:root {
  --paper: #fbf7ef;
  --card: #fffdf8;
  --ink: #1f1a17;
  --muted: #6a6159;
  --line: rgba(31, 26, 23, 0.12);
  --red: #c8283c;
  --red-soft: #fbe3e6;
  --teal: #1f9a8a;
  --teal-soft: #d8f1ec;
  --gold: #d99a2b;
  --gold-soft: #fbedd2;
  --blue: #2f5d9c;
  --blue-soft: #dde7f5;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Outfit", "Segoe UI", sans-serif;
  --hand: "Caveat", cursive;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--paper);
  background-image: repeating-linear-gradient(transparent 0 31px, rgba(47, 93, 156, 0.06) 31px 32px);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
}
button, select { font: inherit; color: inherit; }
.wrap { width: min(1100px, calc(100% - 2rem)); margin: 0 auto; }

.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(251, 247, 239, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.9rem 0; flex-wrap: wrap; }
.eyebrow { margin: 0; font-family: var(--hand); color: var(--red); font-size: 1.4rem; line-height: 1; }
h1 { margin: 0; font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -0.02em; }
.tabs { display: flex; gap: 0.3rem; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 0.25rem; }
.tabs button { border: 0; background: transparent; padding: 0.5rem 1rem; border-radius: 999px; cursor: pointer; font-weight: 560; }
.tabs button[aria-selected="true"] { background: var(--ink); color: white; }

main { padding: 1.6rem 0 3rem; }
.lead { color: var(--muted); font-size: 1.1rem; margin: 0 0 0.5rem; }
.sec { font-family: var(--serif); font-size: 1.5rem; margin: 2.2rem 0 0.9rem; letter-spacing: -0.02em; }
.sec::after { content: ""; display: block; width: 52px; height: 4px; border-radius: 4px; background: var(--teal); margin-top: 0.3rem; }
.hint { color: var(--muted); font-size: 0.92rem; }
.center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }

/* timeline */
.timeline { display: flex; gap: 0.6rem; overflow-x: auto; padding: 0.6rem 0 1rem; scroll-snap-type: x mandatory; position: relative; }
.t-item {
  flex: 0 0 170px; scroll-snap-align: start;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 0.8rem; cursor: pointer; text-align: left; border-top: 5px solid var(--c, var(--teal));
}
.t-item b { display: block; font-family: var(--serif); font-size: 1.35rem; }
.t-item span { display: block; font-size: 0.92rem; }
.t-item small { display: none; color: var(--muted); margin-top: 0.4rem; font-size: 0.85rem; }
.t-item.open small { display: block; }

/* pyramid */
.pyramid { display: grid; gap: 4px; justify-items: center; }
.tier {
  border: 0; cursor: pointer; color: white; font-weight: 700;
  padding: 0.7rem 0.4rem; text-align: center; border-radius: 6px;
  transition: transform 0.15s;
}
.tier:hover { transform: scale(1.02); }
.tier small { display: none; font-weight: 400; font-size: 0.86rem; margin-top: 0.2rem; }
.tier.open small { display: block; }

/* ladder */
.ladder { display: grid; gap: 0.4rem; }
.rung { display: grid; grid-template-columns: 110px 1fr; align-items: center; gap: 0.7rem; }
.rung span { font-size: 0.85rem; color: var(--muted); text-align: right; }
.rung b { background: var(--blue-soft); border-left: 5px solid var(--blue); padding: 0.55rem 0.8rem; border-radius: 8px; }
.rung:first-child b { background: var(--red-soft); border-left-color: var(--red); }
.powers { margin: 0.6rem 0 0; padding-left: 1.1rem; font-size: 0.92rem; color: var(--muted); }

.vs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.vs div { border-radius: 12px; padding: 0.8rem; }
.vs b { display: block; font-family: var(--serif); font-size: 1.2rem; }
.vs span { font-size: 0.9rem; }
.vs-a { background: var(--gold-soft); }
.vs-b { background: var(--teal-soft); }

/* tiles */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 0.7rem; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 0.9rem; }
.tile .ico { font-size: 1.6rem; }
.tile b { display: block; font-family: var(--serif); font-size: 1.15rem; margin-top: 0.2rem; }
.tile .big { font-family: var(--hand); color: var(--red); font-size: 1.6rem; line-height: 1.1; }
.tile p { margin: 0.3rem 0 0; font-size: 0.9rem; color: var(--muted); }

.causes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; }
.cause { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1rem; font-weight: 560; }
.cause span { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--red); color: white; margin-right: 0.4rem; }
.cause small { display: block; font-weight: 400; color: var(--muted); margin-top: 0.4rem; }

/* family */
.family { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 1.2rem; }
.parents { display: flex; justify-content: center; align-items: center; gap: 0.8rem; flex-wrap: wrap; }
.parent { background: var(--blue-soft); border-radius: 12px; padding: 0.6rem 1rem; font-weight: 700; text-align: center; }
.parent small { display: block; font-weight: 400; color: var(--muted); }
.heart { color: var(--red); font-size: 1.4rem; }
.kids { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.5rem; margin-top: 1rem; border-top: 2px dashed var(--line); padding-top: 1rem; }
.kid { border: 1px solid var(--line); background: white; border-radius: 12px; padding: 0.55rem 0.7rem; cursor: pointer; text-align: left; }
.kid i { font-style: normal; display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--teal-soft); font-size: 0.8rem; font-weight: 700; margin-right: 0.3rem; }
.kid b { font-size: 0.95rem; }
.kid small { display: none; color: var(--muted); margin-top: 0.3rem; font-size: 0.85rem; }
.kid.open small { display: block; }
.kid.jose { background: var(--red); color: white; border-color: var(--red); }
.kid.jose i { background: white; color: var(--red); }
.kid.jose small { color: rgba(255,255,255,0.9); }

/* path */
.path { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: stretch; }
.step { flex: 1 1 160px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 0.8rem; position: relative; }
.step b { display: block; font-family: var(--serif); }
.step span { font-size: 0.88rem; color: var(--muted); }
.step em { font-style: normal; font-family: var(--hand); color: var(--teal); font-size: 1.3rem; }

/* flashcards */
.card-bar { display: flex; gap: 0.7rem; align-items: center; justify-content: center; flex-wrap: wrap; margin-bottom: 1rem; }
select { border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 0.55rem 0.7rem; }
.flip { display: block; width: min(640px, 100%); height: 320px; margin: 0 auto; border: 0; padding: 0; background: none; cursor: pointer; perspective: 1400px; }
.flip-inner { display: block; position: relative; width: 100%; height: 100%; transition: transform 0.5s; transform-style: preserve-3d; }
.flip.flipped .flip-inner { transform: rotateY(180deg); }
.face {
  position: absolute; inset: 0; backface-visibility: hidden;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 0.7rem;
  padding: 1.6rem; border-radius: 22px; text-align: center;
  box-shadow: 0 14px 40px rgba(31, 26, 23, 0.1);
}
.front { background: var(--card); border: 2px solid var(--ink); }
.back { background: var(--teal); color: white; transform: rotateY(180deg); }
.face small { font-family: var(--hand); font-size: 1.4rem; color: var(--red); }
.back small { color: var(--gold-soft); }
.face b { font-family: var(--serif); font-size: clamp(1.3rem, 3vw, 1.9rem); line-height: 1.25; }
.face em { font-style: normal; font-size: 0.9rem; opacity: 0.75; }
.card-nav { display: flex; justify-content: center; gap: 0.7rem; margin-top: 1.2rem; }

button.ghost { background: var(--card); color: var(--ink); border: 1px solid var(--line); }
.card-nav button, .start-row button, .q-actions button, .card-bar button {
  border: 0; background: var(--ink); color: white; border-radius: 999px; padding: 0.65rem 1.2rem; cursor: pointer; font-weight: 560;
}
.card-bar button.ghost, .card-nav button.ghost, .start-row button.ghost { background: var(--card); color: var(--ink); border: 1px solid var(--line); }

/* quiz */
.start { text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 2rem 1.2rem; max-width: 720px; margin: 0 auto; }
.start h2 { font-family: var(--serif); font-size: 2rem; margin: 0 0 0.3rem; }
.start-row { display: flex; justify-content: center; gap: 0.6rem; flex-wrap: wrap; margin-top: 1rem; }
#quiz-run { max-width: 760px; margin: 0 auto; }
.progress { height: 10px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--teal), var(--gold)); transition: width 0.3s; }
.q-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 0.8rem; color: var(--muted); font-size: 0.92rem; gap: 0.5rem; }
.tag { background: var(--gold-soft); color: #7a5410; border-radius: 999px; padding: 0.15rem 0.6rem; }
.q { font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 1rem 0; line-height: 1.25; }
.choices { display: grid; gap: 0.55rem; }
.choice {
  text-align: left; border: 2px solid var(--line); background: var(--card); border-radius: 14px;
  padding: 0.85rem 1rem; cursor: pointer; display: flex; gap: 0.7rem; align-items: center; font-size: 1.02rem;
}
.choice:hover:not(:disabled) { border-color: var(--ink); }
.choice .k { flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--paper); border: 2px solid var(--line); font-family: var(--serif); font-weight: 700; font-size: 1.2rem; }
.choice.right { border-color: var(--teal); background: var(--teal-soft); }
.choice.right .k { background: var(--teal); border-color: var(--teal); color: white; }
.choice.wrong { border-color: var(--red); background: var(--red-soft); }
.choice.wrong .k { background: var(--red); border-color: var(--red); color: white; }
.choice:disabled { cursor: default; }
.explain { margin-top: 0.9rem; border-radius: 14px; padding: 0.9rem 1rem; background: var(--blue-soft); border-left: 5px solid var(--blue); }
.explain .warn { display: block; margin-top: 0.5rem; background: var(--gold-soft); border-radius: 8px; padding: 0.5rem 0.7rem; font-size: 0.92rem; }
.q-actions { display: flex; justify-content: flex-end; margin-top: 1rem; }

.ring {
  width: 150px; height: 150px; border-radius: 50%; margin: 0 auto 1rem;
  display: grid; place-items: center;
  background: conic-gradient(var(--teal) calc(var(--p, 0) * 1%), var(--line) 0);
}
.ring b { width: 118px; height: 118px; border-radius: 50%; background: var(--card); display: grid; place-items: center; font-family: var(--serif); font-size: 2rem; }
.miss { text-align: left; margin-top: 1rem; display: grid; gap: 0.5rem; }
.miss div { background: var(--red-soft); border-radius: 10px; padding: 0.6rem 0.8rem; font-size: 0.95rem; }
.miss b { display: block; }

.foot { color: var(--muted); font-size: 0.88rem; padding: 0 0 2rem; }

@media (max-width: 760px) {
  .grid-2, .causes, .vs { grid-template-columns: 1fr; }
  .flip { height: 360px; }
  .rung { grid-template-columns: 86px 1fr; }
}