:root {
  --lingedia-green: #22C55E;
  --lingedia-green-dark: #16a34a;
  --lingedia-red: #E53935;
  --accent-blue: #2563EB;
  --text-color: #111827;
  --muted: #6B7280;
  --bg: #FFFFFF;
  --bg-soft: #F3F4F6;
  --border-soft: #E5E7EB;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.12);
  --max-width: 960px;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

h1 {
  font-size: 42px;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  color: #0f172a;
}

h2 {
  font-size: 28px;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: 16px;
  font-weight: 700;
  color: #0f172a;
}

h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #0f172a;
}

p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 16px;
  color: var(--text-color);
}

ul {
  padding-left: 20px;
  margin-bottom: 20px;
}

li {
  margin-bottom: 8px;
  color: var(--text-color);
}

/* Eyebrow Tags */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent-blue);
}
 
.eyebrow.green .dot {
  background: var(--lingedia-green);
}

.eyebrow.red .dot {
  background: var(--lingedia-red);
}

/* Highlight Box (Used for intro) */
.highlight-box {
  background: #F8FAFC;
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  border: 1px solid var(--border-soft);
  border-left: 4px solid var(--accent-blue);
  margin: 32px 0 48px 0;
  font-size: 17px;
  color: #334155;
}

/* Images */
.content-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.04);
  display: block;
}

/* Feature Grids */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}

.feature-grid.reverse .feature-text {
  order: 2;
}
 
.feature-grid.reverse .feature-image {
  order: 1;
}

/* Test Widget Container */
.test-container {
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  margin-bottom: 64px;
}

/* Premium Dark CTA Card */
.cta-card {
  background: #0F172A;
  color: #E5E7EB;
  border-radius: 24px;
  padding: 48px 40px;
  margin: 64px 0 80px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
}

.cta-card h2 {
  color: #F9FAFB;
  font-size: 32px;
  margin-bottom: 16px;
}

.cta-card p {
  color: #94A3B8;
  font-size: 17px;
  margin-bottom: 32px;
}

/* Data Table */
.data-table-wrapper {
  overflow-x: auto;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  margin: 32px 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th, .data-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
}

.data-table th {
  background: var(--bg-soft);
  font-weight: 700;
  color: #0f172a;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table td:nth-child(2) { color: var(--accent-blue); font-weight: 600; }
.data-table td:nth-child(3) { color: #f59e0b; font-weight: 600; }

/* Info Note Link */
.info-note {
  background: #EFF6FF;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  color: #1E3A8A;
  font-weight: 500;
  margin-bottom: 80px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.info-note a {
  color: var(--accent-blue);
  font-weight: 700;
  text-decoration: none;
}
.info-note a:hover { text-decoration: underline; }

/* Buttons */
.btn-primary {
  display: inline-block;
  background: var(--lingedia-green);
  color: #022C22;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  transition: transform 0.2s, background 0.2s;
  text-align: center;
}
 
.btn-primary:hover {
  transform: translateY(-2px);
  background: #1eb053;
}

/* FAQ */
.faq-section { margin-top: 80px; }
.faq-item { margin-bottom: 32px; padding-bottom: 32px; border-bottom: 1px solid var(--border-soft); }
.faq-item:last-child { border-bottom: none; }

/* Responsive Design */
@media (max-width: 768px) {
  h1 { font-size: 34px; }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 64px;
  }
  .feature-grid.reverse .feature-text { order: 1; }
  .feature-grid.reverse .feature-image { order: 2; }
  .cta-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 32px 24px;
  }
  .test-container { padding: 40px 20px; }
}