:root {
  --rb-ink: #070a0e;
  --rb-navy: #0b1828;
  --rb-navy-light: #11263f;
  --rb-ivory: #fff7ea;
  --rb-ivory-deep: #eee1cd;
  --rb-gold: #e0b45f;
  --rb-gold-deep: #916a2f;
  --rb-graphite: #20242b;
  --rb-muted: #71685f;
  --rb-line: rgba(32, 36, 43, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; overflow-x: hidden; background: var(--rb-ink); color: var(--rb-ivory); font-family: Inter, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--rb-gold); color: var(--rb-ink); }
.shell { width: min(1320px, calc(100% - 48px)); margin-inline: auto; }
.mono { font-family: "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .16em; }
.skip { position: fixed; top: -80px; left: 20px; z-index: 100; padding: 12px 16px; background: var(--rb-gold); color: var(--rb-ink); font-weight: 700; text-decoration: none; }
.skip:focus { top: 16px; }

.glass {
  position: relative;
  overflow: hidden;
  contain: paint;
  border: 1px solid rgba(255, 247, 234, .2);
  background: linear-gradient(135deg, rgba(255, 247, 234, .14), rgba(255, 255, 255, .025) 48%), rgba(7, 10, 14, .72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22), inset 0 -1px 0 rgba(255, 255, 255, .04), 0 24px 70px rgba(0, 0, 0, .3);
  -webkit-backdrop-filter: blur(18px) saturate(1.38) brightness(1.04);
  backdrop-filter: blur(18px) saturate(1.38) brightness(1.04);
}
.glass::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: .64; background: radial-gradient(circle at 16% 0%, rgba(255, 255, 255, .22), transparent 29%), linear-gradient(120deg, transparent, rgba(255, 255, 255, .07), transparent); }

.site-header { position: fixed; inset: 18px 0 auto; z-index: 30; }
.nav { min-height: 62px; padding: 10px 12px 10px 20px; border-radius: 999px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.nav > * { position: relative; z-index: 1; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand img { width: auto; height: 32px; }
.brand span { color: #c6bbab; font-size: 9px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: #d0c6b7; font-size: 11px; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--rb-gold); }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { list-style: none; cursor: pointer; padding: 10px 14px; border: 1px solid rgba(224, 180, 95, .35); border-radius: 999px; color: #eadfcd; font-size: 11px; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu div { position: absolute; top: 48px; right: 0; min-width: 190px; padding: 10px; border-radius: 18px; display: grid; gap: 4px; }
.mobile-menu a { padding: 10px 12px; border-radius: 9px; color: #eadfcd; font-size: 12px; text-decoration: none; }

.rule-hero { position: relative; min-height: 92svh; display: flex; align-items: flex-end; overflow: hidden; background: var(--rb-navy); }
.rule-hero::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(5, 8, 13, .98) 0%, rgba(5, 8, 13, .86) 42%, rgba(5, 8, 13, .2) 75%), linear-gradient(0deg, rgba(5, 8, 13, .96), transparent 62%); }
.rule-hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.rule-hero-inner { position: relative; z-index: 2; padding: 158px 0 72px; }
.rule-series-mark { width: fit-content; margin-bottom: 38px; padding: 10px 14px; border-radius: 999px; color: #e8dac3; font-size: 9px; }
.rule-series-mark span { position: relative; z-index: 1; }
.rule-kicker { margin: 0 0 18px; color: var(--rb-gold); font-size: 10px; }
.rule-hero h1 { max-width: 980px; margin: 0; font: 500 clamp(56px, 7.2vw, 106px)/.88 "Cormorant Garamond", serif; letter-spacing: -.045em; text-wrap: balance; }
.rule-hero h1 em { display: block; color: #dfbd88; font-weight: 400; }
.rule-dek { max-width: 850px; margin: 30px 0 28px; color: #dfd4c3; font: 500 clamp(19px, 2vw, 27px)/1.35 "Cormorant Garamond", serif; }
.rule-byline { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px; color: #aaa094; font-size: 11px; }
.rule-byline strong { color: #f0e5d3; font-weight: 500; }
.rule-byline span:not(:first-child) { position: relative; }
.rule-byline span:not(:first-child)::before { content: ""; position: absolute; top: 50%; left: -14px; width: 3px; height: 3px; border-radius: 50%; background: var(--rb-gold); }

.paper { padding: clamp(76px, 9vw, 126px) 0; background: var(--rb-ivory); color: var(--rb-graphite); }
.article-layout { display: grid; grid-template-columns: 200px minmax(0, 760px) minmax(190px, 1fr); gap: clamp(34px, 5vw, 72px); align-items: start; }
.series-rail, .decision-rail { position: sticky; top: 112px; }
.side-label { margin: 0 0 16px; color: var(--rb-gold-deep); font-size: 8px; }
.series-progress { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; padding: 18px; border: 1px solid rgba(145, 106, 47, .22); background: #f3e8d6; }
.series-dot { display: grid; place-items: center; aspect-ratio: 1; border: 1px solid rgba(32, 36, 43, .18); border-radius: 50%; color: #83796f; font: 500 8px "JetBrains Mono", monospace; text-decoration: none; }
.series-dot.is-past { border-color: rgba(145, 106, 47, .44); color: var(--rb-gold-deep); }
.series-dot[aria-current="step"] { border-color: var(--rb-gold-deep); background: var(--rb-navy); color: var(--rb-ivory); box-shadow: 0 0 0 4px rgba(224, 180, 95, .18); }
.series-rail p { margin: 18px 0 0; color: #615950; font: 500 19px/1.32 "Cormorant Garamond", serif; }
.series-rail .series-index-link { display: inline-block; margin-top: 18px; color: #6f512a; font-size: 11px; text-underline-offset: 4px; }

.prose { min-width: 0; }
.series-stamp { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 0 0 48px; padding: 18px 22px; border: 1px solid rgba(145, 106, 47, .29); background: #f0e4d1; }
.series-stamp strong { color: #765622; font: 500 9px "JetBrains Mono", monospace; letter-spacing: .15em; text-transform: uppercase; }
.series-stamp span { color: #74695d; font-size: 11px; }
.lead { margin: 0 0 38px; color: #302a25; font: 500 clamp(26px, 3vw, 35px)/1.31 "Cormorant Garamond", serif; }
.lead::first-letter { float: left; margin: .08em .09em 0 0; color: #9c7134; font: 500 5.1em/.73 "Cormorant Garamond", serif; }
.prose p { margin: 0 0 25px; color: #49423b; font-size: 17px; line-height: 1.83; }
.prose h2 { margin: 74px 0 27px; color: #1f1b20; font: 600 clamp(37px, 4.5vw, 52px)/1 "Cormorant Garamond", serif; letter-spacing: -.025em; text-wrap: balance; }
.prose h3 { margin: 40px 0 15px; color: #2b2522; font: 600 28px/1.15 "Cormorant Garamond", serif; }
.prose a { color: #755528; text-decoration-color: rgba(117, 85, 40, .36); text-underline-offset: 4px; }
.article-visual {
  position: relative;
  overflow: hidden;
  margin: 54px 0 62px;
  border: 1px solid rgba(145, 106, 47, .34);
  border-radius: 28px;
  background: var(--rb-navy);
  box-shadow: 0 30px 70px rgba(31, 23, 16, .18), inset 0 1px 0 rgba(255, 255, 255, .14);
}
.article-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22), inset 0 0 0 1px rgba(7, 10, 14, .2);
}
.article-visual img { width: 100%; height: auto; aspect-ratio: 8 / 5; object-fit: cover; background: var(--rb-ink); }
.article-visual--photo img { aspect-ratio: 3 / 2; }
.article-visual figcaption {
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, .72fr) minmax(0, 1.25fr);
  gap: 8px 28px;
  padding: 24px 27px 26px;
  border-top: 1px solid rgba(255, 247, 234, .14);
  background: linear-gradient(135deg, rgba(255, 247, 234, .075), transparent 42%), #0b1828;
  color: var(--rb-ivory);
}
.article-visual figcaption .mono { grid-column: 1; grid-row: 1 / span 2; align-self: start; color: var(--rb-gold); font-size: 8px; line-height: 1.65; }
.article-visual figcaption strong { grid-column: 2; color: #fff7ea; font: 500 22px/1.12 "Cormorant Garamond", serif; }
.prose .article-visual figcaption p { grid-column: 2; margin: 0; color: #bdb2a4; font-size: 12px; line-height: 1.58; }
.article-visual + .article-visual { margin-top: -34px; }
.field-scene {
  position: relative;
  overflow: hidden;
  contain: paint;
  margin: 12px 0 66px;
  padding: clamp(34px, 5vw, 54px);
  border: 1px solid rgba(224, 180, 95, .34);
  border-radius: 30px;
  background:
    radial-gradient(circle at 12% 0%, rgba(224, 180, 95, .13), transparent 31%),
    linear-gradient(145deg, rgba(255, 247, 234, .055), transparent 42%),
    #09121e;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .18),
    inset 0 -1px 0 rgba(255, 255, 255, .035),
    0 28px 72px rgba(31, 23, 16, .2);
}
.field-scene::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(118deg, transparent 7%, rgba(255, 255, 255, .06) 37%, transparent 58%);
  opacity: .68;
}
.field-scene > * { position: relative; z-index: 1; }
.field-scene-head { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255, 247, 234, .13); }
.field-scene-head .mono { color: #d9ad5a; font-size: 8px; line-height: 1.5; }
.prose .field-scene h2 { max-width: 610px; margin: 34px 0 30px; color: #fff7ea; font-size: clamp(38px, 5.2vw, 58px); line-height: .98; }
.prose .field-scene-copy p { margin-bottom: 20px; color: #d5cabc; font-size: 16px; line-height: 1.78; }
.prose .field-scene-copy p:first-child::first-letter { float: left; margin: .08em .09em 0 0; color: #e0b45f; font: 500 4.3em/.72 "Cormorant Garamond", serif; }
.prose .field-scene-bridge {
  display: grid;
  grid-template-columns: minmax(120px, .35fr) minmax(0, 1fr);
  gap: 20px;
  margin: 34px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid rgba(224, 180, 95, .32);
  color: #f3e7d4;
  font: 500 20px/1.45 "Cormorant Garamond", serif;
}
.field-scene-bridge .mono { padding-top: 5px; color: #d9ad5a; font-size: 7px; line-height: 1.6; }
.evidence-note { margin: 44px 0; padding: 26px 29px; border-left: 3px solid #aa8038; background: #eee2cf; }
.evidence-note .mono { display: block; margin-bottom: 11px; color: #876736; font-size: 8px; }
.evidence-note p { margin: 0; color: #4d453c; font-size: 15px; line-height: 1.68; }
.decision-list { display: grid; gap: 0; margin: 28px 0 48px; padding: 0; border-top: 1px solid var(--rb-line); }
.decision-list li { position: relative; list-style: none; padding: 17px 0 17px 29px; border-bottom: 1px solid var(--rb-line); color: #4c453e; font-size: 15px; line-height: 1.62; }
.decision-list li::before { content: ""; position: absolute; top: 26px; left: 2px; width: 8px; height: 8px; border: 1px solid var(--rb-gold-deep); transform: rotate(45deg); }
.pullquote { margin: 56px 0; padding: 36px 0; border-top: 1px solid rgba(145, 106, 47, .42); border-bottom: 1px solid rgba(145, 106, 47, .42); color: #2a2421; font: 500 clamp(30px, 4vw, 45px)/1.08 "Cormorant Garamond", serif; }
.decision-rail { padding-left: 24px; border-left: 1px solid rgba(145, 106, 47, .34); }
.decision-rail h2 { margin: 0 0 17px; color: var(--rb-gold-deep); font-size: 8px; }
.decision-rail strong { display: block; margin-bottom: 10px; color: #302a26; font-size: 12px; line-height: 1.45; }
.decision-rail p { margin: 0; color: #766c62; font-size: 12px; line-height: 1.6; }
.decision-rail .rail-rule { width: 28px; height: 1px; margin: 18px 0; background: rgba(145, 106, 47, .45); }

.series-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 84px 0 0; }
.series-nav a { min-height: 120px; padding: 21px 23px; border: 1px solid rgba(32, 36, 43, .14); background: rgba(255, 255, 255, .32); text-decoration: none; transition: transform .25s ease, border-color .25s ease, background .25s ease; }
.series-nav a:hover { transform: translateY(-2px); border-color: rgba(145, 106, 47, .45); background: rgba(255, 255, 255, .58); }
.series-nav a.next { text-align: right; }
.series-nav .mono { display: block; margin-bottom: 14px; color: var(--rb-gold-deep); font-size: 8px; }
.series-nav strong { color: #302a26; font: 600 22px/1.1 "Cormorant Garamond", serif; }

.references { margin-top: 88px; }
.references-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; padding-bottom: 22px; border-bottom: 1px solid rgba(32, 36, 43, .22); }
.references-kicker { display: block; margin-bottom: 10px; color: #87622d; font-size: 8px; }
.references h2 { margin: 0; font-size: clamp(38px, 4.4vw, 50px); }
.references-count { padding: 8px 11px; border: 1px solid rgba(145, 106, 47, .3); color: #795d32; font: 500 8px "JetBrains Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.references ol { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; counter-reset: refs; }
.references li { counter-increment: refs; display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 18px; padding: 20px 21px; border: 1px solid rgba(32, 36, 43, .12); background: rgba(255, 255, 255, .3); color: #5f574e; line-height: 1.5; }
.references li::before { content: counter(refs, decimal-leading-zero); display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(145, 106, 47, .34); border-radius: 50%; color: #87622d; font: 500 9px "JetBrains Mono", monospace; }
.reference-body { display: grid; gap: 7px; }
.reference-authors { color: #776b5d; font: 500 9px/1.4 "JetBrains Mono", monospace; letter-spacing: .08em; text-transform: uppercase; }
.prose .reference-title { color: #29242a; font: 500 17px/1.42 "Cormorant Garamond", serif; text-decoration: none; }
.reference-meta { color: #6f665d; font-size: 12px; line-height: 1.55; }

.series-end { padding: clamp(72px, 9vw, 120px) 0; background: radial-gradient(circle at 18% 0%, rgba(224, 180, 95, .1), transparent 30%), linear-gradient(145deg, #151923, #070a0e); }
.series-end-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 50px; align-items: end; }
.series-end .mono { margin: 0 0 17px; color: var(--rb-gold); font-size: 9px; }
.series-end h2 { max-width: 840px; margin: 0; font: 500 clamp(43px, 6vw, 75px)/.95 "Cormorant Garamond", serif; }
.series-end a { display: inline-flex; padding: 13px 20px; border-radius: 999px; background: linear-gradient(135deg, #ebcd8d, #c9994d); color: var(--rb-ink); font-size: 13px; font-weight: 700; text-decoration: none; white-space: nowrap; }
footer { padding: 30px 0 42px; border-top: 1px solid rgba(255, 247, 234, .09); color: #776f66; }
.foot { display: flex; align-items: center; justify-content: space-between; gap: 30px; font-size: 11px; }
.foot img { width: auto; height: 30px; }

:is(a, button, summary):focus-visible { outline: 2px solid var(--rb-gold); outline-offset: 3px; }
@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) { .glass { background: #11151d; } .glass::before { display: none; } }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } .glass::before { display: none; } }
@media (prefers-contrast: more) { .glass { border-color: #fff; background: #11151d; -webkit-backdrop-filter: none; backdrop-filter: none; } .prose p { color: #292621; } }
@media (prefers-contrast: more) { .field-scene { border-color: #e0b45f; background: #070a0e; } .prose .field-scene-copy p, .prose .field-scene-bridge { color: #fff7ea; } }
@media (min-width: 1081px) { .article-visual { width: calc(100% + 56px); margin-left: -28px; } }
@media (max-width: 1080px) { .article-layout { grid-template-columns: minmax(0, 1fr) minmax(190px, .34fr); } .series-rail { display: none; } }
@media (max-width: 820px) {
  .shell { width: min(100% - 32px, 1320px); }
  .site-header { inset: 10px 0 auto; }
  .nav { border-radius: 20px; }
  .brand span, .nav-links { display: none; }
  .mobile-menu { display: block; }
  .rule-hero { min-height: 760px; }
  .rule-hero::after { background: linear-gradient(0deg, rgba(5, 8, 13, .98) 0%, rgba(5, 8, 13, .82) 52%, rgba(5, 8, 13, .18) 84%); }
  .rule-hero-media { object-position: center top; }
  .rule-hero-inner { padding: 132px 0 54px; }
  .article-layout { grid-template-columns: 1fr; }
  .decision-rail { position: static; order: 1; margin-bottom: 52px; padding: 24px; border: 1px solid rgba(145, 106, 47, .28); }
  .prose { order: 2; }
  .prose p { font-size: 16px; line-height: 1.77; }
  .field-scene { border-radius: 24px; }
  .article-visual figcaption { grid-template-columns: 1fr; gap: 9px; padding: 21px 22px 23px; }
  .article-visual figcaption .mono, .article-visual figcaption strong, .prose .article-visual figcaption p { grid-column: 1; grid-row: auto; }
  .series-end-grid { grid-template-columns: 1fr; align-items: start; }
  .foot { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .rule-hero { min-height: 730px; }
  .rule-hero h1 { font-size: 50px; }
  .rule-series-mark { margin-bottom: 26px; }
  .rule-byline { gap: 8px 20px; }
  .lead { font-size: 27px; }
  .lead::first-letter { font-size: 4.5em; }
  .prose h2 { margin-top: 62px; font-size: 38px; }
  .article-visual { margin: 42px 0 50px; border-radius: 18px; }
  .article-visual + .article-visual { margin-top: -24px; }
  .article-visual figcaption { padding: 18px 18px 20px; }
  .article-visual figcaption strong { font-size: 20px; }
  .field-scene { margin-bottom: 54px; padding: 28px 22px; border-radius: 19px; }
  .field-scene-head { align-items: flex-start; }
  .prose .field-scene h2 { margin: 28px 0 25px; font-size: 39px; }
  .prose .field-scene-copy p { font-size: 15px; line-height: 1.72; }
  .prose .field-scene-bridge { grid-template-columns: 1fr; gap: 9px; font-size: 19px; }
  .pullquote { font-size: 31px; }
  .series-stamp { align-items: flex-start; flex-direction: column; }
  .series-nav { grid-template-columns: 1fr; }
  .series-nav a.next { text-align: left; }
  .references-head { align-items: start; }
  .references li { grid-template-columns: 34px minmax(0, 1fr); gap: 13px; padding: 18px 15px; }
  .series-end a { justify-content: center; width: 100%; }
}