:root{--escuro: #111111;--cinza: #cfcfcf;--cinza-escuro: #8a8a8a;--branco: #ffffff;font-family:Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--branco);background:var(--escuro);line-height:1.6}*{box-sizing:border-box}body{margin:0}.pagina{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(circle at 50% 40%,rgba(255,255,255,.06),transparent 60%),var(--escuro)}.centro{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 20px}.logo{width:200px;height:auto;clip-path:ellipse(50% 50%);margin-bottom:28px}h1{margin:0 0 8px;font-size:clamp(1.8rem,5vw,2.6rem);letter-spacing:.04em}.descricao{margin:0 0 32px;color:var(--cinza);max-width:460px}.btn{display:inline-block;padding:.75em 1.8em;border:2px solid var(--branco);border-radius:8px;background:var(--branco);color:var(--escuro);font-weight:600;text-decoration:none;transition:background .15s,border-color .15s}.btn:hover{background:var(--cinza);border-color:var(--cinza)}.contato{margin:24px 0 0}.contato a{color:var(--cinza)}.rodape{padding:20px;text-align:center;font-size:.85rem;color:var(--cinza-escuro)}