/* ============================================
   Impulso PYME IA — Estilos compartidos del blog
   Paleta de marca: crema #FAF6EF · ámbar #BA5526/#D46840 · marrón #2C1A0E
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --cream: #FAF6EF; --warm-white: #FDF9F4;
  --amber: #BA5526; --amber-light: #D46840; --amber-pale: #F5E6D8;
  --brown-deep: #2C1A0E; --brown-mid: #5C3A1E; --text: #2A1F17; --text-muted: #7A6155; --border: #E8D9CC;
}
html { scroll-behavior: smooth; }
body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--cream); color: var(--text); line-height: 1.7; overflow-x: hidden; }

/* NAV (idéntico al resto del sitio) */
nav.site-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 4rem;
  background: rgba(250,246,239,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.25rem; color: var(--brown-deep); letter-spacing: -0.02em; text-decoration: none; }
.nav-logo span { color: var(--amber); }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { text-decoration: none; font-size: 0.86rem; font-weight: 500; color: var(--text-muted); transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--amber); }
.nav-cta { background: var(--amber); color: white; padding: 0.55rem 1.3rem; border-radius: 50px; font-size: 0.82rem; font-weight: 600; text-decoration: none !important; }
.nav-cta:hover { background: var(--amber-light); }
@media (max-width: 900px) { nav.site-nav { padding: 1rem 1.3rem; } .nav-links { display: none; } }

/* BREADCRUMB */
.breadcrumb { max-width: 780px; margin: 2rem auto 0; padding: 0 1.5rem; font-size: 0.82rem; color: var(--text-muted); }
.breadcrumb a { color: var(--amber); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ARTICLE */
main.article-main { max-width: 780px; margin: 0 auto; padding: 2rem 1.5rem 5rem; }
.article-label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 1rem; display: block; }
.article-h1 { font-family: 'Fraunces', serif; font-size: clamp(1.9rem, 4.5vw, 2.7rem); font-weight: 800; color: var(--brown-deep); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 1.2rem; }
.article-meta { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 2.5rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.article-meta strong { color: var(--text); }
.tldr { background: var(--amber-pale); border-left: 4px solid var(--amber); border-radius: 0 14px 14px 0; padding: 1.3rem 1.6rem; margin: 0 0 2.5rem; }
.tldr p { color: var(--brown-mid); font-size: 0.95rem; margin: 0; }
.tldr strong { color: var(--brown-deep); }
article.article-body h2 { font-family: 'Fraunces', serif; font-size: 1.5rem; font-weight: 700; color: var(--brown-deep); margin: 2.5rem 0 1rem; letter-spacing: -0.01em; }
article.article-body h3 { font-family: 'Fraunces', serif; font-size: 1.15rem; font-weight: 600; color: var(--brown-deep); margin: 1.8rem 0 0.8rem; }
article.article-body p { font-size: 1rem; color: var(--text-muted); margin-bottom: 1.2rem; }
article.article-body p strong, article.article-body li strong { color: var(--text); }
article.article-body ul, article.article-body ol { margin: 0 0 1.4rem 1.4rem; color: var(--text-muted); }
article.article-body li { margin-bottom: 0.5rem; }
article.article-body a { color: var(--amber); font-weight: 600; text-decoration: none; }
article.article-body a:hover { text-decoration: underline; }
.stat-box { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr)); gap: 1rem; margin: 2rem 0; }
.stat-item { background: white; border: 1px solid var(--border); border-radius: 16px; padding: 1.2rem; text-align: center; }
.stat-num { font-family: 'Fraunces', serif; font-size: 2rem; font-weight: 800; color: var(--amber); display: block; line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }
table.compare-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0 2rem; font-size: 0.9rem; }
table.compare-table th, table.compare-table td { border: 1px solid var(--border); padding: 0.7rem 0.9rem; text-align: left; }
table.compare-table th { background: var(--brown-deep); color: white; font-weight: 600; }
table.compare-table tr:nth-child(even) { background: white; }
table.compare-table tr:nth-child(odd) { background: var(--warm-white); }
.faq-mini { margin-top: 2.5rem; }
.faq-mini details { background: white; border: 1px solid var(--border); border-radius: 14px; padding: 0; margin-bottom: 0.7rem; overflow: hidden; }
.faq-mini summary { padding: 1.1rem 1.4rem; cursor: pointer; font-weight: 600; color: var(--brown-deep); list-style: none; }
.faq-mini summary::-webkit-details-marker { display: none; }
.faq-mini details p { padding: 0 1.4rem 1.1rem; margin: 0; }
.cta-box { background: var(--brown-deep); border-radius: 24px; padding: 2.2rem; text-align: center; margin: 3rem 0 1rem; }
.cta-box p { color: rgba(255,255,255,0.7); margin-bottom: 1.2rem; }
.cta-box a.btn-primary { background: var(--amber); color: white; padding: 0.85rem 1.8rem; border-radius: 50px; font-weight: 600; text-decoration: none; display: inline-block; }
.cta-box a.btn-primary:hover { background: var(--amber-light); }
.author-box { display: flex; gap: 1rem; align-items: center; margin-top: 3rem; padding: 1.5rem; background: white; border: 1px solid var(--border); border-radius: 18px; }
.author-box img { border-radius: 50%; flex-shrink: 0; }
.author-box .a-name { font-family: 'Fraunces', serif; font-weight: 600; color: var(--brown-deep); }
.author-box .a-role { font-size: 0.82rem; color: var(--text-muted); }
.related { margin-top: 3rem; }
.related h2 { font-family: 'Fraunces', serif; font-size: 1.3rem; color: var(--brown-deep); margin-bottom: 1rem; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1rem; }
.related-card { background: white; border: 1px solid var(--border); border-radius: 16px; padding: 1.2rem; text-decoration: none; display: block; transition: all 0.2s; }
.related-card:hover { border-color: var(--amber); transform: translateY(-3px); }
.related-card .rc-label { font-size: 0.72rem; color: var(--amber); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.related-card .rc-title { font-family: 'Fraunces', serif; font-size: 1rem; color: var(--brown-deep); font-weight: 600; margin-top: 0.3rem; }

/* BLOG INDEX */
.blog-hero { background: var(--brown-deep); padding: 5rem 1.5rem 4rem; text-align: center; }
.blog-hero-eyebrow { color: var(--amber); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 1.2rem; }
.blog-hero h1 { font-family: 'Fraunces', serif; font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 800; color: white; letter-spacing: -0.03em; margin-bottom: 1rem; }
.blog-hero p { color: rgba(255,255,255,0.6); max-width: 560px; margin: 0 auto; font-size: 1rem; }
.blog-grid-wrap { max-width: 1100px; margin: 0 auto; padding: 4rem 1.5rem 5rem; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 1.6rem; }
.post-card { background: white; border: 1px solid var(--border); border-radius: 24px; padding: 2rem; text-decoration: none; display: block; transition: all 0.25s; }
.post-card:hover { transform: translateY(-5px); box-shadow: 0 20px 50px rgba(44,26,14,0.1); border-color: var(--amber); }
.post-card .pc-tag { display: inline-block; background: var(--amber-pale); color: var(--amber); font-size: 0.72rem; font-weight: 700; padding: 0.3rem 0.8rem; border-radius: 50px; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.04em; }
.post-card h2 { font-family: 'Fraunces', serif; font-size: 1.25rem; color: var(--brown-deep); font-weight: 700; margin-bottom: 0.7rem; line-height: 1.3; }
.post-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }
.post-card .pc-read { display: inline-block; margin-top: 1rem; color: var(--amber); font-size: 0.85rem; font-weight: 600; }

/* FOOTER */
footer.site-footer { background: var(--brown-deep); color: rgba(255,255,255,0.6); padding: 2.5rem 4rem; display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; flex-wrap: wrap; gap: 1rem; border-top: 1px solid rgba(255,255,255,0.07); }
.footer-logo { font-family: 'Fraunces', serif; font-size: 1.2rem; color: white; font-weight: 600; text-decoration: none; }
.footer-logo span { color: var(--amber); }
.footer-links { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.82rem; }
.footer-links a:hover { color: var(--amber); }
@media (max-width: 768px) { footer.site-footer { padding: 2rem 1.5rem; flex-direction: column; text-align: center; } }

:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 4px; }
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }
@media (prefers-reduced-motion: reduce) { * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }