(--text)}.toc a:hover{color:var(--teal)}
.callout{border:1px solid var(--line);border-left:3px solid var(--teal);background:var(--panel);border-radius:0 10px 10px 0;padding:12px 16px;margin:18px 0}
.callout.warn{border-left-color:var(--warn)}
.helpful{margin-top:42px;padding-top:20px;border-top:1px solid var(--line);display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:15px}
.helpful span{color:var(--muted)}
.next{display:flex;flex-direction:column;margin-top:18px;border:1px solid var(--line);border-radius:12px;padding:14px 18px;text-decoration:none;color:var(--text)!important;transition:border-color .15s}
.next:hover{border-color:var(--teal)}
.next small{color:var(--muted)}

footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
footer a{text-decoration:none;margin-left:16px}footer a:hover{color:var(--text)}

@media (max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}.art{grid-template-columns:1fr;gap:20px}.side{display:none}header nav{display:none}}
@media (max-width:560px){.wrap{padding:0 16px}main{padding:20px 16px 56px}.cards{grid-template-columns:1fr}.hero h1{font-size:36px}h1{font-size:30px}.hsearch{display:none}#theme{margin-left:auto}.contact{flex-direction:column;align-items:flex-start}footer a{margin:0 14px 0 0}.brand img{height:22px}}