/* ============================================================
   jarrodcrano.com — design tokens
   Light/dark values swap here; everything else uses the roles.
   ============================================================ */
:root {
  --display-font: "Instrument Serif", Georgia, "Times New Roman", serif;
  --page:           #f9f9f7;
  --surface:        #fcfcfb;
  --ink:            #0b0b0b;
  --ink-2:          #52514e;
  --muted:          #898781;
  --grid:           #e1e0d9;
  --baseline:       #c3c2b7;
  --border:         rgba(11, 11, 11, 0.10);
  --series:         #2a78d6;   /* single-series blue, validated light */
  --series-soft:    rgba(42, 120, 214, 0.12);
  /* year heatmap — sequential blue, low → high (light-mode ordinal ramp) */
  --cell-0:         #f0efec;
  --cell-1:         #86b6ef;
  --cell-2:         #5598e7;
  --cell-3:         #2a78d6;
  --cell-4:         #1c5cab;
  --cell-5:         #104281;
}
@media (prefers-color-scheme: dark) {
  :root {
    --page:         #0d0d0d;
    --surface:      #1a1a19;
    --ink:          #ffffff;
    --ink-2:        #c3c2b7;
    --muted:        #898781;
    --grid:         #2c2c2a;
    --baseline:     #383835;
    --border:       rgba(255, 255, 255, 0.10);
    --series:       #3987e5;   /* validated dark step */
    --series-soft:  rgba(57, 135, 229, 0.18);
    /* dark ramp: near-zero recedes toward the dark surface */
    --cell-0:       #262624;
    --cell-1:       #184f95;
    --cell-2:       #256abf;
    --cell-3:       #3987e5;
    --cell-4:       #6da7ec;
    --cell-5:       #9ec5f4;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--series); text-decoration: none; }
a:hover { text-decoration: underline; }

/* editorial display type, sitewide — Instrument Serif ships only a 400 weight */
h1, h2 { font-family: var(--display-font); font-weight: 400; letter-spacing: -0.02em; }
h1, h2, h3 { line-height: 1.2; }

/* small icon chips beside card headings */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--series-soft);
  color: var(--series);
  margin-right: 9px;
  flex: none;
}
.icon svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.resume-card h3, .now-block h3, .uses-item h3 {
  display: flex;
  align-items: center;
}

/* eyebrow labels above section headings */
.eyebrow {
  display: block;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--series);
  margin-bottom: 10px;
}

/* ---------------- header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--page) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header nav {
  max-width: 880px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.nav-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a { color: var(--ink-2); font-size: 15px; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

/* ---------------- hero ---------------- */
.hero { padding: 14vh 0 10vh; position: relative; min-height: 72vh; display: flex; flex-direction: column; justify-content: center; }
.hero > * { position: relative; }
.hero h1 {
  font-size: clamp(44px, 7vw, 68px);
  margin: 0 0 14px;
  letter-spacing: -0.025em;
  line-height: 1.05;
}
.lede {
  font-size: 20px;
  color: var(--ink-2);
  max-width: 560px;
  margin: 0;
}

.social-links { display: flex; gap: 18px; margin-top: 24px; }
.social-links a { color: var(--muted); display: inline-flex; }
.social-links a:hover { color: var(--ink); }
.social-links svg { width: 22px; height: 22px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }

/* ---------------- sections ---------------- */
section { padding: 48px 0; scroll-margin-top: 60px; }
section h2 { font-size: clamp(30px, 4vw, 40px); margin: 0 0 6px; letter-spacing: -0.015em; line-height: 1.1; }
.section-note { color: var(--muted); margin: 0 0 28px; font-size: 15px; }

/* ---------------- uses page ---------------- */
.hero-small { padding: 64px 0 8px; }
.uses-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.uses-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
}
.uses-item h3 { margin: 0 0 8px; font-size: 16px; }
.uses-item p { margin: 0; font-size: 15px; color: var(--ink-2); }

/* ---------------- now ---------------- */
.now-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.now-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.now-block:hover,
.resume-card:hover,
.uses-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(11, 11, 11, 0.08);
}
.now-block h3 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.now-block p { margin: 0; font-size: 15px; color: var(--ink-2); }
.now-block strong { color: var(--ink); font-weight: 600; }

/* ---------------- life resume ---------------- */
.resume-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.resume-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
}
.resume-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}
.resume-card ul { margin: 0; padding-left: 18px; }
.resume-card li { margin: 6px 0; font-size: 15px; color: var(--ink-2); }
.resume-card li strong { color: var(--ink); font-weight: 600; }
.resume-card li.todo {
  color: var(--muted);
  list-style: none;
  margin-left: -18px;
  border: 1px dashed var(--baseline);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13.5px;
}

/* ---------------- stat tiles ---------------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.stat-tile .label { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.stat-tile .value { font-size: 30px; font-weight: 600; letter-spacing: -0.01em; }
.stat-tile .value small { font-size: 15px; font-weight: 500; color: var(--ink-2); }

/* ---------------- chart cards ---------------- */
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px 14px;
  margin-bottom: 20px;
}
.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.chart-title { font-size: 15px; font-weight: 600; }
.range-buttons { display: flex; gap: 4px; }
.range-buttons button {
  font: inherit;
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
}
.range-buttons button:hover { background: var(--series-soft); }
.range-buttons button.active {
  background: var(--series-soft);
  color: var(--ink);
  border-color: var(--border);
  font-weight: 600;
}
.chart-holder svg { width: 100%; height: auto; display: block; }

/* bar chart internals (SVG classes) */
.bar { fill: var(--series); }
.hit { fill: transparent; }
.bar.hover { fill: color-mix(in srgb, var(--series) 82%, var(--ink)); }
.gridline { stroke: var(--grid); stroke-width: 1; }
.axis-baseline { stroke: var(--baseline); stroke-width: 1; }
.tick-label, .axis-label { fill: var(--muted); font-size: 11px; font-family: inherit; font-variant-numeric: tabular-nums; }
.cap-label { fill: var(--ink-2); font-size: 11px; font-family: inherit; font-variant-numeric: tabular-nums; }

/* line chart internals (SVG classes) */
.line-path { fill: none; stroke: var(--series); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.line-area { fill: var(--series); opacity: 0.1; }
.end-dot { fill: var(--series); }
.end-dot-ring { fill: var(--surface); }
.end-label { fill: var(--ink); font-size: 12px; font-weight: 600; font-family: inherit; }
.crosshair { stroke: var(--baseline); stroke-width: 1; }

/* ---------------- heatmap ---------------- */
.heatmap-scroll { overflow-x: auto; padding-bottom: 4px; }
/* scale to the card width; min-width keeps cells readable on phones (scrolls there) */
.heatmap-scroll svg { display: block; width: 100%; min-width: 640px; height: auto; }
.hm-cell.b0 { fill: var(--cell-0); }
.hm-cell.b1 { fill: var(--cell-1); }
.hm-cell.b2 { fill: var(--cell-2); }
.hm-cell.b3 { fill: var(--cell-3); }
.hm-cell.b4 { fill: var(--cell-4); }
.hm-cell.b5 { fill: var(--cell-5); }
.hm-label { fill: var(--muted); font-size: 10px; font-family: inherit; }
.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}
.heatmap-legend .swatch {
  width: 11px; height: 11px; border-radius: 2px; display: inline-block;
}
.swatch.b0 { background: var(--cell-0); }
.swatch.b1 { background: var(--cell-1); }
.swatch.b2 { background: var(--cell-2); }
.swatch.b3 { background: var(--cell-3); }
.swatch.b4 { background: var(--cell-4); }
.swatch.b5 { background: var(--cell-5); }

/* ---------------- racing: states map + PBs ---------------- */
h2.subsection { margin-top: 48px; font-size: 28px; }
#states-map { padding: 4px 0; }
#states-map svg { width: 100%; height: auto; display: block; }
#states-map g.state path,
#states-map circle.dc { fill: var(--cell-0); transition: fill 0.1s ease; }
#states-map g.state path.ran { fill: var(--series); }
#states-map g.state path:hover { fill: color-mix(in srgb, var(--cell-0) 80%, var(--ink)); }
#states-map g.state path.ran:hover { fill: color-mix(in srgb, var(--series) 82%, var(--ink)); }
#states-map g.borders path { stroke: var(--surface); stroke-width: 1; fill: none; pointer-events: none; }
#states-map .separator1 { stroke: var(--baseline); stroke-width: 1; fill: none; }
#states-map circle.dccircle { display: none; }

/* ---------------- world map (About section) ---------------- */
.world-card { margin-top: 20px; }
#world-map { padding: 4px 0; }
#world-map svg { width: 100%; height: auto; display: block; }
#world-map path { fill: var(--cell-0); stroke: var(--surface); stroke-width: 0.5; transition: fill 0.1s ease; }
#world-map .visited path,
#world-map path.visited { fill: var(--series); }
#world-map .country:hover path,
#world-map path.country:hover { fill: color-mix(in srgb, var(--cell-0) 80%, var(--ink)); }
#world-map .country.visited:hover path,
#world-map path.country.visited:hover { fill: color-mix(in srgb, var(--series) 82%, var(--ink)); }

.pb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
}
.pb-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}
.pb-dist { font-size: 12.5px; color: var(--muted); }
.pb-time { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; margin: 2px 0; }
.pb-race { font-size: 12px; color: var(--ink-2); }

.race-note { color: var(--muted); font-size: 12.5px; }
.race-pb {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--series);
  border: 1px solid var(--series);
  border-radius: 5px;
  padding: 0 5px;
  margin-left: 6px;
  vertical-align: 1px;
}

/* ---------------- data table ---------------- */
.data-table { margin-top: 4px; }
.data-table summary {
  cursor: pointer;
  color: var(--ink-2);
  font-size: 14px;
}
.data-table table {
  margin-top: 12px;
  border-collapse: collapse;
  min-width: 260px;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 5px 18px 5px 0;
  border-bottom: 1px solid var(--grid);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.data-table th { color: var(--muted); font-weight: 500; }

/* ---------------- tooltip ---------------- */
.tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--ink);
  color: var(--page);
  font-size: 12.5px;
  line-height: 1.35;
  padding: 6px 10px;
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.08s ease;
  z-index: 50;
  white-space: nowrap;
}
.tooltip.show { opacity: 1; }
.tooltip .tt-value { font-weight: 600; }

/* ---------------- newsletter ---------------- */
.newsletter-card {
  background: linear-gradient(180deg, color-mix(in srgb, var(--series) 6%, var(--surface)), var(--surface) 55%);
  border: 1px solid var(--border);
  border-top: 3px solid var(--series);
  border-radius: 16px;
  padding: 36px 32px;
  text-align: center;
}
.newsletter-card h2 { margin-top: 0; }
.newsletter-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  margin: 0 auto 14px;
  display: flex;
}
.newsletter-card .icon svg { width: 22px; height: 22px; }
.newsletter-card p { color: var(--ink-2); max-width: 460px; margin: 8px auto 20px; }
.newsletter-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.newsletter-form input[type="email"] {
  font: inherit;
  font-size: 15px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--baseline);
  background: var(--page);
  color: var(--ink);
  width: min(320px, 100%);
}
.newsletter-form input[type="email"]:focus {
  outline: 2px solid var(--series);
  outline-offset: 1px;
  border-color: transparent;
}
.newsletter-form button {
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 10px;
  border: none;
  background: var(--series);
  color: #fff;
  cursor: pointer;
}
.newsletter-form button:hover { filter: brightness(1.08); }
.newsletter-form button:disabled { opacity: 0.6; cursor: default; }
.newsletter-status { min-height: 1.4em; margin: 14px 0 0; font-size: 15px; color: var(--ink); font-weight: 500; }
.newsletter-status.error { color: var(--muted); font-weight: 400; }

/* ---------------- footer ---------------- */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 28px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   IMMERSIVE WORLDS
   Each homepage section declares data-world; scrolling into it
   crossfades the fixed backdrop and re-themes every token, so
   panels, charts, and text all step into the new world together.
   ============================================================ */

/* the page paints on the fixed backdrop, not the body */
body[data-world] { background: var(--page); }

/* backdrop sits at z 0 with the content lifted above it — negative
   z-index behind <body> is unreliable under some compositors */
#world-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; background: var(--page); }
body[data-world] main,
body[data-world] .site-header,
body[data-world] .site-footer,
body[data-world] .tooltip { position: relative; z-index: 1; }
body[data-world] .site-header { position: sticky; }
body[data-world] .tooltip { position: fixed; z-index: 50; }
.wbg {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.1s ease;
}
body[data-world="dawn"]  .wbg-dawn,
body[data-world="paper"] .wbg-paper,
body[data-world="trail"] .wbg-trail,
body[data-world="board"] .wbg-board,
body[data-world="night"] .wbg-night,
body[data-world="atlas"] .wbg-atlas { opacity: 1; }

/* ---- atmospheres ---- */
.wbg-dawn {
  background:
    radial-gradient(900px 620px at 78% -8%, rgba(223, 173, 108, 0.42), transparent 64%),
    radial-gradient(700px 500px at 12% 108%, rgba(207, 196, 174, 0.35), transparent 60%),
    linear-gradient(180deg, #f3ddba 0%, #f7efe2 46%, #f7efe2 100%);
}
.wbg-paper { background: #f9f9f7; }
.wbg-trail {
  background: linear-gradient(180deg, #dcebe9 0%, #edf3e8 42%, #f2f4ec 100%);
}
.wbg-trail::after {
  /* far + near ridgelines along the bottom */
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 34vh;
  background-image:
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 200" preserveAspectRatio="none"><path d="M0 200 L0 120 L140 70 L300 130 L470 60 L640 140 L820 80 L1000 150 L1200 90 L1200 200 Z" fill="%23a9bfa4" opacity="0.5"/></svg>'),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 200" preserveAspectRatio="none"><path d="M0 200 L0 160 L180 110 L360 165 L560 100 L760 170 L960 120 L1200 165 L1200 200 Z" fill="%23879d84" opacity="0.55"/></svg>');
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
.wbg-board {
  background:
    radial-gradient(1000px 700px at 50% -20%, rgba(57, 135, 229, 0.10), transparent 60%),
    linear-gradient(180deg, #14161b 0%, #191c22 100%);
}
.wbg-board::after {
  /* an oversized board fading in from the corner */
  content: "";
  position: absolute; right: -8%; bottom: -12%; width: 60%; height: 70%;
  background:
    repeating-linear-gradient(0deg, transparent 0 88px, rgba(255,255,255,0.045) 88px 176px),
    repeating-linear-gradient(90deg, transparent 0 88px, rgba(255,255,255,0.045) 88px 176px);
  mask-image: radial-gradient(closest-side at 70% 70%, #000, transparent);
  -webkit-mask-image: radial-gradient(closest-side at 70% 70%, #000, transparent);
  transform: rotate(-4deg);
}
.wbg-night {
  background:
    radial-gradient(760px 520px at 82% 6%, rgba(158, 197, 244, 0.12), transparent 60%),
    linear-gradient(180deg, #060a1c 0%, #0b1128 55%, #131a36 100%);
}
.wbg-night .stars {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 22%, rgba(255,255,255,0.9), transparent 60%),
    radial-gradient(1px 1px at 34% 8%,  rgba(255,255,255,0.7), transparent 60%),
    radial-gradient(1.2px 1.2px at 57% 30%, rgba(255,255,255,0.85), transparent 60%),
    radial-gradient(1px 1px at 73% 12%, rgba(255,255,255,0.6), transparent 60%),
    radial-gradient(1.5px 1.5px at 88% 26%, rgba(255,255,255,0.9), transparent 60%),
    radial-gradient(1px 1px at 23% 44%, rgba(255,255,255,0.55), transparent 60%),
    radial-gradient(1.2px 1.2px at 44% 55%, rgba(255,255,255,0.7), transparent 60%),
    radial-gradient(1px 1px at 66% 47%, rgba(255,255,255,0.5), transparent 60%),
    radial-gradient(1.3px 1.3px at 81% 58%, rgba(255,255,255,0.75), transparent 60%),
    radial-gradient(1px 1px at 8% 66%,  rgba(255,255,255,0.5), transparent 60%);
  background-repeat: repeat;
  background-size: 900px 700px;
  transform: translateY(calc(var(--scrolly, 0) * -0.04px));
}
.wbg-night .stars.s2 {
  background-size: 1400px 1100px;
  opacity: 0.7;
  animation: twinkle 5.5s ease-in-out infinite alternate;
  transform: translateY(calc(var(--scrolly, 0) * -0.09px));
}
@keyframes twinkle { from { opacity: 0.35; } to { opacity: 0.85; } }
.wbg-atlas {
  background:
    radial-gradient(820px 560px at 20% 0%, rgba(223, 192, 132, 0.10), transparent 60%),
    linear-gradient(180deg, #0b1d28 0%, #103041 60%, #123646 100%);
}
.wbg-atlas::after {
  /* faint meridian rings, like an old chart */
  content: "";
  position: absolute; inset: 0;
  background: repeating-radial-gradient(circle at 85% 115%, transparent 0 118px, rgba(255,255,255,0.05) 118px 120px);
}

/* ---- per-world tokens (light worlds reuse the validated light set,
       dark worlds the validated dark set; only surfaces are tinted) ----
   Worlds own their palette outright: the OS light/dark preference is
   overridden here so a world looks the same for every visitor. */
body[data-world="dawn"], body[data-world="paper"], body[data-world="trail"] {
  --ink: #0b0b0b; --ink-2: #52514e; --muted: #898781;
  --series: #2a78d6; --series-soft: rgba(42, 120, 214, 0.12);
  --cell-1: #86b6ef; --cell-2: #5598e7; --cell-3: #2a78d6;
  --cell-4: #1c5cab; --cell-5: #104281;
}
body[data-world="paper"] {
  --page: #f9f9f7; --surface: #fcfcfb;
  --grid: #e1e0d9; --baseline: #c3c2b7; --cell-0: #f0efec;
  --border: rgba(11, 11, 11, 0.10);
}
body[data-world="dawn"] {
  --page: #f7efe2; --surface: #fdf9f1;
  --grid: #e9dfc9; --baseline: #d2c5a9; --cell-0: #f0e7d4;
  --border: rgba(60, 44, 16, 0.12);
}
body[data-world="trail"] {
  --page: #eef3ec; --surface: #fafcf7;
  --grid: #dde5d6; --baseline: #bfcab6; --cell-0: #e7ede1;
  --border: rgba(25, 43, 22, 0.12);
}
body[data-world="board"], body[data-world="night"], body[data-world="atlas"] {
  --ink: #ffffff; --ink-2: #c9cbd4; --muted: #8f93a3;
  --series: #3987e5; --series-soft: rgba(57, 135, 229, 0.20);
  --border: rgba(255, 255, 255, 0.12);
  --cell-1: #184f95; --cell-2: #256abf; --cell-3: #3987e5;
  --cell-4: #6da7ec; --cell-5: #9ec5f4;
}
body[data-world="board"] {
  --page: #16181d; --surface: #1e2127;
  --grid: #2b2e35; --baseline: #3d414a; --cell-0: #272a31;
}
body[data-world="night"] {
  --page: #0b1128; --surface: #151c3d;
  --grid: #242c55; --baseline: #364173; --cell-0: #1c2448;
}
body[data-world="atlas"] {
  --page: #0f2937; --surface: #163a4b;
  --grid: #21495c; --baseline: #2f607a; --cell-0: #1c4356;
}

/* dark worlds: keep the newsletter/dark-ink pieces readable */
body[data-world="board"] .tooltip,
body[data-world="night"] .tooltip,
body[data-world="atlas"] .tooltip { background: #f4f5f8; color: #10131f; }

/* ---- entering a world: tall intro that lands like a title card ---- */
.world-intro {
  min-height: 44vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6vh 0 4vh;
}
.world-intro h2 { font-size: clamp(38px, 6vw, 58px); }
.world-intro .section-note { font-size: 17px; max-width: 520px; }

/* smooth color hand-off for everything that wears tokens */
body, .site-header, .stat-tile, .chart-card, .resume-card, .now-block,
.uses-item, .newsletter-card, .pb-item, .site-footer {
  transition: background-color 0.9s ease, border-color 0.9s ease, color 0.9s ease;
}

/* ---- scroll reveals ---- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .wbg { transition: none; }
  .wbg-night .stars.s2 { animation: none; }
  .wbg-night .stars, .wbg-night .stars.s2 { transform: none; }
  body, .site-header, .stat-tile, .chart-card, .resume-card, .now-block,
  .uses-item, .newsletter-card, .pb-item, .site-footer { transition: none; }
}