:root {
  --verde: #22a90a;
  --verde-claro: #39d353;
  --lila: #d9a6f0;
  --activa: #5a22b5;
  --texto: #fff;
  --fuente-titulo: 'Mulish', sans-serif;
  --fuente-texto: 'Poppins', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

body {
  background: #07031f;
  color: var(--texto);
  font-family: var(--fuente-texto);
  min-height: 100vh;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.pantalla {
  position: relative;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
}

.pantalla::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 20px 30px, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1.5px 1.5px at 90px 70px, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1px 1px at 150px 125px, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(1px 1px at 55px 150px, rgba(255, 255, 255, 0.5), transparent);
  background-size: 210px 170px;
  opacity: 0.45;
  pointer-events: none;
}

.pantalla-inicio {
  background:
    radial-gradient(ellipse 42% 38% at 50% 0%, rgba(220, 120, 232, 0.95) 0%, rgba(150, 35, 195, 0.65) 55%, transparent 100%),
    linear-gradient(180deg, #4d0fa3 0%, #2b0a78 42%, #0e0b4d 72%, #050a2e 100%);
}

.pantalla-pregunta {
  background:
    radial-gradient(ellipse 38% 34% at 50% 0%, rgba(160, 70, 190, 0.55) 0%, transparent 100%),
    radial-gradient(ellipse 30% 40% at 18% 72%, rgba(170, 45, 95, 0.28) 0%, transparent 100%),
    radial-gradient(ellipse 35% 45% at 88% 62%, rgba(70, 80, 200, 0.38) 0%, transparent 100%),
    linear-gradient(180deg, #3b0b6c 0%, #1d0a4b 50%, #0c0730 100%);
}

.contenido,
.columna {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 0 24px;
}

.contenido {
  max-width: 1100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: clamp(64px, 11vh, 130px);
}

.columna {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: clamp(40px, 8vh, 110px);
  padding-bottom: 64px;
}

.logo {
  display: block;
  filter: drop-shadow(0 3px 5px rgba(0, 0, 0, 0.45));
}

.logo-grande {
  width: 190px;
  aspect-ratio: 290 / 150;
}

.logo-chico {
  width: 130px;
  aspect-ratio: 290 / 150;
}

.centrado {
  margin: 0 auto;
}

.etiqueta {
  margin-top: 46px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.9em;
  padding-left: 0.9em;
  text-transform: uppercase;
}

.titulo-inicio,
.pregunta {
  font-family: var(--fuente-titulo);
  line-height: 1.15;
  text-align: center;
}

.titulo-inicio {
  margin-top: 30px;
  max-width: 940px;
  font-size: clamp(32px, 4.6vw, 60px);
}

.titulo-inicio .ligero,
.pregunta .ligero {
  font-weight: 300;
}

.titulo-inicio strong,
.pregunta strong {
  font-weight: 800;
}

.descripcion {
  margin-top: 34px;
  max-width: 640px;
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 500;
  line-height: 1.55;
}

.boton-principal {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 42px;
  padding: 18px 38px;
  border: 0;
  border-radius: 8px;
  background: var(--verde);
  color: var(--texto);
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 700;
  transition: transform 0.2s, background 0.2s;
}

.boton-principal:hover:not(:disabled) {
  background: #1d960a;
  transform: translateY(-2px);
}

.boton-principal:disabled {
  opacity: 0.7;
  cursor: wait;
}

.flecha {
  width: 30px;
  height: 30px;
}

.error {
  margin-top: 18px;
  padding: 10px 16px;
  border-radius: 8px;
  background: rgba(220, 40, 70, 0.25);
  border: 1px solid rgba(255, 120, 140, 0.6);
  font-size: 14px;
}

.tierra {
  position: absolute;
  left: 50%;
  top: 76%;
  width: 170vw;
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse 60% 22% at 50% 0%, #2c72e6 0%, #14409f 40%, #081a5c 75%, #050d33 100%);
  box-shadow:
    0 -4px 22px 2px rgba(110, 185, 255, 0.85),
    0 -18px 90px 10px rgba(50, 110, 240, 0.45);
}

.tierra::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-image:
    radial-gradient(1.5px 1.5px at 10px 12px, rgba(255, 224, 150, 0.9), transparent),
    radial-gradient(1px 1px at 38px 30px, rgba(150, 200, 255, 0.9), transparent),
    radial-gradient(2px 2px at 60px 8px, rgba(255, 210, 130, 0.8), transparent),
    radial-gradient(1px 1px at 22px 48px, rgba(255, 240, 200, 0.7), transparent);
  background-size: 74px 60px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 16%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 16%);
  opacity: 0.75;
}

.cabecera {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
}

.boton-atras {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: rgba(200, 175, 235, 0.75);
  color: #3a1478;
  transition: background 0.2s;
}

.boton-atras:hover {
  background: rgba(220, 200, 250, 0.95);
}

.boton-atras svg {
  width: 24px;
  height: 24px;
}

.contador {
  justify-self: end;
  font-size: 22px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.08em;
}

.contador strong {
  font-size: 36px;
  font-weight: 700;
  color: var(--texto);
}

.progreso {
  display: flex;
  gap: 12px;
  width: 100%;
  margin-top: 26px;
}

.segmento {
  position: relative;
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.16);
}

.relleno {
  height: 100%;
  border-radius: 2px;
  background: var(--verde-claro);
  transition: width 0.4s ease;
}

.cohete {
  position: absolute;
  top: 50%;
  left: calc(var(--avance) * 100%);
  width: 58px;
  transform: translate(calc(var(--avance) * -100%), -50%);
  transition: left 0.4s ease, transform 0.4s ease;
}

.cohete svg {
  display: block;
  width: 100%;
}

.pregunta {
  width: min(940px, calc(100vw - 48px));
  margin-top: 62px;
  font-size: clamp(26px, 3.6vw, 42px);
}

.alternativas,
.areas {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  margin-top: 42px;
}

.alternativa {
  padding: 34px 24px;
  border: 1px solid rgba(217, 166, 240, 0.85);
  border-radius: 10px;
  background: rgba(8, 3, 38, 0.4);
  color: var(--texto);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 500;
  text-align: center;
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
}

.alternativa:hover:not(:disabled) {
  background: rgba(90, 34, 181, 0.45);
  border-color: #f0d0ff;
  transform: translateY(-2px);
}

.alternativa:disabled {
  cursor: default;
}

.alternativa.activa {
  background: var(--activa);
  border-color: #f0d0ff;
}

.acciones-pregunta {
  display: flex;
  justify-content: center;
  width: 100%;
}

.acciones-pregunta .boton-principal {
  margin-top: 34px;
}

.boton-principal:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.alternativa-casilla {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 26px 24px;
  text-align: left;
  cursor: pointer;
}

.alternativa-casilla input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.alternativa-casilla .marca {
  position: relative;
  flex: none;
  width: 24px;
  height: 24px;
  border: 2px solid var(--lila);
  border-radius: 6px;
  transition: background 0.2s, border-color 0.2s;
}

.alternativa-casilla.activa .marca {
  background: var(--verde-claro);
  border-color: var(--verde-claro);
}

.alternativa-casilla.activa .marca::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 12px;
  border: solid #07031f;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
}

.alternativa-casilla:focus-within {
  outline: 2px solid #f0d0ff;
  outline-offset: 2px;
}

.respuesta-abierta {
  width: 100%;
  padding: 22px 24px;
  border: 1px solid rgba(217, 166, 240, 0.85);
  border-radius: 10px;
  background: rgba(8, 3, 38, 0.4);
  color: var(--texto);
  font: 500 clamp(15px, 1.6vw, 18px) / 1.5 var(--fuente-texto);
  resize: vertical;
}

.respuesta-abierta:focus,
.campo input:focus {
  outline: 2px solid #f0d0ff;
  outline-offset: 2px;
}

.formulario {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
  margin-top: 40px;
}

.campo {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  text-align: left;
}

.campo input {
  padding: 16px 18px;
  border: 1px solid rgba(217, 166, 240, 0.85);
  border-radius: 10px;
  background: rgba(8, 3, 38, 0.4);
  color: var(--texto);
  font: 500 16px var(--fuente-texto);
}

.formulario .boton-principal {
  align-self: center;
  margin-top: 12px;
}

.formulario .error {
  text-align: center;
}

.etiqueta-resultado {
  margin-top: 34px;
  font-size: 15px;
  letter-spacing: 0.6em;
  padding-left: 0.6em;
}

.centrado + .etiqueta-resultado + .pregunta {
  margin-top: 26px;
}

.area {
  position: relative;
  padding: 24px;
  border: 1px solid rgba(217, 166, 240, 0.5);
  border-radius: 10px;
  background: rgba(8, 3, 38, 0.4);
}

.area.prioridad {
  border-color: var(--verde-claro);
  background: rgba(34, 169, 10, 0.12);
}

.area-cabecera {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.area-nombre {
  font-size: 18px;
  font-weight: 600;
}

.area-nivel {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.niveles {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.nivel {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.16);
}

.nivel.lleno {
  background: var(--verde-claro);
}

.area-etiqueta {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--verde);
  font-size: 12px;
  font-weight: 600;
}

@media (max-width: 600px) {
  .etiqueta {
    letter-spacing: 0.6em;
    padding-left: 0.6em;
    font-size: 15px;
  }

  .logo-chico {
    width: 100px;
  }

  .boton-atras {
    width: 38px;
    height: 38px;
  }

  .contador strong {
    font-size: 28px;
  }

  .cohete {
    width: 44px;
  }

  .alternativa {
    padding: 26px 16px;
  }

  .tierra {
    top: 78%;
    width: 260vw;
  }
}