/* Nexus-Link Supply Chain Theme */
:root {
    --bg-dark: #1A1D24;
    --accent-blue: #00F5FF;
    --safety-yellow: #FFC107;
    --success-green: #00E676;
    --text-gray: #A0A0A0;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(0, 245, 255, 0.2);
}

body {
    background-color: var(--bg-dark);
    color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    overflow-x: hidden;
}

.font-mono-data {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* Navigation */
.navbar {
    background-color: rgba(26, 29, 36, 0.95);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    color: var(--accent-blue) !important;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-link {
    color: #ffffff !important;
    font-size: 0.9rem;
    text-transform: uppercase;
    margin: 0 10px;
    transition: color 0.3s;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-blue) !important;
}

/* Components */
.nexus-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nexus-card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.1);
    transform: translateY(-5px);
}

.nexus-btn {
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    padding: 10px 25px;
    border-radius: 0;
    text-transform: uppercase;
    font-weight: 600;
    transition: all 0.3s;
}

.nexus-btn:hover {
    background: var(--accent-blue);
    color: var(--bg-dark);
}

.text-accent { color: var(--accent-blue); }
.text-safety { color: var(--safety-yellow); }
.text-success { color: var(--success-green); }

/* Matrix Background Effect */
#matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 50px 0;
    margin-top: 100px;
    background: rgba(0, 0, 0, 0.3);
}

.footer-link {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--accent-blue);
}