/* Smooth Navy & Grey Gradient */
body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0D1B2A, #1B263B, #415A77);
    background-size: 300% 300%;
    animation: gradientBG 12s ease infinite;
    color: #E0E1DD;
    text-align: center;
}

/* Animated Background */
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Elegant Overlay Box */
.overlay {
    background: rgba(255, 255, 255, 0.1);
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

/* Text Styling */
h1 {
    font-size: 2.8em;
    margin-bottom: 10px;
    font-weight: 600;
    color: #E0E1DD;
}

p {
    font-size: 1.4em;
    opacity: 0.9;
}

/* Smooth Fade-in Animation */
.fade-in {
    opacity: 0;
    animation: fadeIn 1.5s ease-in forwards;
}

/* Text Fade-in Animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}