/* =========================================================================
   Team Deportes y Eventos — Campus de fútbol
   Aesthetic: "Stadium editorial" — condensed display, sharp corners,
   dominant red accent, generous whitespace. Mobile-first.
   ========================================================================= */

:root {
    --rojo: #B11226;
    --rojo-oscuro: #8B0E1E;
    --rojo-tinta: #6E0B18;
    --grafito: #4A4A4A;
    --grafito-suave: #6F6F6F;
    --tinta: #1C1C1C;
    --blanco: #FFFFFF;
    --hueso: #FAF8F6;
    --niebla: #F1EEEB;
    --linea: #E4E0DC;
    --linea-fuerte: #CBC6C1;
    --verde: #2E7D52;

    --fuente-display: "Anton", "Arial Narrow", sans-serif;
    --fuente-texto: "Manrope", "Segoe UI", system-ui, sans-serif;

    --ancho: 1200px;
    --radio: 2px;
    --sombra: 0 18px 50px -28px rgba(28, 28, 28, 0.45);
    --sombra-suave: 0 10px 30px -22px rgba(28, 28, 28, 0.4);
    --transicion: 220ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

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

body {
    margin: 0;
    font-family: var(--fuente-texto);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--grafito);
    background-color: var(--blanco);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

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

a {
    color: var(--rojo);
    text-decoration: none;
    transition: color var(--transicion);
}

a:hover {
    color: var(--rojo-oscuro);
}

h1, h2, h3 {
    font-family: var(--fuente-display);
    font-weight: 400;
    color: var(--tinta);
    line-height: 0.96;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    margin: 0;
}

p {
    margin: 0 0 1.1rem;
}

:focus-visible {
    outline: 3px solid var(--rojo);
    outline-offset: 3px;
}

.contenedor {
    width: 100%;
    max-width: var(--ancho);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    z-index: 200;
    background: var(--tinta);
    color: #fff;
    padding: 0.75rem 1.25rem;
    font-weight: 700;
}
.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

/* ---- Etiqueta / kicker ---------------------------------------------------*/
.kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--fuente-texto);
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--rojo);
}
.kicker::before {
    content: "";
    width: 28px;
    height: 2px;
    background: var(--rojo);
}

.indice {
    font-family: var(--fuente-display);
    font-size: 0.95rem;
    color: var(--rojo);
    letter-spacing: 0.05em;
}

/* ---- Botones -------------------------------------------------------------*/
.btn {
    --bg: var(--rojo);
    --fg: #fff;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--bg);
    color: var(--fg);
    border: 2px solid var(--bg);
    font-family: var(--fuente-texto);
    font-weight: 800;
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 1rem 1.9rem;
    border-radius: var(--radio);
    cursor: pointer;
    transition: transform var(--transicion), background var(--transicion),
        color var(--transicion), box-shadow var(--transicion);
}
.btn:hover {
    color: var(--fg);
    transform: translateY(-2px);
    box-shadow: 0 14px 28px -14px rgba(177, 18, 38, 0.65);
}
.btn:active {
    transform: translateY(0);
}
.btn--fantasma {
    --bg: transparent;
    --fg: var(--tinta);
    border-color: var(--tinta);
}
.btn--fantasma:hover {
    --bg: var(--tinta);
    --fg: #fff;
    box-shadow: none;
}
.btn--bloque {
    width: 100%;
    justify-content: center;
    padding-block: 1.2rem;
    font-size: 0.95rem;
}
.btn .flecha {
    transition: transform var(--transicion);
}
.btn:hover .flecha {
    transform: translateX(4px);
}

/* ---- Cabecera ------------------------------------------------------------*/
.cabecera {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--linea);
    transition: box-shadow var(--transicion);
}
.cabecera.is-scrolled {
    box-shadow: var(--sombra-suave);
}
.cabecera__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    height: 76px;
}
.marca {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}
.marca img {
    height: 46px;
    width: auto;
}
.marca__txt {
    display: none;
    font-family: var(--fuente-display);
    text-transform: uppercase;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    color: var(--tinta);
    line-height: 1;
}
.marca__txt span {
    display: block;
    font-family: var(--fuente-texto);
    font-weight: 700;
    font-size: 0.6rem;
    letter-spacing: 0.26em;
    color: var(--rojo);
}
.nav {
    display: none;
    align-items: center;
    gap: 2rem;
}
.nav a {
    color: var(--grafito);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    position: relative;
    padding-block: 0.3rem;
}
.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--rojo);
    transition: width var(--transicion);
}
.nav a:hover {
    color: var(--tinta);
}
.nav a:hover::after {
    width: 100%;
}
.cabecera .btn {
    padding: 0.7rem 1.3rem;
    font-size: 0.72rem;
}

@media (min-width: 720px) {
    .marca__txt { display: block; }
}
@media (min-width: 960px) {
    .nav { display: flex; }
}

/* ---- Hero ----------------------------------------------------------------*/
.hero {
    position: relative;
    padding-block: clamp(3.5rem, 8vw, 6.5rem);
    background:
        radial-gradient(120% 120% at 100% 0%, rgba(177, 18, 38, 0.06), transparent 55%),
        var(--hueso);
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--linea) 1px, transparent 1px),
        linear-gradient(90deg, var(--linea) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(80% 70% at 70% 30%, #000, transparent 75%);
    mask-image: radial-gradient(80% 70% at 70% 30%, #000, transparent 75%);
    opacity: 0.5;
    pointer-events: none;
}
.hero__grid {
    position: relative;
    display: grid;
    gap: 2.5rem;
    align-items: center;
}
.hero__edicion {
    margin: 1.3rem 0 0;
    font-weight: 700;
    color: var(--grafito);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}
.hero h1 {
    margin-top: 1.1rem;
    font-size: clamp(3.2rem, 13vw, 7.5rem);
}
.hero h1 .lleno {
    color: var(--rojo);
}
.hero h1 .contorno {
    color: transparent;
    -webkit-text-stroke: 2px var(--tinta);
    text-stroke: 2px var(--tinta);
}
.hero__sub {
    margin-top: 1.6rem;
    max-width: 46ch;
    font-size: 1.1rem;
    color: var(--grafito);
}
.hero__acciones {
    margin-top: 2.2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.hero__datos {
    margin-top: 2.6rem;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem 2.6rem;
    border-top: 1px solid var(--linea-fuerte);
    padding-top: 1.6rem;
}
.dato strong {
    display: block;
    font-family: var(--fuente-display);
    font-size: 1.7rem;
    color: var(--tinta);
    line-height: 1;
}
.dato span {
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--grafito-suave);
    font-weight: 700;
}

/* Ticket de precio */
.ticket {
    position: relative;
    justify-self: center;
    width: min(340px, 100%);
    background: var(--tinta);
    color: #fff;
    border-radius: var(--radio);
    padding: 2.2rem 2rem 2rem;
    box-shadow: var(--sombra);
    overflow: hidden;
}
.ticket::before,
.ticket::after {
    content: "";
    position: absolute;
    width: 28px;
    height: 28px;
    background: var(--hueso);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}
.ticket::before { left: -14px; }
.ticket::after { right: -14px; }
.ticket__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 700;
    padding-bottom: 1.4rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.25);
}
.ticket__top .estrella { color: var(--rojo); }
.ticket__precio {
    display: flex;
    align-items: flex-start;
    gap: 0.3rem;
    margin: 1.5rem 0 0.4rem;
}
.ticket__precio b {
    font-family: var(--fuente-display);
    font-size: 5rem;
    line-height: 0.8;
    color: #fff;
}
.ticket__precio i {
    font-family: var(--fuente-display);
    font-style: normal;
    font-size: 2rem;
    color: var(--rojo);
}
.ticket__nota {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85rem;
    margin: 0;
}
.ticket .btn {
    margin-top: 1.6rem;
}
.ticket__codigo {
    margin-top: 1.5rem;
    height: 34px;
    background-image: repeating-linear-gradient(90deg,
        #fff 0 2px, transparent 2px 4px, #fff 4px 5px, transparent 5px 9px);
    opacity: 0.85;
    border-radius: 1px;
}

@media (min-width: 880px) {
    .hero__grid {
        grid-template-columns: 1.35fr 0.9fr;
        gap: 4rem;
    }
}

/* ---- Secciones genéricas -------------------------------------------------*/
.seccion {
    padding-block: clamp(3.5rem, 8vw, 6rem);
}
.seccion--tinta {
    background: var(--tinta);
    color: rgba(255, 255, 255, 0.78);
}
.seccion--hueso { background: var(--hueso); }

.seccion__cab {
    max-width: 60ch;
    margin-bottom: 3rem;
}
.seccion__cab h2 {
    margin-top: 0.9rem;
    font-size: clamp(2.2rem, 6vw, 3.6rem);
}
.seccion--tinta h2 { color: #fff; }
.seccion--tinta .kicker { color: #ff5a6e; }
.seccion--tinta .kicker::before { background: #ff5a6e; }
.seccion__cab p {
    margin-top: 1.1rem;
    font-size: 1.08rem;
}

/* ---- Qué incluye ---------------------------------------------------------*/
.incluye {
    display: grid;
    gap: 1px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radio);
    overflow: hidden;
}
.incluye__item {
    background: var(--tinta);
    padding: 2rem 1.8rem;
    transition: background var(--transicion);
}
.incluye__item:hover { background: #262626; }
.incluye__num {
    font-family: var(--fuente-display);
    font-size: 1.1rem;
    color: var(--rojo);
}
.incluye__item h3 {
    color: #fff;
    font-size: 1.5rem;
    margin: 0.8rem 0 0.6rem;
}
.incluye__item p {
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.95rem;
}
@media (min-width: 640px) {
    .incluye { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
    .incluye { grid-template-columns: repeat(3, 1fr); }
}

/* ---- Galería -------------------------------------------------------------*/
.galeria {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}
.galeria__item {
    position: relative;
    margin: 0;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--radio);
    background: var(--niebla);
    cursor: zoom-in;
    border: 0;
    padding: 0;
}
.galeria__item::after {
    content: "Galería";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-family: var(--fuente-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--linea-fuerte);
    font-size: 0.9rem;
    z-index: 0;
}
.galeria__item img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms var(--transicion), filter var(--transicion);
}
.galeria__item:hover img {
    transform: scale(1.06);
}
.galeria__item .lupa {
    position: absolute;
    z-index: 2;
    right: 0.7rem;
    bottom: 0.7rem;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    background: var(--rojo);
    color: #fff;
    border-radius: 50%;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--transicion), transform var(--transicion);
}
.galeria__item:hover .lupa {
    opacity: 1;
    transform: translateY(0);
}
@media (min-width: 720px) {
    .galeria { grid-template-columns: repeat(4, 1fr); }
    .galeria__item:nth-child(1),
    .galeria__item:nth-child(6) {
        grid-column: span 2;
        grid-row: span 2;
        aspect-ratio: auto;
    }
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: none;
    place-items: center;
    padding: 1.5rem;
    background: rgba(18, 18, 18, 0.92);
    backdrop-filter: blur(4px);
}
.lightbox.is-open {
    display: grid;
    animation: fadein 200ms ease;
}
.lightbox img {
    max-width: min(960px, 92vw);
    max-height: 84vh;
    border-radius: var(--radio);
    box-shadow: var(--sombra);
}
.lightbox__cerrar {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: var(--tinta);
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
}
@keyframes fadein {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ---- Campus: selector de campus ------------------------------------------*/
.campus-grid {
    display: grid;
    gap: 1.4rem;
    grid-template-columns: 1fr;
}
@media (min-width: 720px) { .campus-grid { grid-template-columns: repeat(3, 1fr); } }

/* Tarjeta tipo ticket/entrada. --acento distinto por campus. */
.ticket-campus {
    --acento: var(--rojo);
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--linea);
    border-radius: var(--radio);
    box-shadow: var(--sombra-suave);
    transition: transform var(--transicion), box-shadow var(--transicion);
}
.ticket-campus--2 { --acento: var(--tinta); }
.ticket-campus--3 { --acento: var(--grafito); }
.ticket-campus:hover { transform: translateY(-5px); box-shadow: var(--sombra); }

/* Talón superior de color con el número de edición */
.ticket-campus__stub {
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
    padding: 1.25rem 1.5rem 1.15rem;
    background: var(--acento);
    color: #fff;
    border-radius: var(--radio) var(--radio) 0 0;
}
.ticket-campus__num {
    font-family: var(--fuente-display);
    font-size: 2.6rem;
    line-height: 0.75;
    letter-spacing: 0.03em;
}
.ticket-campus__kick {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    opacity: 0.85;
}

/* Cuerpo con separación perforada (línea de puntos + muescas laterales) */
.ticket-campus__body {
    position: relative;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 1.6rem 1.5rem 1.7rem;
    border-top: 2px dashed var(--linea-fuerte);
}
.ticket-campus__body::before,
.ticket-campus__body::after {
    content: "";
    position: absolute;
    top: -12px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--hueso);
}
.ticket-campus__body::before { left: -12px; }
.ticket-campus__body::after { right: -12px; }
.ticket-campus__body h3 { font-size: 1.5rem; color: var(--tinta); margin: 0; line-height: 1.1; }
.ticket-campus__sede {
    display: flex; align-items: center; gap: 0.4rem;
    margin: -0.35rem 0 0; font-size: 0.92rem; color: var(--grafito-suave);
    font-weight: 600;
}
.ticket-campus__sede svg { color: var(--acento); flex: none; }

/* Fechas: números en línea con separadores */
.ticket-campus__fechas {
    display: flex; align-items: baseline; flex-wrap: wrap; gap: 0.5rem;
    padding: 0.7rem 0;
    border-top: 1px solid var(--linea);
    border-bottom: 1px solid var(--linea);
}
.ticket-campus__dias {
    font-family: var(--fuente-display);
    font-size: 1.75rem;
    color: var(--tinta);
    line-height: 1;
    letter-spacing: 0.01em;
}
.ticket-campus__fechas em {
    font-style: normal; font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em; color: var(--acento);
}
.ticket-campus__meta {
    list-style: none; margin: 0; padding: 0;
    display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem;
    font-size: 0.9rem; color: var(--grafito); font-weight: 600;
}
.ticket-campus__meta li { display: flex; align-items: center; gap: 0.4rem; }
.ticket-campus__meta li::before {
    content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--acento);
}
.ticket-campus__precio {
    display: flex; align-items: baseline; gap: 0.15rem;
    margin: 0.1rem 0 0.3rem; color: var(--tinta);
}
.ticket-campus__precio i { font-style: normal; font-size: 1.1rem; font-weight: 700; }
.ticket-campus__precio b { font-family: var(--fuente-display); font-size: 2.2rem; line-height: 0.9; }
.ticket-campus__precio small { font-size: 0.8rem; color: var(--grafito-suave); margin-left: 0.35rem; font-weight: 600; }
.ticket-campus .btn { --bg: var(--acento); width: 100%; margin-top: auto; }

.campus-nota { text-align: center; margin-top: 1.4rem; }

/* ---- Inscripción / Formulario -------------------------------------------*/
.inscripcion {
    background:
        radial-gradient(100% 80% at 0% 0%, rgba(177, 18, 38, 0.05), transparent 60%),
        var(--hueso);
}
.inscripcion__grid {
    display: grid;
    gap: 2.5rem;
}
.inscripcion__aside h2 {
    font-size: clamp(2.2rem, 6vw, 3.4rem);
    margin-top: 0.9rem;
}
.inscripcion__aside p { margin-top: 1rem; }
.pasos {
    list-style: none;
    margin: 1.8rem 0 0;
    padding: 0;
    display: grid;
    gap: 1rem;
}
.pasos li {
    display: flex;
    gap: 0.9rem;
    align-items: baseline;
    font-weight: 600;
    color: var(--grafito);
}
.pasos b {
    font-family: var(--fuente-display);
    color: var(--rojo);
    font-size: 1.1rem;
}

.tarjeta-form {
    background: #fff;
    border: 1px solid var(--linea);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: clamp(1.5rem, 4vw, 2.6rem);
}
@media (min-width: 960px) {
    .inscripcion__grid {
        grid-template-columns: 0.85fr 1.15fr;
        gap: 4rem;
        align-items: start;
    }
    .inscripcion__aside {
        position: sticky;
        top: 100px;
    }
}

.formulario fieldset {
    border: 0;
    margin: 0 0 2rem;
    padding: 0;
}
.formulario legend {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--fuente-display);
    text-transform: uppercase;
    font-size: 1.2rem;
    color: var(--tinta);
    padding: 0;
    margin-bottom: 1.3rem;
    width: 100%;
    border-bottom: 1px solid var(--linea);
    padding-bottom: 0.7rem;
}
.formulario legend b {
    font-size: 0.95rem;
    color: var(--rojo);
}
.rejilla {
    display: grid;
    gap: 1.2rem;
}
@media (min-width: 560px) {
    .rejilla--2 { grid-template-columns: repeat(2, 1fr); }
    .col-completa { grid-column: 1 / -1; }
}

.campo {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}
.campo label {
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    color: var(--tinta);
    text-transform: uppercase;
}
.campo .req { color: var(--rojo); }
.campo .ayuda {
    font-weight: 500;
    font-size: 0.78rem;
    letter-spacing: 0;
    text-transform: none;
    color: var(--grafito-suave);
}

.control {
    font-family: var(--fuente-texto);
    font-size: 1rem;
    color: var(--tinta);
    background: var(--hueso);
    border: 1.5px solid var(--linea-fuerte);
    border-radius: var(--radio);
    padding: 0.85rem 1rem;
    width: 100%;
    transition: border-color var(--transicion), box-shadow var(--transicion),
        background var(--transicion);
}
.control:focus {
    outline: 0;
    background: #fff;
    border-color: var(--rojo);
    box-shadow: 0 0 0 3px rgba(177, 18, 38, 0.14);
}
textarea.control {
    min-height: 96px;
    resize: vertical;
}
select.control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234A4A4A' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.6rem;
}

/* error por campo */
.campo.tiene-error .control {
    border-color: var(--rojo);
    background: #fff5f6;
}
.error-msg {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--rojo);
    font-size: 0.82rem;
    font-weight: 700;
    margin: 0;
}
.error-msg::before {
    content: "!";
    flex: none;
    width: 16px;
    height: 16px;
    display: grid;
    place-items: center;
    background: var(--rojo);
    color: #fff;
    border-radius: 50%;
    font-size: 0.7rem;
}

/* aviso global de errores */
.aviso {
    display: flex;
    gap: 0.8rem;
    background: #fff5f6;
    border: 1px solid #f3c2c8;
    border-left: 4px solid var(--rojo);
    border-radius: var(--radio);
    padding: 1rem 1.2rem;
    margin-bottom: 1.8rem;
    color: var(--rojo-tinta);
    font-size: 0.92rem;
}
.aviso strong { color: var(--rojo); }

/* radios forma de pago */
.opciones-pago {
    display: grid;
    gap: 0.8rem;
}
@media (min-width: 420px) {
    .opciones-pago { grid-template-columns: repeat(2, 1fr); }
}
.pago {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.1rem;
    background: var(--hueso);
    border: 1.5px solid var(--linea-fuerte);
    border-radius: var(--radio);
    cursor: pointer;
    font-weight: 700;
    color: var(--tinta);
    transition: border-color var(--transicion), background var(--transicion);
}
.pago input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.pago__marca {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--linea-fuerte);
    display: grid;
    place-items: center;
    transition: border-color var(--transicion);
}
.pago__marca::after {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--rojo);
    transform: scale(0);
    transition: transform var(--transicion);
}
.pago:hover { border-color: var(--grafito-suave); }
.pago input:checked ~ .pago__marca { border-color: var(--rojo); }
.pago input:checked ~ .pago__marca::after { transform: scale(1); }
.pago:has(input:checked) {
    border-color: var(--rojo);
    background: #fff;
}
.pago small {
    display: block;
    font-weight: 500;
    color: var(--grafito-suave);
    font-size: 0.78rem;
}

/* consentimientos */
.consentimientos { display: grid; gap: 1rem; }
.check {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.92rem;
    color: var(--grafito);
    line-height: 1.5;
}
.check input {
    position: absolute;
    opacity: 0;
    width: 22px;
    height: 22px;
    cursor: pointer;
}
.check__box {
    flex: none;
    width: 22px;
    height: 22px;
    border: 2px solid var(--linea-fuerte);
    border-radius: var(--radio);
    background: var(--hueso);
    display: grid;
    place-items: center;
    transition: background var(--transicion), border-color var(--transicion);
}
.check__box svg {
    width: 13px;
    height: 13px;
    stroke: #fff;
    stroke-width: 3.5;
    fill: none;
    opacity: 0;
    transition: opacity var(--transicion);
}
.check input:checked ~ .check__box {
    background: var(--rojo);
    border-color: var(--rojo);
}
.check input:checked ~ .check__box svg { opacity: 1; }
.check input:focus-visible ~ .check__box {
    outline: 3px solid var(--rojo);
    outline-offset: 2px;
}
.check.tiene-error .check__box { border-color: var(--rojo); }

/* honeypot — oculto por CSS, no por type=hidden */
.campo-trampa {
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

.formulario__pie {
    margin-top: 1.5rem;
}
.formulario__pie p {
    margin: 1rem 0 0;
    font-size: 0.82rem;
    color: var(--grafito-suave);
    text-align: center;
}

/* edad en vivo */
.edad-viva {
    font-weight: 700;
    color: var(--rojo);
    font-size: 0.78rem;
    letter-spacing: 0;
    text-transform: none;
}

/* ---- Gracias -------------------------------------------------------------*/
.gracias {
    min-height: 70vh;
    display: grid;
    place-items: center;
    text-align: center;
    background:
        radial-gradient(120% 100% at 50% 0%, rgba(177, 18, 38, 0.06), transparent 60%),
        var(--hueso);
    padding-block: clamp(3rem, 8vw, 6rem);
}
.gracias__sello {
    width: 90px;
    height: 90px;
    margin: 0 auto 2rem;
    display: grid;
    place-items: center;
    background: var(--verde);
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 16px 36px -16px rgba(46, 125, 82, 0.7);
    animation: pop 420ms cubic-bezier(0.18, 0.89, 0.32, 1.28);
}
.gracias__sello svg { width: 42px; height: 42px; stroke: #fff; stroke-width: 3; fill: none; }
.gracias h1 {
    font-size: clamp(2.6rem, 8vw, 4.6rem);
}
.gracias p {
    max-width: 52ch;
    margin: 1.4rem auto 0;
    font-size: 1.1rem;
    color: var(--grafito);
}
.gracias__acciones {
    margin-top: 2.4rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}
@keyframes pop {
    0% { transform: scale(0); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* ---- Pie -----------------------------------------------------------------*/
.pie {
    background: var(--tinta);
    color: rgba(255, 255, 255, 0.6);
    padding-block: 3.5rem 2rem;
}
.pie__grid {
    display: grid;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.pie__marca img {
    height: 54px;
    filter: brightness(0) invert(1);
    opacity: 0.92;
}
.pie__marca p {
    margin-top: 1.2rem;
    max-width: 34ch;
    font-size: 0.92rem;
}
.pie h4 {
    color: #fff;
    font-family: var(--fuente-texto);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.72rem;
    margin: 0 0 1.1rem;
}
.pie ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.pie a { color: rgba(255, 255, 255, 0.72); font-weight: 600; }
.pie a:hover { color: #fff; }
.redes { display: flex; gap: 0.8rem; }
.redes a {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    transition: background var(--transicion), border-color var(--transicion);
}
.redes a:hover { background: var(--rojo); border-color: var(--rojo); }
.redes svg { width: 18px; height: 18px; fill: currentColor; }
.pie__base {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 1.5rem;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}
@media (min-width: 720px) {
    .pie__grid { grid-template-columns: 1.6fr 1fr 1fr; }
}

/* ---- Animaciones de aparición -------------------------------------------*/
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 700ms ease, transform 700ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.is-visible {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
}

/* ===================== Patrocinadores / colaboran ===================== */
.patrocinadores {
    display: flex; flex-wrap: wrap; gap: 2.5rem;
    align-items: center; justify-content: center; margin-top: 1.8rem;
}
.patrocinadores img { height: 96px; width: auto; max-width: 300px; object-fit: contain; }
@media (max-width: 600px) { .patrocinadores img { height: 70px; } }

/* ===================== Fechas: campus + chips ===================== */
.fechas-campus { margin: .2rem 0 .2rem; font-size: .95rem; color: var(--grafito); }
.fechas-campus b { color: var(--tinta); }
.fechas-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin: .8rem 0 .55rem; }
.chip-fecha {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-width: 48px; padding: .45rem .5rem; line-height: 1;
    background: var(--rojo); color: #fff; border-radius: 8px;
    box-shadow: var(--sombra-suave);
}
.chip-fecha b { font-family: var(--fuente-display); font-size: 1.3rem; }
.chip-fecha small { font-size: .6rem; text-transform: uppercase; letter-spacing: .08em; margin-top: 3px; opacity: .92; }
.fechas-nota { font-size: .82rem; color: var(--grafito-suave); }