/* CIRCUIT BLOOM — bright educational optimism.
   Cream paper, circuit-green traces, coral petals, royal-blue buttons.
   Motion language: snappy toy easing — quick out, soft overshoot, no drift. */

:root {
  --cream: #fdfbf3;
  --cream-deep: #f5f0dd;
  --cream-line: #e6dfc6;
  --ink: #263238;
  --ink-soft: #51606a;
  --green: #0aa574;
  --green-deep: #067a57;
  --green-ink: #0b5c43;
  --coral: #ff8fab;
  --coral-deep: #e85d84;
  --blue: #3e6bff;
  --blue-deep: #2b4fd4;
  --sun: #ffd166;
  --sun-deep: #ffb84d;
  --sky: #9ad1ff;
  --lav: #c5a3ff;
  --radius: 22px;
  --toy: cubic-bezier(.34, 1.56, .64, 1);   /* overshoot pop */
  --toy-soft: cubic-bezier(.22, 1, .36, 1); /* quick settle */
  --font: "Quicksand", "Trebuchet MS", sans-serif;
  --hand: "Comic Neue", "Comic Sans MS", cursive;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 500;
  line-height: 1.6;
  overflow-x: hidden;
  /* faint dot-grid, like perfboard */
  background-image: radial-gradient(circle at 1px 1px, rgba(10, 165, 116, .10) 1.2px, transparent 0);
  background-size: 28px 28px;
}

::selection { background: var(--coral); color: #4a1128; }

img, svg { max-width: 100%; display: block; }
a { color: var(--blue-deep); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.skip {
  position: absolute; left: 1rem; top: -3.5rem; z-index: 200;
  background: var(--ink); color: var(--cream); padding: .6rem 1.1rem;
  border-radius: 0 0 14px 14px; text-decoration: none; font-weight: 700;
  transition: top .25s var(--toy-soft);
}
.skip:focus { top: 0; }

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .8rem clamp(1rem, 4vw, 2.4rem);
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 2px solid transparent;
  transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--cream-line); }

.nav-mark {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 700; font-size: 1.18rem; color: var(--ink);
  text-decoration: none; letter-spacing: .01em;
}
.nav-petals { transform-origin: 32px 25px; transition: transform .7s var(--toy); }
.nav-mark:hover .nav-petals { transform: rotate(72deg); }

.nav nav { display: flex; align-items: center; gap: clamp(.5rem, 2vw, 1.4rem); }
.nav nav a {
  color: var(--ink-soft); text-decoration: none; font-weight: 700; font-size: .95rem;
  padding: .35rem .5rem; border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav nav a:hover { color: var(--green-ink); background: var(--cream-deep); }
.nav-cta {
  background: var(--blue); color: #fff !important;
  padding: .5rem 1.1rem !important; border-radius: 999px;
  box-shadow: 0 3px 0 var(--blue-deep);
  transition: transform .15s var(--toy), box-shadow .15s !important;
}
.nav-cta:hover { background: var(--blue) !important; transform: translateY(-2px); box-shadow: 0 5px 0 var(--blue-deep); }
.nav-cta:active { transform: translateY(1px); box-shadow: 0 2px 0 var(--blue-deep); }

@media (max-width: 620px) {
  .nav nav a:not(.nav-cta) { display: none; }
  .nav nav a:nth-of-type(1), .nav nav a:nth-of-type(3) { display: inline-block; }
}

/* ============ HERO ============ */
.hero {
  max-width: 1160px; margin: 0 auto;
  padding: clamp(2.2rem, 6vh, 4.5rem) clamp(1rem, 4vw, 2.4rem) clamp(3rem, 7vh, 5rem);
  text-align: center;
}

.hero-kicker, .section-kicker {
  display: inline-block;
  font-weight: 700; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--green-ink);
  background: color-mix(in srgb, var(--green) 14%, var(--cream));
  border: 2px solid color-mix(in srgb, var(--green) 30%, var(--cream));
  padding: .3rem .9rem; border-radius: 999px; margin-bottom: 1.1rem;
}

.hero-title {
  font-size: clamp(2.4rem, 7.2vw, 4.8rem);
  font-weight: 700; line-height: 1.06; letter-spacing: -.015em;
  color: var(--ink);
}
.hero-title .line { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.hero-title .line > span { display: inline-block; }
body.js-anim .hero-title .line > span {
  transform: translateY(110%);
  transition: transform .95s var(--toy-soft);
}
body.js-anim .hero-title .line:nth-child(2) > span { transition-delay: .12s; }
body.js-anim.hero-in .hero-title .line > span { transform: translateY(0); }
.hero-title em {
  font-style: normal; color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-decoration-thickness: .09em;
  text-underline-offset: .14em;
}

.hero-sub {
  max-width: 40rem; margin: 1.3rem auto 0;
  font-size: clamp(1rem, 1.6vw, 1.15rem); color: var(--ink-soft);
}
.hero-hint {
  margin-top: 1.2rem;
  font-family: var(--hand); font-style: italic; font-weight: 700;
  color: var(--coral-deep); font-size: 1.05rem;
}
.hint-arrow { display: inline-block; transform: rotate(115deg) translateY(-2px); }

/* entrance reveals only ever hide content when JS + animation are active,
   so no-JS and reduced-motion visitors always get the full page */
body.js-anim .reveal { opacity: 0; transform: translateY(14px); }
body.js-anim .reveal.in { opacity: 1; transform: none; transition: opacity .8s var(--toy-soft) .25s, transform .8s var(--toy-soft) .25s; }

/* ============ PLAYGROUND ============ */
.playground {
  margin-top: clamp(1.8rem, 4vh, 3rem);
  background: #fffef9;
  border: 3px solid var(--cream-line);
  border-radius: 28px;
  box-shadow: 0 10px 0 rgba(10, 165, 116, .08), 0 24px 60px rgba(38, 50, 56, .07);
  overflow: hidden;
  text-align: left;
}

.pg-tabs {
  display: flex; align-items: stretch; gap: .5rem;
  padding: .8rem .9rem; border-bottom: 3px dashed var(--cream-line);
  flex-wrap: wrap;
}
.pg-tablist { display: flex; align-items: stretch; gap: .5rem; flex-wrap: wrap; }
.pg-tab {
  display: flex; align-items: center; gap: .5rem;
  font: 700 .92rem var(--font); color: var(--ink-soft);
  background: var(--cream-deep); border: 2px solid var(--cream-line);
  border-radius: 999px; padding: .45rem .95rem .45rem .5rem;
  cursor: pointer; transition: transform .15s var(--toy), background .2s, color .2s;
}
.pg-tab:hover:not(:disabled) { transform: translateY(-2px); }
.pg-tab.is-active { background: var(--green); border-color: var(--green-deep); color: #fff; }
.pg-tab.is-active .pg-tab-no { background: #fff; color: var(--green-ink); }
.pg-tab.is-done:not(.is-active) { background: color-mix(in srgb, var(--green) 16%, #fff); color: var(--green-ink); border-color: color-mix(in srgb, var(--green) 40%, var(--cream-line)); }
.pg-tab.is-locked { opacity: .55; cursor: not-allowed; }
.pg-tab-no {
  display: grid; place-items: center; width: 1.7rem; height: 1.7rem;
  background: #fff; border-radius: 50%; color: var(--ink); font-size: .85rem;
}
.pg-tab.is-locked .pg-tab-state::before { content: "🔒"; font-size: .85rem; }
.pg-tab.is-done .pg-tab-state::before { content: "🌸"; font-size: .95rem; }

.pg-sound {
  margin-left: auto; align-self: center;
  display: grid; place-items: center; width: 2.4rem; height: 2.4rem;
  background: var(--cream-deep); color: var(--ink-soft);
  border: 2px solid var(--cream-line); border-radius: 50%; cursor: pointer;
  transition: transform .15s var(--toy);
}
.pg-sound:hover { transform: scale(1.08); }
.pg-sound[aria-pressed="false"] .snd-on { display: none; }
.pg-sound[aria-pressed="false"] .snd-off { display: inline !important; }

.pg-stage { position: relative; }
.pg-panel { padding: .4rem .6rem 0; }
.pg-panel svg { width: 100%; height: auto; display: block; }
.pg-noscript { padding: 2.5rem 1.5rem; text-align: center; color: var(--ink-soft); font-weight: 600; }

.pg-caption {
  padding: .9rem 1.4rem 1.3rem;
  border-top: 3px dashed var(--cream-line);
  display: grid; gap: .35rem;
}
.pg-status { font-weight: 700; color: var(--green-ink); font-size: 1.02rem; min-height: 1.6em; }
.pg-status.is-open { color: var(--coral-deep); }
.pg-lesson { color: var(--ink-soft); font-size: .95rem; max-width: 56rem; }
.pg-lesson strong { color: var(--ink); }

/* --- SVG circuit pieces (classes used by main.js-built SVGs) --- */
.trace-base { stroke: #ddd5b8; stroke-width: 10; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.trace-live { stroke: var(--green); stroke-width: 10; fill: none; stroke-linecap: round; stroke-linejoin: round; opacity: 0; transition: opacity .25s; }
.trace-flow {
  stroke: #b6f4dd; stroke-width: 4; fill: none; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 3 17; opacity: 0; transition: opacity .25s;
}
g.live .trace-live, g.live .trace-flow { opacity: 1; }
g.live .trace-flow { animation: flow 1.1s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -40; } }
body.no-anim g.live .trace-flow { animation: none; stroke-dasharray: none; opacity: .9; }

.pad { fill: #c9c09a; stroke: #b3a87e; stroke-width: 2; }
g.live .pad { fill: var(--green-deep); stroke: var(--green-ink); }

.bat-body { fill: var(--blue); stroke: var(--blue-deep); stroke-width: 3; }
.bat-label { font: 700 20px var(--font); fill: #fff; }
.bat-sign { font: 700 19px var(--font); fill: #fdfbf3; opacity: .95; }

.sw { cursor: pointer; }
.sw-lever {
  stroke: var(--coral-deep); stroke-width: 9; stroke-linecap: round;
  transform-box: fill-box; transform-origin: left center;
  transform: rotate(-38deg);
  transition: transform .3s var(--toy);
}
.sw[aria-checked="true"] .sw-lever { transform: rotate(0deg); }
.sw-hit { fill: transparent; }
.sw:hover .sw-lever, .sw:focus-visible .sw-lever { stroke: var(--coral); }
.sw-tag { font: italic 700 15px var(--hand); fill: var(--ink-soft); }
.sw[aria-checked="true"] .sw-tag { opacity: 0; }
.sw-tag { transition: opacity .3s; }
body.no-anim .sw-lever { transition: none; }

.flower .petal {
  transform-box: fill-box; transform-origin: 50% 100%;
  transform: scale(.12);
  transition: transform .55s var(--toy);
  transition-delay: var(--d, 0s);
}
.flower.bloom .petal { transform: scale(1); }
.flower .core { fill: #d8cda0; transition: fill .35s; }
.flower.bloom .core { fill: var(--sun); }
.flower .glow { opacity: 0; transition: opacity .5s; }
.flower.bloom .glow { opacity: .85; }
.flower .stem-leaf {
  transform-box: fill-box; transform-origin: 100% 100%;
  transform: scale(.55);
  transition: transform .5s var(--toy) .1s;
}
.flower.bloom .stem-leaf { transform: scale(1); }
body.no-anim .flower .petal, body.no-anim .flower .stem-leaf { transition: none; }

.spark { pointer-events: none; }
.spark line { stroke: var(--sun-deep); stroke-width: 3; stroke-linecap: round; }

.pz-note { font: italic 700 16px var(--hand); fill: var(--ink-soft); pointer-events: none; }

/* pause every looping CSS animation when its section is offscreen or the tab is hidden */
.offscreen *, body.page-hidden * { animation-play-state: paused !important; }

/* ============ SECTIONS shared ============ */
section { scroll-margin-top: 5rem; }
.section-head { max-width: 46rem; margin: 0 auto; text-align: center; padding: 0 1.2rem; }
.section-title {
  font-size: clamp(1.7rem, 4.4vw, 2.7rem); font-weight: 700; line-height: 1.15;
  letter-spacing: -.01em; color: var(--ink);
}
.section-sub { margin-top: .9rem; color: var(--ink-soft); }

body.js-anim .reveal-up { opacity: 0; transform: translateY(22px); }
body.js-anim .reveal-up.in { opacity: 1; transform: none; transition: opacity .7s var(--toy-soft), transform .7s var(--toy-soft); }

/* ============ WORDS ============ */
.words { padding: clamp(3.5rem, 9vh, 6.5rem) clamp(1rem, 4vw, 2.4rem); }
.word-grid {
  list-style: none;
  max-width: 1160px; margin: 2.4rem auto 0;
  display: grid; gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.word-card {
  background: #fffef9; border: 3px solid var(--cream-line);
  border-radius: var(--radius); padding: 1.4rem 1.3rem 1.2rem;
  rotate: var(--tilt, 0deg);
  transition: rotate .3s var(--toy), box-shadow .3s, translate .3s var(--toy);
}
.word-card:hover { rotate: 0deg; translate: 0 -4px; box-shadow: 0 14px 30px rgba(38, 50, 56, .08); }
.word-icon { height: 48px; width: auto; margin-bottom: .9rem; }
.word-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--green-ink); margin-bottom: .4rem; }
.word-card p { font-size: .95rem; color: var(--ink-soft); }
.word-note { margin-top: .7rem; font-family: var(--hand); font-style: italic; font-weight: 700; color: var(--coral-deep) !important; font-size: .92rem !important; }

.wi-dash { animation: flow 1.4s linear infinite; }
.wi-orbit { animation: orbit 3.2s linear infinite; }
@keyframes orbit {
  0% { cx: 10; cy: 24; } 12% { cx: 14; cy: 10; } 38% { cx: 58; cy: 10; }
  50% { cx: 62; cy: 24; } 62% { cx: 58; cy: 38; } 88% { cx: 14; cy: 38; } 100% { cx: 10; cy: 24; }
}
.wi-lever { transform-origin: 26px 34px; animation: leverWave 2.6s var(--toy) infinite; }
@keyframes leverWave { 0%, 55%, 100% { transform: rotate(0deg); } 70%, 85% { transform: rotate(43deg); } }
body.no-anim .wi-dash, body.no-anim .wi-orbit, body.no-anim .wi-lever { animation: none; }

/* ============ KITS / STORYBOOK ============ */
.kits { padding: clamp(3rem, 8vh, 6rem) 0 clamp(3.5rem, 9vh, 6.5rem); background: linear-gradient(var(--cream-deep), var(--cream-deep)); border-block: 3px dashed var(--cream-line); }
.book { max-width: 1240px; margin: 2.4rem auto 0; padding: 0 clamp(.8rem, 3vw, 2rem); }
.book-track {
  display: flex; gap: clamp(1rem, 2.5vw, 1.8rem);
  overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 1rem .4rem 1.6rem;
  scrollbar-width: thin; scrollbar-color: var(--green) transparent;
  -webkit-overflow-scrolling: touch;
}
.book-track:focus-visible { outline-offset: -3px; }

.page {
  flex: 0 0 min(88%, 860px);
  scroll-snap-align: center;
  display: grid; grid-template-columns: minmax(200px, 3fr) 4fr; gap: 0;
  background: #fffef9; border: 3px solid var(--cream-line); border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 8px 0 rgba(10, 165, 116, .07);
  transition: transform .4s var(--toy), box-shadow .4s;
}
.page.is-current { transform: translateY(-6px); box-shadow: 0 14px 0 rgba(10, 165, 116, .12), 0 26px 50px rgba(38, 50, 56, .08); }

.page-art { display: grid; place-items: center; padding: 1.6rem 1.2rem; border-right: 3px dashed var(--cream-line); }
.page-art--spark { background: color-mix(in srgb, var(--sun) 22%, #fffef9); }
.page-art--garden { background: color-mix(in srgb, var(--sky) 26%, #fffef9); }
.page-art--symphony { background: color-mix(in srgb, var(--lav) 22%, #fffef9); }
.page-art svg { width: 100%; max-width: 300px; }

.page-body { padding: clamp(1.3rem, 3vw, 2rem); }
.page-chapter { font-family: var(--hand); font-style: italic; font-weight: 700; color: var(--coral-deep); font-size: .95rem; }
.page-name { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; color: var(--ink); margin: .15rem 0 .6rem; }
.page-meta { display: flex; align-items: center; gap: .8rem; margin-bottom: .8rem; }
.age-badge {
  font-weight: 700; font-size: .82rem; letter-spacing: .05em; text-transform: uppercase;
  color: #fff; background: var(--coral-deep); padding: .28rem .8rem; border-radius: 999px;
}
.page-price { font-size: 1.35rem; font-weight: 700; color: var(--green-ink); }
.page-desc { color: var(--ink-soft); font-size: .98rem; }
.page-list { margin: .9rem 0 0 1.1rem; color: var(--ink-soft); font-size: .93rem; display: grid; gap: .25rem; }
.page-list li::marker { content: "❀ "; color: var(--coral-deep); }
.page-learn {
  margin-top: 1rem; font-size: .92rem; color: var(--ink-soft);
  background: var(--cream-deep); border-left: 4px solid var(--green); border-radius: 8px;
  padding: .55rem .8rem;
}
.page-learn strong { color: var(--green-ink); }

.book-nav { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: .4rem; }
.book-btn {
  width: 2.9rem; height: 2.9rem; border-radius: 50%;
  font: 700 1.2rem var(--font); color: #fff;
  background: var(--blue); border: none; cursor: pointer;
  box-shadow: 0 3px 0 var(--blue-deep);
  transition: transform .15s var(--toy), box-shadow .15s, opacity .2s;
}
.book-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 0 var(--blue-deep); }
.book-btn:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--blue-deep); }
.book-btn:disabled { opacity: .35; cursor: default; transform: none; }
.book-dots { display: flex; gap: .45rem; }
.book-dots span { width: .65rem; height: .65rem; border-radius: 50%; background: var(--cream-line); transition: background .3s, transform .3s var(--toy); }
.book-dots span.is-on { background: var(--green); transform: scale(1.35); }

@media (max-width: 720px) {
  .page { grid-template-columns: 1fr; flex-basis: 92%; }
  .page-art { border-right: none; border-bottom: 3px dashed var(--cream-line); padding: 1.1rem; }
  .page-art svg { max-width: 230px; }
}

/* ============ PARENTS ============ */
.parents { padding: clamp(3.5rem, 9vh, 6.5rem) clamp(1rem, 4vw, 2.4rem); }
.parents-inner { max-width: 1100px; margin: 0 auto; }
.parents-copy { max-width: 52rem; }
.parents .section-title { text-align: left; }
.parents-lead { margin-top: 1rem; color: var(--ink-soft); max-width: 44rem; }

.safety-grid {
  list-style: none; margin-top: 2.2rem;
  display: grid; gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.safety-card {
  background: #fffef9; border: 3px solid var(--cream-line); border-radius: var(--radius);
  padding: 1.3rem 1.25rem;
}
.safety-glyph { font-size: 1.7rem; display: inline-grid; place-items: center; width: 3rem; height: 3rem; background: var(--cream-deep); border-radius: 14px; margin-bottom: .8rem; }
.safety-card h3 { font-size: 1.12rem; font-weight: 700; color: var(--ink); margin-bottom: .35rem; }
.safety-card p { font-size: .93rem; color: var(--ink-soft); }

.parents-note {
  margin-top: 2rem; position: relative;
  background: color-mix(in srgb, var(--green) 9%, var(--cream));
  border: 3px solid color-mix(in srgb, var(--green) 26%, var(--cream-line));
  border-radius: var(--radius); padding: 1.5rem 1.5rem 1.3rem; max-width: 56rem;
}
.parents-note p:last-child { color: var(--ink-soft); }
.parents-note-hand {
  font-family: var(--hand); font-style: italic; font-weight: 700;
  color: var(--green-ink); margin-bottom: .4rem;
}

/* ============ PREORDER ============ */
.preorder { padding: clamp(3.5rem, 10vh, 7rem) clamp(1rem, 4vw, 2.4rem); background: var(--ink); color: var(--cream); }
.preorder-inner { max-width: 42rem; margin: 0 auto; text-align: center; }
.preorder .section-kicker { background: rgba(10, 165, 116, .18); color: #7fe8c5; border-color: rgba(10, 165, 116, .45); }
.preorder .section-title { color: var(--cream); }
.preorder-sub { margin-top: 1rem; color: #b9c4cb; }
.preorder-sprout { margin: 0 auto 1.2rem; }

.preorder-form {
  margin-top: 1.8rem;
  display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap;
}
.preorder-form select, .preorder-form input {
  font: 600 1rem var(--font); color: var(--ink);
  background: var(--cream); border: 3px solid transparent; border-radius: 999px;
  padding: .75rem 1.2rem; min-width: 0;
}
.preorder-form select { flex: 1 1 200px; }
.preorder-form input { flex: 2 1 240px; }
.preorder-form select:focus-visible, .preorder-form input:focus-visible { outline: 3px solid var(--sun); outline-offset: 2px; }
.preorder-form button {
  font: 700 1rem var(--font); color: #fff;
  background: var(--green); border: none; border-radius: 999px;
  padding: .75rem 1.6rem; cursor: pointer;
  box-shadow: 0 4px 0 var(--green-ink);
  transition: transform .15s var(--toy), box-shadow .15s;
  flex: 1 1 auto;
}
.preorder-form button:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--green-ink); }
.preorder-form button:active { transform: translateY(1px); box-shadow: 0 2px 0 var(--green-ink); }
.preorder-confirm { margin-top: 1rem; font-weight: 700; color: #7fe8c5; min-height: 1.6em; }
.preorder-fine { margin-top: .9rem; font-size: .85rem; color: #8b979f; }

/* ============ FOOTER ============ */
.footer { padding: 2rem clamp(1rem, 4vw, 2.4rem) 2.4rem; background: var(--ink); color: #b9c4cb; border-top: 1px solid #3a4750; }
.footer-row {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap;
}
.footer-brand { font-weight: 700; color: var(--cream); }
.footer a { color: #9ad1ff; font-weight: 600; }
.footer-fine { max-width: 1100px; margin: .9rem auto 0; font-size: .84rem; color: #8b979f; }

/* ============ GUIDE + 404 shared ============ */
.doc { max-width: 46rem; margin: 0 auto; padding: 3rem 1.4rem 5rem; }
.doc h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; line-height: 1.1; letter-spacing: -.01em; }
.doc-kicker { font-family: var(--hand); font-style: italic; font-weight: 700; color: var(--coral-deep); margin-bottom: .6rem; }
.doc h2 {
  font-size: 1.35rem; font-weight: 700; color: var(--green-ink);
  margin: 2.6rem 0 .7rem; padding-top: 1.4rem; border-top: 3px dashed var(--cream-line);
}
.doc h2 span.no { color: var(--coral-deep); margin-right: .4rem; }
.doc p, .doc li { color: var(--ink-soft); font-size: .98rem; }
.doc ul, .doc ol { margin: .6rem 0 .6rem 1.3rem; display: grid; gap: .3rem; }
.doc strong { color: var(--ink); }
.doc code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em;
  background: var(--cream-deep); border: 1px solid var(--cream-line);
  padding: .1em .35em; border-radius: 6px; color: var(--green-ink);
}
.doc .swatches { display: flex; gap: .6rem; flex-wrap: wrap; list-style: none; margin: .8rem 0; }
.doc .swatches li { display: flex; align-items: center; gap: .45rem; font-size: .88rem; }
.doc .swatches i { width: 1.4rem; height: 1.4rem; border-radius: 8px; border: 2px solid var(--cream-line); display: inline-block; }
.doc-back { display: inline-block; margin-bottom: 2rem; font-weight: 700; text-decoration: none; }
.doc table { border-collapse: collapse; width: 100%; margin: .8rem 0; font-size: .92rem; }
.doc th, .doc td { text-align: left; padding: .45rem .6rem; border-bottom: 2px solid var(--cream-line); color: var(--ink-soft); }
.doc th { color: var(--ink); }

/* 404 */
.lost { min-height: 100svh; display: grid; place-items: center; text-align: center; padding: 2rem 1.2rem; }
.lost-inner { max-width: 34rem; }
.lost svg { margin: 0 auto 1.6rem; width: min(420px, 88vw); height: auto; }
.lost h1 { font-size: clamp(2rem, 6vw, 3.2rem); font-weight: 700; letter-spacing: -.01em; }
.lost p { margin-top: .9rem; color: var(--ink-soft); }
.lost-cta {
  display: inline-block; margin-top: 1.6rem; text-decoration: none;
  font-weight: 700; color: #fff; background: var(--blue);
  padding: .8rem 1.7rem; border-radius: 999px; box-shadow: 0 4px 0 var(--blue-deep);
  transition: transform .15s var(--toy), box-shadow .15s;
}
.lost-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--blue-deep); }
.lost-404-trace { stroke-dasharray: 6 14; animation: flow 1.2s linear infinite; }
.lost-wilt { transform-origin: 300px 150px; transform: rotate(14deg); }

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-up, .hero-title .line > span { opacity: 1 !important; transform: none !important; transition: none !important; }
  .wi-dash, .wi-orbit, .wi-lever, .lost-404-trace { animation: none !important; }
  g.live .trace-flow { animation: none !important; stroke-dasharray: none; opacity: .9; }
  .flower .petal, .flower .stem-leaf, .sw-lever { transition: none !important; }
  .page, .page.is-current { transition: none; transform: none; }
  * { scroll-behavior: auto !important; }
}