@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--x-black);
  color: var(--x-text);
  font-family: var(--x-font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--x-green);
  color: var(--x-black);
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ---------- layout shell ---------- */
.page {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.field__node {
  position: absolute;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--x-border);
  background: radial-gradient(circle at 35% 30%, rgba(95, 202, 69, 0.10), transparent 70%);
  opacity: .55;
  animation: drift 18s ease-in-out infinite;
}
@keyframes drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@media (prefers-reduced-motion: reduce) {
  .field__node { animation: none; }
}

/* ---------- header ---------- */
.header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--x-border);
  background: rgba(10, 12, 10, 0.8);
  backdrop-filter: blur(6px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--x-font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  text-decoration: none;
  min-height: var(--x-tap-min);
}
.brand__mark { width: 26px; height: 26px; flex: none; }

.nav {
  display: none;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  color: var(--x-text-dim);
}
@media (min-width: 720px) {
  .nav { display: flex; }
}
.nav a[aria-disabled="true"] {
  color: var(--x-text-faint);
  pointer-events: none;
  text-decoration: none;
}

.header__right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.socials {
  display: flex;
  align-items: center;
  gap: 4px;
}
.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--x-tap-min);
  height: var(--x-tap-min);
  border-radius: var(--x-radius-sm);
  color: var(--x-text);
  text-decoration: none;
}
.social-icon__glyph { width: 18px; height: 18px; }
.social-icon:hover { background: var(--x-surface-raised); }
.social-icon[data-state="unconfirmed"],
.social-icon[data-state="absent"] {
  color: var(--x-text-faint);
  cursor: not-allowed;
}
.social-icon[data-state="unconfirmed"]:hover,
.social-icon[data-state="absent"]:hover { background: none; }

/* ---------- contract bar ---------- */
.ca-bar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 16px;
  border-bottom: 1px solid var(--x-border);
  background: var(--x-surface);
  min-height: var(--x-tap-min);
}
.ca-bar__label {
  font-family: var(--x-font-mono);
  font-size: 12px;
  color: var(--x-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.ca-bar__value {
  font-family: var(--x-font-mono);
  font-size: 15px;
  background: none;
  border: none;
  color: var(--x-green);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--x-radius-sm);
  min-height: var(--x-tap-min);
  word-break: break-all;
}
.ca-bar__value:hover { background: var(--x-surface-raised); }
.ca-bar__value--inert {
  color: var(--x-text-faint);
  cursor: default;
}
.ca-bar__value--inert:hover { background: none; }
.ca-bar__copied {
  font-size: 12px;
  color: var(--x-green);
  min-width: 52px;
  text-align: left;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 56px 20px 40px;
  gap: 20px;
}

.hero__eyebrow {
  font-family: var(--x-font-mono);
  font-size: 13px;
  color: var(--x-text-dim);
  letter-spacing: 0.04em;
}

.hero__title {
  font-family: var(--x-font-display);
  font-weight: 700;
  font-size: clamp(28px, 6vw, 52px);
  line-height: 1.12;
  max-width: 20em;
  margin: 0;
}
.hero__title em {
  font-style: normal;
  color: var(--x-green);
}

.hero__sub {
  max-width: 40em;
  color: var(--x-text-dim);
  font-size: clamp(14px, 2vw, 16px);
  line-height: 1.6;
  margin: 0;
}

/* stat tiles */
.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 6px;
}
.stat-tile {
  border: 1px solid var(--x-border);
  background: var(--x-surface);
  border-radius: var(--x-radius-md);
  padding: 10px 18px;
  min-width: 120px;
  min-height: var(--x-tap-min);
}
.stat-tile__value {
  display: block;
  font-family: var(--x-font-display);
  font-weight: 600;
  font-size: 16px;
}
.stat-tile__label {
  display: block;
  font-size: 11px;
  color: var(--x-text-faint);
  margin-top: 2px;
}
.stat-tile[data-tone="live"] .stat-tile__value { color: var(--x-green); }
.stat-tile[data-tone="checking"] .stat-tile__value { color: var(--x-text-dim); }
.stat-tile[data-tone="unreachable"] .stat-tile__value { color: var(--x-danger); }

/* ctas */
.ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--x-tap-min);
  padding: 0 22px;
  border-radius: var(--x-radius-full);
  font-family: var(--x-font-body);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid var(--x-border);
  background: var(--x-surface);
  color: var(--x-text);
  cursor: pointer;
  text-decoration: none;
}
.btn--primary {
  background: var(--x-green);
  border-color: var(--x-green);
  color: var(--x-black);
}
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn__hint {
  display: block;
  font-size: 11px;
  color: var(--x-text-faint);
  margin-top: 6px;
}

/* ---------- gate demo ---------- */
.gate-demo {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 520px;
  margin: 8px auto 0;
  border: 1px solid var(--x-border);
  border-radius: var(--x-radius-md);
  background: var(--x-surface);
  padding: 16px;
  text-align: left;
}
.gate-demo__title {
  font-family: var(--x-font-display);
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
}
.gate-demo__copy {
  font-size: 12.5px;
  color: var(--x-text-dim);
  margin: 0 0 10px;
  line-height: 1.5;
}
.gate-demo__row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.gate-demo__row input {
  flex: 1;
  min-width: 0;
  min-height: var(--x-tap-min);
  background: var(--x-black);
  border: 1px solid var(--x-border);
  border-radius: var(--x-radius-sm);
  color: var(--x-text);
  font-family: var(--x-font-mono);
  font-size: 13px;
  padding: 0 12px;
}
.gate-demo__result {
  margin-top: 10px;
  font-size: 13px;
  font-family: var(--x-font-mono);
  min-height: 1.4em;
}
.gate-demo__result[data-state="pass"] { color: var(--x-green); }
.gate-demo__result[data-state="fail"] { color: var(--x-text-dim); }

/* ---------- chain facts ---------- */
.chain-facts {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--x-border);
  padding: 24px 20px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  font-size: 13px;
  color: var(--x-text-dim);
}
.chain-facts dl {
  display: grid;
  grid-template-columns: auto auto;
  gap: 4px 14px;
  margin: 0;
  font-family: var(--x-font-mono);
  font-size: 12.5px;
}
.chain-facts dt { color: var(--x-text-faint); text-align: right; }
.chain-facts dd { margin: 0; text-align: left; color: var(--x-text); word-break: break-all; }

.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--x-border);
  padding: 16px 20px;
  text-align: center;
  font-size: 12px;
  color: var(--x-text-faint);
}