:root{--brand: #8b5cf6;--brand-600: #7c3aed;--brand-700: #6d28d9;--bg: #0b0f14;--fg: #e5e7eb;--muted: #9aa3b2;--card: #111827;--line: color-mix(in oklab, var(--fg) 12%, transparent);--header-h: 56px}:root.light{--bg: #ffffff;--fg: #0f172a;--muted: #475569;--card: #f1f5f9}html{scroll-behavior:smooth}body{-webkit-user-select:none;user-select:none;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg);color:var(--fg)}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:min(1100px,92%);margin-inline:auto}header.sticky{position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:color-mix(in oklab,var(--bg) 80%,transparent);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top);z-index:100}nav{display:flex;align-items:center;gap:1rem;padding:.75rem 0}nav .brand{display:flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:.2px}nav .brand img{height:28px;width:auto}nav ul{display:flex;gap:.5rem;list-style:none;padding:0;margin:0}nav a.btn{padding:.5rem .8rem;border-radius:.7rem}nav a[aria-current=true],nav a:hover{background:color-mix(in oklab,var(--brand) 18%,transparent)}.hero{padding:7rem 0 5rem;display:grid;gap:2rem;align-items:center;background:radial-gradient(800px 400px at 20% -10%,color-mix(in oklab,var(--brand) 22%,transparent),transparent 60%),radial-gradient(900px 500px at 120% 10%,color-mix(in oklab,var(--brand) 18%,transparent),transparent 60%);border-bottom:1px solid var(--line)}.hero h1{font-size:clamp(2.2rem,4vw,3.2rem);line-height:1.1;margin:0 0 .5rem}.hero p.lead{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);margin:0 0 1.25rem}.hero .cta{display:flex;gap:.8rem;flex-wrap:wrap}.btn-primary{background:var(--brand);color:#fff;padding:.85rem 1rem;border-radius:.9rem;font-weight:700;transition:transform .05s ease,background .2s ease}.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px)}.btn-primary:active{background:var(--brand-700);transform:translateY(0)}.btn-secondary{border:1px solid var(--line);padding:.85rem 1rem;border-radius:.9rem}section{padding:4rem 0;scroll-margin-top:calc(var(--header-h) + 18px)}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:1rem;padding:1rem}.muted{color:var(--muted)}h2{position:relative;padding-bottom:.35rem}h2:after{content:"";position:absolute;left:0;bottom:0;width:60px;height:3px;border-radius:2px;background:var(--brand)}footer{padding:3rem 0;border-top:1px solid var(--line)}@media (max-width: 820px){.hero{padding:calc(5.5rem + env(safe-area-inset-top)) 0 3rem}.hero h1{font-size:clamp(1.8rem,6.5vw,2.4rem)}.hero .cta .btn-primary,.hero .cta .btn-secondary{width:100%;text-align:center}}section{scroll-margin-top:calc(var(--header-h) + 18px)}.hero-logo{display:block;height:clamp(120px,22vw,320px);width:auto;margin:1rem auto 3.5rem;filter:drop-shadow(0 10px 40px color-mix(in oklab,var(--brand) 15%,transparent))}@media (max-width: 820px){.hero-logo{height:clamp(150px,22vw,160px);margin:.5rem auto 5rem}}