:root {
  --bg: #0b1729;
  --panel: #111c32;
  --accent: #5be9a1;
  --accent-2: #6c8df5;
  --muted: #b8c2d8;
  --text: #e8eefc;
  --danger: #ff7b7b;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(108, 141, 245, 0.15), transparent 25%),
    radial-gradient(circle at 80% 0%, rgba(91, 233, 161, 0.16), transparent 28%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--accent-2);
}

.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

nav {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(11, 23, 41, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 10;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--text);
}

.brand .dot {
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(108, 141, 245, 0.65);
}

.nav-links {
  display: flex;
  gap: 14px;
}

.nav-links a {
  padding: 9px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--text);
  background: rgba(108, 141, 245, 0.12);
  border: 1px solid rgba(108, 141, 245, 0.15);
}

header.hero {
  padding: 54px 0 36px;
}

header.hero h1 {
  font-size: 38px;
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}

header.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 840px;
  line-height: 1.6;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}

.card {
  background: linear-gradient(145deg, rgba(17, 28, 50, 0.95), rgba(17, 28, 50, 0.86));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.card h2 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 22px;
}

.card .meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 6px;
}

.card ul {
  padding-left: 18px;
  margin: 8px 0 0;
  color: var(--text);
}

.card li + li {
  margin-top: 6px;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(91, 233, 161, 0.16);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.3px;
  font-size: 13px;
  border: 1px solid rgba(91, 233, 161, 0.35);
  margin-bottom: 14px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}

.section-title h3 {
  margin: 0;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
}

.section-title .line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(108, 141, 245, 0.5), rgba(91, 233, 161, 0.2));
}

footer {
  margin-top: 46px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  padding: 26px 0 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.notice {
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(108, 141, 245, 0.35);
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--muted);
  margin-bottom: 12px;
}

.highlight {
  color: var(--accent);
}

@media (max-width: 700px) {
  header.hero h1 {
    font-size: 30px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-inner {
    gap: 12px;
  }
}