/* ==================== Global ==================== */

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #222;
    background: #ffffff;
    line-height: 1.6;
}


.container {
    width: 100%;
    max-width: 1200px;
    box-sizing: border-box;
    margin: 0 auto;
    padding: 30px 25px;
}


/* ==================== Hero ==================== */

.hero {
    text-align: center;
    padding: 40px 0 30px 0;
}


.hero h1 {
    font-size: 48px;
    margin-bottom: 10px;
}


.hero h2 {
    font-size: 24px;
    font-weight: normal;
    margin-top: 0;
}


.authors {
    font-size: 18px;
    margin-top: 20px;
}


.affiliation {
    margin-top: 6px;
    color: #666;
}


/* ==================== Buttons ==================== */

.links {
    margin-top: 25px;
}


.button {
    display: inline-block;

    margin: 5px;
    padding: 9px 18px;

    background: #333;
    color: white;

    text-decoration: none;

    border-radius: 6px;

    transition: 0.2s;
}


.button:hover {
    background: #666;
}


/* ==================== Sections ==================== */

section {
    margin-top: 55px;
}


.hero,
.container > section:not(#experimental-validation),
footer {
    width: 100%;
    max-width: 1000px;
    box-sizing: border-box;
    margin-right: auto;
    margin-left: auto;
}


section h2 {
    text-align: center;
    font-size: 30px;
    margin-bottom: 25px;
}


.section-description {
    max-width: 800px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
    color: #555;
}


/* ==================== Images ==================== */

.main-image {
    display: block;
    width: 100%;
    max-width: 900px;

    margin: 0 auto;

    border-radius: 6px;
}


.caption {
    text-align: center;
    font-size: 14px;
    color: #666;

    margin-top: 10px;
}


/* ==================== Experimental Validation ==================== */

.experiment-block {
    width: 100%;
    max-width: 1100px;
    margin: 55px auto 0;
}

.experiment-title {
    margin: 0 0 20px;
    text-align: center;
    font-size: 24px;
}

.experiment-text {
    max-width: 1000px;
    margin: 20px auto 0;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    width: 100%;
    max-width: 1080px;
    margin: 28px auto 0;
}

.media-card {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 340px;
    min-width: 0;
    box-sizing: border-box;
    justify-self: center;
    margin: 0;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #fff;
    text-align: center;
}

.linked-media {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
}

.linked-media img {
    display: block;
    width: 100%;
    margin: 0 auto;
    border-radius: 7px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.linked-media:hover img,
.linked-media:focus-visible img {
    transform: translateY(-5px);
    box-shadow: 0 9px 22px rgba(0, 0, 0, 0.2);
}

.linked-media:focus-visible {
    outline: 2px solid #555;
    outline-offset: 4px;
}

.hardware-grid .media-card img {
    max-width: 310px;
    aspect-ratio: 16 / 10;
    object-fit: contain;
    background: #f5f5f5;
}

.scenario-grid .media-card img {
    max-width: 300px;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    background: #f5f5f5;
}

.media-card figcaption {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.7em;
    margin-top: 14px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.hardware-grid .media-card figcaption {
    min-height: auto;
}

.comparison-table {
    display: block;
    width: 100%;
    max-width: 1000px;
    height: auto;
    margin: 0 auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
}

.scenario-table {
    margin-top: 40px;
}


/* ==================== Citation ==================== */

pre {
    background: #f5f5f5;

    padding: 20px;

    overflow-x: auto;

    border-radius: 6px;
}


/* ==================== Footer ==================== */

footer {
    text-align: center;

    margin-top: 60px;
    padding-top: 20px;

    border-top: 1px solid #ddd;

    color: #777;
}


/* ==================== Mobile ==================== */

@media (max-width: 850px) {

    .media-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        max-width: 700px;
    }

}


@media (max-width: 560px) {

    .hero h1 {
        font-size: 36px;
    }

    .media-grid {
        grid-template-columns: 1fr;
    }

    .media-card {
        max-width: 360px;
    }

}