/* =========================================================
   BLOG PROFESIONAL — ESTILOS PRINCIPALES  (theme.css)
   BN_VERSION 1.0.0
   ========================================================= */

body.bn-body {
  margin: 0;
  background: var(--bn-paper);
  color: var(--bn-ink);
  font-family: var(--bn-font-body);
  font-size: var(--bn-step-0);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.bn-wrap { max-width: var(--bn-maxw); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2.5rem); }
.bn-body a { color: var(--bn-teal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.bn-body a:hover { color: var(--bn-teal-600); }
img { max-width: 100%; height: auto; }

/* ---------- HEADER ---------- */
.bn-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bn-paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--bn-line);
}
.bn-header__in { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 68px; }
.bn-logo { display: inline-flex; align-items: baseline; gap: .12em; font-family: var(--bn-font-display); font-weight: 600; font-size: 1.45rem; letter-spacing: -.02em; color: var(--bn-ink); text-decoration: none; }
.bn-logo b { color: var(--bn-teal); font-weight: 600; }
.bn-logo .dot { color: var(--bn-amber); }
.bn-nav { display: flex; align-items: center; gap: 1.6rem; font-family: var(--bn-font-ui); font-weight: 600; font-size: .94rem; }
.bn-nav a { color: var(--bn-ink-soft); text-decoration: none; position: relative; }
.bn-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px; background: var(--bn-amber); transition: right .25s ease; }
.bn-nav a:hover { color: var(--bn-ink); }
.bn-nav a:hover::after { right: 0; }
.bn-nav__cta { background: var(--bn-teal); color: #fff !important; padding: .55em 1.1em; border-radius: 999px; }
.bn-nav__cta::after { display: none; }
.bn-nav__cta:hover { background: var(--bn-teal-600); }
.bn-burger { display: none; background: none; border: 0; cursor: pointer; font-size: 1.5rem; color: var(--bn-ink); }

@media (max-width: 860px) {
  .bn-burger { display: block; }
  .bn-nav { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bn-paper); border-bottom: 1px solid var(--bn-line); padding: .5rem 1.25rem 1.25rem; transform: translateY(-120%); transition: transform .3s ease; }
  .bn-nav.is-open { transform: translateY(0); box-shadow: var(--bn-shadow-lg); }
  .bn-nav a { padding: .85rem 0; border-bottom: 1px solid var(--bn-line); }
  .bn-nav__cta { text-align: center; margin-top: .8rem; border-bottom: 0 !important; }
}

/* ---------- HERO HOME ---------- */
.bn-hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 3.5rem); position: relative; overflow: hidden; }
.bn-hero::before { content: ""; position: absolute; inset: 0; background:
  radial-gradient(60% 50% at 85% 0%, var(--bn-teal-100) 0%, transparent 60%),
  radial-gradient(40% 40% at 0% 100%, color-mix(in srgb, var(--bn-amber) 18%, transparent) 0%, transparent 55%);
  z-index: -1; }
.bn-hero__eyebrow { font-family: var(--bn-font-ui); font-weight: 700; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--bn-teal); display: inline-flex; align-items: center; gap: .5rem; }
.bn-hero__eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--bn-amber); }
.bn-hero h1 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-4); line-height: 1.03; letter-spacing: -.025em; margin: .6rem 0 1rem; max-width: 16ch; }
.bn-hero h1 em { font-style: italic; color: var(--bn-teal); }
.bn-hero__lead { font-size: var(--bn-step-1); color: var(--bn-ink-soft); max-width: 52ch; line-height: 1.5; }
.bn-hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

.bn-btn { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--bn-font-ui); font-weight: 700; font-size: .98rem; padding: .85em 1.5em; border-radius: 999px; text-decoration: none !important; cursor: pointer; border: 0; transition: transform .15s ease, box-shadow .2s ease, background .2s ease; }
.bn-btn--primary, a.bn-btn--primary, .bn-btn--primary:visited { background: var(--bn-teal); color: #fff !important; box-shadow: 0 8px 22px rgba(13,79,67,.28); }
.bn-btn--primary:hover, a.bn-btn--primary:hover { transform: translateY(-2px); background: var(--bn-teal-600); color: #fff !important; }
.bn-btn--ghost, a.bn-btn--ghost, .bn-btn--ghost:visited { background: transparent; color: var(--bn-ink) !important; border: 1.5px solid var(--bn-line); }
.bn-btn--ghost:hover, a.bn-btn--ghost:hover { border-color: var(--bn-ink); color: var(--bn-ink) !important; }
.bn-btn--amber, a.bn-btn--amber, .bn-btn--amber:visited { background: var(--bn-amber); color: var(--bn-ink) !important; }
.bn-btn--amber:hover, a.bn-btn--amber:hover { background: var(--bn-amber-600); color: var(--bn-ink) !important; transform: translateY(-2px); }

/* ---------- SECTION SHELL ---------- */
.bn-section { padding: clamp(2.5rem, 6vw, 5rem) 0; }
.bn-section__head { max-width: 60ch; margin-bottom: clamp(1.6rem, 4vw, 2.8rem); }
.bn-kicker { font-family: var(--bn-font-ui); font-weight: 700; font-size: .78rem; letter-spacing: .15em; text-transform: uppercase; color: var(--bn-amber-600); }
.bn-h2 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-3); line-height: 1.08; letter-spacing: -.02em; margin: .35rem 0 .6rem; }
.bn-section__head p { color: var(--bn-ink-soft); font-size: var(--bn-step-1); margin: 0; }
.bn-archive-intro { color: var(--bn-ink-soft); font-size: var(--bn-step-1); line-height: 1.55; max-width: 70ch; }
.bn-archive-intro p { margin: 0 0 1rem; }
.bn-archive-intro p:last-child { margin-bottom: 0; }
.bn-archive-intro strong { color: var(--bn-ink); }

/* Cabecera de archivo de categoría */
.bn-archive-head { display: flex; align-items: center; gap: 1.2rem; margin-bottom: 1.4rem; }
.bn-archive-head__icon { font-size: 2.6rem; line-height: 1; width: 72px; height: 72px; display: grid; place-items: center; background: var(--bn-teal-100); border-radius: var(--bn-radius); flex-shrink: 0; }
.bn-archive-head .bn-h2 { margin: .2rem 0 0; }
@media (max-width: 520px){ .bn-archive-head { gap: .9rem; } .bn-archive-head__icon { width: 56px; height: 56px; font-size: 2rem; } }

/* Placeholder de tarjeta sin imagen destacada */
.bn-card__media--ph { display: grid; place-items: center; background:
  radial-gradient(120% 120% at 0% 0%, var(--bn-teal) 0%, var(--bn-teal-600) 70%); }
.bn-card__ph-icon { font-size: 3rem; line-height: 1; filter: drop-shadow(0 4px 12px rgba(0,0,0,.25)); }

/* ---------- GRID DE CATEGORÍAS (silos) ---------- */
.bn-silos { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--bn-gap); }
.bn-silo { display: block; padding: 1.8rem; background: var(--bn-white); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); text-decoration: none; color: var(--bn-ink); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; position: relative; overflow: hidden; }
.bn-silo::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--bn-teal); transform: scaleY(0); transform-origin: top; transition: transform .25s ease; }
.bn-silo:hover { transform: translateY(-4px); box-shadow: var(--bn-shadow); border-color: transparent; }
.bn-silo:hover::after { transform: scaleY(1); }
.bn-silo__icon { font-size: 1.9rem; line-height: 1; }
.bn-silo h3 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-1); margin: .9rem 0 .4rem; letter-spacing: -.01em; }
.bn-silo p { color: var(--bn-muted); font-size: var(--bn-step--1); margin: 0 0 1rem; line-height: 1.5; }
.bn-silo__more { font-family: var(--bn-font-ui); font-weight: 700; font-size: .85rem; color: var(--bn-teal); }

/* ---------- DESTACADOS / ÚLTIMOS ARTÍCULOS ---------- */
.bn-posts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--bn-gap); }
.bn-card { background: var(--bn-white); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .2s ease; }
.bn-card:hover { transform: translateY(-4px); box-shadow: var(--bn-shadow); }
.bn-card__media { aspect-ratio: 16/9; background: var(--bn-paper-2); display: block; overflow: hidden; }
.bn-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.bn-card:hover .bn-card__media img { transform: scale(1.05); }
.bn-card__body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.bn-tag { align-self: flex-start; font-family: var(--bn-font-ui); font-weight: 700; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--bn-teal); background: var(--bn-teal-100); padding: .3em .7em; border-radius: 999px; }
.bn-card h3 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-1); line-height: 1.2; margin: .8rem 0 .5rem; letter-spacing: -.01em; }
.bn-card h3 a { color: var(--bn-ink); text-decoration: none; }
.bn-card h3 a:hover { color: var(--bn-teal); }
.bn-card__excerpt { color: var(--bn-muted); font-size: var(--bn-step--1); line-height: 1.55; margin: 0 0 1rem; }
.bn-card__meta { margin-top: auto; font-family: var(--bn-font-ui); font-size: .8rem; color: var(--bn-muted); display: flex; gap: .8rem; align-items: center; }

/* ---------- BANDA CTA ---------- */
.bn-band { background: var(--bn-teal); color: #fff; border-radius: var(--bn-radius); padding: clamp(2rem, 5vw, 3.5rem); text-align: center; position: relative; overflow: hidden; }
.bn-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 80% at 100% 0%, color-mix(in srgb, var(--bn-amber) 30%, transparent), transparent 60%); }
.bn-band > * { position: relative; }
.bn-band h2 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-2); margin: 0 0 .6rem; }
.bn-band p { color: rgba(255,255,255,.85); max-width: 46ch; margin: 0 auto 1.6rem; }

/* =========================================================
   ARTÍCULO / PILLAR PAGE
   ========================================================= */
.bn-article-layout { display: grid; grid-template-columns: 1fr; gap: var(--bn-gap); padding-block: clamp(1.5rem, 4vw, 2.5rem); }
@media (min-width: 1040px) {
  .bn-article-layout { grid-template-columns: 260px minmax(0, 1fr) 0; align-items: start; }
}

/* Breadcrumbs */
.bn-crumbs { font-family: var(--bn-font-ui); font-size: .82rem; color: var(--bn-muted); margin-bottom: 1rem; }
.bn-crumbs a { color: var(--bn-muted); text-decoration: none; }
.bn-crumbs a:hover { color: var(--bn-teal); }
.bn-crumbs span { margin-inline: .4rem; opacity: .5; }

/* Cabecera artículo */
.bn-article__header { max-width: var(--bn-content); margin-bottom: 2rem; }
.bn-article__header h1 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-3); line-height: 1.08; letter-spacing: -.02em; margin: .7rem 0 1rem; }
.bn-article__intro { font-size: var(--bn-step-1); color: var(--bn-ink-soft); line-height: 1.5; }
.bn-article__meta { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; font-family: var(--bn-font-ui); font-size: .85rem; color: var(--bn-muted); margin-top: 1.2rem; padding-top: 1.2rem; border-top: 1px solid var(--bn-line); }
.bn-article__meta .author { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--bn-ink-soft); }
.bn-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--bn-teal); color:#fff; display: inline-grid; place-items: center; font-size: .8rem; font-weight: 700; }

/* TOC sticky */
.bn-toc { position: sticky; top: 92px; align-self: start; font-family: var(--bn-font-ui); font-size: .88rem; max-height: calc(100vh - 110px); overflow-y: auto; }
.bn-toc__title { font-weight: 800; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bn-muted); margin-bottom: .8rem; }
.bn-toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--bn-line); }
.bn-toc li a { display: block; padding: .42rem 0 .42rem 1rem; margin-left: -2px; border-left: 2px solid transparent; color: var(--bn-ink-soft); text-decoration: none; line-height: 1.35; transition: color .2s ease, border-color .2s ease; }
.bn-toc li a:hover { color: var(--bn-teal); }
.bn-toc li a.is-active { color: var(--bn-teal); border-left-color: var(--bn-teal); font-weight: 700; }
.bn-toc li.lvl-3 a { padding-left: 1.9rem; font-size: .82rem; }
@media (max-width: 1039px) {
  .bn-toc { position: static; max-height: none; background: var(--bn-paper-2); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); padding: 1.2rem 1.4rem; margin-bottom: 1.5rem; }
  .bn-toc[open] {}
  .bn-toc ol { max-height: 320px; overflow-y: auto; }
}

/* Cuerpo del contenido (.bn-prose) */
.bn-prose { max-width: var(--bn-content); }
.bn-prose > * + * { margin-top: 1.15em; }
.bn-prose h2 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-2); line-height: 1.12; letter-spacing: -.02em; margin-top: 2.6em; scroll-margin-top: 92px; padding-top: .4em; }
.bn-prose h2::before { content: ""; display: block; width: 42px; height: 3px; background: var(--bn-amber); margin-bottom: .6rem; }
.bn-prose h3 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-1); margin-top: 1.8em; scroll-margin-top: 92px; }
.bn-prose p { line-height: 1.78; }
.bn-prose strong { color: var(--bn-ink); font-weight: 700; }
.bn-prose ul, .bn-prose ol { padding-left: 1.3em; }
.bn-prose li { margin-top: .5em; line-height: 1.65; }
.bn-prose ul li::marker { color: var(--bn-teal); }
.bn-prose blockquote { border-left: 4px solid var(--bn-teal); padding: .4em 0 .4em 1.3em; margin-left: 0; font-style: italic; color: var(--bn-ink-soft); font-size: var(--bn-step-1); }
.bn-prose a { font-weight: 600; }
.bn-prose img { border-radius: var(--bn-radius-sm); margin-block: 1.6em; }
.bn-prose figure figcaption { font-family: var(--bn-font-ui); font-size: .82rem; color: var(--bn-muted); text-align: center; margin-top: .6rem; }

/* Caja "callout" reutilizable */
.bn-callout { background: var(--bn-teal-100); border: 1px solid color-mix(in srgb, var(--bn-teal) 22%, transparent); border-radius: var(--bn-radius); padding: 1.3rem 1.5rem; font-size: var(--bn-step--1); }
.bn-callout strong { color: var(--bn-teal-600); }

/* Tabla editorial */
.bn-prose table { width: 100%; border-collapse: collapse; font-size: var(--bn-step--1); font-family: var(--bn-font-ui); margin-block: 1.6em; }
.bn-prose th { background: var(--bn-teal); color: #fff; text-align: left; padding: .8em 1em; font-weight: 700; }
.bn-prose td { padding: .8em 1em; border-bottom: 1px solid var(--bn-line); vertical-align: top; }
.bn-prose tr:nth-child(even) td { background: var(--bn-paper-2); }

/* FAQ */
.bn-faq { max-width: var(--bn-content); margin-top: 3rem; }
.bn-faq__item { border-bottom: 1px solid var(--bn-line); }
.bn-faq__q { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-1); cursor: pointer; padding: 1.1rem 2rem 1.1rem 0; position: relative; list-style: none; }
.bn-faq__q::-webkit-details-marker { display: none; }
.bn-faq__q::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-family: var(--bn-font-ui); color: var(--bn-teal); font-size: 1.5rem; transition: transform .2s ease; }
details[open] .bn-faq__q::after { transform: translateY(-50%) rotate(45deg); }
.bn-faq__a { padding-bottom: 1.2rem; color: var(--bn-ink-soft); }

/* AdSense — contenedor genérico, jamás bajo H, jamás en home */
.bn-ad { margin-block: 2.4rem; text-align: center; }
.bn-ad + h2, .bn-ad + h3 { margin-top: 2.6rem; }
.adsbygoogle.ad-rectangle { display: block; }

/* Navegación entre artículos del cluster */
.bn-cluster-nav { max-width: var(--bn-content); margin-top: 3rem; display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }

/* Bloque de relacionados por cluster (CPT verticales) */
.bn-related { max-width: var(--bn-maxw); margin: 3.5rem auto 0; }
.bn-related__title { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-2); margin: 0 0 1.4rem; letter-spacing: -.02em; }
.bn-related__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.bn-related__card { display: flex; flex-direction: column; gap: .4rem; padding: 1.2rem 1.3rem; background: var(--bn-white); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.bn-related__card:hover { transform: translateY(-3px); box-shadow: var(--bn-shadow); border-color: transparent; }
.bn-related__kicker { font-family: var(--bn-font-ui); font-weight: 700; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--bn-teal); }
.bn-related__h { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-0); line-height: 1.25; color: var(--bn-ink); }
.bn-pilar-link { margin-top: 2.5rem; }

/* Chips de filtrado (página Blog) */
.bn-chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.bn-chip { font-family: var(--bn-font-ui); font-weight: 700; font-size: .88rem; padding: .5em 1.1em; border-radius: 999px; border: 1.5px solid var(--bn-line); background: var(--bn-white); color: var(--bn-ink-soft) !important; text-decoration: none !important; transition: border-color .2s ease, background .2s ease, color .2s ease; }
.bn-chip:hover { border-color: var(--bn-teal); color: var(--bn-teal) !important; }
.bn-chip.is-active { background: var(--bn-teal); border-color: var(--bn-teal); color: #fff !important; }

/* Formulario de contacto (CF7) */
.bn-contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
/* Blindaje wpautop: párrafos fantasma fuera y colocación explícita de columnas */
.bn-contact-grid > p:empty { display: none; }
.bn-contact-grid > div { grid-column: 1; grid-row: 1; min-width: 0; }
.bn-contact-grid > aside { grid-column: 2; grid-row: 1; }
@media (max-width: 860px){ .bn-contact-grid { grid-template-columns: 1fr; } .bn-contact-grid > div, .bn-contact-grid > aside { grid-column: 1; grid-row: auto; } }
.bn-contact-aside { background: var(--bn-paper-2); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); padding: 1.8rem; }
.bn-contact-aside h3 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-1); margin: 0 0 .8rem; }
.bn-contact-aside p { color: var(--bn-ink-soft); font-size: var(--bn-step--1); }
.wpcf7 .wpcf7-form label { display: block; font-family: var(--bn-font-ui); font-weight: 700; font-size: .88rem; color: var(--bn-ink); margin-bottom: 1.1rem; }
.wpcf7 .wpcf7-form input[type="text"],
.wpcf7 .wpcf7-form input[type="email"],
.wpcf7 .wpcf7-form input[type="tel"],
.wpcf7 .wpcf7-form textarea {
  display: block; width: 100%; margin-top: .4rem; padding: .8em 1em;
  font-family: var(--bn-font-ui); font-size: 1rem; color: var(--bn-ink);
  background: var(--bn-white); border: 1.5px solid var(--bn-line); border-radius: var(--bn-radius-sm);
  transition: border-color .2s ease, box-shadow .2s ease; box-sizing: border-box;
}
.wpcf7 .wpcf7-form input:focus, .wpcf7 .wpcf7-form textarea:focus { outline: none; border-color: var(--bn-teal); box-shadow: 0 0 0 3px var(--bn-teal-100); }
.wpcf7 .wpcf7-form textarea { min-height: 160px; resize: vertical; }
.wpcf7 .wpcf7-form input[type="submit"] {
  font-family: var(--bn-font-ui); font-weight: 700; font-size: 1rem; cursor: pointer;
  background: var(--bn-teal); color: #fff !important; border: 0; border-radius: 999px;
  padding: .85em 1.8em; transition: background .2s ease, transform .15s ease;
}
.wpcf7 .wpcf7-form input[type="submit"]:hover { background: var(--bn-teal-600); transform: translateY(-2px); }
.wpcf7 form .wpcf7-response-output { border-radius: var(--bn-radius-sm); padding: .9em 1.2em; margin: 1.5rem 0 0; font-family: var(--bn-font-ui); font-size: .9rem; }
.wpcf7 form.sent .wpcf7-response-output { border-color: var(--bn-teal); background: var(--bn-teal-100); color: var(--bn-teal-600); }

/* Página Sobre mí */
.bn-about-head { display: grid; grid-template-columns: 120px 1fr; gap: 1.6rem; align-items: center; margin-bottom: 2rem; }
/* Blindaje wpautop: párrafos fantasma fuera y colocación explícita de cada pieza */
.bn-about-head > p:empty { display: none; }
.bn-about-head > .bn-about-avatar { grid-column: 1; grid-row: 1; }
.bn-about-head > div { grid-column: 2; grid-row: 1; min-width: 0; }
@media (max-width: 560px){ .bn-about-head { grid-template-columns: 1fr; } .bn-about-head > .bn-about-avatar, .bn-about-head > div { grid-column: 1; grid-row: auto; } }
.bn-about-avatar { width: 120px; height: 120px; border-radius: 50%; background: var(--bn-teal); color: #fff; display: grid; place-items: center; font-family: var(--bn-font-display); font-size: 2.4rem; font-weight: 600; }

/* Calculadora ROI (y futuras herramientas interactivas) */
.bn-calc { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin: 2rem 0; }
@media (max-width: 860px){ .bn-calc { grid-template-columns: 1fr; } }
.bn-calc__card { background: var(--bn-white); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); padding: 1.8rem; }
.bn-calc__card h3 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-1); margin: 0 0 1.2rem; }
.bn-calc__field { margin-bottom: 1.1rem; }
.bn-calc__field label { display: block; font-family: var(--bn-font-ui); font-weight: 700; font-size: .85rem; color: var(--bn-ink); margin-bottom: .35rem; }
.bn-calc__field .bn-calc__hint { display: block; font-family: var(--bn-font-ui); font-size: .78rem; color: var(--bn-ink-soft); margin-top: .3rem; }
.bn-calc__field input, .bn-calc__field select {
  width: 100%; padding: .7em 1em; font-family: var(--bn-font-ui); font-size: 1rem; color: var(--bn-ink);
  background: var(--bn-paper-2); border: 1.5px solid var(--bn-line); border-radius: var(--bn-radius-sm);
  transition: border-color .2s ease, box-shadow .2s ease; box-sizing: border-box;
}
.bn-calc__field input:focus, .bn-calc__field select:focus { outline: none; border-color: var(--bn-teal); box-shadow: 0 0 0 3px var(--bn-teal-100); background: var(--bn-white); }
.bn-calc__btn {
  width: 100%; font-family: var(--bn-font-ui); font-weight: 700; font-size: 1.05rem; cursor: pointer;
  background: var(--bn-teal); color: #fff !important; border: 0; border-radius: 999px; padding: .9em 1.6em;
  transition: background .2s ease, transform .15s ease; margin-top: .4rem;
}
.bn-calc__btn:hover { background: var(--bn-teal-600); transform: translateY(-2px); }
.bn-calc__roi { text-align: center; padding: 1.4rem 1rem; background: var(--bn-teal); border-radius: var(--bn-radius); margin-bottom: 1.2rem; }
.bn-calc__roi .num { display: block; font-family: var(--bn-font-display); font-weight: 600; font-size: clamp(2.2rem, 5vw, 3rem); color: var(--bn-amber); line-height: 1.1; }
.bn-calc__roi .lbl { font-family: var(--bn-font-ui); font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.85); }
.bn-calc__stats { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.bn-calc__stat { background: var(--bn-paper-2); border: 1px solid var(--bn-line); border-radius: var(--bn-radius-sm); padding: .9rem 1rem; }
.bn-calc__stat .num { display: block; font-family: var(--bn-font-display); font-weight: 600; font-size: 1.25rem; color: var(--bn-ink); }
.bn-calc__stat .lbl { font-family: var(--bn-font-ui); font-size: .76rem; font-weight: 700; color: var(--bn-ink-soft); text-transform: uppercase; letter-spacing: .06em; }
.bn-calc__stat .num.is-pos { color: var(--bn-teal-600); }
.bn-calc__stat .num.is-neg { color: #b3261e; }
.bn-calc__miles { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 1.2rem; }
.bn-calc__mile { text-align: center; background: var(--bn-amber-100, #fdf3d7); border: 1px solid var(--bn-line); border-radius: var(--bn-radius-sm); padding: .8rem .5rem; }
.bn-calc__mile .m { font-family: var(--bn-font-ui); font-weight: 700; font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; color: var(--bn-ink-soft); }
.bn-calc__mile .num { display: block; font-family: var(--bn-font-display); font-weight: 600; font-size: 1.1rem; color: var(--bn-ink); }
.bn-calc__empty { text-align: center; color: var(--bn-ink-soft); font-family: var(--bn-font-ui); padding: 2.5rem 1rem; }
@media (max-width: 600px){ .bn-cluster-nav { grid-template-columns: 1fr; } }
.bn-cluster-nav a { display: block; padding: 1.1rem 1.3rem; border: 1px solid var(--bn-line); border-radius: var(--bn-radius-sm); text-decoration: none; background: var(--bn-white); }
.bn-cluster-nav span { font-family: var(--bn-font-ui); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--bn-muted); }
.bn-cluster-nav strong { display: block; color: var(--bn-ink); font-family: var(--bn-font-display); font-size: var(--bn-step-0); margin-top: .25rem; }

/* =========================================================
   AFILIACIÓN
   ========================================================= */
.bn-aff-disclosure { display: flex; gap: .9rem; align-items: flex-start; background: var(--bn-paper-2); border: 1px solid var(--bn-line); border-left: 4px solid var(--bn-amber); border-radius: var(--bn-radius-sm); padding: .9rem 1.2rem; margin: 0 0 2rem; font-family: var(--bn-font-ui); }
.bn-aff-disclosure__icon { font-size: 1.1rem; line-height: 1.5; }
.bn-aff-disclosure p { margin: 0; font-size: .86rem; line-height: 1.55; color: var(--bn-ink-soft); }
.bn-aff-disclosure strong { color: var(--bn-ink); }

.bn-aff-btn { text-decoration: none !important; }

.bn-aff-card { position: relative; background: var(--bn-white); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); padding: 1.6rem; margin-block: 2rem; box-shadow: var(--bn-shadow); }
.bn-aff-card__badge { position: absolute; top: -12px; left: 1.6rem; background: var(--bn-teal); color: #fff; font-family: var(--bn-font-ui); font-weight: 700; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; padding: .35em .9em; border-radius: 999px; }
.bn-aff-card__grid { display: grid; grid-template-columns: 160px 1fr; gap: 1.5rem; align-items: center; }
@media (max-width: 560px){ .bn-aff-card__grid { grid-template-columns: 1fr; } .bn-aff-card__media { max-width: 180px; } }
.bn-aff-card__media img { width: 100%; height: auto; border-radius: var(--bn-radius-sm); object-fit: contain; }
.bn-aff-card__title { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-1); margin: 0 0 .5rem; line-height: 1.2; }
.bn-aff-card__text { font-size: var(--bn-step--1); color: var(--bn-ink-soft); margin: .6rem 0 1rem; }
.bn-aff-card__text p { margin: 0 0 .5rem; }
.bn-aff-stars { display: inline-flex; align-items: center; gap: .15rem; color: var(--bn-amber-600); font-size: 1.05rem; font-family: var(--bn-font-ui); }
.bn-aff-stars b { color: var(--bn-ink); font-size: .85rem; margin-left: .3rem; }
.bn-aff-star-empty { color: var(--bn-line); }
.bn-aff-card .bn-btn { margin-top: .4rem; }

/* =========================================================
   PÁGINAS LEGALES
   ========================================================= */
.bn-legal { max-width: 820px; margin-inline: auto; padding-block: clamp(2rem, 5vw, 3.5rem); }
.bn-legal__badge { font-family: var(--bn-font-ui); font-weight: 700; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bn-amber-600); }
.bn-legal h1 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-3); line-height: 1.08; margin: .5rem 0 .8rem; letter-spacing: -.02em; }
.bn-legal__lead { font-size: var(--bn-step-1); color: var(--bn-ink-soft); }
.bn-legal__updated { font-family: var(--bn-font-ui); font-size: .85rem; color: var(--bn-muted); margin-top: .8rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--bn-line); }
.bn-legal h2 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-2); margin-top: 2.4rem; }
.bn-legal h3 { font-family: var(--bn-font-display); font-weight: 600; font-size: var(--bn-step-1); margin-top: 1.6rem; }
.bn-legal p, .bn-legal li { line-height: 1.72; }
.bn-legal ul { padding-left: 1.3em; }
.bn-legal li { margin-top: .45em; }
.bn-legal table { width: 100%; border-collapse: collapse; font-size: var(--bn-step--1); font-family: var(--bn-font-ui); margin-block: 1.4em; }
.bn-legal th { background: var(--bn-teal); color: #fff; text-align: left; padding: .75em .9em; }
.bn-legal td { padding: .75em .9em; border-bottom: 1px solid var(--bn-line); }
.bn-legal tr:nth-child(even) td { background: var(--bn-paper-2); }
.bn-data { display: grid; grid-template-columns: 200px 1fr; gap: .2rem 1.5rem; background: var(--bn-paper-2); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); padding: 1.4rem 1.6rem; margin-block: 1.4rem; }
.bn-data dt { font-family: var(--bn-font-ui); font-weight: 700; color: var(--bn-ink); padding: .5rem 0; }
.bn-data dd { margin: 0; padding: .5rem 0; color: var(--bn-ink-soft); border-bottom: 1px solid var(--bn-line); }
.bn-data dt { border-bottom: 1px solid var(--bn-line); }
.bn-data dt:last-of-type, .bn-data dd:last-of-type { border-bottom: 0; }
@media (max-width: 600px){ .bn-data { grid-template-columns: 1fr; } .bn-data dd { border-bottom: 0; padding-top:0; } .bn-data dt { border-bottom:0; padding-bottom:0; } }
.bn-note { background: var(--bn-amber); color: var(--bn-ink); border-radius: var(--bn-radius-sm); padding: 1rem 1.3rem; margin-block: 1.4rem; font-size: var(--bn-step--1); }

/* =========================================================
   FOOTER
   ========================================================= */
.bn-footer { background: var(--bn-ink); color: rgba(255,255,255,.78); margin-top: clamp(3rem, 7vw, 6rem); }
.bn-footer__in { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2.5rem; padding-block: clamp(2.5rem, 5vw, 4rem); }
@media (max-width: 860px){ .bn-footer__in { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 520px){ .bn-footer__in { grid-template-columns: 1fr; } }
.bn-footer h4 { font-family: var(--bn-font-ui); font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: #fff !important; margin: 0 0 1.1rem; }
.bn-footer a { color: rgba(255,255,255,.78) !important; text-decoration: none; display: block; padding: .3rem 0; }
.bn-footer a:hover { color: var(--bn-amber) !important; }
.bn-footer__brand .bn-logo { color: #fff; font-size: 1.6rem; }
.bn-footer__brand .bn-logo b { color: var(--bn-amber); }
.bn-footer__brand p { color: rgba(255,255,255,.6); font-size: var(--bn-step--1); max-width: 32ch; margin: 1rem 0 0; }
.bn-footer__bottom { border-top: 1px solid rgba(255,255,255,.12); padding-block: 1.4rem; font-family: var(--bn-font-ui); font-size: .82rem; color: #ffffff !important; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }
.bn-footer__bottom, .bn-footer__bottom * { color: #ffffff !important; }

/* Animaciones de entrada (carga única, escalonada) */
@media (prefers-reduced-motion: no-preference) {
  .bn-reveal { opacity: 0; transform: translateY(16px); animation: bnReveal .7s cubic-bezier(.2,.7,.2,1) forwards; }
  .bn-reveal:nth-child(2){ animation-delay: .08s; }
  .bn-reveal:nth-child(3){ animation-delay: .16s; }
  .bn-reveal:nth-child(4){ animation-delay: .24s; }
  @keyframes bnReveal { to { opacity: 1; transform: none; } }
}