:root {
  --bg:        #0b1726;
  --bg-soft:   #102236;
  --panel:     rgba(18, 32, 52, 0.7);
  --panel-strong: rgba(22, 40, 64, 0.86);
  --line:      rgba(73, 220, 169, 0.18);
  --line-soft: rgba(73, 220, 169, 0.1);
  --green:     #49dca9;
  --green-soft: rgba(73, 220, 169, 0.16);
  --blue:      #49c6ff;
  --blue-soft: rgba(73, 198, 255, 0.16);
  --text:      #eaf3ff;
  --muted:     #93a8c2;
  --dim:       #6c8099;
  --shadow:    0 18px 40px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }

html, body { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background:
    radial-gradient(ellipse 80% 40% at 50% 0%, rgba(73, 220, 169, 0.16), transparent 65%),
    radial-gradient(ellipse 50% 30% at 88% 20%, rgba(73, 198, 255, 0.12), transparent 65%),
    radial-gradient(ellipse 60% 32% at 50% 110%, rgba(8, 14, 24, 0.7), transparent 60%),
    linear-gradient(180deg, #0b1726 0%, #0f2034 50%, #0b1726 100%);
  background-attachment: fixed;
}

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

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* BAR */
.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 23, 38, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
  flex-wrap: wrap;
}
.brand-link { display: inline-flex; align-items: center; gap: 10px; }
.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px var(--green);
}
.brand-name {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--text);
}
.bar-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.bar-nav a {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 160ms ease;
}
.bar-nav a:hover, .bar-nav a:focus-visible { color: var(--green); }

/* HERO */
.hero { padding: 64px 0 56px; }
.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid rgba(73, 220, 169, 0.36);
  border-radius: 999px;
}
.hero h1 {
  margin: 6px 0 14px;
  font-size: clamp(2.4rem, 7vw, 3.8rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--text);
  text-shadow: 0 0 38px rgba(73, 220, 169, 0.32);
}
.lead {
  margin: 0 0 14px;
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--green);
}
.sub {
  margin: 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--muted);
}

/* BLOCKS */
.block { padding: 56px 0; }
.block-alt { background: linear-gradient(180deg, transparent, rgba(15, 32, 52, 0.6) 50%, transparent); }
.kicker {
  margin: 0 0 6px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue);
}
.block h2 {
  margin: 0 0 14px;
  font-size: clamp(1.6rem, 4.4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.012em;
}
.block-lead {
  margin: 0 0 28px;
  max-width: 68ch;
  line-height: 1.6;
  color: var(--muted);
}

/* DIAGRAM */
.diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 28px 18px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.node {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 20px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 16px;
  min-width: 240px;
  text-align: center;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.node a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.node:hover, .node a:hover {
  transform: translateY(-1px);
  border-color: var(--green);
  box-shadow: 0 12px 28px rgba(73, 220, 169, 0.22);
}
.node-name {
  font-weight: 900;
  font-size: 1.04rem;
  color: var(--text);
}
.node-sub {
  font-size: 0.82rem;
  color: var(--muted);
}
.node-self {
  border-color: rgba(73, 220, 169, 0.6);
  box-shadow: 0 0 32px rgba(73, 220, 169, 0.22);
}
.node-self .node-name { color: var(--green); }
.arrow {
  width: 2px;
  height: 32px;
  background: linear-gradient(180deg, var(--green), rgba(73, 220, 169, 0));
}
.legal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  width: 100%;
  max-width: 560px;
}
@media (min-width: 680px) {
  .legal-grid { grid-template-columns: 1fr 1fr 1fr; }
}
.legal-node {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 14px;
  text-align: left;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.legal-node:hover, .legal-node:focus-visible {
  transform: translateY(-1px) scale(1.02);
  border-color: var(--green);
  box-shadow: 0 10px 22px rgba(73, 220, 169, 0.2);
}
.legal-name { font-weight: 800; font-size: 0.96rem; color: var(--text); }
.legal-sub  { font-size: 0.8rem; color: var(--muted); }
.diagram-foot {
  margin: 8px 0 0;
  font-size: 0.84rem;
  color: var(--dim);
  letter-spacing: 0.01em;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 8px 0 28px;
}
@media (min-width: 720px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}
.card {
  padding: 18px 18px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.01em;
}
.card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--muted);
}

/* TRUST */
.trust {
  margin-top: 22px;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.trust h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--blue);
}
.trust p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--text);
}
.trust p strong { color: var(--green); }
.trust p em { color: var(--muted); font-style: italic; }
.trust .quiet { color: var(--muted); font-size: 0.88rem; }
.trust .quiet a {
  color: var(--green);
  border-bottom: 1px dotted rgba(73, 220, 169, 0.45);
}
.trust .quiet a:hover, .trust .quiet a:focus-visible { color: #6ff0c2; border-color: var(--green); }

/* FOOTER */
.footer {
  margin-top: 40px;
  padding: 36px 0 48px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(8, 16, 26, 0.6) 60%, rgba(8, 16, 26, 0.85) 100%);
}
.footer .wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
}
.footer-line { margin: 0; color: var(--text); font-weight: 600; }
.footer-line strong { color: var(--green); font-weight: 900; }
.footer-sub  { margin: 0; color: var(--muted); font-size: 0.86rem; }
.footer-by   { margin: 4px 0 0; color: var(--muted); font-size: 0.84rem; }
.footer-by a {
  color: var(--green);
  font-weight: 700;
  border-bottom: 1px dotted rgba(73, 220, 169, 0.45);
}
.footer-by a:hover, .footer-by a:focus-visible { color: #6ff0c2; }

@media (prefers-reduced-motion: reduce) {
  .node, .legal-node { transition: none; }
}