:root{
  --bg:#fff; --bg-muted:#f7f7f8; --text:#111418; --muted:#5b636b; --border:#e6e8eb;
  --brand:#4CBB17; --brand-ink:#0f2810; --maxw:1120px; --radius:16px;
  --shadow:0 6px 24px rgba(0,0,0,.06),0 2px 8px rgba(0,0,0,.04)
}
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Inter,Roboto,Arial,sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{max-width:var(--maxw);margin-inline:auto;padding:24px}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:16px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;font-weight:700}
.brand .mark{width:32px;height:32px;border-radius:10px;background:var(--brand)}
.hero{padding:64px 0;background:linear-gradient(180deg,var(--bg),var(--bg-muted));border-bottom:1px solid var(--border)}
.hero h1{font-size:clamp(28px,4.2vw,44px);line-height:1.1;margin:0 0 12px}
.hero p{color:var(--muted);margin:0 0 24px;max-width:60ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 20px;border-radius:999px;border:0;cursor:pointer;background:var(--brand);color:#fff;font-weight:700;box-shadow:var(--shadow);transition:transform .08s ease,box-shadow .2s ease,filter .2s ease}
.btn:hover{transform:translateY(-1px);filter:saturate(110%)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:none}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.card h3{margin:0 0 6px}
.card p{margin:0;color:var(--muted)}
.section{padding:48px 0}
.section h2{font-size:clamp(22px,3.2vw,32px);margin:0 0 16px}
.kicker{font-weight:700;color:var(--brand);letter-spacing:.02em;text-transform:uppercase;font-size:12px}
.footer{border-top:1px solid var(--border);padding:32px 0;color:var(--muted);background:var(--bg-muted)}