/* ============================================================
   blog.css — Estilos exclusivos de la página Blog
   ============================================================ */

/* ---- Hero del blog ---- */
.blog-hero {
  background: var(--color-black-soft);
  padding: 56px 24px 48px;
  text-align: center;
  border-bottom: 0.5px solid var(--color-border);
}

.blog-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 400;
  color: var(--color-text-primary);
  margin: 10px 0 14px;
}

.blog-hero__desc {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.75;
}

/* ---- Filtros ---- */
.blog-filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 0.5px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 13px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
}

.filter-btn:hover {
  border-color: var(--color-gold-dim);
  color: var(--color-gold-light);
}

.filter-btn.active {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: #000;
  font-weight: 600;
}

/* ---- Sección principal ---- */
.blog-main {
  background: var(--color-black);
  padding: var(--section-padding);
}

/* ---- Grid de artículos ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 24px;
}

/* ---- Tarjeta de artículo ---- */
.blog-post-card {
  background: var(--color-black-soft);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
}

.blog-post-card:hover {
  border-color: var(--color-gold-dim);
  transform: translateY(-4px);
}

.blog-post-card.hidden-card { 
  display: none; 
}

/* ---- Thumbnail con imagen de portada ---- */
.blog-post-card__thumb {
  position: relative;
  width: 100%;
  min-height: 160px;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px 20px 16px;
  transition: filter 0.3s ease;

  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-color: #111;
}

.blog-post-card__thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.82) 0%,
    rgba(0, 0, 0, 0.45) 50%,
    rgba(0, 0, 0, 0.18) 100%
  );
  z-index: 0;
}

.blog-post-card:hover .blog-post-card__thumb {
  filter: brightness(1.08);
}

/* Imagen por categoría */
.blog-thumb--extraccion {
  background-image: url('./img/extraccion.webp');
  background-position: center center;
}

.blog-thumb--brackets {
  background-image: url('./img/brackets.webp');
  background-position: center center;
}

.blog-thumb--guardas {
  background-image: url('./img/guardas.webp');
  background-position: center center;
}

.blog-thumb--cepillado {
  background-image: url('./img/cepillado.webp');
  background-position: center center;
}

.blog-thumb--endodoncia {
  background-image: url('./img/endodoncia.webp');
  background-position: center center;
}

.blog-thumb--aniversario {
  background-image: url('./img/aniversario.webp');
  background-position: center center;
}

/* Texto encima de la imagen */
.blog-thumb__read-time,
.blog-thumb__category,
.blog-thumb__title {
  position: relative;
  z-index: 1;
}

/* Categoría dentro del thumb */
.blog-thumb__category {
  font-size: 10px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-gold-light);
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}

/* Título dentro del thumb */
.blog-thumb__title {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
  margin: 0;
}

/* Tiempo de lectura — esquina superior derecha */
.blog-thumb__read-time {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 11px;
  color: rgba(255,255,255,0.65);
}

.blog-thumb__read-time i { 
  margin-right: 3px; 
}

/* Barra dorada inferior al hover */
.blog-post-card__thumb::after {
  content: '';
  position: absolute;
  bottom: 0; 
  left: 0; 
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light), var(--color-gold));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
}

.blog-post-card:hover .blog-post-card__thumb::after {
  opacity: 1;
}

/* ---- Cuerpo: solo excerpt + footer ---- */
.blog-post-card__body {
  padding: 16px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Tag en el body ya no se necesita */
.blog-post-card__tag { 
  display: none; 
}

/* El título en el body tampoco */
.blog-post-card__title { 
  display: none; 
}

.blog-post-card__excerpt {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.blog-post-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 0.5px solid var(--color-border);
  margin-top: auto;
}

.blog-post-card__date {
  font-size: 12px;
  color: var(--color-text-faint);
}

.blog-post-card__date i { 
  margin-right: 4px; 
}

/* Botón "Leer más" */
.blog-read-btn {
  background: transparent;
  border: none;
  color: var(--color-gold);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: color 0.2s ease, gap 0.2s ease;
}

.blog-read-btn:hover {
  color: var(--color-gold-light);
  gap: 8px;
}

/* ---- Sin resultados ---- */
.blog-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 15px;
  padding: 48px 0;
}

.blog-empty i { 
  margin-right: 8px; 
}

.blog-empty.hidden { 
  display: none; 
}

/* ============================================================
   MODAL DE ARTÍCULO COMPLETO
   ============================================================ */
.article-modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 16px 40px;
  overflow-y: auto;
}

.article-modal.hidden { 
  display: none; 
}

.article-modal__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  z-index: 0;
  cursor: pointer;
}

.article-modal__box {
  position: relative;
  z-index: 1;
  background: var(--color-black-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  overflow: hidden;
  margin-top: 20px;
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}

.article-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  border: 0.5px solid var(--color-border);
  color: #fff;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.article-modal__close:hover {
  background: var(--color-gold);
  color: #000;
  border-color: var(--color-gold);
}

/* Thumbnail del modal */
.article-modal__thumb {
  width: 100%;
  height: 220px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: flex-end;
  background: #111;
}

.article-modal__thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-modal__thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
  z-index: 1;
}

/* Cuerpo del modal */
.article-modal__body {
  padding: 28px 32px 32px;
}

.article-modal__tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.article-modal__title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 400;
  color: var(--color-text-primary);
  line-height: 1.25;
  margin-bottom: 8px;
}

.article-modal__date {
  font-size: 12px;
  color: var(--color-text-faint);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 0.5px solid var(--color-border);
}

.article-modal__date i { 
  margin-right: 4px; 
}

/* Contenido del artículo */
.article-modal__content {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.article-modal__content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-gold-light);
  margin: 24px 0 10px;
}

.article-modal__content h3:first-child { 
  margin-top: 0; 
}

.article-modal__content p {
  margin-bottom: 12px;
}

.article-modal__content ul,
.article-modal__content ol {
  padding-left: 20px;
  margin-bottom: 12px;
}

.article-modal__content li {
  margin-bottom: 6px;
}

.article-modal__content strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.article-modal__content em {
  color: var(--color-text-primary);
  font-style: italic;
}

/* Imagen dentro del artículo */
.article-img {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 20px 0;
  display: block;
  object-fit: cover;
  max-height: 260px;
}

.article-img-caption {
  font-size: 11px;
  color: var(--color-text-faint);
  text-align: center;
  margin-top: -12px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

/* Tarjeta informativa / infografía dentro del artículo */
.info-card {
  background: #111;
  border: 0.5px solid var(--color-border);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 20px 0;
}

.info-card__title {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 10px;
  display: block;
}

.info-card p,
.info-card li {
  font-size: 14px !important;
  color: var(--color-text-secondary) !important;
  margin-bottom: 6px !important;
}

/* Grid de dos columnas para infografías rápidas */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}

.info-grid__item {
  background: #111;
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.info-grid__icon {
  font-size: 22px;
  display: block;
  margin-bottom: 6px;
}

.info-grid__label {
  font-size: 11px;
  color: var(--color-gold);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.info-grid__value {
  font-size: 14px;
  color: var(--color-text-primary);
  font-weight: 600;
}

/* Alerta / tip destacado */
.article-tip {
  background: rgba(201,168,76,0.08);
  border: 0.5px solid rgba(201,168,76,0.3);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 18px 0;
  font-size: 14px;
  color: var(--color-gold-light);
  line-height: 1.6;
}

.article-tip i { 
  margin-right: 6px; 
}

/* CTA al final del artículo */
.article-modal__cta {
  padding-top: 20px;
  border-top: 0.5px solid var(--color-border);
  text-align: center;
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
  .blog-grid { 
    grid-template-columns: 1fr; 
  }

  .article-modal { 
    padding: 12px 8px 32px; 
  }

  .article-modal__box { 
    margin-top: 8px; 
  }

  .article-modal__body { 
    padding: 20px 18px 24px; 
  }

  .article-modal__thumb { 
    height: 150px; 
  }
}