/* Blog · XI Congreso ACIS 2026 · Sistema visual con portadas SVG */
:root{
  --verde-500:#429445;--amarillo:#f4e400;--gris:#6d6e70;
  --verde-900:#0c2b1c;--verde-800:#103b27;--verde-700:#16492f;
  --verde-200:#cfe6c9;--verde-50:#eef6ec;
  --tinta:#171a17;--gris-claro:#f4f6f3;--blanco:#ffffff;
  --display:'Montserrat',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --maxw:1180px;--header-h:76px;
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:17px}
body{
  font-family:var(--display);color:var(--tinta);background:var(--gris-claro);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  cursor:default;-webkit-user-select:none;-moz-user-select:none;user-select:none;
  -webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;
}
a,button{cursor:pointer}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent}
img,svg{max-width:100%;display:block;-webkit-user-drag:none}
::selection{background:var(--verde-500);color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
header.nav{
  position:sticky;top:0;z-index:60;height:var(--header-h);background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);border-bottom:1px solid #e7ebe6;
  box-shadow:0 6px 22px -18px rgba(12,43,28,.5);display:flex;align-items:center;
}
.nav__inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:14px;color:var(--tinta)}
.brand__mark{
  width:36px;height:36px;border-radius:8px;background:var(--verde-900);
  display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:5px;flex:none;
}
.brand__mark i{border-radius:1px}
.brand__title{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gris);line-height:1.3}
.brand__title b{display:block;color:var(--verde-500);font-family:var(--display);
  font-size:.98rem;font-weight:800;letter-spacing:.02em;text-transform:none}
.nav__links{display:flex;align-items:center;gap:26px}
.nav__links a{font-size:.94rem;color:#2f3b35;font-weight:600;transition:color .15s}
.nav__links a:hover,.nav__links a.active{color:var(--verde-500)}
.nav__cta{
  font-weight:700;font-size:.94rem;background:var(--verde-500);color:#fff;
  padding:11px 20px;border-radius:9px;transition:transform .15s,background .15s;
  box-shadow:0 10px 22px -10px rgba(0,150,57,.7)
}
.nav__cta:hover{background:#357a39;transform:translateY(-1px)}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;color:var(--verde-900)}
.nav__toggle svg{width:26px;height:26px}

/* ---------- Blog hero ---------- */
.blog-hero{
  background:linear-gradient(135deg,var(--verde-900) 0%,var(--verde-800) 60%,var(--verde-700) 100%);
  color:#fff;padding:clamp(56px,7vw,96px) 0 clamp(60px,7vw,90px);
  position:relative;overflow:hidden;
}
.blog-hero::before{
  content:"";position:absolute;inset:0;
  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:54px 54px;
  mask-image:radial-gradient(900px 520px at 70% 0%,#000,transparent 75%);
}
.blog-hero::after{
  content:"";position:absolute;right:-100px;top:-40px;width:520px;height:520px;
  background:radial-gradient(closest-side,rgba(66,148,69,.35),transparent 70%);
  pointer-events:none;filter:blur(12px);
}
.blog-hero .wrap{position:relative;z-index:2}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--amarillo);font-weight:500;
  display:inline-flex;align-items:center;gap:.6em;margin-bottom:16px
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amarillo)}
.blog-hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);font-weight:900;line-height:1.05;
  letter-spacing:-.01em;max-width:22ch;margin-bottom:16px
}
.blog-hero p{color:#cfe0d3;font-size:1.14rem;max-width:60ch}
.blog-hero__stats{
  display:flex;gap:36px;margin-top:36px;flex-wrap:wrap;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.08)
}
.blog-hero__stat .k{font-family:var(--mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:#8fb89f;margin-bottom:4px}
.blog-hero__stat .v{font-family:var(--display);font-weight:800;font-size:1.6rem;color:#fff}
.blog-hero__stat .v span{color:var(--amarillo)}

/* ---------- Filtros ---------- */
.filters{
  display:flex;gap:8px;flex-wrap:wrap;padding:0 24px;
  max-width:var(--maxw);margin:36px auto 0
}
.filter{
  border:1px solid #d7ddd5;background:var(--blanco);border-radius:999px;
  padding:9px 16px;font-size:.84rem;font-weight:600;color:#3a3e3a;
  font-family:var(--display);transition:border-color .15s,background .15s,color .15s,transform .15s
}
.filter:hover{border-color:var(--verde-500);color:var(--verde-700);transform:translateY(-1px)}
.filter.active{background:var(--verde-500);color:#fff;border-color:var(--verde-500)}

/* ---------- Grid ---------- */
.blog-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));
  gap:24px;padding:36px 24px 90px;max-width:var(--maxw);margin:0 auto;
}
.card{
  background:var(--blanco);border:1px solid #e5eae3;border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;
  position:relative;
}
.card:hover{transform:translateY(-5px);border-color:var(--verde-200);
  box-shadow:0 32px 60px -34px rgba(12,43,28,.55)}
.card__cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--verde-900);
  border-bottom:1px solid #e5eae3;
}
.card__cover svg{width:100%;height:100%;display:block}
.card__cat{
  position:absolute;top:14px;left:14px;z-index:2;
  font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--verde-900);background:var(--amarillo);padding:5px 12px;border-radius:999px;
  font-weight:600;box-shadow:0 4px 12px -4px rgba(0,0,0,.4)
}
.card__body{padding:22px 22px 22px;flex:1;display:flex;flex-direction:column}
.card__title{
  font-family:var(--display);font-weight:800;font-size:1.15rem;line-height:1.3;
  color:var(--tinta);margin-bottom:10px
}
.card__title a:hover{color:var(--verde-500)}
.card__excerpt{font-size:.94rem;color:#3a3e3a;flex:1;line-height:1.55}
.card__foot{
  display:flex;justify-content:space-between;align-items:center;margin-top:18px;
  padding-top:14px;border-top:1px dashed #e5eae3;font-family:var(--mono);
  font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gris)
}
.card__foot .go{color:var(--verde-500);font-weight:700}
.card__foot .read{display:inline-flex;align-items:center;gap:4px}

/* ---------- Página de artículo ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--verde-900);
  padding:0;
}
.article-hero__cover{
  position:absolute;inset:0;z-index:0;
}
.article-hero__cover svg{width:100%;height:100%;display:block;object-fit:cover}
.article-hero__cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,31,20,.25) 0%,rgba(8,31,20,.7) 65%,rgba(8,31,20,.95) 100%)
}
.article-hero__inner{
  position:relative;z-index:2;padding:clamp(80px,10vw,140px) 0 clamp(46px,6vw,72px);
}
.breadcrumb{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:#cfe0d3;margin-bottom:18px;display:flex;gap:8px;align-items:center;flex-wrap:wrap
}
.breadcrumb a{color:var(--amarillo);font-weight:600}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{opacity:.4}
.article-hero__meta{display:flex;gap:14px;align-items:center;margin-bottom:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase}
.article-hero__cat{
  background:var(--amarillo);color:var(--verde-900);padding:5px 12px;border-radius:999px;
  font-weight:600
}
.article-hero__date{color:#cfe0d3;font-weight:500}
.article-hero h1{
  font-family:var(--display);font-weight:900;font-size:clamp(1.9rem,4.2vw,3rem);
  line-height:1.1;letter-spacing:-.01em;color:#fff;max-width:22ch;margin-bottom:18px
}
.article-hero__excerpt{font-size:1.14rem;color:#e2ecdf;line-height:1.55;max-width:60ch}
.article-hero__inner .wrap{position:relative;z-index:2}

/* Body */
.article-body-wrap{background:var(--blanco);padding:clamp(50px,6vw,80px) 0}
.article-body{max-width:720px;margin:0 auto;padding:0 24px}
.article-body > .lead-p{
  font-size:1.18rem;color:#2b2f2c;line-height:1.65;margin-bottom:22px;
  padding-left:20px;border-left:3px solid var(--amarillo)
}
.article-body h2{
  font-family:var(--display);font-weight:800;font-size:1.5rem;line-height:1.24;
  color:var(--verde-800);margin:44px 0 18px;letter-spacing:-.005em;position:relative;padding-left:22px
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:linear-gradient(180deg,var(--verde-500),var(--amarillo));border-radius:2px
}
.article-body h2:first-of-type{margin-top:0}
.article-body p{margin-bottom:16px;color:#2b2f2c;line-height:1.75;font-size:1.03rem}
.article-body ul{padding-left:8px;margin-bottom:22px;list-style:none}
.article-body ul li{
  margin-bottom:12px;color:#2b2f2c;line-height:1.65;padding-left:28px;position:relative
}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;
  background:var(--verde-50);border:2px solid var(--verde-500);border-radius:4px;
  display:block
}
.article-body ul li::after{
  content:"";position:absolute;left:4px;top:14px;width:6px;height:3px;
  border-left:2px solid var(--verde-500);border-bottom:2px solid var(--verde-500);
  transform:rotate(-45deg)
}
.article-body b{color:var(--verde-700);font-weight:700}
.article-body p b{color:var(--verde-700)}

/* Divisor entre secciones */
.section-divider{
  display:flex;align-items:center;justify-content:center;gap:14px;
  margin:38px 0;color:var(--verde-200)
}
.section-divider::before,.section-divider::after{
  content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,#c8d3c6,transparent)
}
.section-divider__dot{
  width:8px;height:8px;background:var(--amarillo);border-radius:50%;flex:none;
  box-shadow:0 0 0 4px rgba(241,229,78,.2)
}

/* CTA final */
.article__cta{
  background:linear-gradient(135deg,var(--verde-900),var(--verde-800));
  color:#fff;border-radius:20px;padding:44px 36px;text-align:center;
  margin:60px auto 0;max-width:720px;position:relative;overflow:hidden;
}
.article__cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(closest-side at 80% 0,rgba(66,148,69,.35),transparent 70%)
}
.article__cta > *{position:relative;z-index:1}
.article__cta .k{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--amarillo);font-weight:600;margin-bottom:12px;display:block
}
.article__cta h3{font-family:var(--display);font-weight:900;font-size:1.7rem;margin-bottom:12px;color:#fff;line-height:1.2}
.article__cta p{color:#cfe0d3;margin-bottom:26px;max-width:52ch;margin-left:auto;margin-right:auto}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;
  border-radius:11px;font-weight:700;font-size:1rem;transition:transform .15s,background .15s
}
.btn--wa{background:var(--amarillo);color:var(--verde-900);box-shadow:0 8px 22px -10px rgba(241,229,78,.7)}
.btn--wa:hover{background:#fff;transform:translateY(-2px)}
.btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn--ghost:hover{background:rgba(255,255,255,.08);border-color:var(--amarillo);color:var(--amarillo)}
.article__cta__btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Relacionados */
.related{
  max-width:1080px;margin:60px auto 0;padding:0 24px 20px
}
.related h4{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gris);margin-bottom:22px;font-weight:600;display:flex;align-items:center;gap:12px
}
.related h4::after{content:"";flex:1;height:1px;background:#e5eae3}
.related__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.related__item{
  background:var(--blanco);border:1px solid #e5eae3;border-radius:14px;overflow:hidden;
  transition:border-color .18s,transform .18s,box-shadow .18s;display:flex;flex-direction:column;
}
.related__item:hover{border-color:var(--verde-200);transform:translateY(-3px);
  box-shadow:0 22px 40px -28px rgba(12,43,28,.4)}
.related__cover{aspect-ratio:16/9;background:var(--verde-900);overflow:hidden}
.related__cover svg{width:100%;height:100%}
.related__body{padding:16px 18px 18px}
.related__item .k{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--verde-500);font-weight:600;margin-bottom:6px}
.related__item .t{font-family:var(--display);font-weight:700;font-size:.98rem;line-height:1.3;color:var(--tinta)}

/* Footer */
footer.ft{background:var(--blanco);color:#5b635a;padding:56px 0 30px;font-size:.84rem;border-top:1px solid #e7ebe6}
.ft__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:30px;border-bottom:1px solid #e7ebe6}
.ft__grid h4{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--tinta);margin-bottom:14px;font-weight:600}
.ft__grid a{display:block;color:#5b635a;margin-bottom:8px;transition:color .15s}
.ft__grid a:hover{color:var(--verde-500)}
.ft__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:20px;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:#9aa29a}

@media (max-width:900px){
  .nav__links,.nav__cta{display:none}
  .nav__toggle{display:inline-flex;align-items:center;justify-content:center}
  .mobile-open .nav__links{
    display:flex;position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;background:#fff;padding:20px 24px;gap:18px;
    border-bottom:1px solid #e7ebe6;box-shadow:0 16px 28px -18px rgba(0,0,0,.35)
  }
  .mobile-open .nav__cta{display:inline-flex;margin-top:6px}
  .ft__grid{grid-template-columns:1fr 1fr}
  .article-hero__inner{padding-top:clamp(60px,10vw,90px)}
}
@media (max-width:560px){
  .ft__grid{grid-template-columns:1fr}
  .article-body h2{font-size:1.28rem}
  .article__cta{padding:32px 24px}
}