/* IAnodus — CSS comun para /faq/ (hub + verticales).
   Misma paleta y tipografia que /insights/. Externa para evitar
   duplicar ~300 lineas en cada FAQ vertical. */

:root {
  --ink: #0c0a08;
  --cream: #efe8db;
  --cream-soft: rgba(239, 232, 219, 0.68);
  --cream-dim: rgba(239, 232, 219, 0.4);
  --amber: #e6693a;
  --rule: rgba(239, 232, 219, 0.14);
  --display: 'Fraunces', 'Tiempos Headline', Georgia, serif;
  --body: 'Inter Tight', 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--ink); color: var(--cream); font-family: var(--body); -webkit-font-smoothing: antialiased; }
::selection { background: var(--amber); color: var(--ink); }
a { color: inherit; }

body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 100;
  opacity: 0.12; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.skip-link {
  position: absolute; top: -40px; left: 12px; z-index: 100;
  background: var(--amber); color: var(--ink);
  padding: 10px 16px; font-family: var(--mono); font-size: 12px;
  letter-spacing: 1.5px; text-transform: uppercase; text-decoration: none;
  transition: top .15s;
}
.skip-link:focus { top: 12px; outline: 2px solid var(--cream); outline-offset: 2px; }

.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 40px; background: rgba(12,10,8,0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono); font-size: 11px; letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--cream-soft);
}
.topbar a { text-decoration: none; }
.topbar .brand { color: var(--cream); font-weight: 500; letter-spacing: 2px; }
.topbar .brand .dot { color: var(--amber); }
.topbar .back { display: inline-flex; align-items: center; gap: 8px; color: var(--cream-soft); transition: color .2s; }
.topbar .back:hover { color: var(--amber); }
.topbar .lang { display: flex; gap: 14px; }
.topbar .lang button {
  background: transparent; border: none; font: inherit; color: var(--cream-dim); cursor: pointer;
  padding: 4px 0; letter-spacing: 1.8px;
}
.topbar .lang button.active { color: var(--amber); }
.topbar .lang button:hover { color: var(--cream); }

.hero {
  position: relative; padding: 140px 40px 80px; max-width: 1400px; margin: 0 auto;
  border-bottom: 1px solid var(--rule);
}
.hero .meta-row {
  display: flex; gap: 32px; flex-wrap: wrap; align-items: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--amber); text-transform: uppercase;
  margin-bottom: 48px;
}
.hero .meta-row .dot-pulse {
  width: 6px; height: 6px; border-radius: 3px; background: var(--amber);
  animation: pulse 2s ease-in-out infinite;
}
.hero .meta-row span.muted { color: var(--cream-dim); }
.hero h1 {
  font-family: var(--display); font-weight: 400; font-style: italic;
  font-size: clamp(56px, 8vw, 120px); line-height: 0.98; letter-spacing: -0.035em;
  margin: 0 0 32px; max-width: 1100px; text-wrap: balance;
}
.hero h1 .amber { color: var(--amber); }
.hero .standfirst {
  font-family: var(--display); font-weight: 400; font-size: clamp(20px, 2.1vw, 28px);
  line-height: 1.4; color: var(--cream); max-width: 800px; margin: 0; text-wrap: pretty;
}

/* FAQ list (accordion) */
article.faq {
  max-width: 900px; margin: 0 auto; padding: 100px 40px 60px;
  font-family: var(--body);
}
article.faq .intro {
  font-size: 19px; line-height: 1.6; color: var(--cream-soft);
  border-left: 1px solid var(--amber); padding-left: 24px; margin-bottom: 80px;
  max-width: 720px; text-wrap: pretty;
}
article.faq details {
  border-top: 1px solid var(--rule);
  padding: 28px 0;
}
article.faq details:last-of-type { border-bottom: 1px solid var(--rule); }
article.faq details summary {
  cursor: pointer;
  list-style: none;
  display: grid; grid-template-columns: 56px 1fr 32px; align-items: baseline; gap: 16px;
  transition: color .2s;
}
article.faq details summary::-webkit-details-marker { display: none; }
article.faq details summary .num {
  font-family: var(--mono); font-size: 12px; letter-spacing: 2px; color: var(--amber);
}
article.faq details summary .q {
  font-family: var(--display); font-style: italic; font-weight: 400;
  font-size: clamp(22px, 2.6vw, 32px); line-height: 1.2; color: var(--cream);
  text-wrap: balance;
}
article.faq details summary .toggle {
  font-family: var(--mono); font-size: 22px; color: var(--amber); text-align: right;
  transition: transform .25s ease;
  line-height: 1;
}
article.faq details[open] summary .toggle { transform: rotate(45deg); }
article.faq details summary:hover .q { color: var(--amber); }
article.faq details .a {
  margin-top: 20px; padding: 0 0 0 72px;
  font-size: 17px; line-height: 1.7; color: var(--cream-soft);
  text-wrap: pretty;
}
article.faq details .a strong { color: var(--amber); font-weight: 500; }
article.faq details .a a { color: var(--amber); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }

/* CTA cierre */
.endcta {
  max-width: 1400px; margin: 0 auto; padding: 80px 40px;
  border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start;
}
.endcta .eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--amber); text-transform: uppercase; margin-bottom: 20px; }
.endcta h2 {
  font-family: var(--display); font-weight: 400; font-style: italic;
  font-size: clamp(32px, 3.5vw, 48px); line-height: 1; letter-spacing: -0.025em;
  color: var(--cream); margin: 0 0 20px; text-wrap: balance;
}
.endcta p { font-family: var(--body); font-size: 17px; line-height: 1.6; color: var(--cream-soft); max-width: 540px; margin: 0; }
.endcta .arrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 24px; padding-bottom: 4px; border-bottom: 1px solid var(--amber);
  font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--amber);
  text-transform: uppercase; text-decoration: none; transition: gap .2s;
}
.endcta .arrow:hover { gap: 18px; }

/* HUB cards (solo /faq/index.html) */
.hub-grid {
  max-width: 1200px; margin: 0 auto; padding: 80px 40px 40px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.hub-card {
  display: block; padding: 36px 32px;
  border: 1px solid var(--rule); background: rgba(239,232,219,0.02);
  text-decoration: none; color: inherit;
  transition: border-color .2s, background .2s, transform .2s;
}
.hub-card:hover { border-color: var(--amber); background: rgba(230,105,58,0.04); transform: translateY(-2px); }
.hub-card .num { font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--amber); margin-bottom: 16px; text-transform: uppercase; }
.hub-card h3 {
  font-family: var(--display); font-style: italic; font-weight: 400;
  font-size: clamp(28px, 3vw, 40px); line-height: 1.05; margin: 0 0 16px; color: var(--cream);
  text-wrap: balance;
}
.hub-card p { font-family: var(--body); font-size: 15px; line-height: 1.55; color: var(--cream-soft); margin: 0; max-width: 460px; }
.hub-card .arrow { display: inline-block; margin-top: 24px; font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--amber); text-transform: uppercase; }

footer.site {
  padding: 40px; border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: 10px; letter-spacing: 1.8px;
  color: var(--cream-dim); text-transform: uppercase;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px;
}

@keyframes pulse { 0%, 100% { opacity: 1 } 50% { opacity: 0.3 } }

@media (max-width: 820px) {
  .topbar { padding: 14px 20px; }
  .hero { padding: 80px 24px 60px; }
  article.faq { padding: 70px 24px 40px; }
  article.faq details summary { grid-template-columns: 40px 1fr 28px; gap: 12px; }
  article.faq details .a { padding: 0 0 0 52px; font-size: 16px; }
  .endcta { grid-template-columns: 1fr; padding: 60px 24px; gap: 32px; }
  .hub-grid { grid-template-columns: 1fr; padding: 60px 24px; gap: 18px; }
  .hub-card { padding: 28px 24px; }
  footer.site { padding: 30px 24px; }
}

[data-lang] { display: none !important; }
html[lang="es"] [data-lang="es"],
html[lang="en"] [data-lang="en"] { display: revert !important; }