:root{
    --landing-void:#000;
    --landing-white:#fff;
    --landing-gray:#9a9a9a;
    --landing-silver:#bdbdbd;
    --landing-accent:#3dd598;
    --landing-accent-2:#22d3c5;
    --landing-accent-deep:#15846e;
    --landing-accent-soft:#78e7bd;
    --landing-max:1280px;
    --landing-radius:24px;
    font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--landing-void)}
body{margin:0;background:var(--landing-void);color:var(--landing-white);font-size:18px;line-height:1.5}
a{color:inherit}
button,input{font:inherit}
.landing-page{position:relative;min-height:100vh;overflow-x:hidden}
.landing-page:before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;background-image:radial-gradient(circle,rgba(255,255,255,.16) 1px,transparent 1.12px);background-position:8px 8px;background-size:16px 16px;opacity:.34;mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.94) 44%,rgba(0,0,0,.62) 78%,transparent 100%);-webkit-mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.94) 44%,rgba(0,0,0,.62) 78%,transparent 100%)}
.landing-page:after{content:"";position:fixed;inset:-20%;z-index:0;pointer-events:none;background:radial-gradient(circle at 77% 28%,rgba(34,211,197,.08),transparent 28%),radial-gradient(circle at 68% 42%,rgba(61,213,152,.055),transparent 34%)}
.particle-world,#knowledge-constellation{position:fixed;inset:0;z-index:1;width:100vw;height:100vh;display:block;pointer-events:none;contain:strict}
.site-header,.site-footer,main{width:min(calc(100% - 48px),var(--landing-max));margin-inline:auto;position:relative;z-index:2}
.site-header{position:absolute;top:0;left:50%;transform:translateX(-50%);margin-inline:0;height:96px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;z-index:30}
.site-logo{display:inline-flex;align-items:center;gap:11px;width:max-content;text-decoration:none;color:var(--landing-white);font-size:18px;font-weight:600;letter-spacing:-.03em}
.site-logo-image{display:block;width:42px;height:42px;object-fit:contain;flex:0 0 auto}
.site-nav{display:flex;align-items:center;gap:34px}
.site-nav a,.header-login{font-size:13px;font-weight:600;letter-spacing:.025em;text-transform:uppercase;text-decoration:none;color:var(--landing-gray);transition:color .2s ease}
.site-nav a:hover,.header-login:hover{color:var(--landing-white)}
.header-login{justify-self:end;color:var(--landing-white)}
.section-label{margin:0;color:var(--landing-accent-soft);font-size:13px;font-weight:600;line-height:1.2;letter-spacing:.08em;text-transform:uppercase}
.primary-cta{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:999px;background:var(--landing-accent);color:#03120d;font-size:13px;font-weight:600;letter-spacing:.035em;text-transform:uppercase;text-decoration:none;transition:transform .2s ease,background .2s ease}
.primary-cta:hover{transform:translateY(-2px);background:var(--landing-accent-2)}
.text-link{display:inline-flex;align-items:center;gap:9px;color:var(--landing-white);font-size:14px;text-decoration:none}
.text-link span{color:var(--landing-accent-2);transition:transform .2s ease}
.text-link:hover span{transform:translate(3px,3px)}