/* =========================================================================
   TACSA · Registro de clientes — hoja de estilos del sitio público
   Paleta inspirada en identidad agroindustrial (verde campo + dorado
   cosecha + azul tecnología). AJUSTA los valores de :root si cuentas
   con el manual de marca oficial de TACSA con códigos exactos.
   ========================================================================= */

:root {
  --tacsa-verde-oscuro: #1B5E20;
  --tacsa-verde: #2E7D32;
  --tacsa-verde-claro: #4CAF50;
  --tacsa-dorado: #F4A825;
  --tacsa-dorado-oscuro: #C97F0B;
  --tacsa-azul: #0B5FA5;
  --tacsa-fondo: #F6FAF5;
  --tacsa-texto: #1F2A1F;
  --tacsa-texto-suave: #55645A;
  --tacsa-borde: #DCE6DC;
  --tacsa-blanco: #FFFFFF;
  --tacsa-error: #B3261E;
  --tacsa-error-fondo: #FCEBEA;
  --tacsa-exito-fondo: #E8F5E9;
  --tacsa-info-fondo: #E7F1FB;
  --radio: 14px;
  --sombra: 0 2px 10px rgba(27, 94, 32, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--tacsa-fondo);
  color: var(--tacsa-texto);
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.tacsa-container {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- Encabezado ---------- */
.tacsa-topbar {
  /*background: linear-gradient(135deg, var(--tacsa-verde-oscuro), var(--tacsa-verde));*/
  background: rgb(192, 0, 0);
  box-shadow: var(--sombra);
}
.tacsa-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}
.tacsa-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--tacsa-blanco);
}
.tacsa-brand__mark { display: flex; }
.tacsa-brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.tacsa-brand__text strong { font-size: 1.15rem; letter-spacing: 0.5px; }
.tacsa-brand__text small { font-size: 0.72rem; opacity: 0.9; }
.tacsa-topbar__phone {
  color: var(--tacsa-blanco);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- Layout principal ---------- */
.tacsa-main { padding: 24px 16px 48px; }

.tacsa-card {
  background: var(--tacsa-blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 24px 20px;
  border: 1px solid var(--tacsa-borde);
}
.tacsa-card--centrada { text-align: center; }

h1 {
  color: var(--tacsa-verde-oscuro);
  font-size: 1.5rem;
  margin: 0 0 8px;
}
h2 { color: var(--tacsa-verde-oscuro); font-size: 1.1rem; }
.tacsa-lead { color: var(--tacsa-texto-suave); margin-bottom: 20px; }
.tacsa-hint { color: var(--tacsa-texto-suave); font-size: 0.82rem; margin: 6px 0 0; }

/* ---------- Formulario ---------- */
fieldset {
  border: none;
  padding: 0;
  margin: 0 0 22px;
}
legend {
  font-weight: 700;
  color: var(--tacsa-verde-oscuro);
  padding: 0 0 10px;
  font-size: 1rem;
  border-bottom: 2px solid var(--tacsa-borde);
  width: 100%;
  margin-bottom: 14px;
}
.tacsa-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 520px) {
  .tacsa-grid-2 { grid-template-columns: 1fr 1fr; }
}
.tacsa-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--tacsa-texto);
}
.tacsa-field input,
.tacsa-field select {
  font: inherit;
  padding: 12px 12px;
  border: 1.5px solid var(--tacsa-borde);
  border-radius: 10px;
  background: var(--tacsa-fondo);
  color: var(--tacsa-texto);
  font-weight: 400;
}
.tacsa-field input:focus,
.tacsa-field select:focus {
  outline: none;
  border-color: var(--tacsa-verde);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

.tacsa-checkbox {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--tacsa-texto-suave);
  margin: 18px 0;
  cursor: pointer;
}
.tacsa-checkbox input { margin-top: 3px; width: 18px; height: 18px; flex-shrink: 0; }
.tacsa-checkbox a { color: var(--tacsa-azul); }

/* ---------- Botón de foto ---------- */
.tacsa-foto-picker { display: flex; flex-direction: column; gap: 10px; }
.tacsa-boton-foto {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  border: 2px dashed var(--tacsa-verde);
  border-radius: 12px;
  background: var(--tacsa-exito-fondo);
  color: var(--tacsa-verde-oscuro);
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  font-size: 1rem;
}
.tacsa-boton-foto span { font-size: 1.3rem; }
#foto_ticket { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; }
.tacsa-foto-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--tacsa-fondo);
  border: 1px solid var(--tacsa-borde);
  border-radius: 10px;
  padding: 10px;
}
.tacsa-foto-preview img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--tacsa-borde);
}
.tacsa-link-btn {
  background: none;
  border: none;
  color: var(--tacsa-error);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
}

/* ---------- Botones ---------- */
.tacsa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 15px 20px;
  border-radius: 12px;
  border: none;
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.05s ease-in-out, opacity 0.15s;
}
.tacsa-btn--primary {
  background: linear-gradient(135deg, var(--tacsa-dorado), var(--tacsa-dorado-oscuro));
  /*background: var(--tacsa-verde);*/
  color: #402700;
  /*color: #FFFFFF;*/
}
.tacsa-btn--primary:hover { opacity: 0.92; }
.tacsa-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.tacsa-btn:active { transform: scale(0.98); }

/* ---------- Alertas ---------- */
.tacsa-alert {
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 18px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.tacsa-alert--error { background: var(--tacsa-error-fondo); color: var(--tacsa-error); border: 1px solid #f3c6c3; }
.tacsa-alert--exito { background: var(--tacsa-exito-fondo); color: var(--tacsa-verde-oscuro); border: 1px solid #b9dfba; }
.tacsa-alert--info { background: var(--tacsa-info-fondo); color: #0b3f6e; border: 1px solid #bcdcf5; }
.tacsa-alert ul { margin: 8px 0 0; padding-left: 20px; }

/* ---------- Página de agradecimiento ---------- */
.tacsa-check { font-size: 3rem; }
.tacsa-contador { font-size: 1.05rem; margin: 10px 0 20px; }
.tacsa-progreso { margin: 20px 0; text-align: left; }
.tacsa-barra {
  width: 100%;
  height: 14px;
  background: var(--tacsa-borde);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
}
.tacsa-barra__relleno {
  height: 100%;
  background: linear-gradient(90deg, var(--tacsa-verde), var(--tacsa-dorado));
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* ---------- Pie de página ---------- */
.tacsa-footer {
  background: var(--tacsa-verde-oscuro);
  /*background: rgb(192, 0, 0);*/
  color: #d9e9d9;
  margin-top: 32px;
}
.tacsa-footer__inner { padding: 20px 16px; text-align: center; font-size: 0.82rem; }
.tacsa-footer a { color: var(--tacsa-dorado); text-decoration: none; }
.tacsa-footer__copy { opacity: 0.75; margin-top: 6px; }