@font-face{font-family:"Fraunces";font-style:normal;font-weight:300 700;font-display:swap;src:url("fonts/fraunces-normal-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+2013-2014,U+2018-201D,U+201E,U+2212,U+2026,U+00B7}
@font-face{font-family:"Fraunces";font-style:normal;font-weight:300 700;font-display:swap;src:url("fonts/fraunces-normal-latin-ext.woff2") format("woff2");unicode-range:U+0100-024F,U+1E00-1EFF}
@font-face{font-family:"Fraunces";font-style:italic;font-weight:300 700;font-display:swap;src:url("fonts/fraunces-italic-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+2013-2014,U+2018-201D,U+201E,U+2212,U+2026}
@font-face{font-family:"Fraunces";font-style:italic;font-weight:300 700;font-display:swap;src:url("fonts/fraunces-italic-latin-ext.woff2") format("woff2");unicode-range:U+0100-024F,U+1E00-1EFF}
@font-face{font-family:"PlexMono";font-style:normal;font-weight:400 600;font-display:swap;src:url("fonts/plexmono-latin.woff2") format("woff2");unicode-range:U+0000-00FF,U+2013-2014,U+2018-201D,U+201E,U+2212}
@font-face{font-family:"PlexMono";font-style:normal;font-weight:400 600;font-display:swap;src:url("fonts/plexmono-latin-ext.woff2") format("woff2");unicode-range:U+0100-024F}
:root{
  --vh:1vh;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;--mono:"PlexMono",ui-monospace,Menlo,monospace;
  --bg:#0b0806;--bg-2:#14100c;--ink:#f6eee2;--ink-2:#d3c6b4;--line:#3a2e24;--accent:#ffc27a;--warm:#ffc27a;
  --card-a:0;--card-bg:rgba(12,8,5,var(--card-a));--card-ink:#fbf5ea;--card-ink-2:#eadfce;--scrim:rgba(8,5,3,.66);
  --to-top-bg:#0b0806;--to-top-fg:#eadfce;
  color-scheme:dark;
}
:root.light{
  --bg:#f5efe4;--bg-2:#ebe3d4;--ink:#1f1711;--ink-2:#4a3d32;--line:#cfc3ae;--accent:#7a3200;--warm:#7a3200;
  --card-bg:rgba(247,242,232,.95);--card-ink:#1f1711;--card-ink-2:#43372d;--scrim:transparent;
  --to-top-bg:#f5efe4;--to-top-fg:#1f1711;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden],svg[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.06rem/1.55 var(--serif);font-variation-settings:"opsz" 14;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent);text-underline-offset:.18em}
.skip{position:absolute;left:-999px;top:0;background:var(--bg);color:var(--ink);padding:.6rem 1rem;z-index:50}.skip:focus{left:8px;top:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* top bar: one quiet line over the scene */
.topbar{position:fixed;inset:0 0 auto 0;height:44px;z-index:20;display:flex;align-items:center;gap:.5rem;padding:0 max(14px,2vw);color:#f3eadc;font:500 .72rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;transition:background .4s}
.topbar a{color:inherit;text-decoration:none}
.topbar .home{display:flex;align-items:center;gap:.55rem;opacity:.86}.topbar .home:hover{opacity:1}
.topbar .motif{width:22px;height:22px}
.topbar .spacer{flex:1}
.chip,.icon-btn{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:30px;padding:0 .6rem;border:1px solid rgba(243,234,220,.34);border-radius:999px;background:rgba(11,8,6,.42);color:inherit;font:inherit;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.icon-btn{padding:0;width:34px}.chip:hover,.icon-btn:hover{border-color:var(--accent)}
.progress{position:absolute;left:0;right:0;bottom:0;height:1px;background:transparent}
.progress i{display:block;height:1px;background:var(--accent);transform-origin:0 50%;transform:scaleX(0);opacity:.45}
.past .topbar{background:var(--bg);color:var(--ink)}.past .chip,.past .icon-btn{border-color:var(--line);background:transparent}
@media (pointer:coarse){.chip,.icon-btn{height:36px;min-width:40px}.icon-btn{width:40px}}

/* the stage is the whole window; the text scrolls over it */
.story{position:relative}
.stage{position:sticky;top:0;height:calc(var(--vh) * 100);margin:0;overflow:hidden;background:#050302}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.no-gl .stage{background:linear-gradient(#0d1530,#8a7350 38%,#5a3418 62%,#0b0605)}.no-gl #gl{display:none}
.steps{position:relative;z-index:2;margin-top:calc(var(--vh) * -100);padding-bottom:calc(var(--vh) * 30)}
.step{min-height:calc(var(--vh) * 135);display:flex;align-items:center;padding:0 max(18px,5.5vw);scroll-margin-top:calc(var(--vh) * 30);pointer-events:none}
.step .card{pointer-events:auto;position:relative;max-width:27.5rem;color:var(--card-ink);padding:1.5rem 1.6rem 1.1rem;border-radius:6px;background:var(--card-bg);-webkit-backdrop-filter:blur(calc(var(--card-a) * 10px));backdrop-filter:blur(calc(var(--card-a) * 10px))}
:root.light .step .card{-webkit-backdrop-filter:none;backdrop-filter:none}
.step .card::before{content:"";position:absolute;inset:-3.2rem -4rem;z-index:-1;background:radial-gradient(closest-side,var(--scrim),transparent);filter:blur(6px);pointer-events:none}
.step h2{font:440 clamp(1.75rem,1.1rem + 1.6vw,2.5rem)/1.08 var(--serif);font-variation-settings:"opsz" 120,"SOFT" 50;letter-spacing:0;margin:0 0 .8rem;text-wrap:balance}
.step p{margin:0 0 .85rem;color:var(--card-ink-2);text-shadow:0 1px 14px var(--scrim);text-wrap:pretty}
.step p strong{color:var(--card-ink);font-weight:500}
.step .tag{font:500 .7rem/1.2 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 .7rem}
:root.light .step p{text-shadow:none}
.step.right{justify-content:flex-end}
.step.center{justify-content:center;text-align:center}
.step.hero{min-height:calc(var(--vh) * 100);align-items:flex-end;padding-bottom:calc(var(--vh) * 11)}
.step.hero .card{max-width:38rem;background:transparent;padding:0;color:#fbf5ea;-webkit-backdrop-filter:none;backdrop-filter:none}
.step.hero .card::before{inset:-4rem -6rem;background:radial-gradient(closest-side,rgba(6,4,3,.55),transparent)}
.kicker{font:500 .74rem/1.3 var(--mono);letter-spacing:.17em;text-transform:uppercase;color:#ffd9a8;margin:0 0 1.1rem}
h1{font:340 clamp(3rem,1.3rem + 7.2vw,7.4rem)/.92 var(--serif);font-variation-settings:"opsz" 144,"SOFT" 100;letter-spacing:-.03em;margin:0 0 1.5rem;text-shadow:0 2px 40px rgba(0,0,0,.5)}
h1 em{font-style:italic;font-weight:300}
.deck{font-size:clamp(1.08rem,.95rem + .5vw,1.3rem);line-height:1.45;color:#f3eadc;max-width:32rem;margin:0 0 1.6rem;text-shadow:0 1px 18px rgba(0,0,0,.75)}
.hint{font:500 .72rem/1 var(--mono);letter-spacing:.17em;text-transform:uppercase;color:#ffd9a8;margin:0;display:flex;align-items:center;gap:.7rem}
.hint::before{content:"";width:1px;height:34px;background:linear-gradient(#ffd9a8,transparent);animation:drop 2.4s ease-in-out infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media (prefers-reduced-motion:reduce){.hint::before{animation:none}}
.step.finale{min-height:calc(var(--vh) * 150)}
.step.finale h2{font-size:clamp(2.2rem,1.2rem + 3.4vw,4.2rem);font-weight:340}
.step.finale .card{max-width:38rem}

/* depth and time readout */
#hud{position:absolute;left:max(18px,5.5vw);bottom:calc(var(--vh) * 5);z-index:3;color:#fbf5ea;padding:.55rem .75rem .6rem;margin-left:-.75rem;border-radius:5px;background:rgba(12,8,5,calc(var(--card-a) * .9));font-family:var(--mono);pointer-events:none;transition:opacity .6s;display:grid;grid-template-columns:auto 1fr;column-gap:.5rem;align-items:baseline;justify-content:start}
#hud[data-off="1"]{opacity:0}
#hud-n{font:400 clamp(1.5rem,1.1rem + 1.2vw,2.3rem)/1 var(--mono);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
#hud-u{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase}
#hud-s{grid-column:1/-1;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;margin-top:.35rem}
html:not(.in-story) #hud{opacity:0}

/* chapter dots, far right */
.rail{position:fixed;right:10px;top:50%;transform:translateY(-50%);z-index:15;display:flex;flex-direction:column;gap:2px;opacity:0;transition:opacity .5s;pointer-events:none}
.in-story .rail{opacity:1;pointer-events:auto}
.rail a{position:relative;width:18px;height:16px;display:block}
.rail a::before{content:"";position:absolute;left:7px;top:6px;width:4px;height:4px;border-radius:50%;background:#f3eadc;opacity:.5;transition:.25s;box-shadow:0 0 0 1px rgba(11,8,6,.35)}
.rail a[aria-current]::before{opacity:1;background:var(--accent);transform:scale(1.7)}
.rail a span{position:absolute;right:22px;top:50%;transform:translateY(-50%);white-space:nowrap;font:500 .66rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#f3eadc;background:rgba(11,8,6,.86);padding:.4rem .55rem;border-radius:3px;opacity:0;pointer-events:none;transition:opacity .2s}
.rail a:hover span,.rail a:focus-visible span{opacity:1}
@media (max-width:820px),print{.rail{display:none}}

/* after the story */
.block{position:relative;z-index:3;background:var(--bg);padding:clamp(3rem,8vw,6rem) max(18px,5.5vw)}
.block.tint{background:var(--bg-2)}
.wrap{max-width:42rem;margin:0 auto}
.block h2{font:400 clamp(1.6rem,1.2rem + 1.4vw,2.3rem)/1.1 var(--serif);font-variation-settings:"opsz" 96;margin:0 0 1rem}
.block p,.block li{color:var(--ink-2)}
.block li{margin-bottom:.7rem}
.block ol,.block ul{padding-left:1.2rem}
.small{font-size:.92rem}
.share-row{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin:1.4rem 0 .6rem}
.share-row .lbl{font:500 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-right:.4rem}
.share-row a,.share-row button{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.share-row a:hover,.share-row button:hover{border-color:var(--accent);color:var(--accent)}
.share-row svg{width:18px;height:18px}
@media (pointer:coarse){.share-row a,.share-row button{width:44px;height:44px}}
#share-status{min-height:1.4em;font:500 .8rem/1.4 var(--mono);color:var(--accent)}
footer{position:relative;z-index:3;background:var(--bg);border-top:1px solid var(--line);padding:1.6rem max(18px,5.5vw) 2.4rem;display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;font:500 .74rem/1.5 var(--mono);letter-spacing:.06em;color:var(--ink-2)}
footer a{color:var(--ink)}

/* phones: text at the foot of the window, the picture above it */
@media (max-width:820px){
  .step{align-items:flex-end;padding:0 14px calc(var(--vh) * 10);min-height:calc(var(--vh) * 125)}
  .step .card{max-width:none;width:100%;padding:1.1rem 1.1rem .5rem;background:rgba(12,8,5,calc(.74 + var(--card-a) * .2));border-radius:10px}
  :root.light .step .card{background:var(--card-bg)}
  .step .card::before{display:none}
  .step.hero{padding-bottom:calc(var(--vh) * 9)}
  .step.hero .card{background:transparent}
  .step.center{text-align:left}
  #hud{left:14px;top:54px;bottom:auto;margin-left:0}
  #hud-n{font-size:1.25rem}
  .topbar .home span{display:none}
}
@media print{.stage{display:none}.steps{margin-top:0}.step{min-height:0;padding:1rem}.step .card{color:#000}.step p{color:#222;text-shadow:none}}

/* the probe's photograph, after the story */
.block figure{margin:2rem 0 0}
.block figure img{display:block;width:100%;max-width:26rem;height:auto;border-radius:4px;border:1px solid var(--line)}
.block figcaption{font-size:.88rem;color:var(--ink-2);margin-top:.7rem;max-width:34rem}
.step .tag{color:var(--accent)}
.step.hero .card p.kicker,.step.hero .card p.hint{color:#ffd9a8}
.step.hero .card p.deck{color:#f3eadc;text-shadow:0 1px 18px rgba(0,0,0,.75)}
:root.light .step.hero .card{background:transparent}