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code{white-space:nowrap}.note{font-family:var(--mono);color:var(--text-faint);letter-spacing:.03em;max-width:62ch;margin-top:1.5rem;font-size:.68rem;line-height:1.7}.clock{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.03em;color:var(--hull);font-weight:700}.clock[data-firing="1"]{color:var(--thrust)}.clock-hero{font-size:clamp(1.9rem,4.4vw,3.1rem)}.nav{z-index:40;padding:.9rem var(--gutter);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#050506bd;justify-content:space-between;align-items:center;gap:1rem;display:flex;position:fixed;inset:0 0 auto}.nav-brand{color:var(--text);align-items:center;gap:.65rem;text-decoration:none;display:flex}.nav-brand b{letter-spacing:-.02em;text-transform:uppercase;font-size:1rem;font-weight:900}.nav-links{align-items:center;gap:1.5rem;display:flex}.nav-links a{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);font-size:.68rem;text-decoration:none}.nav-links a:hover{color:var(--hull)}.nav-links a.btn,.nav-links a.btn:hover{color:var(--ink)}@media (max-width:820px){.nav-links a:not(.btn){display:none}}.altimeter{z-index:30;pointer-events:none;font-family:var(--mono);flex-direction:column;align-items:flex-end;gap:.15rem;display:flex;position:fixed;top:50%;right:1.1rem;transform:translateY(-50%)}.alt-read{color:var(--hull);letter-spacing:.04em;font-variant-numeric:tabular-nums;font-size:.78rem;font-weight:700}.alt-unit{color:var(--text-faint);letter-spacing:.22em;font-size:.54rem}.alt-ticks{flex-direction:column;align-items:flex-end;gap:.42rem;margin:.7rem 0;display:flex}.alt-tick{background:var(--line-bright);width:11px;height:1px;transition:width .25s,background .25s}.alt-tick[data-on="1"]{background:var(--thrust);width:26px}.alt-stage{color:var(--titanium);letter-spacing:.2em;font-size:.54rem}@media 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