:root {
  --page: #f6f7f1;
  --surface: #ffffff;
  --ink: #1c2528;
  --muted: #687477;
  --line: #dce1d4;
  --teal: #0d746c;
  --teal-dark: #085a54;
  --teal-soft: #e7f4f1;
  --coral: #df5b42;
  --amber: #f2be45;
  --violet: #6251a4;
  --danger: #b42318;
  --success: #1f7a4d;
  --shadow: 0 18px 48px rgba(36, 43, 43, 0.12);
  --radius: 8px;
}

body {
  background: var(--page);
  color: var(--ink);
  font-family:
    Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.page {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  padding: 16px;
}

.topbar,
.footer,
.app {
  width: min(100%, 960px);
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0 18px;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
}

.brand--logo {
  min-height: 44px;
  border-radius: var(--radius);
}

.brand-logo {
  width: 240px;
  max-height: 150px;
  flex: 0 0 auto;
  object-fit: contain;
}

.developer-contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.contact-button {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 800;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.contact-button:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
  transform: translateY(-1px);
}

.app {
  display: grid;
  flex: 1;
  align-items: center;
  padding: 8px 0 18px;
}

.screen {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.screen--start,
.screen--quiz,
.screen--result {
  padding: 22px;
}

.kicker {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.title {
  max-width: 740px;
  margin-top: 10px;
  font-size: 32px;
  line-height: 1.12;
}

.lead {
  max-width: 680px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

.summary-strip {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.summary-item {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-weight: 700;
}

.summary-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--amber);
}

.start-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 18px;
  font-weight: 800;
  text-align: center;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button:focus-visible,
.option-button:focus-visible,
.field-input:focus-visible,
.brand:focus-visible,
.contact-button:focus-visible {
  outline: 3px solid rgba(13, 116, 108, 0.3);
  outline-offset: 3px;
}

.button--primary {
  background: var(--teal);
  color: #ffffff;
}

.button--primary:hover:not(:disabled) {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

.button--primary:disabled {
  background: #a9bbb7;
}

.button--ghost {
  border-color: var(--line);
  background: #ffffff;
  color: var(--ink);
}

.button--ghost:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.quiz-top {
  display: grid;
  gap: 10px;
}

.progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.progress-track {
  overflow: hidden;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: #e9ece3;
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
  transition: width 180ms ease;
}

.question {
  margin-top: 22px;
}

.question-title {
  font-size: 25px;
  line-height: 1.2;
}

.question-hint {
  margin-top: 8px;
  color: var(--muted);
}

.option-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  list-style: none;
}

.option-button {
  display: grid;
  width: 100%;
  min-height: 58px;
  grid-template-columns: 22px 1fr;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  padding: 14px;
  text-align: left;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.option-button:hover {
  border-color: var(--teal);
  transform: translateY(-1px);
}

.option-button.is-selected {
  border-color: var(--teal);
  background: var(--teal-soft);
}

.option-indicator {
  width: 20px;
  height: 20px;
  border: 2px solid #b8c3bd;
  border-radius: 50%;
  background: #ffffff;
}

.option-button.is-selected .option-indicator {
  border: 6px solid var(--teal);
}

.option-label {
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 750;
}

.quiz-actions,
.result-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 22px;
}

.choice-hint {
  min-height: 22px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  background: #f5edff;
  color: var(--violet);
  padding: 7px 11px;
  font-size: 13px;
  font-weight: 800;
}

.result-title {
  margin-top: 12px;
  font-size: 30px;
  line-height: 1.16;
}

.result-short {
  max-width: 720px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 17px;
}

.result-blocks {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.result-block {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.result-block h2 {
  font-size: 16px;
  line-height: 1.25;
}

.result-block p {
  margin-top: 6px;
  color: var(--muted);
}

.step-list {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  padding-left: 20px;
}

.step-list li {
  color: var(--muted);
}

.lead-zone {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.lead-zone h2 {
  font-size: 22px;
  line-height: 1.2;
}

.lead-zone p {
  margin-top: 8px;
  color: var(--muted);
}

.request-note {
  max-width: 640px;
  white-space: pre-line;
}

.lead-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.field {
  display: grid;
  gap: 7px;
}

.field-label {
  font-weight: 800;
}

.field-input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  padding: 12px 13px;
}

.field-input[aria-invalid="true"] {
  border-color: var(--danger);
}

.field-error {
  min-height: 18px;
  color: var(--danger);
  font-size: 13px;
}

.form-note {
  max-width: 640px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 13px;
}

.fallback-contacts {
  margin-top: 16px;
  border-left: 4px solid var(--teal);
  padding-left: 14px;
}

.fallback-contacts h3 {
  font-size: 16px;
}

.fallback-list {
  display: grid;
  gap: 6px;
  margin-top: 8px;
  list-style: none;
}

.fallback-list a {
  color: var(--teal-dark);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.footer {
  padding: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}