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

:root {
  --blue: #3b82f6;
  --blue-dark: #2563eb;
  --blue-bg: #eff6ff;
  --blue-border: #bfdbfe;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --bg: #ffffff;
  --bg-secondary: #f9fafb;
  --border: #e5e7eb;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --warning-text: #92400e;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
}

/* Navigation */
header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav {
  max-width: 800px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--blue);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--blue);
}

/* Main content */
main {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  padding: 80px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.tagline {
  font-size: 18px;
  color: var(--text-secondary);
}

/* Product card */
.products {
  padding: 0 0 80px;
}

.product-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  background: var(--bg-secondary);
}

.product-card h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--blue);
}

.product-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-card ul {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
  padding-left: 24px;
}

.product-card.accent {
  background: var(--blue-bg);
  border-color: var(--blue-border);
}

.product-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.product-links a {
  color: var(--blue);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.product-links a:hover {
  text-decoration: underline;
}

/* Legal pages */
.legal {
  padding: 48px 0 80px;
}

.legal h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 4px;
}

.effective-date {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.legal .intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.legal h2 {
  font-size: 16px;
  font-weight: 700;
  margin-top: 8px;
  margin-bottom: 8px;
}

.legal h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.legal p,
.legal ul {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.legal ul {
  padding-left: 20px;
}

.legal li {
  margin-bottom: 4px;
}

.legal strong {
  color: var(--text-primary);
  font-weight: 700;
}

.highlight-box {
  background: var(--blue-bg);
  border: 1px solid var(--blue-border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.highlight-box p {
  margin-bottom: 0;
  color: var(--blue-dark);
}

.warning-box {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.warning-box p {
  margin-bottom: 0;
  color: var(--warning-text);
}

/* Support card (used on Contact) */
.support {
  padding: 48px 0 80px;
}

.support h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.support > p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.support-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  background: var(--bg-secondary);
}

.support-card h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.support-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.support-card a {
  color: var(--blue);
  text-decoration: none;
}

.support-card a:hover {
  text-decoration: underline;
}

/* Page header (used by Products, Consulting, Blog index) */
.page-header {
  padding: 64px 0 32px;
  text-align: center;
}

.page-header h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.page-intro {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 640px;
  margin: 0 auto;
}

/* Home link cards */
.home-links {
  padding: 0 0 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.home-link-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  background: var(--bg-secondary);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}

.home-link-card:hover {
  border-color: var(--blue-border);
}

.home-link-card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--blue);
}

.home-link-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Blog index */
.blog-index {
  padding: 48px 0 80px;
}

.blog-index h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.blog-index .page-intro {
  margin: 0 0 32px;
  max-width: none;
  text-align: left;
  font-size: 15px;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blog-card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  background: var(--bg-secondary);
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  border-color: var(--blue-border);
}

.blog-card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.blog-card .blog-date {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.blog-card .blog-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.blog-empty {
  font-size: 14px;
  color: var(--text-muted);
}

/* Blog post body */
.post-body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.post-body h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 32px 0 12px;
}

.post-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 24px 0 8px;
}

.post-body p {
  margin-bottom: 16px;
}

.post-body ul,
.post-body ol {
  margin: 0 0 16px 20px;
}

.post-body li {
  margin-bottom: 6px;
}

.post-body a {
  color: var(--blue);
  text-decoration: none;
}

.post-body a:hover {
  text-decoration: underline;
}

.post-body code {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.post-body pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 16px;
  font-size: 13px;
}

.post-body pre code {
  background: none;
  border: none;
  padding: 0;
}

.post-body blockquote {
  border-left: 3px solid var(--border);
  padding-left: 16px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
}

footer p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 28px;
  }

  .tagline {
    font-size: 16px;
  }

  .product-card {
    padding: 24px;
  }

  .nav-links {
    gap: 16px;
  }

  .home-links {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 28px;
  }

  .page-intro {
    font-size: 15px;
  }
}