@font-face { font-family: "Archivo"; font-style: normal; font-display: swap; font-weight: 100 900; font-stretch: 62% 125%;
  src: url(fonts/archivo-latin-standard-normal.woff2?v=e3a28eade2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Archivo"; font-style: normal; font-display: swap; font-weight: 100 900; font-stretch: 62% 125%;
  src: url(fonts/archivo-latin-ext-standard-normal.woff2?v=5717f37059) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Newsreader"; font-style: normal; font-display: swap; font-weight: 200 800;
  src: url(fonts/newsreader-latin-opsz-normal.woff2?v=6e4f2958c3) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Newsreader"; font-style: normal; font-display: swap; font-weight: 200 800;
  src: url(fonts/newsreader-latin-ext-opsz-normal.woff2?v=45683de03d) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Newsreader"; font-style: italic; font-display: swap; font-weight: 200 800;
  src: url(fonts/newsreader-latin-opsz-italic.woff2?v=5dfcd10d24) format("woff2"); }

:root {
  color-scheme: light;
  --bg: #f3efe5;
  --sky: #f3efe5;
  --ink: #16151b;
  --ink-2: #3c3a44;
  --muted: #5e5b66;
  --line: #cfc8b8;
  --line-soft: #ddd6c6;
  --card: rgba(246, 242, 233, 0.95);
  --card-solid: #f8f5ee;
  --accent: #9a4a07;
  --accent-ink: #7a3a05;
  --gold: #a35d00;
  --focus: #1d4ed8;
  --chip: #e9e3d4;
  --bar-1: #9a4a07;
  --bar-2: #c27a2c;
  --bar-3: #d9b07e;
  --bar-4: #e8dcc4;
  --topbar-h: 3rem;
  --serif: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
}
:root[data-theme="dark"] { color-scheme: dark; }
:root[data-theme="dark"], :root:not([data-theme="light"]) { }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #04060d; --sky: #04060d; --ink: #ecebf2; --ink-2: #cfcde0; --muted: #a3a7bd; --line: #2b3047; --line-soft: #20243a;
    --card: rgba(6, 9, 20, 0.92); --card-solid: #0a0e1d; --accent: #f3b34a; --accent-ink: #f7c46c; --gold: #f3b34a; --focus: #8ab4ff;
    --chip: #151a2e; --bar-1: #f3b34a; --bar-2: #c98a3a; --bar-3: #7d6440; --bar-4: #2a2c3c;
  }
}
:root[data-theme="dark"] {
  --bg: #04060d; --sky: #04060d; --ink: #ecebf2; --ink-2: #cfcde0; --muted: #a3a7bd; --line: #2b3047; --line-soft: #20243a;
  --card: rgba(6, 9, 20, 0.92); --card-solid: #0a0e1d; --accent: #f3b34a; --accent-ink: #f7c46c; --gold: #f3b34a; --focus: #8ab4ff;
  --chip: #151a2e; --bar-1: #f3b34a; --bar-2: #c98a3a; --bar-3: #7d6440; --bar-4: #2a2c3c;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--topbar-h) + 1rem); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.125rem/1.6 var(--serif); font-optical-sizing: auto; overflow-x: hidden; }
a { color: var(--accent-ink); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
.skip { position: absolute; left: -999px; top: 0; z-index: 100; background: var(--card-solid); padding: 0.6rem 1rem; }
.skip:focus { left: 1rem; top: 0.5rem; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }

/* ---------- the sky ---------- */
.sky { position: fixed; inset: 0; z-index: 0; background: var(--sky); }
.sky canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.sky .fallback { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.9; }
.sky .fallback img { width: 100%; height: 100%; object-fit: cover; }
#overlay { pointer-events: none; }
.sky-legend { position: fixed; z-index: 2; right: 1rem; bottom: 1rem; font: 500 0.75rem/1.3 var(--sans); color: var(--muted); pointer-events: none;
  display: flex; align-items: center; gap: 0.5rem; background: var(--card); padding: 0.35rem 0.6rem; border-radius: 999px; }
.sky-legend .ramp { width: 9rem; height: 0.4rem; border-radius: 999px; background: linear-gradient(90deg, #e9a23b, #e5603c, #b05ce6, #4f8ff0, #3cc9a2); }
:root[data-theme="light"] .sky-legend .ramp { background: linear-gradient(90deg, #a85d00, #b8341c, #7a2db8, #1f5fc4, #0d8a6b); }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .sky-legend .ramp { background: linear-gradient(90deg, #a85d00, #b8341c, #7a2db8, #1f5fc4, #0d8a6b); } }
.no-gl .sky-legend { display: none; }

/* ---------- topbar ---------- */
.topbar { position: fixed; top: 0; left: 0; right: 0; z-index: 30; height: var(--topbar-h); display: flex; align-items: center; gap: 0.9rem;
  padding: 0 max(1rem, env(safe-area-inset-right)) 0 max(1rem, env(safe-area-inset-left)); background: var(--card-solid); border-bottom: 1px solid var(--line-soft); font: 500 0.875rem/1 var(--sans); white-space: nowrap; }
.topbar .home { color: var(--ink); text-decoration: none; font-weight: 700; font-stretch: 85%; letter-spacing: 0.01em; }
.topnav { display: flex; gap: 1rem; overflow-x: auto; scrollbar-width: none; min-width: 0; flex: 1 1 auto; }
.topnav::-webkit-scrollbar { display: none; }
.topnav a { color: var(--muted); text-decoration: none; padding: 0.9rem 0; }
.topnav a:hover, .topnav a[aria-current="true"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
.spacer { flex: 0 0 0; }
.icon-btn { flex: 0 0 auto; width: 2.25rem; height: 2.25rem; border-radius: 50%; border: 1px solid var(--line); background: transparent; display: grid; place-items: center; cursor: pointer; color: var(--ink); }
.icon-btn svg { display: block; }
.icon-btn svg[hidden] { display: none; }
.icon-btn:hover { border-color: var(--accent); color: var(--accent-ink); }
.lang-chip { flex: 0 0 auto; min-width: 2.25rem; height: 2.25rem; padding: 0 0.55rem; border-radius: 999px; border: 1px solid var(--line); display: inline-grid; place-items: center; color: var(--ink); text-decoration: none; font: 700 0.75rem/1 var(--sans); letter-spacing: 0.06em; }
.lang-chip:hover, .lang-chip:focus-visible { border-color: var(--accent); color: var(--accent-ink); }

/* ---------- rail ---------- */
.rail { position: fixed; right: 0.75rem; top: 50%; transform: translateY(-50%); z-index: 20; display: flex; flex-direction: column; gap: 0.15rem; align-items: flex-end; font: 500 0.75rem/1 var(--sans); }
.rail a { position: relative; display: flex; align-items: center; justify-content: center; text-decoration: none; color: var(--muted); padding: 0.3rem 0.25rem; min-height: 1.6rem; }
.rail .lbl { position: absolute; right: 1.6rem; top: 50%; transform: translateY(-50%); white-space: nowrap; pointer-events: none; opacity: 0; transition: opacity 0.2s; background: var(--card-solid); padding: 0.2rem 0.4rem; border-radius: 4px; }
.rail a:hover .lbl, .rail a:focus-visible .lbl, .rail a[aria-current="true"] .lbl { opacity: 1; }
.rail .mark { width: 0.55rem; height: 0.55rem; border-radius: 50%; border: 1px solid var(--muted); background: var(--card-solid); }
.rail a[aria-current="true"] .mark { background: var(--accent); border-color: var(--accent); }
@media (max-width: 1100px) { .rail { display: none; } }

/* ---------- story ---------- */
main { position: relative; z-index: 5; pointer-events: none; }
main > * { pointer-events: none; }
.panel, .hero-card, .wide, .site-footer, .share, .tool, .tablewrap, .explore-cta { pointer-events: auto; }
.story { width: min(36rem, calc(100% - 2rem)); margin-left: max(1rem, 6vw); }
section { scroll-margin-top: calc(var(--topbar-h) + 0.75rem); }
.hero { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; padding: calc(var(--topbar-h) + 2rem) 0 2.5rem; }
.hero-card { background: var(--card); border-radius: 14px; padding: 1.4rem 1.5rem 1.2rem; border: 1px solid var(--line-soft); }
.kicker { font: 600 0.8rem/1.3 var(--sans); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); margin: 0 0 0.6rem; }
h1, h2, h3 { font-family: var(--sans); font-stretch: 78%; line-height: 1.02; letter-spacing: -0.005em; margin: 0; }
h1 { font-size: clamp(2.1rem, 5.4vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; margin-bottom: 0.9rem; }
h3 { font-size: 1.25rem; font-weight: 700; font-stretch: 85%; margin: 1.5rem 0 0.5rem; }
.deck { font-size: 1.2rem; line-height: 1.5; color: var(--ink-2); margin: 1rem 0 0; }
.figs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin: 1.2rem 0 0.4rem; padding: 0; list-style: none; }
.figs li { border-top: 2px solid var(--accent); padding-top: 0.45rem; }
.figs b { display: block; font: 800 1.75rem/1 var(--sans); font-stretch: 80%; color: var(--ink); }
.figs span { display: block; font: 500 0.8rem/1.3 var(--sans); color: var(--muted); margin-top: 0.3rem; }
.byline { font: 400 0.85rem/1.45 var(--sans); color: var(--muted); margin: 1rem 0 0; }
.scroll-cue { font: 500 0.8rem/1 var(--sans); color: var(--muted); margin: 1.2rem 0 0; display: flex; gap: 0.4rem; align-items: center; }

.share { margin: 0 0 2rem; }
.share-row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; background: var(--card); border-radius: 999px; padding: 0.35rem 0.6rem; width: max-content; max-width: 100%; }
.share-label { font: 500 0.8rem/1 var(--sans); color: var(--muted); margin-right: 0.2rem; }
.sh { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-soft); background: transparent; display: inline-grid; place-items: center; color: var(--ink); cursor: pointer; text-decoration: none; }
.sh:hover, .sh:focus-visible { color: var(--accent-ink); border-color: var(--accent); }
.sh svg { width: 18px; height: 18px; }
@media (pointer: coarse) { .sh { width: 44px; height: 44px; } }
.share-status { font: 500 0.8rem/1.2 var(--sans); color: var(--muted); min-height: 1.2em; margin: 0.4rem 0 0 0.6rem; }
.share-status input { font: inherit; width: 100%; max-width: 24rem; }

.chapter { padding: 30vh 0 6vh; }
.chapter:first-of-type { padding-top: 10vh; }
.panel { background: var(--card); border: 1px solid var(--line-soft); border-radius: 14px; padding: 1.4rem 1.5rem; margin-bottom: 1.2rem; }
.panel p { margin: 0 0 0.9rem; }
.panel p:last-child { margin-bottom: 0; }
.h2row { display: flex; align-items: baseline; gap: 0.5rem; }
.h2row h2 { flex: 1 1 auto; }
.anchor { font: 600 1rem/1 var(--sans); color: var(--muted); text-decoration: none; min-width: 44px; min-height: 44px; display: inline-grid; place-items: center; opacity: 0.55; }
.anchor:hover, .anchor:focus-visible { opacity: 1; color: var(--accent-ink); }
.note { font: 400 0.9rem/1.45 var(--sans); color: var(--muted); }
.spacer-step { height: 55vh; }

/* ---------- connect tool ---------- */
.tool { background: var(--card-solid); border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem 1.2rem 1.2rem; margin: 0 0 1.2rem; font-family: var(--sans); }
.pair { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0.6rem; align-items: end; }
.field label { display: block; font: 600 0.75rem/1.2 var(--sans); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.35rem; }
.combo { position: relative; }
.combo input { width: 100%; height: 2.9rem; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); padding: 0 0.8rem; font: 500 1rem/1 var(--sans); }
.combo input:focus { border-color: var(--accent); }
.combo ul { position: absolute; z-index: 40; left: 0; right: 0; top: calc(100% + 4px); margin: 0; padding: 0.3rem; list-style: none; background: var(--card-solid); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,.25); max-height: 20rem; overflow-y: auto; }
.combo li { padding: 0.55rem 0.6rem; border-radius: 6px; cursor: pointer; display: flex; justify-content: space-between; gap: 0.8rem; font: 500 0.95rem/1.2 var(--sans); }
.combo li small { color: var(--muted); font-weight: 400; white-space: nowrap; }
.combo li[aria-selected="true"], .combo li:hover { background: var(--chip); }
.swap { height: 2.9rem; width: 2.9rem; border-radius: 50%; border: 1px solid var(--line); background: transparent; cursor: pointer; display: grid; place-items: center; }
.swap:hover { border-color: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.8rem; }
.btn { min-height: 2.75rem; padding: 0 1rem; border-radius: 999px; border: 1px solid var(--line); background: transparent; cursor: pointer; font: 600 0.9rem/1 var(--sans); color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--card-solid); }
.btn:hover { border-color: var(--accent); }
.btn[aria-pressed="true"] { background: var(--chip); border-color: var(--accent); }
.result { margin-top: 1rem; }
.result-head { font: 700 1.35rem/1.2 var(--sans); font-stretch: 85%; margin: 0 0 0.6rem; }
.result-head b { color: var(--accent-ink); }
.chain { list-style: none; margin: 0; padding: 0; counter-reset: link; }
.chain li { position: relative; padding: 0 0 0.9rem 2.1rem; border-left: 2px solid var(--line); margin-left: 0.7rem; font: 400 0.95rem/1.4 var(--sans); }
.chain li:last-child { border-left-color: transparent; padding-bottom: 0; }
.chain li::before { counter-increment: link; content: counter(link); position: absolute; left: -0.78rem; top: 0; width: 1.45rem; height: 1.45rem; border-radius: 50%; background: var(--accent); color: var(--card-solid); font: 700 0.75rem/1.45rem var(--sans); text-align: center; }
.chain .who { font-weight: 700; display: block; }
.chain .sess { color: var(--ink-2); }
.chain .multi { display: block; font-size: 0.8rem; color: var(--muted); font-style: italic; margin-top: 0.15rem; }
.chain .src { font-size: 0.8rem; }
.shared { border: 1px solid var(--accent); border-radius: 10px; padding: 0.8rem 0.9rem; margin: 0 0 1rem; font-family: var(--sans); }
.shared p { margin: 0; }
.shared-lbl { font: 600 0.75rem/1.2 var(--sans); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); }
.shared-text { font: 700 1.2rem/1.3 var(--sans); font-stretch: 85%; margin: 0.3rem 0 0.6rem !important; }
.shared-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.shared-actions .btn { display: inline-grid; place-items: center; text-decoration: none; }
.result-share { margin-top: 0.9rem; background: transparent; padding: 0; }
.status { font: 500 0.85rem/1.3 var(--sans); color: var(--muted); min-height: 1.3em; margin: 0.6rem 0 0; }

/* ---------- reach ---------- */
.picker { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0 0 0.9rem; }
.reach { font-family: var(--sans); }
.reach-bar { display: flex; height: 1.4rem; border-radius: 6px; overflow: hidden; background: var(--bar-4); margin: 0.4rem 0 0.5rem; }
.reach-bar span { display: block; height: 100%; transition: width 0.6s ease; }
.reach-bar .r1 { background: var(--bar-1); } .reach-bar .r2 { background: var(--bar-2); } .reach-bar .r3 { background: var(--bar-3); }
.reach-key { display: flex; flex-wrap: wrap; gap: 0.3rem 1rem; font: 500 0.8rem/1.3 var(--sans); color: var(--muted); margin: 0; padding: 0; list-style: none; }
.reach-key i.k1 { background: var(--bar-1); } .reach-key i.k2 { background: var(--bar-2); } .reach-key i.k3 { background: var(--bar-3); } .reach-key i.k4 { background: var(--bar-4); }
.reach-key i { display: inline-block; width: 0.7rem; height: 0.7rem; border-radius: 2px; vertical-align: -0.05rem; margin-right: 0.3rem; }
.reach-out { font: 500 1rem/1.45 var(--sans); margin: 0.6rem 0 0; }
table { border-collapse: collapse; width: 100%; font: 400 0.9rem/1.35 var(--sans); }
th, td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
th { font-weight: 700; color: var(--muted); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; }
.tablewrap { overflow-x: auto; }
tr.quiet td:nth-child(2) { color: var(--gold); font-weight: 700; }
.compare td:first-child { font-weight: 700; }

/* ---------- wide sections (ranking, method) ---------- */
.wide { background: var(--card-solid); position: relative; z-index: 5; padding: 4rem 0 3rem; border-top: 1px solid var(--line); }
.wide .inner { width: min(60rem, calc(100% - 2rem)); margin: 0 auto; }
.wide .prose { max-width: 40rem; }
.wide p { margin: 0 0 1rem; }
.more { margin-top: 1rem; }
.sources li { margin-bottom: 0.5rem; font-size: 0.95rem; }

/* ---------- explore mode ---------- */
.explore-cta { margin-top: 1rem; }
.explorer { position: fixed; z-index: 25; left: 0; right: 0; top: var(--topbar-h); padding: 0.6rem max(1rem, env(safe-area-inset-left)); display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; font-family: var(--sans); pointer-events: none; }
.explorer > * { pointer-events: auto; }
.explorer .combo { width: min(20rem, 60vw); }
.explorer .combo input { height: 2.75rem; background: var(--card-solid); }
.explorer .btn { background: var(--card-solid); }
.zoom { position: fixed; z-index: 25; right: max(1rem, env(safe-area-inset-right)); bottom: calc(5.5rem + env(safe-area-inset-bottom)); display: flex; flex-direction: column; gap: 0.4rem; }
.zoom button { width: 2.9rem; height: 2.9rem; border-radius: 50%; border: 1px solid var(--line); background: var(--card-solid); font: 600 1.3rem/1 var(--sans); cursor: pointer; }
.card { position: fixed; z-index: 26; left: max(1rem, env(safe-area-inset-left)); bottom: calc(1rem + env(safe-area-inset-bottom)); width: min(24rem, calc(100% - 2rem)); background: var(--card-solid); border: 1px solid var(--line); border-radius: 14px; padding: 1rem 1.1rem; font: 400 0.9rem/1.4 var(--sans); box-shadow: 0 10px 40px rgba(0,0,0,.3); }
.card h3 { margin: 0 0 0.3rem; font-size: 1.4rem; }
.card p { margin: 0 0 0.5rem; }
.card .close { position: absolute; right: 0.5rem; top: 0.5rem; }
body.exploring main, body.exploring .wide, body.exploring .site-footer, body.exploring .rail, body.exploring .share { visibility: hidden; }
body.exploring #to-top, body.exploring .sky-legend { display: none !important; }
body.exploring #skyCanvas { touch-action: none; cursor: grab; }
body.exploring #skyCanvas:active { cursor: grabbing; }
body:not(.exploring) .explorer, body:not(.exploring) .zoom, body:not(.exploring) .card { display: none; }

.site-footer { position: relative; z-index: 5; background: var(--card-solid); border-top: 1px solid var(--line); padding: 2rem 1rem 5rem; font: 400 0.85rem/1.5 var(--sans); color: var(--muted); text-align: center; }
.site-footer p { margin: 0.3rem 0; }

@media (max-width: 760px) {
  body { font-size: 1.0625rem; }
  .story { width: calc(100% - 2rem); margin: 0 1rem; }
  .hero { justify-content: flex-start; padding-top: 52vh; padding-top: 52svh; }
  .chapter { padding-top: 55vh; }
  .hide-xs { display: none; }
  .hero-card, .panel { padding: 1.1rem 1.1rem; }
  .figs b { font-size: 1.4rem; }
  .pair { grid-template-columns: 1fr; }
  .swap { justify-self: center; transform: rotate(90deg); }
  .sky-legend { left: 1rem; right: auto; bottom: 0.75rem; }
  .ranking .hide-s { display: none; }
  /* phones: the sky keeps the top of the screen and the text passes under it; anchors land below it */
  html { scroll-padding-top: 0; }
  section, #limits { scroll-margin-top: calc(var(--topbar-h) + 40svh + 0.75rem); }
  body.past-story section, body.past-story #limits { scroll-margin-top: calc(var(--topbar-h) + 0.75rem); }
  body:not(.exploring) .sky { top: var(--topbar-h); bottom: auto; height: 40svh; z-index: 8; border-bottom: 1px solid var(--line-soft); transition: transform 0.35s ease; }
  body.past-story:not(.exploring) .sky { transform: translateY(calc(-100% - var(--topbar-h))); }
  body:not(.exploring) .sky-legend { top: calc(var(--topbar-h) + 40svh - 2.1rem); bottom: auto; z-index: 9; left: auto; right: 0.6rem; }
  body.past-story .sky-legend { display: none; }
  .hero { min-height: 0; padding-top: calc(var(--topbar-h) + 40svh + 1rem); padding-bottom: 1.5rem; }
  .chapter, .chapter:first-of-type { padding-top: 6vh; padding-bottom: 2vh; }
  .spacer-step { height: 10vh; }
  .topbar .home { font-size: 0.8rem; }
}
@media (max-width: 760px) and (prefers-reduced-motion: reduce) { body:not(.exploring) .sky { transition: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reach-bar span { transition: none; }
  .rail .lbl { transition: none; }
}