/* ---------- Layout ---------- */
.contact__grid {
  display: grid;
  gap: var(--space-3xl);
  align-items: start;
}

.contact__panel {
  padding: var(--space-xl) var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

.contact__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-xl);
}

/* ---------- Form ---------- */
.contact-form {
  display: grid;
  gap: var(--space-lg);
}

/* display: grid would otherwise override the hidden attribute */
.contact-form[hidden] {
  display: none;
}

.form-row {
  display: grid;
  gap: var(--space-lg);
}

.form-group {
  display: grid;
  gap: var(--space-xs);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text);
}

.form-required {
  color: var(--color-accent);
}

.form-optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.form-select {
  appearance: none;
  padding-right: 2.5rem;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--color-primary) 50%),
    linear-gradient(135deg, var(--color-primary) 50%, transparent 50%);
  background-position:
    calc(100% - 1.2rem) 50%,
    calc(100% - 0.85rem) 50%;
  background-size: 0.35rem 0.35rem;
  background-repeat: no-repeat;
}

.form-textarea {
  resize: vertical;
  min-height: 9rem;
}

.form-hint,
.form-note {
  font-size: var(--fs-xs);
}

.form-error {
  font-size: var(--fs-xs);
  font-weight: 700;
  color: #a4373a;
}

.form-field[aria-invalid="true"] {
  border-color: #a4373a;
}

.contact-form__submit {
  justify-self: start;
  padding-inline: var(--space-2xl);
}

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

.contact-success > * + * {
  margin-top: var(--space-md);
}

.contact-success__icon {
  position: relative;
  display: block;
  width: 4rem;
  height: 4rem;
  margin-inline: auto;
  background-color: var(--color-secondary);
  border-radius: 50%;
  animation: success-pop 400ms ease-out;
}

.contact-success__icon::after {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  width: 0.9rem;
  height: 1.6rem;
  border-right: 3px solid var(--color-white);
  border-bottom: 3px solid var(--color-white);
  transform: rotate(45deg);
}

.contact-success__title {
  font-size: var(--fs-xl);
}

.contact-success__title:focus {
  outline: none;
}

.contact-success .btn {
  margin-top: var(--space-lg);
}

@keyframes success-pop {
  from {
    transform: scale(0.6);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-success__icon {
    animation: none;
  }
}

/* ---------- What happens next ---------- */
.contact__aside-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-xl);
}

.steps {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  counter-reset: step;
}

.steps__item {
  position: relative;
  padding-left: 3.25rem;
  counter-increment: step;
}

.steps__item::before {
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: 50%;
}

.steps__item h3 {
  font-size: var(--fs-md);
  margin-bottom: var(--space-2xs);
}

@media (min-width: 640px) {
  .contact__panel {
    padding: var(--space-2xl);
  }

  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .contact__grid {
    grid-template-columns: 1.6fr 1fr;
  }

  .contact__aside {
    padding-top: var(--space-xl);
  }
}

.form-note a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}