:root {
  --bg: #f7f8ff;
  --card: #ffffff;
  --text: #1f2530;
  --muted: #5a6372;
  --primary: #4c6fff;
  --primary-dark: #3a57d6;
  --accent: #eef2ff;
  --border: #dbe2ff;
  --danger: #c62828;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #edf1ff, var(--bg));
  line-height: 1.55;
}

.container {
  width: min(920px, 92vw);
  margin: 0 auto;
}

.site-header {
  padding: 2.5rem 0 2rem;
}

.site-header-inner {
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 2.3vw + 1rem, 2.8rem);
}

.lead {
  width: min(700px, 100%);
  margin: 0.8rem auto 0;
  color: var(--muted);
}

.header-actions {
  margin-top: 1.2rem;
}

.section {
  margin: 0 0 1.8rem;
}

.section h2 {
  margin: 0 0 0.6rem;
  font-size: 1.35rem;
}

.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.info-card,
.question-card,
.quiz-wrap,
.result {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(23, 31, 63, 0.05);
}

.info-card {
  padding: 0.85rem;
}

.info-card h3 {
  margin: 0 0 0.25rem;
}

.benefits {
  margin: 0.6rem 0 0;
  padding-left: 1.2rem;
}

.benefits li {
  margin: 0.45rem 0;
}

.quiz-wrap {
  padding: 1rem;
}

.question-card {
  padding: 1rem 1rem 0.9rem;
  margin-bottom: 0.85rem;
}

.question-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.question-card label {
  display: block;
  margin: 0.45rem 0;
  cursor: pointer;
}

.question-card input[type="radio"] {
  margin-right: 0.5rem;
  accent-color: var(--primary);
}

.actions {
  display: flex;
  justify-content: center;
  margin: 1.2rem 0;
}

button,
.button,
#email-share {
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 1rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.primary:hover {
  background: var(--primary-dark);
}

.error {
  text-align: center;
  color: var(--danger);
  min-height: 1.2em;
  margin-top: 0;
}

.result {
  margin-top: 1rem;
  background: var(--accent);
  padding: 1rem;
}

.result h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.result-summary {
  color: var(--muted);
  margin-top: 0.5rem;
}

.share-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

#copy-result,
#email-share {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}

#copy-result:hover,
#email-share:hover {
  border-color: var(--primary);
}

.footer {
  margin: 2rem auto 2.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.hidden {
  display: none;
}

@media (max-width: 700px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .quiz-wrap {
    padding: 0.8rem;
  }

  button,
  .button,
  #email-share {
    width: 100%;
  }
}