/* =========================================================================
   AELE · Sección de cursos
   ========================================================================= */

/* ---------- Héroes (catálogo y ficha) ---------- */
.cursos-hero, .curso-hero { color: #fff; position: relative; overflow: hidden; isolation: isolate; background: var(--rev, var(--azul)); }
.cursos-hero__inner { display: grid; grid-template-columns: 1.4fr .9fr; gap: 48px; align-items: center; padding: 72px 0 64px; position: relative; z-index: 2; }
.cursos-hero h1, .curso-hero h1 { color: #fff; font-size: clamp(2.2rem, 4.6vw, 3.8rem); line-height: 1.02; letter-spacing: -.02em; margin: 10px 0 16px; max-width: 16ch; }
.cursos-hero__lead { font-size: 1.12rem; color: rgba(255,255,255,.85); max-width: 600px; margin: 0 0 26px; }
.cursos-buscar { position: relative; max-width: 560px; margin: 0 0 30px; }
.cursos-buscar input { width: 100%; padding: 16px 130px 16px 20px; border: 0; border-radius: 999px; font: inherit; font-size: 1rem; box-shadow: 0 14px 30px rgba(0,0,0,.25); }
.cursos-buscar input:focus { outline: 3px solid var(--dorado); }
.cursos-buscar__n { position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--gris-texto); font-size: .85rem; }

.proximo { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 28px; border-radius: 16px; color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(10px); box-shadow: var(--sombra-objeto); border-top: 5px solid var(--rev); transition: transform .4s cubic-bezier(.2,.8,.2,1), background .3s; }
.proximo:hover { text-decoration: none; transform: translateY(-4px); background: rgba(255,255,255,.13); }
.proximo__k { font: 700 .8rem var(--f-titulo); color: var(--dorado); }
.proximo__t { font: 800 1.35rem/1.2 var(--f-titulo); }
.proximo__f { color: rgba(255,255,255,.78); font-size: .92rem; }
.proximo__cta { margin-top: 6px; font: 700 .9rem var(--f-titulo); border-bottom: 2px solid var(--dorado); align-self: flex-start; }

/* Cuenta regresiva */
.cuenta-atras { display: flex; gap: 8px; margin: 8px 0 4px; }
.cuenta-atras__u { flex: 1; min-width: 0; text-align: center; background: var(--gris-suave); border: 1px solid var(--gris-linea); border-radius: 8px; padding: 8px 4px 6px; }
.cuenta-atras__u b { display: block; font: 800 1.45rem/1 var(--f-titulo); color: var(--azul); font-variant-numeric: tabular-nums; }
.cuenta-atras__u small { font-size: .66rem; color: var(--gris-texto); }
.cuenta-atras--claro .cuenta-atras__u { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.16); }
.cuenta-atras--claro .cuenta-atras__u b { color: #fff; }
.cuenta-atras--claro .cuenta-atras__u small { color: rgba(255,255,255,.7); }

/* ---------- Barra de filtros ---------- */
.filtros-bar { position: sticky; top: 82px; z-index: 30; background: rgba(255,255,255,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--gris-linea); transition: top .3s, box-shadow .3s; }
body:has(.header.is-compacta) .filtros-bar { top: 64px; }
.filtros-bar__inner { display: flex; align-items: center; gap: 14px; padding: 12px 0; flex-wrap: wrap; }
.filtros-bar__der { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; border-radius: 999px; border: 1.5px solid var(--gris-linea); background: #fff; color: var(--tinta); font: 700 .82rem var(--f-titulo); cursor: pointer; transition: all .2s; }
.chip:hover { border-color: var(--rev, var(--azul)); }
.chip.is-on { background: var(--rev, var(--azul)); border-color: var(--rev, var(--azul)); color: #fff; }
.chip__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--rev); }
.chip.is-on .chip__dot { background: #fff; }
.sel select { appearance: none; padding: 8px 32px 8px 14px; border-radius: 999px; border: 1.5px solid var(--gris-linea); font: 600 .85rem var(--f-texto); background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10'%3E%3Cpath d='M1 3l4 4 4-4' fill='none' stroke='%2301356E' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 12px center; color: var(--tinta); cursor: pointer; }
@media (max-width: 980px) { .filtros-bar { position: static; } .filtros-bar__der { margin-left: 0; } .cursos-hero__inner { grid-template-columns: 1fr; } }

/* ---------- Tarjetas de curso ---------- */
.cursos-lista { padding-top: 40px; }
.cursos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 1100px) { .cursos-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cursos-grid { grid-template-columns: 1fr; } }
.curso { display: flex; flex-direction: column; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: 0 1px 0 var(--gris-linea), 0 12px 30px rgba(1,53,110,.08); transition: transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s, opacity .3s; }
.curso:hover { transform: translateY(-6px); box-shadow: 0 1px 0 var(--gris-linea), 0 26px 50px rgba(1,53,110,.16); }
.curso.is-oculto { display: none; }
.curso__img { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; isolation: isolate; background: var(--rev); }
.curso__img::before { content: ""; position: absolute; inset: 0; background: var(--foto) center/cover; filter: grayscale(1) contrast(1.1); mix-blend-mode: luminosity; opacity: .9; transition: transform .8s cubic-bezier(.2,.8,.2,1); }
.curso__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, color-mix(in srgb, var(--rev) 30%, transparent), var(--rev) 92%); }
.curso:hover .curso__img::before { transform: scale(1.07); }
.curso__badges { position: absolute; left: 14px; top: 14px; display: flex; gap: 6px; z-index: 2; flex-wrap: wrap; }
.curso__badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font: 700 .72rem var(--f-titulo); background: rgba(255,255,255,.95); color: var(--azul); }
.curso__badge--vivo { background: var(--rojo); color: #fff; }
.curso__badge--grabado { background: var(--azul-profundo); color: #fff; }
.curso__badge--claro { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.3); }
.curso__fecha { position: absolute; right: 14px; bottom: 12px; z-index: 2; color: #fff; text-align: center; font: 700 .72rem var(--f-titulo); letter-spacing: .08em; line-height: 1; }
.curso__fecha strong { display: block; font-size: 2.2rem; letter-spacing: -.02em; }
.curso__cuerpo { display: flex; flex-direction: column; gap: 10px; padding: 18px 20px 20px; flex: 1; }
.curso__meta { display: flex; gap: 10px; font-size: .78rem; color: var(--rev); font-weight: 700; flex-wrap: wrap; }
.curso__meta span + span::before { content: "·"; margin-right: 10px; color: var(--gris-texto); }
.curso__titulo { font-size: 1.12rem; line-height: 1.25; margin: 0; }
.curso__titulo a { color: var(--tinta); }
.curso__titulo a:hover { color: var(--rev); text-decoration: none; }
.curso__datos { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; font-size: .88rem; color: var(--gris-texto); }
.curso__cupos { height: 6px; background: var(--gris-suave); border-radius: 99px; overflow: hidden; margin-top: 4px; }
.curso__cupos span { display: block; height: 100%; background: linear-gradient(90deg, var(--dorado), var(--rojo)); border-radius: 99px; transition: width 1.2s cubic-bezier(.2,.8,.2,1); }
.curso__cupos--lg { height: 8px; margin-top: 16px; }
.curso__quedan { margin: 0; font-size: .8rem; color: var(--gris-texto); }
.curso__quedan b { color: var(--rojo); }
.curso__pie { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--gris-linea); }
.curso__precio strong { font: 800 1.45rem/1 var(--f-titulo); color: var(--azul); }
.curso__precio del { margin-left: 6px; color: var(--gris-texto); font-size: .82rem; }
.curso__precio span { display: block; font-size: .72rem; color: var(--rojo); font-weight: 700; margin-top: 3px; }
.cursos-vacio { text-align: center; padding: 40px; background: #fff; border-radius: 14px; }

/* ---------- Pasos ---------- */
.pasos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: paso; position: relative; }
.pasos::before { content: ""; position: absolute; left: 6%; right: 6%; top: 22px; height: 2px; background: repeating-linear-gradient(90deg, var(--dorado) 0 8px, transparent 8px 14px); }
.pasos li { position: relative; padding: 64px 18px 0; counter-increment: paso; }
.pasos li::before { content: counter(paso); position: absolute; left: 18px; top: 0; width: 46px; height: 46px; border-radius: 50%; background: var(--azul); color: #fff; display: grid; place-items: center; font: 800 1.1rem var(--f-titulo); box-shadow: 0 0 0 6px #fff; }
.pasos h3 { margin: 0 0 6px; }
.pasos p { color: var(--gris-texto); margin: 0; font-size: .95rem; }
@media (max-width: 900px) { .pasos { grid-template-columns: 1fr 1fr; row-gap: 30px; } .pasos::before { display: none; } }
@media (max-width: 520px) { .pasos { grid-template-columns: 1fr; } }

/* ---------- Calendario ---------- */
.cal { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.cal__mes h3 { font-size: 1.4rem; margin: 0 0 10px; }
.cal__mes h3 small { color: var(--gris-texto); font-weight: 600; font-size: .9rem; }
.cal__mes ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.cal__mes a { display: flex; gap: 14px; align-items: center; background: #fff; border-radius: 10px; padding: 10px 14px; border-left: 4px solid var(--rev); color: var(--tinta); box-shadow: 0 4px 14px rgba(1,53,110,.06); transition: transform .3s; }
.cal__mes a:hover { transform: translateX(4px); text-decoration: none; }
.cal__dia { text-align: center; font-size: .7rem; color: var(--gris-texto); text-transform: capitalize; min-width: 38px; }
.cal__dia b { display: block; font: 800 1.5rem/1 var(--f-titulo); color: var(--rev); }
.cal__t { font-weight: 700; font-size: .95rem; line-height: 1.3; }
.cal__t small { display: block; font-weight: 400; color: var(--gris-texto); font-size: .8rem; }

/* ---------- Docentes ---------- */
.docentes { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.docentes--fila { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .docentes, .docentes--fila { grid-template-columns: 1fr; } }
.docente { display: flex; gap: 16px; align-items: flex-start; background: #fff; border-radius: 14px; padding: 18px; border: 1px solid var(--gris-linea); }
.docente__foto { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: none; filter: grayscale(1); }
.docente__foto--vacia { display: grid; place-items: center; background: var(--rev, var(--azul)); filter: none; }
.docente__foto--vacia img { width: 30px; }
.docente h3 { font-size: 1rem; margin: 2px 0 2px; }
.docente__cargo { margin: 0; font-size: .85rem; color: var(--rev, var(--azul)); font-weight: 600; }
.docente__bio { margin: 8px 0 0; font-size: .88rem; color: var(--gris-texto); }

/* ---------- Ficha del curso ---------- */
.curso-hero .container { position: relative; z-index: 2; }
.curso-hero__inner { padding: 64px 0 56px; }
.curso-hero__txt { max-width: 760px; }
.curso-hero h1 { max-width: 22ch; font-size: clamp(2rem, 4vw, 3.2rem); }
.curso-hero__badges { display: flex; gap: 6px; flex-wrap: wrap; }
.curso-hero__lead { font-size: 1.1rem; color: rgba(255,255,255,.85); margin: 0 0 26px; max-width: 640px; }
.curso-hero__datos { display: grid; grid-template-columns: repeat(4, auto); gap: 14px 36px; margin: 0; justify-content: start; }
.curso-hero__datos dt { font-size: .75rem; color: var(--dorado); font-weight: 700; }
.curso-hero__datos dd { margin: 2px 0 0; font: 700 .98rem var(--f-titulo); }
@media (max-width: 700px) { .curso-hero__datos { grid-template-columns: 1fr 1fr; } }

.curso-tabs { position: sticky; top: 82px; z-index: 30; background: #fff; border-bottom: 1px solid var(--gris-linea); transition: top .3s; }
body:has(.header.is-compacta) .curso-tabs { top: 64px; }
.curso-tabs__inner { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.curso-tabs a { padding: 16px 16px 14px; font: 700 .9rem var(--f-titulo); color: var(--gris-texto); border-bottom: 3px solid transparent; white-space: nowrap; }
.curso-tabs a:hover { color: var(--azul); text-decoration: none; }
.curso-tabs a.is-on { color: var(--azul); border-bottom-color: var(--dorado); }

.curso-grid { display: grid; grid-template-columns: 1fr 360px; gap: 48px; align-items: start; }
@media (max-width: 1000px) { .curso-grid { grid-template-columns: 1fr; } }
.curso-bloque { padding: 6px 0 40px; scroll-margin-top: 160px; }
.curso-bloque + .curso-bloque { border-top: 1px solid var(--gris-linea); padding-top: 40px; }
.curso-bloque h2 { font-size: 1.7rem; }
.curso-bloque__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.curso-expandir { background: none; border: 0; color: var(--azul); font: 700 .85rem var(--f-titulo); cursor: pointer; border-bottom: 2px solid var(--dorado); padding: 0 0 2px; }
.logros { list-style: none; padding: 0; margin: 0 0 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
.logros li { position: relative; padding-left: 30px; }
.logros li::before { content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--rev); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/70% no-repeat, linear-gradient(#000,#000); -webkit-mask-composite: xor; mask-composite: exclude; }
@media (max-width: 640px) { .logros { grid-template-columns: 1fr; } }
.curso-dos { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 18px; }
.curso-dos > div { background: var(--gris-suave); border-radius: 12px; padding: 18px 20px; }
.curso-dos h3 { font-size: 1rem; margin: 0 0 6px; }
.curso-dos p { margin: 0; color: var(--gris-texto); }
@media (max-width: 640px) { .curso-dos { grid-template-columns: 1fr; } }

.temario2 { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.temario2__item details { background: #fff; border: 1px solid var(--gris-linea); border-radius: 12px; overflow: hidden; transition: box-shadow .3s; }
.temario2__item details[open] { box-shadow: 0 10px 26px rgba(1,53,110,.08); border-color: color-mix(in srgb, var(--rev) 35%, var(--gris-linea)); }
.temario2 summary { display: flex; align-items: center; gap: 16px; padding: 16px 20px; cursor: pointer; list-style: none; }
.temario2 summary::-webkit-details-marker { display: none; }
.temario2 summary::after { content: ""; width: 10px; height: 10px; border-right: 2px solid var(--azul); border-bottom: 2px solid var(--azul); transform: rotate(45deg); margin-left: 8px; transition: transform .3s; flex: none; }
.temario2 details[open] summary::after { transform: rotate(-135deg); }
.temario2__n { font: 800 1.1rem var(--f-titulo); color: var(--dorado); min-width: 26px; }
.temario2__t { font-weight: 700; flex: 1; }
.temario2__k { font-size: .78rem; color: var(--gris-texto); white-space: nowrap; }
.temario2 ul { margin: 0; padding: 0 20px 18px 62px; color: var(--gris-texto); display: grid; gap: 4px; }

.cert-prev { display: grid; grid-template-columns: 320px 1fr; gap: 28px; align-items: center; }
@media (max-width: 700px) { .cert-prev { grid-template-columns: 1fr; } }
.cert-prev__hoja { position: relative; aspect-ratio: 297 / 210; background: #fff; border: 1px solid var(--gris-linea); box-shadow: 0 18px 40px rgba(1,53,110,.15); padding: 7% 8%; overflow: hidden; display: flex; flex-direction: column; gap: 3px; transform: rotate(-2deg); transition: transform .5s cubic-bezier(.2,.8,.2,1); }
.cert-prev:hover .cert-prev__hoja { transform: rotate(0) scale(1.03); }
.cert-prev__hoja::before { content: ""; position: absolute; inset: 4%; border: 1px solid var(--azul); pointer-events: none; }
.cert-prev__logo { width: 22%; margin-bottom: 6%; }
.cert-prev__rev { position: absolute; right: 12%; top: 9%; width: 26%; }
.cert-prev__k { font: 700 .45rem var(--f-titulo); letter-spacing: .2em; color: var(--dorado); text-transform: uppercase; }
.cert-prev__h { font: 800 .82rem var(--f-titulo); color: var(--azul); }
.cert-prev__n { font: 800 1rem var(--f-titulo); color: var(--rev, var(--azul)); border-bottom: 1px solid var(--dorado); align-self: flex-start; margin: 4% 0 2%; }
.cert-prev__p { font-size: .55rem; color: var(--gris-texto); max-width: 70%; }
.cert-prev__c { position: absolute; right: 14%; bottom: 10%; font: 700 .5rem var(--f-titulo); color: var(--azul); }
.cert-prev__franja { position: absolute; right: -6%; bottom: -20%; width: 9%; height: 90%; background: var(--dorado); transform: rotate(32deg); }

.faq { display: grid; gap: 10px; }
.faq details { background: #fff; border: 1px solid var(--gris-linea); border-radius: 12px; padding: 0 20px; }
.faq summary { padding: 16px 0; cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 14px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 1.5rem/1 var(--f-titulo); color: var(--dorado); transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 18px; color: var(--gris-texto); }

/* Caja de compra */
.curso-compra { position: sticky; top: 272px; z-index: 35; }
.curso-compra__caja { background: #fff; border-radius: 16px; padding: 24px; box-shadow: 0 1px 0 var(--gris-linea), 0 24px 50px rgba(1,53,110,.14); border-top: 5px solid var(--rev); margin-top: -140px; position: relative; z-index: 5; }
@media (max-width: 1000px) { .curso-compra { position: static; order: -1; } .curso-compra__caja { margin-top: -40px; } }
.curso-compra__precio { display: flex; align-items: baseline; gap: 10px; }
.curso-compra__precio strong { font: 800 2.4rem/1 var(--f-titulo); color: var(--azul); }
.curso-compra__precio del { color: var(--gris-texto); }
.curso-compra__pronto { margin: 6px 0 0; color: var(--rojo); font-weight: 700; font-size: .88rem; }
.curso-compra__btn { width: 100%; margin-top: 12px; }
.curso-compra__incluye { list-style: none; padding: 16px 0 0; margin: 16px 0 0; border-top: 1px solid var(--gris-linea); display: grid; gap: 7px; font-size: .9rem; }
.curso-compra__incluye li { padding-left: 22px; position: relative; }
.curso-compra__incluye li::before { content: "✓"; position: absolute; left: 0; color: var(--rev); font-weight: 800; }
.curso-compra__compartir { margin-top: 14px; width: 100%; background: none; border: 0; color: var(--azul); font: 700 .85rem var(--f-titulo); cursor: pointer; }
.curso-compra__compartir:hover { text-decoration: underline; }

/* Barra fija de compra en móvil */
.curso-barra { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: none; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; background: #fff; box-shadow: 0 -8px 24px rgba(1,53,110,.15); transform: translateY(110%); transition: transform .4s cubic-bezier(.2,.8,.2,1); }
.curso-barra.is-on { transform: none; }
.curso-barra b { display: block; font: 800 1.2rem var(--f-titulo); color: var(--azul); }
.curso-barra span { font-size: .78rem; color: var(--gris-texto); }
@media (max-width: 1000px) { .curso-barra { display: flex; } }

.curso-corp { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; background: #fff; border-radius: 18px; padding: 40px; box-shadow: var(--sombra); border-left: 6px solid var(--dorado); }
.curso-corp h2 { margin-bottom: .3em; }
@media (max-width: 860px) { .curso-corp { grid-template-columns: 1fr; padding: 28px; } }