/* MubiaOT · estilo compartido (sitio + página de registro) */

:root {
  --fondo: #0b0d10;
  --fondo-2: #12151a;
  --panel: #171b21;
  --panel-2: #1e232b;
  --linea: #2e353f;
  --linea-clara: #454e5a;

  --oro: #c9a24b;
  --oro-claro: #e3c77d;
  --oro-oscuro: #8a6a25;
  --plata: #c9ced6;
  --plata-oscura: #7d8590;
  --sangre: #8e1b1b;
  --sangre-claro: #e5776b;   /* texto de error, AA sobre paneles */
  --verde: #6fcf7a;

  --texto: #ebe7de;
  --texto-2: #b0b5bd;

  --serif: "Cinzel", "Trajan Pro", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --bisel: 10px;
  --ancho: 1120px;
  --gutter: 16px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 72px;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 400 1rem/1.6 var(--sans);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0; }
p { margin: 0 0 .9em; }
p:last-child { margin-bottom: 0; }
code {
  font-family: Consolas, "Cascadia Mono", monospace;
  font-size: .92em;
  background: #0a0c0f;
  border: 1px solid var(--linea);
  padding: .05em .35em;
  color: var(--plata);
  word-break: break-all;
}

a { color: var(--oro-claro); text-underline-offset: 3px; }
a:hover { color: #f3dda0; }

/* Foco visible y consistente */
:focus-visible {
  outline: 2px solid var(--oro-claro);
  outline-offset: 3px;
}

.saltar {
  position: absolute; left: var(--gutter); top: -60px;
  background: var(--oro); color: #111; padding: .6rem 1rem; z-index: 100;
  font-weight: 600; text-decoration: none;
}
.saltar:focus { top: 8px; }

/* ---------- Barra superior ---------- */
.barra {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 13, 16, .92);
  border-bottom: 1px solid var(--linea);
  backdrop-filter: blur(6px);
}
.barra__interior {
  max-width: var(--ancho); margin: 0 auto; padding: .55rem var(--gutter);
  display: flex; align-items: center; gap: 1rem;
}
.barra__marca {
  display: flex; align-items: center; gap: .55rem;
  color: var(--oro-claro); text-decoration: none;
  font: 700 1.1rem var(--serif); letter-spacing: .04em;
}
.barra__nav { display: none; margin-left: auto; gap: 1.6rem; }
.barra__nav a {
  color: var(--texto-2); text-decoration: none; font-weight: 500; font-size: .95rem;
  padding: .3rem 0; border-bottom: 1px solid transparent;
}
.barra__nav a:hover { color: var(--texto); border-bottom-color: var(--oro); }
.barra .boton--chico { margin-left: auto; }
@media (min-width: 760px) {
  .barra__nav { display: flex; }
  .barra .boton--chico { margin-left: 0; }
}

/* ---------- Botones biselados ---------- */
.boton {
  --b: var(--bisel);
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: .75rem 1.6rem;
  font: 700 1rem var(--serif); letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; text-align: center; cursor: pointer;
  border: 0;
  clip-path: polygon(var(--b) 0, calc(100% - var(--b)) 0, 100% var(--b), 100% calc(100% - var(--b)),
                     calc(100% - var(--b)) 100%, var(--b) 100%, 0 calc(100% - var(--b)), 0 var(--b));
  transition: filter .15s, transform .15s;
}
.boton:focus-visible { outline: 2px solid #fff; outline-offset: -6px; }
.boton:active { transform: translateY(1px); }

.boton--oro {
  background: var(--oro);
  color: #16120a;
  box-shadow: inset 0 2px 0 var(--oro-claro), inset 0 -3px 0 var(--oro-oscuro);
}
.boton--oro:hover { filter: brightness(1.1); color: #16120a; }

.boton--plata {
  background: var(--panel-2);
  color: var(--plata);
  box-shadow: inset 0 0 0 1px var(--plata-oscura), inset 0 2px 0 #5d6570, inset 0 -3px 0 #0b0d10;
}
.boton--plata:hover { color: #fff; box-shadow: inset 0 0 0 1px var(--plata), inset 0 2px 0 #6c7480, inset 0 -3px 0 #0b0d10; }

.boton--chico { min-height: 38px; padding: .45rem 1rem; font-size: .8rem; --b: 7px; }
.boton--ancho { width: 100%; }
.boton[aria-disabled="true"], .boton:disabled {
  background: #2a2f37; color: #8b919a; box-shadow: inset 0 0 0 1px var(--linea);
  cursor: not-allowed; filter: none;
}

/* ---------- Paneles con esquinas doradas ---------- */
.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--linea);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04), 0 10px 30px rgba(0, 0, 0, .35);
  padding: 1.4rem;
}
.panel::before, .panel::after {
  content: ""; position: absolute; width: 14px; height: 14px; pointer-events: none;
  border-color: var(--oro); border-style: solid;
}
.panel::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.panel::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: grid; place-items: center;
  padding: 3rem var(--gutter) 4rem;
  background:
    linear-gradient(180deg, rgba(11, 13, 16, .55) 0%, rgba(11, 13, 16, .35) 40%, rgba(11, 13, 16, .92) 88%, var(--fondo) 100%),
    url("../img/fondo-movil.webp") center 30% / cover no-repeat;
  text-align: center;
  border-bottom: 1px solid var(--linea);
}
@media (min-width: 900px) {
  .hero {
    background:
      linear-gradient(180deg, rgba(11, 13, 16, .45) 0%, rgba(11, 13, 16, .25) 40%, rgba(11, 13, 16, .9) 88%, var(--fondo) 100%),
      url("../img/fondo.webp") center 30% / cover no-repeat;
  }
}
.hero__interior { max-width: 760px; }
.hero__logo img {
  margin: 0 auto;
  width: min(100%, 680px);
  filter: drop-shadow(0 6px 24px rgba(0, 0, 0, .85));
}
.hero__frase {
  font: 700 clamp(1.25rem, 4.5vw, 2rem) var(--serif);
  color: var(--oro-claro);
  letter-spacing: .05em;
  margin: 1rem 0 .4rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .9);
}
.hero__sub { color: var(--texto); text-shadow: 0 1px 6px rgba(0, 0, 0, .9); max-width: 34em; margin: 0 auto 1.8rem; }
.hero__acciones { display: flex; flex-direction: column; gap: .8rem; align-items: stretch; max-width: 360px; margin: 0 auto; }
@media (min-width: 560px) {
  .hero__acciones { flex-direction: row; max-width: none; justify-content: center; }
}
.nota {
  display: inline-flex; align-items: center; gap: .5rem;
  margin-top: 1rem; font-size: .9rem; color: var(--texto-2);
  background: rgba(11, 13, 16, .75); padding: .35rem .8rem; border: 1px solid var(--linea);
}
.punto { width: 9px; height: 9px; border-radius: 50%; background: var(--verde); box-shadow: 0 0 6px var(--verde); flex: none; }

/* ---------- Secciones ---------- */
.seccion { padding: 4rem var(--gutter); }
.seccion--oscura {
  background: var(--fondo-2);
  border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea);
}
.contenedor { max-width: var(--ancho); margin: 0 auto; }
.contenedor--angosto { max-width: 760px; }

.titulo {
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  color: var(--oro);
  text-align: center; letter-spacing: .05em;
  margin-bottom: .6rem;
}
.titulo::after {
  content: ""; display: block; width: 120px; height: 2px; margin: .7rem auto 0;
  background: linear-gradient(90deg, transparent, var(--oro) 30%, var(--sangre) 50%, var(--oro) 70%, transparent);
}
.bajada { text-align: center; color: var(--texto-2); max-width: 38em; margin: 0 auto 2.2rem; }

/* Pasos */
.pasos {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1.2rem;
}
@media (min-width: 680px) { .pasos { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .pasos { grid-template-columns: repeat(4, 1fr); } }
.paso { padding-top: 1.1rem; }
.paso__num {
  display: block; font: 800 2.2rem/1 var(--serif); color: var(--oro);
  margin-bottom: .6rem; text-shadow: 0 2px 0 #000;
}
.paso h3 { font-size: 1.15rem; color: var(--plata); margin-bottom: .6rem; }
.paso p { color: var(--texto-2); }
.paso strong { color: var(--texto); }

.radmin-datos { margin: .8rem 0 0; display: grid; gap: .4rem; }
.radmin-datos div { display: flex; gap: .5rem; flex-wrap: wrap; }
.radmin-datos dt { color: var(--texto-2); }
.radmin-datos dd { margin: 0; font-family: Consolas, monospace; color: var(--oro-claro); }

/* Descarga */
.descarga { display: grid; gap: 1.1rem; }
.descarga__cabecera { display: flex; align-items: center; gap: 1rem; }
.descarga__nombre { font: 700 1.2rem var(--serif); color: var(--plata); margin: 0; }
.descarga__meta { color: var(--texto-2); margin: 0; font-size: .95rem; }
.descarga__pendiente { color: var(--oro-claro); font-size: .95rem; }
.aviso {
  background: #1a1214;
  border: 1px solid #3a2226;
  border-left: 4px solid var(--sangre);
  padding: 1rem 1.1rem;
}
.aviso__titulo { font-weight: 600; color: var(--texto); }
.aviso p { color: var(--texto-2); }
.aviso strong { color: var(--texto); }

/* Clases */
.clases {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1.2rem;
}
.clase {
  flex: 0 1 100%;
  max-width: 340px;
  background: var(--panel);
  border: 1px solid var(--linea);
  display: flex; flex-direction: column;
  transition: border-color .2s, transform .2s;
}
@media (min-width: 560px) { .clase { flex-basis: calc(50% - .6rem); } }
@media (min-width: 900px) { .clase { flex-basis: calc(33.333% - .8rem); } }
@media (min-width: 1100px) { .clase { flex-basis: calc(25% - .9rem); } }
.clase img {
  width: 100%; aspect-ratio: 3 / 4; object-fit: cover;
  border-bottom: 2px solid var(--oro-oscuro);
}
.clase__texto { padding: 1rem 1.1rem 1.2rem; }
.clase h3 { font-size: 1.15rem; color: var(--oro-claro); margin-bottom: .4rem; }
.clase p { color: var(--texto-2); font-size: .95rem; }
.clase:hover { border-color: var(--oro-oscuro); }
@media (prefers-reduced-motion: no-preference) {
  .clase:hover { transform: translateY(-3px); }
}

/* FAQ */
.faq { display: grid; gap: .9rem; }
.faq details { padding: 0; }
.faq summary {
  cursor: pointer; list-style: none;
  padding: 1rem 3rem 1rem 1.2rem; position: relative;
  font: 700 1.05rem var(--serif); color: var(--plata);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 1.2rem; top: 50%; transform: translateY(-50%);
  font: 700 1.4rem var(--sans); color: var(--oro);
}
.faq details[open] summary::after { content: "−"; }
.faq summary:focus-visible { outline-offset: -4px; }
.faq details p { padding: 0 1.2rem 1.1rem; color: var(--texto-2); }
.faq details strong { color: var(--texto); }

/* Pie */
.pie {
  text-align: center; padding: 2.5rem var(--gutter) 3rem;
  color: var(--texto-2); font-size: .92rem;
  border-top: 1px solid var(--linea);
}
.pie img { margin: 0 auto 1rem; opacity: .85; }
.pie__chico { font-size: .82rem; color: var(--plata-oscura); }

/* ---------- Formulario (página de registro) ---------- */
.registro { padding: 2.5rem var(--gutter) 4rem; }
.registro__logo { margin: 0 auto 1.2rem; width: min(100%, 420px); }
.bajada--pie { margin-top: 1.6rem; }
.form { display: grid; gap: 1.15rem; }
.campo { display: grid; gap: .35rem; align-content: start; }
.campo label { font-weight: 600; color: var(--plata); }
.campo .ayuda { font-size: .85rem; color: var(--texto-2); margin: 0; }
.campo input, .campo select {
  width: 100%; min-height: 46px;
  font: 400 1rem var(--sans); color: var(--texto);
  background: #0c0e12;
  border: 1px solid var(--linea-clara);
  padding: .6rem .8rem;
  border-radius: 0;
}
.campo select { appearance: none; background-image: none; }
.campo--select { position: relative; }
.campo--select::after {
  content: "▾"; position: absolute; right: .9rem; bottom: .7rem; color: var(--oro); pointer-events: none;
}
.campo input:focus-visible, .campo select:focus-visible { outline: 2px solid var(--oro-claro); outline-offset: 1px; border-color: var(--oro); }
.campo input[aria-invalid="true"] { border-color: var(--sangre-claro); }
.campo .error-campo { color: var(--sangre-claro); font-size: .88rem; margin: 0; min-height: 0; }
.fila-2 { display: grid; gap: 1.15rem; }
@media (min-width: 560px) { .fila-2 { grid-template-columns: 1fr 1fr; } }

.clase-elegida { display: flex; align-items: center; gap: .9rem; }
.clase-elegida img { width: 72px; height: 96px; object-fit: cover; border: 1px solid var(--oro-oscuro); flex: none; }
.clase-elegida p { margin: 0; color: var(--texto-2); font-size: .92rem; }

.resultado { padding: 1rem 1.1rem; border: 1px solid var(--linea); border-left-width: 4px; }
.resultado--ok { border-left-color: var(--verde); background: #111a13; }
.resultado--error { border-left-color: var(--sangre); background: #1a1214; }
.resultado__titulo { font-weight: 600; margin-bottom: .4rem; }
.resultado--ok .resultado__titulo { color: var(--verde); }
.resultado--error .resultado__titulo { color: var(--sangre-claro); }
.resultado dl { margin: .5rem 0 0; display: grid; gap: .3rem; }
.resultado dl div { display: flex; gap: .5rem; flex-wrap: wrap; }
.resultado dt { color: var(--texto-2); }
.resultado dd { margin: 0; color: var(--texto); font-weight: 600; }

.visualmente-oculto {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}