* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 25%, #60a5fa 75%, #ffffff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.container {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.greeting-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 60px 80px;
    text-align: center;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.1),
        0 10px 25px rgba(0, 0, 0, 0.05);
    transform: translateY(0);
    transition: all 0.3s ease;
    max-width: 600px;
    width: 100%;
}

.greeting-box:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.15),
        0 15px 35px rgba(0, 0, 0, 0.08);
}

#greeting-message {
    font-size: 2.5rem;
    font-weight: 500;
    color: #1e3a8a;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

/* Responsive design */
@media (max-width: 768px) {
    .greeting-box {
        padding: 40px 30px;
        margin: 20px;
        border-radius: 15px;
    }
    
    #greeting-message {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .greeting-box {
        padding: 30px 20px;
        margin: 15px;
    }
    
    #greeting-message {
        font-size: 1.75rem;
    }
}

/* Subtle animation for the gradient */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 25%, #60a5fa 75%, #ffffff 100%);
    animation: gradientShift 10s ease infinite;
    z-index: -1;
}

@keyframes gradientShift {
    0%, 100% {
        background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 25%, #60a5fa 75%, #ffffff 100%);
    }
    50% {
        background: linear-gradient(135deg, #1e40af 0%, #2563eb 25%, #3b82f6 75%, #ffffff 100%);
    }
}