/* ==========================================================
   CECATI 70 - Estilos del sitio público
   Paleta: rojo #E30613 · negro #0B0B0B · gris #F4F4F4
   ========================================================== */
:root {
  --rojo: #E30613;
  --rojo-oscuro: #B00010;
  --negro: #0B0B0B;
  --gris: #F4F4F4;
  --gris-medio: #6B6B6B;
  --verde: #1A9E4B;
  --azul: #1565C0;
  --borde: #E1E1E1;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
  color: var(--negro);
  background: #fff;
  line-height: 1.55;
}

a { color: var(--rojo); text-decoration: none; }
img { max-width: 100%; }

.contenedor { width: min(1150px, 92%); margin: 0 auto; }

/* ---------------------- Cabecera ---------------------- */
header.sitio {
  background: var(--negro);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 4px solid var(--rojo);
}
header.sitio .contenedor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}
.marca { display: flex; align-items: center; gap: 12px; }
.marca img { width: 48px; height: 48px; object-fit: contain; background: #fff; border-radius: 6px; }
.marca strong { display: block; font-size: 18px; letter-spacing: .5px; }
.marca span { font-size: 12px; color: #bbb; }
nav.sitio { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
nav.sitio a {
  color: #eee; padding: 9px 14px; border-radius: 6px; font-size: 14px; font-weight: 600;
}
nav.sitio a:hover { background: #222; color: #fff; }
nav.sitio a.boton { background: var(--rojo); color: #fff; }
nav.sitio a.boton:hover { background: var(--rojo-oscuro); }
nav.sitio a.activo { background: #1d1d1d; color: #fff; }
.btn-menu {
  display: none; background: var(--rojo); color: #fff; border: none;
  border-radius: 8px; padding: 9px 14px; font-size: 17px; cursor: pointer; font-weight: 700;
}
.btn-menu:hover { background: var(--rojo-oscuro); }

/* ------------------------ Hero ----------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(227,6,19,.95) 0%, rgba(227,6,19,.85) 45%, rgba(11,11,11,.92) 100%),
    repeating-linear-gradient(45deg, #111 0 22px, #171717 22px 44px);
  color: #fff;
  padding: 64px 0 72px;
  text-align: center;
}
.hero .fondo-hero {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity .6s;
}
.hero .fondo-hero.activo { opacity: 1; }
.hero .fondo-hero + .contenedor { position: relative; z-index: 1; }
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(227,6,19,.9) 0%, rgba(227,6,19,.7) 40%, rgba(11,11,11,.88) 100%);
}
.hero .contenedor { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(28px, 5vw, 46px); margin-bottom: 12px; }
.hero p { font-size: 18px; max-width: 760px; margin: 0 auto 26px; color: #ffe9ea; }
.hero .frase {
  font-size: clamp(15px, 2.4vw, 19px); font-style: italic; color: #fff;
  max-width: 700px; margin: 0 auto 20px; padding: 10px 16px;
  border-left: 4px solid #fff; background: rgba(0,0,0,.25);
  border-radius: 0 8px 8px 0; text-align: left;
}
.hero .acciones { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block; border: none; cursor: pointer;
  padding: 13px 26px; border-radius: 8px; font-size: 15px; font-weight: 700;
  background: var(--rojo); color: #fff; transition: .15s;
}
.btn:hover { background: var(--rojo-oscuro); transform: translateY(-1px); }
.btn.secundario { background: #fff; color: var(--negro); }
.btn.secundario:hover { background: #eee; }
.btn.oscuro { background: var(--negro); }
.btn.oscuro:hover { background: #2a2a2a; }
.btn.chico { padding: 8px 14px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* ---------------------- Secciones -------------------- */
section { padding: 46px 0; }
section[id] { scroll-margin-top: 86px; }
section.titulo-seccion h2 {
  font-size: 30px; margin-bottom: 6px;
}
section.titulo-seccion p.sub { color: var(--gris-medio); margin-bottom: 26px; }
.marca-roja { border-left: 6px solid var(--rojo); padding-left: 12px; }

/* ------------------------ Pasos ---------------------- */
.pasos { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.paso {
  background: var(--gris); border-top: 5px solid var(--rojo);
  padding: 20px 18px; border-radius: 10px;
}
.paso .num {
  width: 34px; height: 34px; background: var(--rojo); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; border-radius: 50%; margin-bottom: 10px;
}
.paso h3 { font-size: 16px; margin-bottom: 4px; }
.paso p { font-size: 13.5px; color: var(--gris-medio); }

/* ------------------------ Cursos --------------------- */
.rejilla-cursos {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px;
}
.tarjeta-curso {
  background: #fff; border: 1px solid var(--borde); border-radius: 14px;
  overflow: hidden; display: flex; flex-direction: column;
  transition: .18s;
}
.tarjeta-curso:hover { box-shadow: 0 14px 30px rgba(0,0,0,.14); transform: translateY(-4px); }
.tarjeta-curso .foto { height: 195px; background: #1a1a1a; position: relative; overflow: hidden; }
.tarjeta-curso .foto img { width: 100%; height: 100%; object-fit: cover; transition: .3s; }
.tarjeta-curso:hover .foto img { transform: scale(1.05); }
.tarjeta-curso .foto .capa {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 34px 14px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,.88));
}
.tarjeta-curso .foto .capa h3 { color: #fff; font-size: 17.5px; margin: 0; text-shadow: 0 1px 4px rgba(0,0,0,.5); }
.tarjeta-curso .precio-flotante {
  position: absolute; right: 10px; top: 10px; z-index: 2;
  background: rgba(11,11,11,.88); color: #fff;
  padding: 6px 13px; border-radius: 20px; font-weight: 800; font-size: 14.5px;
}
.tarjeta-curso .foto .sin-imagen {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: #777; font-size: 14px;
  background: repeating-linear-gradient(45deg, #1c1c1c 0 18px, #232323 18px 36px);
}
.badge {
  position: absolute; top: 12px; left: 12px;
  padding: 5px 12px; border-radius: 20px; font-size: 12px; font-weight: 800;
  text-transform: uppercase; letter-spacing: .5px;
}
.badge.vigente { background: var(--verde); color: #fff; }
.badge.abierto { background: var(--azul); color: #fff; }
.badge.cerrado { background: #444; color: #fff; }
.badge.lleno { background: var(--rojo); color: #fff; }

.tarjeta-curso .cuerpo { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.tarjeta-curso .datos { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip {
  background: var(--gris); border: 1px solid var(--borde);
  padding: 4px 9px; border-radius: 6px; font-size: 12.5px; color: #333;
}
.chip.precio { background: var(--negro); color: #fff; border-color: var(--negro); font-weight: 700; }
.tarjeta-curso .descripcion {
  font-size: 13.5px; color: var(--gris-medio); margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.tarjeta-curso .pie-tarjeta { margin-top: auto; display: flex; gap: 8px; }

/* ----------------------- Formularios ------------------ */
.formulario { background: #fff; border: 1px solid var(--borde); border-radius: 12px; padding: 26px; }
.grupo-campos { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.campo { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.campo label { font-size: 13.5px; font-weight: 700; }
.campo label .req { color: var(--rojo); }
.campo input, .campo select, .campo textarea {
  border: 1.5px solid var(--borde); border-radius: 8px;
  padding: 11px 12px; font-size: 15px; font-family: inherit; background: #fff;
  width: 100%;
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none; border-color: var(--rojo); box-shadow: 0 0 0 3px rgba(227,6,19,.14);
}
.campo .ayuda { font-size: 12px; color: var(--gris-medio); }
.campo textarea { min-height: 90px; resize: vertical; }
fieldset.seccion-form {
  border: 1px solid var(--borde); border-radius: 10px; padding: 20px; margin-bottom: 22px;
}
fieldset.seccion-form legend {
  font-weight: 800; font-size: 15px; padding: 0 10px; color: var(--rojo);
}

/* ------------------- Subida de archivos --------------- */
.documentos { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.doc-carga {
  border: 2px dashed var(--borde); border-radius: 10px; padding: 18px;
  text-align: center; background: var(--gris); transition: .15s; cursor: pointer;
}
.doc-carga:hover, .doc-carga.arrastre { border-color: var(--rojo); background: #fff; }
.doc-carga .icono { font-size: 30px; }
.doc-carga strong { display: block; font-size: 14.5px; margin-top: 6px; }
.doc-carga span { font-size: 12.5px; color: var(--gris-medio); }
.doc-carga input[type=file] { display: none; }
.doc-carga.listo { border-style: solid; border-color: var(--verde); background: #effaf2; }
.doc-carga.listo span { color: var(--verde); font-weight: 700; }

/* ----------------------- Estados --------------------- */
.alerta { padding: 13px 16px; border-radius: 8px; font-size: 14.5px; margin-bottom: 16px; }
.alerta.error { background: #fdecec; color: #9b0010; border: 1px solid #f5c2c5; }
.alerta.ok { background: #eafaf0; color: #0d6b32; border: 1px solid #bfe9cf; }

.exito { text-align: center; padding: 30px 10px; }
.exito .icono { font-size: 56px; }
.exito h2 { margin: 10px 0 6px; }
.folio-caja {
  display: inline-block; background: var(--negro); color: #fff;
  font-size: 26px; font-weight: 800; letter-spacing: 2px;
  padding: 12px 24px; border-radius: 8px; margin: 14px 0;
}

.tarjeta-estado { border-radius: 12px; padding: 22px; border: 1px solid var(--borde); }
.tarjeta-estado h3 { font-size: 22px; margin-bottom: 8px; }
.tarjeta-estado.pendiente { background: #fff8e1; border-color: #ffe082; }
.tarjeta-estado.aprobada { background: #eafaf0; border-color: #bfe9cf; }
.tarjeta-estado.rechazada { background: #fdecec; border-color: #f5c2c5; }

/* ------------------------ Modal ---------------------- */
.modal-fondo {
  position: fixed; inset: 0; background: rgba(0,0,0,.72);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: 16px;
}
.modal-fondo.abierto { display: flex; }
.modal {
  background: #fff; border-radius: 14px; max-width: 760px; width: 100%;
  max-height: 92vh; overflow-y: auto; position: relative;
}
.modal .cerrar {
  position: absolute; top: 12px; right: 12px; z-index: 5;
  background: rgba(0,0,0,.7); color: #fff; border: none; border-radius: 50%;
  width: 36px; height: 36px; font-size: 18px; cursor: pointer;
}
.modal .galeria { height: 300px; background: #111; position: relative; }
.modal .galeria img { width: 100%; height: 100%; object-fit: cover; }
.modal .galeria .puntos {
  position: absolute; bottom: 12px; left: 0; right: 0;
  display: flex; gap: 8px; justify-content: center;
}
.modal .galeria .puntos span {
  width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer;
}
.modal .galeria .puntos span.activo { background: var(--rojo); }
.modal .contenido { padding: 24px; }
.modal .contenido h2 { margin-bottom: 10px; }
.modal .tabla-datos { width: 100%; border-collapse: collapse; margin: 14px 0; }
.modal .tabla-datos td { border-bottom: 1px solid var(--borde); padding: 9px 6px; font-size: 14px; }
.modal .tabla-datos td:first-child { font-weight: 700; width: 40%; color: #444; }

/* ------------------------ Toast ---------------------- */
#toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(150%);
  background: var(--negro); color: #fff; padding: 13px 22px; border-radius: 8px;
  font-size: 14.5px; z-index: 300; transition: .28s; box-shadow: 0 8px 24px rgba(0,0,0,.35);
  max-width: 90%;
}
#toast.visible { transform: translateX(-50%) translateY(0); }
#toast.error { background: var(--rojo); }

/* ------------------------ Galería --------------------- */
.galeria-rejilla {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px;
}
.galeria-rejilla img {
  width: 100%; height: 175px; object-fit: cover; border-radius: 12px;
  cursor: pointer; border: 3px solid transparent; transition: .18s; display: block;
  background: var(--gris);
}
.galeria-rejilla img:hover { transform: scale(1.03); border-color: var(--rojo); box-shadow: 0 10px 22px rgba(0,0,0,.18); }
.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.92);
  display: none; align-items: center; justify-content: center; z-index: 250; padding: 20px;
}
.lightbox.abierto { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.lightbox .cerrar-lb {
  position: absolute; top: 16px; right: 22px; background: none; border: none;
  color: #fff; font-size: 38px; cursor: pointer; line-height: 1;
}
.lightbox .cerrar-lb:hover { color: var(--rojo); }

/* --------------------- Mapa y contacto ----------------- */
.contacto-rejilla { display: grid; grid-template-columns: 1fr 1.25fr; gap: 22px; align-items: stretch; }
.contacto-tarjeta {
  background: var(--negro); color: #ddd; border-radius: 14px; padding: 26px;
  border-top: 5px solid var(--rojo);
}
.contacto-tarjeta h3 { color: #fff; font-size: 19px; margin-bottom: 14px; }
.contacto-tarjeta .fila { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed #333; font-size: 14.5px; }
.contacto-tarjeta .fila:last-child { border-bottom: none; }
.contacto-tarjeta .fila .ico { font-size: 17px; }
.contacto-tarjeta a { color: #ff8a90; }
.mapa-marco {
  border-radius: 14px; overflow: hidden; border: 1px solid var(--borde);
  min-height: 320px; background: var(--gris);
  display: flex; align-items: center; justify-content: center; color: #888; text-align: center; padding: 20px;
}
.mapa-marco iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }

/* ---------------- Misión y visión (Nosotros) -------- */
.rejilla-mv { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 22px; }
.tarjeta-mv {
  background: var(--gris); border-top: 6px solid var(--rojo);
  border-radius: 12px; padding: 26px 26px 28px;
}
.tarjeta-mv .icono-mv { font-size: 32px; margin-bottom: 8px; }
.tarjeta-mv h3 { font-size: 21px; margin-bottom: 10px; color: var(--rojo); letter-spacing: .5px; }
.tarjeta-mv p { font-size: 15px; line-height: 1.75; color: #3a3a3a; }
.tarjeta-mv.vision { background: var(--negro); border-top-color: #fff; }
.tarjeta-mv.vision h3 { color: #fff; }
.tarjeta-mv.vision p { color: #d6d6d6; }

/* ------------------------ Footer --------------------- */
footer.sitio {
  background: var(--negro); color: #ccc; padding: 34px 0 22px; margin-top: 40px;
  border-top: 5px solid var(--rojo); font-size: 14px;
}
footer.sitio .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
footer.sitio strong { color: #fff; display: block; margin-bottom: 8px; }
footer.sitio .nota { border-top: 1px solid #333; margin-top: 22px; padding-top: 14px; font-size: 12.5px; color: #888; }

@media (max-width: 860px) {
  header.sitio .contenedor { position: relative; flex-wrap: wrap; }
  .btn-menu { display: block; margin-left: auto; }
  nav.sitio { display: none; width: 100%; flex-direction: column; align-items: stretch; order: 3; padding-top: 10px; }
  nav.sitio.abierto { display: flex; }
  nav.sitio a { text-align: center; background: #1a1a1a; }
  .hero { padding: 46px 0 52px; }
  .contacto-rejilla { grid-template-columns: 1fr; }
  .modal .galeria { height: 200px; }
}