/* QR Quiz – mobile-first, kid-friendly, car-trip pages (ages 6–12) */

:root {
  --sky-top: #b8e4ff;
  --sky-mid: #fff4d4;
  --sand: #fff8ea;
  --ink: #1c2740;
  --ink-soft: #3d4a66;
  --paper: #ffffff;
  --coral: #ff5a2e;
  --coral-dark: #d63e16;
  --coral-shadow: #c43712;
  --teal: #0f9d8e;
  --teal-dark: #0b7a6e;
  --sun: #ffd54a;
  --mint: #d8f8e0;
  --mint-edge: #8ed4a4;
  --yellow: #fff3a0;
  --yellow-edge: #e8c84a;
  --chip: #fff;
  --radius: 1.4rem;
  --shadow: 0 10px 28px rgba(28, 39, 64, 0.12);
  --font: "Trebuchet MS", "Avenir Next", "Segoe UI", "Nunito", "Verdana", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 6%, var(--sun) 0 3.2rem, transparent 3.3rem),
    radial-gradient(circle at 92% 6%, rgba(255, 213, 74, 0.35) 0 6rem, transparent 6.1rem),
    linear-gradient(180deg, var(--sky-top) 0 8.5rem, var(--sky-mid) 14rem, var(--sand) 22rem);
  line-height: 1.45;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--teal-dark);
}

.wrap {
  width: min(38rem, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 0.8rem 0 2.5rem;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.7rem;
  background: var(--coral);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1rem;
  box-shadow: 0 4px 0 var(--coral-shadow);
}

.home-link {
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem 1.5rem;
  box-shadow: var(--shadow);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.chip {
  display: inline-block;
  background: #e8f8f5;
  color: var(--teal-dark);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.num {
  font-weight: 800;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

h1,
.h1 {
  font-size: clamp(1.45rem, 5.5vw, 1.9rem);
  line-height: 1.25;
  margin: 0 0 1.1rem;
  letter-spacing: -0.02em;
}

.audio-block {
  margin: 0 0 1.2rem;
  padding: 0.9rem;
  background: #f3fbff;
  border: 2px dashed #9ad4ee;
  border-radius: 1.1rem;
  text-align: center;
}

.audio-block audio {
  width: 100%;
  height: 3rem;
}

.audio-label {
  margin: 0 0 0.55rem;
  font-weight: 800;
  color: var(--teal-dark);
}

.audio-fallback {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink);
  background: var(--yellow);
  border-radius: 0.8rem;
  padding: 0.85rem 0.7rem;
}

.answer-details {
  margin-top: 0.4rem;
}

.answer-details summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  text-align: center;
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1.2;
  color: #fff;
  background: var(--coral);
  border-radius: 1.1rem;
  padding: 0.95rem 1rem;
  min-height: 3.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 0 var(--coral-shadow);
  transform: translateY(-2px);
}

.answer-details summary::-webkit-details-marker,
.answer-details summary::marker {
  display: none;
  content: "";
}

.answer-details summary:hover,
.answer-details summary:focus-visible {
  background: #ff6d46;
}

.answer-details summary:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.answer-details summary:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--coral-shadow);
}

.answer-details[open] summary {
  background: var(--teal);
  box-shadow: 0 4px 0 var(--teal-dark);
  margin-bottom: 1rem;
}

.answer {
  background: var(--mint);
  border: 2px solid var(--mint-edge);
  border-radius: 1.1rem;
  padding: 1rem 1rem 1.15rem;
  animation: pop 0.28s ease-out;
}

@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(0.4rem) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.answer-label {
  margin: 0 0 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--teal-dark);
}

.answer-text {
  margin: 0;
  font-size: clamp(1.55rem, 6vw, 2.05rem);
  font-weight: 800;
  line-height: 1.2;
}

.flag-wrap {
  margin: 1rem 0 0.2rem;
  display: flex;
  justify-content: center;
}

.flag {
  width: min(100%, 16rem);
  height: auto;
  border-radius: 0.5rem;
  box-shadow: 0 6px 16px rgba(28, 39, 64, 0.18);
  background: #fff;
}

.flag.square {
  width: min(100%, 11rem);
}

.flag.nepal {
  width: min(100%, 10rem);
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.funfact {
  margin-top: 1rem;
  background: var(--yellow);
  border: 2px solid var(--yellow-edge);
  border-radius: 1rem;
  padding: 0.85rem 0.95rem;
}

.funfact-label {
  margin: 0 0 0.2rem;
  font-weight: 800;
  font-size: 0.95rem;
}

.funfact p:last-child {
  margin: 0;
  font-size: 1.05rem;
}

.foot {
  text-align: center;
  margin-top: 1.25rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* Landing and language index pages */
.hero {
  text-align: center;
  padding: 1.2rem 0 0.4rem;
}

.hero h1 {
  font-size: clamp(2rem, 9vw, 3rem);
  margin: 0.3rem 0 0.4rem;
}

.hero p {
  margin: 0 auto 1.4rem;
  max-width: 28rem;
  font-size: 1.15rem;
  color: var(--ink-soft);
}

.choices {
  display: grid;
  gap: 0.9rem;
}

.choice {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 1.2rem 1.1rem;
  box-shadow: var(--shadow);
  font-weight: 800;
  font-size: 1.45rem;
  text-align: center;
  border: 3px solid transparent;
}

.choice:hover,
.choice:focus-visible {
  border-color: var(--coral);
}

.choice span {
  display: block;
  margin-top: 0.2rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.cats {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 0;
}

.cat {
  background: var(--paper);
  border-radius: 1.1rem;
  padding: 0.95rem 1rem;
  box-shadow: var(--shadow);
}

.cat strong {
  display: block;
  font-size: 1.15rem;
  margin-bottom: 0.15rem;
}

.cat p {
  margin: 0;
  color: var(--ink-soft);
}

.note {
  margin-top: 1.3rem;
  text-align: center;
  color: var(--ink-soft);
}

/* 404 */
.error-page .card {
  text-align: center;
}

.error-page h1 {
  margin-bottom: 0.5rem;
}

.error-page p {
  font-size: 1.1rem;
  color: var(--ink-soft);
}

.btn {
  display: inline-block;
  margin-top: 0.6rem;
  background: var(--coral);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  padding: 0.8rem 1.2rem;
  border-radius: 1rem;
  box-shadow: 0 5px 0 var(--coral-shadow);
}

@media (min-width: 700px) {
  html {
    font-size: 20px;
  }
}