:root {
  --bg: #f5f2ec;
  --card: #fffefb;
  --fg: #201d18;
  --muted: #6e675c;
  --faint: #948c7e;
  --line: rgba(32, 29, 24, .12);
  --line-soft: rgba(32, 29, 24, .07);
  --accent: #8a5a24;
  --accent-bright: #bb7a35;
  --accent-soft: rgba(138, 90, 36, .09);
  --accent-fg: #fbf7f0;
  --shadow: 0 1px 2px rgba(46, 36, 20, .05), 0 22px 56px -34px rgba(46, 36, 20, .28);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14120f;
    --card: #1d1a16;
    --fg: #ece7de;
    --muted: #a29a8b;
    --faint: #7d7568;
    --line: rgba(236, 231, 222, .14);
    --line-soft: rgba(236, 231, 222, .07);
    --accent: #d8a860;
    --accent-bright: #efc17a;
    --accent-soft: rgba(216, 168, 96, .09);
    --accent-fg: #1b130a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 24px 60px -34px rgba(0, 0, 0, .8);
  }
}

* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(42rem 26rem at 50% -10rem, var(--accent-soft), transparent 78%),
    var(--bg);
  color: var(--fg);
  font: 16px/1.72 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--accent-fg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
}
.nav {
  width: min(70rem, calc(100% - 3rem));
  min-height: 3.8rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.wordmark { display: inline-flex; align-items: center; gap: .55rem; font-size: .95rem; font-weight: 650; text-decoration: none; }
.wordmark svg { flex: none; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { color: var(--muted); font-size: .84rem; font-weight: 550; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--fg); }
.nav-links .nav-cta {
  padding: .44rem .88rem;
  border-radius: .55rem;
  color: var(--accent-fg);
  background: var(--fg);
}
.nav-links .nav-cta:hover { color: var(--accent-fg); background: var(--accent); }

.blog-hero, .article-head, .article-shell, .site-footer, .cta-band {
  width: min(70rem, calc(100% - 3rem));
  margin-inline: auto;
}
.blog-hero { padding: 7.2rem 0 4.2rem; }
.eyebrow {
  color: var(--accent);
  font-size: .73rem;
  font-weight: 750;
  letter-spacing: .12em;
  line-height: 1;
  text-transform: uppercase;
}
h1 { max-width: 17ch; margin-top: .9rem; font-size: clamp(2.45rem, 6vw, 4.7rem); line-height: 1.03; letter-spacing: -.045em; font-weight: 620; text-wrap: balance; }
.blog-hero .dek, .article-head .dek { max-width: 43rem; margin-top: 1.25rem; color: var(--muted); font-size: clamp(1.03rem, 2vw, 1.2rem); text-wrap: balance; }

.post-grid { width: min(70rem, calc(100% - 3rem)); margin: 0 auto 6rem; display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.post-card {
  grid-column: span 6;
  min-height: 18rem;
  padding: 1.55rem;
  border: 1px solid var(--line);
  border-radius: .95rem;
  background: color-mix(in srgb, var(--card) 82%, transparent);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.post-card:first-child { grid-column: span 12; min-height: 21rem; background: radial-gradient(36rem 20rem at 12% 10%, var(--accent-soft), transparent 76%), var(--card); }
.post-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 36%, var(--line)); background-color: var(--card); }
.card-meta, .article-meta { display: flex; align-items: center; gap: .65rem; flex-wrap: wrap; color: var(--faint); font-size: .76rem; font-weight: 550; letter-spacing: .035em; text-transform: uppercase; }
.card-meta .tag { color: var(--accent); }
.post-card h2 { max-width: 24ch; margin-top: auto; font-size: clamp(1.3rem, 2.4vw, 2rem); line-height: 1.16; letter-spacing: -.025em; font-weight: 620; text-wrap: balance; }
.post-card:first-child h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
.post-card p { max-width: 52ch; margin-top: .7rem; color: var(--muted); font-size: .93rem; }
.card-link { margin-top: 1rem; color: var(--accent); font-size: .85rem; font-weight: 650; }

.article-head { max-width: 54rem; padding: 6.5rem 0 3rem; }
.article-head h1 { max-width: 18ch; font-size: clamp(2.25rem, 5.5vw, 4.15rem); }
.article-meta { margin-top: 1.25rem; }
.article-shell { max-width: 54rem; display: grid; grid-template-columns: minmax(0, 1fr) 13rem; gap: 4rem; align-items: start; padding-bottom: 5rem; }
.article-body { min-width: 0; }
.article-body > * + * { margin-top: 1.25rem; }
.article-body h2 { scroll-margin-top: 5rem; margin-top: 2.7rem; font-size: clamp(1.42rem, 3vw, 1.9rem); line-height: 1.22; letter-spacing: -.025em; font-weight: 620; text-wrap: balance; }
.article-body h3 { scroll-margin-top: 5rem; margin-top: 2rem; font-size: 1.08rem; line-height: 1.35; letter-spacing: -.012em; }
.article-body p, .article-body li { color: color-mix(in srgb, var(--fg) 87%, var(--muted)); }
.article-body strong { color: var(--fg); font-weight: 650; }
.article-body a { text-decoration-color: color-mix(in srgb, var(--accent) 58%, transparent); text-underline-offset: 3px; }
.article-body a:hover { color: var(--accent); }
.article-body ul, .article-body ol { padding-left: 1.25rem; display: grid; gap: .65rem; }
.article-body blockquote, .callout {
  padding: 1.15rem 1.2rem;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line));
  border-left: 3px solid var(--accent);
  border-radius: 0 .75rem .75rem 0;
  background: var(--accent-soft);
}
.article-body blockquote p, .callout p { color: var(--fg); }
.article-body table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.article-body th, .article-body td { padding: .75rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.article-body th { background: var(--accent-soft); font-weight: 650; }
.article-body hr { margin-block: 2.5rem; border: 0; border-top: 1px solid var(--line); }
.article-body .takeaway { margin-top: 2.4rem; padding: 1.35rem; border-radius: .8rem; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.article-body .takeaway h2 { margin-top: 0; font-size: 1.35rem; }

.toc { position: sticky; top: 5.5rem; padding-left: 1rem; border-left: 1px solid var(--line); }
.toc p { color: var(--faint); font-size: .7rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.toc ol { list-style: none; padding: 0; margin-top: .8rem; display: grid; gap: .65rem; }
.toc a { color: var(--muted); font-size: .78rem; line-height: 1.35; text-decoration: none; }
.toc a:hover { color: var(--accent); }

.cta-band { margin-bottom: 5rem; padding: 2rem; border-radius: 1rem; background: radial-gradient(28rem 16rem at 12% 0, var(--accent-soft), transparent 75%), var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.cta-band h2 { font-size: clamp(1.35rem, 3vw, 1.8rem); line-height: 1.2; letter-spacing: -.02em; }
.cta-band p { margin-top: .45rem; color: var(--muted); font-size: .9rem; }
.button { flex: none; display: inline-flex; padding: .65rem 1rem; border-radius: .6rem; background: var(--fg); color: var(--accent-fg); font-size: .88rem; font-weight: 650; text-decoration: none; }
.button:hover { background: var(--accent); }

.site-footer { padding: 1.6rem 0; border-top: 1px solid var(--line-soft); color: var(--faint); font-size: .78rem; display: flex; gap: 1.2rem; flex-wrap: wrap; align-items: center; }
.site-footer .spacer { flex: 1; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--fg); }

@media (max-width: 760px) {
  .nav, .blog-hero, .article-head, .article-shell, .site-footer, .cta-band, .post-grid { width: min(100% - 2.2rem, 70rem); }
  .nav-links a:not(.nav-cta) { display: none; }
  .blog-hero { padding-top: 5.8rem; }
  .post-card, .post-card:first-child { grid-column: span 12; min-height: 17rem; }
  .article-shell { grid-template-columns: 1fr; gap: 2rem; }
  .toc { display: none; }
  .cta-band { align-items: flex-start; flex-direction: column; }
  .article-body table { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .post-card { transition: none; }
}