/* =========================================================
   CO-HUB · Formulario de contacto (sección #contacto)
   Usa los tokens de styles.css. Esquinas rectas, bordes negros,
   menta solo como fondo/acento (nunca texto sobre blanco).
   ========================================================= */
:root {
  --color-error: #B3261E;   /* 6.5:1 sobre blanco (AA) */
}

.contact { margin-top: clamp(3rem, 6vw, 5rem); max-width: 760px; }
.contact__title {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: var(--fs-h3); line-height: 1; color: var(--color-black);
}
.contact__title::after {
  content: ""; display: block; width: 3.5rem; height: 6px; margin-top: .9rem; background: var(--color-mint);
}

.form { margin-top: 2rem; display: grid; gap: 1.5rem; }
.form__row { display: grid; gap: 1.5rem; }
@media (min-width: 700px) {
  .form__row { grid-template-columns: 1fr 1fr; }
}

.field { display: flex; flex-direction: column; gap: .45rem; min-width: 0; }
.field > label {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; font-size: var(--fs-small); color: var(--color-black);
}
.field .req { color: var(--color-black); }
.field .opt { font-family: var(--font-body); font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--color-text-muted); }

.field input,
.field textarea {
  width: 100%; margin: 0;
  font: inherit; font-size: 1.0625rem; color: var(--color-black);
  background: var(--color-white);
  border: 2px solid var(--color-black); border-radius: 0;
  padding: .85rem 1rem;
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 9rem; line-height: 1.5; }
.field input:hover,
.field textarea:hover { background: var(--color-mint-tint); }
.field input:focus-visible,
.field textarea:focus-visible {
  outline: 3px solid var(--color-black); outline-offset: 2px;
  background: var(--color-mint-tint); box-shadow: inset 0 -6px 0 var(--color-mint);
}
.field [aria-invalid="true"] { border-color: var(--color-error); box-shadow: inset 4px 0 0 var(--color-error); }

.field-error,
.form-error { margin: 0; color: var(--color-error); font-weight: 600; font-size: .95rem; }
.field-error::before,
.form-error::before { content: "! "; font-weight: 700; }
.form-error { padding: .85rem 1rem; border-left: 6px solid var(--color-error); background: #FDF1F0; }
.form-error:focus-visible { outline: 3px solid var(--color-black); outline-offset: 2px; }

.form__note { font-size: var(--fs-small); color: var(--color-text-muted); }
.form .btn { justify-self: start; cursor: pointer; }
.form .btn[disabled] { opacity: .7; cursor: progress; }

/* Trampa para bots fuera de pantalla. */
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* ALTCHA (variables CSS del widget). */
altcha-widget {
  --altcha-border-width: 2px;
  --altcha-border-radius: 0;
  --altcha-border-color: var(--color-black);
  --altcha-checkbox-border-color: var(--color-black);
  --altcha-checkbox-border-width: 2px;
  --altcha-checkbox-border-radius: 0;
  --altcha-checkbox-outline-color: var(--color-black);
  --altcha-color-base: var(--color-white);
  --altcha-color-base-content: var(--color-black);
  --altcha-color-primary: var(--color-black);
  --altcha-color-primary-content: var(--color-white);
  --altcha-color-error: var(--color-error);
  --altcha-max-width: 100%;
  font-family: var(--font-body);
}

/* Paneles de resultado. */
.form-panel {
  margin-top: 2rem; padding: 1.75rem 1.5rem;
  background: var(--color-mint-tint); border-left: 8px solid var(--color-mint);
}
.form-panel p + p { margin-top: .5rem; }
.form-panel__title {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(1.35rem, 1.1rem + .8vw, 1.85rem); line-height: 1.05;
}
.form-panel--fail { background: #FDF1F0; border-left-color: var(--color-error); }
.form-panel:focus-visible { outline: 3px solid var(--color-black); outline-offset: 3px; }
.form-panel .btn { margin-top: 1.25rem; cursor: pointer; }
.btn--back::after { display: none; }

@media (max-width: 560px) {
  .form .btn { width: 100%; justify-self: stretch; }
}