:root {
    --color-text: #2f3136;
    --color-muted: #626873;
    --color-border: #d9dde4;
    --color-panel: #f4f5f7;
    --color-panel-strong: #eceff3;
    --color-link: #22252a;
    --color-button: #2f3136;
    --color-button-hover: #b83232;
    --color-accent: #b83232;
    --color-gold: #c59a35;
    --color-blue: #2e6f9e;
    --font-body: "Open Sans", Arial, sans-serif;
    --font-title: "Varela Round", "Open Sans", Arial, sans-serif;
    --content-width: 960px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100%;
    margin: 0;
    padding: 32px;
    background: #ffffff;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0;
}

a {
    color: var(--color-link);
    text-decoration: underline;
    text-underline-offset: 3px;
}

a:hover {
    color: var(--color-accent);
}

img {
    display: block;
    width: 100%;
    height: auto;
}

button,
.button-link {
    min-height: 34px;
    border: 0;
    border-radius: 4px;
    background: var(--color-button);
    color: #ffffff;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 160ms ease, transform 160ms ease;
}

button:hover,
.button-link:hover {
    background: var(--color-button-hover);
    color: #ffffff;
}

button:focus-visible,
.button-link:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(46, 111, 158, 0.32);
    outline-offset: 3px;
}

.page-header {
    max-width: var(--content-width);
    margin: 0 auto;
    text-align: center;
}

.title {
    margin: 0;
    font-family: var(--font-title);
    color: #4d4d4d;
    font-size: 54px;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: 0;
}

.subtitle-lines {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 12px;
    margin-top: 10px;
}

.subtitle-lines p {
    margin: 0;
    color: #23262b;
    font-size: 25px;
    line-height: 1.45;
    font-weight: 500;
    letter-spacing: 0;
}

.author-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
    margin-top: 10px;
    font-size: 16px;
}

.author-row span {
    color: var(--color-muted);
    font-weight: 600;
}

.affiliation {
    margin: 12px 0 0;
    font-size: 16px;
    font-weight: 500;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 22px;
}

.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 14px;
}

.project-expansion {
    margin: 20px 0 0;
    color: #23262b;
    font-size: 16px;
}

.section {
    max-width: var(--content-width);
    margin: 42px auto 0;
}

.hero-section {
    margin-top: 34px;
}

.tldr {
    margin: 0 0 22px;
    color: #23262b;
    font-size: 18px;
    line-height: 1.45;
    font-weight: 500;
    letter-spacing: 0;
}

.media-frame {
    margin: 0;
}

.media-frame img,
.media-frame video {
    display: block;
    width: 100%;
    max-height: 620px;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: #000000;
}

figcaption {
    margin-top: 8px;
    color: var(--color-muted);
    font-size: 13px;
    line-height: 1.4;
    text-align: center;
}

.paragraph {
    margin: 22px 0 0;
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.55;
}

.section-heading {
    margin: 0 0 18px;
    color: #23262b;
    font-size: 25px;
    line-height: 1.25;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0;
}

.overview-grid,
.pipeline-grid {
    display: grid;
    gap: 16px;
}

.overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.overview-item {
    min-height: 178px;
    padding: 18px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #ffffff;
}

.overview-item i {
    color: var(--color-accent);
    font-size: 28px;
}

.overview-item:nth-child(2) i {
    color: var(--color-blue);
}

.overview-item:nth-child(3) i {
    color: var(--color-gold);
}

.overview-item h3 {
    margin: 10px 0 6px;
    color: #23262b;
    font-size: 18px;
    line-height: 1.3;
}

.overview-item p {
    margin: 0;
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.5;
}

.pipeline-grid figure,
.architecture-figure {
    margin: 0;
}

.display-ui-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.75fr);
    gap: 20px;
    align-items: start;
}

.display-ui-media {
    min-width: 0;
    margin: 0;
}

.display-ui-media video {
    display: block;
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #000000;
}

.interaction-flow {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.interaction-flow li {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    padding: 13px 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #ffffff;
}

.flow-index {
    display: inline-flex;
    width: 38px;
    height: 30px;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: var(--color-panel-strong);
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.interaction-flow h3 {
    margin: 0;
    color: #23262b;
    font-size: 15px;
    line-height: 1.35;
}

.interaction-flow p {
    margin: 4px 0 0;
    color: var(--color-muted);
    font-size: 13px;
    line-height: 1.45;
}

.deployments-section,
.behind-section {
    max-width: 1080px;
}

.section-intro {
    max-width: 760px;
    margin: 0 auto 16px;
    color: var(--color-muted);
    font-size: 16px;
    line-height: 1.55;
    text-align: center;
}

.deployment-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.deployment-card {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(47, 49, 54, 0.07);
}

.deployment-card--featured {
    border-color: rgba(184, 50, 50, 0.34);
}

.deployment-card--pending {
    display: flex;
    min-height: 220px;
    flex-direction: column;
    justify-content: center;
    background: var(--color-panel);
}

.deployment-index {
    margin: 0 0 8px;
    color: var(--color-accent);
    font-size: 13px;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.deployment-card h3 {
    margin: 0;
    color: #23262b;
    font-size: 19px;
    line-height: 1.35;
    letter-spacing: 0;
}

.deployment-card p:not(.deployment-index) {
    margin: 10px 0 0;
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.55;
}

.deployment-notes {
    margin: 12px 0 0;
    padding-left: 18px;
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.5;
}

.deployment-notes li + li {
    margin-top: 4px;
}

.deployment-media {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.deployment-media--pair,
.deployment-media--feature {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.deployment-media figure {
    margin: 0;
}

.deployment-media img,
.deployment-media video {
    width: 100%;
    height: 230px;
    object-fit: contain;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-panel);
}

.results-carousel {
    display: grid;
    grid-auto-columns: minmax(280px, 34%);
    grid-auto-flow: column;
    gap: 16px;
    overflow-x: auto;
    padding: 8px 2px 18px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
}

.results-carousel .item {
    min-width: 0;
    margin: 0;
    padding: 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(47, 49, 54, 0.08);
    scroll-snap-align: start;
    transition: box-shadow 160ms ease, transform 160ms ease;
}

.results-carousel .item:hover {
    box-shadow: 0 14px 32px rgba(47, 49, 54, 0.14);
    transform: translateY(-3px);
}

.results-carousel img {
    height: 250px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--color-border);
}

.results-carousel .subtitle {
    margin: 12px 0 0;
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.45;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0;
}

.split-section {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    gap: 28px;
    align-items: center;
}

.split-section .section-heading {
    text-align: left;
}

.feature-list {
    margin: 18px 0 0;
    padding-left: 22px;
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.6;
}

.feature-list li + li {
    margin-top: 8px;
}

.architecture-figure img {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: #ffffff;
}

.pipeline-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pipeline-grid img {
    height: 210px;
    object-fit: contain;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-panel);
}

.site-footer {
    max-width: var(--content-width);
    margin: 44px auto 0;
    padding-bottom: 10px;
}

.site-footer p {
    margin: 0;
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.5;
}

.site-footer p + p {
    margin-top: 8px;
}

@media (max-width: 820px) {
    body {
        padding: 24px 18px;
    }

    .title {
        font-size: 44px;
    }

    .subtitle-lines p {
        font-size: 21px;
    }

    .overview-grid,
    .deployment-grid,
    .pipeline-grid,
    .split-section,
    .display-ui-layout {
        grid-template-columns: 1fr;
    }

    .interaction-flow {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .overview-item {
        min-height: auto;
    }

    .pipeline-grid img {
        height: auto;
        max-height: 420px;
    }

    .deployment-media--pair,
    .deployment-media--feature {
        grid-template-columns: 1fr;
    }

    .deployment-media img,
    .deployment-media video {
        height: auto;
        max-height: 420px;
    }

    .split-section .section-heading {
        text-align: center;
    }
}

@media (max-width: 520px) {
    body {
        padding: 20px 14px;
        font-size: 15px;
    }

    .title {
        font-size: 38px;
    }

    .subtitle-lines p {
        font-size: 18px;
    }

    .author-row {
        gap: 6px 12px;
        font-size: 15px;
    }

    .action-row {
        align-items: stretch;
        flex-direction: column;
    }

    .button-link {
        width: 100%;
    }

    .section {
        margin-top: 34px;
    }

    .section-heading {
        font-size: 22px;
    }

    .tldr {
        font-size: 16px;
    }

    .results-carousel {
        grid-auto-columns: minmax(260px, 86%);
    }

    .results-carousel .item {
        padding: 12px;
    }

    .results-carousel img {
        height: 220px;
    }

    .interaction-flow {
        grid-template-columns: 1fr;
    }

}