:root {
  --bg: #0f172a;
  --surface: #111827;
  --surface-soft: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --primary: #22c55e;
  --primary-hover: #16a34a;
  --white: #ffffff;
  --container: 1100px;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid #1e293b;
  backdrop-filter: blur(6px);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
}

.logo {
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--white);
}
.card {
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--surface-soft);
  margin-bottom: 1.5rem;
}