/* Blog de Emitio — diseño editorial sobrio (anti-AI-slop).
   Azul de marca plano, columna angosta, tipografía con aire. Sin gradientes,
   sin sombras grandes, sin emojis. Sora (titulares) + DM Sans (cuerpo). */

:root {
  --blue-deep: #0D1F5C;
  --blue-brand: #1A3A8F;
  --blue-mid: #2B52CC;
  --blue-light: #EBF0FF;
  --white: #FFFFFF;
  --ink: #1A1A2E;
  --muted: #5C6B8A;
  --border: #E3E8F0;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-optical-sizing: auto;
}
h1, h2, h3 { font-family: "Sora", sans-serif; color: var(--blue-deep); text-wrap: balance; }
img { display: block; max-width: 100%; }

/* Nav: azul de marca plano */
nav { background: var(--blue-brand); padding: 0 24px; }
.nav-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 44px; width: 44px; border-radius: 10px; }
.nav-logo span { color: var(--white); font-weight: 700; font-size: 1.2rem; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: rgba(255,255,255,0.85); font-size: 0.9375rem; font-weight: 600; text-decoration: none; }
.nav-links a:not(.btn):hover { color: var(--white); }
.btn { display: inline-block; padding: 11px 22px; border-radius: 8px; font-weight: 700; font-size: 0.9375rem; text-align: center; text-decoration: none; }
.btn-white { background: var(--white); color: var(--blue-brand); }
.btn-lg { padding: 14px 32px; font-size: 1.0625rem; }

/* Header del artículo: azul profundo plano, no gradiente */
.article-header { background: var(--blue-deep); padding: 80px 24px 64px; }
.article-header-inner { max-width: 720px; margin: 0 auto; }
.article-header .kicker { color: rgba(255,255,255,0.65); font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
.article-header h1 { color: var(--white); font-size: clamp(2rem, 4.5vw, 2.875rem); line-height: 1.14; font-weight: 700; letter-spacing: -0.015em; }
.article-header .meta { color: rgba(255,255,255,0.6); font-size: 0.875rem; margin-top: 20px; }

/* Cuerpo: columna angosta, alineado a la izquierda */
article { max-width: 68ch; margin: 0 auto; padding: 56px 24px 40px; }
article p { font-size: 1.1875rem; line-height: 1.65; margin: 0 0 1.4em; }
article .lead { font-size: 1.3125rem; line-height: 1.55; color: var(--muted); margin-bottom: 1.8em; }

/* Headings con aire asimétrico: mucho arriba, poco abajo */
article h2 { font-size: 1.75rem; line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; margin: 2.75em 0 0.5em; }
article h3 { font-size: 1.3125rem; line-height: 1.25; font-weight: 600; color: var(--blue-brand); margin: 2em 0 0.4em; }

article ul, article ol { margin: 0 0 1.4em 1.4em; }
article li { font-size: 1.1875rem; line-height: 1.6; margin-bottom: 0.5em; }
article li::marker { color: var(--blue-mid); }
article strong { font-weight: 600; color: var(--ink); }

/* Links: azul de marca, subrayado fino con respiro */
article a { color: var(--blue-mid); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
article a:hover { color: var(--blue-brand); }

/* Callout sobrio: azul claro de marca, borde izquierdo, sin sombra */
.callout { background: var(--blue-light); border-left: 3px solid var(--blue-mid); border-radius: 0 6px 6px 0; padding: 18px 22px; margin: 2em 0; }
.callout p { margin: 0; font-size: 1.0625rem; }

/* Blockquote editorial */
blockquote { border-left: 3px solid var(--blue-mid); padding-left: 1.25rem; margin: 2em 0; font-style: italic; color: var(--blue-brand); }
blockquote p { margin: 0; }

/* Tabla sobria */
table { width: 100%; border-collapse: collapse; margin: 2em 0; font-size: 1rem; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--blue-deep); font-family: "Sora", sans-serif; font-weight: 600; border-bottom: 2px solid var(--blue-light); }

hr { border: 0; border-top: 1px solid var(--border); margin: 2.5em 0; }

/* Cierre con CTA sobrio: azul plano, un solo botón */
.cta { background: var(--blue-deep); border-radius: 10px; padding: 36px 32px; margin: 3em 0 1.5em; }
.cta h2 { color: var(--white); font-size: 1.5rem; margin: 0 0 0.4em; }
.cta p { color: rgba(255,255,255,0.85); font-size: 1.0625rem; margin: 0 0 1.4em; }

.note { font-size: 0.9375rem; color: var(--muted); }
.note a { color: var(--blue-mid); }

/* Índice del blog: lista de artículos */
.post-list-wrap { max-width: 760px; margin: 0 auto; padding: 48px 24px 8px; }
.post-list { list-style: none; margin: 0; padding: 0; }
.post-card { border-top: 1px solid var(--border); }
.post-card:last-child { border-bottom: 1px solid var(--border); }
.post-card a { display: block; padding: 28px 12px; text-decoration: none; color: inherit; border-radius: 8px; }
.post-card a:hover { background: var(--blue-light); }
.post-card .post-kicker { display: inline-block; color: var(--blue-mid); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
.post-card h2 { font-size: 1.375rem; line-height: 1.25; font-weight: 700; margin: 0 0 0.35em; }
.post-card p { color: var(--muted); font-size: 1.0625rem; line-height: 1.5; margin: 0; }
@media (max-width: 768px) { .post-list-wrap { padding: 32px 20px 4px; } .post-card a { padding: 22px 10px; } .post-card h2 { font-size: 1.1875rem; } }

/* Footer */
footer { background: var(--blue-deep); color: rgba(255,255,255,0.7); padding: 48px 24px 32px; margin-top: 64px; }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo span { color: var(--white); font-weight: 700; font-size: 1.1rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; }
.footer-links a { color: rgba(255,255,255,0.8); font-size: 0.9375rem; text-decoration: none; }
.footer-bottom { padding-top: 24px; font-size: 0.8125rem; line-height: 1.8; }

@media (max-width: 768px) {
  .article-header { padding: 56px 20px 44px; }
  article { padding: 40px 20px 32px; }
  article p, article li { font-size: 1.0625rem; }
  article .lead { font-size: 1.1875rem; }
  .nav-links a:not(.btn) { display: none; }
}