:root {
  --bg: #070b14;
  --bg-soft: #0e1628;
  --card: rgba(17, 25, 40, 0.72);
  --border: rgba(125, 180, 255, 0.24);
  --text: #e6edf8;
  --muted: #9fb0ca;
  --accent: #84b8ff;
  --accent-2: #7a8cff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 420px at -10% -10%, #263a78 0%, transparent 60%),
    radial-gradient(1000px 460px at 120% 10%, #3e2f70 0%, transparent 62%),
    linear-gradient(180deg, #070b14 0%, #0b1120 100%);
  min-height: 100vh;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
  transition: 0.2s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  border-color: var(--border);
  background: rgba(132, 184, 255, 0.12);
}

.hero,
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(6px);
}

.hero {
  padding: 26px 22px;
  margin-bottom: 16px;
}

.hero h1 {
  margin: 0 0 6px;
  font-size: 28px;
  line-height: 1.2;
}

.hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.panel {
  padding: 24px 22px;
}

.panel h2 {
  font-size: 20px;
  margin: 24px 0 8px;
}

.panel h2:first-child {
  margin-top: 0;
}

.panel p,
.panel li {
  color: #d2ddf0;
  line-height: 1.75;
}

.panel ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.meta {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.tile {
  display: block;
  text-decoration: none;
  color: inherit;
  background: rgba(132, 184, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  transition: 0.2s ease;
}

.tile:hover {
  transform: translateY(-1px);
  background: rgba(132, 184, 255, 0.14);
}

.tile-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.tile-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

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

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