html,body{padding:0;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}main{max-width:800px;margin:0 auto;padding:0 1rem}a{color:inherit;text-decoration:none}*{box-sizing:border-box}img{max-width:300px;border-radius:12px;margin-bottom:32px}.primary-button{background:#2960db;color:#fff;padding:16px 32px;font-size:16px;border:none;border-radius:50px;cursor:pointer;display:inline-block;transition:background-color .3s,box-shadow .3s;text-transform:uppercase;font-weight:700;letter-spacing:.05rem;box-shadow:0 4px 6px #32325d1c,0 1px 3px #00000014}.primary-button:hover,.primary-button:focus{background:#3970d8;box-shadow:0 7px 14px #32325d1a,0 3px 6px #00000014}.primary-button:active{background-color:#2960db;box-shadow:inset 0 2px 2px #00000008}.primary-button:disabled{background-color:#a2b9e1;color:#ddd;cursor:not-allowed;box-shadow:none}main{min-height:100vh;padding:4rem 2rem;flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center}.title{margin:0;line-height:1.15;font-size:4rem}.title,.description{text-align:center}.description{margin:4rem 0;line-height:1.5;font-size:1.5rem}.code{background:#fafafa;border-radius:5px;padding:.75rem;font-size:1.1rem;font-family:Menlo,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,Courier New,monospace}.grid{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;max-width:800px}.card{margin:1rem;padding:1.5rem;text-align:left;color:inherit;text-decoration:none;border:1px solid #eaeaea;border-radius:10px;transition:color .15s ease,border-color .15s ease;max-width:300px}.card:hover,.card:focus,.card:active{color:#0070f3;border-color:#0070f3}.card h2{margin:0 0 1rem;font-size:1.5rem}.card p{margin:0;font-size:1.25rem;line-height:1.5}@media (max-width: 600px){.grid{width:100%;flex-direction:column}}.contact-section{margin:2rem 0;text-align:center}.contact-section h2{font-size:2rem;margin-bottom:1rem;color:#333}.contact-links{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:2rem}.social-links{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.social-button{background:#1877f2;color:#fff;padding:12px 24px;font-size:14px;border:none;border-radius:8px;cursor:pointer;display:inline-block;transition:background-color .3s;text-decoration:none;font-weight:500}.social-button:hover{background:#166fe5}.social-button:nth-child(2){background:#E4405F}.social-button:nth-child(2):hover{background:#d73559}.back-link{color:#2960db;text-decoration:none;font-size:1.1rem;margin-top:2rem;display:inline-block}.back-link:hover{text-decoration:underline}@media (max-width: 600px){.contact-links,.social-links{flex-direction:column;align-items:center}.primary-button,.social-button{width:200px;text-align:center}}