:root {
  color-scheme: dark;
  --bg: #111416;
  --panel: #191e21;
  --panel-2: #20272b;
  --text: #f5f2eb;
  --muted: #b7c0bc;
  --line: #354044;
  --rust: #d56b2f;
  --teal: #4fc6b3;
  --gold: #dac16a;
  --shadow: rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 40px;
  background: rgba(17, 20, 22, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
}

.mark {
  width: 28px;
  height: 28px;
  border: 2px solid var(--teal);
  border-radius: 7px;
  box-shadow: inset 0 0 0 6px rgba(79, 198, 179, 0.14), 0 0 0 1px rgba(255, 255, 255, 0.08);
  transform: rotate(45deg);
}

nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

nav a,
.button {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.94rem;
}

nav a:hover,
.button:hover {
  border-color: rgba(79, 198, 179, 0.76);
}

.hero {
  position: relative;
  min-height: 78vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 86px 40px 72px;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(17, 20, 22, 0.96) 0%, rgba(17, 20, 22, 0.82) 50%, rgba(17, 20, 22, 0.62) 100%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 86px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.026) 0 1px, transparent 1px 86px);
}

.hero-content {
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(3.8rem, 11vw, 8.8rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.lede {
  width: min(680px, 100%);
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button.primary {
  background: var(--rust);
  border-color: var(--rust);
  color: #160d08;
  font-weight: 800;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
}

.network-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.node,
.line {
  position: absolute;
  display: block;
}

.node {
  width: clamp(44px, 6vw, 78px);
  aspect-ratio: 1;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(135deg, rgba(79, 198, 179, 0.4), rgba(213, 107, 47, 0.34));
  box-shadow: 0 20px 50px var(--shadow), inset 0 0 0 10px rgba(255, 255, 255, 0.04);
  transform: rotate(45deg);
}

.node-a { right: 24%; top: 20%; }
.node-b { right: 10%; top: 42%; width: clamp(34px, 4vw, 54px); }
.node-c { right: 34%; top: 60%; width: clamp(30px, 4vw, 52px); }
.node-d { right: 8%; top: 16%; width: clamp(26px, 3vw, 46px); background: linear-gradient(135deg, rgba(218, 193, 106, 0.42), rgba(79, 198, 179, 0.22)); }
.node-e { right: 45%; top: 34%; width: clamp(24px, 3vw, 42px); background: linear-gradient(135deg, rgba(213, 107, 47, 0.42), rgba(218, 193, 106, 0.24)); }

.line {
  height: 2px;
  transform-origin: left center;
  background: linear-gradient(90deg, transparent, rgba(79, 198, 179, 0.72), transparent);
}

.line-a { width: 260px; right: 13%; top: 34%; transform: rotate(26deg); }
.line-b { width: 260px; right: 22%; top: 53%; transform: rotate(-18deg); }
.line-c { width: 180px; right: 7%; top: 27%; transform: rotate(68deg); }
.line-d { width: 210px; right: 37%; top: 41%; transform: rotate(35deg); }

.statement {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  gap: 42px;
  padding: 70px 40px;
  background: #15191b;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.statement > div,
.section-heading,
.roadmap,
.research-grid {
  width: min(1180px, 100%);
  margin-inline: auto;
}

.statement p {
  color: var(--muted);
  font-size: 1.08rem;
}

.rule-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rule-list li,
.roadmap li,
.research-grid article {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.18);
}

.rule-list li {
  padding: 14px 16px;
}

.grid-section {
  padding: 78px 40px;
}

.grid-section + .grid-section {
  padding-top: 26px;
}

.section-heading {
  margin-bottom: 26px;
}

.roadmap {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-block: 0;
  padding: 0;
  list-style: none;
}

.roadmap li {
  min-height: 260px;
  padding: 22px;
}

.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  border: 1px solid rgba(79, 198, 179, 0.45);
  border-radius: 50%;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 800;
}

.roadmap p,
.research-grid p {
  color: var(--muted);
  margin-bottom: 0;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.research-grid article {
  padding: 24px;
  background: var(--panel-2);
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 22px;
  padding: 30px 40px 42px;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

footer span:first-child {
  color: var(--text);
  font-weight: 800;
}

@media (max-width: 980px) {
  .site-header,
  .statement {
    grid-template-columns: 1fr;
  }

  .site-header {
    position: static;
    align-items: flex-start;
    padding: 20px;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero,
  .statement,
  .grid-section {
    padding-inline: 20px;
  }

  .roadmap,
  .research-grid {
    grid-template-columns: 1fr;
  }

  .roadmap li {
    min-height: auto;
  }

  .network-visual {
    opacity: 0.58;
  }
}

@media (max-width: 620px) {
  nav a,
  .button {
    width: 100%;
    text-align: center;
  }

  nav,
  .actions {
    width: 100%;
  }

  h1 {
    font-size: clamp(3.1rem, 18vw, 4.6rem);
  }

  .node-a { right: 18%; top: 18%; }
  .node-b { right: 2%; top: 38%; }
  .node-c { right: 22%; top: 66%; }
  .node-d,
  .node-e,
  .line-c,
  .line-d {
    display: none;
  }
}