:root{
    --blue:#1B3FE0;
    --blue-dark:#12277E;
    --ink:#0B1030;
    --paper:#FFFFFF;
    --mist:#F2F4FC;
    --line:#DCE1F5;
    --green:#1FAE59;
    --green-dark:#178A46;
    --amber:#F5A623;
    --radius:14px;
    --maxw:1180px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'IBM Plex Sans', system-ui, sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:'Sora', system-ui, sans-serif;
    line-height:1.15;
    margin:0 0 .5em 0;
    letter-spacing:-0.01em;
  }
  h1{font-size:clamp(2.1rem,4.2vw,3.4rem); font-weight:700;}
  h2{font-size:clamp(1.6rem,3vw,2.2rem); font-weight:700;}
  h3{font-size:1.15rem; font-weight:600;}
  p{margin:0 0 1em 0; max-width:62ch;}
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
  section{padding:88px 0;}
  .section-alt{background:var(--mist);}

  :focus-visible{outline:3px solid var(--blue); outline-offset:2px;}
  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
  }

  /* Buttons */
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding:14px 26px; border-radius:999px;
    font-weight:600; font-size:.98rem;
    border:2px solid transparent; cursor:pointer;
    transition:transform .15s ease, background .15s ease, border-color .15s ease;
  }
  .btn:hover{transform:translateY(-2px);}
  .btn-whatsapp{background:var(--green); color:#fff;}
  .btn-whatsapp:hover{background:var(--green-dark);}
  .btn-outline{border-color:var(--blue); color:var(--blue); background:transparent;}
  .btn-outline:hover{background:var(--blue); color:#fff;}
  .btn-ghost-light{border-color:rgba(255,255,255,.5); color:#fff;}
  .btn-ghost-light:hover{background:#fff; color:var(--blue);}
  .btn svg{width:20px; height:20px; flex-shrink:0;}

  /* Header */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(255,255,255,.92); backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 24px; max-width:var(--maxw); margin:0 auto;
  }
  .brand{display:flex; align-items:center; gap:10px;}
  .brand img{height:42px; width:42px; border-radius:50%;}
  .brand span{font-family:'Sora'; font-weight:700; font-size:1.15rem; color:var(--ink);}
  .nav-links{display:flex; gap:28px; align-items:center;}
  .nav-links a{font-weight:500; font-size:.95rem; color:var(--ink); opacity:.85;}
  .nav-links a:hover{opacity:1; color:var(--blue);}
  .nav-cta{display:flex; gap:12px; align-items:center;}
  .nav-cta .btn{padding:10px 18px; font-size:.9rem;}
  .menu-toggle{display:none; background:none; border:none; cursor:pointer;}
  @media (max-width:860px){
    .nav-links{display:none;}
    .menu-toggle{display:block;}
    .nav-cta .btn-outline{display:none;}
  }

  /* Hero */
  .hero{
    padding:64px 0 96px;
    background:linear-gradient(180deg, #fff 0%, var(--mist) 100%);
    overflow:hidden;
  }
  .hero-grid{
    display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
  }
  @media (max-width:940px){ .hero-grid{grid-template-columns:1fr;} }
  .eyebrow-line{
    display:flex; align-items:center; gap:8px;
    font-size:.9rem; color:var(--blue-dark); font-weight:600; margin-bottom:18px;
  }
  .eyebrow-line .dot{width:8px; height:8px; border-radius:50%; background:var(--green); display:inline-block;}
  .hero p.lead{font-size:1.15rem; color:#333; max-width:52ch;}
  .hero-ctas{display:flex; gap:16px; flex-wrap:wrap; margin-top:28px;}
  .hero-stats{display:flex; gap:32px; margin-top:44px; flex-wrap:wrap;}
  .stat b{display:block; font-family:'Sora'; font-size:1.8rem; color:var(--blue);}
  .stat span{font-size:.88rem; color:#555;}

  /* Portal mockup */
  .portal-mock{
    position:relative; background:#fff; border:1px solid var(--line);
    border-radius:20px; padding:20px; box-shadow:0 24px 60px -20px rgba(27,63,224,.28);
  }
  .portal-mock-head{
    display:flex; justify-content:space-between; align-items:center;
    padding-bottom:14px; border-bottom:1px solid var(--line); margin-bottom:14px;
  }
  .portal-mock-head b{font-family:'Sora'; font-size:.95rem;}
  .portal-mock-head .traffic{display:flex; gap:6px;}
  .portal-mock-head .traffic span{width:9px; height:9px; border-radius:50%; background:var(--line); display:block;}
  .listing-row{
    display:flex; align-items:center; gap:14px;
    padding:14px 12px; border-radius:10px; margin-bottom:8px;
    background:var(--mist);
    opacity:0; transform:translateY(10px);
    animation:rise .5s ease forwards;
  }
  .listing-row:nth-child(2){animation-delay:.12s;}
  .listing-row:nth-child(3){animation-delay:.24s;}
  .listing-row:nth-child(4){animation-delay:.36s;}
  @keyframes rise{ to{opacity:1; transform:translateY(0);} }
  .listing-icon{
    width:38px; height:38px; border-radius:9px; background:var(--blue);
    display:flex; align-items:center; justify-content:center; flex-shrink:0;
  }
  .listing-icon svg{width:20px; height:20px; stroke:#fff;}

  .logo-grid{display:grid; grid-template-columns:1fr; gap:14px;}
  .logo-tile{
    background:var(--mist); border-radius:12px; padding:20px 22px;
    display:flex; align-items:center; justify-content:center; min-height:64px;
  }
  .logo-tile img{max-height:34px; width:auto; object-fit:contain;}
  .logo-tile-more{
    color:var(--blue-dark); font-weight:600; font-size:.88rem; text-align:center;
    border:1.5px dashed var(--line); background:transparent;
  }
  .listing-body{flex:1; min-width:0;}
  .listing-body b{font-size:.88rem; display:block;}
  .listing-body small{font-size:.78rem; color:#666;}
  .badge{
    font-size:.72rem; font-weight:600; padding:4px 10px; border-radius:999px;
    white-space:nowrap;
  }
  .badge-open{background:#E5FBEF; color:var(--green-dark);}
  .badge-soon{background:#FFF3E0; color:#B4740E;}
  .badge-won{background:#EAF0FF; color:var(--blue-dark);}

  /* Two concepts */
  .concepts-grid{display:grid; grid-template-columns:1fr 1fr; gap:28px; margin-top:36px;}
  @media (max-width:800px){.concepts-grid{grid-template-columns:1fr;}}
  .concept-card{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius);
    padding:32px; 
  }
  .concept-icon{
    width:52px; height:52px; border-radius:12px; background:var(--mist);
    display:flex; align-items:center; justify-content:center; margin-bottom:18px;
  }
  .concept-icon svg{width:26px; height:26px; stroke:var(--blue);}

  /* Services / business lines */
  .services-grid{display:grid; grid-template-columns:1fr 1fr; gap:28px; margin-top:36px;}
  @media (max-width:800px){.services-grid{grid-template-columns:1fr;}}
  .service-card{
    border-radius:20px; padding:36px; position:relative; overflow:hidden;
  }
  .service-card.asesorias{background:var(--ink); color:#fff;}
  .service-card.cursos{background:#fff; border:1px solid var(--line);}
  .service-card h3{font-size:1.5rem; margin-bottom:14px;}
  .service-card.asesorias h3{color:#fff;}
  .service-card ul{padding-left:0; list-style:none; margin:20px 0 28px;}
  .service-card li{
    display:flex; gap:10px; align-items:flex-start; margin-bottom:12px; font-size:.95rem;
  }
  .service-card.asesorias li{color:#E7EBFF;}
  .service-card li svg{width:18px; height:18px; flex-shrink:0; margin-top:2px;}
  .service-card.asesorias li svg{stroke:var(--amber);}
  .service-card.cursos li svg{stroke:var(--blue);}
  .service-tag{
    display:inline-block; font-size:.78rem; font-weight:600; padding:5px 12px;
    border-radius:999px; margin-bottom:16px;
  }
  .service-card.asesorias .service-tag{background:rgba(255,255,255,.12); color:#fff;}
  .service-card.cursos .service-tag{background:var(--mist); color:var(--blue-dark);}

  /* Expert section */
  .expert-grid{
    display:grid; grid-template-columns:.8fr 1.2fr; gap:48px; align-items:center;
  }
  @media (max-width:860px){.expert-grid{grid-template-columns:1fr;}}
  .avatar-photo{
    width:240px; height:240px; border-radius:50%;
    margin:0 auto; position:relative;
    padding:6px;
    background:linear-gradient(145deg, var(--blue), var(--blue-dark));
    box-shadow:0 20px 50px -18px rgba(27,63,224,.5);
  }
  .avatar-photo img{
    width:100%; height:100%; border-radius:50%; object-fit:cover;
    border:4px solid #fff; display:block;
  }
  .expert-quote{
    font-family:'Sora'; font-size:1.3rem; font-weight:600; color:var(--ink);
    margin-bottom:18px; max-width:46ch;
  }
  .expert-role{color:var(--blue); font-weight:600; margin-bottom:18px;}

  /* Numbered key-point lists (claves de éxito, problemas, líneas de servicio) */
  .keys-list{list-style:none; padding:0; margin:20px 0 0; max-width:70ch;}
  .keys-list li{display:flex; gap:14px; align-items:flex-start; margin-bottom:14px; font-size:.97rem; color:#333;}
  .key-num{
    width:28px; height:28px; border-radius:50%; background:var(--blue); color:#fff;
    display:flex; align-items:center; justify-content:center; font-weight:700; font-size:.85rem;
    flex-shrink:0; margin-top:1px;
  }

  /* Process */
  .process-grid{
    display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:40px;
  }
  @media (max-width:900px){.process-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:560px){.process-grid{grid-template-columns:1fr;}}
  .process-step{padding:24px 0; border-top:2px solid var(--blue);}
  .process-step b.num{
    font-family:'Sora'; font-size:1.6rem; color:var(--blue); display:block; margin-bottom:10px;
  }
  .process-step h4{margin-bottom:8px; font-size:1.05rem;}
  .process-step p{font-size:.92rem; color:#555;}

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    cursor:pointer; padding:22px 4px; font-family:'Sora'; font-weight:600;
    font-size:1.02rem; list-style:none; display:flex; justify-content:space-between; gap:16px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{content:'+'; font-size:1.4rem; color:var(--blue); flex-shrink:0;}
  .faq-item[open] summary::after{content:'–';}
  .faq-item p{padding:0 4px 22px; color:#444; max-width:70ch;}

  /* Contact / form */
  .contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:48px;}
  @media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
  .contact-card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:32px;}
  .field{margin-bottom:16px;}
  .field label{display:block; font-size:.88rem; font-weight:600; margin-bottom:6px;}
  .field input, .field textarea, .field select{
    width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:10px;
    font-family:inherit; font-size:.95rem; background:var(--mist);
  }
  .field textarea{resize:vertical; min-height:90px;}
  .contact-info-item{display:flex; gap:14px; margin-bottom:22px; align-items:flex-start;}
  .contact-info-item svg{width:22px; height:22px; stroke:var(--blue); flex-shrink:0; margin-top:2px;}

  /* Final CTA banner */
  .cta-banner{
    background:linear-gradient(135deg, var(--blue), var(--blue-dark));
    color:#fff; border-radius:28px; padding:64px 48px; text-align:center;
  }
  .cta-banner h2{color:#fff;}
  .cta-banner p{color:#DCE4FF; max-width:56ch; margin:0 auto 28px;}
  .cta-banner .hero-ctas{justify-content:center;}

  /* Footer */
  footer{background:var(--ink); color:#C6CBE8; padding:64px 0 32px;}
  .footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; margin-bottom:40px;}
  @media (max-width:800px){.footer-grid{grid-template-columns:1fr; gap:28px;}}
  footer h4{color:#fff; font-family:'Sora'; font-size:1rem; margin-bottom:16px;}
  footer a{color:#C6CBE8; display:block; margin-bottom:10px; font-size:.92rem;}
  footer a:hover{color:#fff;}
  .footer-brand{display:flex; align-items:center; gap:10px; margin-bottom:14px;}
  .footer-brand img{height:38px; width:38px; border-radius:50%;}
  .footer-brand span{font-family:'Sora'; font-weight:700; color:#fff; font-size:1.1rem;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12); padding-top:24px;
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.82rem;
  }
  .social-row{display:flex; gap:14px;}
  .social-row a svg{width:20px; height:20px; stroke:#C6CBE8;}
  .social-row a:hover svg{stroke:#fff;}

  /* Floating WhatsApp */
  .wa-float{
    position:fixed; bottom:22px; right:22px; z-index:60;
    width:58px; height:58px; border-radius:50%; background:var(--green);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 10px 30px -8px rgba(0,0,0,.4);
  }
  .wa-float svg{width:28px; height:28px; fill:#fff;}
  .wa-float:hover{background:var(--green-dark);}

  .sr-plain{font-size:1rem; color:#444;}

/* ===== Página de curso ===== */
.course-hero{padding:56px 0 72px; background:linear-gradient(180deg, #fff 0%, var(--mist) 100%);}
.course-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:start;}
@media (max-width:940px){.course-grid{grid-template-columns:1fr;}}
.price-row{display:flex; align-items:baseline; gap:12px; margin:18px 0 22px;}
.price-old{font-size:1.1rem; color:#999; text-decoration:line-through;}
.price-new{font-family:'Sora'; font-size:2.1rem; font-weight:700; color:var(--blue);}
.price-badge{background:var(--amber); color:#3A2600; font-size:.78rem; font-weight:700; padding:4px 10px; border-radius:999px;}
.course-meta{display:flex; flex-wrap:wrap; gap:14px; margin:22px 0;}
.meta-chip{
  display:flex; align-items:center; gap:8px; background:var(--mist);
  border-radius:999px; padding:9px 16px; font-size:.86rem; color:#333; font-weight:500;
}
.meta-chip svg{width:16px; height:16px; stroke:var(--blue); flex-shrink:0;}
.course-card{
  background:#fff; border:1px solid var(--line); border-radius:20px; padding:28px;
  box-shadow:0 24px 60px -24px rgba(27,63,224,.22); position:sticky; top:90px;
}
.course-card h4{margin-bottom:4px;}
.course-card .price-new{font-size:1.7rem;}
.unit-item{border-bottom:1px solid var(--line);}
.unit-item summary{
  cursor:pointer; padding:20px 4px; font-family:'Sora'; font-weight:600;
  font-size:1rem; list-style:none; display:flex; justify-content:space-between; gap:16px; align-items:center;
}
.unit-item summary::-webkit-details-marker{display:none;}
.unit-item summary::after{content:'+'; font-size:1.4rem; color:var(--blue); flex-shrink:0;}
.unit-item[open] summary::after{content:'–';}
.unit-item ul{margin:0 0 20px; padding:0 4px 0 20px; color:#444;}
.unit-item li{margin-bottom:8px; font-size:.94rem;}
.audience-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-top:32px;}
@media (max-width:800px){.audience-grid{grid-template-columns:1fr;}}
.audience-card{background:#fff; border:1px solid var(--line); border-radius:14px; padding:24px;}
.audience-card svg{width:28px; height:28px; stroke:var(--blue); margin-bottom:12px;}
.breadcrumb{font-size:.85rem; color:#666; margin-bottom:18px;}
.breadcrumb a{color:var(--blue); font-weight:600;}