/* Landing SEO: misma paleta de marca. Escala tipográfica por tokens (no tamaños sueltos). */
:root {
  --ink: #0c2f2b;
  --ink-soft: #163f3a;
  --canopy: #1f6b5c;
  --seafoam: #3fae96;
  --mist: #e8f2ee;
  --parchment: #f5f8f6;
  --gold: #e3a008;
  --gold-deep: #c48400;
  --coral: #e4572e;
  --text: #12201e;
  --text-2: #4a5c58;
  --muted: #6e807c;
  --stroke: #d5e3de;
  --white: #ffffff;
  --success: #1f8a5b;
  --fs-display: clamp(1.75rem, 4vw, 2.35rem);
  --fs-title: 1.15rem;
  --fs-body: 1.02rem;
  --fs-small: 0.92rem;
  --fs-kicker: 0.78rem;
  --lh-display: 1.15;
  --lh-body: 1.55;
  --radius: 16px;
  --max: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--parchment);
  color: var(--text);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

a { color: var(--canopy); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 22px; }

.top {
  background: var(--ink);
  color: var(--white);
  padding: 16px 0;
}
.top a.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
}
.top img { width: 40px; height: 40px; border-radius: 12px; }
.top strong { font-family: Fraunces, Georgia, serif; font-weight: 700; }
.top span { display: block; color: rgba(255,255,255,.78); font-size: var(--fs-small); }

.hero { padding: 36px 0 12px; }
.kicker {
  font-size: var(--fs-kicker);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--gold-deep);
  margin: 0 0 10px;
}
h1 {
  font-family: Fraunces, Georgia, serif;
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: var(--lh-display);
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  color: var(--ink);
}
.lead { color: var(--text-2); margin: 0 0 8px; }

.item {
  background: var(--white);
  border: 1px solid var(--stroke);
  border-radius: 20px;
  padding: 22px;
  margin: 22px 0;
}
.eyebrow {
  font-size: var(--fs-kicker);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--canopy);
  margin: 0 0 10px;
}
.context {
  background: var(--mist);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 0 0 14px;
  color: var(--ink-soft);
}
.stem { font-weight: 700; margin: 0 0 14px; color: var(--ink); }

.opts { display: grid; gap: 8px; }
.opt {
  display: flex;
  gap: 10px;
  width: 100%;
  text-align: left;
  border: 1.4px solid var(--stroke);
  background: var(--white);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  color: inherit;
  cursor: pointer;
}
.opt:hover { border-color: var(--canopy); }
.opt .ltr {
  flex: 0 0 1.6em;
  font-weight: 700;
  color: var(--canopy);
}
.opt.is-correct {
  border-color: var(--success);
  background: #e8f6ef;
}
.opt.is-wrong {
  border-color: var(--coral);
  background: #fdecea;
}
.item.is-locked .opt { cursor: default; }

.criterio {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--stroke);
}
.criterio h3 {
  font-family: Fraunces, Georgia, serif;
  font-size: var(--fs-title);
  margin: 0 0 8px;
  color: var(--ink);
}
.criterio p { margin: 0 0 10px; color: var(--text-2); }
.quiz .criterio { display: none; }
.quiz.is-done .criterio { display: block; }

.score {
  display: none;
  background: var(--ink);
  color: var(--white);
  border-radius: 16px;
  padding: 18px 20px;
  margin: 18px 0;
}
.quiz.is-done .score { display: block; }
.score strong { color: var(--gold); font-family: Fraunces, Georgia, serif; }

.cta {
  background: var(--ink);
  color: var(--white);
  border-radius: 20px;
  padding: 28px 24px;
  margin: 36px 0 24px;
}
.cta h2 {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.45rem;
  line-height: 1.2;
  margin: 0 0 10px;
}
.cta p { color: rgba(255,255,255,.86); margin: 0 0 18px; }
.btn-gold {
  display: inline-block;
  background: var(--gold);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
  padding: 16px 22px;
}
.btn-gold:hover { background: var(--gold-deep); color: var(--white); }

.related { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 28px; }
.related a {
  border: 1.4px solid var(--stroke);
  border-radius: 999px;
  padding: 8px 14px;
  text-decoration: none;
  color: var(--ink);
  font-size: var(--fs-small);
  font-weight: 600;
}

.faq h2 {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.35rem;
  color: var(--ink);
}
.faq details {
  border-bottom: 1px solid var(--stroke);
  padding: 12px 0;
}
.faq summary { font-weight: 700; cursor: pointer; }
.disclaimer, .foot {
  color: var(--muted);
  font-size: var(--fs-small);
}
.foot { padding: 12px 0 40px; }
.foot a { color: var(--muted); }