/* General Styles */
body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
    background-color: #fff;
    font-weight: 300; 
}

h1, h2, h3 {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 300;
    letter-spacing: 0.02em;
}

h1 {
    font-size: 2.5em;
}

h2 {
    font-size: 2em;
}

/* Header Styles */
header.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2em 4em;
    border-bottom: 1px solid #ddd;
}

header .logo h1 {
    font-size: 1.5em;
    font-weight: 350;
    margin: 0;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

header .site-navigation ul {
    list-style: none;
    display: flex;
    gap: 1.5em;
    margin: 0;
    padding: 0;
}

header .site-navigation ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 300;
    position: relative;
}

/* Hero Section Styles */
.hero-section {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2em;
}

.hero-image {
    max-width: 100%;
    height: auto;
    max-height: 400px;
}

/* Work Section Styles */
.work-section {
    padding: 2em;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1em;
    margin: 0 auto;
    max-width: 1200px;
}

.work-item {
    position: relative;
    overflow: hidden;
}

.work-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

.work-item a {
    display: block;
    position: relative;
}

.work-item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s, background 0.3s;
    text-align: center;
    padding: 1em;
    box-sizing: border-box;
}

.work-item .overlay p {
    margin: 0;
    font-size: 1.5em;
    color: #333;
}

.work-item:hover .overlay {
    background: rgba(255, 255, 255, 0.8);
    opacity: 1;
}

.work-item:focus .overlay {
    background: rgba(255, 255, 255, 0.8);
    opacity: 1;
}

/* Footer Styles */
footer.site-footer {
    text-align: center;
    padding: 1em;
    border-top: 1px solid #ddd;
}

footer .social-links {
    display: flex;
    justify-content: center;
    gap: 1em;
}

footer .social-links p {
    text-decoration: none;
    font-weight: 300;
    color: #333;
}

/* Paper Section Styles */
.paper-section {
    padding: 2em;
    padding-top: 1em;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.blog-section {
    text-align: left;
    width: 70%;
    margin: 0 auto;
}


.pdf-container {
    width: 100%;
    max-width: 800px; 
    margin: 0 auto;
    overflow: hidden; 
}

.pdf-viewer {
    width: 100%;
    height: 600px;
    border: none;
}

@media (max-width: 768px) {
    .pdf-viewer {
        height: 400px; 
    }
}

.paper-section a {
    color: #007BFF;
    text-decoration: none;
    font-weight: 300;
    transition: color 0.3s;
}

.paper-section a:hover {
    color: #0056b3;
}

/* Image Container Styles */
.image-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.image-container img {
    width: 100%;
    height: auto;
    border: 1px solid #ddd;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* Video Section Styles */
.video-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

video {
    width: 100%;
    height: auto;
    border: 1px solid #ddd;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}