:root{
    /* Paleta de marca Norteduc: teal-azul + naranjo (tomada del logo) */
    --navy:#0a2a44; --navy-2:#103a5c; --ink:#0a1a2b;
    --blue:#1a6ea3; --blue-2:#155a86; --teal:#2fa4ad; --cyan:#54c7cf;
    --orange:#f5871f; --orange-2:#e2760c; --amber:#ffa94a;
    --bg:#f5f8fb; --card:#ffffff; --muted:#5a6a80; --line:#e4ebf3;
    --radius:18px; --shadow:0 18px 50px -20px rgba(11,31,63,.35);
    --font:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{width:min(1180px,92%);margin-inline:auto}
  section{position:relative}
  h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
  .eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);background:rgba(47,107,255,.09);padding:.4rem .9rem;border-radius:100px;margin-bottom:1rem}
  .btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:.98rem;padding:.85rem 1.6rem;border-radius:100px;border:2px solid transparent;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s}
  .btn-primary{background:linear-gradient(120deg,var(--orange),var(--amber));color:#fff;box-shadow:0 12px 30px -10px rgba(245,135,31,.55)}
  .btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px -10px rgba(245,135,31,.7)}
  .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.25)}
  .btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-3px)}
  .btn-dark{background:var(--navy);color:#fff}
  .btn-dark:hover{transform:translateY(-3px);box-shadow:var(--shadow)}

  /* ============ NAVBAR ============ */
  header.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:.35s}
  header.nav .bar{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
  header.nav.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(14px);box-shadow:0 6px 24px -18px rgba(11,31,63,.5)}
  .logo{display:flex;align-items:center}
  .logo img{height:44px;width:auto;display:block;transition:.3s}
  .logo .logo-dark{display:none}
  header.nav.scrolled .logo .logo-light{display:none}
  header.nav.scrolled .logo .logo-dark{display:block}
  header.nav.scrolled nav.menu a{color:var(--ink)}
  nav.menu{display:flex;align-items:center;gap:1.25rem}
  nav.menu a{color:#fff;font-weight:600;font-size:.95rem;opacity:.92;transition:.2s}
  nav.menu a:hover{opacity:1;color:var(--cyan)}
  header.nav.scrolled nav.menu a:hover{color:var(--blue)}
  .hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:0}
  .hamburger span{width:26px;height:2px;background:#fff;transition:.3s}
  header.nav.scrolled .hamburger span{background:var(--ink)}

  /* ============ HERO ============ */
  .hero{background:linear-gradient(135deg,rgba(8,24,49,.94) 0%,rgba(14,42,85,.86) 45%,rgba(18,58,107,.78) 100%),url("https://www.norteduc.cl/wp-content/uploads/2025/07/2150969871.jpg") center/cover no-repeat fixed;color:#fff;padding:9.5rem 0 7rem;overflow:hidden}
  .hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;animation:float 14s ease-in-out infinite}
  .hero:before{width:520px;height:520px;background:radial-gradient(circle,rgba(56,224,214,.6),transparent 70%);top:-160px;right:-120px}
  .hero:after{width:460px;height:460px;background:radial-gradient(circle,rgba(47,107,255,.55),transparent 70%);bottom:-180px;left:-140px;animation-delay:-7s}
  @keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-30px)}}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center;position:relative;z-index:2}
  .hero h1{font-size:clamp(2.3rem,4.6vw,3.6rem);font-weight:800}
  .hero h1 span{background:linear-gradient(120deg,var(--orange),var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero p.lead{font-size:1.15rem;opacity:.9;margin:1.4rem 0 2rem;max-width:34rem}
  .hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
  .hero-badges{display:flex;gap:1.6rem;margin-top:2.4rem;flex-wrap:wrap}
  .hero-badges div{display:flex;align-items:center;gap:.5rem;font-size:.9rem;opacity:.85}
  .hero-badges b{color:var(--cyan)}
  .hero-visual{position:relative}
  .hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:1.4rem;backdrop-filter:blur(8px);box-shadow:0 30px 60px -25px rgba(0,0,0,.6)}
  .hero-card .row{display:flex;align-items:center;gap:.8rem;padding:.8rem 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .hero-card .row:last-child{border:0}
  .hero-card .dot{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:1.1rem;background:linear-gradient(135deg,var(--blue),var(--teal));flex:none}
  .hero-card small{opacity:.7;font-size:.8rem}
  .hero-card .val{margin-left:auto;font-weight:800;color:var(--cyan)}

  /* ============ STATS ============ */
  .stats{background:var(--navy);color:#fff;padding:2.4rem 0}
  .stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
  .stats .num{font-size:2.4rem;font-weight:800;background:linear-gradient(120deg,var(--cyan),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
  .stats small{opacity:.75;font-size:.9rem;letter-spacing:.03em}

  /* ============ SECTIONS ============ */
  .sec{padding:5.5rem 0;background-color:#f7fafc;
    background-image:
      radial-gradient(circle at 12% 16%,rgba(47,164,173,.08),transparent 42%),
      radial-gradient(circle at 88% 84%,rgba(245,135,31,.06),transparent 42%),
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='26' height='26'%3E%3Ccircle cx='1.6' cy='1.6' r='1.6' fill='%231a6ea3' fill-opacity='0.05'/%3E%3C/svg%3E");}
  .sec-head{text-align:center;max-width:44rem;margin:0 auto 3rem}
  .sec-head h2{font-size:clamp(1.8rem,3.2vw,2.5rem);font-weight:800}
  .sec-head p{color:var(--muted);margin-top:.8rem;font-size:1.05rem}

  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
  .card:before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--blue),var(--teal));transform:scaleX(0);transform-origin:left;transition:transform .35s}
  .card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
  .card:hover:before{transform:scaleX(1)}
  .card .ico{width:56px;height:56px;border-radius:15px;display:grid;place-items:center;font-size:1.6rem;background:linear-gradient(135deg,rgba(47,107,255,.12),rgba(18,200,189,.12));margin-bottom:1.1rem}
  .card h3{font-size:1.2rem;margin-bottom:.5rem}
  .card p{color:var(--muted);font-size:.96rem}
  .card .lnk{display:inline-flex;align-items:center;gap:.35rem;margin-top:1rem;font-weight:700;color:var(--blue);font-size:.9rem}
  .card .lnk svg{transition:transform .25s}
  .card:hover .lnk svg{transform:translateX(4px)}

  /* ============ WHY (features) ============ */
  .why{background:linear-gradient(180deg,#fff,#eef3fb)}
  .feats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
  .feat{text-align:center;padding:1.5rem}
  .feat .ring{width:70px;height:70px;margin:0 auto 1rem;border-radius:50%;display:grid;place-items:center;font-size:1.7rem;color:#fff;background:linear-gradient(135deg,var(--blue),var(--teal));box-shadow:0 14px 30px -12px rgba(47,107,255,.6)}
  .feat h4{font-size:1.1rem;margin-bottom:.3rem}
  .feat p{color:var(--muted);font-size:.92rem}

  /* ============ SPLIT feature ============ */
  .split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
  .split.rev .txt{order:2}
  .split .media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background:linear-gradient(135deg,var(--navy),var(--blue));display:grid;place-items:center;color:#fff;position:relative}
  .split .media img{width:100%;height:100%;object-fit:cover}
  .split .txt h2{font-size:clamp(1.6rem,2.8vw,2.2rem);font-weight:800;margin-bottom:1rem}
  .split .txt p{color:var(--muted);margin-bottom:1.3rem}
  .split ul{list-style:none;margin-bottom:1.6rem}
  .split ul li{display:flex;gap:.6rem;align-items:flex-start;margin-bottom:.6rem;color:#2b3a53}
  .split ul li:before{content:"✓";color:var(--teal);font-weight:800}

  /* ============ CURSOS (Validanet) ============ */
  .cursos{background:linear-gradient(135deg,#0e2a55,#123a6b);color:#fff;text-align:center;overflow:hidden}
  .cursos .glow{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(56,224,214,.3),transparent 70%);top:-200px;left:50%;transform:translateX(-50%);filter:blur(40px)}
  .cursos-inner{position:relative;z-index:2}
  .cursos h2{font-size:clamp(1.8rem,3.2vw,2.5rem);font-weight:800;max-width:40rem;margin:0 auto 1rem}
  .cursos p{opacity:.9;max-width:38rem;margin:0 auto 2rem}
  .cat-chips{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:center;margin-bottom:2.2rem}
  .cat-chips span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:.5rem 1.1rem;border-radius:100px;font-size:.88rem;font-weight:600}

  /* ============ BLOG ============ */
  .posts{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem}
  .post{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s}
  .post:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
  .post .thumb{aspect-ratio:16/10;background:linear-gradient(135deg,var(--blue),var(--teal))}
  .post .thumb img{width:100%;height:100%;object-fit:cover}
  .post .body{padding:1.2rem}
  .post h3{font-size:1.02rem;margin-bottom:.5rem}
  .post .lnk{color:var(--blue);font-weight:700;font-size:.85rem}

  /* ============ CLIENTES marquee ============ */
  .clients{padding:3.5rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
  .marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
  .track{display:flex;gap:3.5rem;align-items:center;width:max-content;animation:scroll 26s linear infinite}
  .track img{height:46px;width:auto;opacity:.6;filter:grayscale(1);transition:.3s}
  .track img:hover{opacity:1;filter:none}
  @keyframes scroll{to{transform:translateX(-50%)}}

  /* ============ CTA final ============ */
  .cta{background:linear-gradient(120deg,var(--blue),var(--teal));color:#fff;text-align:center;border-radius:26px;padding:3.5rem 2rem;box-shadow:var(--shadow)}
  .cta h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;margin-bottom:.7rem}
  .cta p{opacity:.92;margin-bottom:1.6rem}

  /* ============ FOOTER ============ */
  footer{background:var(--ink);color:#c7d3e6;padding:4rem 0 2rem;margin-top:0}
  .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem;margin-bottom:2.5rem}
  footer h4{color:#fff;font-size:1rem;margin-bottom:1rem}
  footer a{display:block;color:#a9b8d1;font-size:.92rem;padding:.28rem 0;transition:.2s}
  footer a:hover{color:var(--cyan);transform:translateX(3px)}
  footer .brand{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:.8rem}
  footer .brand b{color:var(--teal)}
  .news{display:flex;gap:.5rem;margin-top:.8rem}
  .news input{flex:1;padding:.7rem 1rem;border-radius:100px;border:1px solid #24324c;background:#131e33;color:#fff}
  .news button{padding:.7rem 1.2rem;border-radius:100px;border:0;background:linear-gradient(120deg,var(--blue),var(--teal));color:#fff;font-weight:700;cursor:pointer}
  .fbot{border-top:1px solid #1c2740;padding-top:1.5rem;text-align:center;font-size:.85rem;color:#7c8bab}

  /* ============ scroll reveal ============ */
  /* El contenido es visible por defecto; la animación solo se activa si hay JS
     (evita que el contenido quede invisible si el JS falla o está en caché viejo). */
  .js .reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
  .js .reveal.in{opacity:1;transform:none}

  /* ============ responsive ============ */
  @media(max-width:900px){
    .hero{background-attachment:scroll}
    .hero-grid,.split,.split.rev .txt{grid-template-columns:1fr;order:0}
    .hero-visual{display:none}
    .cards,.feats,.posts,.stats .grid{grid-template-columns:repeat(2,1fr)}
    .fgrid{grid-template-columns:1fr 1fr}
    nav.menu{position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;flex-direction:column;justify-content:center;background:var(--navy);transform:translateX(100%);transition:.35s;padding:2rem;gap:1.4rem}
    nav.menu.open{transform:none}
    nav.menu a{color:#fff!important;font-size:1.1rem}
    .hamburger{display:flex}
  }
  @media(max-width:560px){
    .cards,.feats,.posts,.stats .grid,.fgrid{grid-template-columns:1fr}
    .hero{padding:8rem 0 5rem}
  }

/* ============ PÁGINAS INTERIORES ============ */
.page-hero{background:linear-gradient(135deg,rgba(8,24,49,.96),rgba(18,58,107,.86)),url("https://www.norteduc.cl/wp-content/uploads/2025/07/2150969871.jpg") center/cover no-repeat;color:#fff;padding:8.5rem 0 4.5rem;text-align:center;overflow:hidden}
.page-hero:after{content:"";position:absolute;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(56,224,214,.35),transparent 70%);filter:blur(60px);top:-160px;right:-120px;animation:float 14s ease-in-out infinite}
.page-hero .inner{position:relative;z-index:2}
.crumb{font-size:.85rem;opacity:.8;margin-bottom:.9rem;letter-spacing:.02em}
.crumb a:hover{color:var(--cyan)}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800}
.page-hero .lead{max-width:42rem;margin:1.1rem auto 0;opacity:.92;font-size:1.12rem}
.prose{max-width:54rem;margin-inline:auto}
.prose h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;margin:2.4rem 0 .9rem}
.prose h3{font-size:1.2rem;margin:1.6rem 0 .5rem}
.prose p{color:#33425c;margin-bottom:1.1rem}
.prose ul{list-style:none;margin:0 0 1.4rem}
.prose ul li{position:relative;padding-left:1.7rem;margin-bottom:.6rem;color:#33425c}
.prose ul li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.4rem;margin-top:1rem}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;transition:transform .3s,box-shadow .3s}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.plan .price{font-size:2rem;font-weight:800;color:var(--blue);margin:.4rem 0}
.plan .price small{font-size:.85rem;color:var(--muted);font-weight:600}
.plan.feat{border:2px solid var(--orange);position:relative}
.plan.feat:before{content:"Popular";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-size:.72rem;font-weight:700;padding:.25rem .9rem;border-radius:100px}
.hlist{list-style:none;margin:0;padding:0}
.hlist li{padding:.35rem 0 .35rem 1.6rem;position:relative;font-size:.94rem;color:var(--muted)}
.hlist li:before{content:"\203A";position:absolute;left:0;color:var(--teal);font-weight:800}
.hlist code{background:rgba(47,107,255,.08);padding:.05rem .35rem;border-radius:5px;font-size:.85em}
.sec-bg{background-position:center;background-size:cover;background-repeat:no-repeat;background-attachment:fixed}
.sec-bg-servers{background-image:linear-gradient(rgba(245,248,251,.9),rgba(245,248,251,.92)),url('/assets/img/hosting-bg-servers.jpg')}
.sec-bg-network{background-image:linear-gradient(rgba(245,248,251,.86),rgba(245,248,251,.9)),url('/assets/img/hosting-bg-network.jpg')}
.sec-bg-aula1{background-image:linear-gradient(rgba(245,248,251,.9),rgba(245,248,251,.93)),url('/assets/img/aula-bg-workspace.jpg')}
.sec-bg-aula2{background-image:linear-gradient(rgba(245,248,251,.87),rgba(245,248,251,.91)),url('/assets/img/aula-bg-abstract.jpg')}
@media(max-width:760px){.sec-bg{background-attachment:scroll}}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.contact-info div{display:flex;gap:.8rem;align-items:flex-start;margin-bottom:1.3rem}
.contact-info .ci{width:44px;height:44px;border-radius:12px;flex:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;font-size:1.2rem}
.form-field{margin-bottom:1rem}
.form-field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.35rem}
.form-field input,.form-field textarea{width:100%;padding:.8rem 1rem;border:1px solid var(--line);border-radius:12px;font-family:inherit;font-size:.95rem}
.form-field input:focus,.form-field textarea:focus{outline:2px solid var(--blue);border-color:transparent}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr}}

/* ============ ARTÍCULOS DE BLOG ENRIQUECIDOS ============ */
.article-hero-img{width:100%;max-height:430px;object-fit:cover;border-radius:16px;box-shadow:var(--shadow);margin:0 0 2rem}
.toc{background:#f2f7fc;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:12px;padding:1.1rem 1.4rem;margin:0 0 2rem}
.toc h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);margin-bottom:.6rem}
.toc ol{margin:0;padding-left:1.2rem}
.toc li{margin-bottom:.32rem}
.toc a{color:#33425c;text-decoration:none}
.toc a:hover{color:var(--blue)}
.prose figure{margin:1.8rem 0}
.prose figure img{width:100%;border-radius:14px;box-shadow:var(--shadow)}
.prose figcaption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:.5rem}
.prose h2{scroll-margin-top:90px}
.prose table{width:100%;border-collapse:collapse;margin:1.7rem 0;font-size:.95rem;box-shadow:var(--shadow);border-radius:12px;overflow:hidden}
.prose thead th{background:linear-gradient(120deg,var(--blue),var(--teal));color:#fff;text-align:left;padding:.8rem 1rem;font-weight:700}
.prose tbody td{padding:.75rem 1rem;border-top:1px solid var(--line);vertical-align:top}
.prose tbody tr:nth-child(even){background:#f7fafc}
.tip{background:linear-gradient(135deg,#fff7ec,#fff);border:1px solid #ffe3bf;border-left:4px solid var(--orange);border-radius:12px;padding:1.1rem 1.3rem;margin:1.6rem 0}
.tip:before{content:"💡 Tip";display:block;font-weight:800;color:var(--orange-2);font-size:.85rem;margin-bottom:.35rem;letter-spacing:.02em}
.tip p:last-child{margin-bottom:0}
.related{border-top:1px solid var(--line);margin-top:3rem;padding-top:2rem}
.related h2{font-size:1.4rem;margin-bottom:1.2rem}
@media(max-width:600px){ .prose table{display:block;overflow-x:auto;white-space:nowrap} }

/* ============ FIRMA + IMÁGENES ANIMADAS ============ */
.page-hero .byline{opacity:.85;font-size:.9rem;margin-top:.7rem;color:#cfe0f0}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes zoomIn{from{transform:scale(1.06);opacity:.6}to{transform:scale(1);opacity:1}}
.split .media{animation:floatY 7s ease-in-out infinite}
.split.rev .media{animation-delay:-3.5s}
.article-hero-img{animation:zoomIn 1s ease both}
/* Ilustración animada reutilizable para páginas interiores */
.hero-illus{position:absolute;right:-40px;bottom:-30px;width:230px;opacity:.16;pointer-events:none;animation:floatY 8s ease-in-out infinite}
.hero-illus svg{width:100%;height:auto;display:block}
@media(max-width:760px){.hero-illus{display:none}}
@media(prefers-reduced-motion:reduce){.split .media,.article-hero-img,.hero-illus,.hero:before,.hero:after,.page-hero:after{animation:none!important}}

/* ============ CATÁLOGO DE CURSOS ============ */
.cat-filter{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;margin-bottom:2.2rem}
.cat-filter button{background:#fff;border:1.5px solid var(--line);color:#33425c;font-weight:700;font-size:.85rem;padding:.5rem 1.1rem;border-radius:100px;cursor:pointer;font-family:inherit;transition:.2s}
.cat-filter button:hover{border-color:var(--blue);color:var(--blue)}
.cat-filter button.on{background:linear-gradient(120deg,var(--blue),var(--teal));color:#fff;border-color:transparent}
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.4rem}
.course-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s;color:inherit}
.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.course-thumb{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,var(--blue),var(--teal));overflow:hidden}
.course-thumb img{width:100%;height:100%;object-fit:cover}
.course-cat{position:absolute;top:.7rem;left:.7rem;background:rgba(10,42,68,.85);color:#fff;font-size:.7rem;font-weight:700;padding:.25rem .7rem;border-radius:100px;backdrop-filter:blur(3px)}
.course-body{padding:1.05rem 1.15rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.course-body h3{font-size:1rem;line-height:1.3}
.course-price{margin-top:auto;font-size:1.15rem;font-weight:800;color:var(--blue)}
.course-price .old{color:var(--muted);font-weight:600;font-size:.85rem;text-decoration:line-through;margin-right:.45rem}
.course-price .free{color:var(--teal)}
.course-cta{color:var(--orange-2);font-weight:700;font-size:.85rem}
.course-card:hover .course-cta{text-decoration:underline}

/* ============ MENÚ DESPLEGABLE (Servicios) ============ */
.has-sub{position:relative;display:flex;align-items:center}
.sub-toggle{display:inline-flex;align-items:center;gap:.35rem;cursor:pointer}
.sub-toggle svg{width:12px;height:12px;transition:transform .25s}
.has-sub:hover .sub-toggle svg{transform:rotate(180deg)}
.submenu{position:absolute;top:calc(100% + 10px);left:0;min-width:270px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow);padding:.5rem;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s,transform .2s,visibility .2s;z-index:60}
.has-sub:hover .submenu{opacity:1;visibility:visible;transform:none}
.submenu:before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px} /* puente para el hover */
.submenu a{display:block;color:var(--ink)!important;opacity:1!important;padding:.6rem .85rem;border-radius:9px;
  font-size:.9rem;font-weight:600;line-height:1.3}
.submenu a:hover{background:#f2f7fc;color:var(--blue)!important}
@media(max-width:960px){
  .has-sub{display:block;width:100%}
  .sub-toggle{color:#fff}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:rgba(255,255,255,.06);
    padding:.3rem .3rem .3rem 1rem;margin-top:.5rem;min-width:0}
  .submenu:before{display:none}
  .submenu a{color:#dbe7f5!important;padding:.55rem .6rem;font-weight:500}
  .submenu a:hover{background:rgba(255,255,255,.1);color:#fff!important}
}

/* ============ MÁS COLOR EN LAS PÁGINAS ============ */
/* Fondos de sección con más presencia de marca (siguen claros y legibles) */
.sec{
  background-color:#eaf2fb;
  background-image:
    radial-gradient(700px 400px at 6% -10%, rgba(47,164,173,.20), transparent 60%),
    radial-gradient(640px 380px at 101% 4%, rgba(26,110,163,.16), transparent 58%),
    radial-gradient(600px 360px at 50% 114%, rgba(245,135,31,.13), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='26' height='26'%3E%3Ccircle cx='1.6' cy='1.6' r='1.6' fill='%231a6ea3' fill-opacity='0.06'/%3E%3C/svg%3E");
}
.why{background:linear-gradient(180deg,#e6f1fb,#d9e9f7) !important}
.cursos{background:linear-gradient(135deg,#0e2a55,#155a86,#12808a) !important}
/* Encabezados con color */
.sec-head h2{background:linear-gradient(120deg,var(--blue),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.prose h2{color:var(--blue-2)}
.prose h2:before{content:"";display:block;width:48px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--orange),var(--teal));margin-bottom:.7rem}
.prose h3{color:var(--navy)}
/* Eyebrow como pill de color */
.sec-head .eyebrow{color:#fff !important;background:linear-gradient(120deg,var(--blue),var(--teal)) !important}
/* Tarjetas/planes con acento de color superior */
.plan{border-top:3px solid var(--teal)}
.plan.feat{border-top:3px solid var(--orange)}
.card{border-top:3px solid transparent}
.card:hover{border-top-color:var(--teal)}