/* ============================================================
   INDUX · Formulario de contacto / cotización
   Todo el estilo vive bajo .ifx para no afectar el resto del sitio.
   Cambia los colores y la tipografía en las variables de abajo.
   ============================================================ */
.ifx {
  --ifx-azul: #12357A;
  --ifx-azul-osc: #0B2456;
  --ifx-azul-claro: #E3E9F5;
  --ifx-fondo: #F2F4F8;
  --ifx-tarjeta: #FFFFFF;
  --ifx-texto: #141B2B;
  --ifx-titulo: #0E1A33;
  --ifx-gris: #4A5468;
  --ifx-borde: #C5CCD8;
  --ifx-linea: #DDE2EA;
  --ifx-error: #B3361F;
  --ifx-error-osc: #8A2617;
  --ifx-error-fondo: #FBEAE7;
  --ifx-ok: #1F6B3A;
  --ifx-ok-fondo: #E2F2E7;
  --ifx-radio: 8px;
  --ifx-fuente: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ifx-fuente-titulo: 'Archivo', 'IBM Plex Sans', system-ui, sans-serif;

  background: var(--ifx-fondo);
  color: var(--ifx-texto);
  font-family: var(--ifx-fuente);
  font-size: 16px;
  line-height: 1.5;
  padding: 56px 20px;
  box-sizing: border-box;
}
.ifx *, .ifx *::before, .ifx *::after { box-sizing: border-box; }

.ifx-wrap {
  max-width: 1152px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  align-items: flex-start;
}

/* ---------- Columna de introducción ---------- */
.ifx-intro { flex: 1 1 300px; max-width: 380px; display: flex; flex-direction: column; gap: 22px; }
.ifx-kicker { margin: 0; font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ifx-azul); }
.ifx-titulo { margin: 0; font-family: var(--ifx-fuente-titulo); font-weight: 800; font-size: clamp(30px, 4vw, 44px); line-height: 1.05; color: var(--ifx-titulo); }
.ifx-lead { margin: 0; font-size: 17px; color: var(--ifx-gris); }
.ifx-pasos { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.ifx-pasos li { display: flex; gap: 14px; align-items: flex-start; font-size: 15px; }
.ifx-num { flex: 0 0 32px; height: 32px; border-radius: 50%; background: var(--ifx-azul-claro); color: var(--ifx-azul); font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: center; }
.ifx-tel { border-top: 1px solid var(--ifx-linea); padding-top: 20px; font-size: 15px; }
.ifx-tel p { margin: 0; color: var(--ifx-gris); }
.ifx-tel .ifx-tel-t { color: var(--ifx-texto); font-weight: 600; }
.ifx-tel a { display: inline-block; margin: 4px 0; font-size: 20px; font-weight: 600; color: var(--ifx-azul); text-decoration: none; }
.ifx-tel a:hover { color: var(--ifx-azul-osc); text-decoration: underline; }

/* ---------- Tarjeta del formulario ---------- */
.ifx-card { flex: 999 1 560px; min-width: 0; background: var(--ifx-tarjeta); border: 1px solid var(--ifx-linea); border-radius: 12px; padding: 40px; }
.ifx-form { display: flex; flex-direction: column; gap: 22px; margin: 0; }
.ifx-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 24px; }
.ifx-campo { display: flex; flex-direction: column; gap: 8px; min-width: 0; margin: 0; }
.ifx-campo[hidden], .ifx-nota[hidden], .ifx-alerta[hidden], .ifx-exito[hidden] { display: none; }
.ifx label, .ifx legend { font-size: 14px; font-weight: 600; color: var(--ifx-texto); }
.ifx-req { color: var(--ifx-error); }

.ifx input[type="text"], .ifx input[type="tel"], .ifx input[type="email"], .ifx select, .ifx textarea {
  width: 100%;
  min-height: 48px;
  margin: 0;
  padding: 0 14px;
  border: 1px solid var(--ifx-borde);
  border-radius: var(--ifx-radio);
  background: #FFFFFF;
  color: var(--ifx-texto);
  font-family: var(--ifx-fuente);
  font-size: 16px; /* 16px evita el zoom automático en iPhone */
  font-weight: 400;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
}
.ifx select {
  padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%234A5468' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.ifx textarea { padding: 12px 14px; min-height: 110px; resize: vertical; line-height: 1.5; }
.ifx input::placeholder, .ifx textarea::placeholder { color: #7A8396; opacity: 1; }
.ifx input:focus, .ifx select:focus, .ifx textarea:focus { outline: none; border-color: var(--ifx-azul); box-shadow: 0 0 0 3px rgba(18, 53, 122, .18); }
.ifx select:disabled { background-color: #F5F6F9; color: #7A8396; cursor: not-allowed; }

.ifx [aria-invalid="true"] { border: 2px solid var(--ifx-error) !important; }
.ifx-error { margin: 0; font-size: 13px; color: var(--ifx-error-osc); min-height: 0; }
.ifx-error:empty { display: none; }
.ifx-ayuda { margin: 0; font-size: 13px; color: var(--ifx-gris); }
.ifx-nota { margin: 0; align-self: end; font-size: 13px; color: var(--ifx-gris); padding-bottom: 14px; }

/* Productos (varias líneas) */
.ifx-productos { border: 0; padding: 0; }
.ifx-productos legend { padding: 0; margin-bottom: 10px; }
.ifx-lineas { display: flex; flex-direction: column; gap: 14px; }
.ifx-linea { border: 1px solid var(--ifx-linea); border-radius: 10px; padding: 16px; background: #FAFBFD; display: flex; flex-direction: column; gap: 12px; }
.ifx-linea.ifx-invalido { border-color: var(--ifx-error); }
.ifx-linea-cab { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 28px; }
.ifx-linea-num { font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--ifx-gris); }
.ifx-quitar { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 10px; border: 0; border-radius: 6px; background: transparent; color: var(--ifx-error-osc); font-family: var(--ifx-fuente); font-size: 14px; font-weight: 600; cursor: pointer; }
.ifx-quitar:hover { background: var(--ifx-error-fondo); }
.ifx-quitar[hidden] { display: none; }
.ifx-agregar-fila { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-top: 4px; }
.ifx-agregar { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border: 1px dashed var(--ifx-azul); border-radius: var(--ifx-radio); background: #FFFFFF; color: var(--ifx-azul); font-family: var(--ifx-fuente); font-size: 15px; font-weight: 600; cursor: pointer; }
.ifx-agregar:hover { background: var(--ifx-azul-claro); }
.ifx-agregar[disabled] { border-color: var(--ifx-borde); color: #7A8396; background: #F5F6F9; cursor: not-allowed; }
.ifx-campo-sub label { font-size: 13px; }

/* Tipo de uso */
.ifx-tipo { border: 0; padding: 0; }
.ifx-tipo legend { padding: 0; margin-bottom: 10px; }
.ifx-opcion { display: flex; gap: 12px; align-items: center; min-height: 56px; padding: 12px 16px; border: 1px solid var(--ifx-borde); border-radius: var(--ifx-radio); cursor: pointer; font-weight: 400 !important; }
.ifx-opcion:has(input:checked) { border: 2px solid var(--ifx-azul); padding: 11px 15px; background: #F7F9FD; }
.ifx-opcion span { display: flex; flex-direction: column; }
.ifx-opcion strong { font-size: 15px; font-weight: 600; }
.ifx-opcion small { font-size: 13px; color: var(--ifx-gris); }
.ifx-tipo.ifx-invalido .ifx-opcion { border-color: var(--ifx-error); }
.ifx input[type="radio"], .ifx input[type="checkbox"] { width: 20px; height: 20px; margin: 0; flex: 0 0 20px; accent-color: var(--ifx-azul); }

.ifx-check { display: flex !important; gap: 10px; align-items: flex-start; font-weight: 400 !important; color: var(--ifx-gris) !important; line-height: 1.4; cursor: pointer; }
.ifx-check a { color: var(--ifx-azul); }
.ifx-check.ifx-invalido { color: var(--ifx-error-osc) !important; }

/* Campo trampa: fuera de la vista sin usar display:none */
.ifx-trampa { position: absolute !important; left: -10000px !important; top: auto; width: 1px; height: 1px; overflow: hidden; }

/* Alerta general */
.ifx-alerta { background: var(--ifx-error-fondo); color: var(--ifx-error-osc); border-radius: var(--ifx-radio); padding: 12px 14px; font-size: 14px; }

/* Pie y botón */
.ifx-pie { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.ifx-obligatorios { margin: 0; font-size: 13px; color: var(--ifx-gris); }
.ifx-boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 36px; border: 0; border-radius: var(--ifx-radio);
  background: var(--ifx-azul); color: #FFFFFF;
  font-family: var(--ifx-fuente); font-size: 16px; font-weight: 600; cursor: pointer;
}
.ifx-boton:hover { background: var(--ifx-azul-osc); }
.ifx-boton:focus-visible { outline: 3px solid rgba(18, 53, 122, .35); outline-offset: 2px; }
.ifx-boton[disabled] { background: #5B6E95; cursor: wait; }
.ifx-boton-sec { background: transparent; color: var(--ifx-azul); border: 1px solid var(--ifx-azul); }
.ifx-boton-sec:hover { background: var(--ifx-azul-claro); }
.ifx-spinner { display: none; width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.45); border-top-color: #FFFFFF; border-radius: 50%; animation: ifx-gira .8s linear infinite; }
.ifx-enviando .ifx-spinner { display: inline-block; }
@keyframes ifx-gira { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .ifx-spinner { animation-duration: 2s; } }

/* Éxito */
.ifx-exito { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; padding: 8px 0; }
.ifx-exito:focus { outline: none; }
.ifx-exito-icono { width: 52px; height: 52px; border-radius: 50%; background: var(--ifx-ok-fondo); color: var(--ifx-ok); display: flex; align-items: center; justify-content: center; }
.ifx-exito h3 { margin: 0; font-family: var(--ifx-fuente-titulo); font-weight: 800; font-size: 28px; line-height: 1.15; color: var(--ifx-titulo); }
.ifx-exito p { margin: 0; color: var(--ifx-gris); max-width: 560px; }
.ifx-exito strong { color: var(--ifx-texto); }

/* ---------- Celular ---------- */
@media (max-width: 720px) {
  .ifx { padding: 28px 16px 40px; }
  .ifx-wrap { gap: 24px; }
  .ifx-intro { max-width: none; }
  .ifx-pasos { display: none; }
  .ifx-tel { padding-top: 14px; }
  .ifx-card { padding: 24px 20px; }
  .ifx-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .ifx-nota { padding-bottom: 0; }
  .ifx-linea { padding: 14px; }
  .ifx-agregar { width: 100%; justify-content: center; }
  .ifx-pie { flex-direction: column-reverse; align-items: stretch; }
  .ifx-boton { width: 100%; }
}