* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #070b14;
  --panel: #0d1422;
  --panel2: #111a2b;
  --text: #f5f7fb;
  --muted: #9aa7ba;
  --accent: #36e0a1;
  --accent2: #48a9ff;
  --border: rgba(255,255,255,.08);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 10%, rgba(54,224,161,.12), transparent 30%),
    radial-gradient(circle at 10% 20%, rgba(72,169,255,.10), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.navbar {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6%;
  border-bottom: 1px solid var(--border);
  background: rgba(7,11,20,.82);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
}

.logo {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #061019;
  font-weight: 900;
}

nav {
  display: flex;
  gap: 28px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

nav a:hover {
  color: var(--text);
}

button,
.primary-btn,
.secondary-btn {
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
}

.connect-btn,
.primary-btn {
  background: linear-gradient(135deg, var(--accent), #6af0bd);
  color: #061019;
  font-weight: 800;
  padding: 12px 20px;
  border-radius: 10px;
}

.secondary-btn {
  padding: 11px 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  background: rgba(255,255,255,.03);
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  align-items: center;
  gap: 60px;
  padding: 90px 8%;
}

.badge,
.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.6px;
}

.hero h1 {
  max-width: 800px;
  font-size: clamp(44px, 6vw, 78px);
  line-height: 1.02;
  margin: 20px 0;
  letter-spacing: -3px;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  color: transparent;
}

.hero p {
  max-width: 650px;
  color: var(--muted);
  font-size: 18px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-card {
  background: linear-gradient(145deg, rgba(54,224,161,.12), rgba(72,169,255,.07));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 38px;
  text-align: center;
  box-shadow: 0 30px 100px rgba(0,0,0,.25);
}

.coin {
  width: 110px;
  height: 110px;
  margin: 25px auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 48px;
  font-weight: 900;
  color: #061019;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 60px rgba(54,224,161,.25);
}

.card-label,
.hero-card p,
.stat-card span,
.stat-card small,
.balance-card > span {
  color: var(--muted);
}

.status {
  margin-top: 25px;
  color: var(--accent);
  font-size: 13px;
}

.status span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
}

.section {
  padding: 80px 8%;
}

.section-heading {
  margin-bottom: 30px;
}

.section h2 {
  font-size: 38px;
  margin-top: 5px;
}

.stats,
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card,
.feature,
.action-card,
.balance-card,
.merchant-card {
  background: rgba(13,20,34,.85);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
}

.stat-card strong {
  display: block;
  font-size: 24px;
  margin: 8px 0;
}

.wallet-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.balance {
  font-size: 42px;
  font-weight: 800;
  margin: 20px 0;
}

.balance small {
  font-size: 15px;
  color: var(--accent);
}

.address {
  color: var(--muted);
  background: rgba(255,255,255,.03);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 20px;
  overflow: hidden;
}

.actions {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 10px;
  margin-top: 20px;
}

.actions button {
  background: rgba(255,255,255,.04);
  color: var(--text);
  padding: 22px 10px;
  border-radius: 12px;
}

.actions b {
  display: block;
  font-size: 26px;
  color: var(--accent);
}

.merchant-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.merchant-card p,
.feature p {
  color: var(--muted);
  max-width: 700px;
}

.features {
  grid-template-columns: repeat(4,1fr);
}

.feature-icon {
  font-size: 30px;
  color: var(--accent);
  margin-bottom: 12px;
}

.cta {
  margin: 40px 8% 90px;
  padding: 70px 30px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(54,224,161,.1), rgba(72,169,255,.08));
}

.cta h2 {
  font-size: 45px;
}

.cta p {
  color: var(--muted);
  margin: 10px 0 25px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 30px 8%;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  gap: 20px;
}

footer div {
  display: flex;
  gap: 15px;
}

#toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 350px;
  background: var(--panel2);
  border: 1px solid var(--border);
  padding: 15px 18px;
  border-radius: 12px;
  display: none;
  z-index: 100;
}

@media (max-width: 850px) {
  nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
  }

  .hero-card {
    max-width: 400px;
  }

  .stats,
  .features {
    grid-template-columns: 1fr 1fr;
  }

  .wallet-grid {
    grid-template-columns: 1fr;
  }

  .merchant-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .navbar {
    padding: 0 20px;
  }

  .connect-btn {
    padding: 9px 12px;
    font-size: 12px;
  }

  .hero,
  .section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .stats,
  .features {
    grid-template-columns: 1fr;
  }

  .actions {
    grid-template-columns: 1fr;
  }

  .cta {
    margin-left: 20px;
    margin-right: 20px;
  }

  footer {
    flex-direction: column;
  }
}