/* ==========================================================================
   MasterLabs — página de Contacto (/contacto/)
   Formulario con etiquetas flotantes y selección por «chips».
   Solo tokens de site.css (claro/oscuro); los propios del formulario abajo.
   ========================================================================== */

:root {
  --cf-field: var(--bg-2);
  --cf-field-focus: var(--surface);
  --cf-ring: rgba(0, 113, 227, 0.18);
  --cf-danger: #d70015;
  --cf-ok: #248a3d;
  --cf-edge: rgba(0, 0, 0, 0.22);
  --cf-edge-hover: rgba(0, 0, 0, 0.4);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --cf-field: #2c2c2e;
    --cf-field-focus: #1d1d1f;
    --cf-ring: rgba(41, 151, 255, 0.28);
    --cf-danger: #ff453a;
    --cf-ok: #30d158;
    --cf-edge: rgba(255, 255, 255, 0.22);
    --cf-edge-hover: rgba(255, 255, 255, 0.42);
  }
}
:root[data-theme="dark"] {
  --cf-field: #2c2c2e;
  --cf-field-focus: #1d1d1f;
  --cf-ring: rgba(41, 151, 255, 0.28);
  --cf-danger: #ff453a;
  --cf-ok: #30d158;
  --cf-edge: rgba(255, 255, 255, 0.22);
  --cf-edge-hover: rgba(255, 255, 255, 0.42);
}

.contact { padding: 132px 0 110px; background: var(--bg-2); }
.contact__head .eyebrow { color: var(--text-2); }
.contact__head .h-hero { margin-top: 8px; }
.contact__head .lede { margin-top: 18px; }
.contact__alt { margin-top: 36px; text-align: center; font-size: 15px; color: var(--text-2); }

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

.cform {
  max-width: 720px;
  margin: 56px auto 0;
  padding: 40px;
  border-radius: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}
.cform__body { display: grid; gap: 28px; }
.cform [hidden] { display: none !important; }
.cform__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* --- Chips (radio) --------------------------------------------------------- */

.chips { margin: 0; padding: 0; border: 0; min-width: 0; }
.chips legend { padding: 0; margin-bottom: 12px; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.chips__row { display: flex; flex-wrap: wrap; gap: 10px; }
.chips input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.chips label {
  padding: 10px 18px;
  border-radius: 980px;
  border: 1px solid var(--cf-edge);
  background: var(--cf-field);
  font-size: 15px;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.25s var(--ease-out);
}
.chips label:hover { border-color: var(--cf-edge-hover); }
.chips label:active { transform: scale(0.97); }
.chips input:checked + label { background: var(--text); color: var(--bg); border-color: var(--text); }
.chips input:focus-visible + label { outline: 2px solid var(--pill); outline-offset: 3px; }
.chips.is-bad label { border-color: var(--cf-danger); }

/* --- Campos con etiqueta flotante ----------------------------------------- */

.field { position: relative; }
.field input,
.field textarea {
  display: block;
  width: 100%;
  padding: 30px 16px 10px;
  font: inherit;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text);
  background: var(--cf-field);
  border: 1px solid var(--cf-edge);
  border-radius: 14px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.25s var(--ease);
}
.field textarea { min-height: 170px; padding-bottom: 32px; resize: vertical; line-height: 1.45; }
.field label {
  position: absolute;
  left: 17px;
  top: 20px;
  font-size: 17px;
  color: var(--text-2);
  pointer-events: none;
  transform-origin: left top;
  transition: transform 0.2s var(--ease-out), color 0.2s var(--ease);
}
.field input:hover,
.field textarea:hover { border-color: var(--cf-edge-hover); }
.field input:focus,
.field textarea:focus { background: var(--cf-field-focus); border-color: var(--pill); box-shadow: 0 0 0 4px var(--cf-ring); }
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label { transform: translateY(-12px) scale(0.7); }
.field input:focus + label,
.field textarea:focus + label { color: var(--pill); }
.field.is-bad input,
.field.is-bad textarea { border-color: var(--cf-danger); }
.field.is-bad label { color: var(--cf-danger); }
.field__count { position: absolute; right: 16px; bottom: 10px; font-size: 12px; color: var(--text-2); font-variant-numeric: tabular-nums; pointer-events: none; }
.field__err { margin-top: 8px; font-size: 13px; color: var(--cf-danger); }

/* Trampa para robots: fuera de la vista, pero no display:none */
.cform__trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.cform__captcha { min-height: 65px; }
.cform__captcha:empty { min-height: 0; }

/* --- Pie del formulario ------------------------------------------------------ */

.cform__foot { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; }
.cform__send { border: 0; cursor: pointer; font-family: inherit; min-width: 190px; position: relative; }
.cform__send[disabled] { opacity: 0.6; cursor: progress; }
.cform__send.is-busy span { visibility: hidden; }
.cform__send.is-busy::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  animation: cf-spin 0.8s linear infinite;
}
@keyframes cf-spin { to { transform: rotate(360deg); } }
.cform__note { font-size: 13px; color: var(--text-2); }
.cform__status { padding: 14px 16px; border-radius: 14px; font-size: 15px; background: var(--cf-field); }
.cform__status.is-error { color: var(--cf-danger); }

/* --- Enviado ------------------------------------------------------------------ */

.cform__done { padding: 24px 0 8px; text-align: center; outline: none; }
.cform__done p { margin: 10px auto 0; max-width: 40ch; color: var(--text-2); }
.cform__check { width: 64px; height: 64px; margin: 0 auto 18px; fill: none; stroke: var(--cf-ok); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.cform__check circle { stroke-dasharray: 151; stroke-dashoffset: 151; animation: cf-draw 0.7s var(--ease-out) forwards; }
.cform__check path { stroke-dasharray: 36; stroke-dashoffset: 36; animation: cf-draw 0.45s 0.45s var(--ease-out) forwards; }
@keyframes cf-draw { to { stroke-dashoffset: 0; } }
.cform__again { margin-top: 22px; padding: 0; border: 0; background: none; font-family: inherit; font-size: 17px; cursor: pointer; }
.cform__again:hover { text-decoration: underline; }

/* --- Responsivo ----------------------------------------------------------------- */

@media (max-width: 640px) {
  .contact { padding: 108px 0 80px; }
  .cform { margin-top: 40px; padding: 26px 20px; border-radius: 22px; }
  .cform__grid { grid-template-columns: 1fr; }
  .cform__foot { flex-direction: column; align-items: stretch; text-align: center; }
  .cform__send { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .cform__check circle, .cform__check path { animation: none; stroke-dashoffset: 0; }
  .cform__send.is-busy::after { animation-duration: 2s; }
}