/* ============================================================
   Capacitación en prevención — hoja de estilos
   Paleta tomada de la señalética de seguridad: hormigón, tinta
   azul pizarra, amarillo de advertencia, verde de vía libre.
   ============================================================ */
:root{
  --hormigon:#EDEFF1;
  --hormigon-oscuro:#DCE0E4;
  --superficie:#FFFFFF;
  --tinta:#16202B;
  --acero:#5A6B7B;
  --senal:#F2C230;
  --senal-oscura:#C99C0F;
  --via-libre:#1E7A4F;
  --alto:#C0392B;
  --borde:#C9D1D8;
  --radio:3px;
  --ancho:1080px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--hormigon);color:var(--tinta);
  font-family:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.6;
}
h1,h2,h3,h4{font-family:"Barlow Condensed","Barlow Semi Condensed",system-ui,sans-serif;
  line-height:1.12;margin:0 0 .5rem;letter-spacing:.005em}
h1{font-size:clamp(2rem,5vw,3rem);font-weight:700}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:600}
h3{font-size:1.3rem;font-weight:600}
p{margin:0 0 1rem;max-width:70ch}
a{color:#12496E;text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--tinta)}
img{max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--senal);outline-offset:2px}
.saltar{position:absolute;left:-9999px}
.saltar:focus{left:1rem;top:1rem;z-index:20;background:var(--tinta);color:#fff;padding:.6rem 1rem}
.contenedor{width:min(100% - 2.5rem,var(--ancho));margin-inline:auto}

/* ---------- Barra superior ---------- */
.barra{background:var(--tinta);color:#fff;border-bottom:4px solid var(--senal)}
.barra__fila{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;align-items:center;
  justify-content:space-between;padding:.85rem 0}
.marca{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none;font-weight:600}
.marca__senal{width:22px;height:22px;flex:none;background:var(--senal);
  clip-path:polygon(50% 0,100% 100%,0 100%)}
.marca__texto{font-family:"Barlow Condensed",sans-serif;font-size:1.25rem;letter-spacing:.02em}
.menu{display:flex;flex-wrap:wrap;align-items:center;gap:1.1rem;font-size:.95rem}
.menu a{color:#D8E0E8;text-decoration:none}
.menu a:hover{color:var(--senal)}
.menu__salir{margin:0}
.menu__nombre{color:#D8E0E8;opacity:.75}
.menu__disparador{display:none;background:none;border:1px solid rgba(255,255,255,.35);color:#fff;
  width:2.5rem;height:2.5rem;font-size:1.2rem;border-radius:var(--radio);cursor:pointer;
  align-items:center;justify-content:center;line-height:1}
.menu__disparador:hover{border-color:var(--senal)}
@media (max-width:760px){
  .menu__disparador{display:flex}
  .menu{display:none;flex-basis:100%;flex-direction:column;align-items:flex-start;gap:.9rem;
    padding:.5rem 0 1rem}
  .menu--abierto{display:flex}
}
.enlace-boton{background:none;border:0;color:#D8E0E8;font:inherit;cursor:pointer;padding:0}
.enlace-boton:hover{color:var(--senal)}

/* ---------- Avisos ---------- */
.avisos{margin-top:1rem}
.aviso{border-left:5px solid var(--acero);background:var(--superficie);
  padding:.7rem .9rem;margin:0 0 .5rem;max-width:none}
.aviso--ok{border-color:var(--via-libre)}
.aviso--error{border-color:var(--alto)}
.aviso--info{border-color:var(--senal-oscura)}

/* ---------- Portada ---------- */
.portada{background:var(--tinta);color:#F4F7F9;padding:3.5rem 0 3rem;position:relative;overflow:hidden}
.portada::after{content:"";position:absolute;inset:auto 0 0 0;height:10px;
  background:repeating-linear-gradient(135deg,var(--senal) 0 18px,var(--tinta) 18px 36px)}
.portada h1{color:#fff;max-width:18ch}
.portada p{color:#C3CED8;max-width:56ch;font-size:1.08rem}
.portada__datos{display:flex;flex-wrap:wrap;gap:2rem;margin-top:1.75rem;
  border-top:1px solid rgba(255,255,255,.18);padding-top:1.25rem}
.portada__dato strong{display:block;font-family:"Barlow Condensed",sans-serif;
  font-size:2rem;color:var(--senal);line-height:1}
.portada__dato span{font-size:.9rem;color:#AEBCC8}

/* ---------- Secciones y filtros ---------- */
.seccion{padding:2.5rem 0}
.filtros{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1.5rem}
.filtro{border:1px solid var(--borde);background:var(--superficie);color:var(--tinta);
  padding:.35rem .8rem;border-radius:var(--radio);text-decoration:none;font-size:.9rem}
.filtro[aria-current="true"]{background:var(--tinta);color:#fff;border-color:var(--tinta)}

/* ---------- Listado de cursos ---------- */
.cursos{list-style:none;margin:0;padding:0;border-top:1px solid var(--borde)}
.curso-fila{background:var(--superficie);border:1px solid var(--borde);border-top:0;
  display:grid;grid-template-columns:auto 1fr auto;gap:.4rem 1.25rem;padding:1.25rem}
.curso-fila__area{grid-row:span 2;width:6px;background:var(--senal)}
.curso-fila__area[data-area="incendios"]{background:var(--alto)}
.curso-fila__area[data-area="sustancias"]{background:#8E44AD}
.curso-fila__area[data-area="normativa"]{background:#12496E}
.curso-fila h3{margin:0}
.curso-fila h3 a{text-decoration:none;color:var(--tinta)}
.curso-fila h3 a:hover{text-decoration:underline}
.curso-fila p{margin:.25rem 0 0;color:#3C4A57}
.curso-fila__meta{grid-column:2;display:flex;flex-wrap:wrap;gap:.4rem .9rem;
  font-size:.86rem;color:var(--acero)}
.curso-fila__accion{grid-column:3;grid-row:1 / span 2;align-self:center}
@media (max-width:640px){
  .curso-fila{grid-template-columns:auto 1fr}
  .curso-fila__accion{grid-column:2;grid-row:auto;margin-top:.6rem}
}

/* ---------- Botones ---------- */
.botonera{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;align-items:center;margin:0 0 1rem}

.boton{display:inline-block;background:var(--senal);color:var(--tinta);border:1px solid var(--senal-oscura);
  padding:.65rem 1.2rem;border-radius:var(--radio);font-weight:600;text-decoration:none;
  cursor:pointer;font-family:inherit;font-size:1rem}
.boton:hover{background:var(--senal-oscura);color:var(--tinta)}
.boton--chico{padding:.35rem .8rem;font-size:.9rem}
.boton--secundario{background:var(--superficie);border-color:var(--borde);color:var(--tinta)}
.boton--secundario:hover{background:var(--hormigon-oscuro)}
.boton--peligro{background:var(--superficie);border-color:var(--alto);color:var(--alto)}
.boton[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- Tarjetas y paneles ---------- */
.panel{background:var(--superficie);border:1px solid var(--borde);padding:1.5rem;margin-bottom:1.5rem}
.panel h2{margin-top:0}
.rejilla{display:grid;gap:1.5rem}
@media (min-width:860px){
  .rejilla--2{grid-template-columns:2fr 1fr}
  .rejilla--3{grid-template-columns:repeat(3,1fr)}
}
.cifras{display:grid;gap:1px;background:var(--borde);border:1px solid var(--borde);
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:1.5rem}
.cifra{background:var(--superficie);padding:1rem}
.cifra strong{display:block;font-family:"Barlow Condensed",sans-serif;font-size:2.1rem;line-height:1}
.cifra span{font-size:.85rem;color:var(--acero)}

/* ---------- Avance por tramos ---------- */
.avance{display:flex;gap:3px;margin:.5rem 0}
.avance__tramo{height:10px;flex:1;background:var(--hormigon-oscuro);border-radius:1px}
.avance__tramo--hecho{background:var(--via-libre)}
.avance__texto{font-size:.85rem;color:var(--acero)}

/* ---------- Estados ---------- */
.estado{display:inline-block;font-size:.78rem;font-weight:600;padding:.15rem .5rem;
  border:1px solid currentColor;border-radius:var(--radio)}
.estado--aprobado{color:var(--via-libre)}
.estado--en_curso{color:var(--senal-oscura)}
.estado--reprobado{color:var(--alto)}
.estado--programada{color:var(--senal-oscura)}
.estado--realizada{color:var(--via-libre)}
.estado--cancelada{color:var(--alto)}

/* ---------- Aula ---------- */
.aula{display:grid;gap:1.5rem}
@media (min-width:900px){.aula{grid-template-columns:280px 1fr}}
.indice{list-style:none;margin:0;padding:0;border:1px solid var(--borde);background:var(--superficie)}
.indice li{border-bottom:1px solid var(--borde)}
.indice li:last-child{border-bottom:0}
.indice a{display:flex;gap:.7rem;padding:.75rem .9rem;text-decoration:none;color:var(--tinta);align-items:baseline}
.indice a:hover{background:var(--hormigon)}
.indice a[aria-current="page"]{background:var(--tinta);color:#fff}
.indice__nro{font-family:"Barlow Condensed",sans-serif;color:var(--acero);min-width:1.4rem}
.indice a[aria-current="page"] .indice__nro{color:var(--senal)}
.indice__check{margin-left:auto;color:var(--via-libre);font-weight:700}
.leccion{background:var(--superficie);border:1px solid var(--borde);padding:1.75rem}
.leccion ol,.leccion ul{max-width:68ch}
.leccion li{margin-bottom:.4rem}
.leccion__video{aspect-ratio:16/9;width:100%;border:0}
.leccion__pie{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;
  align-items:center;margin-top:2rem;border-top:1px solid var(--borde);padding-top:1.25rem}

/* ---------- Formularios ---------- */
.campo{margin-bottom:1rem}
.campo label{display:block;font-weight:600;margin-bottom:.25rem;font-size:.95rem}
.campo input,.campo select,.campo textarea{
  width:100%;padding:.6rem .7rem;border:1px solid var(--borde);border-radius:var(--radio);
  font:inherit;background:var(--superficie);color:var(--tinta)}
.campo textarea{min-height:120px;resize:vertical}
.campo small{color:var(--acero)}
.campos-fila{display:grid;gap:1rem}
@media (min-width:700px){.campos-fila{grid-template-columns:1fr 1fr}}
.formulario-angosto{max-width:440px;margin-inline:auto}
.formulario-angosto>form>.boton,.formulario-angosto>form>button.boton{display:block;margin:0 auto}

/* ---------- Evaluación ---------- */
.pregunta{background:var(--superficie);border:1px solid var(--borde);padding:1.25rem;margin-bottom:1rem}
.pregunta legend{font-weight:600;padding:0 .3rem}
.opcion{display:flex;gap:.6rem;align-items:flex-start;padding:.5rem;border-radius:var(--radio);cursor:pointer}
.opcion:hover{background:var(--hormigon)}
.opcion input{margin-top:.35rem}
.resultado-nota{font-family:"Barlow Condensed",sans-serif;font-size:4rem;line-height:1}
.resultado--aprobado{color:var(--via-libre)}
.resultado--reprobado{color:var(--alto)}

/* ---------- Tablas ---------- */
.tabla{width:100%;border-collapse:collapse;background:var(--superficie);font-size:.94rem}
.tabla th,.tabla td{text-align:left;padding:.6rem .7rem;border-bottom:1px solid var(--borde);vertical-align:top}
.tabla th{font-family:"Barlow Condensed",sans-serif;font-size:1rem;background:var(--hormigon)}
.tabla-scroll{overflow-x:auto}

/* ---------- Certificado ---------- */
.certificado{max-width:960px;margin:2rem auto;background:#fff;padding:3rem;border:2px solid var(--tinta);
  position:relative}
.certificado::before{content:"";position:absolute;inset:14px;border:1px solid var(--senal);pointer-events:none}
.certificado__encabezado{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}
.certificado__titulo{font-family:"Barlow Condensed",sans-serif;font-size:2.6rem;margin:2rem 0 .3rem}
.certificado__alumno{font-size:2rem;font-family:"Barlow Condensed",sans-serif;
  border-bottom:2px solid var(--senal);display:inline-block;padding-bottom:.2rem}
.certificado__pie{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem;margin-top:3rem;
  border-top:1px solid var(--borde);padding-top:1.25rem;font-size:.9rem;color:var(--acero)}
.certificado__codigo{font-family:"Barlow Condensed",sans-serif;font-size:1.2rem;letter-spacing:.08em;color:var(--tinta)}
.certificado--anulado{border-color:var(--alto)}
.sello-anulado{color:var(--alto);border:3px solid var(--alto);display:inline-block;padding:.3rem 1rem;
  font-weight:700;transform:rotate(-6deg)}
@media print{
  .no-imprimir{display:none!important}
  body{background:#fff}
  .certificado{border-width:2px;margin:0;padding:2rem}
}

/* ---------- Varios ---------- */
.vacio{background:var(--superficie);border:1px dashed var(--borde);padding:2rem;text-align:center;color:var(--acero)}
.lista-limpia{list-style:none;margin:0;padding:0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.pie{background:var(--tinta);color:#AEBCC8;margin-top:3rem;padding:1.5rem 0;font-size:.9rem}
.pie a{color:var(--senal)}
.pie__fila{display:flex;flex-wrap:wrap;gap:.5rem 2rem;justify-content:space-between}
.pie p{margin:0;max-width:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}