/* ============================================================
   CUESTIONARIO BACH — Design System
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --verde-bosque: #1a3d2b;
  --verde-medio: #2d6a4f;
  --verde-claro: #40916c;
  --verde-menta: #74c69d;
  --crema: #fdfaf5;
  --crema-dark: #f5ede0;
  --dorado: #c9a84c;
  --dorado-claro: #e8c96f;
  --lavanda: #7c6fa0;
  --lavanda-claro: #b8abe0;
  --texto-oscuro: #1a1a2e;
  --texto-medio: #4a5568;
  --texto-claro: #718096;
  --blanco: #ffffff;
  --sombra-suave: 0 4px 24px rgba(26, 61, 43, 0.12);
  --sombra-media: 0 8px 40px rgba(26, 61, 43, 0.18);
  --radio: 16px;
  --radio-sm: 10px;
  --radio-lg: 24px;
  --transicion: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--crema);
  color: var(--texto-oscuro);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: 'Playfair Display', Georgia, serif; line-height: 1.25; }

input, button, label { font-family: inherit; }

/* ============================================================
   PANTALLA CONTENEDOR
   ============================================================ */
.pantalla {
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ============================================================
   BIENVENIDA
   ============================================================ */
.bienvenida-pantalla {
  background: linear-gradient(135deg, var(--verde-bosque) 0%, #0d2318 50%, #1a1a2e 100%);
  position: relative;
  overflow: hidden;
  justify-content: center;
  padding: 48px 24px;
}

.bienvenida-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orbe {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: flotar 8s ease-in-out infinite alternate;
}
.orbe-1 { width: 500px; height: 500px; background: var(--verde-claro); top: -150px; right: -100px; animation-delay: 0s; }
.orbe-2 { width: 400px; height: 400px; background: var(--lavanda); bottom: -100px; left: -80px; animation-delay: -3s; }
.orbe-3 { width: 300px; height: 300px; background: var(--dorado); top: 40%; left: 30%; animation-delay: -6s; }

@keyframes flotar {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(20px, -20px) scale(1.05); }
}

.bienvenida-contenido {
  position: relative;
  z-index: 2;
  max-width: 560px;
  width: 100%;
  text-align: center;
}

.logo-bach { margin-bottom: 24px; }
.logo-icono {
  font-size: 64px;
  animation: pulsar 3s ease-in-out infinite;
  display: inline-block;
}
@keyframes pulsar {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.titulo-principal {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--crema);
  margin-bottom: 8px;
}
.gradiente-texto {
  background: linear-gradient(135deg, var(--dorado-claro), var(--verde-menta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitulo {
  font-size: 1rem;
  color: var(--verde-menta);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
  font-weight: 500;
}

.descripcion {
  color: rgba(253, 250, 245, 0.8);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 36px;
}
.descripcion strong { color: var(--dorado-claro); }

.stats-bienvenida {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}
.stat { text-align: center; }
.stat-numero { display: block; font-size: 1.75rem; font-weight: 700; color: var(--dorado-claro); font-family: 'Playfair Display', serif; }
.stat-label { font-size: 0.75rem; color: rgba(253,250,245,0.6); text-transform: uppercase; letter-spacing: 1px; }
.stat-sep { color: rgba(253,250,245,0.3); font-size: 1.5rem; }

.aviso-privacidad {
  margin-top: 20px;
  font-size: 0.8rem;
  color: rgba(253,250,245,0.5);
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn-principal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--verde-claro), var(--verde-medio));
  color: var(--crema);
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transicion);
  box-shadow: 0 4px 20px rgba(64, 145, 108, 0.4);
  letter-spacing: 0.5px;
}
.btn-principal:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(64, 145, 108, 0.5);
  background: linear-gradient(135deg, #52a880, var(--verde-claro));
}
.btn-principal:active { transform: translateY(0); }
.btn-arrow { transition: transform 0.2s; }
.btn-principal:hover .btn-arrow { transform: translateX(4px); }

.btn-secundario {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--verde-medio);
  border: 2px solid var(--verde-claro);
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transicion);
}
.btn-secundario:hover {
  background: var(--verde-claro);
  color: var(--crema);
  transform: translateY(-2px);
}

.btn-pdf {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: linear-gradient(135deg, var(--dorado), #a07830);
  color: var(--crema);
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transicion);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.35);
}
.btn-pdf:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(201, 168, 76, 0.5); }
.btn-pdf:disabled { opacity: 0.7; cursor: wait; }

/* ============================================================
   DATOS PERSONALES
   ============================================================ */
.datos-pantalla {
  background: linear-gradient(160deg, #f0f9f4 0%, var(--crema) 60%);
  justify-content: center;
  padding: 48px 24px;
}

.datos-card {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra-media);
  padding: 48px;
  max-width: 520px;
  width: 100%;
  border: 1px solid rgba(64, 145, 108, 0.12);
}

.datos-header { text-align: center; margin-bottom: 36px; }
.icono-paso { font-size: 48px; margin-bottom: 12px; }
.datos-header h2 { font-size: 1.8rem; color: var(--verde-bosque); margin-bottom: 8px; }
.datos-header p { color: var(--texto-claro); }

.form-datos { display: flex; flex-direction: column; gap: 24px; }

.campo { display: flex; flex-direction: column; gap: 8px; }
.campo label { font-size: 0.9rem; font-weight: 600; color: var(--texto-medio); }
.campo input {
  padding: 14px 18px;
  border: 2px solid #e2e8f0;
  border-radius: var(--radio-sm);
  font-size: 1rem;
  transition: var(--transicion);
  background: #fafafa;
  color: var(--texto-oscuro);
}
.campo input:focus {
  outline: none;
  border-color: var(--verde-claro);
  background: var(--blanco);
  box-shadow: 0 0 0 4px rgba(64, 145, 108, 0.1);
}
.campo-hint { font-size: 0.78rem; color: var(--texto-claro); }

.preview-zodiaco {
  animation: fadeIn 0.4s ease;
}
.zodiaco-preview {
  background: linear-gradient(135deg, #f0faf5, #e8f5ef);
  border: 1px solid rgba(64, 145, 108, 0.25);
  border-radius: var(--radio-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.zodiaco-signo { font-weight: 700; color: var(--verde-medio); font-size: 1rem; }
.zodiaco-esencia { font-size: 0.875rem; color: var(--texto-medio); }
.zodiaco-esencia strong { color: var(--verde-bosque); }

/* ============================================================
   CUESTIONARIO
   ============================================================ */
.cuestionario-pantalla {
  background: linear-gradient(160deg, #f0f9f4 0%, var(--crema) 70%);
  padding: 0 0 60px;
  align-items: stretch;
}

.progreso-global {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 250, 245, 0.95);
  backdrop-filter: blur(12px);
  padding: 12px 24px;
  border-bottom: 1px solid rgba(64, 145, 108, 0.15);
}
.progreso-info { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 0.82rem; color: var(--texto-claro); font-weight: 500; }
.barra-progreso { height: 6px; background: #e2e8f0; border-radius: 3px; overflow: hidden; }
.barra-fill { height: 100%; background: linear-gradient(90deg, var(--verde-claro), var(--verde-menta)); border-radius: 3px; transition: width 0.5s ease; }

.grupo-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 24px 20px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.grupo-icono { font-size: 40px; flex-shrink: 0; }
.grupo-nombre { font-size: 1.5rem; color: var(--texto-oscuro); margin-bottom: 4px; }
.grupo-descripcion { font-size: 0.9rem; color: var(--texto-claro); }

.instruccion {
  max-width: 720px;
  margin: 0 auto 20px;
  width: 100%;
  padding: 0 24px;
}
.instruccion p { font-size: 0.875rem; color: var(--texto-claro); margin-bottom: 10px; }
.escala-leyenda { display: flex; gap: 16px; flex-wrap: wrap; }
.leyenda-item { display: flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--texto-claro); }
.leyenda-dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-0 { background: #e2e8f0; }
.dot-1 { background: var(--verde-menta); }
.dot-2 { background: var(--verde-claro); }
.dot-3 { background: var(--verde-bosque); }

.preguntas-lista {
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pregunta-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 24px;
  box-shadow: var(--sombra-suave);
  border: 2px solid transparent;
  transition: var(--transicion);
}
.pregunta-card:hover { border-color: rgba(64, 145, 108, 0.2); }
.pregunta-texto { font-size: 0.95rem; color: var(--texto-oscuro); line-height: 1.6; margin-bottom: 16px; font-weight: 500; }

.opciones-escala { display: flex; gap: 8px; flex-wrap: wrap; }

.opcion-radio {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: var(--radio-sm);
  border: 2px solid #e2e8f0;
  background: #fafafa;
  transition: var(--transicion);
  flex: 1;
  min-width: 70px;
}
.opcion-radio input { display: none; }
.opcion-radio:hover { border-color: var(--verde-claro); background: #f0faf5; }
.opcion-radio.seleccionada { border-color: var(--verde-claro); background: #e8f5ef; }

.opcion-dot { width: 14px; height: 14px; border-radius: 50%; }
.dot-v0 { background: #e2e8f0; }
.dot-v1 { background: var(--verde-menta); }
.dot-v2 { background: var(--verde-claro); }
.dot-v3 { background: var(--verde-bosque); }
.opcion-label { font-size: 0.72rem; color: var(--texto-claro); text-align: center; font-weight: 500; }

.nav-cuestionario {
  max-width: 720px;
  margin: 32px auto 0;
  width: 100%;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

/* ============================================================
   RESULTADOS
   ============================================================ */
.resultados-pantalla {
  background: linear-gradient(160deg, #f0f9f4 0%, var(--crema) 60%);
  padding: 48px 24px 80px;
  align-items: center;
}

.resultados-header { text-align: center; margin-bottom: 32px; }
.resultados-icono { font-size: 56px; margin-bottom: 12px; animation: pulsar 3s ease-in-out infinite; }
.resultados-header h2 { font-size: 2.2rem; color: var(--verde-bosque); margin-bottom: 8px; }
.resultados-subtitulo { color: var(--texto-claro); }
.resultados-subtitulo strong { color: var(--verde-medio); }

.perfil-zodiacal {
  background: linear-gradient(135deg, var(--verde-bosque), #1a3d50);
  border-radius: var(--radio);
  padding: 20px 32px;
  max-width: 680px;
  width: 100%;
  margin-bottom: 24px;
  box-shadow: var(--sombra-media);
}
.perfil-zodiacal-inner { display: flex; align-items: center; justify-content: center; gap: 32px; }
.zodiacal-signo-wrap, .zodiacal-esencia-wrap { text-align: center; }
.zodiacal-signo { display: block; font-size: 1.4rem; font-weight: 700; color: var(--dorado-claro); font-family: 'Playfair Display', serif; }
.zodiacal-fechas { font-size: 0.78rem; color: rgba(253,250,245,0.55); }
.zodiacal-flecha { font-size: 1.5rem; color: rgba(253,250,245,0.4); }
.zodiacal-label { display: block; font-size: 0.72rem; color: rgba(253,250,245,0.55); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 2px; }
.zodiacal-esencia { display: block; font-size: 1.2rem; font-weight: 600; color: var(--verde-menta); }

.resumen-receta {
  max-width: 680px;
  width: 100%;
  margin-bottom: 24px;
  background: rgba(64, 145, 108, 0.08);
  border: 1px solid rgba(64, 145, 108, 0.2);
  border-radius: var(--radio-sm);
  padding: 12px 20px;
  font-size: 0.9rem;
  color: var(--texto-medio);
  text-align: center;
}
.resumen-receta strong { color: var(--verde-bosque); }

.resultados-grid {
  max-width: 680px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.resultado-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 22px 24px;
  box-shadow: var(--sombra-suave);
  border: 2px solid transparent;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, border-color 0.3s;
}
.resultado-card.visible { opacity: 1; transform: translateY(0); }
.resultado-card.es-base { border-color: rgba(201, 168, 76, 0.4); background: linear-gradient(135deg, #fffdf5, var(--blanco)); }
.resultado-card:hover { border-color: rgba(64, 145, 108, 0.3); box-shadow: var(--sombra-media); }

.badge-base {
  display: inline-block;
  background: linear-gradient(135deg, var(--dorado), #a07830);
  color: var(--crema);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 50px;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.resultado-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 10px; gap: 12px; }
.resultado-nombre { font-size: 1.2rem; color: var(--verde-bosque); margin-bottom: 2px; }
.resultado-grupo { font-size: 0.78rem; font-weight: 500; }
.resultado-score {
  background: var(--verde-bosque);
  color: var(--dorado-claro);
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
  flex-shrink: 0;
}

.resultado-estado-neg { font-size: 0.85rem; color: var(--texto-medio); margin-bottom: 6px; }
.resultado-estado-pos { font-size: 0.85rem; color: var(--verde-medio); margin-bottom: 12px; }

.barra-relevancia { height: 4px; background: #e2e8f0; border-radius: 2px; overflow: hidden; }
.barra-relevancia-fill { height: 100%; background: linear-gradient(90deg, var(--verde-menta), var(--verde-claro)); border-radius: 2px; transition: width 1s ease 0.3s; }

.indicaciones-card {
  max-width: 680px;
  width: 100%;
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 28px 32px;
  box-shadow: var(--sombra-suave);
  margin-bottom: 28px;
  border-left: 4px solid var(--verde-claro);
}
.indicaciones-card h3 { font-size: 1.1rem; color: var(--verde-bosque); margin-bottom: 14px; font-family: 'Inter', sans-serif; font-weight: 600; }
.indicaciones-card ul { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.indicaciones-card li { font-size: 0.9rem; color: var(--texto-medio); line-height: 1.5; }
.indicaciones-card li strong { color: var(--texto-oscuro); }
.aviso-medico { font-size: 0.8rem; color: var(--texto-claro); border-top: 1px solid #e2e8f0; padding-top: 12px; }

.acciones-resultado {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 680px;
  width: 100%;
}

/* ============================================================
   ANIMACIONES GLOBALES
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 600px) {
  .datos-card { padding: 28px 20px; }
  .perfil-zodiacal-inner { flex-direction: column; gap: 8px; }
  .opciones-escala { gap: 4px; }
  .opcion-radio { padding: 8px 6px; min-width: 56px; }
  .stats-bienvenida { gap: 10px; }
  .nav-cuestionario { flex-direction: column; gap: 10px; }
  .acciones-resultado { flex-direction: column; align-items: center; }
  .resultados-header h2 { font-size: 1.6rem; }
}