/* =============================================================
   BLOG MANTIS — tarjetas, listado y artículo
   Depende de las variables y componentes de main.css
   ============================================================= */

/* ---------- Colores por línea de servicio ---------- */
[data-cat]{--accent:var(--gold);--accent-ink:#7A5B06}
[data-cat="hogar"]{--accent:#6FCB8F;--accent-ink:#1F6B3A}
[data-cat="empresas"]{--accent:#E3B429;--accent-ink:#7A5B06}
[data-cat="agua"]{--accent:#5BB0E0;--accent-ink:#17608C}
[data-cat="sst"]{--accent:#F0A35A;--accent-ink:#9A4B10}
[data-cat="shut"]{--accent:#B3A6E8;--accent-ink:#5442A6}

/* ---------- Portada ilustrada (sin fotos) ---------- */
.post-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;isolation:isolate;
  display:grid;place-items:center;color:var(--accent);
  background:
    radial-gradient(70% 90% at 78% 22%,color-mix(in srgb,var(--accent) 30%,transparent),transparent 62%),
    linear-gradient(145deg,#10261E 0%,#06120E 70%);
}
.post-cover::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(ellipse 80% 80% at 70% 40%,#000,transparent 75%);
  mask-image:radial-gradient(ellipse 80% 80% at 70% 40%,#000,transparent 75%);
}
.post-cover::after{
  content:"";position:absolute;width:44%;aspect-ratio:1;border-radius:50%;
  border:1px dashed color-mix(in srgb,var(--accent) 45%,transparent);
}
.post-cover svg{width:30%;height:auto;filter:drop-shadow(0 0 22px color-mix(in srgb,var(--accent) 45%,transparent));transition:transform .5s var(--ease-out)}
.post-cover > i{font-size:clamp(40px,5vw,58px);filter:drop-shadow(0 0 22px color-mix(in srgb,var(--accent) 45%,transparent));transition:transform .5s var(--ease-out)}
.pc-line{
  position:absolute;left:14px;top:14px;z-index:1;
  font-family:var(--font-display);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:#fff;padding:6px 10px;border-radius:999px;background:rgba(5,15,11,.6);
  border:1px solid color-mix(in srgb,var(--accent) 50%,transparent);
}
.pc-line b{color:var(--accent)}

/* ---------- Tarjeta de artículo ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{
  position:relative;display:flex;flex-direction:column;min-width:0;
  background:var(--white);border:1px solid var(--line-dark);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out),border-color .35s;
}
.post-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 65%,transparent);box-shadow:0 24px 46px -28px rgba(6,18,14,.5)}
.post-card:hover .post-cover svg,.post-card:hover .post-cover > i{transform:scale(1.08) rotate(-4deg)}
.post-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px 22px 22px}
.post-meta{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12.5px;color:var(--muted-dark)}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-meta i{color:var(--accent-ink);font-size:11.5px}
.post-card h3{font-size:clamp(17.5px,1.6vw,19.5px);line-height:1.28;letter-spacing:-.02em}
.post-card h3 a::after{content:"";position:absolute;inset:0;z-index:1}
.post-card h3 a:focus-visible{outline:none}
.post-card:focus-within{outline:2px solid var(--gold);outline-offset:3px}
.post-card p{font-size:14.5px;color:var(--muted-dark);line-height:1.55}
.post-more{margin-top:auto;padding-top:4px;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:800;font-size:14px;color:var(--accent-ink)}
.post-more i{font-size:12px;transition:transform .25s}
.post-card:hover .post-more i{transform:translateX(4px)}

/* Destacado (listado del blog) */
.post-card.featured{grid-column:1 / -1;flex-direction:row}
.post-card.featured .post-cover{flex:0 0 52%;aspect-ratio:auto;min-height:320px}
.post-card.featured .post-cover svg{width:26%}
.post-card.featured .post-body{padding:clamp(22px,3vw,40px);justify-content:center;gap:14px}
.post-card.featured h3{font-size:clamp(22px,2.6vw,32px);letter-spacing:-.03em}
.post-card.featured p{font-size:16px}
.post-card[hidden]{display:none}
.post-card.featured.as-card{grid-column:auto;flex-direction:column}
.post-card.featured.as-card .post-cover{flex:none;aspect-ratio:16/9;min-height:0}
.post-card.featured.as-card .post-body{padding:20px 22px 22px;justify-content:flex-start}
.post-card.featured.as-card h3{font-size:clamp(17.5px,1.6vw,19.5px)}
.post-card.featured.as-card p{font-size:14.5px}
.post-card.featured.as-card .badge-new{display:none}
.badge-new{align-self:flex-start;font-family:var(--font-display);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-900);background:var(--gold);padding:5px 10px;border-radius:999px}

/* ---------- Sección blog en la página de inicio ---------- */
.blog-home{background:var(--paper)}
.blog-home-foot{margin-top:28px;display:flex;justify-content:center}

/* ---------- Encabezado de páginas internas ---------- */
.page-hero{
  position:relative;color:var(--text);overflow:hidden;isolation:isolate;
  background:
    radial-gradient(800px 420px at 85% 10%,rgba(47,143,78,.24),transparent 62%),
    linear-gradient(180deg,#081510 0%,#050F0B 100%);
  padding:clamp(40px,6vw,76px) 0 clamp(36px,5vw,60px);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 70% 90% at 80% 20%,#000,transparent 72%);
  mask-image:radial-gradient(ellipse 70% 90% at 80% 20%,#000,transparent 72%);
}
.page-hero h1{font-size:clamp(30px,4.4vw,54px);line-height:1.05;letter-spacing:-.038em;color:#fff;margin:16px 0 14px;max-width:920px}
.page-hero h1 em{font-style:normal;color:var(--gold)}
.page-hero .lead{color:var(--muted);max-width:640px}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;font-size:13px;color:var(--muted-2);list-style:none;padding:0;margin:0}
.crumbs li{display:inline-flex;align-items:center;gap:8px;min-width:0}
.crumbs li + li::before{content:"/";color:rgba(255,255,255,.25)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--gold)}
.crumbs [aria-current]{color:#DCE6E1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46ch}

/* Cifras del encabezado del blog */
.blog-stats{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.blog-stats li{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);font-size:13.5px;color:#DCE6E1;
}
.blog-stats b{font-family:var(--font-display);font-size:15px;color:var(--gold)}
.blog-stats i{color:var(--gold);font-size:12px}
.blog-stats .stars{font-size:11px;letter-spacing:.04em}

/* ---------- Barra de navegación del blog: buscador + temas ---------- */
.blog-toolbar{
  position:sticky;top:80px;z-index:60;
  background:rgba(245,246,241,.94);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-dark);transition:box-shadow .3s var(--ease);
}
.blog-toolbar.stuck{box-shadow:0 14px 30px -24px rgba(6,18,14,.55)}
.blog-toolbar .container{display:flex;align-items:center;gap:16px;padding-block:14px}
.blog-search{position:relative;flex:0 0 clamp(230px,23vw,300px);margin:0}
.blog-search > i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted-dark);font-size:14px;pointer-events:none}
.blog-search input{
  width:100%;min-height:48px;padding:0 44px 0 44px;border-radius:14px;border:1px solid #D7DFD8;background:var(--white);
  color:var(--text-dark);font-size:15px;transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;appearance:none;
}
.blog-search input::-webkit-search-cancel-button{display:none}
.blog-search input::placeholder{color:#8A9890}
.blog-search input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(47,143,78,.14)}
.search-clear{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:9px;border:0;cursor:pointer;
  display:grid;place-items:center;background:rgba(11,26,21,.06);color:var(--text-dark);font-size:13px;
}
.search-clear[hidden]{display:none}
.search-clear:hover{background:var(--ink-900);color:var(--gold)}

.chip-row{
  flex:1;min-width:0;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px;-webkit-overflow-scrolling:touch;
  scroll-snap-type:x proximity;
}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  --accent:var(--gold);
  flex-shrink:0;scroll-snap-align:start;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 8px 0 15px;border-radius:999px;cursor:pointer;
  font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--text-dark);
  background:var(--white);border:1px solid var(--line-dark);transition:background .2s,border-color .2s,color .2s,transform .2s;
}
.chip i{font-size:13px;color:var(--accent-ink,var(--green-700))}
.chip .count{
  min-width:24px;height:24px;padding:0 7px;border-radius:999px;display:inline-grid;place-items:center;
  font-family:var(--font-mono);font-size:11.5px;font-weight:600;background:var(--paper);color:var(--muted-dark);
}
.chip:hover{border-color:color-mix(in srgb,var(--accent) 70%,transparent);transform:translateY(-1px)}
.chip[aria-pressed="true"]{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.chip[aria-pressed="true"] i{color:var(--accent)}
.chip[aria-pressed="true"] .count{background:var(--accent);color:var(--ink-900)}

.blog-list{background:var(--paper);padding-top:clamp(28px,4vw,44px)}
@media (min-width:1025px){
  /* En pantallas grandes los temas se acomodan en una o dos filas, sin cortar ninguno */
  .chip-row{flex-wrap:wrap;overflow:visible}
}
.blog-results{font-size:14px;color:var(--muted-dark);margin:0 0 18px}
.blog-results b{color:var(--text-dark)}
.empty-state{
  display:none;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:48px 20px;margin-top:4px;
  border:1px dashed rgba(31,107,58,.35);border-radius:var(--r-lg);background:var(--white);color:var(--muted-dark);
}
.empty-state.show{display:flex}
.empty-state > i{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--green-50);color:var(--green-700);font-size:19px;margin-bottom:6px}
.empty-state b{font-family:var(--font-display);font-size:18px;color:var(--text-dark)}
.empty-state a{color:var(--green-700);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.empty-state .btn{margin-top:10px;min-height:46px;font-size:14.5px}

/* ---------- Anterior / siguiente ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;border-radius:var(--r-md);min-width:0;
  background:var(--paper);border:1px solid var(--line-dark);border-left:3px solid var(--accent);
  transition:transform .25s var(--ease-out),box-shadow .25s,border-color .25s;text-decoration:none;
}
.post-nav a.next{text-align:right;align-items:flex-end;border-left-width:1px;border-right:3px solid var(--accent)}
.post-nav a:hover{transform:translateY(-2px);box-shadow:0 16px 30px -22px rgba(6,18,14,.5)}
.post-nav small{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-display);font-size:11.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-dark)}
.post-nav b{font-family:var(--font-display);font-size:15.5px;line-height:1.35;color:var(--text-dark);letter-spacing:-.01em}
.post-nav span{font-size:12.5px;color:var(--accent-ink)}
.prose .post-nav a{font-weight:inherit;text-decoration:none}
.back-blog{
  display:flex;align-items:center;justify-content:center;gap:9px;margin-top:12px;min-height:48px;border-radius:var(--r-md);
  font-family:var(--font-display);font-weight:800;font-size:14.5px;color:var(--text-dark) !important;text-decoration:none !important;
  border:1px dashed var(--line-dark);transition:background .2s,border-color .2s;
}
.back-blog:hover{background:var(--paper);border-color:var(--green-700)}
.back-blog i{color:var(--green-700)}
a.post-tag{text-decoration:none;transition:background .2s}
a.post-tag:hover{background:color-mix(in srgb,var(--accent) 22%,transparent)}

/* ---------- Artículo ---------- */
.reading-bar{position:fixed;left:0;top:0;z-index:120;height:3px;width:100%;background:var(--gold);transform:scaleX(0);transform-origin:0 50%;pointer-events:none}
.article-hero .post-tag{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:12px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
  padding:6px 12px;border-radius:999px;background:color-mix(in srgb,var(--accent) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);margin-top:22px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:14px;color:var(--muted)}
.article-meta .by{display:flex;align-items:center;gap:10px;color:#fff;font-weight:600}
.article-meta .by img{width:38px;height:38px;border-radius:10px;object-fit:cover;box-shadow:0 0 0 1px rgba(227,180,41,.4)}
.article-meta .by small{display:block;font-weight:400;color:var(--muted);font-size:12.5px}
.article-meta > span{display:inline-flex;align-items:center;gap:7px}
.article-meta > span i{color:var(--gold)}

.article-wrap{background:var(--white);padding:clamp(36px,5vw,64px) 0 clamp(56px,7vw,90px)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(32px,5vw,64px);align-items:start}
.prose{max-width:740px;min-width:0;font-size:clamp(16px,1.25vw,17.5px);line-height:1.78;color:#24342D}
.prose > section{scroll-margin-top:110px}
.prose h2{font-size:clamp(23px,2.4vw,30px);letter-spacing:-.028em;color:var(--text-dark);margin:46px 0 14px;scroll-margin-top:110px}
.prose > section:first-of-type h2{margin-top:36px}
.prose h3{font-size:clamp(18px,1.6vw,20.5px);color:var(--text-dark);margin:28px 0 10px;letter-spacing:-.02em}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 22px;padding-left:22px}
.prose li{margin:0 0 9px;padding-left:4px}
.prose li::marker{color:var(--green-700);font-weight:700}
.prose strong{color:var(--text-dark)}
.prose a{color:var(--green-700);font-weight:600;text-decoration:underline;text-decoration-color:rgba(31,107,58,.35);text-underline-offset:3px}
.prose a:hover{text-decoration-color:currentColor}
.prose .intro{font-size:1.08em;color:var(--text-dark)}

.key-points{
  margin:6px 0 10px;padding:20px 22px;border-radius:var(--r-md);
  background:var(--green-50);border:1px solid rgba(31,107,58,.18);border-left:4px solid var(--gold);
}
.key-points h2{font-size:13px !important;letter-spacing:.16em;text-transform:uppercase;margin:0 0 10px !important;color:var(--green-700)}
.key-points ul{margin:0;padding-left:20px}
.key-points li{margin-bottom:6px;font-size:.95em}

.callout{
  display:flex;gap:14px;align-items:flex-start;margin:6px 0 24px;padding:18px 20px;border-radius:var(--r-md);
  background:#FFF8E3;border:1px solid rgba(184,138,18,.3);font-size:.95em;line-height:1.65;
}
.callout i{color:var(--gold-deep);font-size:18px;margin-top:4px}
.callout p{margin:0}

.table-wrap{overflow-x:auto;margin:0 0 24px;border:1px solid var(--line-dark);border-radius:var(--r-md);-webkit-overflow-scrolling:touch}
.prose table{width:100%;border-collapse:collapse;font-size:.92em;min-width:520px}
.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line-dark);vertical-align:top}
.prose th{background:var(--paper);font-family:var(--font-display);font-weight:800;color:var(--text-dark);font-size:.92em}
.prose tr:last-child td{border-bottom:0}

.inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:34px 0;
  padding:22px 24px;border-radius:var(--r-lg);background:var(--ink-900);color:#fff;
}
.inline-cta b{display:block;font-family:var(--font-display);font-size:18px;letter-spacing:-.015em}
.inline-cta span{color:var(--muted);font-size:14.5px}
.inline-cta .btn{min-height:48px;font-size:14.5px}

/* Índice de contenido */
.article-aside{position:sticky;top:106px;display:grid;gap:16px}
.toc{background:var(--paper);border:1px solid var(--line-dark);border-radius:var(--r-md);padding:18px}
.toc-title{font-family:var(--font-display);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-dark);margin-bottom:10px}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px;counter-reset:toc}
.toc li{counter-increment:toc}
.toc a{display:flex;gap:10px;padding:7px 8px;border-radius:8px;font-size:14px;line-height:1.4;color:var(--muted-dark);transition:background .2s,color .2s}
.toc a::before{content:counter(toc,decimal-leading-zero);font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2);padding-top:2px}
.toc a:hover{background:rgba(11,26,21,.04);color:var(--text-dark)}
.toc a.active{background:var(--white);color:var(--green-700);font-weight:600;box-shadow:inset 3px 0 0 var(--gold)}
.toc-inline{display:none;margin:0 0 6px;border:1px solid var(--line-dark);border-radius:var(--r-md);background:var(--paper)}
.toc-inline summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;font-family:var(--font-display);font-weight:800;font-size:15px}
.toc-inline summary::-webkit-details-marker{display:none}
.toc-inline summary i{transition:transform .3s var(--ease)}
.toc-inline[open] summary i{transform:rotate(180deg)}
.toc-inline .toc{border:0;background:none;padding:0 10px 12px}

.aside-cta{
  position:relative;overflow:hidden;padding:22px;border-radius:var(--r-md);background:var(--ink-900);color:#fff;
  border-top:3px solid var(--accent);
}
.aside-cta .svc-brand{display:block;margin-bottom:8px}
.aside-cta h3{font-size:18px;line-height:1.25;color:#fff}
.aside-cta p{font-size:14px;color:var(--muted);margin:8px 0 16px;line-height:1.55}
.aside-cta .btn{width:100%;min-height:48px;font-size:14.5px}
.aside-cta .btn + .btn{margin-top:8px}

/* Preguntas del artículo */
.article-faq{margin-top:46px}
.article-faq .faq-list{margin-top:16px}
.article-faq .faq-item summary{font-size:16px}

/* Compartir */
.share{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line-dark)}
.share > span{font-family:var(--font-display);font-weight:800;font-size:14px;margin-right:4px}
.share a,.share button{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;cursor:pointer;
  background:var(--paper);border:1px solid var(--line-dark);color:var(--text-dark);font-size:16px;transition:background .2s,color .2s
}
.share a:hover,.share button:hover{background:var(--ink-900);color:var(--gold)}
.share .copied{background:var(--green);color:#fff}

.related{background:var(--paper)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-card.featured{flex-direction:column}
  .post-card.featured .post-cover{flex:none;aspect-ratio:auto;height:clamp(190px,30vw,270px);min-height:0}
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static}
  .article-aside .toc{display:none}
  .toc-inline{display:block}
  .prose{max-width:none}
  .blog-toolbar{top:72px}
  .blog-toolbar .container{flex-direction:column;align-items:stretch;gap:12px}
  .blog-search{flex:none}
  /* Indica que hay más temas deslizando hacia el lado */
  .chip-row{-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent);padding-right:28px}
}
@media (max-width:760px){
  .home-blog-grid .post-card:nth-child(3){display:none}
  /* En el celular la barra no queda fija para no tapar la lectura */
  .blog-toolbar{position:relative;top:auto;background:var(--paper)}
  .blog-toolbar .container{padding-block:16px 6px}
  .blog-list{padding-top:14px}
  .blog-stats{gap:8px;margin-top:20px}
  .blog-stats li{padding:7px 12px;font-size:12.5px}
  .post-nav{grid-template-columns:1fr}
  .post-nav a.next{text-align:left;align-items:flex-start;border-right-width:1px;border-left:3px solid var(--accent)}
  .post-nav-empty{display:none}
}
@media (max-width:600px){
  .post-grid{grid-template-columns:1fr;gap:14px}
  .home-blog-grid .post-card:nth-child(3){display:flex}
  .post-body{padding:18px 18px 20px}
  .post-card.featured .post-body{padding:20px 18px 22px}
  .inline-cta{padding:20px 18px}
  .inline-cta .btn{width:100%}
  .crumbs [aria-current]{max-width:26ch}
  .article-meta{gap:10px 16px}
}
@media (hover:none){
  .post-card:hover{transform:none}
}