/* ── Contact Form Section ─────────────────────── */

.contact-form {
  background-color: var(--color-accent);
  padding: var(--space-2xl) 0;
  color: var(--color-dark);
}

.contact-form__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

/* Kicker — "Contacto" (patrón: section label) */
.contact-form__kicker {
  font-size: var(--text-label);
  font-weight: var(--fw-medium);
  line-height: var(--lh-normal);
  letter-spacing: var(--ls-tight);
  color: var(--color-dark);
  opacity: 0.6;
}

/* Heading — "Agenda una llamada" (patrón: section heading) */
.contact-form__heading {
  margin-top: var(--space-xs);
  font-size: var(--text-statement);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  color: var(--color-dark);
}

/* Body — descripción */
.contact-form__body {
  margin-top: var(--space-sm);
  font-size: var(--text-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--color-dark);
  opacity: 0.75;
}

/* Fields grid: 2 columns desktop, 1 column mobile */
.contact-form__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.contact-form__field--full {
  grid-column: 1 / -1;
}

.contact-form__required-note {
  grid-column: 1 / -1;
  font-size: var(--text-small);
  line-height: var(--lh-relaxed);
  margin: 0;
}

/* Labels */
.contact-form__label {
  display: block;
  font-weight: var(--fw-medium);
  font-size: var(--text-small);
  margin-bottom: var(--space-xs);
  color: var(--color-dark);
}

.contact-form__optional {
  font-weight: var(--fw-regular);
  opacity: 0.6;
}

/* Inputs, select, textarea — Liquid Glass */
.contact-form__input {
  width: 100%;
  padding: var(--space-sm);
  background-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(32, 34, 19, 0.06);
  font-family: inherit;
  font-size: var(--text-body);
  color: var(--color-dark);
  transition: background-color var(--duration-fast),
              border-color var(--duration-fast),
              box-shadow var(--duration-fast);
}

/* Fallback for browsers without backdrop-filter */
@supports not (backdrop-filter: blur(1px)) {
  .contact-form__input {
    background-color: rgba(255, 255, 255, 0.65);
  }
}

.contact-form__input::placeholder {
  color: rgba(32, 34, 19, 0.45);
}

.contact-form__input:focus {
  outline: 2px solid var(--color-dark);
  outline-offset: 2px;
  border-color: rgba(255, 255, 255, 0.8);
  background-color: rgba(255, 255, 255, 0.6);
}

/* Select: custom arrow */
.contact-form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23202213' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 48px;
  cursor: pointer;
}

/* Textarea */
.contact-form__textarea {
  resize: vertical;
  min-height: 100px;
}

/* GDPR consent */
.contact-form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--text-small);
  line-height: var(--lh-relaxed);
  cursor: pointer;
}

.contact-form__checkbox {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-dark);
}

.contact-form__link {
  color: var(--color-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-form__link:hover {
  opacity: 0.7;
}

/* Submit button — dark variant for accent background */
.btn--dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.btn--dark:hover {
  opacity: 0.85;
}

.contact-form__submit {
  width: 100%;
  justify-content: center;
}

/* Loading state */
.contact-form__submit.is-loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Success message */
.contact-form__success {
  text-align: center;
  padding: var(--space-xl) 0;
}

.contact-form__success-title {
  font-size: var(--text-h2);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-xs);
}

.contact-form__success-body {
  font-size: var(--text-body);
  opacity: 0.75;
}

/* Error message */
.contact-form__error {
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  background: rgba(32, 34, 19, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--text-small);
  text-align: center;
}

.contact-form__error a {
  color: var(--color-dark);
  text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .contact-form {
    padding: var(--space-xl) 0;
  }

  .contact-form__fields {
    grid-template-columns: 1fr;
  }

  .contact-form__heading {
    font-size: var(--text-2xl);
  }
}