/* css styles */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    /* border: 10px solid lime !important; Temporary diagnostic style removed */
}

.hero {
    background-color: #4b4b4b; /* Light gray background */
    position: relative; /* Needed for z-indexing if using pseudo-elements for opacity */
    padding: 40px 20px; /* Adjusted padding */
    text-align: center;
    overflow: hidden; /* Ensures pseudo-elements don't overflow */
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('assets/Banner4.gif');
    background-size: cover; /* Or 'contain', 'auto', etc. based on preference */
    background-position: center;
    background-repeat: no-repeat; /* Or 'repeat' if desired */
    opacity: 0.8; /* 50% transparency for the background image */
    z-index: 1; /* Ensure it's behind the content */
}

.hero-content {
    position: relative; /* Ensure content is above the pseudo-element */
    z-index: 2; /* Higher z-index than the ::before pseudo-element */
    display: flex;
    flex-direction: column; /* Stack image and text vertically by default */
    align-items: center;
    justify-content: center;
    gap: 20px; /* Space between image and text */
}

.hero-image {
    width: 150px;
    height: 150px;
    border-radius: 50%; /* Makes the image circular */
    object-fit: cover; /* Ensures the image covers the area without distortion */
    border: 4px solid #ade8f4; /* A light border, matching subtitle color */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25); /* Subtle shadow for depth */
}

/* Responsive adjustments for hero section */
@media (min-width: 768px) {
    .hero-content {
        flex-direction: row; /* Image and text side-by-side on larger screens */
        gap: 30px; /* Increased gap for wider layout */
    }

    .hero-image {
        width: 180px; /* Slightly larger image on wider screens */
        height: 180px;
    }

    .hero-text h2 {
        font-size: 2em; /* Larger text on wider screens */
        text-align: left; /* Align text to the left when side-by-side */
    }
}


.hero h1 { /* This style was for a potential main name heading, can be kept or removed */
    margin: 0;
    font-size: 3em;
    font-weight: bold;
}

/* Keep existing .hero h2 if it was meant for a different element or as a fallback */
/* The .hero-text h2 is now more specific for the tagline */
.hero h2 { /* General h2 in hero, if not in hero-text */
    margin: 10px 0 0;
    font-size: 1.5em;
    font-weight: normal;
    color: #ade8f4; 
    text-shadow: 3px 3px 9px rgba(0, 0, 0, 0.9); /
}

.page-container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 15px;
}

.page-container h2 {
    text-align: center;
    color: #003459; /* Dark blue for section titles */
    margin-bottom: 30px;
    font-size: 2.2em;
}

.papers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); /* Responsive grid */
    gap: 25px;
    padding: 0;
    margin: 0;
}

.paper-box {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: flex; /* Use flexbox for internal layout */
    align-items: center; /* Vertically align items in the center */
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.paper-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.paper-image {
    flex: 0 0 120px; /* Fixed width for the image container */
    margin-right: 20px;
}

.paper-image img {
    border-radius: 4px;
    display: block; /* Remove extra space below image */
    max-width: 100%;
    height: auto;
}

.paper-details {
    flex: 1; /* Allow text details to take remaining space */
}

.paper-details h4 {
    margin: 0 0 8px 0;
    font-size: 1.1em;
    color: #0077b6; /* Link-like color for paper titles */
}

.paper-details h4 a {
    text-decoration: none;
    color: inherit;
}

.paper-details h4 a:hover {
    text-decoration: underline;
}

.paper-year {
    font-size: 0.9em;
    color: #555;
    margin: 0;
}

/* Different background colors for paper boxes */
.paper-box.color1 {
    border-left: 5px solid #94d2bd; /* Light seafoam green */
}

.paper-box.color2 {
    border-left: 5px solid #ee9b00; /* Orange */
}

.paper-box.color3 {
    border-left: 5px solid #ae2012; /* Dark red */
}