:root {
  --bg: #fafafa;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --link: #6366f1;
  --link-hover: #4f46e5;
  --max: 44rem;
  --radius: 0.75rem;
  --card-bg: #f3f4f6;
  --summary-bg: #eef2ff;
  --summary-border: #c7d2fe;
  --table-stripe: #f9fafb;
  --table-header: #f3f4f6;
  --nav-bg: rgba(250,250,250,0.85);
  --btn-bg: #6366f1;
  --btn-text: #fff;
  --badge-bg: #f3f4f6;
  --footer-bg: #fafafa;
  --logo-text: #18181b;
  --logo-accent: #6366f1;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --border: #27272a;
    --link: #818cf8;
    --link-hover: #a5b4fc;
    --card-bg: #18181b;
    --summary-bg: #1e1b4b;
    --summary-border: #3730a3;
    --table-stripe: #18181b;
    --table-header: #1c1c22;
    --nav-bg: rgba(10,10,10,0.85);
    --btn-bg: #6366f1;
    --btn-text: #fff;
    --badge-bg: #27272a;
    --footer-bg: #0a0a0a;
    --logo-text: #f4f4f5;
    --logo-accent: #818cf8;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { padding: 0; margin: 0; overflow-x: hidden; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--link-hover); }

/* ── SITE HEADER (matches landing page) ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}
.site-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.site-logo:hover { text-decoration: none; opacity: 0.9; }
.site-logo img { height: 2rem; width: auto; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
  border: none;
}
.site-nav a {
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.site-nav a:hover { color: var(--text); text-decoration: none; }
.site-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--btn-bg);
  color: var(--btn-text);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.5rem;
  text-decoration: none;
  transition: opacity 0.15s;
}
.site-header-cta:hover { opacity: 0.9; text-decoration: none; color: var(--btn-text); }

@media (max-width: 768px) {
  .site-nav { display: none; }
}

/* ── MAIN CONTENT ── */
main {
  display: block;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}
article { display: block; }

h1 { font-size: 2rem; margin: 0 0 0.75rem; letter-spacing: -0.02em; font-weight: 800; }
h2 { font-size: 1.4rem; margin: 2rem 0 0.5rem; letter-spacing: -0.01em; font-weight: 700; }
h3 { font-size: 1.125rem; margin: 1.25rem 0 0.35rem; letter-spacing: -0.005em; font-weight: 600; }

p { margin: 0.75rem 0; }

/* ── SITE FOOTER (matches landing page) ── */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem 2rem;
  margin-top: 3rem;
}
.site-footer-inner {
  max-width: 80rem;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(5, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer-brand { grid-column: 1 / -1; }
}
.footer-brand p {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 0.75rem;
}
.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li { margin: 0.4rem 0; }
.footer-col a {
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--text); text-decoration: none; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.footer-bottom p {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
}
.footer-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--muted);
  background: var(--badge-bg);
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
}

/* ── BLOG CONTENT STYLES ── */
.meta {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0 0 1rem;
}

.summary {
  background: var(--summary-bg);
  border: 1px solid var(--summary-border);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin: 1rem 0 1.5rem;
  font-size: 1.05rem;
}

.post { margin: 0 0 1.5rem; }

.card {
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

ul, ol { padding-left: 1.5rem; margin: 0.75rem 0; }
li { margin: 0.35rem 0; }

code, pre { white-space: pre-wrap; word-break: break-word; }

/* ── SHARED BLOG COMPONENT STYLES ── */
.comparison-table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.9rem; display: block; overflow-x: auto; }
@media (min-width: 640px) { .comparison-table { display: table; } }
.comparison-table th, .comparison-table td { padding: 0.6rem 0.8rem; border: 1px solid var(--border); text-align: left; }
.comparison-table th { background: var(--table-header); font-weight: 600; color: var(--text); }
.comparison-table tr:nth-child(even) { background: var(--table-stripe); }

.cta-box { background: var(--summary-bg); border: 2px solid var(--link); padding: 1.25rem; border-radius: var(--radius); text-align: center; margin: 2rem 0; }
.cta-box a { display: inline-block; background: var(--btn-bg); color: var(--btn-text); padding: 0.7rem 1.5rem; border-radius: 0.5rem; font-weight: 600; text-decoration: none; }
.cta-box a:hover { opacity: 0.9; text-decoration: none; color: var(--btn-text); }

.pillar, .step { background: var(--card-bg); border-left: 4px solid var(--link); padding: 0.8rem 1rem; margin: 0.75rem 0; border-radius: 0 0.5rem 0.5rem 0; }
.pillar strong, .step strong { color: var(--link); }
.mistake { background: var(--card-bg); border-left: 4px solid #ef4444; padding: 0.8rem 1rem; margin: 0.75rem 0; border-radius: 0 0.5rem 0.5rem 0; }
.winner { background: var(--card-bg); border-left: 4px solid #22c55e; padding: 0.8rem 1rem; margin: 0.75rem 0; border-radius: 0 0.5rem 0.5rem 0; }
.fair { background: var(--card-bg); border-left: 4px solid #3b82f6; padding: 0.8rem 1rem; margin: 0.75rem 0; border-radius: 0 0.5rem 0.5rem 0; }

/* ── MOBILE FRIENDLINESS ── */
a, button { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
.site-header-cta { min-height: 44px; display: inline-flex; align-items: center; }

@media (max-width: 480px) {
  body { font-size: 16px; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.2rem; }
  main { padding: 1.5rem 1rem; }
  .site-header-inner { padding: 0 1rem; }
  .footer-grid { grid-template-columns: 1fr !important; gap: 1.25rem; }
  .comparison-table { font-size: 0.8rem; }
  .comparison-table th, .comparison-table td { padding: 0.4rem 0.5rem; }
}