.series-page {
    max-width: none;
    margin-inline: 0;
    --series-thumb-w: 4.125rem;
    --series-thumb-aspect: 16 / 10;
}

.series-display-title {
    font-size: clamp(calc(1.85rem * var(--sv-heading-scale)), calc(5vw * var(--sv-heading-scale)), calc(3rem * var(--sv-heading-scale)));
    line-height: 1.2;
    letter-spacing: 0.01em;
}

.series-kicker {
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.series-list-header,
.series-hero {
    border: 1px solid color-mix(in srgb, var(--color-border) 55%, transparent);
}

.series-lead {
    max-width: var(--sv-reading-width);
    line-height: var(--sv-content-line-height);
}

.series-card-cover {
    --sv-card-media-aspect-ratio: 4 / 5;
    --sv-card-media-fit: contain;
}

.series-card-cover img {
    object-fit: var(--sv-card-media-fit, contain);
}

.series-hero-cover {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: var(--sv-radius-block, 0.5rem);
    background: var(--color-surface);
}

.series-hero-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.series-cover-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

/* —— Series resume (client-gated) —— */

.series-resume-root {
    padding: 0.65rem 0.85rem;
    border: 1px solid color-mix(in srgb, var(--color-link) 28%, var(--color-border));
    border-radius: var(--sv-radius-block, 0.5rem);
    background: color-mix(in srgb, var(--color-surface-alt) 92%, var(--color-link) 8%);
}

.series-resume-hit {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
    padding: 0.15rem 0;
    border-radius: calc(var(--sv-radius-block, 0.5rem) - 2px);
    outline-offset: 2px;
}

.series-resume-hit:hover,
.series-resume-hit:focus-visible {
    color: inherit;
}

.series-resume-thumb {
    flex: 0 0 auto;
    width: var(--series-thumb-w);
    aspect-ratio: var(--series-thumb-aspect);
    border-radius: 0.35rem;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    display: grid;
    place-items: center;
}

.series-resume-cover {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.series-resume-cover-fallback {
    font-size: 0.65rem;
    line-height: 1.2;
    text-align: center;
    padding: 0.25rem;
    color: var(--color-text-muted);
}

.series-resume-copy {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.series-resume-kicker {
    font-size: calc(0.68rem * var(--sv-ui-font-scale));
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.series-resume-title {
    font-size: calc(0.95rem * var(--sv-ui-font-scale));
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-heading, var(--color-text));
}

.series-resume-go {
    flex-shrink: 0;
    font-size: calc(0.78rem * var(--sv-ui-font-scale));
    font-weight: 600;
    color: var(--color-link);
    white-space: nowrap;
}

@media (min-width: 768px) {
    .series-page {
        --series-thumb-w: 5.25rem;
    }

    .series-resume-root {
        padding: 0.75rem 1rem;
    }

    .series-resume-title {
        font-size: calc(1rem * var(--sv-ui-font-scale));
    }

    .series-step-layout {
        gap: 0.85rem;
    }

    .series-step-card-inner {
        gap: 0.85rem;
        padding: 0.7rem 0.85rem 0.75rem 0.65rem;
    }

    .series-step-title {
        margin-bottom: 0.22rem;
        font-size: calc(1.05rem * var(--sv-ui-font-scale));
    }
}

/* —— Ordered scrolls: guided progression path —— */

.series-progression {
    --series-rail: 2.125rem;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.series-step {
    position: relative;
}

.series-step-layout {
    display: grid;
    grid-template-columns: var(--series-rail) 1fr;
    gap: 0.65rem;
    align-items: stretch;
}

.series-step-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 0.2rem;
    min-width: 0;
}

.series-step-node {
    display: inline-flex;
    width: 1.42rem;
    height: 1.42rem;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border-radius: var(--sv-radius-circle);
    border: 1px solid color-mix(in srgb, var(--color-heading) 38%, var(--color-border));
    background: color-mix(in srgb, var(--color-surface-alt) 94%, var(--color-surface));
    box-shadow: 0 1px 0 color-mix(in srgb, var(--color-heading) 10%, transparent);
}

.series-step-index {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    line-height: 1;
}

.series-step-stem {
    flex: 1 1 auto;
    width: 0;
    min-height: 0.65rem;
    margin-top: 0.28rem;
    border-inline-start: 1px solid color-mix(in srgb, var(--color-heading) 34%, transparent);
}

.series-step-card {
    border: 1px solid var(--color-border);
    border-radius: var(--sv-radius-block, 0.5rem);
    background: color-mix(in srgb, var(--color-surface-alt) 96%, transparent);
}

.series-step-card-inner {
    display: grid;
    grid-template-columns: var(--series-thumb-w) 1fr;
    gap: 0.65rem;
    align-items: start;
    padding: 0.6rem 0.7rem 0.65rem 0.55rem;
}

.series-step-thumb {
    width: 100%;
    max-width: var(--series-thumb-w);
    aspect-ratio: var(--series-thumb-aspect);
    align-self: start;
    border-radius: 0.35rem;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    display: grid;
    place-items: center;
}

.series-step-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: color-mix(in srgb, var(--color-surface-alt) 78%, var(--color-heading) 22%);
}

.series-step-thumb-empty {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem;
}

.series-step-thumb-fallback {
    font-size: 0.62rem;
    line-height: 1.15;
    text-align: center;
    color: var(--color-text-muted);
}

.series-step-title {
    margin-top: 0;
    margin-bottom: 0.2rem;
    padding-top: 0;
    font-size: calc(1rem * var(--sv-ui-font-scale));
    line-height: 1.25;
}

.series-step-body {
    min-width: 0;
    padding-top: 0.12rem;
}

.series-step-excerpt {
    margin-top: 0.08rem;
}

.series-step-continuation {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0.15rem 0 0.35rem;
}

.series-step-continuation-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: var(--sv-radius-circle);
    font-size: 0.85rem;
    line-height: 1;
    color: color-mix(in srgb, var(--color-heading) 55%, var(--color-text-muted));
    border: 1px solid color-mix(in srgb, var(--color-heading) 22%, var(--color-border));
    background: color-mix(in srgb, var(--color-surface-alt) 92%, transparent);
}

.series-step--final .series-step-stem {
    display: none;
}