/* ============================================================
   QUIZ JLPT — Japão Relativo
   Mobile-first. Breakpoints: 480px, 740px.
   ============================================================ */

:root {
  --ink: #0d0f0f;
  --ink2: #151817;
  --paper: #f5f2ed;
  --paper2: #ebe4d8;
  --gold: #b08a57;
  --red: #c1121f;
  --muted: #766f66;
  --line: rgba(13,15,15,.13);
  --cream: #f5f1ea;
  --font-head: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;
  --font-jp: 'Noto Serif JP', serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; }
button { cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }

/* ── Header ──────────────────────────────────────────────── */
.quiz-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  color: var(--cream);
  min-height: 56px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  flex-shrink: 1;
}
.brand-mark {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--cream);
  letter-spacing: .02em;
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-head);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--gold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Nav ─────────────────────────────────────────────────── */
.quiz-nav { position: relative; flex-shrink: 0; }

.quiz-nav-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  border: 1px solid rgba(245,241,234,.18);
  background: rgba(10,10,10,.36);
  color: var(--cream);
  flex-shrink: 0;
}
.quiz-nav-toggle span {
  width: 17px;
  height: 1px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
  display: block;
}
.quiz-nav.is-open .quiz-nav-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
.quiz-nav.is-open .quiz-nav-toggle span:last-child  { transform: translateY(-3.5px) rotate(-45deg); }

.quiz-nav-links {
  position: absolute;
  top: 48px;
  right: 0;
  display: none;
  width: min(260px, calc(100vw - 32px));
  padding: 20px;
  background: rgba(15,17,17,.94);
  border: 1px solid rgba(176,138,87,.22);
  box-shadow: 0 20px 56px rgba(0,0,0,.42);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 100;
}
.quiz-nav.is-open .quiz-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-end;
}
.quiz-nav-links a {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .22em;
  color: rgba(245,241,234,.72);
  transition: color .15s;
}
.quiz-nav-links a:hover,
.quiz-nav-links a[aria-current="page"] { color: var(--cream); }

/* ── Shell ───────────────────────────────────────────────── */
.quiz-shell {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 0 0 72px;
}

/* ── Hero / Start screen ─────────────────────────────────── */
.quiz-hero {
  color: var(--cream);
  min-height: 100svh;
  padding: 112px 16px 64px;
  overflow: visible;
  background:
    radial-gradient(circle at 82% 12%, rgba(176,138,87,.19), transparent 28rem),
    radial-gradient(circle at 10% 74%, rgba(193,18,31,.11), transparent 24rem),
    linear-gradient(145deg, #0b0e0d 0%, #151918 58%, #20221f 100%);
  position: relative;
}
.quiz-hero::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 30px;
  height: 1px;
  background: linear-gradient(90deg, rgba(176,138,87,.72), transparent);
}
.quiz-hero-copy,
.level-grid {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
}
.eyebrow {
  font-size: .62rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.quiz-hero h1 {
  font-family: var(--font-head);
  font-weight: 500;
  letter-spacing: -.03em;
  font-size: clamp(3.2rem, 13vw, 5.4rem);
  line-height: .92;
  text-wrap: balance;
  max-width: 720px;
  overflow: visible;
}
.hero-copy {
  max-width: 640px;
  margin-top: 22px;
  color: rgba(245,241,234,.66);
  font-size: .9rem;
  line-height: 1.72;
}
.quiz-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 26px;
  color: rgba(245,241,234,.56);
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .15em;
}
.quiz-proof strong { color: var(--gold); font-weight: 600; }

/* ── Level grid ──────────────────────────────────────────── */
.level-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 42px;
}
.level-card {
  --level-accent: var(--gold);
  width: 100%;
  min-height: 210px;
  padding: 22px;
  text-align: left;
  background: linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.025));
  border: 1px solid rgba(245,241,234,.13);
  color: var(--cream);
  box-shadow: 0 18px 46px rgba(0,0,0,.16);
  transition: transform .24s ease, border-color .24s ease, background .24s ease, box-shadow .24s ease;
  overflow: hidden;
  position: relative;
}
.level-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -70% 10%;
  height: 180px;
  background: radial-gradient(circle, color-mix(in srgb, var(--level-accent) 35%, transparent), transparent 66%);
  pointer-events: none;
}
.level-n5 { --level-accent: #77aa72; }
.level-n4 { --level-accent: #6d9fc5; }
.level-n3 { --level-accent: #b08a57; }
.level-n2 { --level-accent: #a87891; }
.level-n1 { --level-accent: #c6a447; }
.level-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid color-mix(in srgb, var(--level-accent) 70%, transparent);
  color: var(--level-accent);
  font-family: var(--font-jp);
  font-size: 1.15rem;
}
.level-card .level-name,
.level-card em {
  display: block;
  font-style: normal;
  font-size: .58rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(245,241,234,.55);
}
.level-card strong {
  display: block;
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(2.3rem, 9vw, 3rem);
  font-weight: 500;
  line-height: .9;
  color: var(--cream);
}
.level-card em { min-height: 30px; line-height: 1.55; text-transform: none; letter-spacing: .04em; }
.level-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  padding-top: 15px;
  border-top: 1px solid rgba(245,241,234,.10);
  color: var(--level-accent);
  font-size: .58rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.level-meta b { font-size: 1rem; font-weight: 400; transition: transform .2s ease; }
.level-card:hover,
.level-card:focus-visible {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--level-accent) 75%, transparent);
  background: linear-gradient(145deg, rgba(255,255,255,.13), rgba(255,255,255,.045));
  box-shadow: 0 28px 64px rgba(0,0,0,.28);
  outline: none;
}
.level-card:hover .level-meta b,
.level-card:focus-visible .level-meta b { transform: translateX(4px); }

/* ── Quiz de partículas ─────────────────────────────────── */
.particles-quiz .quiz-hero h1 { max-width: 860px; }
.particle-grid .level-card strong {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 9vw, 3.5rem);
  line-height: .88;
}
.particle-wa { --level-accent: #c6a447; }
.particle-ga { --level-accent: #77aa72; }
.particle-wo { --level-accent: #6d9fc5; }
.particle-ni { --level-accent: #a87891; }
.particle-de { --level-accent: #c57359; }
.particle-to { --level-accent: #9c8bc0; }
.quiz-related-link {
  width: max-content;
  max-width: calc(100% - 32px);
  display: block;
  margin: 32px auto 28px;
  padding: 12px 0;
  color: rgba(245,241,234,.64);
  border-bottom: 1px solid rgba(176,138,87,.45);
  font-size: .64rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.quiz-related-link:hover { color: var(--cream); }
.question-translation {
  margin-top: 10px;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.6;
  font-style: italic;
}
.particle-answer {
  min-height: 74px;
  text-align: center;
  font-family: var(--font-jp);
  font-size: 1.65rem;
}

/* ── Quiz panel ──────────────────────────────────────────── */
.quiz-panel,
.result-panel {
  width: 100%;
  max-width: 1120px;
  margin: 110px auto 0;
  padding: 20px 16px;
  background: rgba(245,242,237,.97);
  border: 1px solid var(--line);
  box-shadow: 0 16px 52px rgba(0,0,0,.11);
}

.quiz-topline {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.quiz-panel h2,
.result-panel h2 {
  font-family: var(--font-head);
  font-weight: 500;
  letter-spacing: -.03em;
}
.quiz-panel h2 {
  font-size: clamp(2rem, 10vw, 4.2rem);
  line-height: .92;
}

/* ── Buttons ─────────────────────────────────────────────── */
.ghost-btn,
.primary-btn,
.lead-form button {
  min-height: 46px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .66rem;
  border: 1px solid rgba(13,15,15,.18);
  color: var(--ink);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.primary-btn,
.lead-form button {
  width: 100%;
  margin-top: 16px;
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}
.primary-btn:disabled {
  cursor: not-allowed;
  opacity: .44;
}
.ghost-btn:hover,
.primary-btn:not(:disabled):hover,
.lead-form button:hover {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

/* ── Progress ────────────────────────────────────────────── */
.progress-wrap { margin: 20px 0; }
.progress-labels {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--muted);
}
.progress-track {
  height: 3px;
  margin-top: 10px;
  background: rgba(13,15,15,.10);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: var(--red);
  transition: width .28s ease;
}

/* ── Question ────────────────────────────────────────────── */
.question-card { padding-top: 4px; min-width: 0; }
.question-category {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--red);
  font-size: .64rem;
  letter-spacing: .24em;
  text-transform: uppercase;
}
.question-text {
  font-size: clamp(1.3rem, 5.5vw, 2.2rem);
  line-height: 1.18;
  font-family: var(--font-head);
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.question-text :lang(ja),
.answer-jp {
  font-family: var(--font-jp);
}

/* ── Answers ─────────────────────────────────────────────── */
.answers {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}
.answer-btn {
  width: 100%;
  min-height: 52px;
  padding: 13px 14px;
  text-align: left;
  border: 1px solid rgba(13,15,15,.12);
  background: #fffdf8;
  color: var(--ink);
  font-size: .95rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
  word-break: break-word;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.answer-btn:hover:not(:disabled) {
  border-color: rgba(176,138,87,.56);
  transform: translateX(2px);
}
.answer-btn.is-selected  { border-color: var(--gold); background: #f2eadc; }
.answer-btn.is-correct   { border-color: #1f7a4d;    background: #e8f4ee; }
.answer-btn.is-wrong     { border-color: #b93a35;    background: #fae8e6; }
.answer-btn:disabled { cursor: default; }

/* ── Feedback ────────────────────────────────────────────── */
.feedback {
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: rgba(176,138,87,.10);
}
.feedback-title {
  font-weight: 600;
  margin-bottom: 6px;
  font-size: .92rem;
}
.feedback-copy {
  color: var(--muted);
  line-height: 1.65;
  font-size: .88rem;
}

/* ── Result ──────────────────────────────────────────────── */
.result-panel h2 {
  font-size: clamp(2.4rem, 12vw, 5.5rem);
  line-height: .9;
  max-width: 780px;
}
.result-score {
  margin: 18px 0;
  color: var(--gold);
  font-family: var(--font-head);
  font-size: clamp(4rem, 18vw, 8rem);
  line-height: .82;
}
.result-copy {
  max-width: 660px;
  color: var(--muted);
  line-height: 1.8;
  font-size: .9rem;
}
.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 22px 0;
}
.result-grid div {
  padding: 16px;
  border: 1px solid var(--line);
}
.result-grid strong {
  display: block;
  font-family: var(--font-head);
  font-size: 2.25rem;
  color: var(--ink);
}
.result-grid span {
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Lead box ────────────────────────────────────────────── */
.lead-box {
  margin-top: 24px;
  padding: 18px 16px;
  background: #111514;
  color: var(--cream);
}
.lead-box p {
  color: rgba(245,241,234,.76);
  line-height: 1.65;
  font-size: .9rem;
}
.lead-form {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}
.lead-form input {
  width: 100%;
  height: 44px;
  padding: 0 13px;
  border: 1px solid rgba(245,241,234,.16);
  background: rgba(245,241,234,.06);
  color: var(--cream);
  outline: none;
  font-size: .9rem;
}
.lead-form input:focus { border-color: rgba(176,138,87,.72); }
.lead-form button {
  margin-top: 0;
  background: rgba(193,18,31,.2);
  border-color: rgba(176,138,87,.42);
}
.lead-box small {
  display: block;
  margin-top: 12px;
  color: rgba(245,241,234,.46);
  font-size: .8rem;
}

/* ── Result actions ──────────────────────────────────────── */
.result-actions {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

/* ============================================================
   480px — tablets pequenos e telefones médios
   ============================================================ */
@media (min-width: 480px) {
  .quiz-shell { padding-bottom: 80px; }
  .quiz-hero { padding-left: 24px; padding-right: 24px; }
  .level-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quiz-panel, .result-panel { padding: 24px; }
  .answers { grid-template-columns: 1fr 1fr; }
  .level-card strong { font-size: clamp(1.85rem, 7vw, 2.75rem); }
}

/* ============================================================
   740px — desktop
   ============================================================ */
@media (min-width: 740px) {
  .quiz-header { padding: 22px 42px; }
  .brand-name  { font-size: 1.38rem; }

  .quiz-nav-toggle { display: none; }
  .quiz-nav-links {
    position: static;
    display: flex;
    flex-direction: row;
    width: auto;
    padding: 0;
    gap: 24px;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .quiz-shell { padding-bottom: 110px; }
  .quiz-hero { padding: 164px 42px 96px; }
  .quiz-hero::after { left: 42px; right: 42px; bottom: 46px; }
  .quiz-hero h1 { max-width: 840px; }
  .level-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-top: 58px; }
  .particle-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 1100px; }
  .level-card { min-height: 270px; padding: 20px; }
  .particle-grid .level-card { min-height: 250px; padding: 24px; }

  .quiz-panel, .result-panel { padding: 38px; }
  .quiz-topline {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
  .ghost-btn { width: auto; }
  .primary-btn { width: auto; min-width: 220px; }
  .lead-form { grid-template-columns: 1fr 1fr auto; }
  .result-actions { display: flex; }
}

/* ============================================================
   Extra pequeno — telefones muito compactos (<360px)
   ============================================================ */
@media (max-width: 359px) {
  .brand-name { display: none; }
  .quiz-shell { padding-bottom: 64px; }
  .quiz-hero { padding: 96px 14px 58px; }
  .quiz-hero h1 { font-size: clamp(2.65rem, 14vw, 3.15rem); }
  .hero-copy { font-size: .86rem; }
  .quiz-panel, .result-panel { padding: 14px 12px; }
  .level-grid { gap: 8px; }
  .level-card { min-height: 210px; padding: 18px 16px; }
  .level-card strong { font-size: clamp(1.55rem, 7.5vw, 2rem); }
  .question-text { font-size: clamp(1.15rem, 5vw, 1.8rem); }
  .answer-btn { font-size: .88rem; padding: 11px 12px; min-height: 48px; }
}