/* ═══════════════════════════════════════════════════════
   NOVA FUMIGACIONES — blog.css
   Estilos específicos del blog.
   Depende de styles.css (variables, nav, footer, botones,
   .reveal, .container, etc.). Cargar SIEMPRE después de styles.css.
   ═══════════════════════════════════════════════════════ */

/* ─── Offset por nav fijo ───
   El nav es position:fixed; el contenido del blog necesita aire arriba. */
.blog-main {
  position: relative;
  z-index: 2;
  padding-top: 88px; /* solo despeja el nav fijo (~76px); el aire visual lo da cada sección */
}

/* ─── Nav: estado "página actual" (item Blog activo) ─── */
.nav-links a[aria-current="page"] { color: var(--white); }
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-mobile a[aria-current="page"] { color: var(--red); }


/* ═══════════════════════════════════════════════════════
   ENCABEZADO DEL BLOG (índice)
   ═══════════════════════════════════════════════════════ */
.blog-hero {
  padding: clamp(20px, 3vw, 34px) 0 clamp(28px, 4vw, 40px);
  border-bottom: 1px solid var(--border);
}
.blog-hero .sec-title { margin-bottom: 14px; }
.blog-hero .sec-sub { max-width: 620px; }


/* ═══════════════════════════════════════════════════════
   ARTÍCULO DESTACADO (semi abierto)
   ═══════════════════════════════════════════════════════ */
.blog-featured {
  margin: clamp(24px, 3.5vw, 44px) 0 clamp(48px, 7vw, 80px);
}
.featured-card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.featured-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 80px; height: 2px;
  background: var(--red);
  z-index: 3;
}
.featured-media {
  position: relative;
  align-self: stretch;
  min-height: 280px;
  overflow: hidden;
}
.featured-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) contrast(1.05) brightness(0.92);
  transition: transform .6s var(--easing), filter .4s var(--easing);
}
.featured-card:hover .featured-media img {
  transform: scale(1.04);
  filter: grayscale(0.1) contrast(1.05) brightness(1);
}
.featured-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 55%, rgba(212,43,43,0.14));
  pointer-events: none;
}
.featured-tag {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #fff;
  background: var(--red);
  padding: 5px 12px;
  border-radius: 2px;
}
.featured-body {
  padding: clamp(28px, 4vw, 48px) clamp(24px, 4vw, 48px) clamp(28px, 4vw, 48px) 0;
}
.featured-body .post-date { margin-bottom: 14px; }
.featured-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 0.98;
  letter-spacing: 1.5px;
  color: var(--white);
  margin-bottom: 16px;
}
.featured-title a { color: inherit; text-decoration: none; transition: color .2s; }
.featured-title a:hover { color: var(--red); }
.featured-excerpt {
  font-size: 15.5px;
  color: var(--text-mute);
  line-height: 1.75;
  margin-bottom: 26px;
  max-width: 52ch;
}


/* ═══════════════════════════════════════════════════════
   FECHA / META de post (compartido índice + cards)
   ═══════════════════════════════════════════════════════ */
.post-date {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.post-date::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--red);
  border-radius: 50%;
  flex-shrink: 0;
}


/* ═══════════════════════════════════════════════════════
   GRILLA DEL RESTO DE ARTÍCULOS
   ═══════════════════════════════════════════════════════ */
.blog-grid-head {
  margin-bottom: 28px;
}
.blog-grid-head h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 38px);
  letter-spacing: 1.5px;
  color: var(--white);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 28px);
  margin-bottom: clamp(56px, 8vw, 96px);
}
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-soft);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  overflow: hidden;
  transition: transform .3s var(--easing), border-color .3s var(--easing);
}
.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--red);
}
.blog-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.blog-card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) contrast(1.05) brightness(0.9);
  transition: transform .5s var(--easing), filter .4s var(--easing);
}
.blog-card:hover .blog-card-media img {
  transform: scale(1.05);
  filter: grayscale(0.1) brightness(1);
}
.blog-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px 22px 24px;
}
.blog-card-body .post-date { margin-bottom: 12px; }
.blog-card-title {
  font-family: var(--font-display);
  font-size: 23px;
  line-height: 1.04;
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 10px;
}
.blog-card-title a { color: inherit; text-decoration: none; transition: color .2s; }
.blog-card-title a:hover { color: var(--red); }
.blog-card-excerpt {
  font-size: 14px;
  color: #999;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 18px;
}
.blog-card-link {
  align-self: flex-start;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: gap .2s var(--easing);
}
.blog-card-link:hover { gap: 12px; }

/* Estado vacío (cuando todavía no hay más artículos que el destacado) */
.blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  border: 1px dashed var(--border-2);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 14.5px;
}


/* ═══════════════════════════════════════════════════════
   BREADCRUMB (artículo)
   ═══════════════════════════════════════════════════════ */
.breadcrumb {
  padding: 4px 0 28px;
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color .2s;
}
.breadcrumb a:hover { color: var(--red); }
.breadcrumb li[aria-current="page"] {
  color: var(--text-mute);
  max-width: 46ch;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.breadcrumb .sep {
  color: var(--text-faint);
  font-size: 10px;
}


/* ═══════════════════════════════════════════════════════
   ARTÍCULO — layout + encabezado
   ═══════════════════════════════════════════════════════ */
.article {
  max-width: 760px;
  margin: 0 auto;
}
.article-header { margin-bottom: 30px; }
.article-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.2vw, 60px);
  line-height: 0.98;
  letter-spacing: 1.5px;
  color: var(--white);
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border);
}
.article-meta .am-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.article-meta svg {
  width: 15px; height: 15px;
  color: var(--red);
  flex-shrink: 0;
}
.article-meta .am-author strong {
  color: var(--text-mute);
  font-weight: 700;
}

/* Imagen destacada */
.article-figure {
  margin: 30px 0 8px;
  border: 1px solid var(--border);
  position: relative;
}
.article-figure img {
  width: 100%;
  height: clamp(240px, 42vw, 440px);
  object-fit: cover;
  filter: grayscale(0.25) contrast(1.05);
  display: block;
}
.article-figure figcaption {
  font-size: 12px;
  color: var(--text-faint);
  padding: 10px 14px;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  font-style: italic;
}


/* ═══════════════════════════════════════════════════════
   CUERPO DEL ARTÍCULO — tipografía cómoda de leer
   ═══════════════════════════════════════════════════════ */
.article-body {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
  margin-top: 36px;
}
.article-body > * + * { margin-top: 1.3em; }

.article-body h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.05;
  letter-spacing: 1px;
  color: var(--white);
  margin-top: 1.8em;
  padding-top: 0.4em;
}
.article-body h3 {
  font-family: var(--font-ui);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--white);
  margin-top: 1.5em;
}
.article-body h2 + p,
.article-body h3 + p { margin-top: 0.7em; }

.article-body p { color: var(--text); }
.article-body a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(212,43,43,0.4);
  transition: border-color .2s, color .2s;
}
.article-body a:hover {
  color: var(--red-bright);
  border-bottom-color: var(--red);
}
.article-body strong { color: var(--white); font-weight: 600; }

.article-body ul,
.article-body ol {
  padding-left: 4px;
}
.article-body li {
  position: relative;
  padding-left: 26px;
  margin-top: 0.6em;
  color: var(--text);
}
.article-body ul li::before {
  content: '';
  position: absolute;
  left: 2px; top: 0.62em;
  width: 7px; height: 7px;
  background: var(--red);
  border-radius: 50%;
}
.article-body ol { counter-reset: li-counter; }
.article-body ol li { counter-increment: li-counter; }
.article-body ol li::before {
  content: counter(li-counter);
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--red);
  line-height: 1.7;
}

/* Cita / destacado opcional dentro del cuerpo */
.article-body blockquote {
  border-left: 3px solid var(--red);
  padding: 4px 0 4px 20px;
  margin-left: 0;
  font-family: var(--font-ui);
  font-size: 19px;
  font-style: italic;
  color: #ddd;
}


/* ═══════════════════════════════════════════════════════
   CTA FINAL DEL ARTÍCULO
   ═══════════════════════════════════════════════════════ */
.article-cta {
  margin: clamp(44px, 6vw, 64px) 0 0;
  background: linear-gradient(135deg, rgba(212,43,43,0.12), var(--bg-soft) 75%);
  border: 1px solid var(--border-2);
  border-radius: 4px;
  padding: clamp(28px, 4vw, 44px);
  position: relative;
  overflow: hidden;
}
.article-cta::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--red-glow) 0%, transparent 65%);
  opacity: 0.5;
  pointer-events: none;
}
.article-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 34px);
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 10px;
  position: relative;
}
.article-cta p {
  font-size: 15px;
  color: var(--text-mute);
  line-height: 1.7;
  max-width: 56ch;
  margin-bottom: 22px;
  position: relative;
}
.article-cta .hero-ctas { position: relative; }

/* Volver al blog */
.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: clamp(36px, 5vw, 52px) 0 0;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-mute);
  text-decoration: none;
  transition: color .2s, gap .2s var(--easing);
}
.back-to-blog:hover { color: var(--red); gap: 14px; }


/* ═══════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-card { grid-template-columns: 1fr; }
  .featured-media { min-height: 0; aspect-ratio: 16 / 9; }
  .featured-body {
    padding: clamp(24px, 5vw, 36px);
    padding-top: 4px;
  }
}

@media (max-width: 560px) {
  .blog-grid { grid-template-columns: 1fr; }
  .article-body { font-size: 16px; }
  .article-cta .hero-ctas .btn { flex: 1; justify-content: center; }
}