/* ── Emaissary blog — shared styles (mirrors landing design tokens) ── */
:root {
  --brand: #7C3AED;
  --brand-light: #8B5CF6;
  --brand-dark: #6D28D9;
  --brand-muted: #F5F3FF;
  --brand-border: rgba(124, 58, 237, 0.20);

  --bg: #FAFAF9;
  --bg-card: #FFFFFF;
  --surface: #F5F5F4;
  --border: #E7E5E4;
  --border-light: #D6D3D1;

  --text: #1C1917;
  --text-muted: #57534E;
  --text-dim: #6F6862;

  --success: #15803D;
  --success-muted: #DCFCE7;

  --font-sans: 'Manrope', system-ui, -apple-system, sans-serif;
  --font-mono: 'Source Code Pro', 'Menlo', monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 4px 12px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 12px 40px rgba(28, 25, 23, 0.12);

  --container: 1200px;
  --prose: 720px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { max-width: var(--container); margin: 0 auto; padding: 0 32px; }

/* ── Skip link ────────────────────────────────────────────── */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--brand); color: #fff; padding: 10px 18px;
  border-radius: var(--radius-sm); font-weight: 600; font-size: 0.875rem; text-decoration: none;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ── Wordmark ─────────────────────────────────────────────── */
.wordmark { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.01em; text-decoration: none; white-space: nowrap; }
.wordmark .accent { color: var(--brand); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 600; font-size: 0.9375rem;
  padding: 12px 22px; border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: transform 0.15s cubic-bezier(0.16,1,0.3,1), box-shadow 0.15s ease, background-color 0.15s ease, opacity .15s ease;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 4px 20px rgba(124, 58, 237, 0.20); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn-secondary { background: var(--bg-card); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--brand); color: var(--brand-dark); }
.btn-sm { padding: 7px 14px; font-size: 0.8125rem; }

/* ── Nav ──────────────────────────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 249, 0.82);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.nav-links {
  display: flex; align-items: center; gap: 32px; list-style: none; margin: 0; padding: 0;
  font-size: 0.9375rem; font-weight: 500; color: var(--text-muted);
}
.nav-links a { text-decoration: none; transition: color .15s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 28px; }

/* ── Breadcrumb ───────────────────────────────────────────── */
.breadcrumb { font-size: 0.8125rem; color: var(--text-dim); padding: 28px 0 0; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--brand-dark); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: var(--border-light); }

/* ── Blog listing ─────────────────────────────────────────── */
.blog-hero { padding: 56px 0 8px; }
.blog-hero h1 { font-size: clamp(2rem, 4vw, 2.75rem); line-height: 1.1; letter-spacing: -0.03em; font-weight: 800; margin: 0 0 14px; }
.blog-hero p { font-size: 1.125rem; color: var(--text-muted); max-width: 620px; margin: 0; }
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 48px 0 96px; }
.post-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 28px; display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: transform .2s cubic-bezier(0.16,1,0.3,1), box-shadow .2s ease, border-color .2s ease;
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--brand-border); }
.post-card .tag {
  align-self: flex-start; font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--brand-dark); background: var(--brand-muted); border: 1px solid var(--brand-border);
  padding: 4px 10px; border-radius: var(--radius-full); margin-bottom: 14px;
}
.post-card h2 { font-size: 1.3125rem; line-height: 1.25; letter-spacing: -0.01em; margin: 0 0 10px; }
.post-card p { font-size: 0.9375rem; color: var(--text-muted); margin: 0 0 18px; }
.post-card .meta { margin-top: auto; font-size: 0.8125rem; color: var(--text-dim); }
.post-card .read-more { color: var(--brand-dark); font-weight: 600; font-size: 0.9375rem; margin-top: 12px; }

/* ── Article ──────────────────────────────────────────────── */
.article { padding: 8px 0 40px; }
.article-head { max-width: var(--prose); margin: 0 auto 8px; padding-top: 20px; }
.article-head .tag {
  display: inline-block; font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--brand-dark); background: var(--brand-muted); border: 1px solid var(--brand-border);
  padding: 4px 10px; border-radius: var(--radius-full); margin-bottom: 18px;
}
.article-head h1 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); line-height: 1.12; letter-spacing: -0.03em; font-weight: 800; margin: 0 0 16px; }
.article-head .post-meta { font-size: 0.875rem; color: var(--text-dim); display: flex; flex-wrap: wrap; gap: 6px 14px; }
.article-head .post-meta .dot::before { content: "·"; margin-right: 14px; color: var(--border-light); }

.prose { max-width: var(--prose); margin: 0 auto; font-size: 1.0625rem; color: var(--text); }
.prose > p { margin: 0 0 20px; color: var(--text-muted); }
.prose h2 { font-size: 1.5rem; letter-spacing: -0.02em; font-weight: 700; margin: 40px 0 14px; }
.prose h3 { font-size: 1.1875rem; letter-spacing: -0.01em; font-weight: 700; margin: 28px 0 10px; }
.prose ul, .prose ol { margin: 0 0 20px; padding-left: 22px; color: var(--text-muted); }
.prose li { margin: 6px 0; }
.prose a { color: var(--brand-dark); text-decoration: underline; text-underline-offset: 2px; }
.prose strong { color: var(--text); font-weight: 700; }
.prose blockquote {
  margin: 24px 0; padding: 4px 20px; border-left: 3px solid var(--brand);
  color: var(--text); font-style: italic;
}
.prose .lead { font-size: 1.1875rem; color: var(--text); margin-bottom: 26px; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

.callout {
  background: var(--brand-muted); border: 1px solid var(--brand-border);
  border-radius: var(--radius); padding: 20px 24px; margin: 28px 0;
}
.callout p { margin: 0; color: var(--text); font-size: 1rem; }

/* ── CTA band ─────────────────────────────────────────────── */
.cta-band { padding: 72px 0; background: radial-gradient(circle at 50% 0%, var(--brand-muted) 0%, var(--bg) 62%); border-top: 1px solid var(--border); }
.cta-inner { max-width: 620px; margin: 0 auto; text-align: center; }
.cta-inner h2 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -0.02em; margin: 0 0 12px; }
.cta-inner p { color: var(--text-muted); font-size: 1.0625rem; margin: 0 0 26px; }

/* ── Footer ───────────────────────────────────────────────── */
footer { padding: 40px 0; border-top: 1px solid var(--border); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 0.875rem; color: var(--text-muted); }
.footer-cols { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-cols h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); margin: 0 0 8px; }
.footer-cols ul { list-style: none; margin: 0; padding: 0; }
.footer-cols li { margin: 4px 0; }
.footer-cols a { color: var(--text-muted); text-decoration: none; }
.footer-cols a:hover { color: var(--text); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .wrap { padding: 0 20px; }
  .nav-links { display: none; }
  .post-grid { grid-template-columns: 1fr; gap: 18px; padding: 32px 0 64px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}