/* ============================================================
   ESTUDIO MARTINI — Contacto
   ============================================================ */

/* ─── Contact Layout ─────────────────────────────────────── */
.contact-section {
  padding-block: var(--space-20) var(--space-32);
}

.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-20);
  align-items: start;
  padding-top: var(--space-16);
  border-top: var(--border-thin);
}

/* ─── Form ───────────────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

/* Field wrapper */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
}

.form-field--full {
  grid-column: 1 / -1;
}

/* Label */
.form-label {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gray-400);
  transition: color var(--dur-fast) var(--ease-out);
}

.form-field:focus-within .form-label {
  color: var(--color-dark);
}

/* Input / Select / Textarea — border-bottom style */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-gray-200);
  border-radius: 0;
  padding: var(--space-3) 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--color-dark);
  outline: none;
  transition: border-color var(--dur-base) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
  font-weight: 300;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-bottom-color: var(--color-dark);
}

/* Underline animation on focus */
.form-field::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-dark);
  transition: width var(--dur-slow) var(--ease-out);
}

.form-field:focus-within::after {
  width: 100%;
}

/* Select arrow */
.form-select-wrap {
  position: relative;
}

.form-select-wrap::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--color-gray-400);
  border-bottom: 1px solid var(--color-gray-400);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.7;
}

/* Required asterisk */
.form-required {
  color: var(--color-gray-400);
  font-size: var(--text-xs);
  margin-left: 2px;
}

/* Error state */
.form-field--error .form-input,
.form-field--error .form-select,
.form-field--error .form-textarea {
  border-bottom-color: #c0392b;
}

.form-field--error::after {
  background-color: #c0392b;
  width: 100%;
}

.form-error {
  display: none;
  font-size: var(--text-xs);
  color: #c0392b;
  font-weight: 400;
}

.form-field--error .form-error {
  display: block;
}

/* Submit button area */
.form-submit-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-4);
  flex-wrap: wrap;
}

.form-status {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}

.form-status.visible {
  opacity: 1;
}

.form-status--success { color: #27ae60; }
.form-status--error   { color: #c0392b; }

/* Loading state on button */
.btn--loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn--loading .btn-label { opacity: 0; }
.btn--loading .btn-spinner { display: inline-block; }

.btn-spinner {
  display: none;
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

/* ─── Contact Info ───────────────────────────────────────── */
.contact-info {
  position: sticky;
  top: calc(var(--space-20) + var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.contact-info__block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-bottom: var(--space-10);
  border-bottom: var(--border-thin);
}

.contact-info__block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-info__heading {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gray-400);
  margin-bottom: var(--space-2);
}

.contact-info__item {
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--color-gray-600);
  line-height: 1.6;
  transition: color var(--dur-fast) var(--ease-out);
}

a.contact-info__item:hover {
  color: var(--color-dark);
}

.contact-whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: 1px solid #25d366;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #25d366;
  transition: all var(--dur-base) var(--ease-out);
  align-self: flex-start;
}

.contact-whatsapp-btn:hover {
  background-color: #25d366;
  color: var(--color-white);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }

  .contact-info {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-8);
  }

  .contact-info__block {
    flex: 1 1 200px;
  }
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-info {
    flex-direction: column;
  }
}