/* ------------------------------------------------------------------
   Campus PRISMAIX — catálogo público y área del alumno
   Identidad v2.0. Superficie de producto propio, independiente del
   portal institucional.
   ------------------------------------------------------------------ */

:root {
    --prx-navy: #051C51;
    --prx-navy-soft: #0B2A6E;
    --prx-blue: #0459FB;
    --prx-blue-press: #0341C4;

    --prx-fog: #F4F6FA;
    --prx-white: #FFFFFF;
    --prx-rule: #D3DBE8;
    --prx-rule-strong: #AEBACC;
    --prx-grey: #68778D;
    --prx-ink: #04143A;

    --prx-success: #1FAE5C;
    --prx-warning: #A86200;
    --prx-error: #C41220;

    --prx-arc-1: #0459FB;
    --prx-arc-2: #FB2436;
    --prx-arc-3: #FB9504;
    --prx-arc-4: #1FAE5C;

    --prx-font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
    --prx-font-text: "IBM Plex Sans", system-ui, "Segoe UI", Roboto, sans-serif;
    --prx-font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;

    --prx-radius: 3px;
    --prx-radius-media: 4px;
    --prx-track: .14em;

    --ancho: 1140px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body.campus {
    margin: 0;
    background: var(--prx-fog);
    color: var(--prx-ink);
    font-family: var(--prx-font-text);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--prx-font-display);
    letter-spacing: -.015em;
    text-wrap: balance;
    margin: 0;
}

p { margin: 0; }
img { max-width: 100%; }

a {
    color: var(--prx-blue-press);
    text-underline-offset: 3px;
}

:focus-visible {
    outline: 2px solid var(--prx-blue);
    outline-offset: 2px;
    border-radius: 2px;
}

.contenedor {
    width: min(100% - 2.5rem, var(--ancho));
    margin-inline: auto;
}

.mono {
    font-family: var(--prx-font-mono);
    font-size: .68rem;
    letter-spacing: var(--prx-track);
    text-transform: uppercase;
    color: var(--prx-grey);
}

/* ---------- Arco ---------- */
.arco {
    display: flex;
    height: 4px;
}

.arco i { flex: 1; }
.arco i:nth-child(1) { background: var(--prx-arc-1); }
.arco i:nth-child(2) { background: var(--prx-arc-2); }
.arco i:nth-child(3) { background: var(--prx-arc-3); }
.arco i:nth-child(4) { background: var(--prx-arc-4); }

/* ---------- Encabezado ---------- */
.campus-header {
    background: var(--prx-navy);
    color: #fff;
}

.campus-header .barra {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: .9rem 0;
    flex-wrap: wrap;
}

.campus-marca {
    display: flex;
    align-items: center;
    gap: .7rem;
    color: #fff;
    text-decoration: none;
}

.campus-marca__simbolo {
    width: 34px;
    height: auto;
    flex: 0 0 auto;
}

.campus-marca .nombre {
    font-family: var(--prx-font-display);
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: .2em;
    line-height: 1;
}

.campus-marca .unidad {
    display: block;
    font-family: var(--prx-font-mono);
    font-size: .58rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .55);
    margin-top: .25rem;
}

.campus-nav {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    flex-wrap: wrap;
}

/* Los botones traen su propio color: excluirlos evita que este color de
   enlace los pise y deje texto blanco sobre fondo blanco. */
.campus-nav a:not(.btn) {
    color: rgba(255, 255, 255, .8);
    text-decoration: none;
    font-size: .92rem;
}

.campus-nav a:not(.btn):hover,
.campus-nav a:not(.btn).activo {
    color: #fff;
}

.campus-nav a.activo {
    box-shadow: 0 2px 0 var(--prx-blue);
}

.campus-nav form { margin: 0; }

.campus-nav .usuario {
    font-family: var(--prx-font-mono);
    font-size: .62rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .45);
}

/* ---------- Botones ---------- */
.btn {
    /* Sin esto, un <button> con fondo `transparent` conserva la apariencia
       nativa del navegador y se pinta gris claro: transparent es el valor
       inicial, así que no cuenta como fondo declarado por el autor. */
    appearance: none;
    -webkit-appearance: none;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    font-family: var(--prx-font-display);
    font-weight: 600;
    font-size: .92rem;
    letter-spacing: -.005em;
    padding: .6rem 1.1rem;
    border-radius: var(--prx-radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background .14s, border-color .14s, color .14s;
}

.btn-primario {
    background: var(--prx-blue);
    color: #fff;
}

.btn-primario:hover { background: var(--prx-blue-press); color: #fff; }

.btn-lineal {
    background: transparent;
    color: var(--prx-ink);
    border-color: var(--prx-rule-strong);
}

.btn-lineal:hover { border-color: var(--prx-grey); color: var(--prx-ink); }

.btn-claro {
    background: #fff;
    color: var(--prx-navy);
}

.btn-claro:hover { background: var(--prx-fog); color: var(--prx-navy); }

/* Contorno sobre el navy del encabezado. Va después de `.btn` a propósito:
   el atajo `border` de `.btn` pisaría un `border-color` declarado antes. */
.btn-lineal-claro {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .28);
}

.btn-lineal-claro:hover {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .5);
    color: #fff;
}

.btn-bloque { width: 100%; }

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: .5;
    pointer-events: none;
}

/* ---------- Hero ---------- */
.hero {
    background: var(--prx-navy);
    color: #fff;
    padding: 4rem 0 4.5rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -.03em;
    max-width: 18ch;
}

.hero h1 em {
    font-style: normal;
    color: #6E9BFF;
}

.hero p {
    margin-top: 1.1rem;
    max-width: 58ch;
    color: rgba(255, 255, 255, .75);
    font-size: 1.05rem;
}

.hero .mono { color: rgba(255, 255, 255, .5); margin-bottom: 1.2rem; }

/* ---------- Filtro de rutas ---------- */
.filtro-rutas {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    padding: 1.6rem 0;
    border-bottom: 1px solid var(--prx-rule);
    margin-bottom: 2rem;
}

.filtro-rutas a {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-family: var(--prx-font-mono);
    font-size: .66rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--prx-grey);
    background: var(--prx-white);
    border: 1px solid var(--prx-rule);
    border-radius: 2px;
    padding: .45rem .7rem;
}

.filtro-rutas a:hover { border-color: var(--prx-rule-strong); color: var(--prx-ink); }

.filtro-rutas a.activo {
    color: var(--prx-ink);
    border-color: var(--prx-ink);
}

.filtro-rutas i {
    width: 8px;
    height: 8px;
    display: block;
    clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}

/* ---------- Tarjetas de curso ---------- */
.rejilla-cursos {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding-bottom: 4rem;
}

.tarjeta-curso {
    display: flex;
    flex-direction: column;
    background: var(--prx-white);
    border: 1px solid var(--prx-rule);
    border-radius: var(--prx-radius-media);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: border-color .15s, box-shadow .15s, transform .15s;
}

.tarjeta-curso:hover {
    transform: translateY(-3px);
    border-color: var(--prx-rule-strong);
    box-shadow: 0 1px 2px rgba(4, 20, 58, .06), 0 16px 32px -20px rgba(4, 20, 58, .4);
    color: inherit;
}

/* La portada es un objeto de marca: filete del arco arriba, símbolo abajo. */
.portada-curso {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--prx-navy);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.1rem;
    overflow: hidden;
}

.portada-curso .imagen {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Velo obligatorio cuando hay fotografía: el texto manda. */
.portada-curso .velo {
    position: absolute;
    inset: 0;
    background: rgba(5, 28, 81, .78);
}

.portada-curso > * { position: relative; }

.portada-curso .titulo {
    font-family: var(--prx-font-display);
    font-weight: 700;
    font-size: 1.25rem;
    line-height: 1.14;
    letter-spacing: -.015em;
    max-width: 16ch;
}

.portada-curso .pie {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: .75rem;
}

.portada-curso .nivel {
    font-family: var(--prx-font-mono);
    font-size: .62rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .62);
}

.portada-curso .simbolo {
    width: 30px;
    height: auto;
    opacity: .92;
}

.chip-ruta {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-family: var(--prx-font-mono);
    font-size: .62rem;
    font-weight: 500;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: .25rem .5rem;
    border: 1px solid currentColor;
    border-radius: 2px;
}

.chip-ruta i {
    width: 7px;
    height: 7px;
    display: block;
    background: currentColor;
    clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}

.cuerpo-curso {
    padding: 1.1rem 1.2rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    flex: 1;
}

.cuerpo-curso p {
    font-size: .9rem;
    color: var(--prx-grey);
    line-height: 1.5;
}

.datos-curso {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: .6rem;
    border-top: 1px solid var(--prx-rule);
    font-family: var(--prx-font-mono);
    font-size: .62rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--prx-grey);
}

/* ---------- Ficha de curso ---------- */
.ficha {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 2.5rem;
    align-items: start;
    padding: 2.5rem 0 4rem;
}

.ficha h1 {
    font-size: clamp(1.7rem, 3.6vw, 2.6rem);
    font-weight: 800;
    line-height: 1.05;
    margin: .8rem 0 .7rem;
}

.ficha .entrada {
    font-size: 1.05rem;
    color: var(--prx-grey);
    max-width: 62ch;
}

.bloque {
    background: var(--prx-white);
    border: 1px solid var(--prx-rule);
    border-radius: var(--prx-radius-media);
    padding: 1.4rem 1.5rem;
    margin-top: 1.5rem;
}

.bloque h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: .8rem;
}

.bloque .prosa {
    color: var(--prx-ink);
    white-space: pre-line;
    max-width: 66ch;
}

.entregable {
    border-left: 3px solid var(--prx-blue);
    background: var(--prx-white);
    border-radius: 0 var(--prx-radius) var(--prx-radius) 0;
    padding: 1rem 1.2rem;
    margin-top: 1.5rem;
}

.entregable .mono { margin-bottom: .3rem; }

/* Tarjeta de compra / inscripción */
.panel-lateral {
    position: sticky;
    top: 1.5rem;
    background: var(--prx-white);
    border: 1px solid var(--prx-rule);
    border-radius: var(--prx-radius-media);
    overflow: hidden;
}

.panel-lateral .cuerpo { padding: 1.3rem 1.4rem 1.4rem; }

.panel-lateral dl {
    margin: 0 0 1.2rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .5rem 1rem;
    font-size: .88rem;
}

.panel-lateral dt {
    font-family: var(--prx-font-mono);
    font-size: .62rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--prx-grey);
    align-self: center;
}

.panel-lateral dd {
    margin: 0;
    text-align: right;
    font-weight: 500;
}

.instructor {
    display: flex;
    align-items: center;
    gap: .8rem;
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--prx-rule);
}

.instructor img {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    object-fit: cover;
    flex: 0 0 auto;
}

.instructor strong {
    display: block;
    font-family: var(--prx-font-display);
    font-size: .92rem;
}

.instructor span {
    font-family: var(--prx-font-mono);
    font-size: .6rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--prx-grey);
}

/* ---------- Temario ---------- */
.temario-modulo {
    border-top: 1px solid var(--prx-rule);
    padding-top: 1rem;
    margin-top: 1rem;
}

.temario-modulo:first-of-type {
    border-top: 0;
    padding-top: 0;
    margin-top: 0;
}

.temario-modulo .encabezado .mono { margin-bottom: .2rem; }

.temario-modulo h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: .5rem;
}

.temario-leccion {
    display: grid;
    grid-template-columns: 22px 1fr auto;
    gap: .8rem;
    align-items: center;
    padding: .5rem 0;
    font-size: .92rem;
    border-bottom: 1px solid var(--prx-fog);
    text-decoration: none;
    color: var(--prx-ink);
}

.temario-leccion:last-child { border-bottom: 0; }

a.temario-leccion:hover { color: var(--prx-blue-press); }

.temario-leccion .dur {
    font-family: var(--prx-font-mono);
    font-size: .7rem;
    color: var(--prx-grey);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* Nodo hexagonal: relleno = hecha, contorno = en curso, gris = pendiente. */
.nodo {
    width: 14px;
    height: 16px;
    display: block;
    clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
    background: var(--prx-rule);
}

.nodo.hecha { background: var(--prx-success); }
.nodo.actual { background: var(--prx-blue); }

.etiqueta-muestra {
    font-family: var(--prx-font-mono);
    font-size: .56rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--prx-blue-press);
    background: rgba(4, 89, 251, .1);
    border-radius: 2px;
    padding: .1rem .3rem;
    margin-left: .4rem;
}

/* ---------- Progreso ---------- */
/* El carril va en gris de filete: sobre tarjeta blanca, el gris niebla
   es indistinguible del fondo y la barra parece no existir. */
.progreso {
    display: block;
    height: 6px;
    background: var(--prx-rule);
    border-radius: 99px;
    overflow: hidden;
}

.progreso.sobre-navy { background: rgba(255, 255, 255, .16); }

.progreso i {
    display: block;
    height: 100%;
    background: var(--prx-success);
    border-radius: 99px;
}

.linea-progreso {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: .45rem;
}

/* ---------- Lección ---------- */
.leccion-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 2rem;
    align-items: start;
    padding: 2rem 0 4rem;
}

.video-marco {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--prx-navy);
    border-radius: var(--prx-radius-media);
    overflow: hidden;
    border: 1px solid var(--prx-rule);
}

.video-marco iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-vacio {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    text-align: center;
    color: rgba(255, 255, 255, .6);
    font-family: var(--prx-font-mono);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 1.5rem;
}

.barra-leccion {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--prx-rule);
}

.indice-lateral {
    position: sticky;
    top: 1.5rem;
    background: var(--prx-white);
    border: 1px solid var(--prx-rule);
    border-radius: var(--prx-radius-media);
    padding: 1.2rem 1.3rem;
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
}

/* ---------- Acceso ---------- */
.acceso {
    min-height: calc(100vh - 220px);
    display: grid;
    place-items: center;
    padding: 3rem 1rem 4rem;
}

.tarjeta-acceso {
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 430px;
    background: var(--prx-white);
    border: 1px solid var(--prx-rule);
    border-radius: var(--prx-radius-media);
    padding: 2.2rem 2rem 2rem;
    box-shadow: 0 1px 2px rgba(4, 20, 58, .06), 0 20px 44px -28px rgba(4, 20, 58, .5);
}

.tarjeta-acceso > .arco {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}

.tarjeta-acceso h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: .3rem;
}

.tarjeta-acceso .sub {
    color: var(--prx-grey);
    font-size: .92rem;
    margin-bottom: 1.6rem;
}

.campo { margin-bottom: 1rem; }

.campo label {
    display: block;
    font-size: .85rem;
    font-weight: 500;
    margin-bottom: .3rem;
}

.campo input {
    width: 100%;
    font-family: inherit;
    font-size: .95rem;
    color: var(--prx-ink);
    background: var(--prx-white);
    padding: .6rem .75rem;
    border: 1px solid var(--prx-rule-strong);
    border-radius: var(--prx-radius);
}

.campo input:focus {
    outline: none;
    border-color: var(--prx-blue);
    box-shadow: 0 0 0 3px rgba(4, 89, 251, .16);
}

.campo .pista {
    font-size: .78rem;
    color: var(--prx-grey);
    margin-top: .25rem;
}

.casilla {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .88rem;
    margin-bottom: 1.3rem;
}

.casilla input { accent-color: var(--prx-blue); width: 15px; height: 15px; }

.pie-acceso {
    margin-top: 1.3rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--prx-rule);
    text-align: center;
    font-size: .88rem;
    color: var(--prx-grey);
}

/* ---------- Avisos ---------- */
.aviso {
    border: 1px solid var(--prx-rule);
    border-left-width: 3px;
    border-radius: 0 var(--prx-radius) var(--prx-radius) 0;
    background: var(--prx-white);
    padding: .8rem 1rem;
    font-size: .92rem;
    margin-bottom: 1.2rem;
}

.aviso-exito { border-left-color: var(--prx-success); }
.aviso-error { border-left-color: var(--prx-error); }

.aviso ul { margin: .4rem 0 0; padding-left: 1.1rem; }

.vacio-campus {
    background: var(--prx-white);
    border: 1px dashed var(--prx-rule-strong);
    border-radius: var(--prx-radius-media);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--prx-grey);
}

/* ---------- Pie ---------- */
.campus-footer {
    background: var(--prx-navy);
    color: rgba(255, 255, 255, .6);
    padding: 2.2rem 0;
    margin-top: auto;
}

.campus-footer .barra {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    font-size: .85rem;
}

.campus-footer a { color: rgba(255, 255, 255, .8); }

body.campus {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body.campus > main { flex: 1; }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
    .ficha,
    .leccion-shell {
        grid-template-columns: 1fr;
    }

    .panel-lateral,
    .indice-lateral {
        position: static;
        max-height: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tarjeta-curso,
    .btn {
        transition: none;
    }
}