:root { --space:#04050a; --white:#f4f6f8; --text:#e9edf1; --muted:#b3bcc6; --green:#3ec393; --line:rgba(255,255,255,.1); --sans:"Geist","Inter",system-ui,sans-serif; }
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html,body { background:var(--space); color:var(--text); font-family:var(--sans); -webkit-font-smoothing:antialiased; }
body { background: radial-gradient(90% 50% at 100% 0%, rgba(62,195,147,.10), transparent 60%), radial-gradient(70% 40% at 0% 100%, rgba(186,39,156,.08), transparent 60%), var(--space); background-attachment: fixed; }
a { color:var(--green); text-decoration:underline; text-underline-offset:3px; }
:focus-visible { outline:2px solid var(--green); outline-offset:3px; border-radius:4px; }
.lnav { position:sticky; top:0; z-index:5; display:flex; justify-content:space-between; align-items:center; gap:16px; padding:18px clamp(16px,4vw,48px); background:rgba(4,5,10,.82); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px); border-bottom:1px solid var(--line); }
.lnav img { height:32px; width:auto; display:block; }
.lnav__links { display:flex; gap:18px; font-size:14px; }
.lnav__links a { color:var(--text); text-decoration:none; }
.lnav__links a[aria-current] { color:var(--green); }
.lnav__cta { color:#04130d !important; background:linear-gradient(180deg,#6fe0b3,var(--green)); padding:9px 16px; border-radius:99px; font-weight:600; }
main { max-width:820px; margin:0 auto; padding:clamp(40px,8vh,80px) clamp(16px,4vw,32px) 80px; }
h1 { font-size:clamp(34px,5vw,56px); line-height:1.05; letter-spacing:-.04em; font-weight:600; color:var(--white); }
.meta { margin-top:10px; color:var(--muted); font-size:14px; }
.intro { margin-top:22px; font-size:17px; line-height:1.65; color:var(--text); }
.toc { margin-top:28px; padding:20px 22px; border:1px solid var(--line); border-radius:16px; background:rgba(255,255,255,.03); }
.toc p { font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); margin-bottom:10px; }
.toc ol { padding-left:20px; columns:2; column-gap:28px; font-size:14px; line-height:1.9; }
.toc a { color:var(--text); text-decoration:none; }
section { margin-top:44px; padding-top:28px; border-top:1px solid var(--line); scroll-margin-top:90px; }
h2 { font-size:clamp(22px,2.6vw,28px); letter-spacing:-.025em; font-weight:600; color:var(--white); margin-bottom:14px; }
h2 .n { color:var(--green); margin-right:10px; }
h3 { font-size:17px; font-weight:600; color:var(--white); margin:22px 0 8px; }
h4 { font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--green); margin:18px 0 6px; font-weight:600; }
p, li { font-size:16px; line-height:1.7; color:var(--muted); }
p + p { margin-top:10px; }
ul { padding-left:20px; margin:6px 0; }
.box { margin-top:12px; padding:16px 18px; border-radius:14px; border:1px solid var(--line); background:rgba(255,255,255,.03); }
.box p { color:var(--text); }
.btnlink { display:inline-block; margin-top:8px; font:inherit; font-size:15px; font-weight:600; color:#04130d; background:linear-gradient(180deg,#6fe0b3,var(--green)); border:0; padding:11px 18px; border-radius:99px; cursor:pointer; text-decoration:none; }
.lfoot { border-top:1px solid var(--line); padding:28px clamp(16px,4vw,48px) 40px; display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px 24px; font-size:14px; color:var(--muted); }
.lfoot a { color:var(--text); }
@media (max-width:600px) { .toc ol { columns:1; } .lnav__links a:not(.lnav__cta) { display:none; } }