/* NEBULA Group - base.css */
:root {
  --bg-deep: #060d18;
  --bg-elevated: #0c1628;
  --bg-card: #101e33;
  --border: rgba(0, 200, 232, 0.18);
  --text: #e8eef5;
  --text-muted: #8fa3b8;
  --accent: #00c8e8;
  --accent-dim: #0099b3;
  --accent-glow: rgba(0, 200, 232, 0.35);
  --gradient-hero: linear-gradient(135deg, #060d18 0%, #0a1a2e 40%, #0d2438 70%, #061018 100%);
  --font-sans: "DM Sans", "Inter", system-ui, sans-serif;
  --radius: 12px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  --max-width: 1200px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.65;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s, opacity 0.2s; }
a:hover { color: #5ee4f7; }
h1, h2, h3, h4 { line-height: 1.2; font-weight: 600; margin-top: 0; }
h1 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; color: var(--text-muted); }
p.lead { font-size: 1.125rem; color: var(--text); opacity: 0.92; }
ul { padding-left: 1.25rem; color: var(--text-muted); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}