:root {
    --bg: #030814;
    --cyan: #00f0ff;
    --blue: #3b82f6;
    --text: #f0f9ff;
    --font-head: 'Orbitron', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: var(--font-body); overflow: hidden; height: 100vh; }

canvas#holoCanvas { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 1; opacity: 0.6; }

.nav { position: fixed; top: 0; width: 100%; padding: 2.5rem 4rem; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(0,240,255,0.2); z-index: 10; }
.logo { font-family: var(--font-head); font-size: 1.4rem; color: var(--cyan); }
.prism { font-size: 0.85rem; color: var(--blue); }

.hero { position: relative; z-index: 5; height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 0 2rem; }
h1 { font-family: var(--font-head); font-size: 3.5rem; line-height: 1.15; color: var(--cyan); text-shadow: 0 0 20px rgba(0,240,255,0.5); margin-bottom: 1.5rem; max-width: 850px; }
p { font-size: 1.2rem; color: #bae6fd; max-width: 600px; }