@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;800&family=JetBrains+Mono:wght@500&display=swap');

:root {
    --bg: #ffffff;
    --text: #0f172a;
    --accent: #3b82f6;
    --border: #f1f5f9;
    --muted: #64748b;
}

body, html {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Plus Jakarta Sans', sans-serif;
    overflow-x: hidden;
}

#canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    opacity: 0.6;
    pointer-events: none;
}

nav {
    padding: 30px 6%;
    display: flex; justify-content: space-between; align-items: center;
    position: relative; z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.logo {
    font-weight: 800; font-size: 1.6rem;
    letter-spacing: -1px; text-transform: uppercase;
}
.logo span { color: var(--accent); }

.nav-cta {
    text-decoration: none; color: white;
    font-size: 0.75rem; font-weight: 800;
    padding: 12px 28px; background: var(--text);
    border-radius: 4px;
    text-transform: uppercase; letter-spacing: 1px;
    transition: 0.3s;
}
.nav-cta:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.hero {
    padding: 60px 6% 80px 6%;
    position: relative; z-index: 1;
    max-width: 900px;
}

.intelligence-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem; color: var(--accent);
    background: rgba(59, 130, 246, 0.08);
    padding: 6px 14px; border-radius: 20px;
    margin-bottom: 20px; display: inline-block;
    letter-spacing: 1px;
}

h1 {
    font-size: clamp(3.5rem, 12vw, 7rem);
    font-weight: 800; line-height: 0.9;
    margin: 0; letter-spacing: -4px;
}

.hero-p {
    margin-top: 30px; font-size: 1.3rem;
    color: var(--muted); max-width: 550px;
    line-height: 1.5; font-weight: 300;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1px;
    background: var(--border);
    position: relative; z-index: 1;
    border-top: 1px solid var(--border);
}

.card {
    background: white;
    border-radius: 0;
    padding: 50px 45px;
    transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover { background: #fafafa; }

.node-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem; color: #cbd5e1;
    margin-bottom: 15px; display: block;
}

h3 { font-size: 1.7rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.5px; color: var(--text); }
p { color: var(--muted); line-height: 1.6; margin: 0; font-size: 1rem; }

footer {
    padding: 20px 6%;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem; color: #94a3b8;
    position: relative; z-index: 1;
    background: white;
    border-top: 1px solid var(--border);
}

footer div { margin-bottom: 6px; }