/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

/* VARIABLES */
:root {
  --primary: #22c55e;
  --secondary: #16a34a;
  --dark: #020617;
  --glass: rgba(255, 255, 255, 0.08);
  --blur: blur(10px);
}

/* BODY */
body {
  background: linear-gradient(135deg, #020617, #022c22);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

/* NAV */
.header {
  width: 100%;
  backdrop-filter: var(--blur);
  background: rgba(0,0,0,0.4);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

.logo {
  color: var(--primary);
  font-weight: 700;
}

.btn-back {
  color: white;
  text-decoration: none;
  transition: 0.3s;
}

.btn-back:hover {
  color: var(--primary);
}

/* QUIZ */
.quiz {
  width: 90%;
  max-width: 700px;
  margin-top: 40px;
}

/* HEADER QUIZ */
.quiz-header {
  background: var(--glass);
  backdrop-filter: var(--blur);
  padding: 20px;
  border-radius: 20px;
  text-align: center;
  margin-bottom: 20px;
  animation: fadeIn 0.5s ease;
}

.quiz-header h2 {
  margin: 15px 0;
}

.quiz-header img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: 10px;
}

/* BOTÓN AYUDA */
.btn-help {
  background: var(--primary);
  border: none;
  padding: 10px 20px;
  border-radius: 30px;
  cursor: pointer;
  color: white;
  transition: 0.3s;
}

.btn-help:hover {
  background: var(--secondary);
  transform: scale(1.05);
}

/* OPCIONES */
.options {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.option {
  background: var(--glass);
  backdrop-filter: var(--blur);
  border: none;
  padding: 15px;
  border-radius: 15px;
  cursor: pointer;
  color: white;
  font-size: 1rem;
  transition: 0.3s;
  text-align: left;
}

/* HOVER PRO */
.option:hover {
  transform: translateY(-3px) scale(1.02);
  background: rgba(34, 197, 94, 0.2);
}

/* CLICK EFFECT */
.option:active {
  transform: scale(0.97);
}

/* ANIMACIÓN */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .quiz-header h2 {
    font-size: 1.2rem;
  }
}