:root {
  --bg: #f4ede2;
  --ink: #1d1916;
  --muted: #6e6358;
  --card: rgba(255, 250, 242, 0.84);
  --line: rgba(54, 37, 22, 0.12);
  --accent: #ea6b2d;
  --accent-2: #1c8d78;
  --accent-3: #ffcf5a;
  --accent-4: #3e78d4;
  --shadow: 0 20px 60px rgba(69, 44, 19, 0.12);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 207, 90, 0.38), transparent 28%),
    radial-gradient(circle at top right, rgba(28, 141, 120, 0.18), transparent 25%),
    linear-gradient(180deg, #fffaf1 0%, var(--bg) 100%);
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hero,
.rules,
.examples,
.pitfalls,
.levels,
.trainer {
  margin-bottom: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  padding: 28px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--accent-2);
  font-weight: 800;
  text-decoration: none;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 800;
}

h1,
.section-head h2,
.rule-card h3,
.example-card h3 {
  font-family: "Avenir Next Condensed", "Arial Narrow", sans-serif;
}

h1 {
  margin: 0;
  font-size: clamp(54px, 10vw, 94px);
  line-height: 0.95;
}

.hero-text,
.section-copy {
  margin: 18px 0 0;
  max-width: 620px;
  font-size: 18px;
  line-height: 1.6;
}

.hero-actions,
.trainer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #fffaf2;
  border-color: transparent;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.82);
}

.button-ghost {
  background: rgba(62, 120, 212, 0.08);
  color: var(--accent-4);
  border-color: rgba(62, 120, 212, 0.2);
}

.button-label {
  position: relative;
  z-index: 1;
}

.button-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background: rgba(255, 255, 255, 0.24);
  pointer-events: none;
}

.button-primary.auto-progress .button-fill {
  animation: nextFill 1000ms linear forwards;
}

.hero-scene {
  position: relative;
  min-height: 330px;
  border-radius: calc(var(--radius) - 6px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 244, 222, 0.92)),
    linear-gradient(135deg, rgba(234, 107, 45, 0.16), rgba(28, 141, 120, 0.12));
  overflow: hidden;
}

.scene-card {
  position: absolute;
  width: 170px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(54, 37, 22, 0.08);
  text-align: center;
  animation: floatIn 700ms ease both;
}

.scene-left {
  left: 20px;
  top: 24px;
}

.scene-right {
  right: 20px;
  top: 52px;
  animation-delay: 120ms;
}

.scene-bottom {
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  animation-delay: 240ms;
}

.scene-label {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 207, 90, 0.28);
  font-weight: 800;
}

.emoji {
  display: block;
  margin: 14px 0 8px;
  font-size: 62px;
}

.scene-card small {
  color: var(--muted);
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
}

.rule-grid,
.example-grid,
.level-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.rule-card,
.example-card,
.pitfall-card,
.level-card,
.trainer-shell {
  border-radius: 24px;
}

.rule-card,
.example-card,
.level-card {
  padding: 20px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.rule-top,
.level-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.rule-card h3,
.example-card h3,
.level-card h3 {
  margin: 10px 0 8px;
  font-size: 28px;
}

.rule-card p,
.example-card p,
.level-card p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.55;
}

.rule-icon {
  font-size: 30px;
}

.tag-list,
.word-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag,
.word-chip {
  padding: 8px 10px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(54, 37, 22, 0.08);
  font-weight: 800;
}

.rule-play {
  background: linear-gradient(180deg, rgba(255, 248, 238, 0.96), rgba(255, 255, 255, 0.82));
}

.rule-go {
  background: linear-gradient(180deg, rgba(241, 255, 251, 0.96), rgba(255, 255, 255, 0.82));
}

.rule-do {
  background: linear-gradient(180deg, rgba(244, 247, 255, 0.96), rgba(255, 255, 255, 0.82));
}

.example-type {
  color: var(--accent-2);
  font-weight: 800;
}

.example-line {
  font-size: 22px;
  color: var(--ink);
  font-weight: 800;
}

.pitfall-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.pitfall-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 247, 235, 0.92));
  border: 1px solid var(--line);
  text-align: center;
}

.pitfall-card span {
  color: var(--muted);
  font-weight: 700;
}

.level-card {
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.level-card:hover {
  transform: translateY(-3px);
}

.level-card.active {
  border-color: rgba(28, 141, 120, 0.45);
  box-shadow: 0 12px 24px rgba(28, 141, 120, 0.12);
}

.level-card.locked {
  opacity: 0.6;
  cursor: not-allowed;
}

.level-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  gap: 12px;
}

.streak-mini {
  color: var(--muted);
  font-weight: 700;
}

.medal-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: rgba(255, 207, 90, 0.16);
  border: 1px dashed rgba(54, 37, 22, 0.16);
  font-size: 24px;
}

.medal-slot.earned {
  background: rgba(255, 207, 90, 0.36);
  border-style: solid;
}

.trainer-shell {
  position: relative;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255, 249, 238, 0.96), rgba(255, 255, 255, 0.78));
  border: 1px solid var(--line);
  overflow: hidden;
}

.confetti-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.confetti {
  position: absolute;
  top: 18%;
  width: 12px;
  height: 20px;
  border-radius: 4px;
  opacity: 0;
  animation: confettiBurst 1400ms ease-out forwards;
}

.confetti.round {
  width: 14px;
  height: 14px;
  border-radius: 999px;
}

.trainer-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(28, 141, 120, 0.12);
  font-weight: 800;
}

.prompt-card {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 18px;
  padding: 18px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--line);
}

.prompt-visual {
  display: grid;
  place-items: center;
  min-height: 132px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255, 207, 90, 0.44), rgba(234, 107, 45, 0.16));
  font-size: 70px;
}

.prompt-text {
  margin: 0 0 10px;
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  line-height: 1.15;
}

.prompt-hint {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.choices {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.choice {
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  font-size: 28px;
  font-weight: 800;
  text-transform: lowercase;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease;
}

.choice:hover {
  transform: translateY(-2px);
}

.choice.correct {
  background: rgba(28, 141, 120, 0.14);
  border-color: rgba(28, 141, 120, 0.5);
}

.choice.wrong {
  background: rgba(234, 107, 45, 0.15);
  border-color: rgba(234, 107, 45, 0.5);
}

.feedback {
  min-height: 32px;
  margin-top: 14px;
  color: var(--muted);
  font-weight: 700;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes nextFill {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes confettiBurst {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) rotate(0deg) scale(0.6);
  }
  10% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--drift-x), var(--drift-y), 0) rotate(var(--spin)) scale(1);
  }
}

@media (max-width: 900px) {
  .hero,
  .rule-grid,
  .example-grid,
  .level-grid,
  .pitfall-list,
  .choices,
  .prompt-card {
    grid-template-columns: 1fr;
  }

  .hero-scene {
    min-height: 430px;
  }

  .scene-left,
  .scene-right,
  .scene-bottom {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: min(220px, calc(100% - 32px));
  }

  .scene-left {
    top: 20px;
  }

  .scene-right {
    top: 150px;
  }

  .scene-bottom {
    bottom: 20px;
  }
}