/* =========================================================
   CURS3D — Quantum-resistant L1
   Single stylesheet
   ========================================================= */

:root {
  /* color */
  --bg: #08090b;
  --bg-1: #0c0e11;
  --bg-2: #11141a;
  --line: #1c1f25;
  --line-2: #262a32;
  --fg: #e8e4d8;
  --fg-1: #b8b5ad;
  --mute: #7a7d85;
  --mute-2: #4a4d54;
  --accent: #22d3ee;          /* cyan */
  --accent-soft: #22d3ee22;
  --gold: #d4af37;
  --green: #4ade80;
  --red: #f87171;

  /* type */
  --display: 'Space Grotesk', system-ui, sans-serif;
  --body: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  /* spacing scale */
  --pad-x: clamp(20px, 4vw, 64px);
  --max: 1440px;

  /* radii */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
}

/* reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--accent); color: #001014; }

/* page background — subtle grid + radial */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 600px at 80% -10%, rgba(34,211,238,.06), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(212,175,55,.04), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

/* layout */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  position: relative;
  z-index: 1;
}

main { position: relative; z-index: 1; }

/* ================ NAV ================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(8,9,11,.55);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; gap: 28px;
  height: 64px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.logo-mark {
  width: 22px; height: 22px;
  position: relative;
  flex: 0 0 auto;
}
.logo-mark::before, .logo-mark::after {
  content: ""; position: absolute; inset: 0;
  border: 1.5px solid var(--fg);
}
.logo-mark::after {
  transform: rotate(45deg) scale(.7);
  border-color: var(--accent);
}
.logo small {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--mute);
  font-weight: 400;
  letter-spacing: .12em;
  margin-left: 2px;
}

.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-1);
  letter-spacing: .04em;
  position: relative;
  padding: 4px 0;
  transition: color .2s;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 2px;
  background: rgba(255,255,255,0.02);
}
.lang-toggle button {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 4px 10px;
  color: var(--mute);
  border-radius: 999px;
  transition: all .2s;
}
.lang-toggle button.active {
  background: var(--fg);
  color: #08090b;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  padding: 8px 14px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--fg);
  transition: all .2s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary {
  background: var(--fg); color: #08090b;
  border-color: var(--fg);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #001014; }
.btn .arrow {
  display: inline-block;
  transition: transform .2s;
}
.btn:hover .arrow { transform: translateX(2px); }

/* mobile nav */
.nav-burger { display: none; }
.mobile-nav { display: none; }
@media (max-width: 880px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-burger {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px;
    border: 1px solid var(--line-2);
    border-radius: 8px;
    margin-left: auto;
  }
  .nav-burger span {
    width: 14px; height: 1px; background: var(--fg);
    box-shadow: 0 -4px 0 var(--fg), 0 4px 0 var(--fg);
    transition: transform .2s ease, box-shadow .2s ease;
  }
  .nav.mobile-open .nav-burger span {
    transform: rotate(45deg);
    box-shadow: none;
  }
  .nav.mobile-open .nav-burger span::after {
    content: "";
    display: block;
    width: 14px;
    height: 1px;
    background: var(--fg);
    transform: rotate(90deg);
  }
  .mobile-nav {
    display: grid;
    gap: 2px;
    position: absolute;
    left: var(--pad-x);
    right: var(--pad-x);
    top: calc(100% + 10px);
    padding: 12px;
    border: 1px solid var(--line-2);
    border-radius: var(--r-lg);
    background: rgba(8,9,11,.94);
    box-shadow: 0 24px 80px rgba(0,0,0,.42);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav.mobile-open .mobile-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .mobile-nav a {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 10px 12px;
    border-radius: var(--r-md);
    color: var(--fg-1);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .04em;
  }
  .mobile-nav a:hover,
  .mobile-nav a.active {
    background: rgba(255,255,255,.045);
    color: var(--fg);
  }
}

/* ================ STATUS BAR ================ */
.statusbar {
  position: relative; z-index: 1;
  border-bottom: 1px solid var(--line);
  background: rgba(8,9,11,.4);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--mute);
  overflow: hidden;
}
.statusbar-inner {
  display: flex; gap: 32px;
  height: 32px; align-items: center;
  white-space: nowrap;
}
.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  display: inline-block; margin-right: 8px;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.status-item b {
  color: var(--fg);
  font-weight: 500;
  margin-left: 6px;
}
.statusbar-ticker {
  margin-left: auto;
  color: var(--mute-2);
  display: flex; gap: 24px;
}
@media (max-width: 720px) {
  .statusbar-inner { font-size: 10px; gap: 18px; }
  .statusbar-ticker { display: none; }
}

/* ================ HERO ================ */
.hero {
  position: relative;
  padding: clamp(60px, 10vh, 120px) 0 clamp(80px, 12vh, 160px);
  overflow: hidden;
}

.hero-canvas-wrap {
  position: absolute; inset: 0;
  z-index: 0;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 55%, black 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 55%, black 30%, transparent 85%);
}
#hero-canvas { width: 100%; height: 100%; }

.hero-content {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: end;
}
@media (max-width: 980px) {
  .hero-content { grid-template-columns: 1fr; gap: 56px; }
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mute);
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 32px;
}
.eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--accent);
}

.hero h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(44px, 7vw, 96px);
  line-height: .96;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 28px;
  text-wrap: balance;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  font-weight: 400;
  font-family: var(--display);
}
.hero h1 .strike {
  position: relative;
  color: var(--mute);
}
.hero h1 .strike::after {
  content: ""; position: absolute;
  left: -2%; right: -2%; top: 52%;
  height: 2px; background: var(--accent);
  transform-origin: left;
  animation: strike 1.2s 0.6s ease-out backwards;
}
@keyframes strike {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.hero p.lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--fg-1);
  max-width: 56ch;
  margin-bottom: 36px;
  text-wrap: pretty;
}

.hero-cta {
  display: flex; gap: 12px; flex-wrap: wrap;
}

/* hero stats card */
.hero-stats {
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 24px;
  font-family: var(--mono);
  position: relative;
}
.hero-stats::before {
  content: "";
  position: absolute; inset: -1px;
  border-radius: 14px;
  background: linear-gradient(135deg, transparent 40%, rgba(34,211,238,.4), transparent 60%);
  z-index: -1;
  opacity: .3;
  filter: blur(8px);
}
.hero-stats-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 10px; letter-spacing: .14em;
  color: var(--mute);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.hero-stats-head .live {
  display: inline-flex; align-items: center;
  color: var(--green);
}
.hero-stats-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4px 24px;
}
.hero-stat {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.hero-stat:nth-last-child(-n+2) { border-bottom: 0; }
.hero-stat-label {
  font-size: 10px; letter-spacing: .12em;
  color: var(--mute);
  margin-bottom: 6px;
}
.hero-stat-value {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.hero-stat-value.cyan { color: var(--accent); }
.hero-stat-sub {
  font-size: 10px; color: var(--mute-2);
  margin-top: 2px;
  letter-spacing: .04em;
}

/* hero floating chip */
.hero-meta-row {
  display: flex; gap: 24px;
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  flex-wrap: wrap;
}
.hero-meta-row span b { color: var(--fg); margin-left: 6px; }

/* ================ SECTIONS ================ */
section.block {
  padding: clamp(80px, 12vh, 140px) 0;
  border-top: 1px solid var(--line);
  position: relative;
}

.section-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  margin-bottom: 64px;
  align-items: start;
}
@media (max-width: 800px) {
  .section-head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
}
.section-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mute);
  padding-top: 10px;
}
.section-tag::before {
  content: "[ ";
  color: var(--accent);
}
.section-tag::after {
  content: " ]";
  color: var(--accent);
}
.section-title {
  font-family: var(--display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 500;
  letter-spacing: -.02em;
  line-height: 1.05;
  color: var(--fg);
  text-wrap: balance;
  max-width: 22ch;
}
.section-kicker {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .14em;
  margin-bottom: 14px;
  text-transform: uppercase;
}

/* WHY — manifesto */
.why-grid {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  gap: 40px;
}
@media (max-width: 980px) {
  .why-grid { grid-template-columns: 1fr; gap: 32px; }
}
.why-grid > .why-spacer { grid-column: 1 / 2; }
.why-text {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-1);
  max-width: 52ch;
}
.why-text p + p { margin-top: 18px; }
.why-text strong { color: var(--fg); font-weight: 500; }
.why-side {
  border-left: 1px solid var(--line);
  padding-left: 32px;
}
.why-side-title {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.timeline {
  display: flex; flex-direction: column; gap: 18px;
}
.timeline-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}
.timeline-row:last-child { border-bottom: 0; }
.timeline-year { color: var(--accent); }
.timeline-event { color: var(--fg-1); }
.timeline-event b { color: var(--fg); font-weight: 500; }

/* STACK */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
@media (max-width: 880px) {
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .stack-grid { grid-template-columns: 1fr; }
}
.stack-cell {
  background: var(--bg-1);
  padding: 28px;
  position: relative;
  transition: background .2s;
}
.stack-cell:hover { background: var(--bg-2); }
.stack-cell-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--mute-2);
  letter-spacing: .14em;
  margin-bottom: 32px;
}
.stack-cell-title {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.stack-cell-tech {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .04em;
  margin-bottom: 16px;
}
.stack-cell-desc {
  font-size: 13px;
  color: var(--fg-1);
  line-height: 1.55;
}

/* WHAT'S BUILT — metrics + code */
.built-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 980px) {
  .built-grid { grid-template-columns: 1fr; gap: 40px; }
}
.metric-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.metric {
  padding: 24px;
  background: var(--bg);
}
.metric-num {
  font-family: var(--display);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -.03em;
  color: var(--fg);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.metric-num small {
  font-size: 18px; color: var(--accent);
  margin-left: 4px;
}
.metric-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: .1em;
  margin-top: 12px;
}

/* code block */
.code-block {
  border: 1px solid var(--line-2);
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 12.5px;
  background: #07080a;
}
.code-head {
  display: flex; align-items: center;
  background: var(--bg-1);
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  gap: 10px;
}
.code-dots { display: flex; gap: 6px; }
.code-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--line-2);
}
.code-title {
  font-size: 11px;
  color: var(--mute);
  letter-spacing: .04em;
}
.code-copy {
  margin-left: auto;
  font-size: 10px;
  color: var(--mute);
  letter-spacing: .12em;
  padding: 4px 10px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  transition: all .2s;
}
.code-copy:hover { border-color: var(--accent); color: var(--accent); }
.code-copy.done { color: var(--green); border-color: var(--green); }
.code-body {
  padding: 18px 18px;
  line-height: 1.65;
  color: var(--fg-1);
  overflow-x: auto;
  white-space: pre;
  tab-size: 2;
}
.code-body .c-comment { color: var(--mute-2); font-style: italic; }
.code-body .c-key { color: var(--accent); }
.code-body .c-str { color: var(--gold); }
.code-body .c-num { color: #c4b5fd; }
.code-body .c-fn { color: #f0c987; }
.code-body .c-prompt { color: var(--accent); user-select: none; }

/* USE CASES */
.use-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
@media (max-width: 880px) {
  .use-cases { grid-template-columns: 1fr; }
}
.use-case {
  background: var(--bg-1);
  padding: 32px 28px;
  display: flex; flex-direction: column;
  min-height: 280px;
  position: relative;
  transition: background .2s;
}
.use-case:hover { background: var(--bg-2); }
.use-case-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--mute-2);
  letter-spacing: .14em;
}
.use-case-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  color: var(--fg);
  margin-top: 60px;
  margin-bottom: 14px;
  letter-spacing: -.01em;
}
.use-case-desc {
  font-size: 13.5px;
  color: var(--fg-1);
  line-height: 1.55;
}
.use-case-foot {
  margin-top: auto;
  padding-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .04em;
  display: flex; align-items: center; gap: 6px;
}

/* CURRENT STATE — table */
.state-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 880px) {
  .state-grid { grid-template-columns: 1fr; }
}
.state-table {
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
}
.state-row {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.state-key { color: var(--fg-1); }
.state-val { color: var(--fg); font-variant-numeric: tabular-nums; }
.state-val.ok { color: var(--green); }
.state-val.warn { color: var(--gold); }

.validators {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.validators-head {
  padding: 14px 18px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: .12em;
}
.validator {
  display: grid;
  grid-template-columns: 16px 1fr auto auto;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
}
.validator:last-child { border-bottom: 0; }
.validator-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
}
.validator-id { color: var(--fg); }
.validator-id span { color: var(--mute); margin-left: 8px; }
.validator-stake { color: var(--fg-1); }
.validator-uptime { color: var(--accent); }

/* CTA / FOOTER */
.cta-block {
  text-align: center;
  padding: clamp(80px, 12vh, 140px) 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.cta-block::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(34,211,238,.06), transparent 70%);
  pointer-events: none;
}
.cta-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.cta-title {
  font-family: var(--display);
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 400;
  letter-spacing: -.025em;
  line-height: 1;
  color: var(--fg);
  margin-bottom: 36px;
  text-wrap: balance;
}
.cta-title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 300;
}
.cta-actions {
  display: inline-flex; gap: 12px; flex-wrap: wrap;
  justify-content: center;
}

footer {
  border-top: 1px solid var(--line);
  padding: 60px 0 40px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  position: relative; z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--fg);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--mute); transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-col p {
  font-family: var(--body);
  font-size: 13px;
  color: var(--fg-1);
  line-height: 1.55;
  max-width: 32ch;
}
.footer-bottom {
  display: flex; justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mute-2);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .hash { color: var(--mute); }

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
[data-stagger] > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s ease, transform .7s ease;
}
[data-stagger].in > * {
  opacity: 1;
  transform: none;
}
[data-stagger].in > *:nth-child(1) { transition-delay: .05s; }
[data-stagger].in > *:nth-child(2) { transition-delay: .12s; }
[data-stagger].in > *:nth-child(3) { transition-delay: .19s; }
[data-stagger].in > *:nth-child(4) { transition-delay: .26s; }
[data-stagger].in > *:nth-child(5) { transition-delay: .33s; }
[data-stagger].in > *:nth-child(6) { transition-delay: .40s; }
[data-stagger].in > *:nth-child(7) { transition-delay: .47s; }
[data-stagger].in > *:nth-child(8) { transition-delay: .54s; }

/* Tweaks panel */
#tweaks {
  position: fixed;
  right: 16px; bottom: 16px;
  width: 280px;
  background: rgba(13,15,18,.92);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 16px;
  font-family: var(--mono);
  font-size: 11px;
  z-index: 100;
  display: none;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}
#tweaks.open { display: block; }
#tweaks h3 {
  font-size: 11px; letter-spacing: .12em;
  color: var(--fg);
  margin-bottom: 12px;
  display: flex; justify-content: space-between;
}
#tweaks h3 button {
  font-size: 14px; color: var(--mute);
  line-height: 1;
}
.tweak-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}
.tweak-row:last-child { border-bottom: 0; }
.tweak-row label { color: var(--mute); }
.tweak-row .tweak-options {
  display: flex; gap: 4px;
}
.tweak-options button {
  flex: 1;
  padding: 5px 6px;
  font-family: var(--mono);
  font-size: 10px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  color: var(--mute);
  letter-spacing: .04em;
}
.tweak-options button.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

/* utilities */
.divider-line {
  width: 100%; height: 1px;
  background: var(--line);
}
.glow-cyan { color: var(--accent); }
.mono { font-family: var(--mono); }

/* hide things by language */
[data-lang]:not(.lang-show) { display: none; }
.lang-show { display: revert; }


/* =========================================================
   PREMIUM ADDITIONS
   ========================================================= */

/* nav: hide secondary CTA at narrow widths so primary stays visible */
@media (max-width: 1180px) {
  .nav-actions .btn:not(.btn-primary) { display: none; }
}
@media (max-width: 980px) {
  .nav-actions .lang-toggle { display: none; }
}

/* custom cursor */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  .cursor-dot, .cursor-ring {
    position: fixed; top: 0; left: 0;
    pointer-events: none; z-index: 9999;
    transform: translate(-50%, -50%);
    will-change: transform;
    mix-blend-mode: difference;
  }
  .cursor-dot {
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
  }
  .cursor-ring {
    width: 32px; height: 32px;
    border: 1px solid rgba(34,211,238,.5);
    border-radius: 50%;
    transition: width .25s, height .25s, border-color .25s, background .25s;
  }
  .cursor-ring.hover {
    width: 56px; height: 56px;
    border-color: var(--accent);
    background: rgba(34,211,238,.08);
  }
  a, button, [data-magnetic] { cursor: none; }
}

/* magnetic button */
[data-magnetic] {
  display: inline-flex;
  transition: transform .15s ease-out;
  will-change: transform;
}

/* hero h1 letter reveal */
.hero h1 .word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  padding-bottom: .05em;
}
.hero h1 .char {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
  animation: charIn .9s cubic-bezier(.22,.61,.36,1) forwards;
}
@keyframes charIn {
  to { transform: translateY(0); opacity: 1; }
}

/* scroll progress bar */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; z-index: 100;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform-origin: left;
  transform: scaleX(0);
  pointer-events: none;
}

/* tech marquee */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 22px 0;
  position: relative;
  background: rgba(255,255,255,0.01);
}
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 120px;
  z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--bg), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--bg), transparent); }
.marquee-track {
  display: flex; gap: 64px;
  white-space: nowrap;
  animation: marquee 38s linear infinite;
  width: max-content;
}
.marquee-item {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--mute);
  display: inline-flex; align-items: center; gap: 12px;
}
.marquee-item b { color: var(--fg); font-weight: 500; }
.marquee-item::before {
  content: "◆"; color: var(--accent); font-size: 8px;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== CRYPTOGRAPHY COMPARISON ===== */
.crypto-compare {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 20px;
  align-items: stretch;
}
@media (max-width: 800px) {
  .crypto-compare { grid-template-columns: 1fr; }
  .crypto-vs { transform: rotate(90deg); }
}
.crypto-card {
  border: 1px solid var(--line-2);
  border-radius: 14px;
  padding: 28px;
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,0.01);
}
.crypto-card.legacy {
  border-color: rgba(248,113,113,.3);
}
.crypto-card.legacy::before {
  content: "DEPRECATED";
  position: absolute; top: 16px; right: 18px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: .14em; color: var(--red);
  border: 1px solid rgba(248,113,113,.4);
  padding: 3px 8px; border-radius: 3px;
}
.crypto-card.modern::before {
  content: "ACTIVE";
  position: absolute; top: 16px; right: 18px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: .14em; color: var(--green);
  border: 1px solid rgba(74,222,128,.4);
  padding: 3px 8px; border-radius: 3px;
}
.crypto-card h4 {
  font-family: var(--display); font-size: 26px; font-weight: 500;
  margin-bottom: 6px; letter-spacing: -.01em;
}
.crypto-card .tag {
  font-family: var(--mono); font-size: 11px;
  color: var(--mute); letter-spacing: .12em;
  margin-bottom: 24px;
}
.crypto-card.modern .tag { color: var(--accent); }
.crypto-card.legacy .tag { color: var(--red); }
.crypto-card .scheme-vis {
  height: 100px;
  margin: 18px 0 24px;
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0,0,0,.2);
}
.crypto-spec {
  display: grid;
  grid-template-columns: 1fr auto;
  font-family: var(--mono); font-size: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.crypto-spec:last-child { border-bottom: 0; }
.crypto-spec span:first-child { color: var(--mute); }
.crypto-spec span:last-child { color: var(--fg); }
.crypto-vs {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 24px;
  color: var(--mute);
  font-style: italic;
}

/* ===== PERFORMANCE CHART ===== */
.perf-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 980px) { .perf-grid { grid-template-columns: 1fr; } }
.perf-chart-wrap {
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(34,211,238,0.02), rgba(0,0,0,0));
  padding: 24px;
  position: relative;
}
.perf-chart-head {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 11px;
  color: var(--mute); letter-spacing: .12em;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.perf-chart-head .legend {
  display: flex; gap: 16px;
}
.perf-chart-head .legend span {
  display: inline-flex; align-items: center; gap: 6px;
}
.perf-chart-head .legend i {
  width: 8px; height: 8px; border-radius: 1px; display: inline-block;
}
#perf-chart { width: 100%; height: 240px; display: block; }
.perf-readout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 14px; margin-top: 18px;
  font-family: var(--mono); font-size: 12px;
}
.perf-readout div {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.perf-readout div b {
  font-family: var(--display);
  font-size: 22px; font-weight: 500;
  color: var(--accent);
  display: block; margin-top: 4px;
  font-variant-numeric: tabular-nums;
}
.perf-readout .gold b { color: var(--gold); }
.perf-side h3 {
  font-family: var(--display); font-size: 30px; font-weight: 500;
  letter-spacing: -.01em; line-height: 1.1;
  margin-bottom: 18px;
  text-wrap: balance;
}
.perf-side p { color: var(--fg-1); font-size: 14px; line-height: 1.6; max-width: 38ch; }
.perf-side ul {
  list-style: none; margin-top: 24px;
  display: flex; flex-direction: column; gap: 10px;
  font-family: var(--mono); font-size: 12px;
}
.perf-side ul li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  align-items: center;
}
.perf-side ul li::before {
  content: ""; width: 6px; height: 6px;
  background: var(--accent); border-radius: 50%;
}
.perf-side ul li b {
  color: var(--fg); font-variant-numeric: tabular-nums;
}

/* ===== VALIDATOR WORLD MAP ===== */
.world-map-wrap {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 2.2 / 1;
  background:
    radial-gradient(ellipse at center, rgba(34,211,238,0.04), rgba(0,0,0,0) 70%),
    var(--bg-1);
}
#world-map { width: 100%; height: 100%; display: block; }
.world-pin {
  position: absolute;
  width: 12px; height: 12px;
  transform: translate(-50%, -50%);
  pointer-events: auto;
}
.world-pin .pin-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  position: absolute; inset: 2px;
  box-shadow: 0 0 12px var(--accent);
}
.world-pin .pin-pulse {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: pinPulse 2.4s ease-out infinite;
}
.world-pin .pin-pulse:nth-child(2) { animation-delay: .8s; }
.world-pin .pin-pulse:nth-child(3) { animation-delay: 1.6s; }
.world-pin .pin-label {
  position: absolute;
  top: 18px; left: 14px;
  font-family: var(--mono); font-size: 10px;
  color: var(--fg); letter-spacing: .08em;
  white-space: nowrap;
  background: rgba(13,15,18,.85);
  padding: 4px 8px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  backdrop-filter: blur(4px);
}
.world-pin .pin-label b { color: var(--accent); margin-right: 6px; }
@keyframes pinPulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(5); opacity: 0; }
}

/* ===== ROADMAP ===== */
.roadmap-track {
  position: relative;
  padding: 60px 0 40px;
}
.roadmap-line {
  position: absolute;
  top: 100px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--line) 0%, var(--accent) 50%, var(--line) 100%);
}
.roadmap-phases {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}
@media (max-width: 980px) {
  .roadmap-phases { grid-template-columns: 1fr 1fr; }
  .roadmap-line { display: none; }
}
.roadmap-phase {
  position: relative;
  padding-top: 60px;
}
.roadmap-phase::before {
  content: "";
  position: absolute; top: 36px; left: 50%;
  width: 14px; height: 14px;
  background: var(--bg);
  border: 1.5px solid var(--line-2);
  transform: translateX(-50%) rotate(45deg);
  z-index: 2;
}
.roadmap-phase.done::before { border-color: var(--green); background: var(--green); }
.roadmap-phase.active::before {
  border-color: var(--accent); background: var(--accent);
  box-shadow: 0 0 0 4px rgba(34,211,238,.15), 0 0 20px var(--accent);
}
.roadmap-phase.future::before { border-color: var(--mute-2); }
.roadmap-phase .phase-q {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .14em;
  text-align: center;
  margin-bottom: 18px;
}
.roadmap-phase.done .phase-q { color: var(--green); }
.roadmap-phase.active .phase-q { color: var(--accent); }
.roadmap-phase.future .phase-q { color: var(--mute); }
.roadmap-phase .phase-title {
  font-family: var(--display);
  font-size: 18px; font-weight: 500;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.roadmap-phase .phase-list {
  list-style: none;
  font-family: var(--mono); font-size: 11px;
  color: var(--fg-1);
  display: flex; flex-direction: column; gap: 6px;
  text-align: center;
}
.roadmap-phase.future .phase-list { color: var(--mute); }

/* ===== CODE TABS ===== */
.code-tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-1);
  padding: 0 14px;
}
.code-tabs button {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .08em;
  padding: 12px 14px;
  color: var(--mute);
  border-bottom: 1px solid transparent;
  margin-bottom: -1px;
  transition: all .2s;
}
.code-tabs button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.code-panel { display: none; }
.code-panel.active { display: block; }

/* count-up tabular */
[data-count] { font-variant-numeric: tabular-nums; }

/* hero h1 enhancement: bigger and tighter */
.hero h1 { font-size: clamp(48px, 8.5vw, 120px) !important; line-height: .92 !important; }

/* ambient noise */
body::before {
  background-image:
    radial-gradient(900px 600px at 80% -10%, rgba(34,211,238,.08), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(212,175,55,.05), transparent 60%) !important;
}

/* hero stats — better alignment + subtle scan line */
.hero-stats { position: relative; }
.hero-stats::after {
  content: ""; position: absolute;
  top: 0; left: 16px; right: 16px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scan 4s linear infinite;
  opacity: .8;
}
@keyframes scan {
  0% { transform: translateY(0); opacity: 0; }
  10%, 90% { opacity: 1; }
  100% { transform: translateY(280px); opacity: 0; }
}

/* section title — gold accent on em */
.section-title em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}

/* enhanced reveal: text mask */
.reveal-mask {
  display: inline-block;
  overflow: hidden;
}
.reveal-mask > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1s cubic-bezier(.22,.61,.36,1);
}
.reveal-mask.in > span { transform: translateY(0); }

/* big block hover: full hash tooltip */
.hash-tooltip {
  position: fixed;
  background: rgba(13,15,18,.95);
  border: 1px solid var(--accent);
  padding: 8px 12px;
  font-family: var(--mono); font-size: 11px;
  color: var(--fg);
  border-radius: 4px;
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  transition: opacity .15s;
  backdrop-filter: blur(8px);
}
.hash-tooltip.show { opacity: 1; }
.hash-tooltip b { color: var(--accent); margin-right: 8px; }

/* =========================================================
   CONTENT PAGES (docs / stack / governance / tokenomics /
   whitepaper / run-validator / examples / explorer)
   ========================================================= */

/* Compact hero used on every secondary page */
.page-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding: clamp(80px, 14vh, 160px) 0 clamp(60px, 10vh, 110px);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 80% -20%, rgba(34,211,238,.08), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, rgba(212,175,55,.05), transparent 60%);
  pointer-events: none;
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero .eyebrow { margin-bottom: 28px; }
.page-hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 22ch;
}
.page-hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.page-hero .lede {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--fg-1);
  max-width: 60ch;
  line-height: 1.6;
}
.page-hero .lede + .lede { margin-top: 14px; }
.page-hero-actions {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-top: 36px;
}

/* Document layout: sidebar TOC + main content */
.doc-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(36px, 6vw, 80px);
  padding: clamp(60px, 8vh, 100px) 0 clamp(80px, 12vh, 140px);
  align-items: start;
}
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; }
}
.doc-toc {
  position: sticky;
  top: 96px;
  font-family: var(--mono);
  font-size: 12px;
  border-left: 1px solid var(--line);
  padding-left: 18px;
}
@media (max-width: 900px) {
  .doc-toc { position: static; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 24px; }
}
.doc-toc-title {
  color: var(--mute);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-size: 11px;
}
.doc-toc ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.doc-toc a {
  color: var(--fg-1);
  letter-spacing: .02em;
  transition: color .15s;
  display: inline-block;
}
.doc-toc a:hover, .doc-toc a.active { color: var(--accent); }
.doc-main { min-width: 0; }

/* Doc sections */
.doc-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(40px, 6vh, 64px);
  padding-bottom: clamp(40px, 6vh, 64px);
}
.doc-section:first-child { border-top: 0; padding-top: 0; }
.doc-section h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  scroll-margin-top: 110px;
}
.doc-section h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.3;
  margin-top: 32px;
  margin-bottom: 14px;
  color: var(--fg);
}
.doc-section h2 + h3 { margin-top: 8px; }

/* Long-form prose */
.prose { color: var(--fg-1); font-size: 15px; line-height: 1.7; }
.prose > * + * { margin-top: 16px; }
.prose p { max-width: 70ch; }
.prose strong { color: var(--fg); font-weight: 500; }
.prose a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
  transition: border-color .15s;
}
.prose a:hover { border-bottom-color: var(--accent); }
.prose ul, .prose ol {
  list-style: none;
  padding-left: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.prose ul li, .prose ol li {
  position: relative;
  padding-left: 22px;
  max-width: 68ch;
}
.prose ul li::before {
  content: "▸";
  position: absolute; left: 0; top: 0;
  color: var(--accent);
  font-size: 12px;
  line-height: 1.7;
}
.prose ol { counter-reset: prose-ol; }
.prose ol li { counter-increment: prose-ol; }
.prose ol li::before {
  content: counter(prose-ol, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  line-height: 1.9;
}
.prose code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: var(--r-sm);
  color: var(--accent);
}

/* Callout box */
.callout {
  border: 1px solid var(--line-2);
  border-left: 2px solid var(--accent);
  background: linear-gradient(180deg, rgba(34,211,238,.04), transparent);
  padding: 18px 22px;
  border-radius: var(--r-md);
  font-size: 14px;
  color: var(--fg-1);
  line-height: 1.65;
  display: flex; gap: 14px; align-items: flex-start;
}
.callout::before {
  content: "i";
  flex: 0 0 auto;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: #001014;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 12px;
  display: inline-flex; align-items: center; justify-content: center;
}
.callout.warning { border-left-color: var(--gold); background: linear-gradient(180deg, rgba(212,175,55,.05), transparent); }
.callout.warning::before { content: "!"; background: var(--gold); }
.callout.danger { border-left-color: var(--red); background: linear-gradient(180deg, rgba(248,113,113,.05), transparent); }
.callout.danger::before { content: "!"; background: var(--red); }
.callout strong { color: var(--fg); }
.callout p + p { margin-top: 8px; }

/* Card grid (used for principles, features, token roles, validators, etc.) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .card-grid, .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4 { grid-template-columns: 1fr; }
}
.feature-card {
  background: var(--bg-1);
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 12px;
  transition: background .25s;
}
.feature-card:hover { background: var(--bg-2); }
.feature-card .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .14em;
}
.feature-card h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.3;
  color: var(--fg);
  margin: 0;
}
.feature-card p {
  font-size: 14px;
  color: var(--fg-1);
  line-height: 1.6;
  max-width: 38ch;
}
.feature-card ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 6px;
  font-size: 13px; color: var(--fg-1);
}
.feature-card ul li { position: relative; padding-left: 14px; }
.feature-card ul li::before {
  content: "·"; position: absolute; left: 4px; color: var(--accent);
}
.feature-card .tag {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--mute);
  border: 1px solid var(--line-2);
  padding: 3px 8px;
  border-radius: var(--r-sm);
}

/* Numbered example/step cards (used in examples + run-validator) */
.step-list { display: flex; flex-direction: column; gap: clamp(28px, 4vh, 40px); }
.step-card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-1);
  padding: 28px clamp(20px, 3vw, 32px);
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
}
@media (max-width: 720px) {
  .step-card { grid-template-columns: 1fr; }
}
.step-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .12em;
  border: 1px solid var(--accent-soft);
  border-radius: 50%;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  align-self: start;
}
.step-body h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.3;
  margin-bottom: 10px;
  color: var(--fg);
}
.step-body p { color: var(--fg-1); font-size: 14.5px; line-height: 1.65; max-width: 65ch; }
.step-body p + p, .step-body p + .code-block, .step-body .code-block + p { margin-top: 14px; }

/* Data table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.data-table thead th {
  background: var(--bg-1);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mute);
  text-transform: uppercase;
  font-weight: 500;
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: var(--bg-1); }
.data-table td b, .data-table td strong { color: var(--fg); font-weight: 500; }
.data-table td.num, .data-table td.mono { font-family: var(--mono); color: var(--fg); }

/* Quote block (whitepaper) */
.quote-block {
  border-left: 2px solid var(--accent);
  padding: 18px 24px;
  background: rgba(34,211,238,.03);
  font-family: var(--display);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  color: var(--fg);
  max-width: 60ch;
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

/* Inline button row */
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Anchor link offset for sticky nav */
[id] { scroll-margin-top: 110px; }

/* Code-block override: ensure mono font-size and overflow on long lines */
.code-block pre, pre.code-body { white-space: pre; overflow-x: auto; }

/* Page-specific tweaks for explorer.html */
.explorer-shell { display: flex; flex-direction: column; gap: 32px; padding: clamp(40px, 6vh, 64px) 0 clamp(80px, 12vh, 120px); }
.explorer-config {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-1);
  align-items: center;
}
@media (max-width: 720px) { .explorer-config { grid-template-columns: 1fr; } }
.explorer-config input {
  background: var(--bg);
  border: 1px solid var(--line-2);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  width: 100%;
}
.explorer-config input:focus { outline: none; border-color: var(--accent); }
.explorer-config .status-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: .12em;
  display: inline-flex; align-items: center; gap: 8px;
}
.explorer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 24px;
}
@media (max-width: 980px) { .explorer-grid { grid-template-columns: 1fr; } }
.explorer-panel {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-1);
  overflow: hidden;
}
.explorer-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mute);
  text-transform: uppercase;
}
.explorer-panel-body { padding: 18px; }
.explorer-feed {
  font-family: var(--mono);
  font-size: 12px;
  display: flex; flex-direction: column; gap: 8px;
  max-height: 480px; overflow-y: auto;
}
.explorer-feed-item {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  display: flex; gap: 10px; align-items: baseline;
  color: var(--fg-1);
}
.explorer-feed-item .ts { color: var(--mute); font-size: 10px; flex: 0 0 auto; }
.explorer-feed-item .label { color: var(--accent); font-size: 10px; flex: 0 0 auto; letter-spacing: .12em; }