:root {
  --ink: #10201d;
  --ink-2: #17302b;
  --paper: #f5f4ee;
  --surface: #fffefa;
  --fog: #e6ebe4;
  --line: #cbd5cd;
  --muted: #52615b;
  --acid: #c7f36b;
  --acid-ink: #10201d;
  --cyan: #8ce4dc;
  --coral: #ed8b69;
  --max-width: 76rem;
  --radius: 1.1rem;
  --shadow: 0 1rem 3rem rgba(16, 32, 29, 0.09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1rem; line-height: 1.55; }
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 0.2rem solid var(--coral); outline-offset: 0.25rem; }
.container { width: min(calc(100% - 2.5rem), var(--max-width)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 0.8rem; left: 0.8rem; transform: translateY(-200%); padding: 0.65rem 0.9rem; border-radius: 0.4rem; background: var(--acid); color: var(--acid-ink); font-weight: 800; text-decoration: none; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid rgba(203, 213, 205, 0.7); background: rgba(245, 244, 238, 0.92); backdrop-filter: blur(1rem); }
.header-inner { display: flex; min-height: 4.8rem; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { display: inline-flex; align-items: center; gap: 0.65rem; color: var(--ink); font-size: 0.95rem; font-weight: 850; letter-spacing: -0.02em; text-decoration: none; white-space: nowrap; }
.logo-mark { display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 0.55rem; background: var(--ink); color: var(--acid); font-size: 0.78rem; }
.nav-toggle { display: none; min-width: 2.9rem; min-height: 2.75rem; border: 1px solid var(--ink); border-radius: 0.55rem; background: transparent; color: var(--ink); font: inherit; font-weight: 750; }
.main-nav { display: flex; align-items: center; gap: 0.12rem; }
.main-nav a { display: inline-flex; min-height: 2.65rem; align-items: center; padding: 0.45rem 0.66rem; border-radius: 999px; color: #3b4a45; font-size: 0.82rem; font-weight: 750; text-decoration: none; white-space: nowrap; }
.main-nav a:hover, .main-nav a[aria-current="page"] { background: #dde6dc; color: var(--ink); }
.main-nav .nav-cta { margin-left: 0.3rem; background: var(--ink); color: var(--acid); }
.main-nav .nav-cta:hover, .main-nav .nav-cta[aria-current="page"] { background: var(--acid); color: var(--acid-ink); }

h1, h2, h3 { margin: 0; color: var(--ink); letter-spacing: -0.045em; line-height: 0.99; }
h1 { max-width: 15ch; font-size: clamp(2.85rem, 6.2vw, 6.5rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3.65rem); }
h3 { font-size: 1.17rem; }
p { margin: 0; }
.eyebrow { display: inline-block; margin-bottom: 1rem; color: #3b5d53; font-size: 0.72rem; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.lede { max-width: 44rem; margin-top: 1.4rem; color: var(--muted); font-size: clamp(1.07rem, 1.8vw, 1.28rem); line-height: 1.55; }
.button-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; gap: 0.45rem; padding: 0.72rem 1rem; border: 1px solid var(--ink); border-radius: 0.55rem; background: var(--ink); color: var(--acid); font-size: 0.9rem; font-weight: 850; text-decoration: none; }
.button:hover { background: var(--acid); color: var(--acid-ink); }
.button.secondary { background: transparent; color: var(--ink); }
.button.secondary:hover { background: #dbe5da; }
.text-link { display: inline-flex; gap: 0.5rem; margin-top: 1.7rem; color: var(--ink); font-weight: 850; text-decoration: none; }
.text-link:hover { color: #3b5d53; }

.hero { padding: clamp(4rem, 9vw, 7rem) 0 clamp(3.5rem, 6vw, 5rem); border-bottom: 1px solid var(--line); background: #e9ede5; }
.hero .lede { color: #44534d; }
.hero-original { position: relative; overflow: hidden; border-bottom: 0; background: var(--ink); color: #f6fbef; }
.hero-original::after { position: absolute; right: -14rem; bottom: -20rem; width: 45rem; height: 45rem; border: 1px solid rgba(199, 243, 107, 0.25); border-radius: 50%; content: ""; }
.hero-original h1 { color: #f8f9f2; }
.hero-original .eyebrow { color: var(--acid); }
.hero-original .lede { color: #c6d6cd; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 0.8fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.status-line { display: inline-flex; margin: 0 0 1.1rem; padding: 0.32rem 0.62rem; border: 1px solid rgba(199, 243, 107, 0.5); border-radius: 999px; color: var(--acid); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.02em; }
.hero-note { max-width: 39rem; margin-top: 1rem; color: #aec1b6; font-size: 0.78rem; }

.flow-shell { padding: 1.25rem; border: 1px solid rgba(199, 243, 107, 0.42); border-radius: var(--radius); background: rgba(30, 56, 49, 0.76); box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, 0.25); }
.flow-topline { display: flex; justify-content: space-between; gap: 0.5rem; color: #d7e5dc; font-size: 0.65rem; font-weight: 850; letter-spacing: 0.11em; }
.live-dot { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--acid); letter-spacing: 0.03em; }
.live-dot::before { width: 0.43rem; height: 0.43rem; border-radius: 50%; background: var(--acid); content: ""; }
.flow-route { display: flex; align-items: center; gap: 0.45rem; margin: 1.4rem 0; color: #e7eee8; font-size: 0.72rem; font-weight: 750; }
.flow-route i { height: 1px; flex: 1; background: rgba(199, 243, 107, 0.6); }
.flow-stage { display: grid; grid-template-columns: 2.2rem 1fr; gap: 0.75rem; padding: 1rem 0; border-top: 1px solid rgba(221, 236, 226, 0.18); }
.flow-stage > span { display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 50%; background: var(--acid); color: var(--acid-ink); font-size: 0.72rem; font-weight: 900; }
.flow-stage strong { color: #f2f7f1; font-size: 0.94rem; }
.flow-stage p { margin-top: 0.25rem; color: #bccfc3; font-size: 0.79rem; line-height: 1.45; }

.section { padding: clamp(4rem, 8vw, 7.5rem) 0; }
.section.soft { border-block: 1px solid var(--line); background: #e9ede5; }
.section-head { max-width: 48rem; margin-bottom: 2.4rem; }
.section-head > p:last-child { margin-top: 1rem; color: var(--muted); }
.split-head { display: grid; max-width: none; grid-template-columns: minmax(0, 1.1fr) minmax(16rem, 0.65fr); gap: 2rem; align-items: end; }
.split-head > p { color: var(--muted); }
.signal-section { padding-block: 0; background: var(--acid); }
.signal-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.signal-grid article { min-height: 14rem; padding: 2rem; border-right: 1px solid rgba(16, 32, 29, 0.25); }
.signal-grid article:last-child { border-right: 0; }
.signal-grid span, .card-index { display: inline-block; margin-bottom: 1.35rem; color: #426154; font-size: 0.72rem; font-weight: 900; letter-spacing: 0.12em; }
.signal-grid h2 { max-width: 10ch; font-size: clamp(1.6rem, 2.4vw, 2.25rem); }
.signal-grid p { max-width: 20rem; margin-top: 0.85rem; color: #334a41; }
.rail-strip { background: var(--acid); }
.rail-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.rail-grid article { min-height: 9.2rem; padding: 1.35rem 1.7rem; border-right: 1px solid rgba(16, 32, 29, 0.22); }
.rail-grid article:last-child { border-right: 0; }
.rail-grid span { display: block; color: #426154; font-size: 0.68rem; font-weight: 900; letter-spacing: 0.12em; }
.rail-grid strong { display: block; margin-top: 0.75rem; font-size: 1.13rem; letter-spacing: -0.02em; }
.rail-grid p { margin-top: 0.15rem; color: #365046; font-size: 0.78rem; }
.audience-section { background: #fbfaf5; }
.audience-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.audience-card { display: flex; min-height: 22rem; flex-direction: column; padding: clamp(1.5rem, 3vw, 2.4rem); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.audience-card h3 { max-width: 10ch; font-size: clamp(2rem, 3.5vw, 3.25rem); }
.audience-card p { max-width: 35rem; margin-top: 1rem; color: var(--muted); }
.audience-card ul { margin: 1.2rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.audience-card li + li { margin-top: 0.35rem; }
.audience-card .text-link { margin-top: auto; }
.audience-card-dark { border-color: var(--ink); background: var(--ink); }
.audience-card-dark .card-index, .audience-card-dark h3, .audience-card-dark .text-link { color: var(--acid); }
.audience-card-dark p, .audience-card-dark li { color: #c2d3c7; }
.capability-section { background: #fbfaf5; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--ink); background: var(--ink); }
.capability-card { display: flex; min-height: 19rem; flex-direction: column; padding: 1.65rem; background: var(--surface); }
.capability-card h3 { max-width: 10ch; font-size: 1.65rem; }
.capability-card p { margin-top: 1rem; color: var(--muted); }
.capability-card a { display: inline-flex; gap: 0.5rem; margin-top: auto; padding-top: 2rem; color: var(--ink); font-weight: 850; text-decoration: none; }
.capability-card a:hover { color: #3b5d53; }

.operating-section { background: #dcece7; }
.operating-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(21rem, 1.1fr); gap: clamp(2rem, 8vw, 8rem); align-items: center; }
.operating-layout .lede { color: #40544c; }
.role-rail { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(16, 32, 29, 0.32); }
.role-rail li { display: grid; grid-template-columns: 3rem 1fr; gap: 0.85rem; padding: 1.1rem 0; border-bottom: 1px solid rgba(16, 32, 29, 0.32); }
.role-rail span { color: #487c69; font-size: 0.76rem; font-weight: 900; }
.role-rail strong { font-size: 1.02rem; }
.role-rail p { margin-top: 0.25rem; color: #415b51; font-size: 0.9rem; }
.usecase-section { background: #fbfaf5; }
.usecase-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.usecase-grid article { min-height: 14rem; padding: 1.4rem; border: 1px solid var(--line); border-radius: 0.75rem; background: var(--surface); }
.usecase-grid article:nth-child(2) { background: var(--ink); }
.usecase-grid article:nth-child(2) h3 { color: var(--acid); }
.usecase-grid article:nth-child(2) p { color: #c4d5ca; }
.usecase-grid h3 { max-width: 10ch; font-size: 1.45rem; }
.usecase-grid p { margin-top: 0.8rem; color: var(--muted); }
.partner-banner { padding-block: clamp(4rem, 7vw, 6rem); background: var(--coral); }
.partner-banner-inner { display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.partner-banner h2 { max-width: 20ch; }
.partner-banner p:not(.eyebrow) { max-width: 45rem; margin-top: 0.8rem; color: #4d2c25; }
.partner-banner .button { background: var(--ink); color: var(--acid); }
.partner-banner .button:hover { background: var(--paper); color: var(--ink); }
.no-otc-section { padding-block: clamp(3.5rem, 6vw, 5rem); border-block: 1px solid rgba(199, 243, 107, 0.28); background: var(--ink); }
.no-otc-inner { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(15rem, 0.8fr) auto; align-items: end; gap: 2rem; }
.no-otc-section .eyebrow { color: var(--acid); }
.no-otc-section h2 { color: #f8faf3; }
.no-otc-section p { color: #bfd0c5; }
.no-otc-section .button.secondary { border-color: var(--acid); color: var(--acid); }
.no-otc-section .button.secondary:hover { background: var(--acid); color: var(--ink); }

.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.card p, .card li { color: var(--muted); }
.card p { margin-top: 0.7rem; }
.card ul { margin: 0.8rem 0 0; padding-left: 1.1rem; }
.card li + li { margin-top: 0.42rem; }
.service-card, .service-detail { min-height: 100%; }
.service-detail h2 { font-size: 1.4rem; }
.fact-list { display: grid; grid-template-columns: max-content 1fr; gap: 0.7rem 1rem; margin: 0; }
.fact-list dt { color: var(--muted); font-weight: 750; }
.fact-list dd { margin: 0; font-weight: 750; }
.notice { padding: 1.15rem 1.25rem; border-left: 0.35rem solid var(--coral); border-radius: 0.45rem; background: #fff0eb; color: #5e3025; }
.notice strong { color: #3f1d15; }
.prose { max-width: 48rem; }
.prose h2 { margin-top: 2.5rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.5rem; }
.prose p, .prose li { color: var(--muted); }
.prose p { margin-top: 0.85rem; }
.prose ul { margin: 0.8rem 0 0; padding-left: 1.1rem; }
.prose li + li { margin-top: 0.42rem; }
.faq { max-width: 55rem; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; min-height: 4rem; padding: 1.1rem 2.3rem 1.1rem 0; cursor: pointer; color: var(--ink); font-weight: 850; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { position: absolute; right: 0.3rem; content: '+'; color: #477f6a; font-size: 1.5rem; font-weight: 400; }
.faq details[open] summary::after { content: '−'; }
.faq p { max-width: 46rem; padding-bottom: 1.15rem; color: var(--muted); }
.cta-panel { display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.cta-panel p { max-width: 45rem; margin-top: 0.7rem; color: var(--muted); }
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(16, 32, 29, 0.25); }
.process-grid article { min-height: 14rem; padding: 1.4rem; border-right: 1px solid rgba(16, 32, 29, 0.25); }
.process-grid article:last-child { border-right: 0; }
.process-grid span { display: block; color: #447864; font-size: 0.72rem; font-weight: 900; letter-spacing: 0.12em; }
.process-grid h3 { margin-top: 1.35rem; font-size: 1.18rem; }
.process-grid p { margin-top: 0.65rem; color: var(--muted); font-size: 0.9rem; }
.ramp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.ramp-card { min-height: 23rem; padding: clamp(1.5rem, 3vw, 2.4rem); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.ramp-card h3 { max-width: 11ch; font-size: clamp(1.9rem, 3.4vw, 3rem); }
.ramp-card p { max-width: 36rem; margin-top: 1rem; color: var(--muted); }
.ramp-card ol { margin: 1.25rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.ramp-card li + li { margin-top: 0.55rem; }
.ramp-card-dark { border-color: var(--ink); background: var(--ink); }
.ramp-card-dark .card-index, .ramp-card-dark h3, .ramp-card-dark .text-link { color: var(--acid); }
.ramp-card-dark p, .ramp-card-dark li { color: #c2d3c7; }

.site-footer { background: var(--ink); color: #e9f1ea; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 2rem; padding: 3.5rem 0 2rem; }
.site-footer h2 { color: #f8faf3; font-size: 1rem; letter-spacing: 0; }
.site-footer p { margin-top: 0.7rem; color: #b4c8bb; font-size: 0.88rem; }
.site-footer nav { display: grid; gap: 0.5rem; }
.site-footer a { color: #e1eee4; font-size: 0.88rem; text-decoration: none; }
.site-footer a:hover { color: var(--acid); }
.footer-legal { padding: 1.2rem 0 2rem; border-top: 1px solid rgba(225, 238, 228, 0.2); color: #a9beb1; font-size: 0.77rem; }

@media (max-width: 980px) {
  .main-nav a { padding-inline: 0.5rem; font-size: 0.77rem; }
  .hero-grid, .operating-layout, .split-head { grid-template-columns: 1fr; }
  .hero-grid { gap: 2.5rem; }
  .flow-shell { max-width: 40rem; }
  .signal-grid, .rail-grid, .usecase-grid { grid-template-columns: 1fr; }
  .signal-grid article { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(16, 32, 29, 0.25); }
  .signal-grid article:last-child { border-bottom: 0; }
  .rail-grid article { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(16, 32, 29, 0.25); }
  .rail-grid article:last-child { border-bottom: 0; }
  .grid.four, .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-grid article:nth-child(2) { border-right: 0; }
  .process-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(16, 32, 29, 0.25); }
  .audience-grid, .ramp-grid, .no-otc-inner { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 2rem), var(--max-width)); }
  .header-inner { min-height: 4.25rem; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .main-nav { position: absolute; top: calc(100% + 1px); right: 0; left: 0; display: none; flex-direction: column; align-items: stretch; gap: 0.2rem; padding: 0.75rem 1rem 1rem; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow); }
  .main-nav[data-open="true"] { display: flex; }
  .main-nav a { justify-content: center; padding: 0.65rem; font-size: 0.9rem; }
  .main-nav .nav-cta { margin-left: 0; }
  h1 { max-width: 12ch; font-size: clamp(2.65rem, 13vw, 4.25rem); }
  h2 { font-size: clamp(2rem, 10vw, 3rem); }
  .hero-original { padding-top: 4.3rem; }
  .flow-route { font-size: 0.61rem; }
  .capability-grid, .grid.two, .grid.three, .grid.four, .footer-grid, .audience-grid, .ramp-grid, .process-grid, .no-otc-inner { grid-template-columns: 1fr; }
  .process-grid article, .process-grid article:nth-child(2) { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(16, 32, 29, 0.25); }
  .process-grid article:last-child { border-bottom: 0; }
  .partner-banner-inner, .cta-panel { align-items: start; flex-direction: column; }
  .fact-list { grid-template-columns: 1fr; gap: 0.25rem; }
  .fact-list dd { margin-bottom: 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}