/* blog.css — RedAgraria */

/* ─── PAGE HEADER ─────────────────────────────────────── */
.page-header {
  padding: calc(68px + 4rem) 0 3rem;
  background: linear-gradient(160deg, var(--green-50) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--gray-200);
  text-align: center;
}
.page-header__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--green-900);
  margin: .5rem 0 .75rem;
}
.page-header__sub {
  font-size: 1.125rem;
  color: var(--gray-600);
}

/* ─── FILTROS ─────────────────────────────────────────── */
.blog-filters {
  padding: 1.5rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 68px;
  z-index: 10;
}
.filter-bar {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.filter-btn {
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 50px;
  padding: .4rem 1.1rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition);
}
.filter-btn:hover {
  background: var(--green-50);
  color: var(--green-700);
  border-color: var(--green-300);
}
.filter-btn--active {
  background: var(--green-600);
  color: var(--white);
  border-color: var(--green-600);
}

/* ─── BLOG GRID ───────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  padding: 1rem 0;
}

/* ─── BLOG CARD ───────────────────────────────────────── */
.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.blog-card--destacado {
  border-color: var(--green-400);
  box-shadow: var(--shadow-green);
}

.blog-card__thumb {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, var(--green-50), var(--green-100));
  position: relative;
}
.blog-card--destacado .blog-card__thumb {
  background: linear-gradient(135deg, var(--green-100), #bbf7d0);
}

.blog-card__destacado-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--green-600);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .2rem .7rem;
  border-radius: 50px;
}

.blog-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.blog-card__cat {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green-600);
  background: var(--green-50);
  padding: .15rem .6rem;
  border-radius: 50px;
  border: 1px solid var(--green-200, #bbf7d0);
}
.blog-card__fecha {
  font-size: .8125rem;
  color: var(--gray-400);
}

.blog-card__titulo {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--green-900);
  line-height: 1.3;
}

.blog-card__resumen {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.6;
  flex: 1;
}

.blog-card__leer {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--green-600);
  margin-top: .25rem;
  transition: gap var(--transition);
}
.blog-card:hover .blog-card__leer { gap: .6rem; }

/* ─── LOADING ─────────────────────────────────────────── */
.blog-loading {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 4rem 0;
  color: var(--gray-400);
  font-size: .9375rem;
}
.blog-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--green-100);
  border-top-color: var(--green-500);
  border-radius: 50%;
  animation: spin-loader .8s linear infinite;
}
@keyframes spin-loader {
  to { transform: rotate(360deg); }
}

.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 0;
  color: var(--gray-400);
}
.blog-empty p { font-size: 1.5rem; margin-bottom: .5rem; }

/* ─── ARTICLE OVERLAY ─────────────────────────────────── */
.article-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 43, 16, .55);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn .2s ease;
}
.article-overlay[hidden] { display: none; }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.article-modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 2.5rem 2.5rem 2rem;
  position: relative;
  animation: slideUp .25s cubic-bezier(.4,0,.2,1);
  scrollbar-width: thin;
  scrollbar-color: var(--green-300) transparent;
}
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.article-close {
  position: sticky;
  top: 0;
  float: right;
  margin: -1rem -1rem 0 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  z-index: 10;
}
.article-close:hover {
  background: var(--green-50);
  color: var(--green-700);
}

.article-content .art-emoji { font-size: 3rem; margin-bottom: 1rem; display: block; }
.article-content .art-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}
.article-content .art-cat {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green-600);
  background: var(--green-50);
  padding: .15rem .6rem;
  border-radius: 50px;
  border: 1px solid #bbf7d0;
}
.article-content .art-fecha {
  font-size: .8125rem;
  color: var(--gray-400);
}
.article-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--green-900);
  line-height: 1.25;
  margin-bottom: 1.5rem;
}
.article-content p {
  font-size: 1rem;
  color: var(--gray-800);
  line-height: 1.8;
  margin-bottom: 1.1rem;
}

.article-cta {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.article-cta p {
  font-size: .9375rem;
  color: var(--gray-600);
}

/* ─── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .article-modal { padding: 1.5rem 1.25rem; }
  .article-cta { flex-direction: column; align-items: flex-start; }
  .blog-filters { top: 60px; }
}