:root{--accent:#020704}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Arial,Apple Color Emoji,Segoe UI Emoji}a{color:var(--accent);text-decoration:none}h1,h2,h3{line-height:1.2}img{max-width:100%;height:auto}.container{max-width:64rem;margin:0 auto;padding:1rem}.btn{background:var(--accent);color:#fff;border-radius:.5rem;padding:.75rem 1rem;font-weight:600;display:inline-block}.card{border:1px solid #e5e7eb;border-radius:.75rem;padding:1rem}.grid{gap:1rem;display:grid}@media (min-width:768px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}