.sts-series,
.sts-reading-header,
.sts-reading-nav {
    --sts-ink: #17201d;
    --sts-paper: #f7f4ed;
    --sts-moss: #2e4a3f;
    --sts-gold: #b78a45;
    color: var(--sts-ink);
}

.sts-series { max-width: 1180px; margin: 3rem auto; padding: 0 1.5rem; }
.sts-series__hero { padding: clamp(2.5rem, 6vw, 5.25rem); background: var(--sts-moss); color: #fff; text-align: center; }
.sts-series__kicker, .sts-section-label, .sts-story-card__eyebrow, .sts-reading-header__label { margin: 0 0 .7rem; color: var(--sts-gold); font-size: .72rem; font-weight: 700; letter-spacing: .15em; line-height: 1.3; text-transform: uppercase; }
.sts-series__hero h1 { margin: 0; color: #fff; font-family: Georgia, serif; font-size: clamp(2.4rem, 5vw, 4.5rem); line-height: 1.05; }
.sts-series__hero > p:not(.sts-series__kicker) { max-width: 660px; margin: 1.3rem auto 0; font-family: Georgia, serif; font-size: 1.2rem; line-height: 1.7; }
.sts-series__books { display: flex; flex-wrap: wrap; justify-content: center; gap: .65rem; margin-top: 2rem; }
.sts-series__books a { border: 1px solid rgba(255,255,255,.45); border-radius: 999px; color: #fff; font-size: .8rem; padding: .5rem .85rem; text-decoration: none; }
.sts-series__books a:hover { background: #fff; color: var(--sts-moss); }
.sts-series__featured { margin: 3.5rem 0 4.5rem; }
.sts-story-card { background: var(--sts-paper); border: 1px solid #e5dfd2; display: flex; flex-direction: column; }
.sts-story-card--featured { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); }
.sts-story-card__image { display: block; min-height: 100%; }
.sts-story-card__image img { display: block; height: 100%; min-height: 260px; object-fit: cover; width: 100%; }
.sts-story-card__body { padding: 1.7rem; }
.sts-story-card h3 { font-family: Georgia, serif; font-size: 1.55rem; line-height: 1.18; margin: 0; }
.sts-story-card h3 a { color: var(--sts-ink); text-decoration: none; }
.sts-story-card__reference { color: var(--sts-moss); font-family: Georgia, serif; font-style: italic; margin: .8rem 0; }
.sts-story-card__excerpt { line-height: 1.65; }
.sts-story-card__link { color: var(--sts-moss); display: inline-block; font-size: .86rem; font-weight: 700; margin-top: .75rem; text-decoration: none; }
.sts-book { border-top: 1px solid #d8d0c1; margin-top: 3.5rem; padding-top: 2rem; scroll-margin-top: 2rem; }
.sts-book__header { margin-bottom: 1.5rem; max-width: 660px; }
.sts-book__header h2 { font-family: Georgia, serif; font-size: clamp(1.8rem, 3vw, 2.7rem); margin: 0; }
.sts-book__header p:not(.sts-section-label) { line-height: 1.65; }
.sts-story-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sts-series__empty { background: var(--sts-paper); margin-top: 2rem; padding: 2rem; text-align: center; }
.sts-reading-header { border-top: 3px solid var(--sts-gold); margin: 0 0 1.5rem; padding-top: 1rem; }
.sts-reading-header__reference { color: var(--sts-moss); font-family: Georgia, serif; font-style: italic; margin: 0; }
.sts-reading-nav { border-bottom: 1px solid #ddd5c7; border-top: 1px solid #ddd5c7; display: flex; font-size: .86rem; font-weight: 700; justify-content: space-between; margin-top: 2.5rem; padding: 1rem 0; }
.sts-reading-nav a { color: var(--sts-moss); text-decoration: none; }
.sts-reading-nav__next { margin-left: auto; }
.sts-reading-nav__series { margin: 0 auto; }
.sts-series-callout { background: var(--sts-paper); border-left: 4px solid var(--sts-gold); margin: 2.75rem 0 0; padding: 1.8rem 2rem; }
.sts-series-callout h2 { font-family: Georgia, serif; font-size: 1.55rem; margin: 0; }
.sts-series-callout p:not(.sts-section-label) { line-height: 1.65; margin: .75rem 0; }
.sts-series-callout a { color: var(--sts-moss); font-size: .9rem; font-weight: 700; text-decoration: none; }
@media (max-width: 720px) { .sts-story-card--featured, .sts-story-grid { grid-template-columns: 1fr; } .sts-reading-nav { gap: .8rem; } .sts-reading-nav__series { display: none; } }