body { font-family: Arial, sans-serif; line-height: 1.6; margin:0; padding:0; }
header, footer { background: #333; color:#fff; padding:10px; text-align:center; }
nav a { color:#fff; margin:0 10px; text-decoration:none; }
main { padding:20px; max-width:900px; margin:auto; }
h1,h2,h3 { color:#333; }
.cta-button { display:inline-block; padding:10px 20px; background:#ff6600; color:#fff; text-decoration:none; border-radius:5px; margin:10px 0; }
section { margin-bottom:30px; }
ul, ol { margin-left:20px; }
.product { border:1px solid #ccc; padding:10px; margin-bottom:20px; border-radius:5px; }
.hero { text-align:center; padding:50px 20px; background:#f4f4f4; }
.features ul { list-style:none; padding:0; }
.features li { background:#eee; padding:10px; margin-bottom:10px; border-radius:5px; }
.testimonial { background:#f9f9f9; padding:20px; border-radius:5px; }