:root {
    --steel-silver: #B0BEC5;
    --kinetic-blue: #1A237E;
    --efficiency-yellow: #FBC02D;
    --asphalt-gray: #263238;
    --light-gray: #ECEFF1;
    --dark-blue: #0D47A1;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--steel-silver);
    color: var(--asphalt-gray);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto Condensed', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Navbar Styling */
.navbar {
    background-color: rgba(26, 35, 126, 0.95) !important;
    border-bottom: 3px solid var(--efficiency-yellow);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 900;
    color: white !important;
    font-size: 1.5rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: all 0.3s ease;
}

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

/* Industrial Blueprint Background */
.blueprint-bg {
    background-image: 
        linear-gradient(rgba(176, 190, 197, 0.9), rgba(176, 190, 197, 0.9)),
        radial-gradient(circle at 2px 2px, rgba(26, 35, 126, 0.1) 1px, transparent 0);
    background-size: 100% 100%, 40px 40px;
}

/* Section Styling */
section {
    padding: 80px 0;
}

.section-title {
    border-left: 5px solid var(--kinetic-blue);
    padding-left: 20px;
    margin-bottom: 40px;
}

/* Card Styling */
.industrial-card {
    background: white;
    border: none;
    border-radius: 0;
    border-top: 4px solid var(--kinetic-blue);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.industrial-card:hover {
    transform: translateY(-5px);
}

/* Footer */
footer {
    background-color: var(--asphalt-gray);
    color: white;
    padding: 60px 0 20px;
}

.footer-logo {
    font-weight: 900;
    color: var(--efficiency-yellow);
}

/* Animations */
@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.rotating-part {
    animation: rotateSlow 20s linear infinite;
}

/* Custom Buttons */
.btn-industrial {
    background-color: var(--kinetic-blue);
    color: white;
    border-radius: 0;
    padding: 12px 30px;
    font-weight: bold;
    border: none;
    transition: all 0.3s ease;
}

.btn-industrial:hover {
    background-color: var(--dark-blue);
    color: var(--efficiency-yellow);
}