:root {
  --page-panel: rgba(255, 255, 255, 0.08);
  --page-panel-soft: rgba(255, 255, 255, 0.04);
  --page-border: rgba(255, 255, 255, 0.14);
  --page-text: #ffffff;
  --page-muted: rgba(255, 255, 255, 0.78);
  --page-soft: rgba(255, 255, 255, 0.64);
  --page-blue: #93c5fd;
  --page-green: #22c55e;
  --page-green-text: #8bf0b3;
  --page-green-soft: rgba(34, 197, 94, 0.16);
  --page-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --page-radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--page-text);
  background:
    radial-gradient(circle at top, rgba(59, 130, 246, 0.18), transparent 32%),
    linear-gradient(180deg, #041448 0%, #02103a 100%);
  min-height: 100vh;
}

.wrap,
.page {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.wrap > p:first-child {
  margin: 0 0 28px;
}

.topnav,
.wrap > p:first-child {
  margin-bottom: 28px;
}

.topnav a,
.wrap > p:first-child a {
  color: var(--page-blue);
  text-decoration: none;
  margin-right: 16px;
  font-size: 14px;
}

.topnav a:hover,
.wrap > p:first-child a:hover,
.footerlinks a:hover,
.footer-links a:hover {
  text-decoration: underline;
}

.hero {
  text-align: center;
  margin-bottom: 24px;
}

.logo {
  width: 82px;
  margin-bottom: 12px;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.35));
}

h1 {
  margin: 0;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: 0;
  text-align: center;
}

.wrap > h1 {
  margin-top: 12px;
}

h2 {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.18;
  letter-spacing: 0;
}

.card h2 {
  margin: 26px 0 10px;
  font-size: 20px;
}

.card h2:first-child {
  margin-top: 0;
  font-size: 26px;
}

.wrap > h2,
.page > h2 {
  margin-top: 30px;
}

.sub,
.subtitle {
  max-width: 760px;
  margin: 16px auto 0;
  font-size: 20px;
  line-height: 1.5;
  color: var(--page-muted);
  text-align: center;
}

p,
li,
ol {
  color: var(--page-muted);
  line-height: 1.7;
  font-size: 16px;
}

ul,
ol {
  padding-left: 22px;
  margin: 10px 0 0;
}

a {
  color: var(--page-green-text);
  text-decoration: none;
}

.card {
  background: var(--page-panel);
  border: 1px solid var(--page-border);
  border-radius: var(--page-radius);
  box-shadow: var(--page-shadow);
  backdrop-filter: blur(12px);
  padding: 22px;
  margin-top: 20px;
}

.card:first-of-type {
  margin-top: 24px;
}

.cta,
.cta-btn {
  display: inline-block;
  margin-top: 10px;
  background: var(--page-green);
  color: #02140a;
  padding: 14px 22px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
}

.scan-address-wrap {
  display: inline-block;
  margin: 16px 0 10px;
  padding: 12px 18px;
  background: var(--page-green-soft);
  border: 1px solid rgba(34, 197, 94, 0.28);
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.scan-address {
  display: inline-block;
  font-size: 32px;
  font-weight: 800;
  color: var(--page-green-text);
  word-break: break-word;
  letter-spacing: 0;
}

.footerlinks,
.footer-links {
  margin-top: 30px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.footerlinks a,
.footer-links a {
  margin: 0 10px;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  display: inline-block;
}

@media (max-width: 800px) {
  h1 {
    font-size: 34px;
  }

  .sub,
  .subtitle {
    font-size: 18px;
  }

  .scan-address {
    font-size: 24px;
  }

  .wrap,
  .page {
    padding: 24px 16px 46px;
  }

  .logo {
    width: 74px;
  }
}