/* ============ Heartwood Oak — Blog stylesheet ============
   Shared by blog/index.html and every blog/<slug>.html so the body styles
   stay in one place. */

:root {
  --amber: #C17840;
  --amber-deep: #A8612E;
  --oak: #7A5535;
  --bg: #FAF7F2;
  --bg-warmer: #F2EBDF;
  --bg-deep: #1F1A14;
  --ink: #1F1A14;
  --ink-soft: #4A4136;
  --ink-mute: #847868;
  --line: rgba(31, 26, 20, 0.12);
  --serif: "Instrument Serif", "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Manrope", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --pad: clamp(20px, 4vw, 64px);
}
* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.12  0 0 0 0 0.10  0 0 0 0 0.08  0 0 0 0.12 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--pad);
  position: relative;
  z-index: 2;
}

/* Top bar */
.topbar {
  padding: 22px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(250, 247, 242, 0.86);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { text-decoration: none; color: inherit; display: inline-block; }
.brand-name {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  line-height: 1;
}
.brand-sub {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-top: 4px;
}
.back {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  opacity: 0.78;
  transition: opacity 0.3s ease;
}
.back:hover { opacity: 1; }

/* Hero */
.hero {
  padding: clamp(72px, 11vw, 128px) 0 clamp(40px, 6vw, 72px);
  background: var(--bg-warmer);
  position: relative;
  z-index: 2;
}
.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--oak);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--oak);
}
h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 28px 0 24px;
  text-wrap: balance;
}
h1 em { color: var(--amber); font-style: italic; }
.meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.meta .dot { opacity: 0.5; margin: 0 6px; }

/* Index page lede + post card list */
.hero .lede {
  font-family: var(--sans);
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 600px;
  margin: 24px 0 0;
}
.index-body {
  padding: clamp(48px, 8vw, 96px) 0 clamp(72px, 10vw, 128px);
  position: relative;
  z-index: 2;
}
.index-body .wrap { max-width: 880px; }
.blog-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.blog-card {
  display: block;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 44px 40px 40px;
  border-radius: 4px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: 0 30px 60px -30px rgba(193, 120, 64, 0.25);
}
.blog-card-meta {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.blog-card-meta .dot { opacity: 0.5; }
.blog-card-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 18px;
}
.blog-card-excerpt {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 28px;
  max-width: 560px;
}
.blog-card-arrow {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--amber);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.blog-card-arrow .arr {
  display: inline-block;
  transition: transform 0.4s cubic-bezier(.2,.7,.2,1);
}
.blog-card:hover .blog-card-arrow .arr { transform: translate(3px, -3px); }
@media (max-width: 600px) {
  .blog-card { padding: 32px 24px 28px; }
  .blog-card-meta { flex-wrap: wrap; }
}

/* Article body */
article.body {
  padding: clamp(48px, 8vw, 96px) 0 clamp(72px, 10vw, 128px);
  position: relative;
  z-index: 2;
}
article p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  margin: 0 0 22px;
  text-wrap: pretty;
}
article p.lead {
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin-bottom: 40px;
}
article h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 56px 0 20px;
}
article h2:first-child { margin-top: 0; }
article blockquote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--amber);
  padding: 8px 0 8px 28px;
  border-left: 2px solid var(--amber);
  margin: 36px 0;
}
article a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
article a:hover { color: var(--oak); }
article ul, article ol {
  padding-left: 24px;
  margin: 0 0 24px;
}
article li {
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 8px;
}

.back-block {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.back-block a {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--amber);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.back-block a:hover { color: var(--oak); }
.back-block .signoff {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* Footer */
.foot {
  background: var(--bg-deep);
  color: var(--bg);
  padding: 56px 0 32px;
  position: relative;
  z-index: 2;
}
.foot .wrap { max-width: 1440px; }
.foot-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.foot-mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(250, 247, 242, 0.45);
}
.foot a {
  color: var(--bg);
  text-decoration: none;
  opacity: 0.85;
  font-size: 14px;
}
.foot a:hover { opacity: 1; color: var(--amber); }