:root {
  --nav-bg: oklch(15% 0.008 45);
  --nav-fg: oklch(90% 0.006 60);
  --accent: oklch(62% 0.16 55);
  --accent-hover: oklch(68% 0.17 55);
  --bg: oklch(97.5% 0.006 80);
  --bg-alt: oklch(94% 0.01 75);
  --fg: oklch(18% 0.01 45);
  --muted: oklch(50% 0.012 55);
  --border: oklch(89% 0.012 70);
  --max: 780px;
  --r: 3px;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 19px;
  line-height: 1.75;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header { background: var(--nav-bg); position: sticky; top: 0; z-index: 100; }
.site-header-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 1.25rem;
  display: flex; justify-content: space-between; align-items: center;
  height: 56px; gap: 1rem;
}
.brand {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 800; font-size: 1.3rem;
  letter-spacing: -0.03em; color: var(--accent);
  text-decoration: none; flex-shrink: 0;
}
.brand:hover { color: var(--accent-hover); }
.site-nav a {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.82rem; font-weight: 500;
  color: var(--nav-fg); text-decoration: none;
  padding: 0 0.9rem; letter-spacing: 0.02em;
  text-transform: uppercase; line-height: 56px;
  display: inline-block; transition: color 0.15s;
}
.site-nav a:hover { color: var(--accent); }
.header-accent-line { height: 2px; background: var(--accent); opacity: 0.7; }

/* Article head (dark) */
.article-head { background: var(--nav-bg); padding: 2.5rem 1.25rem 2.75rem; }
.article-head-inner { max-width: var(--max); margin: 0 auto; }
.breadcrumb {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.1rem;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-hover); }
.breadcrumb .sep { color: oklch(45% 0.01 55); margin: 0 0.5em; }
.article-head h1 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-optical-sizing: auto;
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  font-weight: 700; line-height: 1.2;
  letter-spacing: -0.02em;
  color: oklch(95% 0.006 70);
  margin: 0 0 1rem;
}
.article-head .dek {
  font-family: 'Source Serif 4', Georgia, serif;
  font-optical-sizing: auto;
  font-size: 1.1rem; font-weight: 400; font-style: italic;
  color: oklch(75% 0.01 60);
  margin: 0 0 1.5rem;
  line-height: 1.55;
  max-width: 640px;
}
.byline {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.84rem; color: oklch(70% 0.01 55);
  margin: 0;
}
.byline .author { color: var(--accent); font-weight: 600; }
.article-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.25rem 0 0;
}
.article-tags span {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: oklch(85% 0.01 60);
  background: oklch(25% 0.01 50);
  border-radius: 2px;
  padding: 0.25em 0.65em;
}

/* Numerical highlight stripe */
.stats-strip {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  margin: 0 0 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.stats-strip .stat-num {
  font-family: 'Source Serif 4', Georgia, serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-size: 1.65rem;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 0.2rem;
}
.stats-strip .stat-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

/* Table of contents */
.toc {
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  border-radius: var(--r);
  padding: 1.1rem 1.4rem;
  margin: 0 0 2rem;
  font-family: 'Inter', system-ui, sans-serif;
}
.toc-title {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.7rem;
}
.toc ol {
  margin: 0; padding-left: 1.25rem;
  font-size: 0.92rem; color: var(--fg);
}
.toc li { margin-bottom: 0.3rem; }
.toc a { color: var(--fg); text-decoration: none; }
.toc a:hover { color: var(--accent); }

/* H2 numbering */
.article-body h2 .h-num {
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-right: 0.65em;
  vertical-align: 0.18em;
}

/* Verdict card */
.verdict {
  background: var(--nav-bg);
  border-radius: var(--r);
  padding: 1.75rem 1.75rem;
  margin: 2.5rem 0 1.5rem;
  color: oklch(92% 0.006 70);
}
.verdict-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.85rem;
}
.verdict-title {
  font-family: 'Source Serif 4', Georgia, serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.015em;
  color: oklch(95% 0.006 70);
  margin: 0 0 0.85rem;
  line-height: 1.3;
}
.verdict p {
  font-family: 'Source Serif 4', Georgia, serif;
  font-optical-sizing: auto;
  margin: 0;
  color: oklch(82% 0.008 60);
  font-size: 1rem;
  line-height: 1.65;
}

/* Article body */
.article-body { max-width: var(--max); margin: 0 auto; padding: 2.5rem 1.25rem 3rem; }
.article-body p { margin: 0 0 1.25rem; }
.article-body p:first-of-type::first-line {
  font-variant: small-caps;
  letter-spacing: 0.04em;
}
.article-body h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-optical-sizing: auto;
  font-size: 1.5rem; font-weight: 700;
  letter-spacing: -0.015em;
  margin: 2.5rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  line-height: 1.3;
}
.article-body h3 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-optical-sizing: auto;
  font-size: 1.15rem; font-weight: 700;
  margin: 2rem 0 0.6rem;
  line-height: 1.35;
}
.article-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.article-body a:hover { color: var(--accent-hover); }
.article-body strong { font-weight: 700; color: var(--fg); }
.article-body ul { padding-left: 1.4rem; margin: 0 0 1.5rem; }
.article-body li { margin-bottom: 0.4rem; }

/* Disclosure inline */
.article-disclosure {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--r);
  padding: 1rem 1.25rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem; line-height: 1.6;
  color: var(--muted);
  margin: 0 0 2rem;
}
.article-disclosure strong { color: var(--fg); font-weight: 600; }
.article-disclosure a { color: var(--accent); text-decoration: underline; }

/* CTA block */
.cta-block {
  background: var(--nav-bg);
  border-radius: var(--r);
  padding: 1.5rem 1.5rem;
  margin: 1.75rem 0 2rem;
  text-align: center;
}
.cta-block .cta-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.6rem;
}
.cta-block .cta-product {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 700; font-size: 1.15rem;
  color: oklch(95% 0.006 70);
  margin: 0 0 1rem;
  line-height: 1.35;
}
.article-body .cta-button,
.cta-button {
  display: inline-block;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.95rem; font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--accent);
  color: oklch(15% 0.008 45);
  padding: 0.85rem 1.75rem;
  text-decoration: none;
  border-radius: var(--r);
  transition: background 0.15s, transform 0.1s;
}
.article-body .cta-button:hover,
.cta-button:hover {
  background: var(--accent-hover);
  color: oklch(12% 0.008 45);
  text-decoration: none;
  transform: translateY(-1px);
}
.cta-block .cta-note {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.78rem; color: oklch(60% 0.01 55);
  margin: 0.8rem 0 0;
}

/* Specs card */
.specs-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2rem;
  font-family: 'Inter', system-ui, sans-serif;
}
.specs-card .specs-title {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.85rem;
}
.specs-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.45rem 1.25rem;
  font-size: 0.92rem;
}
.specs-card dt { font-weight: 600; color: var(--fg); }
.specs-card dd { margin: 0; color: var(--muted); }

/* Closing note */
.closing-note {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.86rem; color: var(--muted);
  margin-top: 1.5rem;
}

/* Footer */
.site-footer { background: var(--nav-bg); margin-top: 2rem; padding: 2.25rem 1.25rem; }
.site-footer-inner { max-width: var(--max); margin: 0 auto; }
.footer-row {
  display: flex; flex-wrap: wrap;
  gap: 1.25rem 2.5rem;
  justify-content: space-between; align-items: flex-start;
  margin-bottom: 1.5rem; padding-bottom: 1.5rem;
  border-bottom: 1px solid oklch(30% 0.008 45);
}
.footer-brand {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 700; font-size: 1.05rem;
  color: var(--accent); letter-spacing: -0.02em;
}
.footer-brand span {
  display: block;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.8rem; font-weight: 400;
  color: oklch(55% 0.01 55); letter-spacing: 0; margin-top: 0.2rem;
}
.footer-brand a {
  color: oklch(65% 0.01 55); text-decoration: underline;
  text-underline-offset: 2px; font-size: 0.8rem;
  font-family: 'Inter', system-ui, sans-serif; font-weight: 400;
}
.footer-nav { display: flex; flex-direction: column; gap: 0.35rem; align-items: flex-end; }
.footer-nav a {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.82rem; color: oklch(65% 0.01 55);
  text-decoration: none; transition: color 0.15s;
}
.footer-nav a:hover { color: var(--accent); }
.footer-fine {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.76rem; color: oklch(42% 0.008 50); line-height: 1.7;
}
.footer-fine a { color: oklch(48% 0.01 55); text-decoration: underline; }

@media (max-width: 600px) {
  .site-header-inner { padding: 0 1rem; }
  .site-nav a { padding: 0 0.55rem; font-size: 0.78rem; }
  .article-head { padding: 2rem 1rem 2.25rem; }
  .article-body { padding: 2rem 1rem 2.5rem; }
  .specs-card dl { grid-template-columns: 1fr; gap: 0.15rem; }
  .specs-card dt { margin-top: 0.5rem; }
  .footer-nav { align-items: flex-start; }
  .footer-row { flex-direction: column; gap: 1.25rem; }
}