.plan-page main { padding-bottom: 54px; }
.plan-hero { padding: clamp(24px, 4vw, 42px); margin-bottom: 22px; }
.plan-hero h1 { max-width: 980px; }
.plan-hero .lede { max-width: 840px; }
.plan-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.plan-nav a { color: var(--text); text-decoration: none; border: 1px solid var(--line); border-radius: 999px; padding: 10px 13px; background: rgba(255,255,255,.035); font: 700 .78rem/1 'Fira Code', monospace; }
.plan-nav a:hover { color: var(--green); border-color: rgba(0,255,65,.32); }
.plan-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 22px 0; }
.plan-card { padding: 20px; }
.plan-card h2, .plan-card h3 { margin-top: 0; }
.phase-tag { display: inline-flex; margin-bottom: 12px; color: var(--amber); font: 800 .76rem/1 'Fira Code', monospace; text-transform: uppercase; letter-spacing: .08em; }
.plan-list { margin: 12px 0 0; padding-left: 18px; color: var(--soft); line-height: 1.65; }
.plan-list li { margin: 8px 0; }
.tree-board { display: grid; gap: 18px; margin: 22px 0; }
.tree-row { display: grid; grid-template-columns: 170px 1fr; gap: 14px; align-items: start; }
.tree-label { color: var(--cyan); font: 800 .78rem/1.4 'Fira Code', monospace; padding-top: 14px; text-transform: uppercase; }
.node-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tech-node { min-width: 170px; max-width: 230px; padding: 13px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(255,255,255,.04); }
.tech-node strong { display: block; color: var(--text); font: 800 .9rem/1.2 'Fira Code', monospace; }
.tech-node span { display: block; margin-top: 8px; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.tech-node.core { border-color: rgba(0,255,65,.28); background: rgba(0,255,65,.055); }
.tech-node.active { border-color: rgba(251,191,36,.35); background: rgba(251,191,36,.06); }
.tech-node.late { border-color: rgba(139,92,246,.38); background: rgba(139,92,246,.07); }
.matrix { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 22px 0; }
.biome-card { padding: 20px; position: relative; overflow: hidden; }
.biome-card::after { content: ''; position: absolute; inset: auto -40px -50px auto; width: 180px; height: 180px; border-radius: 50%; background: rgba(56,189,248,.08); }
.recipe { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 10px; align-items: center; padding: 12px; border: 1px dashed rgba(56,189,248,.24); border-radius: 16px; background: rgba(56,189,248,.045); font-family: 'Fira Code', monospace; color: var(--soft); margin: 10px 0; }
.recipe strong { color: var(--amber); }
.recipe em { color: var(--green); font-style: normal; }
@media (max-width: 900px) { .plan-grid, .matrix { grid-template-columns: 1fr; } .tree-row { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .recipe { grid-template-columns: 1fr; } }