/* ================================================================
   RWANICKEL.COM — RWA Investor Education Hub
   Site 3 of the ALKN Authority Network
   Design System: RWA / DeFi-native, dark-mode, technical, editorial
   ================================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Palette */
  --bg-primary: #0E1117;
  --bg-secondary: #1C2028;
  --bg-elevated: #161A22;
  --signal-green: #52D399;
  --signal-green-dim: rgba(82, 211, 153, 0.12);
  --nickel-silver: #C5CAD3;
  --nickel-silver-dim: rgba(197, 202, 211, 0.6);
  --warm-gold: #D4A24A;
  --warm-gold-dim: rgba(212, 162, 74, 0.14);
  --bone-white: #E8E9EB;
  --hairline: #272B33;
  --danger: #E5796B;
  --muted: #8A8F9A;

  /* Type */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Söhne', 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing scale (4pt) */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 20px;
  --s-6: 24px; --s-8: 32px; --s-10: 40px; --s-12: 48px; --s-16: 64px;
  --s-20: 80px; --s-24: 96px; --s-32: 128px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --container: 1280px;
  --container-wide: 1440px;
  --container-narrow: 880px;
  --container-text: 720px;

  --transition: 200ms cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition-slow: 400ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.6;
  color: var(--bone-white);
  background: var(--bg-primary);
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: var(--signal-green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--bone-white); }
hr { border: 0; height: 1px; background: var(--hairline); margin: var(--s-10) 0; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ---------- Type scale ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--bone-white);
  margin: 0 0 var(--s-4);
}
h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 3vw, 36px); letter-spacing: -0.015em; }
h3 { font-size: clamp(19px, 2vw, 22px); }
h4 { font-size: 17px; }
h5 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--nickel-silver-dim); font-weight: 500; }

p { margin: 0 0 var(--s-4); }
.lead { font-size: 18px; color: var(--nickel-silver); line-height: 1.55; font-weight: 400; }

.mono { font-family: var(--font-mono); font-feature-settings: 'tnum'; letter-spacing: -0.01em; }
.tnum { font-variant-numeric: tabular-nums; }

code, pre {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-elevated);
  color: var(--nickel-silver);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
}
code { padding: 2px 6px; }
pre { padding: var(--s-4); overflow-x: auto; }

/* ---------- Layout primitives ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--s-6); }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--s-6); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--s-6); }
.container-text { max-width: var(--container-text); margin: 0 auto; padding: 0 var(--s-6); }

.grid { display: grid; gap: var(--s-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 960px) {
  .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; gap: var(--s-3); }
.gap-2 { gap: var(--s-2); } .gap-3 { gap: var(--s-3); } .gap-4 { gap: var(--s-4); } .gap-6 { gap: var(--s-6); }

.stack > * + * { margin-top: var(--s-4); }
.stack-lg > * + * { margin-top: var(--s-8); }

.text-mute { color: var(--nickel-silver-dim); }
.text-silver { color: var(--nickel-silver); }
.text-green { color: var(--signal-green); }
.text-gold { color: var(--warm-gold); }
.text-bone { color: var(--bone-white); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.text-lg { font-size: 18px; }
.uppercase { text-transform: uppercase; letter-spacing: 0.08em; }
.center { text-align: center; }

.section { padding: var(--s-20) 0; }
.section-tight { padding: var(--s-12) 0; }
@media (max-width: 640px) { .section { padding: var(--s-12) 0; } }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 17, 23, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--s-6);
}
.nav-brand {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--bone-white);
}
.nav-brand .rwa { color: var(--nickel-silver); font-weight: 400; }
.nav-brand .nickel { color: var(--bone-white); font-weight: 700; }
.nav-brand .tld { color: var(--muted); font-weight: 400; font-size: 14px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-6);
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  color: var(--nickel-silver);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
  padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--bone-white);
}
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -22px;
  height: 2px; background: var(--signal-green);
}
.nav-cta {
  font-size: 13px;
  padding: 8px 14px;
  border: 1px solid var(--warm-gold);
  color: var(--warm-gold);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-weight: 500;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--warm-gold-dim);
  color: var(--warm-gold);
}
.nav-toggle { display: none; color: var(--bone-white); font-size: 22px; padding: 6px; }
@media (max-width: 1024px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: var(--s-4);
    background: var(--bg-secondary); border-bottom: 1px solid var(--hairline);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: var(--s-3) var(--s-2); border-bottom: 1px solid var(--hairline); }
  .nav-links a.active::after { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-display);
  white-space: nowrap;
}
.btn-primary { background: var(--signal-green); color: #0E1117; }
.btn-primary:hover { background: #6EE3AA; color: #0E1117; transform: translateY(-1px); }
.btn-gold { background: transparent; border-color: var(--warm-gold); color: var(--warm-gold); }
.btn-gold:hover { background: var(--warm-gold-dim); color: var(--warm-gold); }
.btn-ghost { background: transparent; border-color: var(--hairline); color: var(--bone-white); }
.btn-ghost:hover { border-color: var(--nickel-silver); }
.btn-lg { padding: 14px 26px; font-size: 15px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--s-6);
  transition: all var(--transition);
}
.card-hover:hover {
  border-color: #3A414D;
  transform: translateY(-2px);
}
.card-accent-green { border-left: 2px solid var(--signal-green); }
.card-accent-gold { border-left: 2px solid var(--warm-gold); }

/* ---------- Data panel (dashboard-style) ---------- */
.data-panel {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-elevated) 100%);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--s-6);
  position: relative;
  overflow: hidden;
}
.data-panel::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--signal-green), transparent);
  opacity: 0.5;
}
.data-panel.gold::before {
  background: linear-gradient(90deg, transparent, var(--warm-gold), transparent);
}
.data-panel-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nickel-silver-dim);
  font-weight: 500;
  margin-bottom: var(--s-3);
  display: flex; align-items: center; gap: var(--s-2);
}
.data-panel-label .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal-green);
  box-shadow: 0 0 0 3px rgba(82, 211, 153, 0.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.data-panel-value {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  color: var(--bone-white);
  letter-spacing: -0.02em;
  line-height: 1.05;
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
}
.data-panel-value .unit { font-size: 0.5em; color: var(--nickel-silver-dim); font-weight: 400; }
.data-panel-delta { font-size: 13px; margin-top: var(--s-3); color: var(--signal-green); font-family: var(--font-mono); }
.data-panel-delta.neutral { color: var(--nickel-silver); }
.data-panel-sub { font-size: 12px; color: var(--muted); margin-top: var(--s-1); }

/* ---------- Hero ---------- */
.hero {
  padding: var(--s-20) 0 var(--s-16);
  border-bottom: 1px solid var(--hairline);
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(82, 211, 153, 0.05), transparent 60%),
    radial-gradient(900px 400px at 15% 10%, rgba(212, 162, 74, 0.04), transparent 60%);
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--nickel-silver);
  padding: 5px 10px;
  border: 1px solid var(--hairline);
  border-radius: 100px;
  margin-bottom: var(--s-5);
  background: var(--bg-secondary);
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--signal-green);
  box-shadow: 0 0 0 3px rgba(82, 211, 153, 0.18);
}
.hero h1 { margin-bottom: var(--s-5); max-width: 920px; }
.hero .lead { max-width: 720px; margin-bottom: var(--s-8); }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: var(--s-3); }

/* ---------- Article layout (chapter & commentary) ---------- */
.article-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 260px;
  gap: var(--s-10);
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: var(--s-10) var(--s-6);
}
@media (max-width: 1200px) {
  .article-layout { grid-template-columns: 200px minmax(0, 1fr); }
  .article-layout .article-sidebar { display: none; }
}
@media (max-width: 880px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-layout .article-toc { display: none; }
}
.article-toc {
  position: sticky;
  top: 88px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: var(--s-3);
  border-left: 1px solid var(--hairline);
  padding-left: var(--s-4);
  font-size: 13px;
}
.article-toc h6 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nickel-silver-dim);
  margin-bottom: var(--s-3);
  font-weight: 500;
}
.article-toc ul { list-style: none; padding: 0; margin: 0; }
.article-toc li { margin-bottom: var(--s-2); }
.article-toc a {
  color: var(--muted);
  line-height: 1.4;
  display: block;
  padding: 2px 0;
  border-left: 2px solid transparent;
  margin-left: -16px;
  padding-left: 14px;
  transition: all var(--transition);
}
.article-toc a:hover { color: var(--nickel-silver); }
.article-toc a.active { color: var(--bone-white); border-left-color: var(--signal-green); }

.article-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
  font-size: 13px;
  padding-left: var(--s-4);
  border-left: 1px solid var(--hairline);
}
.article-sidebar h6 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nickel-silver-dim);
  margin: 0 0 var(--s-3);
}
.article-sidebar ul { list-style: none; padding: 0; margin: 0 0 var(--s-6); }
.article-sidebar li { margin-bottom: var(--s-2); }

.article-body { max-width: 720px; }
.article-body h2 { margin-top: var(--s-10); scroll-margin-top: 88px; }
.article-body h3 { margin-top: var(--s-8); scroll-margin-top: 88px; color: var(--nickel-silver); }
.article-body p, .article-body li { font-size: 16px; line-height: 1.7; color: var(--bone-white); }
.article-body ul, .article-body ol { padding-left: var(--s-5); margin-bottom: var(--s-4); }
.article-body li { margin-bottom: var(--s-2); }
.article-body strong { color: var(--bone-white); font-weight: 600; }
.article-body blockquote {
  border-left: 2px solid var(--signal-green);
  margin: var(--s-6) 0;
  padding: var(--s-2) var(--s-5);
  color: var(--nickel-silver);
  font-style: italic;
  font-size: 16px;
}

.article-meta {
  display: flex; flex-wrap: wrap; gap: var(--s-4);
  font-size: 13px;
  color: var(--nickel-silver-dim);
  font-family: var(--font-mono);
  margin-bottom: var(--s-6);
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--hairline);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Callout (Applied to ALKN) ---------- */
.callout {
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--warm-gold);
  background: var(--warm-gold-dim);
  border-radius: var(--radius-sm);
  padding: var(--s-5) var(--s-6);
  margin: var(--s-6) 0;
}
.callout-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--warm-gold);
  font-weight: 600;
  margin-bottom: var(--s-2);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.callout p:last-child { margin-bottom: 0; }
.callout.green { border-left-color: var(--signal-green); background: var(--signal-green-dim); }
.callout.green .callout-label { color: var(--signal-green); }
.callout.neutral { border-left-color: var(--nickel-silver); background: var(--bg-elevated); }
.callout.neutral .callout-label { color: var(--nickel-silver); }

/* ---------- Pills, tags, chips ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  font-size: 11px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--nickel-silver);
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: 100px;
}
.tag.green { color: var(--signal-green); border-color: rgba(82, 211, 153, 0.3); background: var(--signal-green-dim); }
.tag.gold { color: var(--warm-gold); border-color: rgba(212, 162, 74, 0.35); background: var(--warm-gold-dim); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--hairline); border-radius: var(--radius-md); margin: var(--s-6) 0; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.data th, table.data td {
  text-align: left;
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
table.data th {
  background: var(--bg-elevated);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--nickel-silver-dim);
  white-space: nowrap;
}
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td:first-child { color: var(--nickel-silver); font-weight: 500; white-space: nowrap; }
table.data .highlight { color: var(--bone-white); background: rgba(82, 211, 153, 0.04); }
table.data .highlight td:first-child { color: var(--signal-green); }

/* ---------- Chapter / card grid ---------- */
.chapter-card {
  display: block;
  padding: var(--s-6);
  background: var(--bg-secondary);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  color: var(--bone-white);
  position: relative;
}
.chapter-card:hover {
  border-color: var(--signal-green);
  transform: translateY(-2px);
  color: var(--bone-white);
}
.chapter-card .ch-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--nickel-silver-dim);
  margin-bottom: var(--s-2);
}
.chapter-card h3 { margin: 0 0 var(--s-3); font-size: 19px; }
.chapter-card p { color: var(--nickel-silver); font-size: 14px; margin-bottom: var(--s-4); }
.chapter-card .ch-foot {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 12px; color: var(--muted);
  padding-top: var(--s-3); border-top: 1px solid var(--hairline);
}

/* ---------- Pillar cards (homepage) ---------- */
.pillar-card {
  display: block;
  padding: var(--s-6);
  background: var(--bg-secondary);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  color: var(--bone-white);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.pillar-card:hover { border-color: #3A414D; transform: translateY(-2px); color: var(--bone-white); }
.pillar-card .p-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--nickel-silver-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--s-4);
}
.pillar-card h3 { margin: 0 0 var(--s-3); font-size: 20px; }
.pillar-card p { color: var(--nickel-silver); font-size: 14px; line-height: 1.55; margin-bottom: var(--s-4); min-height: 60px; }
.pillar-card .arrow { color: var(--signal-green); font-size: 13px; font-weight: 500; }
.pillar-card:hover .arrow { color: var(--bone-white); }

/* ---------- Feed entries ---------- */
.feed-entry {
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--hairline);
  display: block;
  color: var(--bone-white);
  transition: all var(--transition);
}
.feed-entry:hover { color: var(--bone-white); padding-left: var(--s-2); }
.feed-entry:last-child { border-bottom: 0; }
.feed-meta {
  display: flex; gap: var(--s-3);
  font-family: var(--font-mono); font-size: 11px;
  color: var(--nickel-silver-dim);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: var(--s-2);
}
.feed-entry h4 { font-size: 18px; margin-bottom: var(--s-2); }
.feed-entry p { font-size: 14px; color: var(--nickel-silver); margin: 0; }

/* ---------- Accordion (FAQ) ---------- */
.accordion { border-top: 1px solid var(--hairline); }
.accordion-item { border-bottom: 1px solid var(--hairline); }
.accordion-head {
  width: 100%;
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--s-5) 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--bone-white);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}
.accordion-head:hover { color: var(--signal-green); }
.accordion-head .chev {
  width: 20px; height: 20px;
  color: var(--nickel-silver);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.accordion-item.open .accordion-head .chev { transform: rotate(180deg); color: var(--signal-green); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}
.accordion-item.open .accordion-body { max-height: 1200px; }
.accordion-body-inner { padding: 0 0 var(--s-5); color: var(--nickel-silver); font-size: 15px; line-height: 1.65; }

/* ---------- Newsletter strip ---------- */
.newsletter {
  background: var(--bg-secondary);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: var(--s-12) 0;
}
.newsletter-form {
  display: flex;
  gap: var(--s-3);
  max-width: 480px;
  margin-top: var(--s-4);
}
.newsletter-form input {
  flex: 1;
  padding: 12px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--hairline);
  color: var(--bone-white);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
}
.newsletter-form input:focus { border-color: var(--signal-green); }
@media (max-width: 600px) {
  .newsletter-form { flex-direction: column; }
}

/* ---------- Footer ---------- */
.footer {
  background: #0A0C11;
  border-top: 1px solid var(--hairline);
  padding: var(--s-16) 0 var(--s-8);
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--s-8);
  margin-bottom: var(--s-10);
}
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer h6 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nickel-silver-dim);
  margin: 0 0 var(--s-4);
  font-weight: 500;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: var(--s-2); }
.footer li a { color: var(--nickel-silver); font-size: 13px; }
.footer li a:hover { color: var(--bone-white); }
.footer-mission { color: var(--nickel-silver); font-size: 13px; max-width: 340px; line-height: 1.6; margin-top: var(--s-3); }
.footer-disclaimer {
  border-top: 1px solid var(--hairline);
  padding-top: var(--s-6);
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.6;
}
.footer-disclaimer p { margin-bottom: var(--s-2); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--s-4);
  margin-top: var(--s-6);
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  padding: var(--s-5) 0 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.breadcrumbs a { color: var(--nickel-silver); }
.breadcrumbs a:hover { color: var(--bone-white); }
.breadcrumbs .sep { color: var(--hairline); }

/* ---------- Logo strip ---------- */
.logo-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: var(--s-10); padding: var(--s-8) 0;
}
.logo-strip .logo-item {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--nickel-silver-dim);
  padding: var(--s-2) var(--s-4);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  opacity: 0.85;
  transition: all var(--transition);
}
.logo-strip .logo-item:hover { color: var(--bone-white); border-color: var(--nickel-silver); opacity: 1; }

/* ---------- Countdown ---------- */
.countdown {
  display: flex; gap: var(--s-3);
  font-family: var(--font-mono);
}
.countdown-unit {
  background: var(--bg-primary);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: var(--s-2) var(--s-3);
  text-align: center;
  min-width: 56px;
}
.countdown-unit .num { font-size: 20px; color: var(--bone-white); font-weight: 600; }
.countdown-unit .label { font-size: 10px; color: var(--nickel-silver-dim); text-transform: uppercase; letter-spacing: 0.1em; }

/* ---------- Cookie banner / geo gate ---------- */
.cookie-banner {
  position: fixed;
  bottom: var(--s-4);
  left: var(--s-4);
  right: var(--s-4);
  max-width: 560px;
  margin: 0 auto;
  z-index: 200;
  background: var(--bg-secondary);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: var(--s-4) var(--s-5);
  font-size: 13px;
  color: var(--nickel-silver);
  display: none;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.cookie-banner.show { display: block; }
.cookie-banner .row { display: flex; gap: var(--s-3); margin-top: var(--s-3); flex-wrap: wrap; }

/* ---------- Disclaimer strip ---------- */
.disclaimer-band {
  background: var(--bg-elevated);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: var(--s-4) 0;
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.55;
}

/* ---------- Utility animations ---------- */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity var(--transition-slow), transform var(--transition-slow); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Chart bar animations */
.bar-track { background: var(--bg-elevated); height: 8px; border-radius: 4px; overflow: hidden; position: relative; }
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--signal-green), rgba(82, 211, 153, 0.6));
  border-radius: 4px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.bar-fill.gold { background: linear-gradient(90deg, var(--warm-gold), rgba(212, 162, 74, 0.6)); }
.bar-fill.silver { background: linear-gradient(90deg, var(--nickel-silver), rgba(197, 202, 211, 0.5)); }

/* SVG diagram styles */
.diagram { width: 100%; height: auto; margin: var(--s-6) 0; }
.diagram .node-bg { fill: var(--bg-secondary); stroke: var(--hairline); stroke-width: 1; }
.diagram .node-bg.accent { stroke: var(--signal-green); stroke-width: 1.5; }
.diagram .node-bg.gold { stroke: var(--warm-gold); stroke-width: 1.5; }
.diagram text { fill: var(--bone-white); font-family: var(--font-body); font-size: 12px; font-weight: 500; }
.diagram text.sub { fill: var(--nickel-silver-dim); font-size: 10px; font-weight: 400; }
.diagram .flow { stroke: var(--nickel-silver-dim); stroke-width: 1.2; fill: none; stroke-dasharray: 4 4; }
.diagram .flow.solid { stroke-dasharray: 0; stroke: var(--signal-green); stroke-width: 1.5; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 2px solid var(--signal-green);
  outline-offset: 2px;
  border-radius: 2px;
}

::selection { background: var(--signal-green-dim); color: var(--bone-white); }

/* Scrollbar (subtle) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #3A414D; }