/* =====================================================================
   ANTONIO'S TEACHING — estilos.css
   Las variables de color/fuente se inyectan desde header.php (:root)
   ===================================================================== */

:root{
  --primario:#1C4880;
  --secundario:#AF2634;
  --acento:#2563EB;
  --oscuro:#10233F;
  --gris:#f5f7fb;
  --gris-borde:#e4e9f2;
  --texto:#3a4256;
  --blanco:#ffffff;
  --sombra:0 10px 30px rgba(28,72,128,.10);
  --sombra-fuerte:0 18px 50px rgba(28,72,128,.18);
  --radio:16px;
  --f-titulo:'Poppins',sans-serif;
  --f-texto:'Roboto',sans-serif;
  --cont:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-texto);
  color:var(--texto);
  background:var(--blanco);
  line-height:1.65;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:var(--f-titulo);color:var(--primario);line-height:1.2;font-weight:700}
a{color:inherit;text-decoration:none;transition:.25s}
img{max-width:100%;display:block}
.cont{max-width:var(--cont);margin:0 auto;padding:0 22px}
.text-center{text-align:center}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--f-titulo);font-weight:600;font-size:.95rem;
  padding:.8rem 1.6rem;border-radius:60px;border:2px solid transparent;
  cursor:pointer;transition:.25s;letter-spacing:.2px;white-space:nowrap;text-align:center;
}
.btn-primario{background:var(--secundario);color:#fff}
.btn-primario:hover{background:var(--primario);color:#fff;transform:translateY(-2px);box-shadow:var(--sombra)}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--primario)}
.btn-azul{background:var(--primario);color:#fff}
.btn-azul:hover{background:var(--acento);transform:translateY(-2px);box-shadow:var(--sombra)}
.btn-sm{padding:.55rem 1.1rem;font-size:.85rem}

/* ---------- Top bar ---------- */
.topbar{background:var(--oscuro);color:#dbe4f7;font-size:.82rem}
.topbar .cont{display:flex;justify-content:space-between;align-items:center;min-height:40px;flex-wrap:wrap;gap:.5rem}
.topbar a{color:#dbe4f7}
.topbar a:hover{color:var(--secundario)}
.topbar-info{display:flex;gap:1.4rem;flex-wrap:wrap}
.topbar-info span{display:inline-flex;align-items:center;gap:.4rem}
.topbar-right{display:flex;align-items:center;gap:1rem}
.lang-switch a{padding:.15rem .45rem;border-radius:4px;font-weight:600}
.lang-switch a.active{background:var(--secundario);color:#fff}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:900;background:#fff;box-shadow:0 2px 18px rgba(28,72,128,.08)}
.header .cont{display:flex;align-items:center;justify-content:space-between;min-height:80px;gap:1rem}
.logo img{height:64px;width:auto}
.nav{display:flex;align-items:center;gap:.1rem;flex-wrap:nowrap}
.nav a{
  font-family:var(--f-titulo);font-weight:500;color:var(--oscuro);
  padding:.55rem .62rem;border-radius:8px;font-size:.9rem;position:relative;white-space:nowrap;
}
.nav a:hover,.nav a.active{color:var(--primario);background:var(--gris)}
.header-cta{display:flex;align-items:center;gap:.6rem;flex-shrink:0}
.burger{display:none;background:none;border:0;font-size:1.6rem;color:var(--primario);cursor:pointer}
@media(min-width:993px) and (max-width:1150px){
  .nav a{padding:.5rem .5rem;font-size:.84rem}
  .logo img{height:58px}
}

/* ---------- Hero / Portada ---------- */
.hero{position:relative;overflow:hidden}
.slides{position:relative;height:min(78vh,620px)}
.slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1s ease;
  background-size:cover;background-position:center;display:flex;align-items:center;
}
.slide.active{opacity:1}
.slide::before{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,35,63,.88) 0%,rgba(28,72,128,.72) 45%,rgba(28,72,128,.25) 100%)}
.slide-content{position:relative;color:#fff;max-width:640px}
.slide-content h1{color:#fff;font-size:clamp(2rem,4.5vw,3.4rem);margin-bottom:1rem}
.slide-content p{font-size:1.15rem;margin-bottom:1.8rem;color:#eaf0fb}
.slide-badge{display:inline-block;background:var(--secundario);color:#fff;
  font-family:var(--f-titulo);font-weight:600;padding:.35rem 1rem;border-radius:50px;margin-bottom:1.1rem;font-size:.85rem}
.hero-dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:.6rem;z-index:5}
.hero-dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;transition:.25s}
.hero-dots button.active{background:var(--secundario);border-color:var(--secundario);width:34px;border-radius:8px}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;background:rgba(255,255,255,.2);
  border:0;color:#fff;width:48px;height:48px;border-radius:50%;font-size:1.4rem;cursor:pointer;transition:.25s}
.hero-arrow:hover{background:var(--secundario);color:#fff}
.hero-arrow.prev{left:18px}.hero-arrow.next{right:18px}

/* ---------- Secciones ---------- */
.seccion{padding:76px 0}
.seccion-head{text-align:center;max-width:720px;margin:0 auto 46px}
.seccion-head .kicker{font-family:var(--f-titulo);font-weight:600;letter-spacing:2px;
  text-transform:uppercase;font-size:.8rem;color:var(--secundario);display:block;margin-bottom:.6rem}
.seccion-head h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin-bottom:.7rem}
.seccion-head p{font-size:1.08rem;opacity:.92}

/* ---------- Grid cursos ---------- */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card-curso{background:#fff;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);
  border:1px solid var(--gris-borde);transition:.3s;display:flex;flex-direction:column}
.card-curso:hover{transform:translateY(-6px);box-shadow:var(--sombra-fuerte)}
.card-curso .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--gris)}
.card-curso .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card-curso:hover .thumb img{transform:scale(1.06)}
.thumb-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primario),var(--acento));color:#fff;font-family:var(--f-titulo);
  font-weight:700;font-size:2.6rem;letter-spacing:1px}
.badge-cat{position:absolute;top:12px;left:12px;background:#fff;color:var(--primario);
  font-family:var(--f-titulo);font-weight:600;font-size:.72rem;padding:.3rem .8rem;border-radius:50px;box-shadow:var(--sombra)}
.badge-estado{position:absolute;top:12px;right:12px;font-family:var(--f-titulo);font-weight:600;
  font-size:.7rem;padding:.3rem .75rem;border-radius:50px;color:#fff}
.badge-estado.abierto{background:#1a9d5a}
.badge-estado.cerrado{background:#b23b3b}
.card-curso .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-curso .body h3{font-size:1.18rem;margin-bottom:.5rem}
.card-curso .resumen{font-size:.92rem;color:var(--texto);margin-bottom:1rem;flex:1}
.card-meta{display:flex;flex-wrap:wrap;gap:.5rem 1rem;font-size:.8rem;color:#7a8399;margin-bottom:1.1rem}
.card-meta span{display:inline-flex;align-items:center;gap:.35rem}
.card-curso .footer-card{display:flex;align-items:center;justify-content:space-between;gap:.6rem}
.precio{font-family:var(--f-titulo);font-weight:700;color:var(--secundario);font-size:1.15rem}

/* ---------- Categorías ---------- */
.card-cat{background:#fff;border-radius:var(--radio);padding:34px 26px;text-align:center;
  border:1px solid var(--gris-borde);box-shadow:var(--sombra);transition:.3s;position:relative;overflow:hidden}
.card-cat::after{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--cat-color,var(--primario))}
.card-cat:hover{transform:translateY(-6px);box-shadow:var(--sombra-fuerte)}
.card-cat .ico{width:76px;height:76px;border-radius:20px;margin:0 auto 18px;display:flex;align-items:center;
  justify-content:center;font-size:2rem;color:#fff;background:var(--cat-color,var(--primario))}
.card-cat h3{font-size:1.25rem;margin-bottom:.5rem}
.card-cat p{font-size:.92rem}

/* ---------- Por qué ---------- */
.porque{position:relative}
.grid-why{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.why-item{text-align:center;padding:16px}
.why-item .ico{width:80px;height:80px;border-radius:24px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:2rem;color:var(--secundario)}
.why-item h3{color:#fff;font-size:1.15rem;margin-bottom:.5rem}
.why-item p{font-size:.92rem}

/* ---------- Noticias ---------- */
.card-noticia{background:#fff;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);
  border:1px solid var(--gris-borde);transition:.3s;display:flex;flex-direction:column}
.card-noticia:hover{transform:translateY(-5px);box-shadow:var(--sombra-fuerte)}
.card-noticia .thumb{aspect-ratio:16/9;overflow:hidden;position:relative;background:var(--gris)}
.card-noticia .thumb img{width:100%;height:100%;object-fit:cover}
.card-noticia .body{padding:20px 22px 24px}
.card-noticia .fecha{font-size:.8rem;color:var(--secundario);font-weight:600;font-family:var(--f-titulo)}
.card-noticia h3{font-size:1.12rem;margin:.4rem 0 .6rem}
.card-noticia p{font-size:.9rem}

/* ---------- Marcas ---------- */
.marcas-track{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:40px}
.marca{filter:grayscale(1);opacity:.7;transition:.3s;max-width:170px}
.marca:hover{filter:none;opacity:1;transform:scale(1.05)}
.marca img{max-height:70px;width:auto;margin:0 auto}

/* ---------- Flyers ---------- */
.grid-flyers{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.flyer{border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);position:relative;transition:.3s;background:#fff;border:1px solid var(--gris-borde)}
.flyer:hover{transform:translateY(-5px);box-shadow:var(--sombra-fuerte)}
.flyer img{width:100%;height:auto}
.flyer .cap{padding:14px 16px}
.flyer .cap h4{font-size:1rem;margin-bottom:.2rem}
.flyer .cap p{font-size:.82rem}

/* ---------- CTA band ---------- */
.cta-band{border-radius:0}
.cta-band .cont{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:.3rem}
.cta-band p{font-size:1.1rem}

/* ---------- Footer ---------- */
.footer{background:var(--oscuro);color:#c7d2e8;padding:64px 0 0}
.footer h4{color:#fff;font-size:1.05rem;margin-bottom:1.1rem;position:relative;padding-bottom:.6rem}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:38px;height:3px;background:var(--secundario);border-radius:3px}
.footer a{color:#c7d2e8;font-size:.92rem}
.footer a:hover{color:var(--secundario)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-logo img{height:64px;margin-bottom:1rem;background:#fff;padding:8px 12px;border-radius:12px}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.footer-contact li{display:flex;gap:.6rem;margin-bottom:.7rem;font-size:.9rem}
.footer-contact i{color:var(--secundario);margin-top:.2rem}
.social{display:flex;gap:.7rem;margin-top:1rem}
.social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;
  align-items:center;justify-content:center;font-size:1rem}
.social a:hover{background:var(--secundario);color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:22px 0;text-align:center;font-size:.85rem}

/* ---------- Page header (subpáginas) ---------- */
.page-head{background:linear-gradient(120deg,var(--oscuro),var(--primario));color:#fff;padding:64px 0 54px;text-align:center}
.page-head h1{color:#fff;font-size:clamp(1.8rem,3.5vw,2.8rem);margin-bottom:.5rem}
.breadcrumb{font-size:.85rem;color:#c7d2e8}
.breadcrumb a:hover{color:var(--secundario)}

/* ---------- Filtros ---------- */
.filtros{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;margin-bottom:40px}
.filtros a{padding:.5rem 1.2rem;border-radius:50px;background:#fff;border:1px solid var(--gris-borde);
  font-family:var(--f-titulo);font-weight:500;font-size:.9rem;color:var(--oscuro)}
.filtros a:hover,.filtros a.active{background:var(--primario);color:#fff;border-color:var(--primario)}

/* ---------- Detalle curso ---------- */
.curso-detalle{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}
.curso-body :is(h3){margin:1.4rem 0 .7rem;font-size:1.3rem}
.curso-body :is(p,ul){margin-bottom:1rem}
.curso-body ul{padding-left:1.3rem}
.curso-body li{margin-bottom:.4rem}
.curso-side{position:sticky;top:100px;background:#fff;border:1px solid var(--gris-borde);
  border-radius:var(--radio);box-shadow:var(--sombra);padding:26px;display:flex;flex-direction:column;gap:.5rem}
.curso-side .precio-big{font-size:2rem;color:var(--secundario);font-family:var(--f-titulo);font-weight:700}
.side-row{display:flex;justify-content:space-between;padding:.6rem 0;border-bottom:1px solid var(--gris-borde);font-size:.9rem}
.side-row span:first-child{color:#7a8399}
.side-row span:last-child{font-weight:600;color:var(--oscuro)}
.curso-hero-img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:var(--radio);margin-bottom:1.4rem}

/* ---------- Contacto ---------- */
.contacto-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.form-group{margin-bottom:1.1rem}
.form-group label{display:block;font-family:var(--f-titulo);font-weight:500;margin-bottom:.4rem;font-size:.9rem;color:var(--oscuro)}
.form-control{width:100%;padding:.8rem 1rem;border:1px solid var(--gris-borde);border-radius:10px;font-family:var(--f-texto);font-size:.95rem;transition:.2s}
.form-control:focus{outline:none;border-color:var(--acento);box-shadow:0 0 0 3px rgba(46,107,198,.15)}
textarea.form-control{min-height:140px;resize:vertical}
.info-box{background:var(--gris);border-radius:var(--radio);padding:30px}
.info-box li{list-style:none;display:flex;gap:.9rem;margin-bottom:1.3rem}
.info-box .ico{width:44px;height:44px;border-radius:12px;background:var(--primario);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;
  background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.9rem;
  box-shadow:0 8px 24px rgba(37,211,102,.5);z-index:800;transition:.25s}
.wa-float:hover{transform:scale(1.1)}

/* ---------- Alertas ---------- */
.alert{padding:.9rem 1.2rem;border-radius:10px;margin-bottom:1rem;font-size:.92rem}
.alert-ok{background:#e5f7ee;color:#1a7a44;border:1px solid #b7e6cd}
.alert-err{background:#fdeaea;color:#b23b3b;border:1px solid #f3c4c4}

.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:1150px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media(max-width:992px){
  /* Navegación → menú hamburguesa (tablet y móvil) */
  .nav{position:fixed;inset:80px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;
    padding:1rem;box-shadow:var(--sombra);transform:translateY(-185%);transition:.35s;gap:.2rem;
    max-height:calc(100vh - 80px);overflow-y:auto;border-top:1px solid var(--gris-borde)}
  .nav.open{transform:none}
  .nav a{padding:.9rem 1rem;font-size:1rem;white-space:normal}
  .burger{display:block}
  .header-cta .btn:not(.enroll-keep){display:none}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-why{grid-template-columns:repeat(2,1fr)}
  .curso-detalle{grid-template-columns:1fr}
  .curso-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contacto-grid{grid-template-columns:1fr}
}
@media(max-width:680px){
  .grid-3,.grid-2,.grid-4,.grid-why{grid-template-columns:1fr}
  .topbar-info{display:none}
  .topbar .cont{justify-content:center}
  .cta-band .cont{flex-direction:column;text-align:center}
  .page-head{padding:44px 0 38px}
  .seccion{padding:52px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .logo img{height:56px}
  .header .cont{min-height:70px}
  .nav{inset:70px 0 auto 0;max-height:calc(100vh - 70px)}
}
@media(max-width:520px){
  .slides{height:min(82vh,560px)}
  .slide-content h1{font-size:1.9rem}
  .slide-content .btn{width:100%;margin-bottom:.7rem}
  .btn{padding:.75rem 1.2rem}
}

/* =====================================================================
   MEJORAS VISUALES — "más vida" (aditivo, no altera lo anterior)
   ANTONIO'S TEACHING v1.1
   ===================================================================== */

/* Respaldo de imágenes que fallan (fotos externas) */
.img-fallback{object-fit:cover}

/* ---------- HERO con más profundidad ---------- */
.hero .slide::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(218,169,32,.22), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(46,107,198,.30), transparent 55%);
}
.hero .slide.no-img{
  background:
    linear-gradient(120deg,#0d1b33 0%,#1c4880 55%,#2563EB 100%);
}
.slide-content h1{text-shadow:0 4px 26px rgba(6,14,30,.35)}
.slide-content .slide-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:.4rem}
/* floaty decorativo */
.hero-floaties{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:2}
.hero-floaties span{position:absolute;border-radius:50%;opacity:.16;
  background:radial-gradient(circle at 30% 30%,#fff,rgba(255,255,255,0));animation:floaty 9s ease-in-out infinite}
.hero-floaties span:nth-child(1){width:120px;height:120px;top:18%;right:12%}
.hero-floaties span:nth-child(2){width:70px;height:70px;top:62%;right:26%;animation-delay:1.5s}
.hero-floaties span:nth-child(3){width:180px;height:180px;bottom:-40px;left:8%;animation-delay:.7s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-22px)}}

/* ---------- Cinta de confianza bajo el hero ---------- */
.trust-strip{background:var(--oscuro);color:#dbe4f7;padding:20px 0}
.trust-strip .cont{display:flex;flex-wrap:wrap;justify-content:center;gap:1.4rem 2.6rem;text-align:center}
.trust-strip .ts-item{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--f-titulo);font-size:.95rem}
.trust-strip .ts-item i{color:var(--secundario);font-size:1.15rem}

/* ---------- Foto de apoyo en cabeceras de sección ---------- */
.seccion-head .kicker.with-line{position:relative;display:inline-block}

/* ---------- Tarjetas de curso: foto con leve zoom (ya existe) + overlay ---------- */
.card-curso .thumb::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,28,56,0) 55%,rgba(15,28,56,.22) 100%)}

/* ---------- "Por qué" con imagen de fondo sutil ---------- */
.porque{position:relative;isolation:isolate;overflow:hidden}
.porque::before{content:"";position:absolute;inset:0;z-index:-2;
  background-image:var(--porque-img,none);background-size:cover;background-position:center;opacity:.16}
.porque::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(16,35,63,.94),rgba(28,72,128,.9))}
.why-item{transition:.3s}
.why-item:hover{transform:translateY(-6px)}
.why-item:hover .ico{background:var(--secundario);color:var(--oscuro)}

/* ---------- Sección MARCAS / CLIENTES rediseñada ---------- */
.clientes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:22px}
.cliente-card{background:#fff;border:1px solid var(--gris-borde);border-radius:var(--radio);
  padding:22px 18px 18px;text-align:center;box-shadow:var(--sombra);transition:.3s;
  display:flex;flex-direction:column;align-items:center;gap:.5rem;position:relative;overflow:hidden}
.cliente-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;
  background:linear-gradient(90deg,var(--primario),var(--acento),var(--secundario));
  transform:scaleX(0);transform-origin:left;transition:.35s}
.cliente-card:hover{transform:translateY(-6px);box-shadow:var(--sombra-fuerte);border-color:transparent}
.cliente-card:hover::before{transform:scaleX(1)}
.cliente-logo{height:96px;width:100%;display:flex;align-items:center;justify-content:center;
  background:#fff;border-radius:10px}
.cliente-logo img{max-height:92px;max-width:88%;width:auto;object-fit:contain;
  filter:grayscale(.35);transition:.3s}
.cliente-card:hover .cliente-logo img{filter:none;transform:scale(1.04)}
.cliente-nombre{font-family:var(--f-titulo);font-weight:600;color:var(--oscuro);font-size:.95rem;line-height:1.25}
.cliente-nota{font-size:.78rem;color:#6a7488;line-height:1.35}
.cliente-nota .destacado{color:var(--acento);font-weight:600}
.cliente-card .cliente-badge{position:absolute;top:10px;right:10px;background:var(--secundario);
  color:var(--oscuro);font-family:var(--f-titulo);font-weight:700;font-size:.62rem;
  padding:.15rem .5rem;border-radius:50px;letter-spacing:.3px}

/* ---------- CTA band con textura ---------- */
.cta-band{position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.12;
  background-image:radial-gradient(circle at 20% 30%,#fff 2px,transparent 2px);background-size:26px 26px}
.cta-band .cont{position:relative;z-index:1}

/* =====================================================================
   TEST DE NIVEL
   ===================================================================== */
.test-hero{position:relative;overflow:hidden;color:#fff;padding:70px 0 60px;
  background:linear-gradient(120deg,#0d1b33,#1C4880 60%,#2563EB)}
.test-hero::after{content:"";position:absolute;inset:0;opacity:.18;
  background-image:var(--test-img,none);background-size:cover;background-position:center;mix-blend-mode:luminosity}
.test-hero .cont{position:relative;z-index:1;max-width:820px}
.test-hero .badge-free{display:inline-block;background:var(--secundario);color:var(--oscuro);
  font-family:var(--f-titulo);font-weight:700;padding:.35rem 1rem;border-radius:50px;font-size:.82rem;margin-bottom:1rem}
.test-hero h1{color:#fff;font-size:clamp(1.9rem,4vw,3rem);margin-bottom:.6rem}
.test-hero p{font-size:1.12rem;color:#e8eefb;max-width:680px}
.test-facts{display:flex;flex-wrap:wrap;gap:1.6rem;margin-top:1.6rem}
.test-facts .tf{display:flex;flex-direction:column}
.test-facts .tf b{font-family:var(--f-titulo);font-size:1.7rem;color:var(--secundario);line-height:1}
.test-facts .tf span{font-size:.82rem;color:#cdd8ef;text-transform:uppercase;letter-spacing:1px}

.test-wrap{max-width:860px;margin:0 auto}
.test-datos{background:#fff;border:1px solid var(--gris-borde);border-radius:var(--radio);
  box-shadow:var(--sombra);padding:26px;margin-bottom:26px}
.test-datos h3{margin-bottom:1rem;font-size:1.2rem}
.test-datos .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}

.test-progress{position:sticky;top:92px;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border:1px solid var(--gris-borde);border-radius:50px;
  padding:.55rem 1rem;box-shadow:var(--sombra);display:flex;align-items:center;gap:.9rem;margin-bottom:24px}
.test-progress .bar{flex:1;height:9px;background:#e9eef7;border-radius:50px;overflow:hidden}
.test-progress .bar > span{display:block;height:100%;width:0;border-radius:50px;
  background:linear-gradient(90deg,var(--acento),var(--secundario));transition:width .3s}
.test-progress .pt{font-family:var(--f-titulo);font-weight:600;font-size:.85rem;color:var(--primario);white-space:nowrap}

.ejercicio{background:#fff;border:1px solid var(--gris-borde);border-radius:var(--radio);
  box-shadow:var(--sombra);padding:26px;margin-bottom:22px}
.ejercicio > h3{font-size:1.25rem;margin-bottom:.2rem}
.ejercicio .instr{color:#6a7488;font-size:.92rem;margin-bottom:.4rem}
.banco{display:flex;flex-wrap:wrap;gap:.5rem;margin:.6rem 0 1.2rem}
.banco span{background:var(--gris);border:1px solid var(--gris-borde);border-radius:50px;
  padding:.25rem .8rem;font-size:.82rem;color:var(--primario);font-family:var(--f-titulo);font-weight:500}
.pregunta{padding:16px 0;border-top:1px dashed var(--gris-borde)}
.pregunta:first-of-type{border-top:0}
.pregunta .q{display:flex;gap:.6rem;margin-bottom:.8rem;font-weight:500;color:var(--oscuro)}
.pregunta .q .num{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--primario);
  color:#fff;font-family:var(--f-titulo);font-size:.82rem;display:flex;align-items:center;justify-content:center}
.opciones{display:grid;gap:.5rem;padding-left:2.2rem}
.opcion{display:flex;align-items:center;gap:.7rem;border:1px solid var(--gris-borde);border-radius:10px;
  padding:.6rem .9rem;cursor:pointer;transition:.18s;background:#fff}
.opcion:hover{border-color:var(--acento);background:#f7faff}
.opcion input{accent-color:var(--primario);width:18px;height:18px;flex-shrink:0}
.opcion .letra{font-family:var(--f-titulo);font-weight:700;color:var(--acento);width:1.1rem}
.opcion.sel{border-color:var(--primario);background:#eef3fc;box-shadow:0 0 0 3px rgba(28,72,128,.08)}
.pregunta .resp-line{padding-left:2.2rem}
.pregunta input[type=text],.pregunta select{width:100%;max-width:340px;padding:.6rem .9rem;
  border:1px solid var(--gris-borde);border-radius:10px;font-family:var(--f-texto);font-size:.95rem}
.pregunta input[type=text]:focus,.pregunta select:focus{outline:none;border-color:var(--acento);
  box-shadow:0 0 0 3px rgba(46,107,198,.15)}
.test-submit-bar{position:sticky;bottom:0;background:linear-gradient(0deg,#fff 70%,rgba(255,255,255,0));
  padding:18px 0 8px;text-align:center}

/* Resultado del test */
.test-result{max-width:640px;margin:0 auto;text-align:center;background:#fff;border-radius:20px;
  box-shadow:var(--sombra-fuerte);padding:44px 34px;border:1px solid var(--gris-borde)}
.test-result .check{width:88px;height:88px;border-radius:50%;margin:0 auto 1.2rem;
  background:linear-gradient(135deg,#1a9d5a,#39c07a);color:#fff;display:flex;align-items:center;
  justify-content:center;font-size:2.6rem;box-shadow:0 12px 30px rgba(26,157,90,.35)}
.test-result h1{font-size:1.7rem;margin-bottom:.6rem}
.test-result .lead{color:#5a6478;margin-bottom:1.6rem}
.nivel-box{display:inline-flex;flex-direction:column;gap:.2rem;background:var(--gris);
  border:2px dashed var(--acento);border-radius:16px;padding:18px 34px;margin-bottom:1rem}
.nivel-box .lvl{font-family:var(--f-titulo);font-weight:800;font-size:3rem;color:var(--primario);line-height:1}
.nivel-box .sc{font-size:.9rem;color:#6a7488}
.nivel-desc{color:#5a6478;font-size:.95rem;max-width:440px;margin:.4rem auto 1.4rem}
.test-result .note{font-size:.82rem;color:#8a93a6;margin-top:1.4rem}
.test-result .acts{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}

@media(max-width:768px){
  .test-datos .grid3{grid-template-columns:1fr}
  .test-progress{top:78px}
  .opciones{padding-left:0}
  .pregunta .resp-line{padding-left:0}
}

/* =====================================================================
   CURSOS REGULARES — Escalera de niveles MCER/CEFR (rebranding v2)
   ===================================================================== */
.niveles-ladder{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));
  gap:20px;margin-top:14px;
}
.nivel-step{
  position:relative;display:flex;flex-direction:column;gap:.55rem;
  background:var(--blanco);border:1px solid var(--gris-borde);
  border-top:5px solid var(--niv-color,var(--primario));
  border-radius:var(--radio);padding:22px 20px;box-shadow:var(--sombra);
  transition:.28s;overflow:hidden;
}
.nivel-step::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:110px;height:110px;
  border-radius:50%;background:var(--niv-color,var(--primario));opacity:.06;
}
.nivel-step:hover{transform:translateY(-6px);box-shadow:var(--sombra-fuerte);border-top-width:8px}
.nivel-step h3{color:var(--oscuro);font-size:1.12rem;margin:0}
.nivel-step p{font-size:.9rem;color:#5a6478;margin:0;flex:1}
.nivel-step-top{display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.nivel-step-link{
  font-family:var(--f-titulo);font-weight:600;font-size:.85rem;color:var(--niv-color,var(--primario));
  display:inline-flex;align-items:center;gap:.4rem;margin-top:.3rem;
}
.nivel-code{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:52px;height:38px;padding:0 12px;border-radius:10px;
  background:var(--niv-color,var(--primario));color:#fff;
  font-family:var(--f-titulo);font-weight:700;font-size:1.05rem;letter-spacing:.5px;
}
.nivel-code.lg{min-width:82px;height:82px;font-size:1.9rem;border-radius:18px;flex-shrink:0}
.nivel-band{
  display:inline-block;font-family:var(--f-titulo);font-weight:600;font-size:.72rem;
  text-transform:uppercase;letter-spacing:.6px;color:var(--niv-color,var(--primario));
  background:color-mix(in srgb,var(--niv-color,var(--primario)) 12%,transparent);
  padding:.28rem .6rem;border-radius:30px;
}

/* Bloque de cada nivel con sus cursos */
.nivel-bloque{scroll-margin-top:110px}
.nivel-bloque-head{
  display:flex;gap:22px;align-items:flex-start;margin-bottom:30px;
  border-left:5px solid var(--niv-color,var(--primario));padding-left:20px;
}
.nivel-bloque-head h2{font-size:clamp(1.5rem,3vw,2rem)}
.nivel-vacio{
  text-align:center;padding:42px 20px;border:2px dashed var(--gris-borde);
  border-radius:var(--radio);color:#7a8399;background:var(--blanco);
}
.nivel-vacio i{font-size:2rem;color:var(--niv-color,var(--primario));display:block;margin-bottom:.6rem}
.nivel-vacio p{margin-bottom:1rem;font-size:.98rem}

/* Callout del nivel dentro del detalle de curso */
.nivel-callout{
  display:flex;gap:18px;align-items:flex-start;
  background:color-mix(in srgb,var(--niv-color,var(--primario)) 6%,var(--blanco));
  border:1px solid var(--gris-borde);border-left:5px solid var(--niv-color,var(--primario));
  border-radius:14px;padding:18px 20px;margin:18px 0 24px;
}
.nivel-callout-code{
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  width:58px;height:58px;border-radius:14px;background:var(--niv-color,var(--primario));
  color:#fff;font-family:var(--f-titulo);font-weight:700;font-size:1.35rem;
}
.nivel-callout strong{font-family:var(--f-titulo);color:var(--oscuro);font-size:1.05rem}
.nivel-callout .nivel-band{margin-left:.5rem;vertical-align:middle}
.nivel-callout p{margin:.4rem 0 0;color:#5a6478;font-size:.94rem}

@media(max-width:560px){
  .nivel-bloque-head{flex-direction:column;gap:14px}
  .nivel-code.lg{width:66px;height:66px;font-size:1.5rem}
}