/* ─────────────────────────────────────────────────────────────
   BG360 — Hoja de estilos compartida para páginas internas.
   Reutiliza exactamente los tokens del homepage (index.html).
   No modifica la identidad visual: black obsidian + champagne/rose gold.
   ───────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Fuentes de respaldo con métricas ajustadas a Inter / Cormorant Garamond.
   Mientras cargan las web fonts, el texto ocupa el mismo espacio y el swap
   no desplaza el layout (CLS). Valores calculados con fontTools. */
@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial'), local('ArialMT');
  size-adjust: 105.98%;
  ascent-override: 91.41%;
  descent-override: 22.76%;
  line-gap-override: 0%;
}
@font-face {
  font-family: 'Cormorant Fallback';
  src: local('Georgia');
  size-adjust: 89.76%;
  ascent-override: 102.94%;
  descent-override: 31.97%;
  line-gap-override: 0%;
}

:root {
  --bg:        #0A0A0A;
  --bg2:       #141414;
  --bg3:       #1C1C1C;
  --border:    rgba(201,166,107,0.2);
  --muted:     #4A4640;
  --fg:        #F9F8F5;
  --fg2:       #A8A49F;
  --navy:      #101A2B;
  --gold:        #C9A66B;
  --gold-bright: #E6C077;
  --gold-dim:    rgba(201,166,107,0.18);
  --gold-glow:   rgba(201,166,107,0.12);
  --font:      'Inter', 'Inter Fallback', system-ui, sans-serif;
  --serif:     'Cormorant Garamond', 'Cormorant Fallback', Georgia, serif;
  --radius:    12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: var(--font); border: none; }

/* ── Utilities ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--gold); background: var(--gold-glow);
  border: 1px solid rgba(201,166,107,0.3);
  padding: 4px 12px; border-radius: 100px;
}
.tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gold); color: #fff;
  font-size: 15px; font-weight: 700;
  padding: 14px 28px; border-radius: var(--radius-sm);
  transition: all 200ms ease;
}
.btn-primary:hover { background: var(--gold-bright); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(230,192,119,0.25); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--fg2);
  font-size: 15px; font-weight: 500;
  padding: 14px 24px; border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all 200ms ease;
}
.btn-ghost:hover { border-color: var(--fg2); color: var(--fg); }

/* ── Topbar + Nav (misma estructura que el homepage) ── */
.topbar {
  background: var(--gold); color: #fff;
  font-size: 12px; font-weight: 600;
  text-align: center; padding: 7px 24px;
  display: flex; align-items: center; justify-content: center; gap: 20px;
  flex-wrap: wrap;
}
.topbar a { color: #fff; font-weight: 700; text-decoration: underline; }
.topbar-sep { opacity: .55; }

.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 68px;
}
.logo { display: flex; align-items: center; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--fg2);
  padding: 6px 11px; border-radius: 6px;
  transition: color 150ms, background 150ms;
}
.nav-links a:hover { color: var(--fg); background: rgba(255,255,255,0.05); }
.nav-links a[aria-current="page"] { color: var(--gold); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-cta {
  background: var(--gold); color: #fff;
  font-size: 13px; font-weight: 700;
  padding: 9px 18px; border-radius: var(--radius-sm);
  transition: all 200ms ease; white-space: nowrap;
}
.nav-cta:hover { background: var(--gold-bright); transform: translateY(-1px); }

@media (max-width: 900px) {
  .nav-links { display: none; }
}

/* ── Breadcrumb ── */
.breadcrumb {
  font-size: 13px; color: var(--muted);
  /* Solo padding superior: el lateral lo pone .container (24px). */
  padding-top: 20px;
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb a { color: var(--fg2); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb li + li::before { content: '/'; margin-right: 8px; color: var(--muted); }

/* ── Page hero ── */
.page-hero { padding: 48px 0 56px; border-bottom: 1px solid var(--border); }
.page-hero .eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 18px;
}
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 700; line-height: 1.06; letter-spacing: -.01em;
  max-width: 820px;
}
.page-hero .lede {
  font-size: 18px; color: var(--fg2); line-height: 1.8;
  max-width: 680px; margin-top: 22px;
}
.page-hero .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.brandline {
  font-family: var(--serif); font-style: italic;
  font-size: 20px; color: var(--gold-bright); margin-top: 18px;
}

/* ── Prose ── */
.prose { padding: 56px 0 24px; max-width: 760px; }
.prose h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700; line-height: 1.15;
  margin: 52px 0 18px;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 19px; font-weight: 700; color: var(--fg);
  margin: 34px 0 10px;
}
.prose p { color: var(--fg2); line-height: 1.85; margin-bottom: 18px; font-size: 16.5px; }
.prose strong { color: var(--fg); font-weight: 600; }
.prose ul, .prose ol { color: var(--fg2); line-height: 1.85; margin: 0 0 20px 22px; font-size: 16.5px; }
.prose li { margin-bottom: 9px; }
.prose a { color: var(--gold-bright); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--gold); }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 44px 0; }

/* ── Factor / pilar cards ── */
.pillars {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px; margin: 32px 0 8px;
}
.pillar {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.pillar-num {
  font-family: var(--serif); font-size: 15px; font-weight: 700;
  color: var(--gold); letter-spacing: .06em; margin-bottom: 10px;
}
.pillar h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; color: var(--fg); }
.pillar p { font-size: 14.5px; color: var(--fg2); line-height: 1.7; margin: 0; }

/* ── Checklist ── */
.checklist { list-style: none; margin: 24px 0; padding: 0; }
.checklist li {
  position: relative; padding-left: 30px; margin-bottom: 13px;
  color: var(--fg2); line-height: 1.75; font-size: 16px;
}
.checklist li::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--gold-glow); border: 1px solid rgba(201,166,107,0.45);
}
.checklist li::after {
  content: ''; position: absolute; left: 5px; top: 13px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
}

/* ── FAQ ── */
.faq { margin: 28px 0; }
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg2); padding: 18px 22px; margin-bottom: 12px;
}
.faq summary {
  cursor: pointer; font-weight: 600; font-size: 16.5px; color: var(--fg);
  list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--gold); font-weight: 400; font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq details p { color: var(--fg2); line-height: 1.8; margin: 14px 0 0; font-size: 16px; }

/* ── CTA band ── */
.cta-band {
  background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 64px 0; margin-top: 56px; text-align: center;
}
.cta-band h2 {
  font-family: var(--serif); font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 700; line-height: 1.15; max-width: 720px; margin: 0 auto;
}
.cta-band p { color: var(--fg2); max-width: 580px; margin: 18px auto 0; line-height: 1.8; }
.cta-band .actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 30px; }
.cta-band .micro { font-size: 13px; color: var(--muted); margin-top: 18px; }

/* ── Related links ── */
.related { padding: 56px 0; }
.related h2 { font-family: var(--serif); font-size: 30px; font-weight: 700; margin-bottom: 22px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.related-card {
  display: block; background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  transition: border-color 200ms ease, transform 200ms ease;
}
.related-card:hover { border-color: rgba(201,166,107,0.5); transform: translateY(-2px); }
.related-card .rc-title { font-size: 16px; font-weight: 700; color: var(--fg); margin-bottom: 7px; }
.related-card .rc-desc { font-size: 14px; color: var(--fg2); line-height: 1.65; }

/* ── Disclaimer ── */
.disclaimer {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 20px 22px;
  font-size: 13.5px; color: var(--fg2); line-height: 1.75;
  margin: 40px 0;
}
.disclaimer strong { color: var(--fg); }

/* ── Footer ── */
.site-footer { background: var(--bg); border-top: 1px solid var(--border); padding: 56px 0 36px; }
.footer-top {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--border);
}
.footer-brand-line { font-family: var(--serif); font-size: 19px; color: var(--gold-bright); margin: 14px 0 8px; }
.footer-loc { font-size: 14px; color: var(--muted); line-height: 1.7; }
.footer-col-title {
  font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--fg); margin-bottom: 14px;
}
.footer-col-links { display: flex; flex-direction: column; gap: 9px; }
.footer-col-links a, .footer-col-links span { font-size: 14px; color: var(--fg2); }
.footer-col-links a:hover { color: var(--gold); }
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social a { width: 34px; height: 34px; border: 1px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: border-color 200ms; }
.footer-social a:hover { border-color: var(--gold); }
.footer-social svg { width: 15px; height: 15px; fill: var(--fg2); }
.footer-bottom { padding-top: 28px; text-align: center; }
.footer-copy { font-size: 13px; color: var(--fg2); margin-bottom: 6px; }
.footer-legal { font-size: 12.5px; color: var(--muted); line-height: 1.8; max-width: 800px; margin: 16px auto 0; }
.footer-legal a { color: var(--muted); text-decoration: underline; }