@property --bg{syntax:"<color>";inherits:true;initial-value:#0b1026}@property --fg{syntax:"<color>";inherits:true;initial-value:#eef0f7}@property --muted{syntax:"<color>";inherits:true;initial-value:#9aa3c0}@property --rule{syntax:"<color>";inherits:true;initial-value:#0000}@property --sky-top{syntax:"<color>";inherits:true;initial-value:#05081a}@property --sky-horizon{syntax:"<color>";inherits:true;initial-value:#1a2247}@property --cloud{syntax:"<color>";inherits:true;initial-value:#0000}@property --hills{syntax:"<color>";inherits:true;initial-value:#121a3a}:root{--accent:#f2b544;--on-accent:#12203a;--sun-halo:#f2b54447;--wrong:#c0392b;--on-wrong:#fff;--moon-lit:#eef0f7;--moon-disc:#eef0f70d;--moon-crater:#1a22471a;--moon-halo:#eef0f724;--star:#eef0f7;--meteor:#eef0f7e6;--neb-blue:#6fa0ffcc;--neb-gold:#f2b544b3;--neb-red:#d2475ba6;--neb-lane:#05081a73;--neb-veil:#05081ab8;--antares:#ff9a5c;--rho-star:#dbe6ff;--frame:#7f7f7f0f;--nav-h:46px;--tap:44px;--font-display:"Barlow Condensed", Barlow, sans-serif;--font-body:Barlow, system-ui, sans-serif;--display-weight:700;--display-tracking:-.02em}:root[data-phase=night]{--bg:#0b1026;--fg:#eef0f7;--muted:#9aa3c0;--rule:#eef0f72e;--sky-top:#05081a;--sky-horizon:#1a2247;--cloud:#eef0f709;--hills:#121a3a}:root[data-phase=dawn]{--bg:#f3e6dd;--fg:#221a2e;--muted:#6b5f73;--rule:#221a2e29;--sky-top:#4a3358;--sky-horizon:#f0a07a;--cloud:#ffece066;--hills:#d39a87}:root[data-phase=day]{--bg:#eaf1fa;--fg:#12203a;--muted:#5b6b85;--rule:#12203a26;--sky-top:#5fa8e8;--sky-horizon:#d8ecfa;--cloud:#ffffff8c;--hills:#bfd3e8}:root[data-phase=dusk]{--bg:#2a1f33;--fg:#f4ece6;--muted:#b8a9b5;--rule:#f4ece633;--sky-top:#1f1830;--sky-horizon:#a84c35;--cloud:#f4c8b429;--hills:#40263a}:root{--size-big:96px;--size-hms:30px;--size-title:32px;--size-score:64px;--size-question:19px;--size-body:17px}@media (width>=1100px){:root{--size-big:180px;--size-hms:40px;--size-title:40px;--size-score:80px;--size-question:22px;--size-body:18px}}*,:before,:after{box-sizing:border-box}html{background:var(--bg);scrollbar-width:none}html[data-fade]{transition:--bg 2s ease-in-out,--fg 2s ease-in-out,--muted 2s ease-in-out,--rule 2s ease-in-out,--sky-top 2s ease-in-out,--sky-horizon 2s ease-in-out,--cloud 2s ease-in-out,--hills 2s ease-in-out}html::-webkit-scrollbar{display:none}body{color:var(--fg);font-family:var(--font-body);font-weight:400;font-size:var(--size-body);-webkit-font-smoothing:antialiased;margin:0;line-height:1.6}h1,h2,p{margin:0}img{max-width:100%;display:block}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;background:0 0;border:0;padding:0}a{color:inherit;text-decoration:none}a:hover{text-underline-offset:4px;text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}[tabindex="-1"]:focus:not(:focus-visible){outline:none}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.button{min-height:var(--tap);border:1px solid var(--fg);border-radius:0;padding:11px 26px;font-size:16px;font-weight:500;transition:background-color .15s ease-out}.button:active{background:var(--rule)}.button[aria-disabled=true]{opacity:.5;cursor:default}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.page{z-index:1;padding:0 20px;position:relative}.column{background:var(--bg);margin:0 -20px;padding:0 20px}@media (width>=1100px){.page{justify-content:center;gap:72px;padding:0 56px;display:flex}.column{flex:0 720px;min-width:0;max-width:720px;min-height:100vh;margin:0;padding:40px 40px 0}}.sky{z-index:0;background:linear-gradient(180deg, var(--sky-top) 0%, var(--sky-horizon) 74%, var(--bg) 100%);height:100svh;position:fixed;inset:0 0 auto;overflow:hidden}.sky-arc{height:30%;position:absolute;top:5%;left:0;right:0}.sky-body{transition:left .9s linear,top .9s linear;position:absolute;transform:translate(-50%,-50%)}.sky-sun{background:var(--accent);border-radius:50%;width:52px;height:52px;position:relative}.sky-sun:before,.sky-moon-halo{content:"";z-index:-1;background:radial-gradient(circle, var(--sun-halo), transparent 68%);animation:6s ease-in-out infinite alternate breathe;position:absolute;inset:-44px}.sky-moon-halo{background:radial-gradient(circle, var(--moon-halo), transparent 70%);inset:-30px}@keyframes breathe{0%{transform:scale(.94)}to{transform:scale(1.1)}}.sky-moon{display:block;position:relative}.sky-moon-disc{fill:var(--moon-disc)}.sky-moon-lit{fill:var(--moon-lit)}.sky-moon-crater{fill:var(--moon-crater)}.sky-stars{transition:opacity 2s ease-in-out;position:absolute;inset:0}.star{background:var(--star);border-radius:50%;position:absolute;transform:translate(-50%,-50%)}.star-twinkle{animation:ease-in-out infinite alternate twinkle}@keyframes twinkle{0%{opacity:1}to{opacity:.3}}.meteor{transform-origin:0;background:linear-gradient(90deg, transparent, var(--meteor));opacity:0;width:140px;height:1.5px;animation:.9s ease-out forwards meteor;position:absolute}@keyframes meteor{0%{opacity:0;translate:-60px -20px}20%{opacity:1}to{opacity:0;translate:160px 70px}}.cloud{fill:var(--cloud);animation:linear infinite drift;position:absolute;left:0}@keyframes drift{0%{transform:translate(-40vw)}to{transform:translate(110vw)}}.hills{width:100%;height:11%;position:absolute;bottom:0;left:0}.hills-far{fill:var(--hills)}.hills-near{fill:var(--bg)}.nebula{width:min(68vw,300px);height:auto;position:absolute;top:22%;left:72%;overflow:visible;transform:translate(-50%,-50%)}@media (width>=1100px){.nebula{top:30%;left:20%}}.nebula-rho{fill:var(--rho-star)}.nebula-antares{fill:var(--antares)}.nebula-antares-halo{fill:var(--antares);opacity:.25}@media (prefers-reduced-motion:reduce){.cloud-0{transform:translate(10vw)}.cloud-1{transform:translate(55vw)}.cloud-2{transform:translate(30vw)}}.hero{flex-direction:column;justify-content:flex-end;min-height:100svh;padding-bottom:16svh;display:flex}@media (width>=1100px){.hero{flex:0 420px;align-self:flex-start;height:100vh;min-height:0;padding-bottom:14vh;position:sticky;top:0}}.countdown-days{font-family:var(--font-display);font-weight:var(--display-weight);font-size:var(--size-big);letter-spacing:var(--display-tracking);font-variant-numeric:tabular-nums;line-height:.82}.countdown-label{letter-spacing:.01em;margin-top:10px;font-size:15px;font-weight:500}.countdown-clock{font-family:var(--font-display);font-weight:var(--display-weight);font-size:var(--size-hms);font-variant-numeric:tabular-nums;align-items:baseline;gap:14px;margin-top:18px;line-height:1;display:flex}.countdown-unit{font-family:var(--font-body);padding-left:3px;font-size:.5em;font-weight:500}.countdown-where{max-width:340px;margin-top:24px}.countdown-sky{margin-top:8px;font-size:14px}.gate-title{font-family:var(--font-display);font-weight:var(--display-weight);font-size:var(--size-score);letter-spacing:var(--display-tracking);line-height:.9}.gate-body{max-width:340px;margin-top:20px}.gate-form{max-width:340px;margin-top:28px}.gate-label{letter-spacing:.02em;font-size:14px;font-weight:500;display:block}.gate-input{border:1px solid var(--fg);width:100%;min-height:48px;color:var(--fg);font:inherit;background:0 0;border-radius:0;margin-top:8px;padding:12px 14px;font-size:17px;display:block}.gate-form .button{margin-top:18px}.gate-message{max-width:340px;min-height:1.6em;margin-top:14px}.anchors{z-index:5;height:var(--nav-h);background:var(--bg);border-bottom:1px solid var(--rule);gap:26px;font-size:15px;font-weight:500;display:flex;position:sticky;top:0}.anchors a{align-items:center;display:flex}.section{border-top:1px solid var(--rule);scroll-margin-top:var(--nav-h);padding:56px 0 8px}#timeline{border-top:0;padding-top:64px}#quiz{padding-bottom:15vh}.section h2{font-family:var(--font-display);font-weight:var(--display-weight);font-size:var(--size-title);letter-spacing:-.01em;margin-bottom:8px;line-height:1.05}.section-intro{max-width:44ch;color:var(--muted);margin-bottom:28px}#timeline .section-intro{margin-bottom:40px}.timeline{margin:0;padding:0;list-style:none}.tl-entry{flex-direction:row-reverse;gap:20px;display:flex}.tl-body{flex:1 1 0;min-width:0;padding-bottom:44px}.tl-rule{background:var(--rule);flex:0 0 1px}.tl-spacer{display:none}@media (width>=1100px){.tl-entry{gap:28px}.tl-entry:nth-child(2n){flex-direction:row}.tl-spacer{flex:1 1 0;display:block}}.tl-date{letter-spacing:.02em;color:var(--muted);font-size:14px;font-weight:500}.tl-frame{border:1px solid var(--rule);background:var(--frame);height:208px;margin-top:12px;overflow:hidden}@media (width>=1100px){.tl-frame{height:190px}}.tl-frame img{object-fit:cover;width:100%;height:100%}.tl-caption{text-wrap:pretty;margin-top:14px}.tl-place{color:var(--muted);margin-top:4px;font-size:14px}.notes{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:14px;display:grid}@media (width>=1100px){.notes{grid-template-columns:repeat(3,minmax(0,1fr))}}.note{border:1px solid var(--rule);padding:16px 16px 18px;transition:border-color .2s ease-out}.note[data-open]{border-color:var(--accent);grid-column:1/-1}.note[data-shake]{animation:.15s ease-out note-shake}@keyframes note-shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.note-head{width:100%;min-height:var(--tap);text-align:left;justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.note-label{font-size:16px;font-weight:500;line-height:1.35}.note-seal{border-radius:50%;flex:0 0 11px;width:11px;height:11px;margin-top:4px}.note-seal[data-seal=unread]{background:var(--accent)}.note-seal[data-seal=read]{border:2px solid var(--accent)}.note-seal[data-seal=locked]{background:var(--muted)}.note-body{grid-template-rows:0fr;transition:grid-template-rows .3s ease-out;display:grid}.note[data-open] .note-body{grid-template-rows:1fr}.note-text{min-height:0;overflow:hidden}.note-text p{text-wrap:pretty;margin-top:12px}.note-lock{color:var(--muted);margin-top:10px;font-size:14px}.quiz-progress{letter-spacing:.02em;color:var(--muted);font-size:14px;font-weight:500}.quiz-question{font-size:var(--size-question);text-wrap:pretty;margin:14px 0 22px;font-weight:500;line-height:1.4}.quiz-options{flex-direction:column;gap:10px;display:flex}.quiz-option{border:1px solid var(--rule);text-align:left;border-radius:0;width:100%;min-height:48px;padding:13px 15px;font-size:16px;line-height:1.4;transition:background-color .2s ease-out,border-color .2s ease-out;display:block}.quiz-option[aria-disabled=true]{cursor:default}.quiz-option[data-state=right]{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:500}.quiz-option[data-state=wrong]{background:var(--wrong);border-color:var(--wrong);color:var(--on-wrong);font-weight:500}.quiz-option[data-state=answer]{border-color:var(--accent)}.quiz-reveal{text-wrap:pretty;margin-top:18px}.quiz-next{margin-top:22px}.quiz-score{font-family:var(--font-display);font-weight:var(--display-weight);font-size:var(--size-score);letter-spacing:var(--display-tracking);font-variant-numeric:tabular-nums;line-height:.9}.quiz-message{text-wrap:pretty;max-width:40ch;margin-top:20px}.quiz-again{margin-top:26px}