:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #171717;
  --muted: #626262;
  --line: #dddddd;
  --soft: #f6f6f6;
  --accent: #ef2d28;
  --accent-dark: #c81f1b;
  --focus: #0f766e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.funnel {
  width: min(100%, 720px);
}

.progress-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 14px;
}

.progress-track {
  flex: 1;
  height: 8px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width 180ms ease;
}

form {
  min-height: 520px;
  display: grid;
}

.step {
  display: none;
  align-content: center;
  min-height: 420px;
}

.step.active {
  display: grid;
  gap: 20px;
}

.eyebrow,
.question-number {
  margin: 0;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2 {
  max-width: 620px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1;
  letter-spacing: 0;
}

.lead,
.hint {
  max-width: 590px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.5;
}

.hint {
  font-size: 15px;
}

label {
  display: grid;
  gap: 10px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  min-height: 58px;
  border: 0;
  border-bottom: 2px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  outline: none;
  padding: 10px 2px;
  font-size: 20px;
}

textarea {
  min-height: 128px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #9a9a9a;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--focus);
}

.field-grid {
  display: grid;
  gap: 18px;
}

.step[data-step="business_information"] .field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid label {
  font-size: 14px;
}

.field-grid input,
.field-grid textarea,
.field-grid select {
  min-height: 48px;
  font-size: 17px;
}

.options {
  display: grid;
  gap: 12px;
  width: min(100%, 580px);
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.options button {
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: var(--ink);
  padding: 14px 16px;
  text-align: left;
  font-weight: 800;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease, transform 140ms ease;
}

.options button:hover,
.options button:focus-visible {
  border-color: var(--accent);
  background: #fff2f1;
  outline: none;
}

.options button.selected {
  border-color: var(--accent);
  background: #fff2f1;
  box-shadow: 0 0 0 3px rgba(239, 45, 40, 0.14);
}

.form-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 24px;
}

.primary-action,
.secondary-action {
  min-height: 50px;
  border: 0;
  border-radius: 8px;
  padding: 0 22px;
  font-weight: 900;
  cursor: pointer;
}

.primary-action {
  background: var(--accent);
  color: #ffffff;
}

.primary-action:hover,
.primary-action:focus-visible {
  background: var(--accent-dark);
  outline: none;
}

.primary-action:disabled {
  cursor: wait;
  opacity: 0.7;
}

.secondary-action {
  background: var(--soft);
  color: var(--ink);
  border: 1px solid var(--line);
}

.secondary-action:hover,
.secondary-action:focus-visible {
  border-color: var(--muted);
  outline: none;
}

.error {
  min-height: 22px;
  margin: 0;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
}

.success-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  background: #17a663;
  color: #ffffff;
  font-size: 26px;
  font-weight: 900;
}

@media (max-width: 640px) {
  .page-shell {
    min-height: 100svh;
    padding: 18px;
    place-items: stretch;
  }

  .funnel,
  form,
  .step {
    min-height: 100%;
  }

  h1,
  h2 {
    font-size: 34px;
  }

  .lead {
    font-size: 16px;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .step[data-step="business_information"] .field-grid {
    grid-template-columns: 1fr;
  }

  .form-nav {
    position: sticky;
    bottom: 0;
    background: rgba(255, 255, 255, 0.94);
    padding-bottom: 12px;
  }

  .primary-action,
  .secondary-action {
    flex: 1;
  }
}