/* ==========================================================================
   Club ETEC
   Mismo lenguaje visual que la página de donaciones de Espacio TEC:
   papel claro, barra oscura con franjas, títulos pesados, botones magenta.
   Mobile first; a partir de 960px, club y planes van en dos columnas.
   ========================================================================== */

:root{
  --purpura:#784690;
  --magenta:#bc005a;
  --coral:#c8563c;
  --ambar:#db9600;
  --amarillo:#f4d800;
  --lima:#d7d91f;

  --ink:#14171b;
  --paper:#f7f5f1;
  --card:#fff;
  --line:#ddd8d0;
  --muted:#6a6a70;

  --radio:18px;
  --gutter:16px;
  --franjas:linear-gradient(90deg,var(--purpura),var(--magenta) 20%,var(--coral) 40%,var(--ambar) 60%,var(--amarillo) 80%,var(--lima));
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;cursor:pointer}
a{color:inherit}
h1,h2{letter-spacing:-.04em;line-height:1.02;margin:0 0 .35em;font-weight:900}
h1{font-size:clamp(2.2rem,min(10vw,10vh),4.2rem)}
h2{font-size:clamp(1.6rem,6vw,2.4rem)}
p{margin:0 0 .8em}
:where(a,button,summary):focus-visible{outline:3px solid var(--ambar);outline-offset:3px;border-radius:6px}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:10px 20px;border:0;border-radius:999px;
  background:var(--magenta);color:#fff;font-weight:800;text-decoration:none;text-align:center;
  box-shadow:0 6px 18px rgba(188,0,90,.28);transition:transform .12s ease;
}
.btn:active{transform:translateY(1px)}
.btn-grande{width:100%;min-height:58px;font-size:1.08rem;margin-top:6px}
.btn-oscuro{background:var(--ink);box-shadow:none}

/* ---------- Barra de arriba ---------- */
.barra{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px var(--gutter);background:var(--ink);
}
.barra img{height:34px;width:auto}
.barra>a:first-child{flex-shrink:0}
.franjas{height:5px;background:var(--franjas)}

/* ---------- Estructura ---------- */
.principal{max-width:1240px;margin-inline:auto}
@media(min-width:960px){
  .principal{
    display:grid;grid-template-columns:minmax(0,1.55fr) minmax(340px,1fr);
    gap:32px;padding:32px 24px;align-items:start;
  }
  .planes{position:sticky;top:78px}
}

/* ---------- El club ---------- */
.club-texto{padding:24px var(--gutter) 16px}
.club-texto p{font-size:1.08rem;color:#3b3f45;max-width:44ch;margin:0}
.club-logo{width:150px;height:auto;image-rendering:pixelated;margin-bottom:16px}
@media(min-width:960px){
  .club-texto{padding:0 0 20px}
  .club-logo{width:190px}
}

.foto-principal{margin:0}
.foto-principal img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}
@media(min-width:960px){ .foto-principal img{border-radius:var(--radio)} }

.beneficios{
  list-style:none;margin:0;padding:16px var(--gutter) 8px;
  display:grid;gap:8px;
}
@media(min-width:640px){ .beneficios{grid-template-columns:1fr 1fr} }
@media(min-width:960px){ .beneficios{padding:16px 0 0} }
.beneficios li{
  position:relative;padding:12px 14px 12px 36px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);font-size:.95rem;
}
/* Viñeta de un pixel grande, como el logo */
.beneficios li::before{
  content:'';position:absolute;left:14px;top:1.15em;width:10px;height:10px;
  background:var(--magenta);
}

/* ---------- Planes ---------- */
.planes{padding:24px var(--gutter) 40px;scroll-margin-top:60px}
@media(min-width:960px){ .planes{padding:0} }
.tarjeta{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radio);
  padding:22px 18px;box-shadow:0 18px 50px rgba(20,23,27,.08);
}
@media(min-width:560px){ .tarjeta{padding:26px 24px;max-width:520px;margin-inline:auto} }

.plan-opciones,.periodos{display:grid;gap:4px;padding:4px;background:#efece6;border-radius:999px;margin-bottom:10px}
.plan-opciones{grid-template-columns:repeat(3,1fr)}
.periodos{grid-template-columns:1fr 1fr;margin-bottom:18px}
.plan-opciones button,.periodos button{
  border:0;background:transparent;border-radius:999px;padding:10px 6px;
  font-weight:800;font-size:.92rem;line-height:1.2;
}
.periodos small{display:block;font-size:.7rem;font-weight:700;color:var(--magenta)}
.plan-opciones button[aria-pressed="true"],.periodos button[aria-pressed="true"]{background:var(--ink);color:#fff}
.periodos button[aria-pressed="true"] small{color:var(--amarillo)}

.precio{margin:0 0 6px;color:var(--muted);font-size:.95rem}
.precio b{font-size:clamp(2rem,8vw,2.6rem);color:var(--ink);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.incluye{
  margin:0 0 12px;padding:10px 12px;border-radius:12px;
  background:#fbf6e3;font-size:.92rem;
}
.pie-form{margin:10px 0 0;font-size:.85rem;color:var(--muted);text-align:center}

/* ---------- Museo ---------- */
.museo,.exterior,.faq{max-width:1240px;margin-inline:auto;padding:40px var(--gutter) 8px}
@media(min-width:960px){ .museo,.exterior,.faq{padding:48px 24px 8px} }
.fotos{
  display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:12px;
  margin:18px calc(var(--gutter) * -1) 0;padding-inline:var(--gutter);
  overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;
}
.fotos::-webkit-scrollbar{display:none}
@media(min-width:640px){
  .fotos{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);margin-inline:0;padding-inline:0;overflow:visible}
}
.fotos figure{margin:0;scroll-snap-align:start;min-width:0}
.fotos img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:14px}
.fotos figcaption{font-weight:800;margin-top:8px}

/* ---------- Desde otro país ---------- */
.caja{
  padding:22px 18px;border-radius:var(--radio);
  background:#fff;border:1px solid var(--line);display:grid;gap:18px;
}
.caja p{color:#3b3f45;max-width:60ch}
@media(min-width:720px){ .caja{padding:28px} }
@media(min-width:960px){ .caja:has(.donorbox:not([hidden])){grid-template-columns:1fr 1.3fr;align-items:start} }
.donorbox dbox-widget{display:block;width:100%}

/* ---------- Preguntas ---------- */
.faq{padding-bottom:56px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:8px;max-width:760px}
.faq summary{padding:16px 18px;font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:700;color:var(--magenta)}
.faq details[open] summary::after{content:'−'}
.faq details p{padding:0 18px 16px;margin:0;color:#3b3f45}

/* ---------- Barra fija del celular: aparece cuando la tarjeta no está a la vista ---------- */
.fija{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
  background:var(--ink);color:#fff;font-weight:700;font-size:.9rem;
  transform:translateY(110%);transition:transform .25s ease;
}
.fija.visible{transform:none}
.fija .btn{flex:0 0 auto}
@media(min-width:960px){ .fija{display:none} }

/* ---------- Pie ---------- */
.pie{background:var(--ink);color:#c9ccd1;padding:32px var(--gutter) calc(88px + env(safe-area-inset-bottom));text-align:center;font-size:.92rem}
@media(min-width:960px){ .pie{padding-bottom:32px} }
.pie a{color:#fff;font-weight:700;margin:0 8px}
.pie .legal{max-width:60ch;margin-inline:auto;font-size:.8rem;color:#8b939c}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}

/* ---------- Selector de idioma ---------- */
.idioma{display:flex;gap:2px;padding:3px;margin-left:auto;background:rgba(255,255,255,.1);border-radius:999px}
.idioma button{
  display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;color:#c9ccd1;
  border-radius:999px;padding:6px 10px;font-weight:800;font-size:.8rem;
}
.idioma svg{width:20px;height:auto;border-radius:3px;display:block}
.idioma button[aria-pressed="true"]{background:#fff;color:var(--ink)}
@media(max-width:420px){
  .barra{gap:8px}
  .barra img{height:28px}
}
@media(max-width:360px){
  .barra img{height:22px}
  .idioma svg{display:none}
}
@media(max-width:420px){
  .idioma button{padding:6px 8px;gap:4px}
  .barra>.btn{padding:8px 14px;font-size:.9rem}
}