@font-face{font-family:"Fraunces";font-style:normal;font-weight:300 900;font-display:swap;src:url(fonts/Fraunces-display.woff2) format("woff2")}
@font-face{font-family:"Atkinson Next";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/AtkinsonHyperlegibleNext.woff2) format("woff2")}

/* ------------------------------------------------------------------ tokens */
:root{
  color-scheme:light;
  --bg:#edf3ea; --bg-2:#e1ebdc; --surface:#f8fbf5; --surface-2:#e7f0e1;
  --text:#14201f; --text-2:#2f3d3a; --muted:#3c4945;
  --line:#b3c4ad; --line-soft:#cfdcc9;
  --accent:#07443f; --accent-ink:#ffffff; --accent-soft:#d9ece5;
  --hot:#7a260d; --hot-soft:#f6dccf;
  --gold:#6b4a00; --gold-soft:#f5e3b3;
  --ok:#14532d; --ok-soft:#d7eedd; --no:#8a1c1c; --no-soft:#f7d9d6;
  --sky-1:#e4f3ec; --sky-2:#bfe0d2; --sky-3:#93c9b4; --sun:#fff6d8;
  --sea-1:#57a08d; --sea-2:#2a7263; --moss-far:#a9c4a5; --moss-mid:#63907a; --moss-near:#27493d;
  --bear:#8a4d16; --bear-soft:#c98d4e;
  --stage-sky:#f4f8f0; --stage-ground:#d9c9a3; --stage-grid:#cfc4a4; --stage-you:#7a260d;
  --chip-0:#d9ece5; --chip-1:#f5e3b3; --chip-2:#f6dccf;
  --shadow:0 1px 2px rgba(30,60,45,.08),0 8px 30px rgba(30,60,45,.10);
  --bar-h:3.25rem;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Atkinson Next","Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0b1716; --bg-2:#0f1f1d; --surface:#132623; --surface-2:#19312d;
  --text:#f6eedc; --text-2:#dcd3be; --muted:#b9c2b4;
  --line:#35504a; --line-soft:#24403a;
  --accent:#7fe0c3; --accent-ink:#06201b; --accent-soft:#173a33;
  --hot:#ffab8f; --hot-soft:#3b2119;
  --gold:#ffd27a; --gold-soft:#3a2f14;
  --ok:#9be7b4; --ok-soft:#14352a; --no:#ffb0a8; --no-soft:#3d1c1a;
  --sky-1:#08131a; --sky-2:#0e2a33; --sky-3:#1d4a52; --sun:#f2ecd4;
  --sea-1:#17424c; --sea-2:#0c262c; --moss-far:#16323a; --moss-mid:#0f262b; --moss-near:#071418;
  --bear:#eab264; --bear-soft:#9a6c33;
  --stage-sky:#10231f; --stage-ground:#2b463f; --stage-grid:#3a5a50; --stage-you:#ffab8f;
  --chip-0:#173a33; --chip-1:#3a2f14; --chip-2:#3b2119;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px rgba(0,0,0,.45);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#0b1716; --bg-2:#0f1f1d; --surface:#132623; --surface-2:#19312d;
    --text:#f6eedc; --text-2:#dcd3be; --muted:#b9c2b4;
    --line:#35504a; --line-soft:#24403a;
    --accent:#7fe0c3; --accent-ink:#06201b; --accent-soft:#173a33;
    --hot:#ffab8f; --hot-soft:#3b2119;
    --gold:#ffd27a; --gold-soft:#3a2f14;
    --ok:#9be7b4; --ok-soft:#14352a; --no:#ffb0a8; --no-soft:#3d1c1a;
    --sky-1:#08131a; --sky-2:#0e2a33; --sky-3:#1d4a52; --sun:#f2ecd4;
    --sea-1:#17424c; --sea-2:#0c262c; --moss-far:#16323a; --moss-mid:#0f262b; --moss-near:#071418;
    --bear:#eab264; --bear-soft:#9a6c33;
    --stage-sky:#10231f; --stage-ground:#2b463f; --stage-grid:#3a5a50; --stage-you:#ffab8f;
    --chip-0:#173a33; --chip-1:#3a2f14; --chip-2:#3b2119;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px rgba(0,0,0,.45);
  }
}

/* ------------------------------------------------------------------ base */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:1.125rem;line-height:1.62;overflow-x:clip;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
img{height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:.08em}
a:hover{text-decoration-thickness:.14em}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
button{font:inherit;color:inherit}
[hidden]{display:none !important}
.defs{position:absolute;width:0;height:0;overflow:hidden}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.6rem 1rem;z-index:100;border-radius:0 0 .5rem 0}
.skip:focus{left:0}
.vh{position:absolute !important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

h1,h2,h3{font-family:var(--serif);font-variation-settings:"SOFT" 100;line-height:1.04;letter-spacing:-.015em;margin:0;text-wrap:balance}
h1{font-weight:850;font-size:clamp(2.5rem,7.6vw,5.9rem)}
h2{font-weight:800;font-size:clamp(2rem,5vw,3.6rem)}
h3{font-weight:750;font-size:clamp(1.35rem,2.6vw,1.8rem);line-height:1.15}
p{margin:0 0 1.1em}
.wrap{width:min(100% - 2.5rem,41rem);margin-inline:auto}
.wide{width:min(100% - 2.5rem,74rem);margin-inline:auto}
section{scroll-margin-top:calc(var(--bar-h) + .75rem)}
.chapter{padding:clamp(4rem,10vw,8rem) 0 clamp(2rem,5vw,4rem)}
.chapter-head{margin-bottom:clamp(1.5rem,3vw,2.5rem)}
.kicker{font-family:var(--sans);font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--hot);margin:0 0 .9rem}
.lede{font-size:clamp(1.2rem,2.2vw,1.45rem);line-height:1.5;color:var(--text-2)}
.note{font-size:.95rem;color:var(--muted)}
strong{font-weight:700}
.num{font-variant-numeric:tabular-nums}

/* ------------------------------------------------------------------ top bar */
.topbar{position:sticky;top:0;z-index:50;height:var(--bar-h);display:flex;align-items:center;gap:.4rem;padding:0 max(.75rem,env(safe-area-inset-left)) 0 max(.9rem,env(safe-area-inset-left));background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.topbar .home{font-weight:700;font-size:.95rem;color:var(--text);text-decoration:none;white-space:nowrap;padding:.7rem .3rem}
.topnav{display:flex;gap:.1rem;overflow-x:auto;scrollbar-width:none;min-width:0;flex:0 1 auto;margin-left:.5rem}
.topnav::-webkit-scrollbar{display:none}
.topnav a{white-space:nowrap;text-decoration:none;color:var(--text-2);font-size:.95rem;padding:.7rem .6rem;border-radius:.5rem}
.topnav a[aria-current="true"]{color:var(--accent);font-weight:700}
.spacer{flex:1 1 0}
.chip{display:inline-flex;align-items:center;min-height:2.75rem;padding:0 .8rem;border:1px solid var(--line);border-radius:999px;color:var(--text);text-decoration:none;font-size:.9rem;font-weight:600;white-space:nowrap}
.icon-btn{display:inline-grid;place-items:center;width:2.75rem;height:2.75rem;border-radius:50%;border:1px solid var(--line);background:transparent;cursor:pointer;flex:none}
.icon-btn svg{display:block}
.icon-btn svg[hidden]{display:none}

/* ------------------------------------------------------------------ reading rail */
.rail{display:none}
@media (min-width:76rem){
  .rail{display:flex;flex-direction:column;gap:.15rem;position:fixed;right:1.1rem;top:50%;transform:translateY(-50%);z-index:40}
  .rail-dot{display:flex;align-items:center;justify-content:flex-end;gap:.55rem;min-height:1.6rem;text-decoration:none;color:var(--text)}
  .rail-dot .dot{width:7px;height:7px;border-radius:50%;background:var(--line);transition:transform .2s,background .2s}
  .rail-dot[aria-current="true"] .dot{background:var(--hot);transform:scale(1.6)}
  .rail-label{font-size:.8rem;font-weight:600;opacity:0;transform:translateX(6px);transition:opacity .15s,transform .15s;background:var(--surface);border:1px solid var(--line-soft);padding:.1rem .5rem;border-radius:.4rem;pointer-events:none}
  .rail-dot:hover .rail-label,.rail-dot:focus-visible .rail-label{opacity:1;transform:none}
}

/* ------------------------------------------------------------------ hero */
.hero{position:relative;min-height:calc(100svh - var(--bar-h));display:grid;align-items:end;overflow:clip;isolation:isolate}
.scene{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,var(--sky-1) 0%,var(--sky-2) 42%,var(--sky-3) 66%,var(--sea-1) 66.2%,var(--sea-2) 100%)}
.scene .layer{position:absolute;inset:0;will-change:transform;transform:translate3d(0,calc(var(--sy,0) * var(--depth,0) * 1px),0)}
.scene svg{position:absolute;display:block;max-width:none}
.sun{position:absolute;left:68%;top:30%;width:min(34vw,18rem);aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,var(--sun) 0 34%,color-mix(in srgb,var(--sun) 35%,transparent) 36%,transparent 70%)}
.stars{position:absolute;inset:0 0 40% 0;opacity:0;background-image:radial-gradient(1.2px 1.2px at 12% 22%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 28% 64%,#fff 50%,transparent 51%),radial-gradient(1.4px 1.4px at 44% 14%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 57% 48%,#fff 50%,transparent 51%),radial-gradient(1.2px 1.2px at 83% 18%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 91% 58%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 7% 78%,#fff 50%,transparent 51%),radial-gradient(1.3px 1.3px at 36% 38%,#fff 50%,transparent 51%)}
:root[data-theme="dark"] .stars{opacity:.85}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .stars{opacity:.85}}
.moss{left:0;right:0;width:100%;bottom:0}
.moss.far{bottom:30%;height:16%;fill:var(--moss-far)}
.moss.near{bottom:-1px;height:24%;fill:var(--moss-near)}
.drifter{position:absolute;left:0;top:16%;width:min(40vw,26rem);animation:glide 44s linear infinite;animation-delay:-14s}
.drifter svg{position:static;width:100%;height:auto;animation:bob 6s ease-in-out infinite}
@keyframes glide{from{transform:translateX(-50vw)}to{transform:translateX(120vw)}}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-14px) rotate(1.5deg)}}
.dew{position:absolute;border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.85) 0 18%,color-mix(in srgb,var(--sea-1) 55%,transparent) 60%,transparent 72%);border:1px solid color-mix(in srgb,var(--sea-1) 60%,transparent)}
.dew.w1{left:12%;top:52%;width:3.2rem;height:3.2rem}
.dew.w2{left:78%;top:44%;width:2.1rem;height:2.1rem}
.dew.w3{left:58%;top:60%;width:1.4rem;height:1.4rem}
.tun-rest{position:absolute;right:10%;bottom:6%;width:min(16vw,9rem)}
.tun-rest svg{position:static;width:100%;height:auto}
.hero-copy{position:relative;padding:clamp(1.5rem,5vw,4rem) 0 clamp(2rem,6vw,4.5rem);width:min(100% - 2.5rem,74rem);margin-inline:auto}
.hero-copy .panel{max-width:46rem;background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--line-soft);border-radius:1.4rem;padding:clamp(1.2rem,3vw,2.2rem);box-shadow:var(--shadow)}
.hero h1{margin-bottom:.9rem}
.hero .deck{font-size:clamp(1.15rem,2.1vw,1.4rem);line-height:1.45;color:var(--text-2);margin:0 0 1.3rem;max-width:38rem}
.byline{font-size:.92rem;color:var(--muted);margin:1rem 0 0}
.cta{display:inline-flex;align-items:center;gap:.6rem;min-height:3rem;padding:.2rem 1.3rem;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-weight:700;text-decoration:none;border:0;cursor:pointer}
.cta:hover{filter:brightness(1.08)}
.cta svg{transition:transform .2s}
.cta:hover svg{transform:translateY(3px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:3rem;padding:.2rem 1.15rem;border-radius:999px;border:2px solid var(--accent);background:transparent;color:var(--accent);font-weight:700;text-decoration:none;cursor:pointer}
.btn[aria-pressed="true"],.btn.solid{background:var(--accent);color:var(--accent-ink)}
.btn:disabled{opacity:.5;cursor:default}

/* tardigrade glyph */
.t-body{fill:var(--bear)}
.t-seg{fill:none;stroke:var(--bear-soft);stroke-width:3;stroke-linecap:round}
.t-snout{fill:var(--bear)}
.t-eye{fill:var(--surface)}
.t-leg{fill:none;stroke:var(--bear);stroke-width:9;stroke-linecap:round}
circle.t-leg{fill:var(--bear);stroke:none}
.t-claw{stroke:var(--bear);stroke-width:2.4;stroke-linecap:round}
.t-ring{fill:none;stroke:var(--bear);stroke-width:6;stroke-dasharray:11 8}
.t-dot{fill:var(--bear)}
.t-ray{stroke:var(--bear);stroke-width:6;stroke-linecap:round}

/* ------------------------------------------------------------------ share */
.share{padding:1.2rem 0 0}
.share-row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.share-row .lab{font-size:.92rem;color:var(--muted);margin-right:.2rem}
.share-row a,.share-row button{display:inline-flex;align-items:center;min-height:3rem;padding:0 1rem;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:.95rem;font-weight:600;text-decoration:none;cursor:pointer}
.share-status{font-size:.92rem;color:var(--ok);min-height:1.2em;margin:.4rem 0 0}
.share-field{width:100%;margin-top:.5rem;padding:.6rem;border:1px solid var(--line);border-radius:.5rem;background:var(--surface);color:var(--text);font:inherit;font-size:.9rem}

/* ------------------------------------------------------------------ figures */
figure{margin:clamp(1.8rem,4vw,3rem) 0}
figure img{border-radius:1rem;border:1px solid var(--line-soft);background:var(--surface-2);width:100%}
figcaption{font-size:.93rem;line-height:1.5;color:var(--text-2);margin-top:.7rem}
figcaption .credit{display:block;color:var(--muted);font-size:.85rem;margin-top:.25rem}
.fig-wide{width:min(100% - 2.5rem,62rem);margin-inline:auto}
.fig-full{width:min(100% - 1.5rem,88rem);margin-inline:auto}
.fig-full img{border-radius:1.4rem}
.fig-narrow{width:min(100% - 2.5rem,30rem);margin-inline:auto}
.duo{display:grid;gap:1.2rem}
@media (min-width:52rem){.duo{grid-template-columns:1fr 1fr;align-items:start}}

/* ------------------------------------------------------------------ the millimetre zoom */
.zoom{background:var(--surface);border:1px solid var(--line-soft);border-radius:1.6rem;box-shadow:var(--shadow);overflow:clip}
.zoom-view{background:var(--stage-sky);padding:1rem .5rem .2rem}
.ruler-scroll{overflow-x:auto;scrollbar-width:thin}
.ruler-svg{display:block;width:100%;min-width:620px;height:auto}
.grid-svg{display:block;width:100%;max-width:34rem;height:auto;margin:0 auto}
.z-axis{stroke:var(--text);stroke-width:2}
.z-ticks line{stroke:var(--text);stroke-width:2}
.z-ticks text,.z-unit{font-family:var(--sans);fill:var(--text-2)}
.z-ticks text{font-size:24px;font-variant-numeric:tabular-nums}
.z-unit{font-size:26px;font-weight:700}
.z-band{fill:var(--accent-soft);opacity:.85}
.z-you line{stroke:var(--stage-you);stroke-width:3}
.z-you circle{fill:var(--stage-you)}
.z-you .z-tag{fill:var(--stage-you)}
.z-bear line{stroke:var(--bear);stroke-width:3}
.z-bear circle{fill:var(--bear)}
.z-bear .z-tag{fill:var(--bear)}
.z-tag{font-family:var(--sans);font-size:26px;font-weight:700;font-variant-numeric:tabular-nums}
.z-cell{fill:var(--surface);stroke:var(--stage-grid);stroke-width:2}
.z-grid line{stroke:var(--stage-grid);stroke-width:2}
.z-mm{font-family:var(--sans);font-size:24px;fill:var(--muted)}
.z-finder{fill:none;stroke:var(--bear);stroke-width:3;stroke-dasharray:8 6}
.zoom-hud{display:grid;gap:1rem;padding:1.1rem 1.2rem 1.4rem}
@media (min-width:56rem){.zoom-hud{grid-template-columns:1.25fr 1fr;gap:2rem;padding:1.4rem 1.8rem 1.8rem}}
.zoom-say{font-size:1.12rem;margin:0 0 .6rem}
.zoom-say b{color:var(--hot)}
.zoom-hud .range{font-size:.95rem;color:var(--muted);margin:0}
.controls{display:grid;gap:.9rem;align-content:start}
.slider label{display:flex;justify-content:space-between;font-weight:700;font-size:1rem}
.slider output{color:var(--hot);font-variant-numeric:tabular-nums;white-space:nowrap}
input[type=range]{width:100%;height:2.75rem;accent-color:var(--hot);margin:0;background:transparent}

/* ------------------------------------------------------------------ commit-then-reveal quizzes */
.quiz-cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1.5rem 0 1rem}
.quiz-card{display:grid;gap:.6rem;justify-items:center;padding:1rem .8rem 1.1rem;border:2px solid var(--line-soft);border-radius:1.3rem;background:var(--surface);cursor:pointer;font-weight:700;color:var(--text);min-height:3rem;font-size:1rem;line-height:1.35}
.quiz-card svg{width:100%;max-width:11rem;height:auto}
.quiz-card.right{border-color:var(--ok);background:var(--ok-soft)}
.quiz-card.wrong{border-color:var(--no);background:var(--no-soft)}
.verdict{border-left:5px solid var(--accent);background:var(--surface);padding:1rem 1.2rem;border-radius:0 1rem 1rem 0}
.verdict p:last-child{margin-bottom:0}

/* ------------------------------------------------------------------ the mission chart */
.chart-h{margin-bottom:1rem}
.chart{display:block;width:100%;max-width:38rem;height:auto;margin:0 auto;background:var(--surface);border:1px solid var(--line-soft);border-radius:1.4rem}
.c-earth{fill:var(--sea-1)}
.c-craft{fill:var(--hot);stroke:var(--surface);stroke-width:3}
.c-orbit{font-family:var(--sans);font-size:26px;font-weight:700;fill:var(--text)}
.c-lab{font-family:var(--sans);font-size:30px;font-weight:700;fill:var(--text)}
.c-chip{stroke:var(--line);stroke-width:2}
.c-chip.c0{fill:var(--chip-0)}.c-chip.c1{fill:var(--chip-1)}.c-chip.c2{fill:var(--chip-2)}
.c-out{font-family:var(--sans);font-size:27px;fill:var(--text)}

/* ------------------------------------------------------------------ what the sources cannot say */
.cannot{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:0 1.2rem 1.2rem 0;padding:1.2rem 1.3rem;margin-top:1.5rem}
.cannot h3{margin-bottom:.7rem}
.cannot ul{margin:0;padding-left:1.2rem;display:grid;gap:.5rem;font-size:1rem}
.cannot li::marker{color:var(--gold)}

/* ------------------------------------------------------------------ game */
.game{background:var(--surface);border:1px solid var(--line-soft);border-radius:1.6rem;box-shadow:var(--shadow);padding:clamp(1.2rem,3vw,2.2rem)}
.game-progress{display:flex;gap:.35rem;margin:0 0 1.2rem;padding:0;list-style:none}
.game-progress li{flex:1;height:.5rem;border-radius:999px;background:var(--surface-2);border:1px solid var(--line-soft)}
.game-progress li.ok{background:var(--ok);border-color:var(--ok)}
.game-progress li.no{background:var(--no);border-color:var(--no)}
.game-progress li.now{border-color:var(--text)}
.q{font-family:var(--serif);font-variation-settings:"SOFT" 100;font-weight:750;font-size:clamp(1.45rem,3.2vw,2.1rem);line-height:1.15;margin:0 0 1.2rem;text-wrap:balance}
.answers{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;max-width:30rem}
.answers button{min-height:3.6rem;border-radius:1rem;border:2px solid var(--line);background:var(--bg);font-weight:800;font-size:1.1rem;cursor:pointer}
.answers button:hover:not(:disabled){border-color:var(--accent)}
.answers button.picked.ok{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
.answers button.picked.no{background:var(--no-soft);border-color:var(--no);color:var(--no)}
.answers button.truth{border-color:var(--ok)}
.explain{margin-top:1.2rem;padding:1rem 1.2rem;border-radius:1rem;background:var(--bg);border:1px solid var(--line-soft)}
.explain .tag{font-weight:800}
.explain .tag.ok{color:var(--ok)}.explain .tag.no{color:var(--no)}
.explain p{margin:.2rem 0 .8rem}
.result h3{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:.5rem}
.result .score{font-weight:800;color:var(--hot);font-size:1.2rem}
.all-answers{margin:1.5rem 0 0;padding:0;list-style:none;display:grid;gap:.9rem}
.all-answers li{padding:.9rem 1.1rem;border:1px solid var(--line-soft);border-radius:1rem;background:var(--surface)}
.all-answers .tag{font-weight:800;margin-right:.4rem}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:80}

/* ------------------------------------------------------------------ sources */
.sources{font-size:.97rem}
.sources h3{margin:2rem 0 .6rem;font-size:1.25rem}
.sources ul{padding-left:1.1rem;margin:0}
.sources li{margin-bottom:.55rem;overflow-wrap:anywhere}
.site-footer{border-top:1px solid var(--line-soft);padding:2rem 1.25rem 3rem;text-align:center;font-size:.95rem;color:var(--text-2);margin-top:4rem}
.site-footer p{margin:0}

/* ------------------------------------------------------------------ reveal on scroll (only when scripts run) */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
.pop{animation:pop .45s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{0%{transform:scale(.92)}60%{transform:scale(1.04)}100%{transform:scale(1)}}

.nf{min-height:100svh;display:grid;place-items:center;text-align:center}
.nf-main h1{font-size:clamp(2rem,6vw,3.5rem);margin-bottom:1rem}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .drifter{animation:none;left:8%}
  .drifter svg{animation:none}
  .scene .layer{transform:none !important}
  .js .reveal,.js .reveal.in{opacity:1 !important;transform:none !important;transition:none !important}
  .pop{animation:none}
  .cta svg{transition:none}
}
@media print{.topbar,.rail,.share,.scene,.confetti{display:none}}

/* ------------------------------------------------------------------ hero depths (no inline styles: the CSP forbids them) */
.layer.d1{--depth:.10}.layer.d2{--depth:.18}.layer.d3{--depth:.05}.layer.d4{--depth:.30}

/* ------------------------------------------------------------------ phone corrections */
@media (max-width:40rem){
  .hero{min-height:calc(100svh - var(--bar-h))}
  .hero-copy{padding:42svh 0 1.2rem}
  .hero-copy .panel{padding:1.1rem 1.1rem 1.2rem;border-radius:1.2rem}
  .hero h1{font-size:clamp(2rem,9vw,2.6rem)}
  .hero .deck{font-size:1.05rem;margin-bottom:1rem}
  .byline{font-size:.85rem}
  .moss.far{bottom:auto;top:24%;height:14%}.moss.near{bottom:auto;top:31%;height:30%}
  .scene{background:linear-gradient(180deg,var(--sky-1) 0%,var(--sky-2) 16%,var(--sky-3) 30%,var(--sea-1) 30.2%,var(--sea-2) 100%)}
  .sun{top:15%;left:74%;width:30vw}
  .drifter{width:64vw;top:9%}
  .tun-rest{right:6%;bottom:auto;top:34%;width:22vw}
  .c-lab{font-size:34px}.c-out{font-size:30px}.c-orbit{font-size:30px}
  .z-ticks text{font-size:30px}.z-tag{font-size:30px}.z-mm{font-size:28px}
  .quiz-cards{grid-template-columns:1fr}
}
@media (min-width:40.01rem){
  .hero h1{font-size:clamp(2.6rem,5.2vw,4.6rem)}
  .hero-copy .panel{max-width:37rem}
  .tun-rest{right:22%}
  .drifter{animation-delay:-20s}
}