.error-container{text-align:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:40px;display:flex}.error-content{background:#fff;border-radius:24px;max-width:600px;padding:60px 40px;box-shadow:0 20px 60px #0000004d}.error-code{background:linear-gradient(135deg,#06f 0%,#7c3aed 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:20px;font-family:Space Grotesk,sans-serif;font-size:120px;font-weight:800;line-height:1}.error-title{color:#0a0a0a;margin-bottom:16px;font-family:Space Grotesk,sans-serif;font-size:32px;font-weight:700}.error-message{color:#737373;margin-bottom:40px;font-size:18px;line-height:1.6}.error-btn{color:#fff;background:#0a0a0a;border-radius:50px;padding:16px 40px;font-weight:600;text-decoration:none;transition:transform .3s,box-shadow .3s;display:inline-block}.error-btn:hover{transform:translateY(-3px);box-shadow:0 15px 40px #00000040}