/* ============================================================
   Blog Sustento — estilos compartidos
   Marca idéntica a la landing (haceloconsustento.com)
   ============================================================ */
:root {
  --verde: #1e6f1d;
  --verde-claro: #2a8f29;
  --verde-oscuro: #0f3a0e;
  --crema: #f5eee0;
  --crema-oscuro: #ede3ce;
  --tierra: #7c4a1e;
  --tierra-claro: #c47b3a;
  --negro: #111111;
  --blanco: #ffffff;
  --gris: #666;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--crema);
  color: var(--negro);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--verde); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

/* NAV */
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px;
  background: var(--crema);
  border-bottom: 1px solid var(--crema-oscuro);
  position: sticky; top: 0; z-index: 100;
}
.nav-logo { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.25rem; color: var(--negro); }
.nav-logo:hover { text-decoration: none; color: var(--verde); }
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a { font-size: 0.92rem; font-weight: 500; color: var(--negro); opacity: 0.75; }
.nav-links a:hover { opacity: 1; color: var(--verde); text-decoration: none; }
.nav-cta {
  background: var(--verde); color: var(--blanco) !important; opacity: 1 !important;
  padding: 9px 20px; border-radius: 100px; font-weight: 600;
}
.nav-cta:hover { background: var(--verde-claro); }

/* CONTENEDOR */
.wrap { max-width: 720px; margin: 0 auto; padding: 0 24px; }

/* BREADCRUMB */
.breadcrumb { font-size: 0.82rem; color: var(--gris); margin: 40px 0 8px; }
.breadcrumb a { color: var(--gris); }
.breadcrumb a:hover { color: var(--verde); }

/* ARTÍCULO */
article { padding-bottom: 40px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--tierra-claro); margin-bottom: 16px;
}
article h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 700; line-height: 1.15; color: var(--negro);
  margin-bottom: 16px;
}
.post-meta { font-size: 0.9rem; color: var(--gris); margin-bottom: 36px; }
.post-lead {
  font-size: 1.18rem; line-height: 1.6; color: var(--negro);
  font-weight: 500; margin-bottom: 32px;
  padding-left: 18px; border-left: 3px solid var(--verde);
}
article h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.4rem, 2.6vw, 1.75rem);
  font-weight: 700; color: var(--negro);
  margin: 40px 0 14px;
}
article h3 { font-size: 1.15rem; font-weight: 600; color: var(--negro); margin: 28px 0 10px; }
article p { margin-bottom: 18px; font-weight: 400; color: #2a2a2a; }
article ul, article ol { margin: 0 0 22px 4px; padding-left: 22px; }
article li { margin-bottom: 10px; color: #2a2a2a; }
article strong { font-weight: 600; color: var(--negro); }
blockquote {
  margin: 24px 0; padding: 20px 24px;
  background: var(--blanco); border-left: 3px solid var(--verde);
  border-radius: 8px; font-style: italic; color: #333;
}
blockquote .cite { display: block; margin-top: 10px; font-style: normal; font-weight: 600; font-size: 0.9rem; color: var(--verde-oscuro); }

/* CTA BOX */
.cta-box {
  margin: 40px 0; padding: 32px;
  background: var(--verde-oscuro); color: var(--crema);
  border-radius: 16px; text-align: center;
}
.cta-box h3 { font-family: 'Playfair Display', serif; color: var(--blanco); font-size: 1.4rem; margin-bottom: 10px; }
.cta-box p { color: rgba(255,255,255,0.85); margin-bottom: 20px; }
.cta-btn {
  display: inline-block; background: var(--crema); color: var(--verde-oscuro) !important;
  padding: 13px 30px; border-radius: 100px; font-weight: 600;
}
.cta-btn:hover { background: var(--blanco); text-decoration: none; }

/* RELACIONADOS */
.related { border-top: 1px solid var(--crema-oscuro); margin-top: 48px; padding-top: 32px; }
.related h4 { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gris); margin-bottom: 16px; }
.related ul { list-style: none; padding: 0; }
.related li { margin-bottom: 12px; }
.related a { font-weight: 600; font-size: 1.02rem; }

/* ÍNDICE DEL BLOG */
.blog-hero { text-align: center; padding: 64px 24px 24px; max-width: 640px; margin: 0 auto; }
.blog-hero h1 { font-family: 'Playfair Display', serif; font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 700; margin-bottom: 14px; }
.blog-hero h1 em { font-style: italic; color: var(--verde); }
.blog-hero p { color: var(--gris); font-size: 1.05rem; }
.post-list { max-width: 720px; margin: 24px auto 64px; padding: 0 24px; display: grid; gap: 20px; }
.post-card {
  display: block; background: var(--blanco); border-radius: 16px;
  padding: 28px 30px; border: 1px solid var(--crema-oscuro);
  transition: transform 0.15s, box-shadow 0.15s;
}
.post-card:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(0,0,0,0.08); text-decoration: none; }
.post-card .eyebrow { margin-bottom: 10px; }
.post-card h2 { font-family: 'Playfair Display', serif; font-size: 1.4rem; color: var(--negro); margin-bottom: 8px; line-height: 1.25; }
.post-card p { color: var(--gris); font-size: 0.96rem; margin: 0; }
.post-card .arrow { color: var(--verde); font-weight: 600; font-size: 0.92rem; margin-top: 14px; display: inline-block; }

/* FOOTER */
footer.blog-footer {
  background: var(--negro); color: var(--crema);
  padding: 48px 24px 20px; margin-top: 40px; text-align: center;
}
footer.blog-footer h3 { font-family: 'Playfair Display', serif; font-weight: 700; margin-bottom: 6px; }
footer.blog-footer p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 18px; }
footer.blog-footer .foot-links a { color: var(--crema); margin: 0 12px; font-size: 0.9rem; opacity: 0.85; }
footer.blog-footer .foot-links a:hover { opacity: 1; }
footer.blog-footer .foot-bottom { margin-top: 24px; font-size: 0.8rem; color: rgba(255,255,255,0.5); }

/* RESPONSIVE */
@media (max-width: 640px) {
  nav { padding: 16px 20px; }
  .nav-links { gap: 16px; }
  .nav-links li:not(.nav-cta-li) { display: none; }
  .breadcrumb { margin-top: 28px; }
}