.lithic-chain{padding-block:36px 76px;scroll-margin-top:28px}.lithic-chain header{max-width:880px;margin-bottom:28px}.lithic-chain h2{font:400 clamp(2rem,4.5vw,3.6rem)/1.12 Georgia,serif;color:#123e59;margin:0 0 18px}.lithic-chain-lead{font:1.12rem/1.65 Georgia,serif}.lithic-chain-plate{margin:0;padding:10px;border:1px solid #c6d2c8;border-radius:16px;background:#f7f5ee}.lithic-chain-plate>a{display:block;cursor:zoom-in}.lithic-chain-plate img{display:block;width:100%;height:auto;border-radius:8px}.lithic-chain figcaption{padding:14px 8px 4px;font:1rem/1.6 Arial,sans-serif;color:#263d43}.lithic-chain-steps{list-style:none;counter-reset:stage;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:28px 0;padding:0}.lithic-chain-steps li{counter-increment:stage;padding:24px;border:1px solid #c6d2c8;border-radius:12px;background:#eaf0e9}.lithic-chain-steps li:nth-child(even){background:#e7eef1;border-color:#c2d2da}.lithic-chain-steps li::before{content:counter(stage,decimal-leading-zero);display:block;margin-bottom:14px;font:600 1.35rem Georgia,serif;color:#436757}.lithic-chain-steps li:nth-child(even)::before{color:#123e59}.lithic-chain-steps h3{font:500 1.2rem/1.3 Georgia,serif;margin:0 0 12px;color:#123e59}.lithic-chain-steps p{margin:0;font-size:1rem;line-height:1.65}.lithic-chain-context{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px;padding:26px;border-top:2px solid #436757;background:#f2f3ec;border-radius:0 0 12px 12px}.lithic-chain-context figure{margin:0}.lithic-chain-context img{display:block;max-width:100%;height:auto;border-radius:8px}.lithic-chain-context figcaption,.lithic-chain-credit{font-size:.875rem;line-height:1.6}.lithic-chain-context h3{margin-top:0}.lithic-chain a:focus-visible{outline:3px solid #c3964b;outline-offset:4px}@media(max-width:850px){.lithic-chain-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.lithic-chain-steps,.lithic-chain-context{grid-template-columns:1fr}.lithic-chain-context{padding:20px}.lithic-chain-context figure{max-width:280px}.lithic-chain-plate{padding:5px}.lithic-chain{padding-bottom:48px}}
.niquia-media-pair{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:stretch;scroll-margin-top:24px}
.niquia-media-pair>.evidence-card{min-width:0}
.lithic-video-player{display:flex;align-items:center;justify-content:center;min-height:320px;background:#172c2a}
.lithic-video-player video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}
.lithic-video-card .lithic-video-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:20px}
.lithic-video-links a{color:var(--blue-deep);text-underline-offset:3px}
.lithic-video-credits{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:.82rem}
.lithic-video-credits summary{cursor:pointer;font-weight:600}
.lithic-video-card .lithic-video-credits p{margin-top:12px;font-size:.8rem;line-height:1.6}
@media(max-width:760px){.niquia-media-pair{grid-template-columns:1fr}.lithic-video-player{min-height:0}}