:root {
  --ink: #091329;
  --ink-soft: #172443;
  --paper: #f5f0e4;
  --paper-deep: #e9e2d3;
  --lime: #c9f52d;
  --orange: #ff5a24;
  --blue: #7184ff;
  --muted: #687181;
  --line: rgba(9, 19, 41, 0.16);
  --line-strong: rgba(9, 19, 41, 0.36);
  --display: "Arial Black", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --body: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 1px 1px, rgba(9, 19, 41, 0.035) 1px, transparent 0) 0 0 / 12px 12px,
    var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection { color: var(--ink); background: var(--lime); }

a { color: inherit; text-decoration: none; }

button,
a { -webkit-tap-highlight-color: transparent; }

img { max-width: 100%; }

.skip-link {
  position: fixed;
  z-index: 50;
  top: 12px;
  left: 12px;
  padding: 10px 13px;
  color: var(--ink);
  background: var(--lime);
  font: 11px var(--mono);
  text-transform: uppercase;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus { transform: translateY(0); }

.section-shell { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1200px, calc(100% - 80px));
  min-height: 92px;
  margin-inline: auto;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 240, 228, 0.92);
  backdrop-filter: blur(13px);
}

.brand-lockup { display: flex; align-items: center; min-width: 0; gap: 12px; }

.brand-mark { width: 40px; height: 40px; flex: 0 0 auto; border-radius: 9px; object-fit: cover; }

.brand-name { font: 900 20px/1 var(--display); letter-spacing: -0.07em; }

.brand-detail {
  padding-left: 12px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font: 10px/1.22 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 3px;
  color: var(--ink-soft);
  font: 9px var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-status i {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(201, 245, 45, 0.24);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font: 11px var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav a { transition: color 160ms ease, background 160ms ease; }

.site-nav a:hover,
.site-nav a:focus-visible { color: var(--orange); }

.site-nav .nav-cta {
  padding: 11px 14px;
  color: var(--paper);
  background: var(--ink);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible { color: var(--ink); background: var(--lime); }

.nav-toggle { display: none; }

.eyebrow,
.section-kicker,
.card-number,
.art-topline,
.art-footer,
.item-status,
.footer-meta,
.footer-bottom,
.hero-facts dt,
.hero-facts dd,
.protocol-list { font: 11px var(--mono); letter-spacing: 0.045em; text-transform: uppercase; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(400px, 0.96fr);
  gap: 8.5%;
  align-items: center;
  min-height: 704px;
  padding-block: 96px 116px;
}

.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 25px; color: var(--orange); }

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 90, 36, 0.14);
}

h1,
h2,
h3,
p { margin-top: 0; }

h1,
h2,
h3 { font-family: var(--display); letter-spacing: -0.075em; }

h1 { max-width: 690px; margin-bottom: 28px; font-size: clamp(58px, 7vw, 104px); line-height: 0.88; }

h1 em,
h2 em { color: var(--orange); font-style: normal; }

.hero-lede { max-width: 535px; margin-bottom: 31px; color: #354155; font-size: 19px; line-height: 1.55; }

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 23px;
  padding: 15px 18px;
  font: 11px var(--mono);
  letter-spacing: 0.045em;
  text-transform: uppercase;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible { transform: translateY(-3px); }

.button-primary { color: var(--paper); background: var(--ink); }

.button-primary:hover,
.button-primary:focus-visible { color: var(--ink); background: var(--lime); }

.button-light { color: var(--ink); background: var(--paper); }

.button-light:hover,
.button-light:focus-visible { color: var(--paper); background: var(--orange); }

.text-link { font: 11px var(--mono); letter-spacing: 0.045em; text-transform: uppercase; }

.text-link span { display: inline-block; margin-left: 8px; transition: transform 160ms ease; }

.text-link:hover span,
.text-link:focus-visible span { transform: translateX(4px); }

.hero-note { margin: 22px 0 0; color: var(--muted); font: 11px var(--mono); }

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 512px;
  margin: 34px 0 0;
  border-top: 1px solid var(--line);
}

.hero-facts div { min-width: 0; padding: 13px 12px 0 0; border-right: 1px solid var(--line); }
.hero-facts div + div { padding-left: 12px; }
.hero-facts div:last-child { border-right: 0; }
.hero-facts dt { margin-bottom: 5px; color: var(--muted); font-size: 9px; }
.hero-facts dd { margin: 0; color: var(--ink); font-size: 11px; }

.hero-art {
  position: relative;
  min-height: 504px;
  padding: 22px 25px;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
  box-shadow: 18px 18px 0 var(--orange);
}

.hero-art::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(243, 239, 228, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(243, 239, 228, 0.08) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.35;
  content: "";
}

.hero-art::after {
  position: absolute;
  top: 56px;
  right: -3px;
  width: 105px;
  height: 1px;
  background: var(--lime);
  box-shadow: 0 9px 0 rgba(201, 245, 45, 0.45), 0 18px 0 rgba(201, 245, 45, 0.18);
  content: "";
}

.art-topline,
.art-footer,
.art-flag { position: relative; z-index: 1; display: flex; justify-content: space-between; color: rgba(245, 240, 228, 0.63); }

.art-title {
  position: relative;
  z-index: 1;
  max-width: 380px;
  margin-top: 71px;
  color: var(--paper);
  font: 900 clamp(45px, 6.3vw, 77px)/0.82 var(--display);
  letter-spacing: -0.085em;
}

.art-title strong { color: var(--lime); font-weight: inherit; }

.art-diagram { position: absolute; inset: 25% 12% 16%; }

.diagram-ring { position: absolute; border: 1px solid rgba(245, 240, 228, 0.28); border-radius: 50%; transform: translate(-50%, -50%); }
.ring-one { top: 50%; left: 50%; width: 255px; height: 255px; }
.ring-two { top: 50%; left: 50%; width: 390px; height: 390px; border-style: dashed; opacity: 0.7; }

.diagram-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  color: var(--ink);
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(201, 245, 45, 0.1);
  font: 900 20px var(--mono);
  transform: translate(-50%, -50%);
}

.diagram-node { position: absolute; display: flex; align-items: center; gap: 8px; color: var(--paper); font: 10px var(--mono); }
.diagram-node b { color: var(--orange); font-size: 18px; font-weight: 400; }
.node-one { top: 10%; left: 50%; transform: translateX(-50%); }
.node-two { top: 49%; right: -4%; }
.node-three { bottom: 4%; left: 50%; transform: translateX(-50%); }

.art-flag {
  position: absolute;
  right: 25px;
  bottom: 63px;
  left: 25px;
  align-items: flex-end;
  gap: 15px;
  color: rgba(245, 240, 228, 0.58);
  font: 9px var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.art-flag img { width: 132px; height: 79px; border: 1px solid rgba(245, 240, 228, 0.38); object-fit: cover; }

.art-footer {
  position: absolute;
  right: 25px;
  bottom: 22px;
  left: 25px;
  align-items: center;
}

.art-arrow { color: var(--orange); font-size: 22px; }

.signal-strip {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background: var(--orange);
}

.signal-strip::before {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, transparent 0 16px, rgba(9, 19, 41, 0.075) 17px 18px);
  content: "";
}

.signal-strip-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  width: min(1200px, calc(100% - 80px));
  min-height: 90px;
  margin-inline: auto;
}

.signal-strip p { max-width: 420px; margin: 0; font: 900 clamp(17px, 2.45vw, 28px)/1 var(--display); letter-spacing: -0.055em; }
.signal-arrow { color: var(--ink); font-size: 27px; }

.content-section { padding-block: 134px; border-bottom: 1px solid var(--line); }

.section-kicker { display: flex; justify-content: space-between; max-width: 270px; margin-bottom: 62px; color: var(--orange); }
.section-kicker span:first-child { color: var(--ink); }

h2 { margin-bottom: 0; font-size: clamp(42px, 5vw, 70px); line-height: 0.93; }

.premise-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(310px, 0.78fr); gap: 15%; }

.premise-copy { padding-top: 9px; color: #354155; font-size: 18px; }
.premise-copy p { margin-bottom: 25px; }

.aside-copy {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-top: 25px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font: 13px/1.48 var(--mono);
}

.aside-mark { color: var(--orange); font-size: 21px; line-height: 1; }

.field-images {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(280px, 0.72fr);
  gap: 15px;
  margin-top: 76px;
}

.field-image {
  position: relative;
  min-height: 420px;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
}

.field-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.04);
  transition: transform 420ms cubic-bezier(0.2, 0.7, 0.25, 1);
}

.field-image::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(9, 19, 41, 0.88) 100%);
  pointer-events: none;
  content: "";
}

.field-image:hover img { transform: scale(1.025); }

.field-image figcaption {
  position: absolute;
  z-index: 1;
  right: 19px;
  bottom: 17px;
  left: 19px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--paper);
  font: 10px/1.25 var(--mono);
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.field-image figcaption span:first-child { color: var(--lime); }

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 278px;
  gap: 16%;
  align-items: end;
  margin-bottom: 56px;
}

.section-intro { margin: 0 0 4px; color: var(--muted); font-size: 15px; line-height: 1.48; }

.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }

.principle-card {
  min-height: 365px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  border-top: 5px solid var(--ink);
  background: var(--paper-deep);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.principle-card:hover { box-shadow: 8px 8px 0 var(--ink); transform: translate(-4px, -4px); }
.principle-card.card-build { background: var(--lime); }
.principle-card.card-pay { background: var(--blue); }
.principle-card.card-compound { color: var(--paper); background: var(--ink); border-color: var(--lime); }
.card-number { margin-bottom: 54px; }
.card-icon { margin-bottom: auto; font: 63px/1 var(--body); letter-spacing: -0.12em; }
.card-compound .card-icon { color: var(--lime); }
.principle-card h3 { max-width: 250px; margin-bottom: 11px; font-size: 30px; line-height: 0.94; }
.principle-card p { max-width: 300px; margin: 0; font-size: 14px; line-height: 1.48; }

.explore-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(350px, 1fr); gap: 16%; }
.explore-lede { max-width: 430px; margin: 31px 0 0; color: var(--muted); font-size: 17px; }
.explore-list { border-top: 1px solid var(--line-strong); }

.explore-item {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 78px;
  border-bottom: 1px solid var(--line);
  transition: padding 160ms ease, background 160ms ease;
}

.explore-item:hover { padding-inline: 10px; background: rgba(201, 245, 45, 0.18); }
.item-index,
.item-status { font: 11px var(--mono); }
.item-index { color: var(--orange); }
.item-label { font-size: 19px; letter-spacing: -0.04em; }
.item-status { color: var(--muted); }

.open-call {
  position: relative;
  display: grid;
  grid-template-columns: minmax(210px, 0.62fr) minmax(0, 1fr) 150px;
  gap: 8%;
  align-items: center;
  min-height: 515px;
  padding-block: 82px;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
}

.open-call::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(245, 240, 228, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(245, 240, 228, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  content: "";
}

.open-call::after {
  position: absolute;
  right: -110px;
  bottom: -140px;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(201, 245, 45, 0.35);
  border-radius: 50%;
  box-shadow: 0 0 0 50px rgba(201, 245, 45, 0.04), 0 0 0 105px rgba(201, 245, 45, 0.04);
  content: "";
}

.open-call-art { position: relative; z-index: 1; display: grid; min-height: 240px; place-items: center; }

.open-call-art img {
  position: relative;
  z-index: 1;
  width: 170px;
  height: 170px;
  border-radius: 30px;
  object-fit: cover;
  box-shadow: 13px 13px 0 var(--orange);
}

.orbit { position: absolute; border: 1px solid rgba(245, 240, 228, 0.25); border-radius: 50%; }
.orbit-a { width: 215px; height: 215px; }
.orbit-b { width: 285px; height: 285px; border-style: dashed; opacity: 0.6; }
.orbit-c { width: 350px; height: 350px; opacity: 0.3; }
.open-call-copy { position: relative; z-index: 1; }
.section-kicker-light span:first-child { color: var(--lime); }
.open-call h2 { max-width: 560px; margin-bottom: 21px; color: var(--paper); }
.open-call-copy > p { max-width: 520px; margin-bottom: 24px; color: rgba(245, 240, 228, 0.72); font-size: 17px; }

.protocol-list {
  display: grid;
  gap: 0;
  max-width: 480px;
  margin: 0 0 29px;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(245, 240, 228, 0.25);
}

.protocol-list li { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(245, 240, 228, 0.18); }
.protocol-list li span:first-child { color: var(--lime); }

.open-call-stamp {
  position: relative;
  z-index: 1;
  color: var(--lime);
  font: 11px/1.45 var(--mono);
  letter-spacing: 0.07em;
  transform: rotate(-8deg);
}

.open-call-stamp span { color: rgba(245, 240, 228, 0.62); font-size: 8px; }

.site-footer { padding-block: 42px 27px; }

.footer-brand,
.footer-meta,
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; }

.footer-brand { margin-bottom: 72px; font-size: 13px; }
.footer-mark { font: 900 25px/1 var(--display); letter-spacing: -0.08em; }
.footer-meta { justify-content: flex-start; padding-bottom: 22px; border-bottom: 1px solid var(--line); color: var(--muted); }
.footer-meta a { color: var(--ink); }
.footer-meta a:hover,
.footer-meta a:focus-visible { color: var(--orange); }
.footer-bottom { padding-top: 22px; color: var(--muted); }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

@media (max-width: 1050px) {
  .brand-status { display: none; }
  .hero { gap: 6%; }
  .hero-art { box-shadow: 12px 12px 0 var(--orange); }
  .open-call { gap: 5%; }
}

@media (max-width: 900px) {
  .section-shell,
  .site-header,
  .signal-strip-inner { width: min(100% - 40px, 700px); }

  .site-header { min-height: 78px; }
  .brand-detail { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; gap: 10px; padding: 8px 0; color: var(--ink); border: 0; background: transparent; font: 10px var(--mono); text-transform: uppercase; }
  .nav-toggle-icon { display: grid; gap: 5px; width: 20px; }
  .nav-toggle-icon i { display: block; height: 1px; background: var(--ink); transition: transform 160ms ease; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon i:first-child { transform: translateY(3px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-icon i:last-child { transform: translateY(-3px) rotate(-45deg); }

  .site-nav {
    position: absolute;
    z-index: 3;
    top: 77px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    background: var(--paper);
    box-shadow: 0 15px 30px rgba(9, 19, 41, 0.12);
  }

  .site-nav.is-open { display: flex; flex-direction: column; }
  .site-nav a { padding: 14px; border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta { margin-top: 8px; border: 0; text-align: center; }
  .hero { grid-template-columns: 1fr; gap: 58px; min-height: 0; padding-block: 75px 90px; }
  .hero-art { min-height: 470px; max-width: 640px; }
  .premise-grid,
  .explore-layout { gap: 45px; }
  .field-images { grid-template-columns: minmax(0, 1.12fr) minmax(240px, 0.88fr); }
  .open-call { grid-template-columns: 180px minmax(0, 1fr); gap: 45px; }
  .open-call-stamp { display: none; }
}

@media (max-width: 600px) {
  .section-shell,
  .site-header,
  .signal-strip-inner { width: calc(100% - 32px); }

  .hero { padding-block: 60px 73px; }
  h1 { font-size: clamp(51px, 15vw, 75px); }
  .hero-lede { font-size: 17px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-facts { margin-top: 29px; }
  .hero-facts dd { font-size: 10px; }
  .hero-art { min-height: 390px; padding-inline: 17px; box-shadow: 9px 9px 0 var(--orange); }
  .hero-art::after { top: 51px; width: 63px; }
  .art-title { max-width: 250px; margin-top: 55px; font-size: 47px; }
  .art-diagram { inset: 30% 3% 15%; }
  .art-flag { right: 17px; bottom: 59px; left: 17px; }
  .art-flag img { width: 105px; height: 63px; }
  .ring-two { width: 285px; height: 285px; }
  .ring-one { width: 195px; height: 195px; }
  .diagram-node { font-size: 9px; }
  .node-two { right: 0; }
  .signal-strip-inner { min-height: 112px; gap: 17px; }
  .signal-strip p { font-size: 18px; }
  .signal-strip p:first-child { max-width: 135px; }
  .signal-strip p:last-child { max-width: 122px; }
  .content-section { padding-block: 87px; }
  .section-kicker { margin-bottom: 42px; }
  .premise-grid,
  .section-heading-row,
  .explore-layout { grid-template-columns: 1fr; }
  .field-images { grid-template-columns: 1fr; gap: 12px; margin-top: 55px; }
  .field-image { min-height: 300px; }
  .field-image:hover img { transform: none; }
  .field-image figcaption { right: 15px; bottom: 14px; left: 15px; font-size: 9px; }
  .section-heading-row { gap: 26px; margin-bottom: 38px; }
  .premise-copy { font-size: 16px; }
  .principles-grid { grid-template-columns: 1fr; }
  .principle-card { min-height: 300px; }
  .principle-card:hover { box-shadow: none; transform: none; }
  .card-number { margin-bottom: 35px; }
  .card-icon { margin-bottom: 45px; }
  .explore-list { margin-top: 8px; }
  .explore-item { grid-template-columns: 26px 1fr; min-height: 71px; }
  .explore-item:hover { padding-inline: 0; background: transparent; }
  .item-status { grid-column: 2; margin-top: -33px; text-align: right; }
  .open-call { grid-template-columns: 1fr; gap: 45px; min-height: 0; padding-block: 65px; }
  .open-call-art { min-height: 190px; }
  .open-call-art img { width: 135px; height: 135px; border-radius: 23px; box-shadow: 9px 9px 0 var(--orange); }
  .orbit-a { width: 180px; height: 180px; }
  .orbit-b { width: 235px; height: 235px; }
  .orbit-c { width: 290px; height: 290px; }
  .footer-brand,
  .footer-meta,
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-brand { gap: 7px; margin-bottom: 45px; }
  .footer-meta { gap: 13px; }
  .footer-bottom { gap: 10px; }
}

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