/* CSS base reutilizable para todas las páginas del blog */
:root{
  --primary:#059669;
  --primary-dark:#047857;
  --primary-light:#10b981;
  --secondary:#d97706;
  --secondary-light:#f59e0b;
  --accent:#7c3aed;
  --dark:#0f172a;
  --dark-light:#1e293b;
  --gray-900:#111827;
  --gray-600:#4b5563;
  --gray-500:#6b7280;
  --gray-200:#e5e7eb;
  --gray-100:#f3f4f6;
  --gray-50:#f9fafb;
  --white:#ffffff;
  --gradient-primary:linear-gradient(135deg,#059669 0%,#10b981 100%);
  --gradient-dark:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);
  --shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1),0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1),0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius-lg:1rem;
  --radius-xl:1.5rem;
  --radius-2xl:2rem;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}

*{margin:0;padding:0;box-sizing:border-box;}
body{
  font-family:'Plus Jakarta Sans',sans-serif;
  background-color:transparent !important;
  background-image:none !important;
  color:var(--gray-900);
  line-height:1.7;
  min-height:100vh;
  position:relative;
  isolation:isolate;
}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-0.02em;}

a{
  text-decoration:none;
  color:inherit;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:url("../images/background.webp");
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  /* Marca de agua: suficiente para verse, pero sin tapar lectura */
  opacity:0.14;
  z-index:-1;
  pointer-events:none;
}

.container{max-width:1180px;margin:0 auto;padding:0 1.5rem;}
.navbar{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--gray-200);
}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;padding:0.9rem 1.5rem;}
.logo{display:flex;align-items:center;gap:.6rem;}
.logo-mark{
  width:60px !important;
  height:60px !important;
  border-radius:999px !important;
  background:var(--white) url("../images/logo.svg") center / 82% no-repeat !important;
  box-shadow:0 2px 8px rgb(0 0 0 / 0.12) !important;
}
.logo-text{
  font-family:'Space Grotesk',sans-serif !important;
  font-size:1.3rem !important;
  font-weight:700 !important;
  line-height:1 !important;
  letter-spacing:-0.02em !important;
  background:var(--gradient-primary) !important;
  -webkit-background-clip:text !important;
  -webkit-text-fill-color:transparent !important;
  background-clip:text !important;
}
.nav-links{display:flex;gap:1.2rem;flex-wrap:wrap;}
.nav-links a{color:var(--gray-600);font-weight:700;font-size:.95rem;}
.nav-links a:hover{color:var(--primary);}

.mobile-menu-btn{
  display:none;
  width:40px;
  height:40px;
  border:1px solid var(--gray-200);
  background:var(--white);
  border-radius:10px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  cursor:pointer;
}

.mobile-menu-btn span{
  display:block;
  width:18px;
  height:2px;
  background:var(--gray-900);
  border-radius:999px;
}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.6rem 1.5rem;border-radius:999px;
  background:var(--gradient-primary);color:var(--white);
  font-weight:800;font-size:.95rem;
  box-shadow:var(--shadow-md);
  border:none;cursor:pointer;transition:var(--transition);
  text-decoration:none;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg);}

main{padding:3rem 0 4rem;}

.hero{padding:1.5rem 0 1.2rem;}
.hero-badge{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.3rem .9rem;border-radius:999px;
  background:rgba(5,150,105,.06);
  border:1px solid rgba(5,150,105,.2);
  color:var(--primary-dark);font-weight:800;font-size:.8rem;
  margin-bottom:1rem;
}
.hero-title{font-size:clamp(2rem,3.1vw,2.6rem);margin-bottom:.8rem;}
.hero-title span{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-subtitle{color:var(--gray-600);max-width:64rem;font-size:1.02rem;margin-bottom:1.2rem;}
.hero-layout{
  display:grid;
  grid-template-columns:minmax(0, 2fr) minmax(0, 1.3fr);
  gap:3rem;
  align-items:center;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:.9rem;
  font-size:.85rem;
  color:var(--gray-500);
  margin-bottom:1.8rem;
}
.hero-meta span{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.25rem .7rem;
  border-radius:999px;
  background:rgba(255,255,255,.86);
}
.hero-card{
  background:var(--gradient-dark);
  color:var(--white);
  padding:1.8rem 1.6rem;
  border-radius:var(--radius-2xl);
  box-shadow:var(--shadow-lg);
}
.hero-card h2{font-size:1.25rem;margin-bottom:.7rem;}
.hero-card p{font-size:.9rem;color:rgb(255 255 255 / .85);}
.hero-card-list{
  margin-top:1rem;
  display:grid;
  gap:.55rem;
  padding-left:1.1rem;
}
.hero-card-list li{color:rgb(255 255 255 / .9);}
.hero-card-list li::marker{color:var(--primary-light);}

.blog-section{padding-top:1rem;}
.blog-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  margin-top:1rem;
  margin-bottom:1.2rem;
}
.blog-header h2{font-size:1.45rem;}
.blog-header p{
  color:var(--gray-600);
  max-width:38rem;
  font-size:.94rem;
}
.posts-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1.2rem;
  margin-top:.8rem;
}

.layout{display:grid;grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);gap:2.2rem;align-items:start;}
.content-card{
  background:rgba(255,255,255,0.88) !important;
  border-radius:var(--radius-2xl);
  box-shadow:var(--shadow-md);
  border:1px solid rgba(0,0,0,.03);
  padding:1.9rem;
}
.toc{
  background:rgba(255,255,255,0.88) !important;
  border-radius:var(--radius-2xl);
  box-shadow:var(--shadow-md);
  border:1px solid rgba(0,0,0,.03);
  padding:1.4rem;
  position:sticky;top:96px;
}

.post-card{
  background:rgba(255,255,255,0.88) !important;
  border-radius:var(--radius-xl);
  border:1px solid var(--gray-200);
  box-shadow:var(--shadow-md);
  padding:1.15rem 1.15rem 1.25rem;
  display:flex;
  flex-direction:column;
  min-height:100%;
  transition:var(--transition);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.post-badge{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-size:.76rem;
  font-weight:800;
  color:var(--primary-dark);
  background:rgba(5,150,105,.08);
  border:1px solid rgba(5,150,105,.25);
  padding:.3rem .7rem;
  border-radius:999px;
  width:fit-content;
  margin-bottom:.8rem;
}
.post-title{font-size:1.06rem;line-height:1.35;margin-bottom:.6rem;}
.post-excerpt{
  color:var(--gray-600);
  font-size:.9rem;
  line-height:1.6;
  margin-bottom:1rem;
  flex-grow:1;
}
.post-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.65rem;
  flex-wrap:wrap;
}
.post-meta span{font-size:.82rem;color:var(--gray-500);font-weight:700;}
.post-link{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  font-size:.86rem;
  font-weight:800;
  color:var(--primary-dark);
}
.post-link:hover{color:var(--primary);}
.toc h2{font-size:1.1rem;margin-bottom:.8rem;}
.toc ul{list-style:none;display:grid;gap:.6rem;}
.toc a{color:var(--gray-600);font-weight:800;}
.toc a:hover{color:var(--primary);}

.content-card h2{font-size:1.35rem;margin:1.6rem 0 .6rem;}
.content-card p{color:var(--gray-600);margin:.65rem 0;}

/* Componentes repetidos entre artículos */
.callout{
  background:rgba(5,150,105,.08);
  border:1px solid rgba(5,150,105,.22);
  border-radius:1.2rem;
  padding:1rem 1.1rem;
  margin:1.2rem 0;
}
.callout strong{color:var(--primary-dark);}

.checklist{margin:1rem 0 0;display:grid;gap:.55rem;}
.checklist li{list-style:none;display:flex;gap:.55rem;align-items:flex-start;color:var(--gray-600);font-weight:650;}
.checklist li::before{content:"✓";color:var(--primary);font-weight:900;margin-top:.05rem;}

.error-box{
  background:rgba(5,150,105,.07);
  border:1px solid rgba(5,150,105,.22);
  border-radius:1.2rem;
  padding:1rem 1.1rem;
  margin:1rem 0;
}
.error-box h3{margin:0 0 .25rem;font-size:1.05rem;color:var(--gray-900);}
.error-box ul{margin-top:.6rem;display:grid;gap:.45rem;}
.error-box li{list-style:none;color:var(--gray-600);font-weight:650;display:flex;gap:.5rem;}
.error-box li::before{content:"•";color:var(--primary);font-weight:900;}

.steps{margin:1rem 0 0;display:grid;gap:.55rem;}
.steps li{list-style:none;display:flex;gap:.55rem;align-items:flex-start;color:var(--gray-600);font-weight:650;}
.steps{counter-reset:step;}
.steps li::before{
  counter-increment:step;
  content:counter(step);
  color:var(--primary);
  font-weight:900;
  margin-top:.05rem;
}

.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.8rem;}
.metric{background:rgba(5,150,105,.06);border:1px solid rgba(5,150,105,.2);border-radius:1.2rem;padding:1rem;}
.metric h3{font-size:1.02rem;margin-bottom:.3rem;}
.metric p{margin:0;color:var(--gray-600);font-weight:650;}

.formula{background:rgba(5,150,105,.07);border:1px solid rgba(5,150,105,.22);border-radius:1.2rem;padding:1.1rem;margin:1rem 0;}
.formula code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,'Liberation Mono','Courier New',monospace;color:var(--primary-dark);font-weight:900;}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:.8rem;}
.box{background:rgba(0,0,0,.02);border:1px solid rgba(0,0,0,.05);border-radius:1.2rem;padding:1rem;}
.box h3{font-size:1.05rem;margin-bottom:.3rem;}
.box p{margin:0;color:var(--gray-600);font-weight:650;}

.list{display:grid;gap:.45rem;margin-top:.8rem;}
.list li{list-style:none;color:var(--gray-600);font-weight:650;display:flex;gap:.5rem;}
.list li::before{content:"✓";color:var(--primary);font-weight:900;}

.download{
  background:rgba(5,150,105,.08);
  border:1px solid rgba(5,150,105,.22);
  border-radius:1.2rem;
  padding:1rem 1.1rem;
  margin:1.2rem 0;
}

.quote{
  background:rgba(5,150,105,.08);
  border:1px solid rgba(5,150,105,.22);
  border-radius:1.2rem;
  padding:1rem 1.1rem;
  margin:1rem 0;
}
.quote strong{color:var(--primary-dark);}

.timeline{display:grid;gap:1rem;margin-top:1rem;}
.step{border:1px solid rgba(0,0,0,.05);border-radius:1.2rem;padding:1rem;background:rgba(0,0,0,.01);}
.step h3{font-size:1.05rem;margin-bottom:.4rem;color:var(--gray-900);}
.step p{margin:0;}

.faq{margin-top:1.8rem;border-top:1px solid var(--gray-200);padding-top:1.6rem;}
.faq h2{margin-top:0;}
.faq-item{margin:1rem 0;}
.faq-item h3{font-size:1.05rem;margin-bottom:.4rem;color:var(--gray-900);}
.faq-item p{margin:0;color:var(--gray-600);}

.cta-bottom{margin-top:2rem;}
.section-gap-top{margin-top:2rem;}
.btn-block{width:100%;}
.footer-link{color:var(--primary);font-weight:900;}
.footer-link-soft{color:var(--primary-dark);font-weight:600;}
.text-muted-strong{margin:0;color:var(--gray-600);font-weight:700;}
.text-muted-body{color:var(--gray-600);margin:0;}
.text-muted-title{color:var(--gray-600);font-weight:800;margin-bottom:.35rem;}
.mt-06{margin:.6rem 0 0;}

.footer{border-top:1px solid var(--gray-200);padding:1.8rem 0 2rem;background:var(--white);}
.footer p{color:var(--gray-500);text-align:center;font-size:.88rem;margin:.35rem 0;}

@media (max-width: 980px){
  .layout{grid-template-columns:minmax(0,1fr);gap:1.4rem;}
  .toc{position:static;top:auto;}
}

@media (max-width: 900px){
  .hero-layout{grid-template-columns:minmax(0,1fr) !important;}
}

@media (max-width: 900px){
  .mobile-menu-btn{
    display:flex !important;
    margin-left:auto;
  }

  .navbar .btn-primary{
    display:none !important;
  }

  .nav-links{
    display:none !important;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    z-index:80;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(14px);
    border-top:1px solid var(--gray-200);
    border-bottom:1px solid var(--gray-200);
    flex-direction:column;
    align-items:flex-start;
    gap:.2rem;
    padding:.8rem 1rem;
  }

  .navbar.menu-open .nav-links{
    display:flex !important;
  }

  .nav-links a{
    width:100%;
    padding:.65rem .4rem;
    font-size:1rem;
    font-weight:700;
  }
}

@media (max-width: 640px){
  .navbar-inner{
    padding-inline:1rem !important;
    gap:.6rem;
  }

  .logo-mark{
    width:34px !important;
    height:34px !important;
  }

  .logo-text{
    font-size:1.05rem !important;
  }

  .hero{
    padding-top:3.2rem !important;
  }

  .hero-home .hero-badge{
    display:flex;
    width:100%;
    flex-wrap:wrap;
    gap:.35rem .6rem;
    padding:.45rem .75rem;
  }

  .hero-home .hero-badge span{
    line-height:1.25;
  }

  .hero-home .hero-meta{
    gap:.55rem;
    margin-bottom:1.2rem;
  }

  .hero-home .hero-meta span{
    width:100%;
    justify-content:flex-start;
    padding:.4rem .75rem;
  }

  .hero-home .btn-primary{
    width:100%;
    text-align:center;
    white-space:normal;
    line-height:1.3;
    padding:.78rem 1rem;
  }

  .blog-header{
    flex-direction:column;
    align-items:flex-start;
  }

  .posts-grid{
    grid-template-columns:minmax(0,1fr);
  }
}