:root {
    --bg: #030a06;
    --green: #00ff66;
    --cyan: #00f0ff;
    --text: #e2e8f0;
    --font: 'Share Tech Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: var(--font); overflow: hidden; height: 100vh; }

canvas#dnaCanvas { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 1; opacity: 0.5; }

.nav { position: fixed; top: 0; width: 100%; padding: 2.5rem 4rem; display: flex; justify-content: space-between; align-items: center; z-index: 10; border-bottom: 1px solid rgba(0,255,102,0.2); }
.logo { font-size: 1.4rem; color: var(--green); letter-spacing: 2px; }
.status { font-size: 0.85rem; color: var(--cyan); border: 1px solid var(--green); padding: 6px 14px; }

.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-size: 3.5rem; line-height: 1.15; margin-bottom: 1.5rem; color: var(--green); text-shadow: 0 0 15px rgba(0,255,102,0.5); max-width: 850px; }
p { font-size: 1.2rem; color: #94a3b8; max-width: 650px; margin-bottom: 2.5rem; }

.btn-gene { background: transparent; border: 1px solid var(--green); color: var(--green); padding: 1rem 2.5rem; font-family: var(--font); font-size: 1rem; cursor: pointer; transition: 0.3s; }
.btn-gene:hover { background: var(--green); color: #000; box-shadow: 0 0 30px rgba(0,255,102,0.8); }