body {
    font-family: 'Google Sans', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

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

.hero {
    padding: 40px 0;
}

.title-section {
    text-align: center;
    margin-bottom: 30px;
}

.main-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1;
    color: #333;
}

.title-logo {
    height: 2.2em;
    vertical-align: middle;
    margin-right: 15px;
    margin-bottom: 8px;
}

.author-container {
    font-size: 1.2rem;
    margin-top: 15px;
}

/* Pull Figure Section */
.pull-figure-section {
    margin: 40px 0;
}

.pull-figure-container {
    width: 70%;
    max-width: 1000px;
    margin: 0 auto;
}

.pull-figure-image {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.pull-figure-caption {
    font-size: 1rem;
    text-align: justify;
    margin: 20px 0;
    line-height: 1.4;
    color: #2c2c2c;
    font-family: 'Google Sans', sans-serif;
}

/* Gray Background Section */
.gray-section {
    background-color: #f5f5f5;
    padding: 50px 0;
    margin: 0;
}

/* White Background Section */
.white-section {
    background-color: #ffffff;
    padding: 50px 0;
    margin: 0;
}

.video-section {
    margin: 40px auto;
    width: 70%;
    max-width: 1000px;
}

.video-container {
    width: 100%;
    margin: 0 auto;
}

.main-video {
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.content-section {
    margin: 40px auto;
    width: 70%;
    max-width: 1000px;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #333;
    line-height: 1.2;
}

.centered-title {
    text-align: center;
}

.abstract-text {
    font-size: 1rem;
    text-align: justify;
    max-width: 100%;
    margin: 0 auto;
    line-height: 1.4;
    color: #2c2c2c;
    font-family: 'Google Sans', sans-serif;
}

hr.rounded {
    background: #cbcbcb;
    border-radius: 15px;
    height: 2px;
    width: 100%;
    margin: 0;
    border: none;
}

footer {
    background-color: #f9f9f9;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
    color: #555;
}

.footer-content {
    max-width: 900px;
    margin: 0 auto;
}

.method-image {
    max-width: 100%;
    margin: 20px auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.pdf-container {
    width: 90%;
    margin: 20px auto;
}

.pdf-container object {
    width: 100%;
    height: 500px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.method-text {
    font-size: 1rem;
    text-align: justify;
    max-width: 100%;
    margin: 20px 0;
    line-height: 1.4;
    color: #2c2c2c;
    font-family: 'Google Sans', sans-serif;
}

.rows {
    margin: 30px auto;
    width: 70%;
    max-width: 1000px;
    box-sizing: border-box;
}

.overview-title {
    text-align: left;
    font-size: 2.3rem;
    margin-bottom: 25px;
    margin-left: 0;
    color: #333;
    font-family: 'Google Sans', sans-serif;
    line-height: 1.15;
}

.title {
    color: #333;
}

.content.has-text-justified {
    text-align: justify;
}

/* Image Grid */
.image-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px 0;
}

.image-item {
    flex: 1;
    min-width: calc(33% - 20px);
    max-width: calc(33% - 20px);
    text-align: center;
}

.grid-image {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
}

.image-caption {
    font-size: 1.1rem;
    font-weight: 500;
    color: #333;
    margin-top: 10px;
    font-family: 'Google Sans', sans-serif;
}

/* Make the grid responsive */
@media (max-width: 768px) {
    .image-grid {
        flex-direction: column;
    }
    
    .image-item {
        min-width: 100%;
        max-width: 100%;
        margin-bottom: 25px;
    }
}

.demo-video-section {
    margin: 40px auto;
    width: 70%;
    max-width: 1000px;
}

.demo-video-section .video-container {
    width: 100%;
    margin: 0 auto;
}

.demo-video-section .main-video {
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

/* Video Grid */
.video-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px 0;
}

.video-item {
    flex: 1;
    min-width: calc(33% - 20px);
    max-width: calc(33% - 20px);
    text-align: center;
}

.video-item .video-container {
    width: 100%;
    margin: 0 auto;
}

.video-item .main-video {
    width: 100%;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.video-caption {
    font-size: 1.1rem;
    font-weight: 500;
    color: #333;
    margin-top: 15px;
    font-family: 'Google Sans', sans-serif;
}

/* Make the video grid responsive */
@media (max-width: 768px) {
    .video-grid {
        flex-direction: column;
    }
    
    .video-item {
        min-width: 100%;
        max-width: 100%;
        margin-bottom: 25px;
    }
}

/* Task Section Styles */
.task-section {
    margin: 40px 0;
}

.task-title {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

/* Slideshow container */
.slideshow-container {
    position: relative;
    margin: auto;
    padding-top: 10px;
    width: 100%;
}

/* Hide the images by default */
.mySlides {
    display: none;
}

/* Next & previous buttons */
.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    margin-top: -22px;
    padding: 16px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    background-color: rgba(0, 0, 0, 0.3);
}

/* Position the "next button" to the right */
.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

/* Caption text */
.text {
    color: #f2f2f2;
    font-size: 15px;
    padding: 8px 12px;
    position: absolute;
    bottom: 8px;
    width: 100%;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.4);
}

/* The dots/bullets/indicators */
.dots-container {
    text-align: center;
    margin-top: 15px;
}

.dot {
    cursor: pointer;
    height: 12px;
    width: 12px;
    margin: 0 4px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.active, .dot:hover {
    background-color: #717171;
}

/* Fading animation */
.fade {
    animation-name: fade;
    animation-duration: 1.5s;
}

@keyframes fade {
    from {opacity: .4} 
    to {opacity: 1}
}

/* Make the slideshow responsive */
@media (max-width: 768px) {
    .slideshow-container {
        width: 100%;
    }
    
    .prev, .next {
        padding: 8px;
        font-size: 14px;
    }
    
    .text {
        font-size: 12px;
    }
}