.ancient-hero { background: radial-gradient(ellipse at 85% 15%, #68503a, transparent 65%), #102632; }
.ancient-hero .hero-grid { padding-block: 6.5rem 3.5rem; min-height: auto; }
.ancient-hero h1 { font-size: clamp(2.7rem, 6vw, 5.5rem); }
.ancient-hero-verdict { max-width: 40rem; color: #c2eee5; font-weight: 700; }
.archive-panel { padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid #ac916b; border-radius: var(--radius); background: rgba(7,24,32,.65); }
.archive-index { margin: 0 0 2rem; color: #e9d0aa; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; }
.archive-panel > div { padding-block: 1.25rem; border-top: 1px solid #776c5b; }
.archive-panel div > span { color: #e9d0aa; font-size: .73rem; text-transform: uppercase; }
.archive-panel strong { display: block; margin-top: .5rem; font-size: clamp(1.35rem, 3vw, 2rem); }
.archive-panel p:not(.archive-index) { margin-bottom: 0; color: #d9e2e5; }
.archive-note { font-size: .85rem; }
.ancient-columns { display: grid; align-items: center; gap: clamp(2rem, 5vw, 4rem); }
.ancient-dossier .section p { max-width: 65ch; }
.ancient-dossier .section p a { color: #135d73; text-underline-offset: .2em; }
.ancient-tint { background: #f3f1eb; }
.document-slot { position: relative; overflow: hidden; margin: 0; padding: 2rem; border: 1px solid #cbbfae; border-radius: var(--radius); background: #e9e3d7; color: #354852; }
.slot-lines { height: 5rem; margin-bottom: 2rem; background: repeating-linear-gradient(0deg, transparent 0 1rem, #c3b49b 1rem 1.06rem); }
.document-slot strong { font-size: 1.15rem; }
.document-slot p { margin-bottom: 0; font-size: .88rem; }
.ancient-timeline { display: grid; gap: 0; padding: 0; margin: 2.5rem 0 0; list-style: none; }
.ancient-timeline li { position: relative; padding: 0 0 2rem 1.6rem; border-left: 2px solid #c9dcd9; }
.ancient-timeline li::before { position: absolute; top: .4rem; left: -.35rem; width: .6rem; height: .6rem; border-radius: 50%; background: var(--teal); content: ''; }
.ancient-timeline li:last-child { padding-bottom: 0; border-color: transparent; }
.ancient-timeline strong { color: #126b64; font-size: .85rem; letter-spacing: .05em; text-transform: uppercase; }
.ancient-timeline p { margin: .4rem 0 0; }
.narrative-equation { display: grid; gap: .75rem; margin-top: 2rem; }
.narrative-equation > div { padding: 1.25rem; border: 1px solid #ccd9d5; border-left: 4px solid var(--teal); border-radius: .75rem; background: #fff; }
.narrative-equation > b { text-align: center; color: #5c6b70; font-size: 1.5rem; line-height: 1; }
.narrative-equation span { font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; font-weight: 800; }
.narrative-equation p { margin: .45rem 0 0; }
.narrative-equation .equation-modern { border-left-color: #b98330; background: #fff8e8; }
.narrative-equation .equation-result { color: #fff; border-color: #183c49; background: #183c49; }
.ancient-takeaway { margin-top: 2rem; font-size: 1.15rem; font-weight: 700; }
.source-note { font-size: .85rem; color: var(--muted); }
.source-group-title { margin-top: 2.5rem; font-size: .85rem; letter-spacing: .07em; text-transform: uppercase; }
.sources-list .source-note { padding: 0 1rem .8rem; margin: 0; }
.planet-context { margin-top: 1.5rem; }
.planet-context .fact-card { grid-column: 1 / -1; }
.ancient-core { color: #fff; background: #102e3e; }
.ancient-core .eyebrow { color: #a8eee6; }
.core-comparison { display: grid; gap: 1rem; margin-block: 2rem; }
.core-comparison > div { padding: 1.25rem; border: 1px solid #66818a; border-radius: .85rem; }
.core-comparison h3 { font-size: .85rem; color: #b3eee5; }
.core-comparison ul { padding-left: 1.1rem; margin-bottom: 0; }
.ancient-core > .shell > p:last-child { color: #d4e3e8; font-size: 1.15rem; }
@media (min-width: 48rem) {
    .ancient-columns { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
    .core-comparison { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 80rem) {
    .narrative-equation { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; }
    .narrative-equation .equation-result { grid-column: auto; }
}
@media (max-width: 40rem) {
    .ancient-hero .hero-grid { padding-top: 5.5rem; gap: 1.5rem; }
    .archive-panel { padding: 1.25rem; }
    .archive-index { margin-bottom: 1rem; }
    .document-slot { padding: 1.5rem; }
}