/* Dark theme base styles */
   body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #121212; /* Dark background */
    color: #e0e0e0; /* Light text color */
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

main.container {
    width: 90%; /* Use percentage for better responsiveness */
    max-width: 600px;
    background: #1e1e1e; /* Darker card background */
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    padding: 30px 25px 40px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 2.5rem; /* Base font size */
    color: #ffffff; /* White text for heading */
    text-align: center;
}

.contact-info {
    list-style: none;
    padding: 0;
    margin: 0 0 40px;
    width: 100%;
    font-size: 1.1rem; /* Base font size */
    line-height: 1.6;
}

.contact-info li {
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    color: #e0e0e0; /* Light text color for list items */
}

.contact-info li i {
    margin-right: 12px;
    font-size: 1.3rem;
    color: #4caf50; /* Green icon color */
    min-width: 28px;
    text-align: center;
}

.contact-info a {
    color: #81c784; /* Light green link color */
    text-decoration: none;
    word-break: break-word;
}

.contact-info a:hover,
.contact-info a:focus {
    text-decoration: underline;
}

span {
    padding: 23px;
}

/* Back to home button container */
.back-home-container {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* Green themed back to home button */
.back-home-btn {
    background: linear-gradient(135deg, #4caf50, #388e3c); /* Dark green gradient */
    color: white;
    padding: 14px 36px;
    font-size: 1.1rem; /* Base font size */
    font-weight: 700;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 0 12px #4caf50;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    user-select: none;
    text-decoration: none;
    display: inline-block;
    max-width: 300px;
    width: 100%;
    text-align: center;
}

.back-home-btn:hover,
.back-home-btn:focus {
    background: linear-gradient(135deg, #388e3c, #2e7d32); /* Darker green on hover */
    box-shadow: 0 0 24px #4caf50;
    transform: scale(1.05);
    outline: none;
    color: white;
    text-decoration: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem; /* Slightly smaller for medium screens */
    }
    .contact-info {
        font-size: 1.05rem; /* Slightly smaller for medium screens */
    }
    .back-home-btn {
        padding: 12px 30px; /* Adjust padding for medium screens */
        font-size: 1rem; /* Adjust font size for medium screens */
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem; /* Smaller for small screens */
    }
    .contact-info {
        font-size: 1rem; /* Smaller for small screens */
    }
    .back-home-btn {
        padding: 12px 25px; /* Adjust padding for small screens */
        font-size: 1rem; /* Adjust font size for small screens */
        max-width: 100%; /* Ensure full width on small screens */
    }
}