body{font-family:system-ui,sans-serif;line-height:1.6;margin:0;background:#f8fafc;color:#0f172a}
header,footer{background:#e2e8f0;padding:1rem;text-align:center}
header a{color:inherit;text-decoration:none;font-weight:700}
main.container{max-width:800px;margin:2rem auto;padding:0 1rem}
footer{font-size:.9rem}
/* === Animated Gauge + CountUp === */
:root{--muted:#94a3b8;--text:#0f172a;--accent:#2563eb;--cyan:#22d3ee}
.gauge-wrap{display:grid;place-items:center;margin:18px auto}
.gauge{aspect-ratio:1/1;max-width:360px;width:100%}
.gauge svg{overflow:visible}
.gauge .ring{fill:none;stroke:#e5eaf1;stroke-width:16}
.gauge .arc{fill:none;stroke:var(--accent);stroke-linecap:round;stroke-width:16;filter:drop-shadow(0 2px 6px rgba(37,99,235,.45))}
.gauge .tick{stroke:#cfd6e2;stroke-width:2}
.gauge .needle{transform-origin:180px 180px;filter:drop-shadow(0 0 6px rgba(34,211,238,.5))}
.big-num{font-size:64px;font-weight:900;line-height:1}
.units{margin-left:6px;font-weight:700;color:#334155}
.stat-card{background:#f1f5f9;border:1px solid #e5eaf1;border-radius:14px;padding:12px}
.stat-card .label{color:#64748b;font-weight:700}
.stat-card .val{font-size:28px;font-weight:800}
.testing .big-num,.testing .stat-card .val{animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.9;transform:scale(.992)}}
/* === Animated Gauge + CountUp (safe append) === */
:root{--muted:#94a3b8;--accent:#2563eb}
.gauge-wrap{display:grid;place-items:center;margin:18px auto}
.gauge{aspect-ratio:1/1;max-width:360px;width:100%}
.gauge svg{overflow:visible}
.gauge .ring{fill:none;stroke:#e5eaf1;stroke-width:16}
.gauge .arc{fill:none;stroke:var(--accent);stroke-linecap:round;stroke-width:16;filter:drop-shadow(0 2px 6px rgba(37,99,235,.45))}
.gauge .tick{stroke:#cfd6e2;stroke-width:2}
.gauge .needle{transform-origin:180px 180px;filter:drop-shadow(0 0 6px rgba(34,211,238,.5))}
.big-num{font-size:64px;font-weight:900;line-height:1}
.units{margin-left:6px;font-weight:700;color:#334155}
.stat-card{background:#f1f5f9;border:1px solid #e5eaf1;border-radius:14px;padding:12px}
.stat-card .label{color:#64748b;font-weight:700}
.stat-card .val{font-size:28px;font-weight:800}
.testing .big-num,.testing .stat-card .val{animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.9;transform:scale(.992)}}

.article-header{background:#0f172a;color:#f8fafc;padding:3rem 1rem;text-align:center}
.article-header .back-link{display:inline-block;margin-bottom:1rem;color:#38bdf8;text-decoration:none;font-weight:600}
.article-header .label{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;color:#bae6fd;margin:0}
.article-header h1{margin:.5rem 0 0;font-size:2.2rem}
.article-header .meta{margin-top:.75rem;color:#cbd5f5;font-size:.95rem}
.article-body{background:#fff;border-radius:18px;box-shadow:0 18px 48px rgba(15,23,42,.08);padding:2.5rem;margin:-2.5rem auto 3rem;max-width:880px}
.article-body p{margin:1rem 0}
.article-body a{color:#2563eb;font-weight:600}
.article-body .cta{background:#dbeafe;border-left:4px solid #2563eb;padding:1rem 1.25rem;border-radius:12px;margin:1.5rem 0;font-weight:600}
.article-body .tldr{background:#0f172a;color:#f8fafc;border-radius:16px;padding:1.5rem;margin:2rem 0}
.tldr-title{margin-top:0;font-size:1.3rem}
.tldr ul{margin:0;padding-left:1.25rem}
.article-figure{margin:2rem 0;text-align:center}
.article-figure img{max-width:100%;height:auto;border-radius:14px;background:#0f172a}
.article-body h2{margin-top:2.5rem;font-size:1.8rem}
.article-body h3{margin-top:1.5rem;font-size:1.2rem}
.article-body table{width:100%;border-collapse:collapse;margin:1.5rem 0}
.article-body th,.article-body td{border:1px solid #e2e8f0;padding:.75rem;text-align:left}
.checklist{background:#f8fafc;border-radius:16px;padding:1.25rem 1.5rem;margin:1.5rem 0}
.checklist li{margin:.5rem 0}
.faq article{background:#f1f5f9;border-radius:14px;padding:1rem 1.25rem;margin:1rem 0}
.related-reading{margin:2.5rem 0 1rem}
.related-reading ul{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.75rem}
.related-reading a{display:inline-flex;align-items:center;gap:.4rem}
.article-footer{text-align:center;padding:2rem 1rem;background:#e2e8f0}
.blog-header{background:#0f172a;color:#f8fafc;padding:3rem 1rem;text-align:center}
.blog-list{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:2.5rem;margin:0 auto 4rem;max-width:1100px}
.posts{display:grid;gap:1.5rem}
.post-card{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 8px 24px rgba(15,23,42,.08);border:1px solid #e2e8f0}
.post-card h2{margin-top:0;margin-bottom:.5rem;font-size:1.5rem}
.post-card .meta{font-size:.9rem;color:#64748b;margin-bottom:.75rem}
.cta-card{background:#dbeafe;border-radius:16px;padding:2rem;align-self:start;box-shadow:0 10px 30px rgba(37,99,235,.1);border:1px solid #bfdbfe}
.cta-card h2{margin-top:0}
.button{display:inline-block;margin-top:1rem;padding:.75rem 1.5rem;border-radius:999px;background:#2563eb;color:#fff;text-decoration:none;font-weight:700}
@media (max-width:960px){
  .article-body{margin:-2rem 1rem 3rem;padding:2rem}
  .blog-list{grid-template-columns:1fr}
  .cta-card{position:relative}
}
@media (max-width:640px){
  .article-header h1{font-size:1.8rem}
  .article-body{padding:1.5rem}
}