/* Pachucrepas · Portal de facturación
   Azul de marca + crema y caramelo. */

:root {
  --cafe:        #0f56df; /* color principal de la marca */
  --cafe-claro:  #3d7bf0; /* tono claro para el degradado del encabezado */
  --caramelo:    #c8802d;
  --caramelo-osc:#a9661d;
  --crema:       #fdf8f1;
  --crema-2:     #f6ece0;
  --borde:       #e5d5c3;
  --texto:       #33261d;
  --texto-suave: #7a6a5d;
  --error:       #c0392b;
  --exito:       #2e7d32;
  --radio:       14px;
  --sombra:      0 2px 10px rgba(15, 86, 223, .09);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  color: var(--texto);
  background: var(--crema);
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  width: 100%;
  max-width: 620px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(160deg, var(--cafe) 0%, var(--cafe-claro) 100%);
  color: var(--crema);
  padding: 28px 0 40px;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.brand-mark {
  width: 92px;
  height: 92px;
  flex-shrink: 0;
  object-fit: contain;
  filter: drop-shadow(0 5px 12px rgba(0, 0, 0, .28));
}

.brand div { text-align: left; }

.brand-name {
  display: block;
  font-size: 23px;
  font-weight: 700;
  letter-spacing: .3px;
}

.brand-sub {
  display: block;
  font-size: 12px;
  opacity: .8;
  text-transform: uppercase;
  letter-spacing: 1.6px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 7vw, 38px);
  line-height: 1.15;
}

.lead {
  margin: 0 auto;
  max-width: 42ch;
  font-size: 16px;
  opacity: .92;
}

.hero-note {
  margin: 18px 0 0;
  font-size: 13px;
  opacity: .7;
}

/* ---------- Pasos ---------- */

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: -22px 0 26px;
  padding: 0;
}

.steps li {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 14px 8px;
  text-align: center;
  font-size: 12.5px;
  line-height: 1.35;
  color: var(--texto-suave);
  box-shadow: var(--sombra);
}

.step-num {
  display: block;
  width: 26px;
  height: 26px;
  margin: 0 auto 6px;
  border-radius: 50%;
  background: var(--caramelo);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  line-height: 26px;
}

/* ---------- Tarjeta / formulario ---------- */

.card {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 22px;
  box-shadow: var(--sombra);
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 22px;
}

legend {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--caramelo-osc);
  padding: 0 0 10px;
}

.field { margin-bottom: 16px; }

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.req { color: var(--error); }
.opt { color: var(--texto-suave); font-weight: 400; font-size: 12.5px; }

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 16px; /* evita el zoom automático en iOS */
  color: var(--texto);
  background: var(--crema);
  border: 1.5px solid var(--borde);
  border-radius: 10px;
  transition: border-color .15s, box-shadow .15s;
}

textarea { resize: vertical; }
.upper { text-transform: uppercase; }

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--caramelo);
  box-shadow: 0 0 0 3px rgba(200, 128, 45, .18);
  background: #fff;
}

.hint {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--texto-suave);
}

.error {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--error);
  display: none;
}

.error.show { display: block; }

.field.invalid input,
.field.invalid select,
.field.invalid .dropzone {
  border-color: var(--error);
}

/* ---------- Zona de archivos ---------- */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 22px 16px;
  text-align: center;
  background: var(--crema-2);
  border: 2px dashed var(--borde);
  border-radius: 12px;
  cursor: pointer;
  font-weight: 400;
  transition: border-color .15s, background .15s;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--caramelo);
  background: #fff7ec;
}

.dropzone.filled {
  border-style: solid;
  border-color: var(--exito);
  background: #f2f9f2;
}

.dz-icon { font-size: 26px; line-height: 1; }
.dz-text { font-size: 14.5px; color: var(--cafe); }
.dz-hint { font-size: 12px; color: var(--texto-suave); }

.filename {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--exito);
  font-weight: 600;
  word-break: break-all;
  display: none;
}

.filename.show { display: block; }

/* ---------- Checkbox ---------- */

.field.check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
}

.field.check input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--caramelo);
}

.field.check label {
  font-weight: 400;
  font-size: 13.5px;
  color: var(--texto-suave);
  margin: 0;
}

.field.check .error { grid-column: 1 / -1; }

/* ---------- Botón ---------- */

.btn {
  position: relative;
  width: 100%;
  padding: 15px 20px;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: var(--caramelo);
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  transition: background .15s, transform .08s;
}

.btn:hover:not(:disabled) { background: var(--caramelo-osc); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .65; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  color: var(--caramelo-osc);
  border: 1.5px solid var(--borde);
  margin-top: 18px;
}

.btn-ghost:hover:not(:disabled) { background: var(--crema-2); }

.spinner {
  display: none;
  width: 16px;
  height: 16px;
  margin-left: 10px;
  vertical-align: -3px;
  border: 2px solid rgba(255, 255, 255, .4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

.btn.loading .spinner { display: inline-block; }

@keyframes spin { to { transform: rotate(360deg); } }

.form-status {
  margin: 14px 0 0;
  font-size: 14px;
  text-align: center;
  color: var(--error);
  min-height: 1em;
}

/* ---------- Éxito ---------- */

.success { text-align: center; }
.success-icon { font-size: 46px; line-height: 1; }
.success h2 { margin: 10px 0 8px; color: var(--cafe); }
.success-main { font-size: 17px; }
.success p { margin: 6px 0; }

.folio {
  margin-top: 16px !important;
  padding-top: 14px;
  border-top: 1px solid var(--borde);
  font-size: 13.5px;
  color: var(--texto-suave);
}

/* ---------- FAQ ---------- */

.faq { margin: 36px 0 20px; }

.faq h2 {
  font-size: 17px;
  color: var(--cafe);
  margin-bottom: 12px;
}

details {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 8px;
}

summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 14.5px;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  float: right;
  color: var(--caramelo);
  font-weight: 700;
}

details[open] summary::after { content: "−"; }

details p {
  margin: 10px 0 2px;
  font-size: 14px;
  color: var(--texto-suave);
}

/* Enlace de WhatsApp dentro de las preguntas frecuentes */
.faq-wa {
  color: var(--cafe);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1.5px solid var(--caramelo);
}

.faq-wa:hover { color: var(--caramelo-osc); }

/* ---------- Pie ---------- */

footer {
  text-align: center;
  padding: 26px 20px 34px;
  font-size: 13px;
  color: var(--texto-suave);
  border-top: 1px solid var(--borde);
  margin-top: 20px;
}

footer p { margin: 3px 0; }
.copy { margin-top: 12px !important; font-size: 12px; opacity: .8; }

/* ---------- Responsive ---------- */

@media (max-width: 420px) {
  .row { grid-template-columns: 1fr; }
  .card { padding: 18px 16px; }
  .steps li { font-size: 11.5px; padding: 12px 5px; }
  .brand-mark { width: 76px; height: 76px; }
  .brand-name { font-size: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}