:root,
[data-theme="dark"] {
  --bg-deep: #121a2c;
  --bg-mid: #1a2740;
  --bg-panel: #1a2740;
  --bg-panel-solid: #1a2740;
  --bg-gradient-end: #152033;
  --ltc-blue: #345d9d;
  --ltc-blue-bright: #4a7fd4;
  --ltc-silver: #c5cdd8;
  --ltc-muted: #8a96a8;
  --text: #e8eef6;
  --border: rgba(197, 205, 216, 0.16);
  --chip-bg: rgba(52, 93, 157, 0.2);
  --chip-on: rgba(52, 93, 157, 0.48);
  --font-display: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --header-h: 3.25rem;
  /* padding 1.25rem×2 + one text line ≈ footer chrome before wrap */
  --footer-h: 4.1rem;
  --content-max: 72rem;
  --prose-max: 42rem;
  --scrollbar-gutter: #121a2c;
  --scrollbar-thumb: rgba(197, 205, 216, 0.28);
  --header-bg: rgba(18, 28, 46, 0.92);
  --nav-sheet-bg: rgba(18, 28, 46, 0.96);
  --body-glow-1: rgba(52, 93, 157, 0.42);
  --body-glow-2: rgba(160, 170, 185, 0.12);
  --body-vignette: rgba(10, 14, 24, 0.35);
  --nav-hover-bg: rgba(52, 93, 157, 0.22);
  --nav-menu-hover: rgba(52, 93, 157, 0.28);
  --overlay-scrim: rgba(5, 8, 14, 0.55);
  --inset-bg: rgba(10, 14, 24, 0.28);
  --inset-bg-strong: rgba(10, 14, 24, 0.45);
  --code-bg: rgba(10, 14, 24, 0.35);
  --link-underline: rgba(74, 127, 212, 0.4);
  --card-hover-border: rgba(74, 127, 212, 0.45);
  --card-hover-bg: rgba(52, 93, 157, 0.18);
  --card-hover-ring: rgba(74, 127, 212, 0.12);
  --section-ico: #6eb0c8;
  --crumb-sep: rgba(138, 150, 168, 0.55);
  color-scheme: dark;
}

/* Cool Litecoin paper light — soft blue-gray, white panels, navy type */
[data-theme="light"] {
  --bg-deep: #e6edf6;
  --bg-mid: #f3f6fa;
  --bg-panel: #ffffff;
  --bg-panel-solid: #ffffff;
  --bg-gradient-end: #d8e2ef;
  --ltc-blue: #345d9d;
  --ltc-blue-bright: #2a528c;
  --ltc-silver: #4a5a70;
  --ltc-muted: #667890;
  --text: #1a2433;
  --border: rgba(52, 93, 157, 0.14);
  --chip-bg: rgba(52, 93, 157, 0.09);
  --chip-on: rgba(52, 93, 157, 0.2);
  --scrollbar-gutter: #e2eaf3;
  --scrollbar-thumb: rgba(52, 93, 157, 0.28);
  --header-bg: rgba(243, 246, 250, 0.92);
  --nav-sheet-bg: rgba(255, 255, 255, 0.98);
  --body-glow-1: rgba(52, 93, 157, 0.12);
  --body-glow-2: rgba(52, 93, 157, 0.05);
  --body-vignette: rgba(52, 93, 157, 0.05);
  --nav-hover-bg: rgba(52, 93, 157, 0.1);
  --nav-menu-hover: rgba(52, 93, 157, 0.14);
  --overlay-scrim: rgba(26, 36, 51, 0.38);
  --inset-bg: rgba(52, 93, 157, 0.05);
  --inset-bg-strong: rgba(52, 93, 157, 0.08);
  --code-bg: rgba(52, 93, 157, 0.07);
  --link-underline: rgba(42, 82, 140, 0.35);
  --card-hover-border: rgba(52, 93, 157, 0.35);
  --card-hover-bg: rgba(52, 93, 157, 0.07);
  --card-hover-ring: rgba(52, 93, 157, 0.1);
  --section-ico: #3d6ea8;
  --crumb-sep: rgba(102, 120, 144, 0.55);
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scrollbar-gutter: stable;
  background-color: var(--scrollbar-gutter);
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-gutter);
}

html::-webkit-scrollbar {
  width: 12px;
}

html::-webkit-scrollbar-track {
  background: var(--scrollbar-gutter);
}

html::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 6px;
  border: 3px solid var(--scrollbar-gutter);
}

html::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb);
  filter: brightness(1.15);
}

html,
body {
  margin: 0;
  min-height: 100%;
  min-height: 100dvh;
}

body {
  position: relative;
  display: flex;
  flex-direction: column;
  color: var(--text);
  font-family: var(--font-display);
  background:
    radial-gradient(ellipse 120% 80% at 50% -10%, var(--body-glow-1), transparent 55%),
    radial-gradient(ellipse 90% 60% at 80% 100%, var(--body-glow-2), transparent 50%),
    linear-gradient(165deg, var(--bg-deep) 0%, var(--bg-mid) 45%, var(--bg-gradient-end) 100%);
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 45%, var(--body-vignette) 100%);
}

.bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  display: block;
}

a {
  color: var(--ltc-blue-bright);
  text-decoration: none;
}

a:hover {
  color: var(--ltc-silver);
}

/* -- Header / nav -- */
/* #site-header: empty placeholder keeps height before JS mounts chrome (CLS) */
#site-header,
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  flex-shrink: 0;
  min-height: calc(var(--header-h) + 1px);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 clamp(0.85rem, 2.5vw, 1.5rem);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-brand {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ltc-silver);
  text-decoration: none;
  min-width: 0;
}

.site-brand-logo {
  display: block;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
}

.site-brand-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-brand:hover {
  color: var(--text);
}

@media (max-width: 520px) {
  .site-brand-text {
    font-size: 0.95rem;
  }

  .site-brand-logo {
    width: 28px;
    height: 28px;
  }
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 0.1rem;
}

.site-nav a,
.nav-drop > button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ltc-silver);
  font: inherit;
  font-size: 0.85rem;
  padding: 0.45rem 0.55rem;
  border-radius: 0.4rem;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a:hover,
.nav-drop > button:hover,
.site-nav a.is-active,
.nav-drop.is-active > button {
  color: var(--text);
  background: var(--nav-hover-bg);
}

.nav-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.05em;
  font-size: 0.95em;
  line-height: 1;
  opacity: 0.95;
  flex-shrink: 0;
}

.nav-ico--ltc-coin {
  width: 1.05em;
  height: 1.05em;
  background-color: currentColor;
  -webkit-mask: url('/img/icons/ltc-coin.svg') center / contain no-repeat;
  mask: url('/img/icons/ltc-coin.svg') center / contain no-repeat;
}

.page-title-ico.nav-ico--ltc-coin {
  width: 0.95em;
  height: 0.95em;
  font-size: inherit;
}

/* Soft section colors - muted, readable on header */
.nav-ico--about {
  color: #7a9ec8;
}

.nav-ico--wallets {
  color: #c4b06a;
}

.nav-ico--explorer {
  color: #6aaa7a;
}

.nav-ico--metrics {
  color: #c07070;
}

.nav-ico--links {
  color: #6eb0c8;
}

.nav-ico--donate {
  color: #c47a7a;
}

.nav-ico--contacts {
  color: #d8dde6;
}

.nav-ico--articles {
  color: #9aa8bc;
}

.nav-ico--home {
  color: #c5cdd8;
}

[data-theme="light"] .nav-ico--about {
  color: #3d6ea8;
}

[data-theme="light"] .nav-ico--wallets {
  color: #9a7e2e;
}

[data-theme="light"] .nav-ico--explorer {
  color: #2f7a4a;
}

[data-theme="light"] .nav-ico--metrics {
  color: #a84848;
}

[data-theme="light"] .nav-ico--links {
  color: #2f7a94;
}

[data-theme="light"] .nav-ico--donate {
  color: #a84e4e;
}

[data-theme="light"] .nav-ico--contacts {
  color: #4a5568;
}

[data-theme="light"] .nav-ico--articles {
  color: #5a6a80;
}

[data-theme="light"] .nav-ico--home {
  color: #4a5a70;
}

.nav-drop {
  position: relative;
}

.nav-drop > button::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.7;
  margin-left: 0.1rem;
}

.nav-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 0;
  min-width: 13rem;
  padding: 0.35rem;
  margin: 0;
  list-style: none;
  background: var(--bg-panel-solid);
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  z-index: 30;
}

.nav-drop.is-open > .nav-menu {
  display: block;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  padding: 0.5rem 0.65rem;
  border-radius: 0.35rem;
  color: var(--ltc-silver);
  font-size: 0.85rem;
}

.nav-menu a:hover,
.nav-menu a.is-active {
  background: var(--nav-menu-hover);
  color: var(--text);
}

.theme-toggle {
  margin-left: auto;
  flex-shrink: 0;
  appearance: none;
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: var(--ltc-silver);
  font: inherit;
  font-size: 0.8rem;
  padding: 0.45rem 0.65rem;
  border-radius: 0.4rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  line-height: 1.2;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--nav-hover-bg);
}

.theme-toggle .bi {
  font-size: 0.95em;
  line-height: 1;
}

.theme-toggle-label {
  font-weight: 550;
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--border);
  background: var(--chip-bg);
  color: var(--ltc-silver);
  font: inherit;
  font-size: 0.8rem;
  padding: 0.45rem 0.7rem;
  border-radius: 0.4rem;
  cursor: pointer;
  align-items: center;
  gap: 0.35rem;
}

.site-main {
  position: relative;
  z-index: 2;
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 1.75rem) clamp(0.85rem, 2.5vw, 1.5rem) clamp(2.5rem, 6vw, 4rem);
}

/* #site-footer: reserve space while empty (CLS) */
#site-footer,
.site-footer {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  min-height: var(--footer-h);
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-panel-solid);
}

.site-footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1.25rem clamp(0.85rem, 2.5vw, 1.5rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  color: var(--ltc-silver);
  font-size: 0.85rem;
}

.footer-brand {
  color: var(--ltc-silver);
  text-decoration: none;
}

.footer-brand:hover {
  color: var(--text);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.15rem;
  align-items: center;
}

.footer-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.55rem;
  border-radius: 0.35rem;
  color: var(--ltc-silver);
  text-decoration: none;
  font-size: 0.82rem;
}

.footer-nav-link:hover {
  color: var(--text);
  background: rgba(52, 93, 157, 0.18);
}

.footer-nav-link .nav-ico {
  font-size: 0.95em;
}

.site-footer a {
  color: var(--ltc-silver);
}

.site-footer a:hover {
  color: var(--text);
}

/* -- Breadcrumbs -- */
#breadcrumbs:empty {
  min-height: 1.425rem;
  margin: 0 0 1rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.45rem;
  align-items: center;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
  color: var(--ltc-muted);
}

.breadcrumbs a {
  color: var(--ltc-muted);
}

.breadcrumbs a:hover {
  color: var(--ltc-silver);
}

.breadcrumbs li:not(:last-child)::after {
  content: "›";
  margin-left: 0.45rem;
  color: var(--crumb-sep);
}

.breadcrumbs [aria-current="page"] {
  color: var(--ltc-silver);
}

/* -- Page chrome -- */
.page-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.2vw, 1.75rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.15;
}

/* Reserve icon slot before site-chrome inserts .page-title-ico */
.page-title:not(:has(.page-title-ico)) {
  padding-inline-start: calc(0.92em + 0.55rem);
}

.page-title-ico {
  font-size: 0.92em;
  line-height: 1;
  flex-shrink: 0;
}

.page-lead {
  margin: 0 0 1.5rem;
  max-width: none;
  width: 100%;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--ltc-muted);
}

.page-lead strong {
  font-family: inherit;
  font-weight: inherit;
  color: inherit;
}

.prose {
  max-width: var(--prose-max);
  width: 100%;
  line-height: 1.6;
  color: var(--ltc-silver);
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--bg-panel-solid);
}

.metrics-stage .prose {
  max-width: none;
}

.links-directory {
  max-width: none;
}

.links-directory h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.links-section-ico {
  flex-shrink: 0;
  font-size: 0.95em;
  line-height: 1;
  color: var(--section-ico);
}

.prose .page-title {
  margin: 0 0 1rem;
}

.prose p {
  margin: 0 0 1rem;
}

.prose > :first-child {
  margin-top: 0;
}

.prose > :last-child {
  margin-bottom: 0;
}

.prose h2 {
  margin: 1.75rem 0 0.65rem;
  font-size: 1.2rem;
  color: var(--text);
}

.prose h3 {
  margin: 1.35rem 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text);
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--ltc-silver);
}

.prose li {
  margin: 0.25rem 0;
}

.prose li::marker {
  color: var(--ltc-muted);
}

.prose ul.contacts-list {
  list-style: none;
  padding-left: 0;
}

.prose ul.contacts-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.45rem 0;
}

.prose ul.contacts-list .bi {
  flex: 0 0 auto;
  font-size: 1.15em;
  line-height: 1;
  color: var(--ltc-silver);
}

.prose ul.contacts-list .bi-telegram {
  color: #2aabee;
}

.prose ul.contacts-list .bi-envelope-fill {
  color: var(--ltc-blue-bright);
}

.prose a {
  color: var(--ltc-blue-bright);
  text-decoration: underline;
  text-decoration-color: var(--link-underline);
  text-underline-offset: 0.15em;
}

.prose a:hover {
  color: var(--ltc-silver);
}

.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  color: var(--text);
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 0.3rem;
}

.prose pre {
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--inset-bg-strong);
}

.prose pre code {
  padding: 0;
  background: transparent;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--ltc-silver);
}

/* Inline article highlights */
.prose-num {
  color: var(--ltc-blue-bright);
  font-weight: 600;
}

.prose-date,
.prose-term {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--crumb-sep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.prose-term {
  text-decoration-color: var(--card-hover-border);
}

/* -- External link cards (exchanges, services, wallets) -- */
.link-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 13.5rem), 1fr));
  gap: 0.75rem;
  margin: 0.85rem 0 1.35rem;
  padding: 0;
  list-style: none;
  align-items: stretch;
}

.link-cards > li {
  min-width: 0;
  display: flex;
}

.link-card {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  width: 100%;
  height: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  background: var(--inset-bg);
  color: var(--ltc-silver);
  text-decoration: none;
  overflow: hidden;
  min-width: 0;
  box-sizing: border-box;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease,
    box-shadow 0.15s ease;
}

.link-card:hover {
  color: var(--text);
  border-color: var(--card-hover-border);
  background: var(--card-hover-bg);
  box-shadow: 0 0 0 1px var(--card-hover-ring);
}

.link-card-logo {
  display: block;
  width: 32px;
  height: 32px;
  margin-top: 0.1rem;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
  background: transparent;
}

.link-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
  flex: 1;
  overflow: hidden;
  align-self: stretch;
}

.link-card-name {
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.25;
  color: inherit;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.link-card-kinds {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
}

.link-card-meta {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--ltc-silver);
  opacity: 0.72;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.os-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.wallet-kind {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.18rem 0.42rem 0.18rem 0.32rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}

.wallet-kind .bi {
  font-size: 0.68rem;
  line-height: 1;
}

.wallet-kind--website {
  color: #8fd4c8;
  background: rgba(60, 170, 150, 0.12);
  border-color: rgba(60, 170, 150, 0.3);
}

.wallet-kind--mobile {
  color: #9fd0ff;
  background: rgba(74, 140, 220, 0.14);
  border-color: rgba(74, 140, 220, 0.3);
}

.wallet-kind--desktop {
  color: #a8c8ef;
  background: rgba(90, 130, 190, 0.14);
  border-color: rgba(90, 130, 190, 0.3);
}

.wallet-kind--extension {
  color: #d4b4ff;
  background: rgba(140, 100, 220, 0.14);
  border-color: rgba(140, 100, 220, 0.32);
}

.wallet-kind--opensource {
  color: #9ed9b0;
  background: rgba(70, 160, 100, 0.14);
  border-color: rgba(70, 160, 100, 0.32);
}

.os-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  max-width: 100%;
  padding: 0.22rem 0.48rem 0.22rem 0.36rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
  color: var(--ltc-silver);
  background: rgba(197, 205, 216, 0.07);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.os-badge .bi {
  font-size: 0.72rem;
  line-height: 1;
  opacity: 0.95;
}

.os-badge-label {
  transform: translateY(0.02em);
}

.os-badge--windows {
  color: #9ec0ff;
  background: rgba(70, 120, 220, 0.14);
  border-color: rgba(70, 120, 220, 0.28);
}

.os-badge--macos {
  color: #d7dde8;
  background: rgba(210, 218, 230, 0.1);
  border-color: rgba(210, 218, 230, 0.22);
}

.os-badge--ios {
  color: #c9d4e8;
  background: rgba(120, 150, 200, 0.12);
  border-color: rgba(120, 150, 200, 0.26);
}

.os-badge--android {
  color: #b6e3a8;
  background: rgba(90, 170, 80, 0.12);
  border-color: rgba(90, 170, 80, 0.28);
}

.os-badge--linux {
  color: #efc28a;
  background: rgba(220, 140, 50, 0.12);
  border-color: rgba(220, 140, 50, 0.28);
}

.link-card:hover .os-badge {
  filter: brightness(1.08);
}

.prose .link-cards {
  max-width: none;
}

.prose a.link-card {
  color: var(--ltc-silver);
  text-decoration: none;
}

.prose a.link-card:hover {
  color: var(--text);
}

.prose a.link-card:hover .link-card-meta {
  color: var(--ltc-silver);
  opacity: 0.85;
}

.placeholder-note {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border: 1px dashed rgba(197, 205, 216, 0.28);
  border-radius: 0.55rem;
  color: var(--ltc-muted);
  font-size: 0.9rem;
  background: var(--bg-panel-solid);
}

/* -- Home -- */
.home-hero {
  margin-bottom: 1.75rem;
}

.home-brand {
  margin: 0 0 0.35rem;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ltc-silver);
}

.home-tagline {
  margin: 0;
  color: var(--ltc-muted);
  font-size: clamp(1rem, 2.4vw, 1.15rem);
  max-width: 40rem;
  line-height: 1.45;
}

.home-section {
  margin-bottom: 2rem;
}

.home-section-title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
  font-weight: 650;
  letter-spacing: -0.02em;
}

.home-section-title a {
  color: var(--ltc-silver);
  text-decoration: none;
}

.home-section-title a:hover {
  color: var(--text);
}

.home-section-lead {
  margin: 0 0 0.85rem;
  color: var(--ltc-muted);
  font-size: 0.92rem;
  line-height: 1.45;
  max-width: 42rem;
}

.home-section .explorer-chain-title:first-of-type {
  margin-top: 0.15rem;
}

.card-list--home-metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-list--home-metrics small {
  min-height: 4.2em;
}

@media (max-width: 960px) {
  .card-list--home-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .card-list--home-metrics {
    grid-template-columns: 1fr;
  }
}

/* -- Section lists -- */
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13.5rem, 1fr));
  gap: 0.65rem;
  width: 100%;
}

.card-list--chain {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  margin-bottom: 1.25rem;
}

.explorer-chain-title {
  margin: 1.35rem 0 0.55rem;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.explorer-chain-title:first-of-type {
  margin-top: 0.85rem;
}

@media (max-width: 720px) {
  .card-list--chain {
    grid-template-columns: 1fr;
  }
}

.card-list a {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  background: var(--bg-panel-solid);
  color: var(--ltc-silver);
}

.card-list a:hover {
  color: var(--text);
  border-color: var(--card-hover-border);
}

.card-list-title {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 650;
}

.card-list-title .nav-ico {
  font-size: 1.05em;
}

.card-list small {
  display: block;
  margin-top: 0.25rem;
  color: var(--ltc-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

.card-list--chain small {
  /* Keep title+blurb blocks similar height so previews line up across the row. */
  min-height: 4.2em;
}

.card-list-media {
  display: block;
  position: relative;
  margin-top: auto;
  padding-top: 0.7rem;
}

.card-list-media::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42%;
  border-radius: 0 0 0.45rem 0.45rem;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    color-mix(in srgb, var(--bg-panel-solid) 35%, transparent) 45%,
    var(--bg-panel-solid) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.card-list-img {
  display: block;
  width: 100%;
  /* Match export size 640×400 so every card frame is the same height. */
  aspect-ratio: 16 / 10;
  height: auto;
  margin: 0;
  padding: 0;
  object-fit: cover;
  object-position: top center;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  background: var(--inset-bg);
  box-sizing: border-box;
}

/* Metrics charts: keep full image (labels at edges) inside the rounded frame. */
.card-list:not(.card-list--chain) .card-list-img {
  object-fit: contain;
  object-position: center;
  padding: 0.45rem;
  background: var(--bg-panel-solid);
}

/* -- Metrics layout -- */
.metrics-layout {
  display: grid;
  grid-template-columns: 15.5rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  width: 100%;
}

.metrics-layout > .metrics-rail {
  grid-column: 1;
}

.metrics-layout > .metrics-stage {
  grid-column: 2;
  min-width: 0;
}

.metrics-rail {
  position: sticky;
  top: calc(var(--header-h) + 0.75rem);
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--bg-panel-solid);
}

.metrics-rail h2 {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ltc-muted);
  font-weight: 600;
}

.metrics-rail ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}

.metrics-rail a {
  display: block;
  padding: 0.45rem 0.55rem;
  border-radius: 0.4rem;
  color: var(--ltc-muted);
  font-size: 0.88rem;
}

.metrics-rail a:hover,
.metrics-rail a.is-active {
  background: rgba(52, 93, 157, 0.28);
  color: var(--text);
}

.metrics-stage {
  min-width: 0;
}

.metrics-sheet-btn {
  display: none;
}

@media (max-width: 960px) {
  .metrics-layout {
    grid-template-columns: 1fr;
  }

  .metrics-layout > .metrics-rail,
  .metrics-layout > .metrics-stage {
    grid-column: 1;
  }

  .metrics-rail {
    display: none;
    position: fixed;
    inset: auto 0 0 0;
    z-index: 40;
    max-height: min(70dvh, 28rem);
    overflow: auto;
    border-radius: 0.85rem 0.85rem 0 0;
    padding-bottom: calc(0.85rem + env(safe-area-inset-bottom, 0));
  }

  .metrics-rail.is-open {
    display: block;
  }

  .metrics-sheet-btn {
    display: inline-flex;
    appearance: none;
    border: 1px solid var(--border);
    background: var(--chip-bg);
    color: var(--ltc-silver);
    font: inherit;
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.45rem;
    cursor: pointer;
    margin-bottom: 0.75rem;
  }

  .metrics-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 35;
    background: var(--overlay-scrim);
  }

  .metrics-backdrop.is-open {
    display: block;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    padding: 0.65rem;
    background: var(--nav-sheet-bg);
    border-bottom: 1px solid var(--border);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-drop > .nav-menu {
    position: static;
    display: none;
    border: 0;
    background: transparent;
    padding: 0 0 0 0.5rem;
    margin-top: 0.15rem;
  }

  .nav-drop.is-open > .nav-menu {
    display: grid;
  }

  .site-header-inner {
    position: relative;
    flex-wrap: wrap;
  }
}

@media (max-width: 520px) {
  .theme-toggle-label {
    display: none;
  }
}

[data-theme="light"] .bg-canvas {
  opacity: 0.55;
}

[data-theme="light"] .os-badge--windows {
  color: #2f5fad;
  background: rgba(52, 93, 157, 0.1);
  border-color: rgba(52, 93, 157, 0.22);
}

[data-theme="light"] .os-badge--macos,
[data-theme="light"] .os-badge--ios {
  color: #3d4a5c;
  background: rgba(74, 90, 112, 0.08);
  border-color: rgba(74, 90, 112, 0.18);
}

[data-theme="light"] .os-badge--android {
  color: #2f7a3e;
  background: rgba(60, 140, 70, 0.1);
  border-color: rgba(60, 140, 70, 0.22);
}

[data-theme="light"] .os-badge--linux {
  color: #9a5a12;
  background: rgba(200, 120, 40, 0.1);
  border-color: rgba(200, 120, 40, 0.22);
}

[data-theme="light"] .wallet-kind--opensource {
  color: #1f7a68;
  background: rgba(40, 140, 120, 0.1);
  border-color: rgba(40, 140, 120, 0.24);
}

[data-theme="light"] .wallet-kind--website {
  color: #2a528c;
  background: rgba(52, 93, 157, 0.1);
  border-color: rgba(52, 93, 157, 0.22);
}

[data-theme="light"] .wallet-kind--extension {
  color: #5a3d9e;
  background: rgba(110, 80, 180, 0.1);
  border-color: rgba(110, 80, 180, 0.22);
}

@media (prefers-reduced-motion: reduce) {
  #site-header,
  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}