:root {
  --color-primary: #f39415;
  --color-dark: #1d1d1d;
  --color-grey: #939393;
  --color-border: #e2e2e2;
  --color-bg: #f7f7f7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-dark);
  background: var(--color-bg);
  line-height: 1.5;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px 16px;
  text-align: center;
}

.site-header__logo {
  height: 90px;
  width: auto;
}

.progress {
  max-width: 700px;
  margin: 24px auto 0;
  padding: 0 24px;
}

.progress__bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.progress__fill {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.progress__label {
  margin-top: 8px;
  font-size: 13px;
  color: var(--color-grey);
}

.app {
  max-width: 700px;
  margin: 24px auto 64px;
  padding: 0 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 32px;
}

.card h1 {
  margin-top: 0;
  font-size: 26px;
}

.card h2 {
  margin-top: 0;
  font-size: 22px;
  color: var(--color-primary);
}

.card p {
  color: var(--color-dark);
}

.section-heading {
  margin: 32px 0 8px;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-grey);
}

.section-heading:first-child {
  margin-top: 0;
}

.question {
  margin: 24px 0;
}

.question__label {
  display: block;
  font-weight: 600;
  margin-bottom: 10px;
}

.question textarea,
.question input[type="text"] {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  color: var(--color-dark);
  resize: vertical;
}

.question textarea {
  min-height: 90px;
}

.question textarea:focus,
.question input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(243, 148, 21, 0.15);
}

.options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
}

.option:hover {
  border-color: var(--color-primary);
}

.option input[type="radio"],
.option input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--color-primary);
}

.option__other-input {
  margin-top: 8px;
  margin-left: 28px;
}

.group-intro {
  margin-bottom: 14px;
}

.group-field {
  margin-bottom: 14px;
}

.group-field__label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-grey);
}

.words {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.words input {
  flex: 1 1 140px;
}

.actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
}

.btn {
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: #d97f0c;
}

.btn--secondary {
  background: #fff;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-grey);
}

.btn:only-child {
  margin-left: auto;
}

@media (max-width: 600px) {
  .card {
    padding: 24px;
  }

  .site-header__logo {
    height: 64px;
  }
}

.submit-error {
  margin-top: .75rem;
  color: #c0392b;
  font-size: .9rem;
}