:root {
  color-scheme: dark;
  --bg: #06070b;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(255, 255, 255, 0.075);
  --surface: #0d1017;
  --text: #f7f8f8;
  --muted: #a3aab8;
  --dim: #697080;
  --border: rgba(255, 255, 255, 0.09);
  --border-soft: rgba(255, 255, 255, 0.055);
  --blue: #0052ff;
  --indigo: #5e6ad2;
  --violet: #7170ff;
  --cyan: #5eead4;
  --green: #10b981;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.44);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-feature-settings: 'cv01', 'ss03';
  background:
    radial-gradient(circle at 20% -10%, rgba(0, 82, 255, 0.24), transparent 32rem),
    radial-gradient(circle at 80% 10%, rgba(113, 112, 255, 0.18), transparent 30rem),
    radial-gradient(circle at 50% 48rem, rgba(94, 234, 212, 0.08), transparent 36rem),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
p { margin: 0; }

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .09;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 250 250' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 16px 20px 0;
}

.nav-shell {
  max-width: var(--max);
  margin: 0 auto;
  height: 62px;
  padding: 0 12px 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(7, 9, 14, 0.72);
  backdrop-filter: blur(22px);
  box-shadow: 0 10px 35px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.06);
}

.brand, .nav-links, .nav-cta, .button { position: relative; z-index: 1; }
.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 0 28px rgba(0,82,255,.35);
}

.nav-links {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
}

.section-wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero {
  min-height: 790px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 58px;
  align-items: center;
  padding: 98px 0 74px;
}

.eyebrow, .section-kicker {
  color: var(--cyan);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; color: #c5d0ff; }
.eyebrow span {
  width: 8px; height: 8px; border-radius: 999px; background: var(--green); box-shadow: 0 0 18px var(--green);
}

h1, h2, h3 { margin: 0; letter-spacing: -0.055em; }
h1 {
  max-width: 760px;
  font-size: clamp(54px, 7.2vw, 94px);
  line-height: .93;
  font-weight: 510;
}
h2 {
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1;
  font-weight: 510;
}
h3 {
  font-size: 22px;
  line-height: 1.15;
  font-weight: 590;
  letter-spacing: -0.028em;
}

.hero-lede {
  max-width: 660px;
  margin-top: 28px;
  color: #d0d6e0;
  font-size: clamp(20px, 2.1vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.025em;
}
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 19px;
  border-radius: 999px;
  font-weight: 590;
  font-size: 15px;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary {
  background: linear-gradient(135deg, var(--blue), var(--violet));
  box-shadow: 0 16px 38px rgba(0,82,255,.28);
}
.button.secondary {
  background: rgba(255,255,255,.035);
  border: 1px solid var(--border);
  color: #dce2ee;
}
.authors {
  margin-top: 22px;
  color: var(--dim);
  font-size: 14px;
}

.hero-panel {
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  padding: 16px;
  transform: perspective(1100px) rotateY(-7deg) rotateX(4deg);
}
.panel-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 8px 16px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}
.panel-topbar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.22); }
.panel-topbar strong { margin-left: auto; font-weight: 500; color: #d0d6e0; }
.message-card {
  padding: 20px;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  background: rgba(5, 8, 14, .72);
}
.message-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,.055);
  color: var(--muted);
}
.message-row:last-child { border-bottom: 0; }
code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  color: #e7ebff;
  font-size: 12px;
}
.state-flow {
  margin: 16px 0;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  background: rgba(255,255,255,.03);
}
.state-flow span {
  white-space: nowrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: #c5d0ff;
}
.state-flow i { height: 1px; min-width: 22px; flex: 1; background: linear-gradient(90deg, var(--violet), transparent); }
.commitment-root {
  border: 1px solid rgba(94,234,212,.18);
  border-radius: 18px;
  padding: 16px;
  background: rgba(94,234,212,.055);
}
.commitment-root small { display: block; color: var(--cyan); margin-bottom: 6px; font-family: 'JetBrains Mono', monospace; }

.trusted-strip {
  margin-top: -18px;
  padding: 24px 28px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.035);
  border: 1px solid var(--border-soft);
  color: #c4cbd9;
  font-size: 18px;
  text-align: center;
}

.split-section {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
  padding: 120px 0 64px;
}
.section-kicker { margin-bottom: 16px; }
.body-copy {
  display: grid;
  gap: 18px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 112px;
}
.feature-card, .workflow-card {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.026));
  padding: 26px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}
.feature-card p, .workflow-card p { color: var(--muted); margin-top: 14px; }
.icon {
  display: inline-flex;
  color: var(--cyan);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  margin-bottom: 52px;
}

.dark-band {
  padding: 96px 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)),
    #080a10;
  border-block: 1px solid var(--border-soft);
}
.dark-band h2 { max-width: 890px; }
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 42px;
}
.architecture-grid article {
  display: grid;
  gap: 10px;
  min-height: 150px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255,255,255,.035);
  padding: 22px;
}
.architecture-grid strong { font-size: 18px; }
.architecture-grid span { color: var(--muted); }

.workflow-section { padding: 112px 0 78px; }
.workflow-section h2 { max-width: 750px; }
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 38px;
}
.workflow-card { min-height: 240px; }

.security-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  padding: 32px;
  border: 1px solid rgba(0,82,255,.22);
  border-radius: 30px;
  background:
    radial-gradient(circle at 10% 10%, rgba(0,82,255,.18), transparent 26rem),
    rgba(255,255,255,.04);
}
.security-list { display: grid; gap: 12px; }
.security-list div {
  padding: 18px;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  background: rgba(0,0,0,.16);
}
.security-list span { color: var(--text); font-weight: 590; }
.security-list p { color: var(--muted); margin-top: 6px; }

.roadmap-section { padding: 112px 0; }
.roadmap-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}
.roadmap-header h2 { max-width: 780px; }
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 42px;
}
.timeline div {
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 22px;
  background: rgba(255,255,255,.032);
}
.timeline span {
  color: var(--cyan);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}
.timeline strong { display: block; margin: 14px 0 8px; font-size: 18px; }
.timeline p { color: var(--muted); }

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 44px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(0,82,255,.22), rgba(113,112,255,.14));
  border: 1px solid rgba(255,255,255,.1);
}
.final-cta h2 { max-width: 760px; }
.final-cta p { max-width: 720px; margin-top: 18px; color: #d0d6e0; font-size: 18px; }
.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 44px 0 60px;
  color: var(--dim);
  font-size: 14px;
}

@media (max-width: 980px) {
  .hero, .split-section, .security-section { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 80px; }
  .hero-panel { transform: none; }
  .feature-grid, .architecture-grid, .workflow-grid, .timeline { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}

@media (max-width: 640px) {
  .section-wrap { width: min(100% - 28px, var(--max)); }
  .site-header { padding-inline: 12px; }
  .nav-shell { padding-left: 12px; height: 56px; }
  .brand span:last-child { display: none; }
  .hero { padding-top: 62px; gap: 34px; }
  h1 { font-size: 50px; }
  h2 { font-size: 35px; }
  .hero-lede, .body-copy { font-size: 17px; }
  .feature-grid, .architecture-grid, .workflow-grid, .timeline { grid-template-columns: 1fr; }
  .split-section, .workflow-section, .roadmap-section { padding-block: 72px; }
  .trusted-strip { margin-top: 0; font-size: 16px; }
  .roadmap-header, .final-cta, .footer { flex-direction: column; align-items: flex-start; }
  .security-section, .final-cta { padding: 24px; }
  .state-flow { flex-wrap: wrap; }
}