:root{
  --bg: #e4f5e7;
  --ink:#0e1b12;
  --muted:#577b5f;
  --card:#ffffff;
  --accent:#60b56a;
  --ring: rgba(0,0,0,0.06);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#111314;
    --ink:#e7f3ea;
    --muted:#9fb8a4;
    --card:#1a1d1e;
    --accent:#7bd087;
    --ring: rgba(255,255,255,0.08);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:980px;margin:0 auto;padding:24px}
.nav{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;gap:12px;align-items:center}
.brand img{width:40px;height:40px;border-radius:10px;box-shadow:0 1px 0 var(--ring)}
.nav a{font-weight:600}
.hero{display:grid;grid-template-columns:1.1fr 0.9fr;gap:24px;align-items:center;padding:32px 0}
.hero h1{font-size:clamp(2rem, 4vw, 3rem);margin:.2em 0}
.hero p{font-size:1.1rem;color:var(--muted);line-height:1.6}
.card{background:var(--card);border:1px solid var(--ring);border-radius:16px;padding:20px;box-shadow:0 1px 0 var(--ring)}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.footer{padding:32px 0;color:var(--muted);font-size:.9rem}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-block;background:var(--accent);color:white;padding:12px 16px;border-radius:12px;font-weight:700;box-shadow:0 2px 0 rgba(0,0,0,.08)}
.btn.secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.splash{width:100%;border-radius:18px;box-shadow:0 2px 0 var(--ring)}
h2{margin-top:1.6em}
ul{margin-top:.4em;line-height:1.8}
.small{font-size:.9rem;color:var(--muted)}
.center{display:flex;justify-content:center}