/* ─────────────────────────────────────────────────────────────
   home.css — Estilos del homepage · blog.itsquery.com
   ───────────────────────────────────────────────────────────── */

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, #2d3748 100%);
  color: #ffffff;
  padding: 64px 24px 56px;
  text-align: center;
}

.hero-inner {
  max-width: 700px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 1.1rem;
  opacity: 0.85;
  max-width: 520px;
  margin: 0 auto 28px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.82rem;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Filtros de categoría ── */
.filters-section {
  max-width: 1100px;
  margin: 36px auto 0;
  padding: 0 24px;
}

.filters-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: 2px solid var(--gray-200);
  background: #ffffff;
  color: var(--text);
  text-decoration: none;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
}

/* ── Grid de artículos ── */
.articles-section {
  max-width: 1100px;
  margin: 36px auto 0;
  padding: 0 24px;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-200);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* ── Tarjeta de artículo ── */
.article-card {
  background: #ffffff;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  text-decoration: none;
}

.card-top {
  height: 6px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.card-body {
  padding: 22px 22px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.category-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.category-badge.gestion-financiera  { background: #E6F9FF; color: #0077CC; }
.category-badge.operaciones          { background: #E6FFF6; color: #007A55; }
.category-badge.comparativas         { background: #FFF3E6; color: #B05000; }
.category-badge.procesos             { background: #F3E6FF; color: #6B00CC; }
.category-badge.problemas            { background: #FFE6E6; color: #CC0000; }

.card-date {
  font-size: 0.78rem;
  color: var(--gray-500);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 10px;
}

.card-excerpt {
  font-size: 0.9rem;
  color: #4B5563;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
}

.card-link::after { content: "→"; transition: transform 0.15s; }
.article-card:hover .card-link::after { transform: translateX(4px); }

/* ── CTA Banner ── */
.cta-banner {
  max-width: 1100px;
  margin: 56px auto;
  padding: 0 24px;
}

.cta-banner-inner {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 16px;
  padding: 40px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  color: #ffffff;
}

.cta-banner-text h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #ffffff;
}

.cta-banner-text p {
  opacity: 0.9;
  font-size: 0.95rem;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 50px;
  white-space: nowrap;
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  text-decoration: none;
  color: #ffffff;
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--gray-500);
  font-size: 0.95rem;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.7rem; }
  .articles-grid { grid-template-columns: 1fr; }
  .cta-banner-inner { flex-direction: column; text-align: center; }
}