:root{--ink:#111032;--paper:#fbfaf6;--muted:#626078;--line:#dedde7;--violet:#7668f4;--mint:#78e6c5;--gold:#f4c95d;--coral:#ff806d;--soft:#f1efff;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
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@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Optional public playtest: the mission keeps its own visual system. */
[hidden]{display:none!important}a{color:#514398}a:hover{text-decoration-thickness:2px}.brand-link{color:inherit;text-decoration:none}.header-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.return-link{font-size:.78rem;font-weight:700;min-height:44px;display:inline-flex;align-items:center;text-underline-offset:4px}.welcome-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;padding:44px 0 24px}.welcome-grid .intro{padding:0}.welcome-grid .intro>p:last-child{font-size:.83rem}.welcome-grid .intro h1{font-size:clamp(2.6rem,4.5vw,4.3rem)}.welcome-grid .forest{max-width:490px;margin:auto}.welcome-grid .field-note{display:none}.welcome-facts{padding:0;list-style:none;display:grid;gap:10px;margin:22px 0;color:var(--muted);font-size:.94rem}.welcome-facts li{display:flex;gap:10px}.welcome-facts li::before{content:'✓';color:#1c8062;font-weight:800}.playtest-note{font-size:.78rem;line-height:1.6;color:var(--muted);max-width:540px;margin-top:18px}.playtest-note strong{color:var(--ink)}.mission-heading{padding-top:26px;margin-bottom:12px}.mission-heading p{margin-bottom:8px}.mission-heading h1{font-size:1.45rem;letter-spacing:-.035em}.feedback-panel{border:1px solid var(--line);border-radius:16px;padding:14px 18px;margin:28px 0 0;background:#fff;max-width:660px}.feedback-panel summary{font-size:.87rem;min-height:28px}.feedback-panel>p{margin-top:10px;margin-bottom:12px}.feedback-panel fieldset{margin:18px 0 12px}.feedback-panel legend{font-size:.9rem}.feedback-panel .choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.feedback-panel .choice{padding:12px;font-size:.8rem}.feedback-panel .choice input{margin-top:2px}.feedback-status{font-size:.8rem;line-height:1.5;margin:12px 0 0;color:var(--muted)}.feedback-status:empty{display:none}.feedback-status:focus{outline:none}.completion-feedback{border-color:#73bda4;background:#f4fcf8}.footer-links{display:flex;gap:20px;align-items:center;flex-wrap:wrap}footer{flex-wrap:wrap;gap:8px 24px}footer .footnote{flex-basis:100%;font-size:.73rem}footer .text-button{font-size:.78rem}.noscript-message{border:1px solid var(--line);padding:20px;border-radius:14px;background:#fff}#welcome-title:focus{outline:none}
@media(max-width:760px){.header-actions{gap:10px}.return-link{font-size:.74rem}.welcome-grid{grid-template-columns:1fr;gap:24px;padding-top:28px}.welcome-grid .intro h1{font-size:2.8rem}.welcome-facts{font-size:.87rem;gap:8px;margin:18px 0}.welcome-grid #welcome-visual{order:2}.welcome-grid .forest{max-width:430px}.welcome-grid .forest svg{max-height:230px}.welcome-grid .forest-top{font-size:.58rem}.welcome-grid .forest-bottom{display:none}.playtest-note{font-size:.76rem}.mission-heading{padding-top:22px}.feedback-panel{padding:14px}.feedback-panel .choices{grid-template-columns:1fr}.feedback-panel .choice{padding:12px}.site-header{gap:4px 14px}.header-actions{width:100%;justify-content:space-between}.feedback-panel summary{font-size:.83rem}footer{display:flex}.footer-links{gap:18px}}
@media(max-width:360px){.welcome-grid .intro h1{font-size:2.4rem}.station{font-size:.8rem}.brand-divider{margin-inline:2px}.brand{gap:8px}.metric-grid{gap:6px}.steps li{font-size:.6rem}.feedback-panel .choice{font-size:.78rem}.welcome-grid .forest svg{max-height:200px}}