/* Basic Reset & Body Styling (remains the same) */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f0f2f5; /* Light grey background */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh; /* Full viewport height */
    color: #333; /* Darker text for readability */
    line-height: 1.6;
}

/* Main Container for Content (remains the same) */
.container {
    background-color: #ffffff; /* White background for the content area */
    padding: 40px 30px;
    border-radius: 12px; /* Slightly more rounded corners for the container */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); /* Soft shadow for depth */
    text-align: center;
    max-width: 500px; /* Limit width for better readability on large screens */
    width: 90%; /* Responsive width */
}

/* Headings & Paragraphs (remain the same) */
h1 {
    color: #2c3e50; /* Darker blue-grey for headings */
    margin-bottom: 10px;
    font-size: 2.2em; /* Larger heading */
}

p {
    color: #555;
    margin-bottom: 30px;
    font-size: 1.1em;
}

/* --- MODIFIED: Social Links Section for GRID Layout --- */
.social-links {
    display: grid; /* Change to grid display */
    grid-template-columns: 1fr; /* Default to 1 column on small screens */
    gap: 15px; /* Space between grid items (buttons) */
    margin-top: 20px;
    /* Removed flex-direction: column; from here */
}

.social-links a {
    /* These styles remain the same for how individual buttons look */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.social-links a i {
    margin-right: 10px;
    font-size: 1.4em;
}

/* Specific Button Styles (Colors - remain the same) */
.social-links a.linkedin {
    background-color: #0077B5;
    color: #ffffff;
}

.social-links a.linkedin:hover {
    background-color: #005f91;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.social-links a.orcid {
    background-color: #A6CE39;
    color: #ffffff;
}

.social-links a.orcid:hover {
    background-color: #8BB02D;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.social-links a.github {
    background-color: #4078c0;
    color: #ffffff;
}

.social-links a.github:hover {
    background-color: #3664A3;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.social-links a.scholar {
    background-color: #4285F4;
    color: #ffffff;
}

.social-links a.scholar:hover {
    background-color: #3367D6;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* --- MODIFIED: Media Queries for Responsive Grid --- */
@media (min-width: 480px) { /* On screens wider than 480px */
    .social-links {
        /* This creates a responsive grid:
           - It will try to fit as many columns as possible
           - Each column will be at least 180px wide
           - Each column will take up an equal fraction (1fr) of the remaining space
           This is great for 2 or 3 buttons side-by-side if there's enough room.
        */
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

/* General Media Queries (remain the same) */
@media (max-width: 600px) {
    .container {
        padding: 30px 20px;
    }

    h1 {
        font-size: 1.8em;
    }

    p {
        font-size: 1em;
    }

    .social-links a {
        padding: 12px 20px;
        font-size: 1em;
    }
}