:root{
  --bg:#030807;
  --line:rgba(190,224,207,.11);
  --line-strong:rgba(77,230,177,.3);
  --text:#eef7f2;
  --muted:#8fa99d;
  --green:#42e6a4;
  --teal:#22d3bb;
  --cyan:#43d8ee;
  --display:"Cormorant Garamond",serif;
  --mono:"JetBrains Mono",monospace;
  --body:"Inter",sans-serif;
  --page-x:clamp(20px,5vw,72px);
  --max:760px;
  --grad:linear-gradient(95deg,var(--green),var(--teal) 55%,var(--cyan));
}
*{box-sizing:border-box;}
html{max-width:100%;overflow-x:clip;}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);-webkit-font-smoothing:antialiased;}
a{color:inherit;}
h1,h2,p,ul{margin:0;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}

.grid-bg{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 0%,rgba(0,0,0,.95),transparent 78%);}
.glow{position:fixed;border-radius:50%;filter:blur(110px);z-index:-1;pointer-events:none;opacity:.35;}
.glow-1{width:36vw;height:36vw;background:var(--green);top:-16vw;left:-12vw;}
.glow-2{width:28vw;height:28vw;background:var(--cyan);top:8vh;right:-14vw;}

.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:center;min-height:78px;
  padding:7px var(--page-x);border-bottom:1px solid var(--line);background:rgba(4,7,10,.82);backdrop-filter:blur(14px);}
.brand{display:flex;align-items:center;text-decoration:none;}
.brand-wordmark{--logo-w:200px;--logo-h:56px;display:block;width:var(--logo-w);height:var(--logo-h);}
.brand-wordmark img{width:100%;height:100%;object-fit:contain;}

.language-switcher{position:absolute;right:var(--page-x);top:50%;transform:translateY(-50%);}
.language-button{display:flex;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line-strong);border-radius:10px;background:rgba(3,10,8,.82);color:var(--green);padding:9px;}
.language-button svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.7;}
.language-menu{position:absolute;top:calc(100% + 9px);right:0;display:none;min-width:132px;padding:7px;border:1px solid var(--line-strong);border-radius:11px;background:rgba(3,8,7,.98);}
.language-open .language-menu{display:grid;gap:4px;}
.language-menu button{border:1px solid transparent;border-radius:7px;background:transparent;color:var(--muted);padding:9px 11px;text-align:left;font-family:var(--mono);font-size:11px;}
.language-menu button.active,.language-menu button.lang-btn--active{border-color:var(--line);background:rgba(57,255,158,.06);color:var(--green);}

main{position:relative;z-index:1;padding:48px var(--page-x) 72px;}
.wrap{width:min(100%,var(--max));margin:0 auto;}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:14px;}
h1{font-family:var(--display);font-size:clamp(2rem,5vw,3.1rem);font-weight:600;line-height:1.15;margin-bottom:12px;}
.lead,.prose p,.prose li{color:var(--muted);font-size:16px;line-height:1.65;}
.lead{margin-bottom:32px;}
.prose h2{font-family:var(--display);font-size:1.45rem;font-weight:600;margin:28px 0 10px;color:var(--text);}
.prose ul{padding-left:1.2rem;display:grid;gap:8px;}
.updated{margin-top:36px;font-family:var(--mono);font-size:11px;color:var(--muted);}
.back{display:inline-flex;margin-top:28px;color:var(--green);text-decoration:none;font-size:14px;font-weight:600;}
.back:hover{text-decoration:underline;}

footer{border-top:1px solid var(--line);padding:22px var(--page-x) 28px;display:flex;flex-direction:column;align-items:center;text-align:center;color:var(--muted);font-size:11.5px;gap:10px;}
.footer-legal{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;}
.footer-legal a{color:var(--muted);text-decoration:none;}
.footer-legal a:hover{color:var(--text);}

@media(max-width:720px){
  :root{--page-x:18px;}
  .brand-wordmark{--logo-w:168px;--logo-h:48px;}
  .language-switcher{right:12px;}
}