:root {
  color-scheme: light;
  --page-bg: #f3f6fb;
  --card-bg: #ffffff;
  --border: #dfe4ec;
  --text: #202124;
  --muted: #5f6368;
  --blue: #1a73e8;
  --blue-hover: #1765cc;
  --focus: #8ab4f8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.page {
  width: min(100% - 32px, 720px);
  margin: 0 auto;
  padding: 48px 0;
}

.page-centered {
  min-height: 100vh;
  display: grid;
  align-items: center;
}

.survey-card {
  margin: 0 0 16px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(60, 64, 67, 0.06);
}

.intro-card {
  position: relative;
  overflow: hidden;
  padding-top: 32px;
}

.accent-bar {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 8px;
  background: var(--blue);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: 0;
}

p {
  margin: 0;
}

.intro-card p,
.footer-note {
  color: var(--muted);
}

.question-title,
.textarea-label {
  display: block;
  width: 100%;
  margin: 0 0 18px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
}

.question-title {
  line-height: 1.4;
}

label:not(.textarea-label) {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 14px 0;
  color: var(--text);
  cursor: pointer;
}

input[type="radio"] {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--blue);
  flex: 0 0 auto;
}

textarea {
  display: block;
  width: 100%;
  min-height: 140px;
  padding: 12px 14px;
  resize: vertical;
  border: 1px solid #c7cdd7;
  border-radius: 4px;
  color: var(--text);
  font: inherit;
}

input[type="email"] {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #c7cdd7;
  border-radius: 4px;
  color: var(--text);
  font: inherit;
}

textarea:focus,
input[type="email"]:focus,
button:focus-visible,
input[type="radio"]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.submit-row {
  padding: 8px 0 24px;
}

button {
  min-width: 96px;
  padding: 10px 24px;
  border: 0;
  border-radius: 4px;
  background: var(--blue);
  color: #ffffff;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

button:hover {
  background: var(--blue-hover);
}

.thank-you-card {
  margin-bottom: 0;
}

.thank-you-card p + p {
  margin-top: 12px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

.button-link {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 4px;
  background: var(--blue);
  color: #ffffff;
  font-weight: 500;
  text-decoration: none;
}

.button-link:hover {
  background: var(--blue-hover);
}

.secondary-link {
  color: var(--blue);
  font-weight: 500;
  text-decoration: none;
}

.secondary-link:hover {
  text-decoration: underline;
}

.small-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-note {
  padding: 8px 2px 0;
  font-size: 0.9rem;
}

.footer-note p + p {
  margin-top: 8px;
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 24px, 720px);
    padding: 24px 0;
  }

  .survey-card {
    padding: 20px;
  }

  h1 {
    font-size: 2rem;
  }
}