/* ---------- Definition hero ---------- */

.rd-hero {
  padding: 2.8rem 0 1.6rem;
  text-align: center;
}

.rd-hero-inner {
  max-width: 760px;
  margin: 0 auto;
}

.rd-hero .eyebrow {
  margin: 0 auto 1.1rem;
}

.rd-word {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  letter-spacing: -0.01em;
  line-height: 1;
}

.rd-phonetic {
  margin: 0.6rem 0 1.4rem;
  font-family: var(--font-sans);
  font-style: italic;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--accent-blue);
}

.rd-def {
  margin: 0 auto;
  max-width: 54ch;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  line-height: 1.7;
}

.rd-def-sub {
  margin: 1.3rem 0 0;
  max-width: 46ch;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  color: var(--ink);
  line-height: 1.5;
}

/* ---------- Quiz card ---------- */

.quiz {
  padding: 1.6rem 0 3.6rem;
}

.quiz-inner {
  display: flex;
  justify-content: center;
}

.quiz-card {
  width: min(100%, 700px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  padding: clamp(1.6rem, 4vw, 3rem);
}

.quiz-progress {
  margin-bottom: 1.6rem;
}

.quiz-progress-track {
  height: 8px;
  background: var(--surface-alt);
  border-radius: 999px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: var(--accent-blue);
  transition: width 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.quiz-progress-label {
  margin: 0.6rem 0 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--ink-soft);
}

.quiz-question {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.quiz-view {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 260ms ease, transform 260ms ease;
}

.quiz-view.is-leaving {
  opacity: 0;
  transform: translateY(-8px);
}

.quiz-text {
  margin: 0 0 1.7rem;
  font-family: var(--font-sans);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.42;
  color: var(--ink);
}

/* Highlighter mark */
.quiz-text mark.hl {
  position: relative;
  background: none;
  color: inherit;
  padding: 0 0.06em;
  white-space: nowrap;
}

.quiz-text mark.hl::before {
  content: "";
  position: absolute;
  left: -0.12em;
  right: -0.12em;
  top: 0.12em;
  bottom: 0;
  background: var(--accent-yellow);
  mix-blend-mode: multiply;
  border-radius: 3px 8px 4px 9px / 5px 9px 4px 7px;
  transform: scaleX(0);
  transform-origin: left center;
  z-index: -1;
}

.quiz-text mark.hl.is-active::before {
  animation: markerSwipe 0.5s cubic-bezier(0.22, 0.8, 0.24, 1) forwards;
}

@keyframes markerSwipe {
  to {
    transform: scaleX(1);
  }
}

.quiz-answers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.quiz-answer {
  flex: 1 1 140px;
  border: 1px solid var(--line);
  background: rgba(222, 223, 225, 0.4);
  color: var(--ink);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease,
    border-color 160ms ease;
}

.quiz-answer:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(7, 7, 38, 0.1);
  border-color: var(--accent-blue);
}

.quiz-answer.is-selected {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.quiz-back {
  margin-top: 1.5rem;
  border: none;
  background: none;
  padding: 0;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  align-self: flex-start;
}

/* ---------- Result: fields for the optional email form ---------- */

.quiz-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.quiz-field.is-full {
  grid-column: 1 / -1;
}

.quiz-field label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--ink-soft);
}

.quiz-field input,
.quiz-field select {
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.quiz-field input:focus,
.quiz-field select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(14, 20, 207, 0.18);
}

.quiz-case-studies {
  margin-top: 2rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.quiz-case-studies-label {
  margin: 0 0 1rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.quiz-case-studies-grid {
  display: grid;
  gap: 0.9rem;
  text-align: left;
}

.quiz-case-study {
  display: block;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  background: rgba(222, 223, 225, 0.3);
  transition: border-color 160ms ease, transform 160ms ease;
}

.quiz-case-study:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.quiz-case-study-title {
  display: block;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.quiz-case-study-stat {
  display: block;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.quiz-case-study-link {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-blue);
}

.quiz-case-study:hover .quiz-case-study-link {
  text-decoration: underline;
}

/* ---------- Result ---------- */

.quiz-result-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  line-height: 1.25;
  color: var(--ink);
  text-wrap: balance;
}

.quiz-result-intro {
  margin: 0 0 1.4rem;
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.6;
}

.quiz-result-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.quiz-result-row {
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.quiz-result-row.is-ok {
  padding: 0.7rem 0;
}

.quiz-result-icon {
  width: 1.4rem;
  height: 1.4rem;
  margin-top: 0.05rem;
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.quiz-result-icon.is-risk {
  stroke: var(--accent);
}

.quiz-result-icon.is-ok {
  stroke: var(--ink-faint);
}

.quiz-result-area {
  margin: 0;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
}

.quiz-result-row.is-ok .quiz-result-area {
  font-weight: 400;
  color: var(--ink-soft);
}

.quiz-result-status {
  margin-left: 0.4rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.quiz-result-risk {
  margin: 0.3rem 0 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.6;
}

.quiz-next {
  margin-top: 1.8rem;
}

.quiz-next h4 {
  margin: 0 0 0.4rem;
  font-family: var(--font-sans);
  font-size: 1.2rem;
  color: var(--ink);
}

.quiz-next p {
  margin: 0 0 1.1rem;
  max-width: 52ch;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.6;
}

.quiz-next-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.4rem;
}

.quiz-next-actions .quiz-back {
  margin-top: 0;
}

.quiz-email {
  margin-top: 1.8rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.quiz-email-title {
  margin: 0 0 0.8rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.quiz-email-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.4fr) auto;
  gap: 0.8rem;
  align-items: end;
}

.quiz-email-row .btn {
  font-size: 1rem;
  cursor: pointer;
}

.quiz-email-row .btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.quiz-email-msg {
  margin: 0.8rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}

.quiz-email-msg.is-error {
  color: var(--ink);
}

@media (max-width: 650px) {
  .quiz-email-row {
    grid-template-columns: 1fr;
  }

  .quiz-email-row .btn {
    justify-self: start;
  }

  .quiz-answers {
    flex-direction: column;
  }

  .quiz-answer {
    flex: 1 1 auto;
  }
}