:root {
  --ink: #17201d;
  --muted: #5c6863;
  --paper: #f5f7f4;
  --card: #ffffff;
  --line: #dfe6e1;
  --green: #126b4d;
  --green-dark: #0b4a35;
  --mint: #dff5e9;
  --lime: #c9f15d;
  --amber: #9c5d00;
  --amber-bg: #fff4d8;
  --red: #a13333;
  --red-bg: #fff0f0;
  --shadow: 0 18px 45px rgba(17, 51, 38, 0.09);
  --radius: 18px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.68;
}

a { color: var(--green); }
a:hover { color: var(--green-dark); }

.shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  color: #fff;
  background:
    radial-gradient(circle at 90% 20%, rgba(201, 241, 93, 0.18), transparent 28%),
    linear-gradient(135deg, #082e23 0%, #0d503a 58%, #126b4d 100%);
  padding-bottom: 64px;
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand:hover { color: #fff; }

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #0b3c2c;
  background: var(--lime);
  border-radius: 11px;
  font-size: 13px;
  letter-spacing: 0.04em;
}

nav {
  display: flex;
  gap: 22px;
}

nav a {
  color: rgba(255,255,255,0.82);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

nav a:hover { color: #fff; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  gap: 52px;
  align-items: center;
  padding-top: 68px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--lime);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2, h3 {
  line-height: 1.16;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 6vw, 68px);
}

.lede {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255,255,255,0.82);
  font-size: 20px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.hero-points span {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.06);
  font-size: 13px;
  font-weight: 700;
}

.licence-checker {
  color: var(--ink);
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.48);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.checker-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.checker-heading .eyebrow { color: var(--green); }

.checker-heading h2 {
  margin: 0;
  font-size: 28px;
}

.data-date {
  flex: 0 0 auto;
  padding: 6px 9px;
  color: var(--green-dark);
  background: var(--mint);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.licence-checker > p {
  color: var(--muted);
  font-size: 14px;
}

.checker-form label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 800;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px;
}

input,
button { font: inherit; }

input {
  width: 100%;
  min-width: 0;
  padding: 12px 14px;
  color: var(--ink);
  background: #fbfcfb;
  border: 1px solid #cad5cf;
  border-radius: 10px;
  outline: none;
}

input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(18,107,77,0.13);
}

.input-row button {
  padding: 12px 18px;
  color: #0b3427;
  background: var(--lime);
  border: 0;
  border-radius: 10px;
  font-weight: 850;
  cursor: pointer;
}

.input-row button:hover { filter: brightness(0.96); }

.quick-picks {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.quick-picks button {
  padding: 5px 10px;
  color: var(--green);
  background: transparent;
  border: 1px solid #cbd8d1;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}

.quick-picks button:hover { background: var(--mint); }

.checker-result {
  margin-top: 16px;
  padding: 16px;
  background: #f2faf6;
  border: 1px solid #a9d8c1;
  border-radius: 12px;
  font-size: 14px;
}

.checker-result.is-unknown {
  background: var(--red-bg);
  border-color: #e3bcbc;
}

.result-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-weight: 850;
  font-size: 17px;
}

.status-dot {
  width: 9px;
  height: 9px;
  background: #1a9a63;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(26,154,99,0.13);
}

.is-unknown .status-dot {
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(161,51,51,0.12);
}

.result-grid {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 4px 10px;
}

.result-grid dt { color: var(--muted); }
.result-grid dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.result-grid a { font-weight: 800; }

.checker-note {
  margin-bottom: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px !important;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 820px) 230px;
  gap: 42px;
  align-items: start;
  padding-block: 54px 80px;
}

article { min-width: 0; }

.content-card {
  margin-bottom: 20px;
  padding: clamp(24px, 5vw, 46px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.content-card p:first-child:not(.section-kicker) { margin-top: 0; }
.content-card p:last-child { margin-bottom: 0; }
.intro-card { font-size: 19px; }

.section-kicker {
  color: var(--green);
  margin-bottom: 8px;
}

.content-card h2 {
  margin: 0 0 20px;
  font-size: clamp(28px, 4vw, 39px);
}

.content-card h3 {
  margin: 34px 0 10px;
  font-size: 23px;
}

.content-card ul,
.content-card ol { padding-left: 24px; }

.content-card li { margin: 8px 0; }

.notice {
  margin-top: 24px;
  padding: 16px 18px;
  color: var(--green-dark);
  background: var(--mint);
  border-left: 4px solid var(--green);
  border-radius: 8px;
  font-size: 15px;
}

.notice.warning {
  color: #65400a;
  background: var(--amber-bg);
  border-left-color: #dc920f;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  margin: 24px 0 10px;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--line);
}

th {
  color: #fff;
  background: var(--green-dark);
  font-size: 13px;
  letter-spacing: 0.01em;
}

tbody tr:nth-child(even) { background: #f7faf8; }

.table-note {
  color: var(--muted);
  font-size: 13px;
}

.game-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 24px;
}

.game-grid > div {
  padding: 20px;
  background: #f7faf8;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.game-grid h3 { margin: 0 0 8px; font-size: 19px; }
.game-grid p { margin: 0; font-size: 15px; }

.check-list { list-style: none; padding: 0 !important; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 900;
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.faq details:last-child { border-bottom: 1px solid var(--line); }

.faq summary {
  cursor: pointer;
  font-weight: 800;
  line-height: 1.35;
}

.faq details p {
  margin-bottom: 0;
  color: var(--muted);
}

.sources li { margin-bottom: 10px; }

.side-nav {
  position: sticky;
  top: 20px;
  padding: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(17,51,38,0.05);
  font-size: 13px;
}

.side-nav strong {
  display: block;
  margin-bottom: 10px;
  font-size: 15px;
}

.side-nav a {
  display: block;
  padding: 6px 0;
  color: var(--muted);
  text-decoration: none;
}

.side-nav a:hover { color: var(--green); }

footer {
  color: rgba(255,255,255,0.76);
  background: #071f18;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 28px;
}

footer p { margin: 0; }

/* Live crypto price tracker */

.crypto-market {
  position: relative;
  z-index: 2;
  margin-top: -30px;
}

.crypto-market-panel {
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.crypto-market-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 24px;
}

.crypto-market-heading .section-kicker {
  margin-bottom: 7px;
}

.crypto-market-heading h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 36px);
}

.crypto-market-heading p {
  max-width: 650px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.crypto-market-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 9px;
  flex: 0 0 auto;
}

.crypto-market-status {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.crypto-market-status.is-error {
  color: var(--red);
}

.crypto-refresh-button {
  padding: 9px 14px;
  color: var(--green-dark);
  background: var(--mint);
  border: 1px solid #a9d8c1;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.crypto-refresh-button:hover {
  background: #d2efdf;
}

.crypto-refresh-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.crypto-price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.crypto-price-card {
  min-width: 0;
  padding: 17px;
  background: #f7faf8;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.crypto-price-card:hover {
  transform: translateY(-2px);
  border-color: #bdd1c7;
  box-shadow: 0 9px 24px rgba(17, 51, 38, 0.07);
}

.crypto-price-card.is-loading {
  opacity: 0.65;
}

.crypto-coin-heading {
  display: flex;
  align-items: center;
  gap: 10px;
}

.crypto-coin-heading > div {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.crypto-coin-heading strong {
  overflow: hidden;
  font-size: 14px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.crypto-coin-heading span:not(.crypto-coin-icon) {
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
}

.crypto-coin-icon {
  width: 34px;
  height: 34px;
  display: grid;
  flex: 0 0 34px;
  place-items: center;
  color: #fff;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 900;
}

.crypto-coin-icon--btc {
  background: #f7931a;
}

.crypto-coin-icon--eth {
  background: #627eea;
}

.crypto-coin-icon--ltc {
  background: #345d9d;
}

.crypto-coin-icon--usdt {
  background: #26a17b;
}

.crypto-coin-icon--sol {
  background: linear-gradient(135deg, #00ffa3, #9945ff);
}

.crypto-coin-icon--doge {
  background: #c2a633;
}

.crypto-coin-icon--xrp {
  background: #23292f;
}

.crypto-price {
  margin-top: 16px;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 20px;
  font-weight: 850;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.crypto-change {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.crypto-change.is-up {
  color: #147548;
}

.crypto-change.is-down {
  color: var(--red);
}

.crypto-change.is-neutral {
  color: var(--muted);
}

.crypto-market-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.crypto-market-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.crypto-market-footer a {
  font-weight: 800;
}

@media (max-width: 760px) {
  .crypto-market {
    margin-top: -18px;
  }

  .crypto-market-panel {
    padding: 21px;
  }

  .crypto-market-heading {
    display: block;
  }

  .crypto-market-controls {
    align-items: flex-start;
    margin-top: 17px;
  }

  .crypto-price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .crypto-market-footer {
    display: block;
  }

  .crypto-market-footer p + p {
    margin-top: 7px;
  }
}

@media (max-width: 400px) {
  .crypto-price-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 36px; }
  .article-layout { grid-template-columns: 1fr; }
  .side-nav { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .shell { width: min(100% - 24px, 1180px); }
  .site-header { padding-bottom: 34px; }
  .topbar { min-height: 64px; }
  .brand { font-size: 14px; }
  .hero { padding-top: 38px; }
  h1 { font-size: 42px; }
  .lede { font-size: 17px; }
  .licence-checker { padding: 20px; border-radius: 18px; }
  .checker-heading { display: block; }
  .data-date { display: inline-block; margin-top: 10px; }
  .input-row { grid-template-columns: 1fr; }
  .input-row button { width: 100%; }
  .result-grid { grid-template-columns: 1fr; }
  .result-grid dt { margin-top: 6px; }
  .article-layout { padding-block: 28px 48px; }
  .content-card { padding: 24px 20px; border-radius: 14px; }
  .game-grid { grid-template-columns: 1fr; }
  th, td { min-width: 155px; }
  .footer-inner { display: block; }
  footer p + p { margin-top: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}