body[data-tank-page="rules"] { --rules-paper: var(--executive-paper); --rules-floor: var(--executive-floor); --rules-ink: var(--executive-ink); --rules-blue: var(--executive-blue); --rules-red: var(--executive-red); --rules-green: var(--executive-green); color: var(--rules-ink); background: var(--rules-floor); line-height: 1.6; scroll-padding-top: 100px; }
body[data-tank-page="rules"] a { color: var(--rules-blue); font-weight: 650; text-underline-offset: .18em; transition: color 120ms ease, text-decoration-color 120ms ease; }
body[data-tank-page="rules"] a:hover { color: var(--rules-red); text-decoration-thickness: 2px; }
body[data-tank-page="rules"] a:focus-visible, body[data-tank-page="rules"] summary:focus-visible { outline: 3px solid var(--rules-red); outline-offset: 4px; }
body[data-tank-page="rules"] .tank-header-status { line-height: 1.6; }
.rules-hero { min-height: 490px; display: flex; align-items: center; background: linear-gradient(90deg, #fffaf1 0%, #fffaf1ef 45%, #fffaf1a6 72%, #fffaf155 100%), url('/assets/boardroom/investor-room-v3.webp') center/cover; padding: 64px max(24px, calc((100vw - 1190px)/2)); border-bottom: 1px solid #8d9695; }
.hero-copy { max-width: 680px; }
.eyebrow{font-size:16px; margin:0; line-height:1.5; letter-spacing:.12em; font-weight:750; color:var(--rules-blue);}
.rules-hero h1 { max-width: 12ch; font-size: clamp(42px, 6vw, 76px); line-height: 1.5; letter-spacing: -.025em; margin: 18px 0 22px; }
.rules-hero h1 em { color: var(--rules-red); }
.rules-hero .hero-copy > p:not(.eyebrow) { max-width: 60ch; font-size: 18px; }
.rules-hero .primary-link { display: inline-flex; align-items: center; margin: 16px 0 0; padding: 12px 22px; min-height: 48px; color: #fffaf1; background: #58382b; border: 1px solid #58382b; border-radius: 4px; box-shadow: 0 3px 0 #292c2d; text-decoration: none; transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease; }
.rules-hero .primary-link:hover { color: #fffaf1; background: #704719; transform: translateY(-1px); box-shadow: 0 4px 0 #292c2d; }
.hero-caption { display: flex; align-items: center; gap: 10px; margin: 18px 0 0; color: #4e5253; font-size: 16px; }
.ink-mark { width: 28px; height: 3px; display: inline-block; background: var(--rules-red); box-shadow: 8px 5px 0 -1px var(--rules-blue), 16px -5px 0 -1px var(--rules-green); }
.rules-index { max-width: 1190px; margin: 36px auto 0; padding: 22px 26px; background: var(--rules-paper); border: 1px solid #8d9695; border-left: 5px solid var(--rules-blue); }
.rules-index ul { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px 24px; margin: 12px 0 0; padding: 0; list-style: none; }
.rules-index a { display: inline-flex; align-items: center; min-height: 44px; }
.rules-content, .rules-note { max-width: 1190px; margin: auto; padding: 64px 24px; scroll-margin-top: 104px; }
body[data-tank-page="rules"] :is(#purpose-title,#routes-title,#manual-title,#relay-score-title,#capacity-title,#saving-title) { scroll-margin-top: 110px; }
.rules-content h2, .rules-note h2 { max-width: 24ch; margin: 12px 0 22px; font-size: clamp(32px, 4vw, 50px); line-height: 1.5; }
.rules-content p, .rules-note p { max-width: 76ch; color: #292c2d; }
.purpose-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.purpose-grid > p { margin: 0; }
.document-note { padding: 22px 24px; background: var(--rules-paper); border: 1px solid #8d9695; border-top: 4px solid var(--rules-green); }
.document-note strong { color: var(--rules-green); }
.route-section { border-top: 1px solid #8d9695; }
.route-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-top: 28px; }
.route-card { min-width: 0; padding: 24px; background: var(--rules-paper); border: 1px solid #8d9695; border-top: 5px solid var(--rules-blue); box-shadow: 0 8px 20px #292c2d10; }
.route-circuit { border-top-color: var(--rules-red); }
.route-pitch { border-top-color: var(--rules-green); }
.route-number { margin: 0 0 12px; color: #4e5253; font-size: 16px; font-weight: 750; letter-spacing: .1em; }
.route-number span { margin-left: 8px; }
.route-card h3 { margin: 0; font-size: 28px; }
.route-card p:not(.route-number) { min-height: 12.5em; margin: 14px 0; }
.route-card a { display: inline-flex; align-items: center; min-height: 44px; }
.rules-steps { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; list-style: none; padding: 0; margin: 28px 0; }
.rules-steps li { display: flex; gap: 20px; min-width: 0; padding: 24px; background: var(--rules-paper); border: 1px solid #8d9695; border-left: 4px solid var(--rules-red); }
.rules-steps li:nth-child(even) { border-left-color: var(--rules-blue); }
.rules-steps span { flex: 0 0 auto; color: var(--rules-red); font-family: var(--executive-display); font-size: 24px; font-weight: 700; line-height: 1.5; }
.rules-steps h3 { margin: 0 0 8px; font-size: 23px; }
.rules-steps p { margin: 0; }
.rules-disclosure { margin: 16px 0; background: var(--rules-paper); border: 1px solid #8d9695; }
.rules-disclosure summary { min-height: 48px; padding: 12px 18px; cursor: pointer; color: var(--rules-blue); font-weight: 700; }
.rules-disclosure summary::marker { color: var(--rules-red); }
.disclosure-copy { padding: 0 18px 16px; border-top: 1px solid #d1cbc0; }
.disclosure-copy p { margin: 14px 0 0; }
.score-section { background: #fffaf1; border-top: 1px solid #8d9695; border-bottom: 1px solid #8d9695; }
.score-section p { max-width: 86ch; }
.score-lead { max-width: 65ch !important; padding: 18px 20px; background: var(--rules-paper); border-left: 4px solid var(--rules-green); font-size: 19px; font-weight: 650; }
.score-subhead { margin: 24px 0 8px; font-size: 23px; }
.rules-glossary { display: grid; grid-template-columns: 130px 1fr; gap: 8px 16px; margin: 16px 0 0; }
.rules-glossary dt { color: var(--rules-blue); font-weight: 700; }
.rules-glossary dd { margin: 0; }
.capacity-equation { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 12px; align-items: center; max-width: 900px; margin: 28px 0; padding: 20px 24px; background: var(--rules-paper); border: 1px solid #8d9695; text-align: center; }
.capacity-equation > span { font-family: var(--executive-display); font-size: clamp(28px,4vw,42px); font-weight: 750; line-height: 1.5; }
.capacity-equation small { display: block; margin-top: 8px; color: #4e5253; font-family: var(--executive-body); font-size: 16px; font-weight: 650; line-height: 1.5; }
.capacity-equation b { color: #4e5253; font-size: 24px; }
.rules-note { display: grid; grid-template-columns: 1.3fr .7fr; gap: 36px; border-top: 1px solid #8d9695; }
.rules-actions { align-self: center; display: flex; flex-direction: column; gap: 12px; }
.rules-actions a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 900px) { .route-grid { grid-template-columns: 1fr; } .route-card p:not(.route-number) { min-height: 0; } }
@media (max-width: 760px) { .rules-hero { min-height: 420px; background: linear-gradient(90deg,#fffaf1f2,#fffaf1d9),url('/assets/boardroom/investor-room-v3.webp') center/cover; padding: 48px 20px; } .rules-index { margin: 20px 16px 0; } .rules-index ul { grid-template-columns: 1fr 1fr; gap: 4px 12px; } .rules-content, .rules-note { padding: 48px 20px; } .rules-steps, .purpose-grid, .rules-note { grid-template-columns: 1fr; } .capacity-equation { gap: 6px; padding: 16px 10px; } .capacity-equation small { font-size: 16px; } .rules-glossary { grid-template-columns: 1fr; gap: 0; } .rules-glossary dd { margin-bottom: 10px; } }
@media (max-width: 420px) { .rules-index ul { grid-template-columns: 1fr; } .capacity-equation { grid-template-columns: 1fr; gap: 8px; } .capacity-equation b { line-height: 1.5; } .capacity-equation small { margin-top: 3px; } }
@media (prefers-reduced-motion: reduce) { .rules-content, .rules-index { scroll-behavior: auto; } body[data-tank-page="rules"] a, .rules-hero .primary-link { transition: none; transform: none; } }