:root{--primary-color:#0070f3;--secondary-color:#f0f8ff;--text-color:#1a1a1a;--light-text:#555;--white:#fff}html,body{width:100%;height:100%;margin:0;padding:0}body{color:var(--text-color);background-color:var(--white);font-family:Roboto,-apple-system,BlinkMacSystemFont,Segoe UI,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6}.centered-page{text-align:center;background:linear-gradient(135deg,var(--secondary-color)0%,#e6f3ff 100%);box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:100vh;margin:0;padding:2rem;display:flex;position:relative}.centered-page h1{color:var(--primary-color);margin-bottom:1.5rem;font-size:clamp(1.8rem,4vw,2.5rem);font-weight:600;line-height:1.2}.centered-page p{color:var(--light-text);max-width:600px;margin:0 auto 2rem;font-size:clamp(1rem,2.5vw,1.2rem);line-height:1.6}.btn{background-color:var(--primary-color);color:var(--white);cursor:pointer;text-transform:uppercase;letter-spacing:.5px;border:none;border-radius:8px;padding:.8rem 1.5rem;font-size:clamp(.9rem,2vw,1rem);font-weight:600;transition:all .2s;display:inline-block;box-shadow:0 2px 5px #0000001a}.btn:hover{background-color:#05c;transform:translateY(-2px);box-shadow:0 4px 8px #00000026}@media (max-width:768px){.centered-page{padding:1.5rem}.centered-page h1{font-size:2rem}.centered-page p{font-size:1rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.centered-page{animation:.6s ease-out fadeIn}