:root {
  --blue: #006cff;
  --orange: #ff6a00;
  --ink: #050505;
  --paper: #ffffff;
  --soft: #f6f6f2;
  --muted: #5f646d;
  --border: #d9e0ea;
  --max: 1200px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin-top: 0; }

.container {
  width: min(calc(100vw - 48px), var(--max));
  margin: 0 auto;
}
.brand-blue { background: var(--blue); color: var(--paper); }
.brand-black { background: var(--ink); color: var(--paper); }

.site-header {
  position: fixed;
  z-index: 50;
  top: 24px;
  left: 50%;
  width: min(calc(100vw - 48px), var(--max));
  transform: translateX(-50%);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  min-height: 64px;
  padding: 8px 8px 8px 24px;
  border: 1px solid rgba(5,5,5,.12);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 42px rgba(5,5,5,.10);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 950;
  letter-spacing: -.03em;
}
.brand-symbol { color: var(--blue); }
.brand-divider { width: 1px; height: 24px; background: var(--border); }
.brand-product { color: var(--ink); }
.nav-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 900;
}

.hero {
  min-height: 780px;
  padding: 112px 0 72px;
}
.hero-grid {
  min-height: 596px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 72px;
  align-items: center;
}
.kicker {
  margin-bottom: 24px;
  color: currentColor;
  font-size: 14px;
  line-height: 1;
  font-weight: 950;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .78;
}
.kicker.dark { color: var(--blue); opacity: 1; }
h1, h2 {
  font-family: Georgia, "Times New Roman", Times, serif;
  font-weight: 900;
  letter-spacing: -.065em;
  text-wrap: balance;
}
h1 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(56px, 6.8vw, 96px);
  line-height: .94;
}
h2 {
  margin-bottom: 28px;
  font-size: clamp(48px, 6.2vw, 92px);
  line-height: .96;
}
.hero-lede {
  max-width: 720px;
  margin-bottom: 32px;
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.38;
  font-weight: 750;
}
.actions { display: flex; flex-wrap: wrap; gap: 16px; }
.button {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 950;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: var(--paper); box-shadow: 0 18px 42px rgba(0,0,0,.20); }
.button-light { background: var(--paper); color: var(--ink); }
.button-outline { border: 1px solid rgba(255,255,255,.42); color: var(--paper); }
.hero-panel {
  padding: 34px;
  border: 4px solid var(--paper);
  background: var(--paper);
  color: var(--ink);
}
.hero-panel span {
  display: block;
  margin-bottom: 24px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.hero-panel strong {
  display: block;
  margin-bottom: 24px;
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: 46px;
  line-height: .96;
  letter-spacing: -.055em;
}
.hero-panel p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.section { padding: 144px 0; }
.two-column, .strip-grid, .roadmap-grid, .contributors-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1fr);
  gap: 88px;
  align-items: start;
}
.section-body p,
.strip-grid > p,
.contributors-grid p {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 22px;
  line-height: 1.62;
  font-weight: 550;
}
.strip { padding: 128px 0; }
.strip-grid > p,
.contributors-grid p { color: rgba(255,255,255,.76); }
.section-heading { max-width: 940px; margin-bottom: 64px; }
.section-heading.light h2 { color: var(--paper); }
.architecture { background: var(--soft); }
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 2px solid var(--ink);
  border-left: 2px solid var(--ink);
}
.architecture-grid article {
  min-height: 390px;
  padding: 32px 24px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
}
.architecture-grid article:nth-child(2n) { background: #fbfbf7; }
.architecture-grid span {
  display: block;
  margin-bottom: 40px;
  color: var(--orange);
  font-weight: 950;
  letter-spacing: .16em;
}
h3 {
  margin-bottom: 18px;
  font-size: 28px;
  line-height: 1.08;
  letter-spacing: -.04em;
}
.architecture-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}
.data-path { padding: 136px 0; }
.path-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 16px;
}
.path-row div {
  min-height: 168px;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--paper);
  color: var(--blue);
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: clamp(32px, 3.8vw, 54px);
  line-height: .95;
  font-weight: 900;
  letter-spacing: -.055em;
  text-align: center;
}
.path-row span {
  align-self: center;
  color: var(--paper);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: .14em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.table-wrap {
  overflow-x: auto;
  border: 2px solid var(--ink);
  background: var(--paper);
}
table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
}
th, td {
  padding: 28px 24px;
  text-align: left;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  vertical-align: top;
}
th:last-child, td:last-child { border-right: 0; }
tr:last-child th, tr:last-child td { border-bottom: 0; }
thead th {
  background: var(--blue);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
tbody th { width: 18%; font-size: 18px; }
tbody td { color: var(--muted); font-size: 17px; line-height: 1.5; }
tbody td:last-child { color: var(--ink); font-weight: 850; }
.roadmap { background: var(--soft); }
.roadmap-list {
  counter-reset: roadmap;
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 2px solid var(--ink);
}
.roadmap-list li {
  counter-increment: roadmap;
  position: relative;
  padding: 28px 0 28px 84px;
  border-bottom: 2px solid var(--ink);
  color: var(--ink);
  font-size: 24px;
  line-height: 1.35;
  font-weight: 800;
}
.roadmap-list li::before {
  content: counter(roadmap, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 29px;
  color: var(--orange);
  font-size: 16px;
  font-weight: 950;
  letter-spacing: .16em;
}
.contributors { padding: 144px 0; }
.contributors .actions { margin-top: 36px; }

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .62s var(--ease), transform .62s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1060px) {
  .hero-grid, .two-column, .strip-grid, .roadmap-grid, .contributors-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-panel { max-width: 560px; }
  .architecture-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .architecture-grid article { min-height: 280px; }
  .path-row { grid-template-columns: 1fr; }
  .path-row span { writing-mode: initial; text-align: center; }
}
@media (max-width: 760px) {
  .site-header { top: 12px; width: calc(100vw - 24px); grid-template-columns: 1fr auto; padding-left: 16px; }
  .nav-links { display: none; }
  .container { width: min(calc(100vw - 32px), var(--max)); }
  .hero { padding-top: 124px; }
  h1 { font-size: 58px; }
  h2 { font-size: 44px; }
  .hero-lede, .section-body p, .strip-grid > p, .contributors-grid p { font-size: 19px; }
  .hero-panel { padding: 28px; }
  .hero-panel strong { font-size: 40px; }
  .section { padding: 96px 0; }
  .architecture-grid { grid-template-columns: 1fr; }
  .roadmap-list li { padding-left: 60px; font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}