body{margin:0;font-family:Arial,sans-serif;background:#f3f3f3;color:#333;height:100%;display:flex;flex-direction:column;min-height:100vh}header.header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.1)}header h1{color:#0070f3}header nav ul{display:flex;gap:1rem;list-style:none;margin:0;padding:0}header nav a{text-decoration:none;color:#333}main.container{max-width:900px;margin:auto;padding:2rem}.home{text-align:center;padding:3rem 1rem}.home h1{font-size:2.5rem;margin-bottom:1rem}.home p{font-size:1.2rem;margin-bottom:2rem}.btn{background:#0070f3;color:#fff;padding:.8rem 1.5rem;border-radius:5px;text-decoration:none}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:1.5rem;gap:1.5rem}.card{background:#fff;padding:1.2rem;border-radius:8px;box-shadow:0 2px 5px rgba(0,0,0,.1)}.contact form{display:flex;flex-direction:column;gap:1rem}.contact input,.contact textarea{padding:.8rem;border:1px solid #ccc;border-radius:5px}.contact button{background:#0070f3;color:#fff;padding:.8rem;border:none;border-radius:5px;cursor:pointer}footer.footer{background:#222;color:#ddd;text-align:center;padding:1rem;margin-top:2rem}