/* =========================================================
   3G Tres Generaciones — Diagnóstico gratis
   Hoja propia y ligera (la página no carga style.css).
   Mismos colores y tipografía que la web principal.
   ========================================================= */

:root {
  --bg-dark: #2C2C2A;
  --coral: #D85A30;
  --coral-claro: #F0805A;
  --petroleo: #215C60;
  --nombre: #2FA8A3; /* petróleo claro para el nombre del negocio: contraste 4,8:1 sobre --bg-dark */
  --text-primary: #F5F5F3;
  --text-secondary: #A8A7A3;
  --step-bg: #3A3A37;
  --borde: rgba(245, 245, 243, 0.14);
  --error: #FF8A80;

  --radius-lg: 28px;
  --radius-md: 20px;

  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

h1, h2, h3, p {
  margin: 0;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

/* ---------- Cabecera mínima ---------- */
.dx-header {
  display: flex;
  justify-content: center;
  padding: 18px 16px 6px;
  padding-top: max(18px, env(safe-area-inset-top));
}

.dx-header__logo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
}

/* ---------- Contenedor ---------- */
.dx {
  flex: 1;
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
  padding: 12px 16px 32px;
}

/* ---------- Barra: volver + progreso ---------- */
.dx-barra {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.dx-volver {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--borde);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
}

.dx-volver:hover,
.dx-volver:focus-visible {
  border-color: var(--coral);
  color: var(--coral-claro);
}

.dx-progreso {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: var(--step-bg);
  overflow: hidden;
}

.dx-progreso__relleno {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--coral);
  transition: width 0.3s ease;
}

.dx-progreso__texto {
  flex-shrink: 0;
  min-width: 3.2em;
  text-align: right;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ---------- Pantallas ---------- */
.dx-pantalla {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: dx-entrar 0.25s ease;
}

@keyframes dx-entrar {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .dx-pantalla { animation: none; }
  .dx-progreso__relleno { transition: none; }
}

.dx-pantalla--inicio,
.dx-pantalla--gracias {
  padding-top: 6vh;
  text-align: center;
  align-items: center;
}

.dx-titulo {
  font-size: clamp(1.75rem, 7.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.dx-subtitulo {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 30em;
}

.dx-subtitulo strong {
  color: var(--text-primary);
}

.dx-nota {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.dx-pregunta {
  display: block;
  font-size: clamp(1.3rem, 5.5vw, 1.6rem);
  font-weight: 700;
  line-height: 1.25;
}

[tabindex="-1"]:focus {
  outline: none;
}

/* ---------- Botones ---------- */
.dx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 58px;
  padding: 14px 28px;
  border: none;
  border-radius: 999px;
  background: var(--coral);
  color: #fff;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(216, 90, 48, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.dx-btn:hover,
.dx-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(216, 90, 48, 0.45);
}

.dx-btn:focus-visible,
.dx-opcion:focus-visible,
.dx-volver:focus-visible,
.dx-input:focus-visible {
  outline: 3px solid var(--coral-claro);
  outline-offset: 2px;
}

.dx-btn[disabled] {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

.dx-btn--whatsapp {
  background: #25D366;
  color: #0B3B1F;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}

.dx-btn--whatsapp:hover,
.dx-btn--whatsapp:focus-visible {
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
}

.dx-btn__icono {
  width: 22px;
  height: 22px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ---------- Opciones (respuestas) ---------- */
.dx-opciones {
  display: grid;
  gap: 12px;
}

.dx-opcion {
  width: 100%;
  min-height: 62px;
  padding: 14px 20px;
  border: 2px solid var(--borde);
  border-radius: var(--radius-md);
  background: var(--step-bg);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1.08rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.dx-opcion:hover {
  border-color: rgba(216, 90, 48, 0.6);
}

.dx-opcion[aria-pressed="true"] {
  border-color: var(--coral);
  background: rgba(216, 90, 48, 0.18);
}

/* ---------- Campos de formulario ---------- */
.dx-form-negocio,
.dx-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.dx-campo {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dx-campo > label {
  font-size: 0.95rem;
  font-weight: 600;
}

.dx-opcional {
  font-weight: 400;
  color: var(--text-secondary);
}

.dx-input {
  width: 100%;
  min-height: 56px;
  padding: 12px 16px;
  border: 2px solid var(--borde);
  border-radius: 16px;
  background: var(--step-bg);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 1.05rem; /* >= 16px: evita el zoom automático en iOS */
}

.dx-input::placeholder {
  color: rgba(168, 167, 163, 0.6);
}

.dx-input:focus {
  border-color: var(--coral);
}

.dx-input[aria-invalid="true"] {
  border-color: var(--error);
}

.dx-error {
  font-size: 0.85rem;
  color: var(--error);
}

.dx-campo--check {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  column-gap: 12px;
  row-gap: 6px;
}

.dx-campo--check input {
  width: 24px;
  height: 24px;
  margin: 2px 0 0;
  accent-color: var(--coral);
  cursor: pointer;
}

.dx-campo--check label {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

.dx-campo--check label a {
  color: var(--coral-claro);
  text-decoration: underline;
}

.dx-campo--check .dx-error {
  grid-column: 2;
}

.dx-trampa {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Resultado ---------- */
.dx-resultado__negocio {
  font-size: clamp(1.75rem, 8vw, 2.3rem);
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.dx-resultado {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.dx-linea {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: var(--step-bg);
  font-size: 1.02rem;
  color: var(--text-secondary);
}

.dx-cifra {
  display: block;
  margin: 4px 0;
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--coral-claro);
}

.dx-linea--dinero {
  background: var(--petroleo);
  color: rgba(245, 245, 243, 0.85);
}

.dx-linea__clientes {
  font-weight: 600;
  color: #fff;
}

.dx-cifra--dinero {
  margin: 8px 0 0;
  font-size: 2.2rem;
  color: #fff;
}

/* Frase cuando el dinero no llega al mínimo: mismo bloque destacado */
.dx-linea__mensaje {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
}

.dx-pantalla[data-pantalla="resultado"] > .dx-nota {
  margin-top: -8px;
}

/* ---------- El caramelo ---------- */
.dx-caramelo {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
  padding: 24px 20px;
  border: 2px solid var(--coral);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
}

.dx-caramelo__titulo {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

/* ---------- Nombre del negocio (título del resultado y caramelo) ---------- */
.dx-nombre {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-weight: 700;
  color: var(--nombre);
}

.dx-caramelo__nombre {
  font-size: 1.3em;
}

.dx-gracias__nombre {
  font-size: 1.2em;
}

/* ---------- Pie ---------- */
.dx-pie {
  padding: 20px 16px;
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  text-align: center;
  font-size: 0.78rem;
}

.dx-pie a {
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .dx {
    padding-top: 24px;
  }

  .dx-btn {
    width: auto;
    min-width: 280px;
    align-self: center;
  }

  .dx-pantalla--inicio .dx-btn,
  .dx-pantalla--gracias .dx-btn {
    align-self: center;
  }
}