:root {
  --black:  #080808;
  --dark:   #111111;
  --dark2:  #1a1a1a;
  --accent: #C97B1A;
  --white:  #F4F3EE;
  --muted:  rgba(244,243,238,0.55);
  --border: rgba(244,243,238,0.08);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Space Grotesk', sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── SHELL ── */
.quiz-shell { display: flex; flex-direction: column; min-height: 100vh; }

/* ── HEADER ── */
.quiz-header {
  padding: 20px 32px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.quiz-logo {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
}
.quiz-progress-wrap {
  height: 3px;
  background: var(--border);
  width: 100%;
}
.quiz-progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.5s ease;
}

/* ── MAIN ── */
.quiz-main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 24px 80px;
}

/* ── STEPS ── */
.step { display: none; width: 100%; max-width: 640px; animation: fadeIn 0.3s ease; }
.step.active { display: block; }

@keyframes fadeIn { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }

.step-tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.step-desc {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 40px;
}

/* ── FORMS ── */
.step-form { display: flex; gap: 0; margin-bottom: 16px; flex-wrap: wrap; }
.step-form input {
  flex: 1;
  min-width: 220px;
  padding: 18px 20px;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-right: none;
  color: var(--white);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}
.step-form input:focus { border-color: var(--accent); }
.step-form input::placeholder { color: rgba(244,243,238,0.3); }

/* ── BUTTONS ── */
.btn-primary {
  padding: 18px 28px;
  background: var(--accent);
  color: var(--white);
  border: none;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
  text-decoration: none;
}
.btn-primary:hover { background: #ff5520; }

.btn-ghost {
  display: block;
  background: none;
  border: none;
  color: var(--muted);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
  padding: 8px 0;
  transition: color 0.2s;
}
.btn-ghost:hover { color: var(--white); }

/* ── OPTIONS GRID (verticales) ── */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.opt-card {
  background: var(--dark);
  border: 1px solid var(--border);
  padding: 24px 20px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.2s, background 0.2s;
  color: var(--white);
  font-family: 'Space Grotesk', sans-serif;
}
.opt-card:hover { border-color: var(--accent); background: var(--dark2); }
.opt-card--wide { grid-column: 1 / -1; }
.opt-icon { font-size: 1.4rem; }
.opt-label { font-size: 1rem; font-weight: 700; }
.opt-sub { font-size: 0.85rem; color: var(--muted); }

/* ── OPTIONS COL (preguntas simples) ── */
.options-col { display: flex; flex-direction: column; gap: 8px; }
.opt-row {
  padding: 20px 24px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--white);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s, background 0.2s;
}
.opt-row:hover { border-color: var(--accent); background: rgba(255,59,0,0.08); }

/* ── OPTIONS CHECK ── */
.options-check { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.opt-check {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.opt-check:hover { border-color: var(--accent); }
.opt-check input { accent-color: var(--accent); width: 18px; height: 18px; }

/* ── RESULT STEPS ── */
.result-step { }
.result-tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 20px;
}
.result-number {
  font-family: 'Space Mono', monospace;
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}
.result-step h2 {
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.2;
}
.result-desc {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 36px;
}
.result-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 44px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}
.result-step-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.rs-num {
  width: 28px;
  height: 28px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: 'Space Mono', monospace;
}
.result-step-item p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  padding-top: 3px;
}

/* ── RESULT CTA ── */
.result-cta { }
.result-cta p {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 12px;
}
.result-form { display: flex; gap: 0; flex-wrap: wrap; }
.result-form input {
  flex: 1;
  min-width: 200px;
  padding: 16px 20px;
  background: var(--dark2);
  border: 1px solid var(--border);
  border-right: none;
  color: var(--white);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  outline: none;
}
.result-form input:focus { border-color: var(--accent); }
.result-form button {
  padding: 16px 24px;
  background: var(--accent);
  color: var(--white);
  border: none;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.result-form button:hover { background: #ff5520; }

/* ── RESPONSIVE ── */
@media (max-width: 540px) {
  .options-grid { grid-template-columns: 1fr; }
  .step-form { flex-direction: column; }
  .step-form input { border-right: 1px solid var(--border); }
  .result-form { flex-direction: column; }
  .result-form input { border-right: 1px solid var(--border); }
}