@font-face {
  font-family: 'Instrument Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(ld-font-1.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(ld-font-2.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(ld-font-3.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(ld-font-3.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(ld-font-3.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(ld-font-4.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(ld-font-4.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
:root{--bg:#08090d;--bg2:#101219;--ink:#ecebe6;--mute:#8a8c96;--dim:#5b5e69;--line:rgba(236,235,230,.09);--acc:#3ee6c1;--serif:"Instrument Serif",Georgia,serif;--mono:"JetBrains Mono",monospace}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:#c9cad0;font:16px/1.75 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;background-image:radial-gradient(ellipse 70% 40% at 50% 0,rgba(62,230,193,.07),transparent)}
::selection{background:var(--acc);color:#000}
a{color:var(--acc);text-underline-offset:3px}
.wrap{max-width:1100px;margin:0 auto;padding:0 28px}
nav{position:sticky;top:0;z-index:5;background:rgba(8,9,13,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;justify-content:space-between;align-items:center;height:68px;gap:20px}
.logo{font-family:var(--serif);font-size:26px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:9px}
.logo i{width:9px;height:9px;border-radius:50%;background:var(--acc);box-shadow:0 0 14px var(--acc)}
.logo em{color:var(--acc)}
.tabs{display:flex;gap:22px;font-size:14px}
.tabs a{color:var(--mute);text-decoration:none}
.tabs a.on,.tabs a:hover{color:var(--ink)}
header{padding:90px 0 50px;border-bottom:1px solid var(--line)}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--acc);margin-bottom:22px}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(48px,7vw,88px);line-height:1;color:var(--ink);letter-spacing:-.015em}
h1 em{color:var(--acc)}
.intro{max-width:680px;margin-top:24px;font-size:18px;color:#b9bac1}
.meta{font-family:var(--mono);font-size:11px;color:var(--dim);margin-top:22px;letter-spacing:.06em}
.body{display:grid;grid-template-columns:230px 1fr;gap:70px;padding:60px 0 100px}
.toc{position:sticky;top:100px;align-self:start;font-size:13px}
.toc b{display:block;font-family:var(--mono);font-weight:400;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.toc a{display:block;color:var(--mute);text-decoration:none;padding:5px 0;border-left:1px solid var(--line);padding-left:14px}
.toc a:hover{color:var(--ink);border-color:var(--acc)}
article{max-width:720px}
article section{padding-bottom:34px;margin-bottom:34px;border-bottom:1px solid var(--line);scroll-margin-top:90px}
article section:last-child{border:0}
h2{font-family:var(--serif);font-weight:400;font-size:32px;line-height:1.15;color:var(--ink);margin-bottom:14px}
h2 span{font-family:var(--mono);font-size:12px;color:var(--acc);margin-right:12px;vertical-align:middle}
h3{font-size:15px;font-weight:600;color:var(--ink);margin:18px 0 6px}
p+p{margin-top:12px}
ul{margin:10px 0 0 0;list-style:none}
li{padding:5px 0 5px 20px;position:relative}
li::before{content:"";position:absolute;left:2px;top:15px;width:6px;height:1px;background:var(--acc)}
.callout{border:1px solid rgba(62,230,193,.3);background:rgba(62,230,193,.05);border-radius:14px;padding:18px 20px;margin-top:16px;color:#d6d7dc}
strong{color:var(--ink);font-weight:600}
footer{border-top:1px solid var(--line);padding:34px 0;font-size:13px;color:var(--dim)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--mute);text-decoration:none;margin-left:18px}
@media (max-width:860px){.body{grid-template-columns:1fr;gap:20px}.toc{position:static;display:none}.tabs{display:none}header{padding:60px 0 36px}}