:root{
  --bg:#ffffff;
  --fg:#0a0a0a;
  --muted:#666;
  --accent:#1f6feb;
  --border:#e5e7eb;
  --maxw:960px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
header,footer{border-bottom:1px solid var(--border)}
footer{border-top:1px solid var(--border);border-bottom:none}
.container{max-width:var(--maxw);margin:0 auto;padding:1.2rem}
nav{display:flex;align-items:center;justify-content:space-between;gap:1rem}
nav .brand{display:flex;align-items:center;gap:.6rem}
nav img.logo{width:28px;height:28px}
nav .links a{margin-left:1rem}
.hero{padding:4rem 1.2rem;background:linear-gradient(180deg,#fff, #f8fafc)}
.hero .wrap{max-width:var(--maxw);margin:0 auto}
h1{font-size:2rem;line-height:1.2;margin:.5rem 0 1rem}
h2{font-size:1.5rem;margin:2rem 0 1rem}
p.lead{font-size:1.125rem;color:var(--muted);max-width:60ch}
.cta{display:flex;gap:.8rem;margin-top:1rem;flex-wrap:wrap}
.btn{display:inline-block;border:1px solid var(--accent);padding:.6rem 1rem;border-radius:.5rem}
.btn.primary{background:var(--accent);color:#fff}
.section{padding:2rem 1.2rem;border-top:1px solid var(--border)}
.section .wrap{max-width:var(--maxw);margin:0 auto}
.grid{display:grid;grid-template-columns:1fr;gap:1rem}
.card{border:1px solid var(--border);border-radius:.6rem;padding:1rem;background:#fff}
.small{color:var(--muted);font-size:.95rem}
code.inline{background:#f3f4f6;padding:.15rem .3rem;border-radius:.25rem;border:1px solid #e5e7eb}
form{max-width:560px}
label{display:block;margin:.8rem 0 .4rem}
input,textarea{width:100%;padding:.7rem;border:1px solid var(--border);border-radius:.4rem}
button{padding:.7rem 1rem;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:.5rem;cursor:pointer}
button.secondary{background:#fff;color:var(--accent)}
footer .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}
.badge{font-size:.85rem;color:var(--muted)}
.kicker{font-size:.9rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
@media (min-width:740px){
  .grid{grid-template-columns:repeat(3,1fr)}
  h1{font-size:2.4rem}
}