*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Inter,Arial,sans-serif;background:#f5f7fb;color:#1d2735;line-height:1.6}
.container{width:min(1120px,92%);margin:auto}
.topbar{background:#143a70;color:#fff}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.logo{font-size:1.8rem;font-weight:700}
.logo span{color:#65d46e}
nav a{color:#fff;text-decoration:none;margin-left:24px}
.hero{padding:70px 0;background:linear-gradient(180deg,#eef6ff,#fff)}
.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:40px;align-items:start}
.badge{display:inline-block;background:#dff7e4;color:#16863a;padding:6px 12px;border-radius:999px;font-size:.85rem}
h1{font-size:3.5rem;margin:16px 0}
.lead{font-size:1.15rem;color:#526173;margin-bottom:18px}
.features{list-style:none}
.features li{margin:10px 0}
.purchase-card{background:#fff;border-radius:16px;padding:28px;box-shadow:0 12px 40px rgba(0,0,0,.08);position:sticky;top:20px}
.price{font-size:2.5rem;color:#169b45;font-weight:700;margin:16px 0}
.btn{display:block;text-align:center;padding:14px;border-radius:10px;text-decoration:none;font-weight:600;margin-top:12px}
.primary{background:#169b45;color:#fff}
.secondary{border:2px solid #169b45;color:#169b45}
.section{padding:70px 0}
.alt{background:#fff}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}
.cards article{background:#fff;border-radius:12px;padding:24px;box-shadow:0 8px 24px rgba(0,0,0,.06)}
blockquote{background:#fff;border-left:4px solid #169b45;padding:20px;margin:18px 0;border-radius:8px}
details{background:#fff;padding:16px;border-radius:10px;margin:14px 0;box-shadow:0 4px 14px rgba(0,0,0,.05)}
footer{background:#143a70;color:#fff;padding:40px 0}
.footer{display:flex;justify-content:space-between;gap:20px}
@media(max-width:900px){
.hero-grid,.cards,.footer{grid-template-columns:1fr;display:grid}
.topbar .container{flex-direction:column;gap:12px}
h1{font-size:2.5rem}
.section{padding: 40px 0;}
.hero {padding: 40px 0;}
footer{text-align: center;}
}