:root {
    --primary-blue: #0D47A1;
    --accent-cyan: #B3E5FC;
    --steel-silver: #9E9E9E;
    --warning-red: #D32F2F;
    --dark-bg: #0a192f;
    --text-light: #e6f1ff;
    --text-gray: #8892b0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background-color: rgba(13, 71, 161, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(179, 229, 252, 0.2);
}

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

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

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

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at center, #1a365d 0%, #0a192f 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1581092160562-40aa08e78837?auto=format&fit=crop&q=80&w=2000') center/cover no-repeat;
    opacity: 0.15;
    mix-blend-mode: overlay;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.brand-claim {
    color: var(--accent-cyan);
    font-size: 1.2rem;
    letter-spacing: 4px;
    margin-bottom: 1rem;
}

/* Cards & Sections */
.card-industrial {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(158, 158, 158, 0.2);
    border-radius: 0;
    transition: all 0.3s;
}

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

.section-title {
    border-left: 4px solid var(--accent-cyan);
    padding-left: 15px;
    margin-bottom: 30px;
    font-weight: 700;
}

/* Technical Specs */
.spec-table {
    color: var(--text-light);
    border-color: rgba(158, 158, 158, 0.3);
}

.spec-table th {
    background: rgba(13, 71, 161, 0.5);
    color: var(--accent-cyan);
}

/* Dashboard Elements */
.stat-box {
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--accent-cyan);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-cyan);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-gray);
    text-transform: uppercase;
}

/* Footer */
footer {
    background: #050c16;
    padding: 50px 0;
    border-top: 1px solid rgba(158, 158, 158, 0.1);
}