@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');
body {
   margin: 0;
   height: 100vh;
   display: flex;
   align-items: center;
   justify-content: center;
   background: #0a192f;
   color: #ccd6f6;
   font-family: 'Montserrat', sans-serif;
   flex-direction: column;
   text-align: center;
   padding: 20px;
}
h1 {
   font-size: 3rem;
   margin-bottom: 0.5rem;
   font-weight: 700;
}
p {
   font-size: 1.25rem;
   color: #8892b0;
   margin-bottom: 2rem;
}
.logo {
   width: 120px;
   height: 120px;
   margin-bottom: 1.5rem;
   background: linear-gradient(135deg, #00bcd4, #2196f3);
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
   font-weight: 700;
   font-size: 3rem;
   color: white;
   user-select: none;
   box-shadow: 0 0 15px rgba(0, 188, 212, 0.7);
   font-family: 'Montserrat', sans-serif;
}
footer {
   position: absolute;
   bottom: 15px;
   font-size: 0.9rem;
   color: #52607c;
   font-style: italic;
}