/* © LowSense, 2026 · GNU AGPLv3 */
.mobile-menu{display:none}

:root{color-scheme:dark;--bg:#10120f;--panel:#191c17;--line:#30362b;--text:#eff1e9;--muted:#929987;--accent:#d5f5a1;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--bg);color:var(--text)}html[data-lang=ru] [lang=en],html[data-lang=en] [lang=ru]{display:none}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}header,main,footer{max-width:1320px;margin:auto}header{min-height:108px;padding:24px 40px;display:flex;align-items:center;gap:34px}.brand{font-weight:650;letter-spacing:-1.3px;font-size:27px;display:flex;align-items:center;gap:10px;white-space:nowrap}.spark{color:var(--accent);font-size:36px}.brand small{font:10px var(--mono);letter-spacing:0;color:var(--muted);border-left:1px solid var(--line);padding-left:16px;margin-left:5px}nav{display:flex;gap:30px;margin-left:auto;font-size:12px;color:var(--muted)}nav a[aria-current=page]{color:var(--accent)}.locale{border:1px solid var(--line);background:transparent;color:var(--text);border-radius:24px;padding:10px 15px;font:11px var(--mono);white-space:nowrap}main{padding:0 40px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(46px,5.1vw,72px);font-weight:500;line-height:1.08;letter-spacing:-3.9px;margin-bottom:28px}h1 em{color:var(--muted);font-style:normal}h2{font-size:36px;line-height:1.18;font-weight:500;letter-spacing:-1.5px}h3{font-size:21px;letter-spacing:-.5px;font-weight:500}.eyebrow{font:10px var(--mono);letter-spacing:1.6px;color:#abb69e;display:flex;align-items:center;gap:10px}.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}.lead{max-width:460px;color:var(--muted);font-size:16px;line-height:1.9}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:46px;padding:60px 0 80px;align-items:center}.hero .eyebrow{margin-bottom:32px}.actions{display:flex;gap:12px;margin:32px 0 22px}.button{padding:17px 22px;font-size:13px;display:flex;align-items:center;gap:32px;border-radius:9px;transition:transform .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--accent);color:#1e2b13}.primary:hover{color:#1e2b13;background:#e4ffbd}.secondary{border:1px solid var(--line)}.button>span:last-child{font-size:20px}.hero-meta{font:10px var(--mono);display:flex;gap:12px;color:#76816a}.hero-meta b{font-weight:400}.universe{height:440px;background:radial-gradient(ellipse at center,#d5f5a10b,transparent 60%),var(--panel);border:1px solid var(--line);border-radius:22px;position:relative;overflow:hidden}.universe-top,.universe-bottom{position:absolute;left:28px;right:28px;display:flex;align-items:center;justify-content:space-between;font:9px var(--mono);letter-spacing:1.4px;color:#829071}.universe-top{top:28px}.universe-bottom{bottom:26px;border-top:1px solid var(--line);padding-top:20px}.universe-bottom>span:last-child{font-size:20px;color:var(--accent)}.orbit{position:absolute;left:50%;top:48%;border:1px solid #d5f5a12d;border-radius:50%;transform:translate(-50%,-50%) rotate(-30deg)}.one{width:380px;height:145px}.two{width:370px;height:200px;transform:translate(-50%,-50%) rotate(35deg);border-color:#d5f5a116}.three{width:245px;height:245px;border-style:dashed;border-color:#d5f5a118}.main-star{position:absolute;inset:0;display:grid;place-items:center;padding-bottom:25px;font-size:230px;color:var(--accent);text-shadow:0 0 70px #d5f5a11c;animation:breathe 8s ease-in-out infinite}.satellite{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--accent)}.s1{left:17%;top:62%}.s2{right:18%;top:27%;width:5px;height:5px;background:#71805f}.coordinate{position:absolute;font:8px var(--mono);color:#68765b;letter-spacing:1px}.c1{left:7%;top:27%}.c2{right:9%;bottom:26%}.strip{border-block:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:23px 0;font:10px var(--mono);letter-spacing:1.7px;color:var(--muted)}.strip i{font-style:normal;color:var(--accent);font-size:20px}.features{padding:84px 0}.section-title{display:flex;justify-content:space-between;align-items:start;margin-bottom:40px}.section-title h2{width:48%;margin:0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{padding:30px;border:1px solid var(--line);border-radius:14px;background:#151812}.feature-icon{display:block;font-size:30px;color:var(--accent);height:65px}.feature p{font-size:13px;line-height:1.8;color:var(--muted);min-height:94px}.feature a,.text-link{color:var(--accent);font-size:12px}.start-panel{margin:0 0 86px;border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.start-panel h2{margin:20px 0 14px;font-size:30px}.start-panel p{color:var(--muted);font-size:13px;line-height:1.8}.start-panel .code{margin:0}footer{display:flex;align-items:center;padding:28px 40px 40px;gap:25px;border-top:1px solid var(--line);font:10px var(--mono);color:var(--muted)}footer .brand{font-size:22px;margin-right:auto;color:var(--text)}footer .spark{font-size:26px}footer i{font-style:normal;padding:0 8px;color:#4a5440}.page-intro{padding:62px 0 52px;border-bottom:1px solid var(--line)}.page-intro .eyebrow{margin-bottom:26px}.page-intro h1{font-size:60px}.page-intro .lead{max-width:600px;margin-bottom:0}.doc-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:66px;padding:48px 0 90px}aside{position:sticky;top:32px;align-self:start;display:flex;flex-direction:column;gap:17px;font-size:12px;color:var(--muted)}aside .eyebrow{font-size:9px;margin-bottom:6px}aside a:hover{color:var(--accent)}aside .source-link{border-top:1px solid var(--line);padding-top:22px;color:var(--accent)}article{max-width:850px;min-width:0}.doc-section{padding-bottom:36px;margin-bottom:36px;border-bottom:1px solid var(--line)}.doc-section:last-child{margin-bottom:0}.doc-section h2{font-size:29px;margin-bottom:22px}.doc-section p{font-size:14px;line-height:1.9;color:#abb4a0}.doc-section p a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}code{font:12px/1.8 var(--mono);overflow-wrap:anywhere}p code,td code{color:var(--accent);background:#242b1e;border-radius:4px;padding:2px 5px}.code{border:1px solid var(--line);border-radius:10px;background:#0c0f0b;margin:24px 0;overflow:hidden}.code-head{padding:10px 16px;border-bottom:1px solid #252c20;display:flex;justify-content:space-between;font:10px var(--mono);color:#77846a}.copy{border:0;background:transparent;color:var(--muted);font:10px var(--mono);padding:2px 0}.copy:hover{color:var(--accent)}pre{margin:0;padding:20px;overflow:auto;color:#d4e4c0;tab-size:4}pre code{overflow-wrap:normal;white-space:pre;font-size:12px}.note{padding:18px 20px;border-left:2px solid var(--accent);background:#1b2216;color:#c1cdb4;font-size:13px;line-height:1.8;margin:24px 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{color:var(--muted);font:10px var(--mono);padding:14px 12px;background:var(--panel)}td{padding:17px 12px;border-bottom:1px solid var(--line);color:#b7c0ae;line-height:1.7}td:first-child{white-space:nowrap}.skip{position:fixed;top:8px;left:8px;transform:translateY(-200%);background:var(--accent);color:var(--bg);padding:12px;z-index:5}.skip:focus{transform:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}@keyframes breathe{50%{transform:scale(1.025);opacity:.85}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}@media(max-width:1000px){header{gap:18px}nav{gap:16px}.brand small{display:none}h1{font-size:52px;letter-spacing:-2.8px}.hero{gap:24px}.universe{height:390px}.one{width:310px}.two{width:300px}.feature{padding:23px}.doc-layout{grid-template-columns:180px minmax(0,1fr);gap:32px}.start-panel{padding:28px;gap:24px}}@media(max-width:720px){header{padding:22px;flex-wrap:wrap;gap:18px;min-height:0}header .brand{font-size:25px}header .locale{margin-left:auto}nav{order:3;width:100%;margin:0;justify-content:space-between;gap:10px;font-size:11px;border-top:1px solid var(--line);padding-top:18px}main{padding:0 22px}.hero{grid-template-columns:1fr;padding:40px 0;gap:30px}h1{font-size:46px;letter-spacing:-2.6px}.lead{font-size:14px;line-height:1.8}.hero .eyebrow{font-size:9px;margin-bottom:24px}.actions{gap:10px}.button{padding:15px 18px;gap:20px;font-size:12px}.universe{height:315px}.main-star{font-size:185px}.three{width:205px;height:205px}.strip{font-size:8px;letter-spacing:.4px;gap:10px}.strip i{font-size:13px}.features{padding:44px 0}.section-title{display:block;margin-bottom:25px}.section-title h2{width:auto;font-size:32px;margin-top:20px}.feature-grid{grid-template-columns:1fr;gap:12px}.feature{padding:25px}.feature-icon{height:48px}.feature p{min-height:0}.start-panel{grid-template-columns:1fr;padding:24px;margin-bottom:44px;gap:24px}.start-panel h2{font-size:27px}.start-panel pre{padding:15px}.start-panel code{font-size:10px}footer{padding:25px 22px;gap:20px;flex-wrap:wrap;font-size:9px}footer .brand{width:100%}.page-intro{padding:38px 0 30px}.page-intro h1{font-size:43px}.doc-layout{display:block;padding:28px 0 45px}aside{position:static;display:flex;flex-direction:row;flex-wrap:wrap;gap:12px 20px;margin-bottom:36px;padding-bottom:24px;border-bottom:1px solid var(--line)}aside .eyebrow{width:100%}aside .source-link{border:0;padding:0}.doc-section h2{font-size:25px}.doc-section p{font-size:13px}pre{padding:16px}pre code{font-size:11px}td{font-size:12px;padding:14px 8px}}


/* Bézier curves preserve smooth concave sides at every screen size. */
.main-star{inset:auto;left:50%;top:48%;width:210px;height:210px;padding:0;margin:-105px 0 0 -105px;font-size:0;display:block;background:transparent;clip-path:none;filter:none}
@media(max-width:720px){
  header{position:relative;flex-wrap:nowrap;min-height:88px;padding:20px 22px;gap:12px;z-index:10}
  header .desktop-nav{display:none}
  header .locale{margin-left:auto;margin-right:54px;min-height:44px;padding:10px 14px}
  .mobile-menu{display:block;position:absolute;right:22px;top:22px}
  .mobile-menu summary{list-style:none;display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--panel);cursor:pointer;touch-action:manipulation}
  .mobile-menu summary::-webkit-details-marker{display:none}
  .mobile-menu summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
  .menu-lines,.menu-lines::after{display:block;width:17px;height:1px;background:var(--text);position:relative;transition:transform .18s}
  .menu-lines{transform:translateY(-3px)}
  .menu-lines::after{content:"";position:absolute;top:6px}
  .mobile-menu[open] .menu-lines{transform:rotate(45deg)}
  .mobile-menu[open] .menu-lines::after{transform:rotate(-90deg);top:0}
  .mobile-menu nav{position:absolute;right:0;top:54px;display:flex;flex-direction:column;width:min(310px,calc(100vw - 44px));margin:0;padding:8px;border:1px solid var(--line);border-radius:14px;gap:3px;background:var(--panel);box-shadow:0 18px 45px #0006;font-size:14px}
  .mobile-menu nav a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:14px;border-radius:8px;color:var(--text)}
  .mobile-menu nav a::after{content:"↗";color:var(--accent);margin-left:16px}
  .mobile-menu nav a:hover,.mobile-menu nav a[aria-current=page]{background:#262e20;color:var(--accent)}
  .hero{padding-top:24px}
  .universe{height:290px}
  .main-star{width:154px;height:154px;margin:-77px 0 0 -77px;top:46%}
  .orbit{top:46%}
  .one{width:82%;height:112px}
  .two{width:80%;height:150px}
  .three{width:190px;height:190px}
  .universe-top{left:20px;right:20px;top:20px}
  .universe-bottom{left:20px;right:20px;bottom:20px;padding-top:15px;font-size:8px;letter-spacing:1px}
  .c1{top:25%;left:7%;font-size:7px}
  .c2{bottom:25%}
}