/* ===== Survey Page ===== */
.survey-container {
  max-width: 720px;
}
.survey-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.survey-section {
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.survey-section:last-of-type {
  border-bottom: none;
  margin-bottom: 24px;
}
.survey-section h2 {
  font-size: 22px;
  margin: 0 0 24px;
  letter-spacing: -0.01em;
  color: var(--accent-strong);
}
.field {
  margin-bottom: 24px;
}
.field:last-child {
  margin-bottom: 0;
}
.field label {
  display: block;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 8px;
}
.field .required {
  color: var(--accent);
  margin-left: 2px;
}
.field .hint {
  font-size: 13px;
  color: var(--text-mute);
  margin: 6px 0 0;
}
.field .hint-inline {
  font-weight: 400;
  color: var(--text-mute);
  font-size: 13px;
  margin-left: 4px;
}
input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease;
}
input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-card-hover);
}
input::placeholder,
textarea::placeholder {
  color: var(--text-mute);
}
textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}
.radio-group,
.check-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}
.radio,
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  font-weight: 400;
  font-size: 14.5px;
  color: var(--text-soft);
  transition: border-color 0.15s ease, background 0.15s ease;
  margin-bottom: 0;
}
.radio:hover,
.check:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
}
.radio input,
.check input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}
.radio:has(input:checked),
.check:has(input:checked) {
  border-color: var(--accent);
  background: rgba(217, 119, 87, 0.08);
  color: var(--text);
}
#submit-btn {
  width: 100%;
  margin-top: 8px;
}
#submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.form-message {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14.5px;
  text-align: center;
}
.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}
.form-message.warning {
  background: rgba(217, 119, 87, 0.1);
  border: 1px solid rgba(217, 119, 87, 0.3);
  color: var(--accent-strong);
}
.thanks-card {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 16px;
  padding: 56px 40px;
  text-align: center;
}
.thanks-card h2 {
  font-size: 28px;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.thanks-card p {
  color: var(--text-soft);
  font-size: 16px;
  margin: 0 0 32px;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .survey-form { padding: 22px 18px; border-radius: 12px; }
  .survey-section { padding-bottom: 24px; margin-bottom: 24px; }
  .survey-section h2 { font-size: 18px; margin-bottom: 18px; }
  .field { margin-bottom: 18px; }
  .field label { font-size: 14px; }
  input[type="text"],
  input[type="email"],
  textarea {
    padding: 11px 12px;
    font-size: 16px; /* iOS 줌 방지 */
  }
  .radio,
  .check {
    padding: 11px 12px;
    font-size: 14px;
  }
  .thanks-card {
    padding: 40px 24px;
    border-radius: 12px;
  }
  .thanks-card h2 { font-size: 23px; }
  .thanks-card p { font-size: 15px; }
}