/* ===== [FUNDADORES] Socios Fundadores ===== */
#fundadores{padding:72px 0;position:relative;}
#fundadores[hidden],#fundadores-franja[hidden]{display:none;}
.fd-in{
  max-width:1180px;margin:0 auto;padding:44px 40px;border-radius:24px;position:relative;overflow:hidden;
  background:
    radial-gradient(900px 340px at 12% -10%,rgba(255,176,0,.20),transparent 60%),
    radial-gradient(700px 300px at 100% 110%,rgba(255,122,26,.16),transparent 60%),
    #0F121A;
  border:1px solid rgba(255,176,0,.55);
  box-shadow:0 0 0 1px rgba(255,176,0,.12) inset,0 30px 80px rgba(0,0,0,.55),0 0 60px rgba(255,176,0,.10);
}
.fd-in::before{ /* filo dorado superior */
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,transparent,#FFB000 30%,#FF7A1A 70%,transparent);
}
.fd-doble{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:start;}
.fd-etiqueta{
  display:inline-block;font-weight:800;letter-spacing:.14em;text-transform:uppercase;font-size:16px;
  color:#FFC23A;border:1px solid rgba(255,176,0,.6);border-radius:999px;padding:6px 14px;margin:0 0 18px;
}
.fd-h2{margin:0 0 14px;font-size:clamp(34px,5vw,56px);line-height:1.05;color:#fff;}
.fd-n{background:linear-gradient(90deg,#FFC23A,#FF7A1A);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:900;}
.fd-de{color:#F2F4F7;font-weight:700;}
.fd-p{font-size:20px;line-height:1.55;color:#F2F4F7;max-width:56ch;margin:0 0 26px;}
/* los 10 cupos: lleno = tomado · encendido = libre */
.fd-cupos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(10,1fr);gap:8px;max-width:620px;}
.fd-cupo{aspect-ratio:1/1.15;border-radius:10px;display:grid;place-items:center;font-size:16px;font-variant-numeric:tabular-nums;}
.fd-cupo b{font-weight:800;}
.fd-cupo.libre{background:linear-gradient(160deg,#FFC23A,#FF7A1A);color:#1A1100;box-shadow:0 0 18px rgba(255,176,0,.45);}
.fd-cupo.tomado{background:#161A24;color:#8E98A8;border:1px dashed #4A5468;text-decoration:line-through;}
.fd-ventajas{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px;}
.fd-ventajas li{display:flex;align-items:baseline;gap:14px;padding:12px 16px;border-radius:12px;background:rgba(255,176,0,.08);border:1px solid rgba(255,176,0,.35);}
.fd-ventajas b{font-size:24px;color:#FFC23A;min-width:7.4ch;white-space:nowrap;}
.fd-ventajas span{font-size:18px;color:#F2F4F7;}
.fd-boton{width:100%;justify-content:center;}
.fd-alt{display:block;text-align:center;margin:14px 0 6px;font-size:18px;color:#FFC23A;text-decoration:underline;text-underline-offset:4px;}
.fd-chico{font-size:16px;line-height:1.5;color:#E3E7EE;margin:10px 0 0;}
/* franja corta debajo del hero */
#fundadores-franja{
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;text-align:center;
  padding:14px 20px;font-weight:800;font-size:18px;color:#1A1100;text-decoration:none;
  background:linear-gradient(90deg,#FFB000,#FF7A1A);
}
#fundadores-franja:hover{filter:brightness(1.08);}
#fundadores-franja:focus-visible{outline:3px solid #fff;outline-offset:-6px;}
.fd-franja-punto{width:10px;height:10px;border-radius:50%;background:#1A1100;animation:fd-latido 1.6s ease-in-out infinite;}
@keyframes fd-latido{50%{transform:scale(1.7);opacity:.45;}}
@media (prefers-reduced-motion:reduce){.fd-franja-punto{animation:none;}}
@media (max-width:900px){
  .fd-doble{grid-template-columns:1fr;gap:28px;}
  .fd-in{padding:32px 20px;border-radius:18px;}
  #fundadores{padding:48px 0;}
}
@media (max-width:420px){.fd-cupos{gap:5px;}.fd-cupo{font-size:16px;border-radius:7px;}}