:root {
  --bg: #0b0f1a;
  --panel: #12182a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at top, #1e293b, var(--bg));
  color: var(--text);
  line-height: 1.6;
}

header {
  border-bottom: 1px solid #1f2937;
  backdrop-filter: blur(10px);
}

nav {
  max-width: 1100px;
  margin: auto;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 14px;
  font-weight: 500;
}

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

main {
  max-width: 1100px;
  margin: auto;
  padding: 40px 20px;
}

.card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0,0,0,.4);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 10px;
}

.hero p {
  color: var(--muted);
  max-width: 60ch;
}

.buttons {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--accent);
  color: #020617;
  font-weight: 600;
  text-decoration: none;
}

.button.secondary {
  background: #1e293b;
  color: var(--text);
}

.section {
  margin-top: 40px;
}

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.item h3 {
  margin: 0 0 6px;
}

footer {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid #1f2937;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

@media print {
  nav, footer, .buttons { display: none; }
  body { background: white; color: black; }
  .card { box-shadow: none; }
}