/* ============================================================
   GANAMATIK — Página de registro
   HTML + CSS + JavaScript vanilla. Sin frameworks ni recursos externos.
   Mobile-first: la columna se limita a 430px y se centra en pantallas
   grandes, replicando la maqueta de referencia.
   ============================================================ */

:root {
    /* --- Paleta --- */
    --negro:        #000000;
    --negro-2:      #08070a;
    --panel:        #0d0c10;
    --panel-2:      #131218;

    --naranja:      #ff7a00;
    --naranja-2:    #ff9e2c;
    --naranja-luz:  #ffc36b;
    --naranja-tenue: rgba(255, 122, 0, .35);

    --blanco:       #ffffff;
    --gris:         #9a9aa2;
    --gris-2:       #6f6f78;

    --error:        #ff5a4d;

    /* --- Medidas --- */
    --ancho-app:    430px;
    --radio:        10px;
    --radio-lg:     14px;
    --alto-desliza: 72px;
    /* El bloque de registro debe caber en ~1/3 de la pantalla para que
       abajo entren las 4 filas de 3 marcas. Por eso el logo se controla
       por altura. */
    --alto-logo:    clamp(52px, 16.5vw, 68px);

    /* --- Tipografía --- */
    --fuente: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--fuente);
    color: var(--blanco);
    background: var(--negro);
    line-height: 1.35;
}

img { max-width: 100%; height: auto; display: block; }

/* Sprite de iconos: presente en el DOM pero fuera de pantalla */
.sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* Texto solo para lectores de pantalla */
.solo-lectores {
    position: absolute;
    width: 1px; height: 1px;
    margin: -1px; padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* Foco visible siempre */
:focus-visible {
    outline: 2px solid var(--naranja-2);
    outline-offset: 2px;
}

/* Todos los SVG usan trazo heredado desde el color del contenedor.
   height:auto respeta el viewBox y evita que el icono estire su caja. */
svg {
    display: block;
    width: 100%;
    height: auto;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}


/* ============================================================
   ESTRUCTURA
   ============================================================ */

.marco {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    background:
        radial-gradient(120% 60% at 50% 0%, #16100a 0%, #060506 60%, #000 100%);
}

.app {
    position: relative;
    width: 100%;
    max-width: var(--ancho-app);
    padding: clamp(8px, 2.2vw, 12px) clamp(12px, 4vw, 18px) calc(var(--alto-desliza) + 14px);
    background: var(--negro);
}

/* En pantallas grandes se dibuja el borde del dispositivo de la maqueta */
@media (min-width: 560px) {
    .marco { padding: clamp(6px, 2vh, 22px) 12px; align-items: flex-start; }
    .app {
        border: 2px solid var(--naranja);
        border-radius: 34px;
        box-shadow:
            0 0 0 6px #120b05,
            0 0 28px rgba(255, 122, 0, .35),
            0 0 70px rgba(255, 122, 0, .15);
    }
}


/* ============================================================
   CABECERA / LOGO
   ============================================================ */

.cabecera { margin: 0 0 2px; }

.cabecera__logo {
    margin: 0;
    font-size: 0;
}

.cabecera__logo img {
    height: var(--alto-logo);
    aspect-ratio: 828 / 374;
    width: auto;
    max-width: 100%;
    margin: 0 auto;
    border-radius: var(--radio-lg);
}


/* ============================================================
   DIVISOR "REGÍSTRATE"
   ============================================================ */

.divisor {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 3px 0 5px;
}

.divisor__linea {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--naranja) 60%, var(--naranja));
    position: relative;
}

.divisor__linea:last-child {
    background: linear-gradient(270deg, transparent, var(--naranja) 60%, var(--naranja));
}

/* Rombo decorativo sobre la línea, como en la maqueta */
.divisor__linea::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 14px;
    width: 6px; height: 6px;
    transform: translateY(-50%) rotate(45deg);
    background: var(--naranja);
}

.divisor__linea:last-child::after { right: auto; left: 14px; }

.divisor__texto {
    margin: 0;
    font-size: clamp(.95rem, 4.2vw, 1.12rem);
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    white-space: nowrap;
}


/* ============================================================
   FORMULARIO
   ============================================================ */

.form { margin: 0; }

.campo {
    display: flex;
    align-items: stretch;
    border: 1.5px solid var(--naranja);
    border-radius: var(--radio);
    background: #050505;
    overflow: hidden;
    transition: box-shadow .18s ease, border-color .18s ease;
}

.campo:focus-within {
    border-color: var(--naranja-2);
    box-shadow: 0 0 0 2px rgba(255, 158, 44, .25);
}

.campo__icono {
    flex: 0 0 auto;
    width: 38px;
    display: grid;
    place-items: center;
    padding: 9px;
    color: var(--naranja);
    border-right: 1.5px solid var(--naranja);
    background: #0a0708;
}

.campo__input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--blanco);
    font: inherit;
    font-size: .86rem;
    padding: 8px 11px;
}

.campo__input::placeholder { color: var(--gris-2); }
.campo__input:focus { outline: none; }

/* Autocompletado de Chrome: evita el fondo azul claro */
.campo__input:-webkit-autofill {
    -webkit-text-fill-color: var(--blanco);
    -webkit-box-shadow: 0 0 0 1000px #050505 inset;
}

.campo__ojo {
    flex: 0 0 auto;
    width: 38px;
    display: grid;
    place-items: center;
    padding: 10px;
    border: 0;
    background: transparent;
    color: var(--naranja);
    cursor: pointer;
}

.campo__ojo:hover { color: var(--naranja-luz); }

/* El <p class="error"> vacío no muestra texto, pero mantiene la
   separación entre campos. */
.error {
    margin: 0 0 5px;
    padding: 0 4px;
    font-size: .72rem;
    color: var(--error);
}
.error:not(:empty) { margin: 3px 0 5px; }

.campo__input[aria-invalid="true"] { color: var(--error); }
.campo:has(.campo__input[aria-invalid="true"]) { border-color: var(--error); }
.campo:has(.campo__input[aria-invalid="true"]) .campo__icono {
    border-right-color: var(--error);
    color: var(--error);
}

.olvido {
    margin: 0 0 6px;
    text-align: center;
    font-size: .72rem;
}

.olvido a {
    color: var(--naranja);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.olvido a:hover { color: var(--naranja-luz); }

/* --- Botón principal --- */
.boton-principal {
    display: block;
    width: 100%;
    padding: 9px 18px;
    border: 1.5px solid var(--naranja-luz);
    border-radius: 999px;
    background: linear-gradient(180deg, var(--naranja-2) 0%, var(--naranja) 55%, #e05f00 100%);
    color: #1a0d00;
    font: inherit;
    font-size: .96rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 0 18px rgba(255, 122, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .35);
    transition: transform .12s ease, box-shadow .18s ease, filter .18s ease;
}

.boton-principal:hover { filter: brightness(1.07); box-shadow: 0 0 26px rgba(255, 122, 0, .6); }
.boton-principal:active { transform: translateY(1px); }

.aviso-envio {
    margin: 10px 0 0;
    font-size: .85rem;
    text-align: center;
    color: var(--naranja-luz);
}
.aviso-envio:empty { margin: 0; }


/* ============================================================
   SEPARADOR CON CHEVRON
   ============================================================ */

.separador-chevron {
    position: relative;
    margin: 6px 0 6px;
    display: grid;
    place-items: center;
}

.separador-chevron__linea {
    position: absolute;
    inset: 50% 0 auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--naranja-tenue) 20%, var(--naranja-tenue) 80%, transparent);
}

.chevron {
    position: relative;
    width: 26px;
    height: 26px;
    padding: 6px;
    display: grid;
    place-items: center;
    border: 1.5px solid var(--naranja);
    border-radius: 50%;
    background: var(--negro);
    color: var(--naranja);
    cursor: pointer;
    transition: transform .25s ease, color .2s ease;
}

.chevron:hover { color: var(--naranja-luz); }
.chevron[aria-expanded="false"] { transform: rotate(180deg); }


/* ============================================================
   MARCAS
   ============================================================ */

.marcas__titulo {
    margin: 0 0 3px;
    font-size: clamp(.95rem, 4.1vw, 1.14rem);
    font-weight: 800;
    letter-spacing: .01em;
    text-transform: uppercase;
}

.marcas__meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 7px;
}

.marcas__ayuda {
    margin: 0;
    font-size: .63rem;
    color: var(--gris);
}

.marcas__contador {
    margin: 0;
    flex: 0 0 auto;
    font-size: .68rem;
    color: var(--blanco);
}

.marcas__cifra {
    color: var(--naranja);
    font-weight: 700;
}

.marcas__alerta {
    margin: 0;
    font-size: .78rem;
    color: var(--error);
}
.marcas__alerta:not(:empty) { margin: 0 0 8px; }

/* --- Grilla de tarjetas --- */
.grilla {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 7px;
    margin: 0 0 11px;
    padding: 0;
    list-style: none;
}

.tarjeta {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 2px;
    height: 100%;
    min-height: 78px;
    padding: 8px 4px 7px;
    border: 1.5px solid rgba(255, 122, 0, .55);
    border-radius: var(--radio);
    background: linear-gradient(180deg, var(--panel-2), var(--panel));
    text-align: center;
    cursor: pointer;
    transition: border-color .18s ease, box-shadow .18s ease, transform .12s ease;
}

.tarjeta:hover { border-color: var(--naranja); transform: translateY(-2px); }

.tarjeta__check {
    position: absolute;
    opacity: 0;
    width: 1px; height: 1px;
    margin: 0;
    pointer-events: none;
}

/* Iconos de marca: emojis a color, como en la maqueta.
   Se usan las fuentes de emoji del propio sistema, no hay descarga. */
.tarjeta__icono {
    height: 32px;
    display: grid;
    place-items: center;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
    font-size: 26px;
    line-height: 1;
}

.tarjeta__nombre {
    font-size: .74rem;
    font-weight: 700;
    line-height: 1.12;
    color: var(--blanco);
}

.tarjeta__rubro {
    font-size: .58rem;
    line-height: 1.1;
    color: var(--gris);
}

/* Marca de selección */
.tarjeta__marca {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 18px;
    height: 18px;
    padding: 3px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--naranja);
    color: #140a00;
    opacity: 0;
    transform: scale(.6);
    transition: opacity .16s ease, transform .16s ease;
}

/* Estado: seleccionada */
.tarjeta:has(.tarjeta__check:checked) {
    border-color: var(--naranja-luz);
    background: linear-gradient(180deg, #2a1704, #150c02);
    box-shadow: 0 0 16px rgba(255, 122, 0, .45), inset 0 0 0 1px rgba(255, 195, 107, .3);
}

.tarjeta:has(.tarjeta__check:checked) .tarjeta__marca {
    opacity: 1;
    transform: scale(1);
}

/* Foco por teclado sobre el checkbox oculto */
.tarjeta:has(.tarjeta__check:focus-visible) {
    outline: 2px solid var(--naranja-2);
    outline-offset: 2px;
}

/* Cupo lleno: las no seleccionadas se atenúan */
.grilla--lleno .tarjeta:not(:has(.tarjeta__check:checked)) {
    opacity: .45;
}


/* ============================================================
   TÉRMINOS
   ============================================================ */

.terminos {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 4px 2px;
}

.terminos__check {
    flex: 0 0 auto;
    appearance: none;
    -webkit-appearance: none;
    width: 30px;
    height: 30px;
    margin: 0;
    border: 2px solid var(--naranja);
    border-radius: 7px;
    background: #050505;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background .16s ease;
}

.terminos__check::after {
    content: "";
    width: 15px;
    height: 9px;
    border-left: 3px solid #140a00;
    border-bottom: 3px solid #140a00;
    transform: rotate(-45deg) translate(1px, -2px) scale(.5);
    opacity: 0;
    transition: opacity .14s ease, transform .14s ease;
}

.terminos__check:checked { background: var(--naranja); }
.terminos__check:checked::after { opacity: 1; transform: rotate(-45deg) translate(1px, -2px) scale(1); }

.terminos__texto {
    font-size: .92rem;
    line-height: 1.4;
    color: var(--blanco);
    cursor: pointer;
}

.terminos__texto a {
    color: var(--naranja);
    text-decoration: none;
}

.terminos__texto a:hover { text-decoration: underline; }

.error--terminos { margin: 4px 0 0; padding-left: 44px; }


/* ============================================================
   AVISO INFERIOR "DESLIZA HACIA ABAJO"
   ============================================================ */

.desliza {
    position: fixed;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: min(100%, var(--ancho-app));
    padding: 6px clamp(10px, 4vw, 16px) 5px;
    border-top: 1.5px solid var(--naranja-tenue);
    background: linear-gradient(180deg, rgba(0, 0, 0, .82) 0%, #000 45%);
    backdrop-filter: blur(3px);
    transition: opacity .3s ease, transform .3s ease;
}

.desliza--oculto {
    opacity: 0;
    transform: translateX(-50%) translateY(100%);
    pointer-events: none;
}

.desliza__fila {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(8px, 3vw, 16px);
}

.desliza__doble {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 2px;
    color: var(--naranja-luz);
    opacity: .85;
}

.desliza__doble svg {
    width: 18px;
    height: 18px;
    stroke-width: 2.4;
}

.desliza__doble svg:last-child { margin-top: -12px; }

.desliza__flecha {
    flex: 0 0 auto;
    width: clamp(21px, 6.4vw, 28px);
    height: clamp(24px, 7.2vw, 32px);
    color: var(--naranja);
    filter: drop-shadow(0 0 6px rgba(255, 122, 0, .55));
    animation: rebote 1.6s ease-in-out infinite;
}

.desliza__texto {
    margin: 0;
    text-align: center;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: .02em;
    line-height: 1.2;
}

.desliza__linea-1,
.desliza__linea-2 {
    display: block;
    font-size: clamp(.8rem, 3.7vw, 1rem);
}

.desliza__linea-1 { color: var(--blanco); }
.desliza__linea-2 { color: var(--naranja); }

@keyframes rebote {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(5px); }
}

/* Con el marco del dispositivo dibujado, el aviso se mete por dentro
   del borde para no taparlo. */
@media (min-width: 560px) {
    .desliza {
        width: calc(var(--ancho-app) - 6px);
        border-radius: 0 0 30px 30px;
    }
}


/* ============================================================
   PLEGADO DE LA GRILLA DE MARCAS
   ============================================================ */

.grilla[hidden],
.marcas__meta[hidden] { display: none; }

/* Con la grilla plegada, el aviso de "desliza" ya no aplica */
body.marcas-plegadas .desliza { display: none; }


/* ============================================================
   PREFERENCIAS DE MOVIMIENTO
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
}


/* ============================================================
   PANTALLAS BAJAS
   El objetivo es que en la primera vista entren el bloque de registro
   y las 4 filas de 3 marcas. En celulares de pantalla más baja hay que
   comprimir logo y tarjetas para que sigan cabiendo.
   ============================================================ */

/* ============================================================
   PANTALLAS MUY ANGOSTAS (320px)
   Va antes que las reglas de alto: si el celular es angosto Y bajo,
   mandan las de alto, que son las que garantizan las 4 filas.
   ============================================================ */

@media (max-width: 340px) {
    .grilla { gap: 6px; }
    .tarjeta { padding: 7px 3px 6px; }
    .tarjeta__nombre { font-size: .68rem; }
    .tarjeta__rubro { font-size: .54rem; }
    .marcas__meta { flex-direction: column; align-items: flex-start; gap: 1px; }
}


/* Pantallas altas: sobra espacio, así que el logo y las tarjetas crecen
   sin dejar de mostrar las 4 filas. */
@media (min-height: 830px) {
    :root { --alto-logo: clamp(68px, 20vw, 96px); }

    .tarjeta { min-height: 80px; padding: 8px 5px 7px; gap: 2px; }
    .tarjeta__icono { height: 33px; font-size: 27px; }
    .tarjeta__nombre { font-size: .78rem; }
    .tarjeta__rubro  { font-size: .62rem; }
    .grilla { gap: 8px; }
}

@media (max-height: 800px) {
    :root { --alto-logo: clamp(44px, 14vw, 54px); }

    .tarjeta { min-height: 64px; padding: 6px 4px 5px; gap: 1px; }
    .tarjeta__icono { height: 24px; font-size: 20px; }
    .tarjeta__nombre { font-size: .68rem; }
    .tarjeta__rubro  { font-size: .54rem; }
    .grilla { gap: 6px; margin-bottom: 9px; }

    .marcas__ayuda { font-size: .58rem; }
    .marcas__meta { margin-bottom: 5px; }
    .separador-chevron { margin: 4px 0 5px; }
}

@media (max-height: 730px) {
    :root {
        --alto-logo: clamp(34px, 11vw, 44px);
        --alto-desliza: 50px;
    }

    .tarjeta { min-height: 54px; padding: 5px 3px 4px; gap: 0; }
    .tarjeta__icono { height: 20px; font-size: 17px; }
    .tarjeta__nombre { font-size: .63rem; }
    .tarjeta__rubro  { font-size: .5rem; }
    .grilla { gap: 5px; margin-bottom: 8px; }

    .campo__input { padding: 6px 10px; font-size: .8rem; }
    .campo__icono, .campo__ojo { width: 34px; padding: 8px; }
    .boton-principal { padding: 7px 18px; font-size: .9rem; }
    .error { margin-bottom: 4px; }
    .marcas__titulo { font-size: .9rem; }
    .divisor__texto { font-size: .9rem; }

    /* El aviso inferior se reduce a una sola línea para ganar alto */
    .desliza__linea-1, .desliza__linea-2 { display: inline; font-size: .78rem; }
    .desliza__doble { display: none; }
    .desliza__flecha { width: 18px; height: 21px; }
}