/* The fourth project uses the Atmos Check series colour and a waveform study. */
.project-sidechain { grid-column: 1 / -1; }
.sidechain-visual { min-height: 430px; background: #dce6e8; color: #245c68; }
.sidechain-visual .visual-heading { top: 104px; font-size: clamp(32px, 4vw, 58px); line-height: 1.2; }
.sidechain-visual img { position: absolute; width: 70%; max-width: none; left: 35%; top: 108px; transform: rotate(-4deg); border-radius: 3px; }
.sidechain-visual:hover img { transform: rotate(-2deg) translate(-5px, -7px); }
.sidechain-visual .sidechain-caption { position: absolute; left: 29px; bottom: 36px; font-size: 9px; }
html[data-theme="dark"] .sidechain-visual { background: #1c2a31; color: #90c8d0; }
.theme-sidechain .product-heading h1 .serif { color: var(--project-accent); font-weight: 400; }
.theme-sidechain .gallery-slide img { height: min(58vw, 670px); }
@media (max-width: 760px) {
    .sidechain-visual { min-height: 385px; }
    .sidechain-visual .visual-heading { top: 75px; font-size: 35px; }
    .sidechain-visual img { width: 92%; left: 22%; top: 188px; }
    .sidechain-visual .sidechain-caption { display: none; }
    .theme-sidechain .gallery-slide img { height: auto; }
}
@media (prefers-reduced-motion: reduce) { .sidechain-visual img { transition: none; } }
@media (max-width: 760px) {
    .theme-sidechain .gallery-toolbar { flex-direction: column; align-items: stretch; gap: 14px; }
    .theme-sidechain .gallery-navigation { justify-content: flex-end; }
    .theme-sidechain .gallery-navigation button { width: 40px; height: 40px; flex-shrink: 0; }
    .theme-sidechain .gallery-navigation button.gallery-expand { font-size: 18px; margin-left: 0; }
    .theme-sidechain .gallery-tabs button { min-height: 40px; }
}

/* Interface tour: a full editor capture paired with a short reading guide. */
.theme-sidechain .interface-gallery {
    --sc-gallery-shadow: 0 12px 30px #14242d18;
}
html[data-theme="dark"] .theme-sidechain .interface-gallery {
    --sc-gallery-shadow: 0 12px 32px #0005;
}
.theme-sidechain .interface-gallery .gallery-heading { margin-bottom: 28px; }
.theme-sidechain .interface-gallery .gallery-title { max-width: 690px; }
.theme-sidechain .interface-gallery .gallery-stage {
    padding: 0;
    border: 1px solid var(--line);
    background: transparent;
    overflow: hidden;
}
.theme-sidechain .interface-gallery .gallery-stage:focus-visible {
    outline: 2px solid var(--project-accent);
    outline-offset: 5px;
}
.theme-sidechain .interface-gallery .gallery-slide {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 265px;
    align-items: stretch;
    margin: 0;
}
.theme-sidechain .interface-gallery .gallery-slide[hidden] { display: none; }
.theme-sidechain .interface-gallery .sc-gallery-media {
    display: grid;
    place-items: center;
    min-width: 0;
    padding: 24px;
    background: var(--project-tint);
}
.theme-sidechain .interface-gallery .gallery-slide img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: none;
    aspect-ratio: auto;
    object-fit: contain;
    filter: none;
    box-shadow: var(--sc-gallery-shadow);
}
.theme-sidechain .interface-gallery .sc-gallery-story {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: 28px 25px;
    border-left: 1px solid var(--line);
    background: var(--paper);
    color: var(--muted);
    font-size: 12px;
    line-height: 1.85;
    text-align: left;
    overflow-wrap: break-word;
}
.theme-sidechain .interface-gallery .sc-gallery-kicker {
    margin: 0 0 18px;
    color: var(--project-accent);
    font: 9px/1.7 var(--mono);
    letter-spacing: 1px;
}
.theme-sidechain .interface-gallery .sc-gallery-title {
    margin: 0;
    color: var(--ink);
    font-size: 26px;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: -.7px;
}
.theme-sidechain .interface-gallery .sc-gallery-description {
    margin: 16px 0 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.85;
}
.theme-sidechain .interface-gallery .sc-gallery-highlights {
    margin: 23px 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line);
}
.theme-sidechain .interface-gallery .sc-gallery-highlights li {
    position: relative;
    margin: 0;
    padding: 11px 0 11px 12px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: 10px;
    line-height: 1.7;
}
.theme-sidechain .interface-gallery .sc-gallery-highlights li::before {
    content: '';
    position: absolute;
    top: 18px;
    left: 0;
    width: 3px;
    height: 3px;
    background: var(--project-accent);
}
.theme-sidechain .interface-gallery .gallery-toolbar {
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px 22px;
    margin: 0 0 20px;
    padding: 0;
    border-bottom: 0;
}
.theme-sidechain .interface-gallery .gallery-tabs {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    flex: 1 1 680px;
    min-width: 0;
    gap: 0;
    border-bottom: 1px solid var(--line);
}
.theme-sidechain .interface-gallery .gallery-tabs button {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
    min-height: 59px;
    margin-bottom: -1px;
    padding: 10px 12px 12px;
    border: 0;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.4;
    text-align: left;
    white-space: normal;
    transition: color .18s, background .18s, border-color .18s;
}
.theme-sidechain .interface-gallery .gallery-tabs button:hover {
    background: var(--project-tint);
    color: var(--project-accent);
}
.theme-sidechain .interface-gallery .gallery-tabs button[aria-pressed="true"] {
    border-bottom-color: var(--project-accent);
    background: var(--project-tint);
    color: var(--project-accent);
}
.theme-sidechain .interface-gallery .sc-gallery-tab-number {
    color: var(--muted);
    font: 8px/1.4 var(--mono);
    letter-spacing: 1px;
}
.theme-sidechain .interface-gallery button[aria-pressed="true"] .sc-gallery-tab-number { color: var(--project-accent); }
.theme-sidechain .interface-gallery .gallery-navigation {
    flex: 0 0 auto;
    gap: 10px;
    margin-left: auto;
    padding-bottom: 5px;
}
.theme-sidechain .interface-gallery .gallery-navigation button {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}
.theme-sidechain .interface-gallery .gallery-navigation .gallery-expand {
    width: auto;
    min-height: 40px;
    margin: 0 0 0 3px;
    padding: 8px 0 8px 8px;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--project-accent);
    font-size: 10px;
    line-height: 1.5;
}
.theme-sidechain .interface-gallery .gallery-expand:hover { text-decoration: underline; text-underline-offset: 4px; }
.theme-sidechain .interface-gallery .sc-gallery-footnote {
    margin: 15px 0 0;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.8;
    max-width: 980px;
}
.theme-sidechain .interface-gallery .sc-gallery-footnote p { margin: 0; }

@media (max-width: 1100px) {
    .theme-sidechain .interface-gallery .gallery-slide { grid-template-columns: minmax(0, 1fr) 240px; }
    .theme-sidechain .interface-gallery .sc-gallery-media { padding: 20px; }
    .theme-sidechain .interface-gallery .sc-gallery-story { padding: 25px 22px; }
    .theme-sidechain .interface-gallery .sc-gallery-title { font-size: 24px; }
    .theme-sidechain .interface-gallery .gallery-tabs { flex-basis: 580px; }
    .theme-sidechain .interface-gallery .gallery-tabs button { padding-inline: 10px; }
}

@media (max-width: 900px) {
    .theme-sidechain .interface-gallery .gallery-slide { grid-template-columns: minmax(0, 1fr); }
    .theme-sidechain .interface-gallery .sc-gallery-story {
        display: grid;
        grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
        column-gap: 28px;
        justify-content: normal;
        border-top: 1px solid var(--line);
        border-left: 0;
    }
    .theme-sidechain .interface-gallery .sc-gallery-kicker { grid-column: 1; margin-bottom: 12px; }
    .theme-sidechain .interface-gallery .sc-gallery-title { grid-column: 1; }
    .theme-sidechain .interface-gallery .sc-gallery-description { grid-column: 1; }
    .theme-sidechain .interface-gallery .sc-gallery-highlights { grid-column: 2; grid-row: 1 / 4; align-self: center; margin-top: 0; }
}

@media (max-width: 760px) {
    .theme-sidechain .interface-gallery .gallery-heading { margin-bottom: 21px; }
    .theme-sidechain .interface-gallery .gallery-toolbar { flex-direction: column; align-items: stretch; gap: 14px; margin-bottom: 16px; }
    .theme-sidechain .interface-gallery .gallery-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); flex: 0 0 auto; width: 100%; border: 1px solid var(--line); }
    .theme-sidechain .interface-gallery .gallery-tabs button { min-height: 61px; margin-bottom: 0; padding: 10px 12px; font-size: 10px; }
    .theme-sidechain .interface-gallery .gallery-navigation { width: 100%; justify-content: flex-end; gap: 12px; padding-bottom: 0; }
    .theme-sidechain .interface-gallery .gallery-navigation .gallery-expand { padding-inline: 5px 0; font-size: 11px; }
    .theme-sidechain .interface-gallery .sc-gallery-media { padding: 16px; }
    .theme-sidechain .interface-gallery .sc-gallery-story { padding: 24px; }
    .theme-sidechain .interface-gallery .sc-gallery-title { font-size: 23px; }
    .theme-sidechain .interface-gallery .sc-gallery-description { font-size: 12px; line-height: 1.8; }
}

@media (max-width: 540px) {
    .theme-sidechain .interface-gallery .sc-gallery-story { display: block; padding: 22px 20px; }
    .theme-sidechain .interface-gallery .sc-gallery-kicker { margin-bottom: 12px; }
    .theme-sidechain .interface-gallery .sc-gallery-title { font-size: 22px; }
    .theme-sidechain .interface-gallery .sc-gallery-description { margin-top: 12px; }
    .theme-sidechain .interface-gallery .sc-gallery-highlights { margin-top: 19px; }
    .theme-sidechain .interface-gallery .sc-gallery-highlights li { padding-block: 10px; font-size: 11px; }
    .theme-sidechain .interface-gallery .sc-gallery-highlights li::before { top: 18px; }
    .theme-sidechain .interface-gallery .sc-gallery-media { padding: 12px; }
    .theme-sidechain .interface-gallery .sc-gallery-footnote { font-size: 9px; }
}

@media (max-width: 380px) {
    .theme-sidechain .interface-gallery .gallery-tabs button { padding-inline: 10px; font-size: 9px; }
    .theme-sidechain .interface-gallery .gallery-navigation { justify-content: space-between; gap: 7px; }
    .theme-sidechain .interface-gallery .gallery-navigation .gallery-expand { font-size: 10px; padding-left: 0; }
    .theme-sidechain .interface-gallery .sc-gallery-media { padding: 9px; }
}

@media (prefers-reduced-motion: reduce) {
    .theme-sidechain .interface-gallery .gallery-tabs button { transition: none; }
}