/* ============================================================
   BLOG.CSS — Datanavis
   ============================================================ */

/* HERO blog (centrado) */
#hero {
  min-height: 45vh;
  text-align: center;
  justify-content: center;
}
.breadcrumb { justify-content: center; }

/* SEARCH */
.search-bar {
  display: flex; gap: .8rem; max-width: 480px;
  margin: 0 auto; flex-wrap: wrap; justify-content: center;
}
.search-input {
  flex: 1; min-width: 220px;
  background: var(--card); border: 1px solid var(--border2);
  border-radius: 50px; padding: .8rem 1.4rem;
  color: var(--text); font-size: .9rem; outline: none;
  transition: border-color .3s;
}
.search-input:focus { border-color: var(--border); }
.search-input::placeholder { color: var(--muted); }
.btn-search {
  padding: .8rem 1.8rem; background: var(--accent);
  border: none; border-radius: 50px;
  color: var(--bg); font-weight: 700;
  cursor: pointer; font-size: .9rem; transition: background .3s;
}
.btn-search:hover { background: var(--accent-dark); }

/* BLOG CONTENT */
#blog-content { position: relative; z-index: 1; padding: 3rem 5% 6rem; }

/* FILTROS */
.filters { display: flex; gap: .7rem; flex-wrap: wrap; margin-bottom: 2.5rem; align-items: center; }
.filter-btn {
  padding: .45rem 1.1rem; border-radius: 50px;
  border: 1px solid var(--border2); background: transparent;
  color: var(--muted); font-size: .8rem; cursor: pointer;
  transition: all .3s; font-family: inherit;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent); color: var(--bg);
  border-color: var(--accent); font-weight: 600;
}
.filters-label { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-right: .3rem; }

/* FEATURED */
.featured-post {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 24px; padding: 2.5rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem;
  align-items: center; margin-bottom: 2.5rem;
  transition: border-color .3s, transform .3s;
  text-decoration: none; color: inherit;
}
.featured-post:hover { border-color: var(--accent); transform: translateY(-4px); }
.fp-img {
  height: 220px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg,#001d47,#003080);
  position: relative;
}
.fp-badge {
  position: absolute; top: 1rem; left: 1rem;
  background: var(--accent); color: var(--bg);
  font-size: .7rem; font-weight: 700; padding: .25rem .8rem; border-radius: 50px;
}
.fp-tag { font-size: .72rem; color: var(--accent); text-transform: uppercase; letter-spacing: .1em; margin-bottom: .6rem; font-weight: 600; }
.fp-title { font-size: 1.3rem; font-weight: 800; color: var(--white); margin-bottom: .8rem; line-height: 1.3; letter-spacing: -.3px; }
.fp-excerpt { font-size: .88rem; color: var(--muted); line-height: 1.75; margin-bottom: 1.2rem; }
.fp-meta { display: flex; gap: 1.2rem; font-size: .75rem; color: var(--muted); flex-wrap: wrap; }
.fp-meta span { display: flex; align-items: center; gap: .3rem; }

/* BLOG GRID */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; margin-bottom: 2.5rem; }
.blog-card {
  background: var(--card); border: 1px solid var(--border2);
  border-radius: 20px; overflow: hidden;
  transition: transform .3s, border-color .3s;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column;
}
.blog-card:hover { transform: translateY(-6px); border-color: var(--border); }
.bc-img {
  height: 150px; display: flex; align-items: center;
  justify-content: center; font-size: 2.5rem;
  position: relative; flex-shrink: 0;
}
.bc-img.c-seo  { background: linear-gradient(135deg,#001d47,#003080); }
.bc-img.c-sem  { background: linear-gradient(135deg,#0a2200,#1a4400); }
.bc-img.c-camp { background: linear-gradient(135deg,#1a0020,#3a0050); }
.bc-img.c-data { background: linear-gradient(135deg,#1a1200,#3a2a00); }
.bc-cat {
  position: absolute; top: .8rem; left: .8rem;
  font-size: .67rem; font-weight: 700; padding: .22rem .65rem;
  border-radius: 50px; text-transform: uppercase; letter-spacing: .05em;
}
.cat-seo  { background: rgba(0,100,255,.2);  color: #6ab0ff;  border: 1px solid rgba(0,100,255,.3);  }
.cat-sem  { background: rgba(164,190,60,.15); color: var(--accent); border: 1px solid rgba(164,190,60,.25); }
.cat-camp { background: rgba(180,0,255,.15);  color: #c97aff;  border: 1px solid rgba(180,0,255,.25); }
.cat-data { background: rgba(255,180,0,.12);  color: #ffb52f;  border: 1px solid rgba(255,180,0,.2);  }
.bc-body   { padding: 1.4rem; flex: 1; display: flex; flex-direction: column; }
.bc-meta   { font-size: .72rem; color: var(--muted); margin-bottom: .5rem; display: flex; gap: .8rem; }
.bc-title  { font-size: .97rem; font-weight: 700; color: var(--white); margin-bottom: .5rem; line-height: 1.4; flex: 1; }
.bc-excerpt { font-size: .82rem; color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }
.bc-link {
  font-size: .8rem; color: var(--accent); font-weight: 600;
  display: flex; align-items: center; gap: .3rem; transition: gap .3s;
}
.blog-card:hover .bc-link { gap: .6rem; }

/* NEWSLETTER */
.newsletter {
  background: rgba(164,190,60,.06); border: 1px solid var(--border);
  border-radius: 20px; padding: 2.5rem; text-align: center; margin-top: 1rem;
}
.newsletter h3 { font-size: 1.3rem; font-weight: 800; color: var(--white); margin-bottom: .6rem; }
.newsletter p  { color: var(--muted); font-size: .9rem; margin-bottom: 1.5rem; line-height: 1.7; }
.nl-form { display: flex; gap: .8rem; max-width: 440px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.nl-input {
  flex: 1; min-width: 200px;
  background: var(--card); border: 1px solid var(--border2);
  border-radius: 50px; padding: .75rem 1.4rem;
  color: var(--text); font-size: .88rem; outline: none; transition: border-color .3s;
}
.nl-input:focus { border-color: var(--border); }
.nl-input::placeholder { color: var(--muted); }
.btn-nl {
  padding: .75rem 1.8rem; background: var(--accent);
  border: none; border-radius: 50px;
  color: var(--bg); font-weight: 700; cursor: pointer;
  font-size: .88rem; transition: background .3s; font-family: inherit;
}
.btn-nl:hover { background: var(--accent-dark); }

.hidden { display: none !important; }

@media (max-width: 900px) { .featured-post { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
  #blog-content { padding: 2rem 5% 4rem; }
  .blog-grid { grid-template-columns: 1fr; }
}