/* FUTURISTIC DARK-GREEN THEME (Orbitron) */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;800&display=swap');

:root {
  --bg: #04100c;
  --card: #071814;
  --accent: #00ff99;
  --muted: #9feac1;
  --glass: rgba(5,20,16,0.55);
}

* { box-sizing: border-box }
body {
  margin: 0;
  font-family: 'Orbitron', sans-serif;
  background: linear-gradient(180deg, #010504 0%, var(--bg) 100%);
  color: var(--muted);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Navbar */
.navbar {
  background: rgba(4, 20, 15, 0.9);
  border-bottom: 1px solid rgba(0, 255, 153, 0.08);
  box-shadow: 0 0 15px rgba(0, 255, 153, 0.05);
  padding: 12px 20px;
  display: flex;
  justify-content: center;
  gap: 25px;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
}
.navbar a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s ease;
}
.navbar a:hover, .navbar a.active {
  color: var(--accent);
  text-shadow: 0 0 8px var(--accent);
}

/* Layout */
.container { max-width: 1100px; margin: 40px auto; padding: 0 20px }
.header { text-align: center; margin-bottom: 18px }
.title { color: var(--accent); font-size: 2.4rem; margin: 0; text-shadow: 0 0 18px rgba(0,255,153,0.12) }
.sub { color: #9feac1; margin-top: 6px; opacity: 0.9 }

/* Card base */
.card {
  background: linear-gradient(180deg, rgba(7,24,20,0.9), rgba(5,18,14,0.85));
  border: 1px solid rgba(0,255,153,0.08);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 6px 30px rgba(0,200,140,0.05), inset 0 1px 0 rgba(255,255,255,0.02);
  margin-bottom: 20px;
}

/* About */
.about p { color: #bfffd6; line-height: 1.6 }
.stats { display: flex; gap: 18px; margin-top: 18px; justify-content: center; flex-wrap: wrap }
.stat {
  background: linear-gradient(180deg, rgba(0,20,15,0.4), rgba(0,20,15,0.25));
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid rgba(0,255,153,0.04);
}
.stat h3 { color: var(--accent); margin: 0; font-size: 0.95rem }
.stat p { margin: 6px 0 0; font-weight: 700; color: #dfffe6 }

/* layout rows */
.card-row { display: flex; gap: 20px; align-items: flex-start }
.nodes-card { flex: 1; min-width: 260px }

/* Node list style */
.node-list { list-style: none; padding: 0; margin: 10px 0 0 }
.node-list li {
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(180deg, rgba(2,30,22,0.35), rgba(3,18,14,0.25));
  border: 1px solid rgba(0,200,140,0.04);
  padding: 12px 14px; border-radius: 10px; margin-bottom: 10px;
  color: #cffff0; font-size: 0.98rem;
}
.node-name { font-weight: 600 }
.status {
  font-weight: 700; padding: 6px 10px; border-radius: 999px; font-size: 0.85rem;
}
.status.up {
  background: linear-gradient(90deg, #003322, #00ff99);
  color: #001b0f;
  box-shadow: 0 4px 18px rgba(0,255,153,0.06);
}
.status.building {
  background: linear-gradient(90deg, #332200, #ff66c4);
  color: #2b0018;
  box-shadow: 0 4px 18px rgba(255,102,196,0.05);
}

/* Registration cards row */
.registration-row {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 20px;
  align-items: start;
}
.reg-card h2 { margin-top: 0 }
.reg-card p { color: #cfefe0 }

/* Authorized Sellers page */
.seller-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 25px;
}
.seller-item {
  background: linear-gradient(180deg, rgba(5,25,20,0.8), rgba(4,20,15,0.8));
  border: 1px solid rgba(0,255,153,0.08);
  border-radius: 12px;
  padding: 18px 20px;
}
.seller-item h3 {
  color: var(--accent);
  margin: 0 0 6px 0;
}
.seller-item p {
  color: #b8f3d8;
  font-size: 0.95rem;
}

/* Products Page */
.products-section {
  margin-top: 40px;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.product-card {
  background: linear-gradient(180deg, rgba(5,25,20,0.85), rgba(4,18,14,0.9));
  border: 1px solid rgba(0,255,153,0.1);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 4px 22px rgba(0,255,153,0.05);
}
.product-card h3 {
  color: var(--accent);
  margin: 0 0 10px 0;
}
.product-card p {
  color: #c0ffe0;
  font-size: 0.9rem;
  line-height: 1.5;
}
.product-card .features {
  margin-top: 10px;
  font-size: 0.88rem;
  color: #9feac1;
}
.product-card .price {
  margin-top: 8px;
  color: #00ff99;
  font-weight: 700;
}

/* Cleanse description */
.cleanse-description {
  margin-top: 60px;
  text-align: center;
  color: #bfffd6;
  line-height: 1.7;
  font-size: 1rem;
}
.cleanse-description h2 {
  color: var(--accent);
  text-shadow: 0 0 10px rgba(0,255,153,0.3);
}

/* Footer */
.footer {
  text-align: center;
  color: #87f1d1;
  opacity: 0.9;
  margin-top: 12px;
  padding-bottom: 40px;
}

/* Responsive */
@media (max-width: 900px) {
  .card-row { flex-direction: column }
  .registration-row { grid-template-columns: 1fr }
  .stats { flex-direction: column; gap: 10px }
}