:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5f6b7a;
  --line: #dfe5ec;
  --surface: #ffffff;
  --canvas: #f6f8fb;
  --blue: #2468ee;
  --blue-dark: #1554cc;
  --max-width: 760px;
  --font-sans: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-ui: "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 480px at 12% -10%, #e8f0ff 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #f3f6fb 0%, transparent 50%),
    var(--surface);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }

.article-shell {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
  padding: 48px 0 96px;
}

.article-kicker {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-shell h1 {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.article-lede {
  margin: 0 0 28px;
  color: #374151;
  font-size: 19px;
  line-height: 1.55;
}

.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 40px;
}

.article-actions a {
  display: inline-flex;
  align-items: center;
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 650;
}

.article-actions .primary {
  color: #fff;
  background: var(--blue);
}
.article-actions .primary:hover { background: var(--blue-dark); color: #fff; }
.article-actions .secondary {
  color: #293548;
  border: 1px solid #cfd7e3;
  background: #fff;
}

.article-shell h2 {
  margin: 40px 0 14px;
  font-family: var(--font-sans);
  font-size: 28px;
  letter-spacing: -0.02em;
}

.article-shell h3 {
  margin: 28px 0 10px;
  font-size: 18px;
}

.article-shell p,
.article-shell li {
  color: #374151;
  font-size: 16px;
  line-height: 1.65;
}

.article-shell ul { padding-left: 1.2em; }
.article-shell li + li { margin-top: 8px; }

.compare-table {
  width: 100%;
  margin: 20px 0 8px;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font-size: 14px;
}
.compare-table th,
.compare-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.compare-table th {
  background: var(--canvas);
  color: #1f2937;
  font-weight: 650;
}
.compare-table tr:last-child td { border-bottom: 0; }
.compare-table .yes { color: #0f766e; font-weight: 650; }
.compare-table .no { color: #9ca3af; }

.note {
  margin: 24px 0;
  padding: 14px 16px;
  border-left: 3px solid var(--blue);
  background: #f5f8ff;
  color: #374151;
  font-size: 14px;
  line-height: 1.55;
}

.article-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 640px) {
  .article-shell { width: min(100% - 28px, var(--max-width)); padding-top: 28px; }
  .compare-table { display: block; overflow-x: auto; }
}