*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Noto Sans','Apple Color Emoji','Segoe UI Emoji';line-height:1.6;color:#0f172a;background:#f8fafc}
.container{max-width:980px;margin-inline:auto;padding:1rem}
header{background:#ffffffcc;backdrop-filter:saturate(180%) blur(10px);position:sticky;top:0;border-bottom:1px solid #e2e8f0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.brand{font-weight:700;text-decoration:none;color:#0f172a;font-size:1.1rem}
.menu{list-style:none;display:flex;gap:1rem;margin:0;padding:0}
.menu a{text-decoration:none;color:#334155}
.menu-btn{display:none;font-size:1.25rem;background:none;border:none}
.hero{padding:3rem 1rem;text-align:center}
.hero h1{font-size:clamp(2rem,5vw,3rem);margin:.25rem 0}
.btn{display:inline-block;padding:.75rem 1rem;border-radius:.75rem;border:1px solid #0ea5e9;text-decoration:none;color:#0ea5e9}
.btn:hover{background:#0ea5e9;color:#fff}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:1rem;padding:1rem;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.field{display:flex;flex-direction:column;margin:.75rem 0}
input,textarea{padding:.6rem .7rem;border:1px solid #cbd5e1;border-radius:.6rem;background:#fff}
.muted{color:#64748b;font-size:.9rem}
footer{border-top:1px solid #e2e8f0;margin-top:2rem;text-align:center;padding:2rem 1rem}
@media (max-width:800px){.grid{grid-template-columns:1fr}.menu{display:none;flex-direction:column;align-items:flex-end;background:#fff;position:absolute;right:1rem;top:3.25rem;padding:1rem;border:1px solid #e2e8f0;border-radius:.75rem;box-shadow:0 10px 20px rgba(0,0,0,.06)}.menu-btn{display:block}}