:root {
  --ink: #061a14;
  --ink-2: #0b2b22;
  --forest: #0f3b2e;
  --mint: #63e5b5;
  --gold: #f0b720;
  --cream: #f3efe3;
  --paper: #fbf8ef;
  --line: rgba(6, 26, 20, .17);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; background: var(--gold); padding: .75rem 1rem; border-radius: .25rem; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 50; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 84px; padding: 0 clamp(1rem, 4vw, 4.75rem); background: rgba(251,248,239,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: .8rem; width: max-content; }
.brand strong { display: block; font: 700 1.06rem/1 var(--serif); }
.brand small { display: block; margin-top: .28rem; font: 700 .58rem/1 var(--sans); letter-spacing: .16em; }
.brand-mark { position: relative; width: 37px; height: 37px; display: inline-block; transform: rotate(30deg); }
.brand-mark i { position: absolute; inset: 4px; border: 1.5px solid var(--gold); border-radius: 50% 50% 50% 8%; }
.brand-mark i:nth-child(2) { inset: 9px; border-color: var(--forest); }
.brand-mark i:nth-child(3) { inset: 14px; background: var(--gold); border: 0; }
.site-nav { display: flex; gap: clamp(1rem, 2.2vw, 2.5rem); font-size: .82rem; font-weight: 700; letter-spacing: .04em; }
.site-nav a { padding: 2rem 0; position: relative; }
.site-nav a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: 1.35rem; height: 2px; background: var(--gold); transition: right .25s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.header-cta { justify-self: end; padding: .72rem 1rem; border: 1px solid var(--ink); border-radius: 999px; font-size: .78rem; font-weight: 800; }
.header-cta:hover { background: var(--ink); color: var(--paper); }
.menu-toggle { display: none; }

.hero { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(340px, .75fr); min-height: 760px; padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 6vw, 7rem) 3rem; color: var(--cream); background: var(--ink); }
.hero-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(99,229,181,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(99,229,181,.12) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(to right, #000, transparent 85%); }
.hero::before { content: ''; position: absolute; width: 580px; height: 580px; right: -180px; top: -150px; border-radius: 50%; background: radial-gradient(circle, rgba(99,229,181,.18), transparent 68%); }
.hero-copy { position: relative; z-index: 2; max-width: 930px; }
.eyebrow { display: flex; align-items: center; gap: .75rem; margin: 0 0 1.5rem; color: #a9c5b8; font-size: .66rem; font-weight: 800; letter-spacing: .16em; }
.eyebrow span { width: 28px; height: 2px; background: var(--gold); }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.045em; line-height: .98; }
h1 { margin: 0; max-width: 930px; font-size: clamp(3.4rem, 6.8vw, 7.3rem); }
h1 em { color: var(--mint); font-style: normal; }
.hero-lede { max-width: 670px; margin: 2rem 0 0; color: #b7c8c0; font-size: clamp(1.05rem, 1.45vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.4rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 50px; padding: .8rem 1.2rem; border: 1px solid currentColor; border-radius: 4px; font-size: .82rem; font-weight: 800; }
.button-primary { color: var(--ink); background: var(--gold); border-color: var(--gold); }
.button-primary:hover { background: #ffd15b; border-color: #ffd15b; }
.button-quiet { color: var(--cream); border-color: rgba(243,239,227,.35); }
.button-quiet:hover { border-color: var(--cream); }
.hero-signal { position: relative; z-index: 2; width: min(100%, 520px); aspect-ratio: 1; align-self: center; justify-self: center; }
.signal-orbit { position: absolute; border: 1px solid rgba(99,229,181,.28); border-radius: 50%; }
.signal-orbit-a { inset: 8%; }
.signal-orbit-b { inset: 25%; border-style: dashed; animation: spin 28s linear infinite; }
.signal-orbit::before, .signal-orbit::after { content: ''; position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--gold); }
.signal-orbit-a::before { top: 12%; left: 14%; }.signal-orbit-a::after { bottom: 8%; right: 20%; }
.signal-orbit-b::before { top: -5px; left: 50%; }.signal-orbit-b::after { bottom: -5px; right: 45%; background: var(--mint); }
.signal-core { position: absolute; inset: 37%; display: grid; place-content: center; text-align: center; border: 1px solid var(--mint); border-radius: 50%; background: rgba(99,229,181,.08); box-shadow: 0 0 70px rgba(99,229,181,.14); }
.signal-core span { font: 500 2.1rem/1 var(--serif); }.signal-core small { margin-top: .4rem; color: var(--mint); font-size: .48rem; letter-spacing: .14em; }
.signal-label { position: absolute; display: flex; gap: .55rem; align-items: center; padding: .5rem .65rem; border: 1px solid rgba(243,239,227,.2); background: rgba(6,26,20,.75); font-size: .68rem; }
.signal-label b { color: var(--gold); font-size: .56rem; }.label-one { top: 12%; left: 5%; }.label-two { top: 25%; right: -1%; }.label-three { bottom: 16%; left: 4%; }.label-four { right: 7%; bottom: 7%; }
.hero-proof { position: relative; z-index: 2; grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); max-width: 780px; margin-top: 4rem; border-top: 1px solid rgba(243,239,227,.18); }
.hero-proof div { padding: 1.25rem 2rem 0 0; }.hero-proof strong { display: block; color: var(--gold); font: 500 2.5rem/1 var(--serif); }.hero-proof span { color: #91aa9f; font-size: .72rem; }
@keyframes spin { to { transform: rotate(360deg); } }

.statement, .architecture, .participation, .boundary { padding: clamp(4.5rem, 8vw, 8.5rem) clamp(1.25rem, 6vw, 7rem); }
.statement { display: grid; grid-template-columns: .38fr 1.62fr; gap: 3rem; background: var(--gold); }
.section-index { margin: 0; font-size: .62rem; font-weight: 900; letter-spacing: .17em; }
.statement h2, .section-heading h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 5.25rem); }
.statement p:not(.section-index) { max-width: 850px; margin: 2rem 0 0; font-size: clamp(1rem, 1.45vw, 1.28rem); }
.architecture { background: var(--paper); }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 5rem; align-items: end; margin-bottom: 3.5rem; }
.section-heading .section-index { margin-bottom: 1.2rem; color: #5e756b; }
.section-heading > p { max-width: 520px; margin: 0 0 .55rem; color: #4d655b; font-size: .98rem; }
.system-map { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.system-card { position: relative; min-height: 370px; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s ease, color .25s ease, transform .25s ease; }
.system-card:hover { z-index: 2; background: #fffdf6; transform: translateY(-4px); box-shadow: 0 18px 45px rgba(6,26,20,.08); }
.card-number { display: block; color: #71877d; font: 800 .66rem/1 var(--sans); letter-spacing: .12em; }
.card-kicker { margin: 4rem 0 .7rem; color: #597167; font-size: .58rem; font-weight: 900; letter-spacing: .16em; }
.system-card h3 { margin: 0; font: 500 clamp(1.8rem, 2.5vw, 2.75rem)/1.05 var(--serif); }
.system-card > p:not(.card-kicker) { max-width: 430px; color: #53685f; font-size: .9rem; }
.card-link { position: absolute; left: 2rem; bottom: 1.7rem; display: flex; justify-content: space-between; width: calc(100% - 4rem); padding: .65rem 0; border: 0; border-top: 1px solid var(--line); color: var(--ink); background: transparent; font-size: .72rem; font-weight: 800; text-align: left; cursor: pointer; }
.card-link span { color: var(--gold); font-size: 1rem; }.card-detail { display: none; margin-top: 1rem; padding: 1rem; background: rgba(240,183,32,.12); font-size: .78rem; }.system-card.open .card-detail { display: block; }.system-card.open { background: #fffdf6; }.system-card.open .card-link span { transform: rotate(45deg); }
.card-featured { color: var(--cream); background: var(--forest); }.card-featured:hover { color: var(--cream); background: #174b3c; }.card-featured .card-number, .card-featured .card-kicker, .card-featured > p:not(.card-kicker) { color: #a8c0b5; }.card-featured .card-link { color: var(--cream); border-color: rgba(243,239,227,.2); }

.operating-loop { padding: clamp(4.5rem, 8vw, 8.5rem) clamp(1.25rem, 6vw, 7rem); color: var(--cream); background: var(--forest); }
.section-heading.inverse .section-index, .section-heading.inverse > p { color: #a5c4b6; }
.loop-list { display: grid; grid-template-columns: repeat(7, 1fr); margin: 4rem 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(243,239,227,.18); }
.loop-list li { position: relative; min-height: 190px; padding: 1.4rem .8rem; border-right: 1px solid rgba(243,239,227,.18); }
.loop-list li:first-child { border-left: 1px solid rgba(243,239,227,.18); }
.loop-list span { display: block; color: var(--gold); font-size: .6rem; font-weight: 900; }.loop-list b { display: block; margin-top: 4.4rem; font: 500 1.15rem/1 var(--serif); }.loop-list small { display: block; margin-top: .45rem; color: #9eb8ad; font-size: .63rem; }.loop-list li.active { background: var(--gold); color: var(--ink); }.loop-list li.active span, .loop-list li.active small { color: var(--ink); }

.participation { background: #eee9dc; }
.lanes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.lanes article { min-height: 285px; padding: 1.8rem; background: var(--paper); }.lanes span { color: #6a8177; font-size: .58rem; font-weight: 900; letter-spacing: .14em; }.lanes h3 { margin: 5.5rem 0 .8rem; font: 500 1.55rem/1.05 var(--serif); }.lanes p { margin: 0; color: #52685e; font-size: .82rem; }
.entry-panel { display: grid; grid-template-columns: 1fr auto; gap: 4rem; align-items: end; margin-top: 1px; padding: clamp(2rem, 5vw, 4.5rem); color: var(--cream); background: var(--ink); }.entry-panel h2 { max-width: 820px; margin: 0; font-size: clamp(2.4rem, 4vw, 4.3rem); }.entry-panel > div > p:last-child { max-width: 760px; color: #a8bbb2; }.entry-panel .button { white-space: nowrap; }
.boundary { padding-top: 5rem; padding-bottom: 5rem; background: var(--paper); }.boundary-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 2rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }.boundary-grid div { min-height: 155px; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }.boundary-grid strong { display: block; font: 500 1.5rem/1 var(--serif); }.boundary-grid span { display: block; margin-top: 1.7rem; color: #566c62; font-size: .8rem; }

footer { display: grid; grid-template-columns: 1fr 1fr auto; gap: 2rem; align-items: center; padding: 4rem clamp(1.25rem, 6vw, 7rem) 2rem; color: var(--cream); background: #03110d; }.footer-brand .brand-mark i:nth-child(2) { border-color: var(--mint); }.footer-links { display: flex; gap: 1.3rem; font-size: .72rem; }.footer-links a:hover { color: var(--gold); }.legal { grid-column: 1 / -1; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(243,239,227,.15); color: #759086; font-size: .62rem; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
@media (max-width: 1050px) {
  .site-header { grid-template-columns: 1fr auto; }.site-nav, .header-cta { display: none; }.menu-toggle { display: block; justify-self: end; border: 1px solid var(--ink); border-radius: 999px; padding: .55rem .8rem; background: transparent; font-size: .75rem; font-weight: 800; }.site-header.menu-open .site-nav { position: absolute; display: grid; top: 84px; left: 0; right: 0; padding: 1rem 1.25rem 1.5rem; background: var(--paper); border-bottom: 1px solid var(--line); }.site-header.menu-open .site-nav a { padding: .8rem; }
  .hero { grid-template-columns: 1fr; }.hero-signal { width: min(90vw, 520px); margin-top: 3rem; }.hero-proof { grid-column: 1; }
  .system-map { grid-template-columns: repeat(2, 1fr); }.loop-list { grid-template-columns: repeat(4, 1fr); }.lanes { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .hero { min-height: auto; padding-top: 5rem; }.hero-signal { width: 100%; }.signal-label { font-size: .58rem; }.hero-proof { grid-template-columns: 1fr; }.hero-proof div { padding: 1rem 0; border-bottom: 1px solid rgba(243,239,227,.15); }
  .statement, .section-heading { grid-template-columns: 1fr; gap: 1.5rem; }.system-map, .lanes, .boundary-grid { grid-template-columns: 1fr; }.system-card { min-height: 330px; }.loop-list { grid-template-columns: repeat(2, 1fr); }.entry-panel { grid-template-columns: 1fr; gap: 1rem; } footer { grid-template-columns: 1fr; }.footer-links { flex-wrap: wrap; }.legal { grid-column: 1; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } }