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

.contact {
  padding-block: var(--space-3xl);
}

.contact__form {
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl) var(--space-xl);
}

/* ── Field wrapper ── */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

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

/* ── Label ── */
.field label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  transition: color var(--duration-fast) var(--ease-out);
}

.field:focus-within label {
  color: var(--accent-green);
}

/* ── Underline inputs ── */
.field input,
.field select,
.field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-medium);
  border-radius: 0;
  padding: var(--space-sm) 0;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out);
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-tertiary);
  opacity: 0.6;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-bottom-color: var(--accent-green);
}

/* ── Select arrow ── */
.field--select {
  position: relative;
}

.field--select::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: calc(var(--space-sm) + 0.45em);
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1px solid var(--text-tertiary);
  border-bottom: 1px solid var(--text-tertiary);
  transform: rotate(45deg);
  pointer-events: none;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.field--select:focus-within::after {
  border-color: var(--accent-green);
}

.field select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* ── Textarea ── */
.field textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: 1.7;
}

/* ── Error message ── */
.field__error {
  font-size: var(--text-xs);
  color: #d97070;
  min-height: 1em;
  display: block;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-bottom-color: #d97070;
}

/* ── Submit button ── */
.contact__submit {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 2rem;
  background: var(--accent-green);
  color: var(--bg-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: opacity var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.contact__submit:hover {
  opacity: 0.85;
}

.contact__submit:active {
  transform: scale(0.98);
}

.contact__submit:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

/* ── Loading spinner ── */
.contact__submit .btn-spinner {
  display: none;
  width: 0.9rem;
  height: 0.9rem;
  border: 2px solid rgba(10, 15, 12, 0.3);
  border-top-color: var(--bg-primary);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

.contact__submit.is-loading .btn-spinner {
  display: block;
}

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

/* ── Success state ── */
.contact__success {
  display: none;
  grid-column: 1 / -1;
  padding: var(--space-lg) var(--space-xl);
  background: rgba(111, 174, 124, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  color: var(--accent-glow);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.contact__success.is-visible {
  display: block;
}

/* ── Result live region ── */
.contact__live {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .contact__form {
    grid-template-columns: 1fr;
  }

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