.petition-wrapper {
  max-width: 760px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.petition-card {
  background: var(--card);
  border-radius: 0.5rem;
  box-shadow: var(--shadow);
  padding: 2rem;
}

.petition-card h1 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.petition-card .subheading {
  text-align: center;
  color: var(--mid);
  margin-bottom: 1.5rem;
}

.petition-form {
  display: flex;
  flex-direction: column;
}

.petition-form .form__section {
  margin-bottom: 1.5rem;
}

.petition-form .form__group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.petition-form label {
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.petition-form input[type="text"],
.petition-form input[type="email"],
.petition-form select,
.petition-form textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--mid);
  border-radius: var(--radius-md);
  font: inherit;
}

.petition-form input[type="file"] {
  font: inherit;
}

.petition-form textarea {
  min-height: 8rem;
  resize: vertical;
}

.form__group--checkbox label {
  display: flex;
  align-items: flex-start;
  font-weight: 400;
  margin-bottom: 0;
}

.form__group--checkbox input {
  margin-top: 0.25rem;
  margin-right: 0.5rem;
}

.petition-form .button {
  width: 100%;
  font-weight: 700;
  margin-top: 1rem;
  transition: background 0.2s;
}

.petition-form .button:hover {
  background: var(--green-dark);
}

@media (min-width: 640px) {
  .petition-form .button {
    width: auto;
    align-self: flex-end;
    padding: 0.75rem 2rem;
  }
}

.petition-form .error {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.form-message {
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
  border: 1px solid transparent;
}

.form-message--success {
  background-color: var(--green);
  border-color: var(--green);
  color: #fff;
}

.form-message--error {
  background-color: #fef2f2;
  border-color: #f87171;
  color: #b91c1c;
}

.privacy-note {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--mid);
}

@media (max-width: 480px) {
  .petition-card {
    padding: 1.5rem;
  }
}

.share-section {
  margin-top: 2rem;
  text-align: center;
}

.share-section h2 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.share-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  text-decoration: none;
}

.share-button:focus-visible {
  outline: 2px dashed var(--green-accent);
  outline-offset: 3px;
}

.share-button--facebook {
  background: #1877f2;
  border-color: #1558d6;
  color: #fff;
}

.share-button--facebook:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 12px rgba(24, 119, 242, 0.25);
}

.share-button--twitter {
  background: #000;
  border-color: #000;
  color: #fff;
}

.share-button--twitter:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
}

.share-button--copy {
  background: transparent;
  border-color: var(--green-dark);
  color: var(--green-dark);
}

.share-button--copy:hover {
  background: var(--green-dark);
  color: #fff;
}

.share-feedback {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--mid);
}

.share-feedback.is-error {
  color: #dc2626;
}