/* SEOPR1 — shared article styles for AEO/content pages */

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

:root {
  --ink: #0e0e10;
  --char: #36454f;
  --slate: #708090;
  --mute: #9aa3a8;
  --rule: rgba(112, 128, 144, 0.18);
  --bone: #f5f2ec;
  --paper: #ffffff;
  --copper: #b86f4a;
  --font-body:    'Inter Tight', system-ui, -apple-system, sans-serif;
  --font-display: 'Bricolage Grotesque', 'Inter Tight', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  /* legacy alias */
  --font-sans: var(--font-body);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; }

/* Nav — shared with home */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 6vw;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule);
}
.site-nav .brand {
  font-family: var(--font-mono);
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.16em; color: var(--char); text-decoration: none;
}
.site-nav ul {
  display: flex; gap: 1.75rem; list-style: none;
}
.site-nav a {
  font-family: var(--font-mono);
  color: var(--slate); text-decoration: none;
  font-size: 0.74rem; font-weight: 500; letter-spacing: 0.04em;
  transition: color 0.2s;
}
.site-nav a:hover { color: var(--char); }

@media (max-width: 720px) {
  .site-nav ul { display: none; }
}

/* Article layout */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 5rem 6vw 3rem;
}
.article-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}
.kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--slate); margin-bottom: 1.25rem;
}
.article h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 96;
  color: var(--char);
  margin-bottom: 1.25rem;
}
.standfirst {
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.55;
  color: #2c3640;
  margin-bottom: 1.5rem;
}
.standfirst strong {
  color: var(--char);
  font-weight: 600;
}
.article-meta {
  font-family: var(--font-mono);
  display: flex; gap: 1.25rem; flex-wrap: wrap;
  font-size: 0.7rem; color: var(--mute);
  letter-spacing: 0.06em; text-transform: uppercase;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.18;
  color: var(--char);
  margin: 2.75rem 0 1rem;
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 32;
}
.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--char);
  margin: 1.75rem 0 0.5rem;
  letter-spacing: -0.005em;
  font-variation-settings: "opsz" 18;
}
.article-body p {
  font-size: 1rem;
  color: #2c3640;
  margin-bottom: 1.1rem;
}
.article-body ul, .article-body ol {
  margin: 0 0 1.25rem 1.25rem;
}
.article-body li {
  font-size: 1rem;
  color: #2c3640;
  margin-bottom: 0.5rem;
}
.article-body strong {
  color: var(--char);
  font-weight: 600;
}
.article-body a {
  color: var(--char);
  text-decoration: underline;
  text-decoration-color: var(--mute);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}
.article-body a:hover {
  text-decoration-color: var(--copper);
}

/* Tables */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}
.article-body th, .article-body td {
  padding: 0.75rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.article-body th {
  font-weight: 600;
  color: var(--char);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Q&A blocks */
.qa {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0;
}
.qa h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}
.qa p { margin-bottom: 0; }

/* Inline CTA card */
.cta-card {
  margin: 3.5rem 0 0;
  padding: 2.25rem 2rem;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: linear-gradient(180deg, #ffffff 0%, #fafaf7 100%);
}
.cta-card h2 {
  font-family: var(--font-display);
  margin-top: 0 !important;
  font-size: 1.4rem !important;
  font-variation-settings: "opsz" 22;
}
.cta-card p {
  color: var(--slate);
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-block; padding: 0.85rem 1.9rem;
  border-radius: 999px; font-size: 0.85rem; font-weight: 600;
  text-decoration: none !important; cursor: pointer;
  transition: transform 0.25s, box-shadow 0.25s;
  letter-spacing: 0.02em;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--char); color: #ffffff !important; border: none;
  box-shadow: 0 4px 18px rgba(54, 69, 79, 0.18);
}
.btn-primary:hover { box-shadow: 0 8px 26px rgba(54, 69, 79, 0.28); }

/* Breadcrumbs */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--mute);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.breadcrumbs a {
  color: var(--slate);
  text-decoration: none;
}
.breadcrumbs a:hover { color: var(--char); }

/* Footer — shared with home */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 3rem 6vw 2.5rem;
  margin-top: 3rem;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 1.5rem 3rem;
  align-items: baseline; justify-content: space-between;
}
.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.16em; color: var(--char);
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.75rem; }
.footer-nav a {
  font-family: var(--font-mono);
  color: var(--slate); text-decoration: none;
  font-size: 0.74rem; font-weight: 500;
  letter-spacing: 0.04em; transition: color 0.2s;
}
.footer-nav a:hover { color: var(--char); }
.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.66rem; color: var(--mute);
  letter-spacing: 0.06em; flex-basis: 100%;
  margin-top: 0.5rem;
}