/* Substrate / Operator / Application landing pages */

* { box-sizing: border-box; }

body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #fafaf7; color: #1a1a1a; line-height: 1.6; }

.landing { max-width: 1100px; margin: 0 auto; padding: 80px 40px 40px; }

.landing__header { margin-bottom: 60px; }

.landing__eyebrow { font-family: monospace; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: #8a7050; margin-bottom: 16px; }

.landing__title { font-family: Georgia, "Times New Roman", serif; font-size: 64px; line-height: 1.05; margin: 0 0 24px; letter-spacing: -0.02em; }

.landing__lede { font-size: 18px; color: #4a4a4a; max-width: 70ch; margin: 0; }

.landing__chain { padding: 24px 28px; background: #fff; border: 1px solid #e5e2d8; border-radius: 6px; margin-bottom: 48px; }

.chain { font-family: monospace; font-size: 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.chain__node { padding: 6px 12px; background: #f4f1e8; border-radius: 4px; color: #4a4a4a; }

.chain__node--self { background: #1a1a1a; color: #fff; }

.chain__sep { color: #b5a890; }

.chain__legend { font-family: monospace; font-size: 11px; color: #8a7050; margin-top: 8px; letter-spacing: 0.05em; }

.landing__sections { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 60px; }

.landing__card { padding: 28px; background: #fff; border: 1px solid #e5e2d8; border-radius: 6px; }

.landing__card h2 { font-family: Georgia, serif; font-size: 22px; margin: 0 0 12px; }

.landing__card p { color: #4a4a4a; margin: 0 0 16px; font-size: 15px; }

.landing__card-meta { font-family: monospace; font-size: 11px; color: #8a7050; letter-spacing: 0.05em; text-transform: uppercase; }

.landing__footer { padding-top: 32px; border-top: 1px solid #e5e2d8; font-family: monospace; font-size: 12px; color: #8a7050; letter-spacing: 0.03em; }

@media (max-width: 800px) {

  .landing__sections { grid-template-columns: 1fr; }

  .landing__title { font-size: 44px; }

  .landing { padding: 40px 24px; }

}