:root {
    --bg: #04060a;
    --cyan: #00f0ff;
    --violet: #8b5cf6;
    --text: #f1f5f9;
    --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-x: hidden; }

canvas#synapseCanvas { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 1; opacity: 0.5; pointer-events: none; }

.nav { position: fixed; top: 0; width: 100%; padding: 2rem 4rem; display: flex; justify-content: space-between; align-items: center; z-index: 10; background: rgba(4,6,10,0.8); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(0,240,255,0.2); }
.logo { font-family: var(--font-head); font-size: 1.4rem; color: var(--cyan); }
.links a { color: var(--text); text-decoration: none; margin-left: 2rem; font-size: 0.9rem; transition: 0.3s; }
.links a:hover { color: var(--cyan); }

.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; }
.badge { background: rgba(0,240,255,0.1); border: 1px solid var(--cyan); color: var(--cyan); padding: 6px 16px; border-radius: 100px; font-size: 0.8rem; letter-spacing: 2px; margin-bottom: 1.5rem; }
h1 { font-family: var(--font-head); font-size: 3.5rem; line-height: 1.15; margin-bottom: 1.5rem; color: var(--cyan); text-shadow: 0 0 20px rgba(0,240,255,0.4); max-width: 900px; }
p { font-size: 1.2rem; color: #94a3b8; max-width: 650px; margin-bottom: 2.5rem; }

.btn-primary { background: var(--cyan); color: #000; border: none; padding: 1rem 2.5rem; font-family: var(--font-body); font-weight: 700; cursor: pointer; transition: 0.3s; box-shadow: 0 0 20px rgba(0,240,255,0.5); }
.btn-primary:hover { background: var(--violet); color: #fff; box-shadow: 0 0 35px rgba(139,92,246,0.8); }

.section { position: relative; z-index: 5; padding: 6rem 4rem; max-width: 1100px; margin: 0 auto; }
.section h2 { font-family: var(--font-head); font-size: 2.2rem; color: var(--cyan); margin-bottom: 3rem; text-align: center; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.card { background: rgba(15,23,42,0.6); border: 1px solid rgba(0,240,255,0.2); padding: 2.5rem; border-radius: 12px; }
.card h3 { font-family: var(--font-head); font-size: 1.2rem; color: var(--cyan); margin-bottom: 1rem; }