:root{
  --bg:#fff; --bg-alt:#f5f7fb; --fg:#0f172a; --muted:#51607a; --line:#e2e8f0;
  --accent:#4f46e5; --accent-2:#0ea5e9; --card:#fff;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#0b1020; --bg-alt:#10172b; --fg:#e8ecf6; --muted:#9aa7c2; --line:#1f2a44; --accent:#818cf8; --accent-2:#38bdf8; --card:#131b32}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--bg);padding:8px;z-index:10}
a{color:inherit}
.nav{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;color:var(--fg)}
.brand svg{color:var(--accent)}
nav{display:flex;align-items:center;gap:22px}
nav a{text-decoration:none;color:var(--muted);font-size:15px}
nav a:hover{color:var(--fg)}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 22px;border-radius:10px;font-weight:600;transition:transform .15s,opacity .15s}
.btn:hover{opacity:.9;transform:translateY(-1px)}
nav .btn{color:#fff}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.hero{padding:96px 0 80px;background:radial-gradient(900px 400px at 80% -10%,color-mix(in srgb,var(--accent) 22%,transparent),transparent),radial-gradient(700px 300px at 0% 0%,color-mix(in srgb,var(--accent-2) 16%,transparent),transparent)}
.eyebrow{color:var(--accent);font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:13px;margin:0 0 16px}
h1{font-size:clamp(34px,6vw,60px);line-height:1.1;margin:0 0 20px;letter-spacing:-.02em}
.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:640px;margin:0 0 32px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.section{padding:72px 0}
.alt{background:var(--bg-alt)}
h2{font-size:clamp(26px,4vw,36px);margin:0 0 12px;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 32px}
h2+.grid{margin-top:28px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px;text-decoration:none;color:inherit}
.card h3{margin:12px 0 8px;font-size:21px}
.card p{margin:0 0 14px;color:var(--muted)}
.card ul{margin:0;padding-left:18px;color:var(--muted)}
.card li{margin:4px 0}
a.card{transition:transform .15s,border-color .15s,box-shadow .15s}
a.card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:0 10px 30px -12px color-mix(in srgb,var(--accent) 40%,transparent)}
.icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}
.icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}
.tag.free{background:color-mix(in srgb,#10b981 16%,transparent);color:#059669}
@media (prefers-color-scheme: dark){.tag.free{color:#34d399}}
.more{color:var(--accent);font-weight:600;font-size:15px}
.more i{font-style:normal;display:inline-block;transition:transform .15s}
a.card:hover .more i{transform:translateX(4px)}
.center{text-align:center}
.center .sub{margin-bottom:24px}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px}
.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media (max-width:640px){nav a:not(.btn){display:none}.hero{padding:64px 0 56px}.section{padding:56px 0}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}