/* ============================================================
   PLANTECH — Bitácora (blog y noticias)
   Sólo lo que style.css todavía no tiene. Reutiliza sus variables
   (--cream, --ink, --border, --shadow-*, --font-*) y sus clases
   (.wrap, .btn, .tag, .chip, .proj-nav, .proj__*).
   NO edita style.css: este archivo se carga sólo en /blog.
   ============================================================ */

/* ---------- Estructura ---------- */

.blog { background: var(--cream); }

.blog__wrap { width: min(1100px, 92vw); margin: 0 auto; }

/* ---------- Cabecera ---------- */

.blog__hero {
  background: var(--teal-deep);
  border-bottom: var(--border);
  padding: clamp(3.4rem, 9vh, 5.6rem) 0 clamp(2.4rem, 6vh, 3.4rem);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.blog__hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: .98;
  letter-spacing: -.02em;
  margin: .6rem 0 .8rem;
}

.blog__hero p {
  max-width: 46ch;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  opacity: .9;
}

.blog__back {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--lime);
  text-decoration: none;
  opacity: .85;
  transition: transform .18s var(--spring), opacity .18s ease;
}
.blog__back:hover { opacity: 1; transform: translateX(-3px); }

/* Brote asomándose en la esquina del hero */
.blog__hero-planta {
  position: absolute;
  right: clamp(-30px, -2vw, 0px);
  bottom: -14px;
  width: clamp(110px, 16vw, 190px);
  pointer-events: none;
  opacity: .95;
}

/* ---------- Filtros (Todo · Artículos · Noticias) ---------- */

.blog__filtros {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.8rem;
}

.blog__filtro {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  background: var(--cream);
  border: var(--border);
  border-radius: 999px;
  padding: .48em 1.1em;
  box-shadow: var(--shadow-sm);
  transition: transform .18s var(--spring), box-shadow .18s var(--spring);
}
.blog__filtro:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.blog__filtro:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--ink); }
.blog__filtro--lime { background: var(--lime); }

/* ---------- Secciones del listado ---------- */

.blog__seccion {
  padding: clamp(2.6rem, 7vh, 4rem) 0 0;
  /* aire para que al saltar desde los filtros el título no quede pegado arriba */
  scroll-margin-top: 1.5rem;
}
.blog__seccion:last-of-type { padding-bottom: clamp(3rem, 8vh, 5rem); }

.blog__seccion-head {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: 1.6rem;
}

.blog__seccion-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  letter-spacing: -.01em;
}

.blog__seccion-head .blog__cuenta {
  font-family: var(--font-mono);
  font-size: .8rem;
  opacity: .7;
}

/* ---------- Grilla de tarjetas ---------- */

.blog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr));
  gap: clamp(1.2rem, 2.5vw, 1.8rem);
}

.blog__card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  background: var(--cream-soft);
  border: var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform .2s var(--spring), box-shadow .2s var(--spring);
}
.blog__card:hover { transform: translate(-3px, -3px) rotate(-.4deg); box-shadow: var(--shadow-lg); }
.blog__card:active { transform: translate(2px, 2px); box-shadow: var(--shadow-sm); }

.blog__portada {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  font-size: clamp(2.6rem, 7vw, 3.6rem);
  line-height: 1;
  border-bottom: var(--border);
}

.blog__portada img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog__card-body {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.1rem 1.25rem 1.35rem;
  flex: 1;
}

.blog__card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.22rem;
  line-height: 1.12;
  letter-spacing: -.01em;
}

.blog__fecha {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .03em;
  opacity: .72;
}

.blog__resumen {
  font-size: .95rem;
  line-height: 1.5;
  opacity: .88;
  flex: 1;
}

.blog__leer {
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 600;
  color: var(--teal);
}

.blog__card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  flex-wrap: wrap;
}

/* ---------- Estado vacío ---------- */

.blog__vacio {
  text-align: center;
  background: var(--cream-soft);
  border: var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(2.4rem, 6vh, 3.6rem) 1.6rem;
  margin: clamp(2.6rem, 7vh, 4rem) auto clamp(3rem, 8vh, 5rem);
  max-width: 620px;
}

.blog__vacio img { width: clamp(120px, 22vw, 170px); height: auto; margin-bottom: 1rem; }

.blog__vacio h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  margin-bottom: .5rem;
}

.blog__vacio p { opacity: .85; max-width: 40ch; margin: 0 auto 1.4rem; }

/* ---------- Página de un post ---------- */

.post__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1rem;
  margin-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  opacity: .8;
}

.post__imagen {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  display: block;
  border: var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  margin-top: 1.8rem;
}

.post__tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.2rem; }

/* Cuerpo Markdown: hereda de .proj__body y agrega lo que el Markdown produce
   y que style.css todavía no estilaba. */
.post__body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28rem;
  margin: 1.8rem 0 .6rem;
}

.post__body ul,
.post__body ol { margin: .4rem 0 1.3rem 1.3rem; display: grid; gap: .5rem; }
.post__body li { font-size: 1.05rem; line-height: 1.6; }

.post__body a { color: var(--teal); font-weight: 600; text-underline-offset: 3px; }
.post__body a:hover { color: var(--green-deep); }

.post__body strong { font-weight: 700; }

.post__body blockquote {
  border-left: 5px solid var(--lime-leaf);
  background: var(--cream-soft);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: .9rem 1.2rem;
  margin: 1.4rem 0;
  font-style: italic;
}
.post__body blockquote p:last-child { margin-bottom: 0; }

.post__body code {
  font-family: var(--font-mono);
  font-size: .9em;
  background: #EFE7D2;
  border: 2px solid rgba(20, 34, 25, .18);
  border-radius: 6px;
  padding: .08em .38em;
}

.post__body pre {
  background: var(--ink);
  color: var(--cream);
  border: var(--border);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.1rem;
  margin: 1.3rem 0;
  overflow-x: auto;
}
.post__body pre code { background: none; border: 0; padding: 0; color: inherit; }

.post__body img {
  max-width: 100%;
  height: auto;
  display: block;
  border: var(--border);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-sm);
  margin: 1.4rem 0;
}

.post__body hr {
  border: 0;
  border-top: 3px dashed rgba(20, 34, 25, .25);
  margin: 2rem 0;
}

.post__body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4rem 0;
  font-size: .96rem;
}
.post__body th,
.post__body td { border: 2px solid var(--ink); padding: .55rem .7rem; text-align: left; }
.post__body th { background: var(--lime); font-family: var(--font-mono); font-size: .84rem; }

/* ---------- Móvil ---------- */

@media (max-width: 640px) {
  .blog__hero-planta { display: none; }
}