/* ============================================================
   HETINS RETOS — identidad visual
   ============================================================
   Hereda el lenguaje de Arena (azul noche + oro HETINS) porque es
   la misma casa, pero se diseña para móvil y para una persona
   sola: aquí no hay proyector ni aula. Quien llega desde DocTok lo
   abre con una mano, de pie, en dos minutos.
   ============================================================ */
:root{
  --fondo:#050B1F; --navy:#0A1533; --navy2:#101C42;
  --oro:#F2C94C; --oro-2:#FFE082; --oro-hondo:#B8912A;
  --verde:#2EE6A8; --rojo:#FF3D6E; --azul:#2D9CFF; --violeta:#8B5CF6;
  --texto:#FFFFFF; --tenue:#9FB0D8; --linea:rgba(255,255,255,.1);
  --cab:60px; --barra:64px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100dvh; background:var(--fondo); color:var(--texto);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased; overscroll-behavior-y:none;
  background-image:
    radial-gradient(900px 600px at 15% -10%, rgba(139,92,246,.22), transparent 55%),
    radial-gradient(800px 600px at 100% 105%, rgba(45,156,255,.18), transparent 55%);
  background-attachment:fixed;
}
[hidden]{display:none !important}
button{font:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}

/* ---------- cabecera: la marca, siempre ---------- */
.cab{
  position:sticky;top:0;z-index:40;height:var(--cab);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:rgba(5,11,31,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--linea);
}
.cab__marca img{height:26px;display:block}
.cab__yo{display:flex;gap:8px;align-items:center}
.chip{
  font-size:12.5px;font-weight:700;padding:6px 11px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid var(--linea);white-space:nowrap;
}
.chip--racha{color:#FFB067;border-color:rgba(255,176,103,.35)}
.chip--racha.viva{background:rgba(255,140,60,.18);animation:latir 2.4s ease-in-out infinite}
.chip--pts{color:var(--oro-2);border-color:rgba(242,201,76,.32)}
@keyframes latir{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}

main{padding:18px 16px calc(var(--barra) + 26px);max-width:760px;margin:0 auto}
.cargando{text-align:center;color:var(--tenue);padding:60px 0}

/* ---------- barra inferior ---------- */
.barra{
  position:fixed;bottom:0;left:0;right:0;z-index:40;height:var(--barra);
  display:flex;background:rgba(5,11,31,.94);backdrop-filter:blur(14px);
  border-top:1px solid var(--linea);padding-bottom:env(safe-area-inset-bottom);
}
.barra a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10.5px;color:var(--tenue);font-weight:600;
}
.barra a i{font-style:normal;font-size:20px;line-height:1}
.barra a.activo{color:var(--oro-2)}

/* ---------- tipografía ---------- */
h1{font-size:clamp(24px,5.5vw,34px);line-height:1.15;margin:0 0 8px;letter-spacing:-.02em}
h2{font-size:19px;margin:26px 0 12px;letter-spacing:-.01em}
h3{font-size:15px;margin:0 0 6px}
.sub{color:var(--tenue);font-size:14.5px;line-height:1.6;margin:0 0 18px}
.oro{color:var(--oro-2)}

/* ---------- botones ---------- */
.btn{
  display:block;width:100%;border:0;border-radius:15px;padding:16px 20px;
  font-size:16px;font-weight:800;color:#0B1020;
  background:linear-gradient(135deg,var(--oro),var(--oro-2));
  box-shadow:0 8px 26px rgba(242,201,76,.28);
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;box-shadow:none}
.btn--fantasma{background:none;color:var(--texto);border:1px solid var(--linea);box-shadow:none;font-weight:600}
.btn--peligro{background:none;color:var(--rojo);border:1px solid rgba(255,61,110,.4);box-shadow:none;font-weight:600}

/* ---------- formulario de registro ---------- */
.campo{
  width:100%;background:#0C1533;color:#fff;border:1px solid rgba(255,255,255,.16);
  border-radius:12px;padding:14px;font:inherit;font-size:16px; /* 16px evita el zoom de iOS */
}
.campo::placeholder{color:#6C7CA4}
.campo:focus{outline:2px solid var(--oro);outline-offset:1px;border-color:transparent}
label.et{display:block;font-size:12.5px;color:var(--tenue);margin:14px 0 6px;font-weight:600}
.fila{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.acepto{display:flex;gap:11px;align-items:flex-start;margin:18px 0;font-size:13px;line-height:1.55;color:var(--tenue)}
.acepto input{width:22px;height:22px;flex:none;margin-top:1px;accent-color:var(--oro)}
.error{color:var(--rojo);font-size:13px;min-height:18px;margin:10px 0 0}

/* ---------- niveles ---------- */
.niveles{display:flex;flex-direction:column;gap:9px}
.nivel{
  display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:14px;
  background:rgba(255,255,255,.045);border:1.5px solid var(--linea);text-align:left;width:100%;color:inherit;
}
.nivel.sel{border-color:var(--oro);background:rgba(242,201,76,.1)}
.nivel i{font-style:normal;font-size:22px;line-height:1;flex:none}
.nivel b{display:block;font-size:15px;margin-bottom:2px}
.nivel small{color:var(--tenue);font-size:12.5px;line-height:1.45}

/* ---------- catálogo ---------- */
.esp-filtros{display:flex;gap:8px;overflow-x:auto;padding:2px 0 12px;-webkit-overflow-scrolling:touch}
.esp-filtros::-webkit-scrollbar{display:none}
.esp-chip{
  flex:none;padding:9px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.06);border:1px solid var(--linea);color:var(--tenue);white-space:nowrap;
}
.esp-chip.sel{background:rgba(242,201,76,.16);border-color:var(--oro);color:var(--oro-2)}

.rejilla{display:grid;gap:11px}
.tarjeta{
  background:linear-gradient(150deg,rgba(16,28,66,.9),rgba(10,21,51,.9));
  border:1px solid var(--linea);border-radius:17px;padding:16px;
  display:flex;flex-direction:column;gap:11px;text-align:left;width:100%;color:inherit;
  transition:border-color .15s ease,transform .12s ease;
}
.tarjeta:active{transform:scale(.99)}
.tarjeta:hover{border-color:rgba(242,201,76,.4)}
.tarjeta__top{display:flex;gap:12px;align-items:flex-start}
.tarjeta__emoji{font-size:26px;line-height:1;flex:none}
.tarjeta__tit{flex:1;min-width:0}
.tarjeta__tit b{display:block;font-size:16px;line-height:1.28;margin-bottom:3px}
.tarjeta__tit small{color:var(--tenue);font-size:12px}
.tarjeta__meta{display:flex;gap:12px;font-size:12px;color:var(--tenue);flex-wrap:wrap}
.barra-prog{height:6px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden}
.barra-prog i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--verde),var(--oro));transition:width .5s cubic-bezier(.2,.8,.2,1)}
.tarjeta__pie{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--tenue)}
.tarjeta__pie b{color:var(--verde)}

/* ---------- jugar ---------- */
.juego{display:flex;flex-direction:column;gap:14px;min-height:calc(100dvh - var(--cab) - 60px)}
.juego__cab{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--tenue)}
.juego__cab b{color:var(--oro-2)}
.progreso{height:5px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden}
.progreso i{display:block;height:100%;background:linear-gradient(90deg,var(--oro),var(--verde));transition:width .35s ease}
.enunciado{font-size:clamp(17px,4vw,21px);line-height:1.4;font-weight:600;margin:6px 0 4px}
.enunciado mark{background:rgba(242,201,76,.22);color:var(--oro-2);padding:1px 4px;border-radius:4px}

.ops{display:flex;flex-direction:column;gap:10px}
.op{
  display:flex;gap:12px;align-items:flex-start;text-align:left;width:100%;
  padding:15px;border-radius:14px;color:inherit;font-size:15px;line-height:1.4;
  background:rgba(255,255,255,.055);border:1.5px solid var(--linea);
  transition:border-color .12s ease,background .12s ease,transform .1s ease;
}
.op:active{transform:scale(.99)}
.op .letra{
  flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:13px;font-weight:800;background:rgba(255,255,255,.1);
}
.op.sel{border-color:var(--oro);background:rgba(242,201,76,.12)}
.op.bien{border-color:var(--verde);background:rgba(46,230,168,.16)}
.op.bien .letra{background:var(--verde);color:#04241A}
.op.mal{border-color:var(--rojo);background:rgba(255,61,110,.14)}
.op.mal .letra{background:var(--rojo);color:#fff}
.op:disabled{opacity:1}
.op.apagada{opacity:.45}

.porque{
  border-radius:14px;padding:15px;font-size:14px;line-height:1.6;
  background:rgba(46,230,168,.08);border:1px solid rgba(46,230,168,.26);
}
.porque.err{background:rgba(255,61,110,.07);border-color:rgba(255,61,110,.24)}
.porque b{color:var(--oro-2)}
.porque__tit{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;margin-bottom:8px}
.ganados{margin-left:auto;color:var(--oro-2);font-weight:800;font-size:15px}

/* ---------- cierre ---------- */
.cierre{text-align:center;padding:22px 0}
.cierre__icono{font-size:64px;line-height:1;margin-bottom:10px;animation:entrar .5s cubic-bezier(.2,1.4,.4,1)}
@keyframes entrar{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
.cierre h1{margin-bottom:6px}
.marcador{font-size:52px;font-weight:800;color:var(--oro-2);line-height:1;margin:14px 0 4px;font-variant-numeric:tabular-nums}
.cierre__meta{display:flex;justify-content:center;gap:22px;margin:20px 0;flex-wrap:wrap}
.cierre__meta div{text-align:center}
.cierre__meta b{display:block;font-size:24px;color:var(--oro-2);font-variant-numeric:tabular-nums}
.cierre__meta small{color:var(--tenue);font-size:11.5px}

.logro{
  display:flex;gap:13px;align-items:center;padding:14px;border-radius:14px;margin-bottom:9px;
  background:linear-gradient(100deg,rgba(242,201,76,.2),rgba(242,201,76,.05));
  border:1px solid rgba(242,201,76,.45);text-align:left;
  animation:entrar .45s cubic-bezier(.2,1.4,.4,1) backwards;
}
.logro i{font-style:normal;font-size:30px;flex:none}
.logro b{display:block;font-size:15px}
.logro small{color:var(--tenue);font-size:12.5px}

/* ---------- ranking ---------- */
.tabla{display:flex;flex-direction:column;gap:7px}
.fila{
  display:flex;gap:12px;align-items:center;padding:12px 14px;border-radius:13px;
  background:rgba(255,255,255,.045);border:1px solid var(--linea);font-size:14px;
}
.fila.podio1{background:linear-gradient(100deg,rgba(242,201,76,.2),rgba(242,201,76,.04));border-color:rgba(242,201,76,.45)}
.fila.podio2{background:rgba(203,213,225,.1);border-color:rgba(203,213,225,.3)}
.fila.podio3{background:rgba(205,127,50,.12);border-color:rgba(205,127,50,.35)}
.fila.yo{border-color:var(--verde);background:rgba(46,230,168,.1)}
.fila__p{width:30px;font-weight:800;color:var(--tenue);flex:none;text-align:center}
.fila__n{flex:1;min-width:0}
.fila__n b{display:block;font-weight:700}
.fila__n small{color:var(--tenue);font-size:11.5px}
.fila__pts{font-weight:800;color:var(--oro-2);font-variant-numeric:tabular-nums;flex:none}

/* ---------- perfil ---------- */
.panel{background:rgba(255,255,255,.04);border:1px solid var(--linea);border-radius:16px;padding:16px;margin-bottom:12px}
.dato{display:flex;justify-content:space-between;gap:12px;padding:9px 0;font-size:14px;border-bottom:1px solid rgba(255,255,255,.06)}
.dato:last-child{border-bottom:0}
.dato span{color:var(--tenue)}
.medallas{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:10px}
.medalla{text-align:center;padding:13px 8px;border-radius:13px;background:rgba(255,255,255,.045);border:1px solid var(--linea)}
.medalla.ganada{background:linear-gradient(160deg,rgba(242,201,76,.2),rgba(242,201,76,.04));border-color:rgba(242,201,76,.45)}
.medalla i{font-style:normal;font-size:28px;display:block;line-height:1;margin-bottom:5px;filter:grayscale(1) opacity(.35)}
.medalla.ganada i{filter:none}
.medalla small{font-size:10.5px;color:var(--tenue);line-height:1.3;display:block}

#confeti{position:fixed;inset:0;pointer-events:none;z-index:90}

/* Quien no quiere animaciones, no las tiene. */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ---------- vidas ---------- */
.chip--vidas{color:#FF8FA8;border-color:rgba(255,143,168,.34)}
.chip--vidas.vacio{color:var(--tenue);border-color:var(--linea);opacity:.7}
.chip--vidas.inf{color:var(--oro-2);border-color:rgba(242,201,76,.4)}

/* ---------- oferta y planes ----------
   Se venden beneficios concretos, no adjetivos. El plan gratuito no se
   presenta como una versión mutilada: es un plan de verdad, con su lista
   propia. Quien no pague tiene que sentirse bienvenido, no tolerado. */
.oferta{
  position:relative;border-radius:18px;padding:20px 18px 18px;margin-top:18px;
  background:linear-gradient(155deg,rgba(242,201,76,.16),rgba(139,92,246,.1));
  border:1px solid rgba(242,201,76,.4);
}
.oferta__cinta{
  position:absolute;top:-11px;left:18px;background:linear-gradient(135deg,var(--oro),var(--oro-2));
  color:#0B1020;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 12px;border-radius:999px;
}
.ventajas{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:9px}
.ventajas li{
  position:relative;padding-left:26px;font-size:14px;line-height:1.45;color:#D7E0F5;
}
.ventajas li::before{
  content:'✓';position:absolute;left:0;top:0;color:var(--verde);font-weight:800;
}

.plan{
  position:relative;border-radius:18px;padding:20px 18px;margin-bottom:14px;
  background:rgba(255,255,255,.045);border:1px solid var(--linea);
}
.plan.pago{background:linear-gradient(155deg,rgba(16,28,66,.95),rgba(10,21,51,.95));
  border-color:rgba(242,201,76,.32)}
.plan.actual{border-color:var(--verde)}
.plan__tuyo,.plan__mejor{
  position:absolute;top:-11px;right:16px;font-size:11px;font-weight:800;
  padding:4px 12px;border-radius:999px;letter-spacing:.06em;
}
.plan__tuyo{background:var(--verde);color:#04241A}
.plan__mejor{background:linear-gradient(135deg,var(--violeta),var(--azul));color:#fff}
.plan h3{font-size:19px;margin:0 0 4px}
.plan__precio{font-size:32px;font-weight:800;color:var(--oro-2);line-height:1;margin:6px 0 4px}
.plan__precio small{font-size:14px;color:var(--tenue);font-weight:600}
.plan__res{color:var(--tenue);font-size:13.5px;margin:0 0 14px}