:root {
  --bg: #FAF8F5;
  --bg-2: #F2EEE8;
  --bg-3: #EBE4D5;
  --cream-panel: #E8DFCC;
  --fg: #0F1714;
  --fg-muted: #5A5F5C;
  --accent: #1E3A8A;
  --line: #E2DCCD;
  --line-strong: #C7BFAF;
  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-size: 18px; line-height: 1.65;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 100;
  opacity: 0.045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #FAF8F5; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 40px; }

.masthead {
  background: var(--bg-3);
  border-bottom: 1px solid var(--line-strong);
  padding: 18px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.masthead .wrap { max-width: 1200px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.masthead .back { font-family: var(--serif); font-size: 20px; letter-spacing: -0.01em; text-transform: none; }
.masthead .back em { font-style: italic; color: var(--accent); }
.masthead .meta { display: flex; gap: 32px; color: var(--fg-muted); flex-wrap: wrap; justify-content: flex-end; }

.article { padding: 80px 0 120px; }

.article .kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--fg-muted);
  display: flex; align-items: center; gap: 12px; margin-bottom: 36px;
}
.article .kicker .bar { width: 36px; height: 1px; background: var(--fg-muted); }

.article h1 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(56px, 8vw, 104px);
  line-height: 0.94; letter-spacing: -0.028em;
  margin-bottom: 36px;
}
.article h1 em { font-style: italic; color: var(--accent); }

.article .deck {
  font-family: var(--serif); font-weight: 400;
  font-size: 28px; line-height: 1.28; letter-spacing: -0.012em;
  color: var(--fg); max-width: 720px;
  padding-bottom: 36px; border-bottom: 1px solid var(--line-strong);
  margin-bottom: 48px;
}

.at-a-glance {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line-strong);
  border: 1px solid var(--line-strong); margin-bottom: 64px;
}
.at-a-glance > div {
  background: var(--bg); padding: 22px 20px;
  display: flex; flex-direction: column; gap: 6px;
}
.at-a-glance .l { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-muted); }
.at-a-glance .v { font-family: var(--serif); font-size: 22px; letter-spacing: -0.01em; line-height: 1.15; }

.article h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: 40px; line-height: 1.05; letter-spacing: -0.02em;
  margin: 56px 0 20px;
  color: var(--fg);
}
.article h2 em { font-style: italic; color: var(--accent); }

.article p {
  font-size: 18.5px; line-height: 1.68;
  margin-bottom: 20px; color: var(--fg);
  max-width: 700px;
}
.article p b { font-weight: 500; }

.article p + p { margin-top: 0; }

.article .rules {
  list-style: none; margin: 28px 0 40px;
  border-top: 1px solid var(--line-strong);
}
.article .rules li {
  display: grid; grid-template-columns: 64px 1fr;
  gap: 24px; padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.article .rules li .n {
  font-family: var(--serif); font-style: italic;
  font-size: 28px; color: var(--accent);
  letter-spacing: -0.01em;
}
.article .rules li div { font-size: 17px; line-height: 1.6; }
.article .rules li b { font-weight: 500; color: var(--fg); }

.article .phases {
  list-style: none; margin: 28px 0 40px;
  counter-reset: phase;
}
.article .phases li {
  padding: 20px 0 20px 72px; position: relative;
  border-top: 1px solid var(--line-strong);
  font-size: 17px; line-height: 1.6;
  counter-increment: phase;
}
.article .phases li:last-child { border-bottom: 1px solid var(--line-strong); }
.article .phases li::before {
  content: counter(phase, decimal-leading-zero);
  position: absolute; left: 0; top: 22px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.14em; color: var(--accent);
}
.article .phases li b { font-weight: 500; font-family: var(--serif); font-size: 22px; display: block; margin-bottom: 4px; color: var(--fg); }

.cta-block {
  margin-top: 80px; padding: 56px 48px;
  background: var(--cream-panel);
  border: 1px solid var(--line-strong);
  display: flex; flex-direction: column; gap: 18px; align-items: flex-start;
}
.cta-block h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: 44px; line-height: 1; letter-spacing: -0.02em;
}
.cta-block p { color: var(--fg-muted); font-size: 16px; }
.cta-block .btn {
  padding: 14px 22px; background: var(--accent); color: #FAF8F5;
  font-size: 15px; font-weight: 500;
  font-family: var(--sans);
  border-radius: 2px;
  transition: background 180ms ease;
}
.cta-block .btn:hover { background: #172E6B; }

.foot {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 28px 0;
}
.foot .wrap {
  max-width: 1200px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-muted);
}
.foot a:hover { color: var(--accent); }

/* Pullquote block for some articles */
.pullquote {
  margin: 48px 0; padding: 40px 36px;
  background: var(--bg-2); border-left: 3px solid var(--accent);
  font-family: var(--serif); font-style: italic;
  font-size: 26px; line-height: 1.3; letter-spacing: -0.012em;
  color: var(--fg); max-width: 720px;
}

/* Side-by-side comparison */
.compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--line-strong);
  border: 1px solid var(--line-strong);
  margin: 40px 0;
}
.compare > div { background: var(--bg); padding: 28px 24px; }
.compare > div h4 {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-muted); margin-bottom: 16px;
}
.compare > div:first-child h4 { color: #B45309; }
.compare > div:last-child h4 { color: var(--accent); }
.compare > div ul { list-style: none; }
.compare > div li { padding: 12px 0; border-top: 1px solid var(--line); font-size: 16px; line-height: 1.5; }
.compare > div li:first-child { border-top: none; }

/* FAQ section */
.faq { margin: 28px 0 40px; }
.faq-item { padding: 24px 0; border-top: 1px solid var(--line-strong); }
.faq-item:last-child { border-bottom: 1px solid var(--line-strong); }
.faq-item h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: 24px; line-height: 1.15; letter-spacing: -0.015em;
  color: var(--fg); margin-bottom: 10px;
}
.faq-item p { font-size: 17px; line-height: 1.62; color: var(--fg-muted); max-width: 700px; }

/* Dark mode */
[data-theme="dark"] {
  --bg: #14110D; --bg-2: #1B1813; --bg-3: #23201A; --cream-panel: #2A241B;
  --fg: #EDE5D2; --fg-muted: #8B8576;
  --accent: #E8A674;
  --line: #2C2820; --line-strong: #3E3829;
}
[data-theme="dark"] body::before { mix-blend-mode: screen; opacity: 0.05; }
[data-theme="dark"] .cta-block .btn { color: #14110D; }
[data-theme="dark"] .cta-block .btn:hover { background: #F4B888; }
[data-theme="dark"] .pullquote { border-left-color: var(--accent); }

/* Reading progress bar */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 2px;
  background: var(--accent); z-index: 200;
  width: 0%; transition: width 0.1s linear;
}

/* Inline code */
.article code {
  font-family: var(--mono); font-size: 14px;
  background: var(--bg-2); padding: 2px 6px;
  border-radius: 2px; color: var(--accent);
}

/* Article nav (prev/next) */
.article-nav {
  margin-top: 80px; padding-top: 32px;
  border-top: 1px solid var(--line-strong);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-muted);
}
.article-nav a { color: var(--accent); }
.article-nav a:hover { text-decoration: underline; }

@media (max-width: 820px) {
  .wrap { padding: 0 24px; }
  .masthead .meta { display: none; }
  .at-a-glance { grid-template-columns: 1fr 1fr; }
  .compare { grid-template-columns: 1fr; }
  .article h1 { font-size: 52px; }
  .article .deck { font-size: 22px; }
  .article h2 { font-size: 30px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 18px; }
  .masthead .wrap { padding: 0 18px; }
  .masthead .back { font-size: 17px; }
  .article { padding: 48px 0 80px; }
  .article h1 { font-size: clamp(36px, 10vw, 48px); margin-bottom: 24px; }
  .article .deck { font-size: 19px; padding-bottom: 28px; margin-bottom: 32px; }
  .article h2 { font-size: 24px; margin: 40px 0 16px; }
  .article p { font-size: 17px; }
  .article .rules li { grid-template-columns: 48px 1fr; gap: 14px; padding: 18px 0; }
  .article .rules li .n { font-size: 22px; }
  .cta-block { padding: 32px 24px; }
  .cta-block h3 { font-size: 30px; }
  .at-a-glance { grid-template-columns: 1fr; }
  .faq-item h3 { font-size: 19px; }
  .pullquote { font-size: 20px; padding: 28px 24px; margin: 32px 0; }
  .foot .wrap { flex-direction: column; gap: 6px; text-align: center; }
}