:root{
  --bg:#0a0a0a; --surface:#141414; --surface2:#1a1a1a;
  --text:#e5e5e5; --white:#ffffff; --muted:rgba(255,255,255,.6); --faint:rgba(255,255,255,.45);
  --glass:rgba(255,255,255,.05); --glass-hi:rgba(255,255,255,.09);
  --border:rgba(255,255,255,.14); --border-soft:rgba(255,255,255,.08);
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:24px; --r-pill:999px;
  --display:'Unbounded','Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --edge:inset 0 1px 0 rgba(255,255,255,.16),inset 0 -1px 0 rgba(255,255,255,.05);
  --shadow:0 2px 4px rgba(0,0,0,.5),0 18px 48px rgba(0,0,0,.4);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:dark}
body{
  position:relative;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.65;
  -webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden;
  display:flex;flex-direction:column;
}
a{color:inherit;text-decoration:none}
html[lang="ru"] .l-en{display:none}
html[lang="en"] .l-ru{display:none}

#flowField{position:fixed;inset:0;z-index:0;pointer-events:none;-webkit-mask-image:radial-gradient(ellipse 78% 68% at 50% 45%,#000 38%,transparent 92%);mask-image:radial-gradient(ellipse 78% 68% at 50% 45%,#000 38%,transparent 92%)}

nav.top{position:fixed;top:0;left:0;right:0;z-index:30;transition:background .3s ease,border-color .3s ease;border-bottom:1px solid transparent}
nav.top.scrolled{background:rgba(10,10,10,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom-color:var(--border-soft)}
.nav-in{max-width:1120px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:34px;height:34px;border-radius:var(--r-sm);background:var(--glass-hi);border:1px solid var(--border);box-shadow:var(--edge);display:flex;align-items:center;justify-content:center}
.brand-name{font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--white)}
.nav-right{display:flex;align-items:center;gap:10px}
.lang{display:flex;gap:2px;font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.1em}
.lang a{padding:6px 8px;color:var(--faint);transition:color .2s ease}
.lang a:hover,.lang a.on{color:var(--white)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--r-pill);font-size:13.5px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,opacity .2s ease,background .2s ease,border-color .2s ease;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-light{background:linear-gradient(180deg,#f4f4f6,#cfcfd6);color:#111;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 6px 20px rgba(0,0,0,.45)}
.btn-light:hover{background:linear-gradient(180deg,#fff,#dcdce2)}
.btn-glass{background:var(--glass);border-color:var(--border);color:var(--white);box-shadow:var(--edge);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn-glass:hover{background:var(--glass-hi)}
.btn-lg{padding:14px 30px;font-size:14.5px}

.wrap{position:relative;z-index:1;width:100%;max-width:780px;margin:0 auto;padding:128px 24px 0;flex:1}
.wrap.wide{max-width:1120px}
.eyebrow{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
h1{font-family:var(--display);font-weight:700;font-size:clamp(26px,4.2vw,42px);line-height:1.12;letter-spacing:-.025em;color:var(--white);margin-bottom:12px}
.updated{font-family:var(--mono);font-size:12px;color:var(--faint);margin-bottom:34px}

.wrap>section{background:var(--glass);border:1px solid var(--border-soft);border-radius:var(--r-lg);box-shadow:var(--edge);padding:26px 28px;margin-bottom:14px;transition:background .25s ease,border-color .25s ease}
.wrap>section:hover{background:var(--glass-hi);border-color:var(--border)}
h2{font-size:16px;font-weight:600;color:var(--white);margin-bottom:12px;display:flex;align-items:center;gap:12px}
h2 .n{width:26px;height:26px;border-radius:9px;background:var(--glass-hi);border:1px solid var(--border);flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11.5px;font-weight:600;color:var(--white)}
p{font-size:14.5px;color:var(--muted);margin-bottom:8px}
p:last-child{margin-bottom:0}
ul{margin:6px 0 8px 20px}
li{font-size:14.5px;color:var(--muted);margin-bottom:5px}
strong{color:var(--white);font-weight:600}
section a:not(.btn){color:var(--white);text-decoration:underline;text-decoration-color:var(--border);text-underline-offset:3px}
section a:not(.btn):hover{text-decoration-color:var(--white)}

footer{position:relative;z-index:1;margin-top:90px;border-top:1px solid var(--border-soft);padding:30px 24px 38px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.foot-links{display:flex;gap:22px;flex-wrap:wrap;justify-content:center;font-size:13px;color:var(--muted)}
.foot-links a:hover{color:var(--white)}
.copy{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--faint)}
.made{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--faint)}
.made a{color:var(--white);font-weight:600}
.made a:hover{text-decoration:underline;text-underline-offset:3px}

@media(max-width:560px){
  h1{font-size:clamp(20px,6vw,26px);overflow-wrap:break-word}
  .wrap{padding-top:108px}
  .wrap>section{padding:22px 20px}
  .lang{display:flex}
}
@media(prefers-reduced-motion:reduce){
  .wrap>section{transition:none}
}
.ns-grain{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;mix-blend-mode:overlay;opacity:.4;z-index:40}
@media(max-width:480px){.ns-grain{display:none}}