/* ==========================================================
   SEO Content Pages — Purrchase AI
   ========================================================== */

:root {
  --seo-primary: #6C2BD9;
  --seo-primary-light: #8B5CF6;
  --seo-primary-bg: #F5F3FF;
  --seo-heading: #1A1A1A;
  --seo-body: #4B5563;
  --seo-border: #E5E7EB;
  --seo-surface: #FFFFFF;
  --seo-bg: #FAFAFA;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body.seo-page {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--seo-body);
  background: var(--seo-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- Header ---- */
.seo-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--seo-border);
}

.seo-header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.seo-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  color: var(--seo-heading);
}

.seo-logo img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.seo-nav {
  display: flex;
  gap: 20px;
  font-size: 13px;
}

.seo-nav a {
  color: var(--seo-body);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}

.seo-nav a:hover {
  color: var(--seo-primary);
}

/* ---- Main ---- */
.seo-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.seo-kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--seo-primary);
  margin-bottom: 12px;
}

.seo-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  color: var(--seo-heading);
  line-height: 1.2;
  margin-bottom: 12px;
}

.seo-meta {
  font-size: 13px;
  color: #9CA3AF;
  margin-bottom: 28px;
}

.seo-lead {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 40px;
  color: var(--seo-heading);
}

/* ---- Content Panels ---- */
.seo-panel {
  margin-bottom: 40px;
}

.seo-panel h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--seo-heading);
  margin-bottom: 16px;
  line-height: 1.3;
}

.seo-panel h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--seo-heading);
  margin-bottom: 10px;
  margin-top: 24px;
}

.seo-panel p {
  margin-bottom: 16px;
  line-height: 1.75;
}

.seo-panel ul, .seo-panel ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.seo-panel li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.seo-panel a {
  color: var(--seo-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.seo-panel a:hover {
  color: var(--seo-primary-light);
}

/* ---- Table ---- */
.seo-table-wrap {
  overflow-x: auto;
  margin-bottom: 16px;
}

.seo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.seo-table th, .seo-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--seo-border);
}

.seo-table th {
  font-weight: 600;
  color: var(--seo-heading);
  background: var(--seo-primary-bg);
  font-size: 13px;
}

.seo-table td {
  color: var(--seo-body);
}

/* ---- Highlight Box ---- */
.seo-highlight {
  background: var(--seo-primary-bg);
  border-left: 4px solid var(--seo-primary);
  padding: 20px 24px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 24px;
}

.seo-highlight p {
  margin-bottom: 0;
  color: var(--seo-heading);
  font-weight: 500;
}

/* ---- Stats Grid ---- */
.seo-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.seo-stat {
  background: var(--seo-surface);
  border: 1px solid var(--seo-border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
}

.seo-stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--seo-primary);
  line-height: 1.2;
}

.seo-stat-label {
  font-size: 12px;
  color: var(--seo-body);
  margin-top: 4px;
}

/* ---- CTA ---- */
.seo-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.seo-button {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.15s;
}

.seo-button:not(.secondary) {
  background: var(--seo-primary);
  color: #fff;
}

.seo-button:not(.secondary):hover {
  background: var(--seo-primary-light);
}

.seo-button.secondary {
  background: var(--seo-surface);
  color: var(--seo-primary);
  border: 1px solid var(--seo-border);
}

.seo-button.secondary:hover {
  border-color: var(--seo-primary);
}

/* ---- Footer ---- */
.seo-footer {
  border-top: 1px solid var(--seo-border);
  padding: 20px 24px;
  font-size: 13px;
  color: #9CA3AF;
}

.seo-footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.seo-footer a {
  color: #9CA3AF;
  text-decoration: none;
}

.seo-footer a:hover {
  color: var(--seo-primary);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .seo-nav { gap: 12px; font-size: 12px; }
  .seo-main { padding: 40px 16px 60px; }
  .seo-cta { flex-direction: column; }
  .seo-button { text-align: center; justify-content: center; }
}