/* Layout: a sunny "world map" — header strip, hero with mascot, worlds on a dotted path.
   Single bright look on purpose (kids' playground), colors set explicitly for any host theme. */
:root {
  --sky: #cdeaff;
  --sky-deep: #4fa8e8;
  --cloud: #f3f9ff;
  --paper: #ffffff;
  --ink: #1c2a4a;
  --ink-soft: #4a5a7c;
  --grass: #3fae63;
  --grass-deep: #2a8a4b;
  --sun: #ffc83a;
  --coral: #ff6b57;
  --plum: #8a63d2;
  --line: #b9d6ee;
  --font-display: "Lilita One", "Arial Rounded MT Bold", "Trebuchet MS", sans-serif;
  --font-body: "Atkinson Hyperlegible", "Verdana", system-ui, sans-serif;
  --radius: 18px;
  --shadow: 0 6px 0 rgba(28, 42, 74, 0.18);
  color-scheme: light;
}

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

body {
  margin: 0;
  background: var(--sky);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
}

a { color: var(--ink); }
a:focus-visible, button:focus-visible, input:focus-visible + label, summary:focus-visible {
  outline: 3px solid var(--plum);
  outline-offset: 3px;
  border-radius: 8px;
}

.wrap { max-width: 1040px; margin: 0 auto; padding-inline: 16px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-wrap: balance;
  margin: 0;
  line-height: 1.1;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 10;
  background: var(--paper);
  border-bottom: 3px solid var(--ink);
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 10px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ink);
}
.brand-mark {
  width: 34px; height: 34px;
  background: var(--sun);
  border: 3px solid var(--ink);
  border-radius: 9px;
  display: grid; place-items: center;
  transform: rotate(-8deg);
}
.star-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--sun);
  font-family: var(--font-display);
  font-size: 1.15rem;
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.star-pill svg { width: 22px; height: 22px; }
.star-pill .pop { animation: pop 0.45s ease; }
@keyframes pop { 0% { transform: scale(1); } 40% { transform: scale(1.45) rotate(15deg); } 100% { transform: scale(1); } }

/* ---------- hero ---------- */
.hero { padding-block: 36px 20px; position: relative; overflow: hidden; }
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(2.3rem, 6vw, 3.9rem);
  margin-block: 14px 12px;
}
.hero h1 .hl { color: var(--coral); }
.hero p.lead { font-size: 1.15rem; max-width: 34ch; color: var(--ink-soft); margin: 0 0 20px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--sun);
  border: 3px solid var(--ink);
  border-radius: 14px;
  padding: 10px 20px;
  box-shadow: var(--shadow);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 0 rgba(28, 42, 74, 0.18); }
.btn:active { transform: translateY(4px); box-shadow: 0 2px 0 rgba(28, 42, 74, 0.18); }
.btn.alt { background: var(--paper); }

/* mascot */
.mascot-stage { position: relative; display: grid; place-items: center; min-height: 260px; }
.mascot-btn { background: none; border: 0; padding: 0; cursor: pointer; }
.mascot { width: min(240px, 60vw); height: auto; display: block; }
.mascot.jump { animation: jump 0.7s cubic-bezier(.3,1.6,.5,1); }
@keyframes jump {
  0% { transform: translateY(0) scale(1, 1); }
  15% { transform: translateY(6px) scale(1.12, 0.86); }
  45% { transform: translateY(-70px) scale(0.94, 1.08) rotate(-6deg); }
  75% { transform: translateY(0) scale(1.08, 0.92); }
  100% { transform: translateY(0) scale(1, 1); }
}
.bubble {
  position: absolute;
  top: 0;
  right: 4%;
  max-width: 200px;
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: 16px;
  padding: 8px 12px;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: var(--shadow);
}
.bubble::after {
  content: "";
  position: absolute;
  left: 22px; bottom: -12px;
  width: 16px; height: 16px;
  background: var(--paper);
  border-right: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  transform: rotate(45deg);
}
.ground {
  position: absolute;
  bottom: 6px;
  width: 70%; height: 18px;
  background: rgba(28, 42, 74, 0.15);
  border-radius: 50%;
}
.cloud-deco { position: absolute; opacity: 0.9; pointer-events: none; }

@media (prefers-reduced-motion: reduce) {
  .mascot.jump, .star-pill .pop { animation: none; }
}

/* ---------- worlds map ---------- */
.worlds { padding-block: 24px 48px; }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 18px; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.4rem); }
.section-head p { margin: 0; color: var(--ink-soft); }

.world-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 22px;
  position: relative;
}
.world {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
  transition: transform 0.15s ease;
}
a.world:hover { transform: translateY(-4px) rotate(-0.6deg); }
.world-art { aspect-ratio: 16 / 9; max-width: 100%; display: block; width: 100%; border-bottom: 3px solid var(--ink); }
.world-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.world-num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.world h3 { font-size: 1.55rem; }
.world p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.chip {
  font-size: 0.8rem;
  font-weight: 700;
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 2px 10px;
  background: var(--cloud);
}
.chip.go { background: var(--grass); color: var(--paper); }
.progress-row { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.bar { flex: 1; height: 12px; border: 2px solid var(--ink); border-radius: 999px; background: var(--cloud); overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--sun); width: 0; transition: width 0.4s ease; }

.world.locked { background: var(--cloud); }
.world.locked .world-art { filter: grayscale(0.55) brightness(1.05); }
.lock-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.95rem;
  border-radius: 999px;
  padding: 4px 12px;
}

/* ---------- grown-ups strip ---------- */
.grownups {
  background: var(--paper);
  border-top: 3px solid var(--ink);
  padding-block: 28px;
}
.grownups .wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.grownups h2 { font-size: 1.5rem; margin-bottom: 6px; }
.grownups p, .grownups li { color: var(--ink-soft); font-size: 0.98rem; }
.grownups ul { margin: 0; padding-left: 20px; }

.site-foot { padding-block: 18px; font-size: 0.88rem; color: var(--ink-soft); }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

/* ---------- manual page ---------- */
.crumb { padding-block: 16px 0; font-weight: 700; }
.crumb a { text-decoration: none; }
.crumb a:hover { text-decoration: underline; }

.manual-hero { padding-block: 18px 10px; }
.manual-hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}
.manual-hero h1 { font-size: clamp(2.1rem, 5.5vw, 3.4rem); margin-block: 10px; }
.manual-hero .lead { color: var(--ink-soft); font-size: 1.1rem; max-width: 46ch; margin: 0 0 14px; }
.stat-row { display: flex; flex-wrap: wrap; gap: 8px; }
.stat {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 4px 12px;
  font-weight: 700;
  font-size: 0.9rem;
}
.trophy {
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  display: grid;
  gap: 10px;
  text-align: center;
}
.trophy .big { font-family: var(--font-display); font-size: 2.6rem; line-height: 1; font-variant-numeric: tabular-nums; }
.trophy .stars { display: flex; flex-wrap: wrap; justify-content: center; gap: 3px; }
.trophy .stars svg { width: 24px; height: 24px; }
.trophy p { margin: 0; font-size: 0.95rem; color: var(--ink-soft); }

.path { padding-block: 18px 30px; }
.levels { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; position: relative; }
.levels::before {
  content: "";
  position: absolute;
  left: 31px; top: 20px; bottom: 20px;
  border-left: 5px dotted var(--sky-deep);
}
.level {
  position: relative;
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.level-num {
  width: 66px; height: 66px;
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 1.8rem;
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: 50%;
  position: relative;
  z-index: 1;
  transition: background 0.2s ease;
}
.level.done .level-num { background: var(--sun); }
.level.boss .level-num { background: var(--coral); color: var(--paper); }
.level.boss.done .level-num { background: var(--sun); color: var(--ink); }
.level-card {
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: grid;
  gap: 8px;
  min-width: 0;
}
.level-card h3 { font-size: 1.45rem; }
.goal { margin: 0; }
.goal strong { color: var(--grass-deep); }
.videos { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.videos a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 10px;
  background: var(--cloud);
  border: 2px solid transparent;
  min-width: 0;
}
.videos a:hover { border-color: var(--ink); }
.videos .play {
  flex: none;
  width: 30px; height: 22px;
  background: var(--coral);
  border-radius: 6px;
  display: grid; place-items: center;
}
.videos .vt { font-weight: 700; overflow-wrap: anywhere; }
.videos .vm { color: var(--ink-soft); font-size: 0.85rem; white-space: nowrap; margin-left: auto; padding-left: 8px; font-variant-numeric: tabular-nums; }
.videos li.main a { background: #fff3cf; }
.tag-main { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-soft); }
.tip { margin: 0; font-size: 0.95rem; background: #eaf7ee; border-left: 5px solid var(--grass); padding: 8px 12px; border-radius: 0 10px 10px 0; }

.done-toggle { display: flex; align-items: center; gap: 10px; }
.done-toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.done-toggle label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.05rem;
  border: 3px solid var(--ink);
  border-radius: 12px;
  padding: 5px 14px;
  background: var(--paper);
  user-select: none;
}
.done-toggle label svg { width: 22px; height: 22px; }
.done-toggle input:checked + label { background: var(--sun); }
.done-toggle input:checked + label .s-empty { display: none; }
.done-toggle input:not(:checked) + label .s-full { display: none; }

.next-world {
  margin-block: 10px 40px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
}
.next-world h2 { font-size: 1.7rem; color: var(--sun); }
.next-world p { margin: 6px 0 0; color: #d6e2f5; }
.next-world .lock-big { font-family: var(--font-display); font-size: 1.1rem; background: var(--paper); color: var(--ink); border-radius: 999px; padding: 6px 16px; white-space: nowrap; }

details.parents {
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  padding: 4px 16px;
  margin-bottom: 30px;
}
details.parents summary { cursor: pointer; font-family: var(--font-display); font-size: 1.3rem; padding-block: 10px; }
details.parents ul { padding-left: 20px; margin: 0 0 14px; color: var(--ink-soft); }
details.parents li { margin-bottom: 6px; }

.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 50; }

@media (max-width: 720px) {
  .hero .wrap, .manual-hero .wrap { grid-template-columns: 1fr; }
  .mascot-stage { min-height: 220px; order: -1; }
  .next-world { grid-template-columns: 1fr; }
  .level { grid-template-columns: 48px minmax(0, 1fr); gap: 10px; }
  .level-num { width: 48px; height: 48px; font-size: 1.35rem; }
  .levels::before { left: 22px; }
  .videos a { flex-wrap: wrap; }
  .videos .vm { margin-left: 40px; padding-left: 0; }
}

/* ---------- language (EN / ES) ---------- */
html[data-lang="es"] [data-l="en"] { display: none !important; }
html:not([data-lang="es"]) [data-l="es"] { display: none !important; }
.top-right { display: flex; align-items: center; gap: 10px; }
.lang-toggle {
  display: inline-flex;
  border: 3px solid var(--ink);
  border-radius: 999px;
  overflow: hidden;
  background: var(--paper);
}
.lang-toggle button {
  font-family: var(--font-display);
  font-size: 0.95rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 4px 10px;
  cursor: pointer;
}
.lang-toggle button[aria-pressed="true"] { background: var(--sky-deep); color: var(--paper); }
@media (max-width: 420px) {
  .brand { font-size: 1.15rem; }
  .star-pill .word { display: none; }
}