:root {
    --steel-silver: #8E8E93;
    --electric-cyan: #00AEEF;
    --melt-orange: #FF8C00;
    --clean-white: #FFFFFF;
    --dark-bg: #1a1a1a;
    --steel-texture: linear-gradient(135deg, #8E8E93 0%, #636366 100%);
}

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

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

/* Navbar Styling */
.navbar {
    background-color: rgba(26, 26, 26, 0.95);
    border-bottom: 1px solid var(--steel-silver);
    backdrop-filter: blur(10px);
}

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

.nav-link {
    color: var(--clean-white) !important;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

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

/* Industrial Aesthetic Elements */
.section-title {
    border-left: 4px solid var(--electric-cyan);
    padding-left: 15px;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.card-industrial {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(142, 142, 147, 0.3);
    border-radius: 0;
    transition: all 0.3s ease;
}

.card-industrial:hover {
    border-color: var(--electric-cyan);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.btn-plastix {
    background-color: transparent;
    border: 1px solid var(--electric-cyan);
    color: var(--electric-cyan);
    border-radius: 0;
    padding: 10px 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-plastix:hover {
    background-color: var(--electric-cyan);
    color: var(--dark-bg);
}

/* Animation for Mold Filling (Simulation) */
@keyframes meltFlow {
    0% { width: 0%; opacity: 0.5; }
    100% { width: 100%; opacity: 1; }
}

.flow-indicator {
    height: 4px;
    background: var(--melt-orange);
    box-shadow: 0 0 10px var(--melt-orange);
    animation: meltFlow 2s infinite ease-in-out;
}

/* Footer */
footer {
    border-top: 1px solid rgba(142, 142, 147, 0.2);
    padding: 50px 0;
    margin-top: 100px;
    background: #111;
}