/* Reset default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Spreadsheet background */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(#ccc 1px, transparent 1px),
        linear-gradient(90deg, #ccc 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: -2;
}

/* Vignette effect */
body::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, transparent 20%, rgba(0,0,0,0.2) 100%);
    z-index: -1;
}

.container {
    text-align: center;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #34495e;
}

p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #7f8c8d;
}

form {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

input[type="email"] {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    border: 1px solid #bdc3c7;
    border-radius: 4px 0 0 4px;
    width: 250px;
}

button {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2980b9;
}

footer {
    margin-top: 2rem;
    text-align: center;
}

.social-icons {
    margin-bottom: 1rem;
}

footer p {
    font-size: 0.8rem;
    color: #95a5a6;
}

/* Responsive design */
@media (max-width: 600px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    p {
        font-size: 1rem;
    }

    form {
        flex-direction: column;
        align-items: center;
    }

    input[type="email"] {
        width: 100%;
        margin-bottom: 1rem;
        border-radius: 4px;
    }

    button {
        width: 100%;
        border-radius: 4px;
    }
}