:root {
    --lab-blue: #263238;
    --active-orange: #FF6F00;
    --pure-white: #ECEFF1;
    --eco-green: #00C853;
    --text-light: #f8f9fa;
    --text-dark: #212529;
    --border-color: rgba(236, 239, 241, 0.1);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Navbar Styling */
.navbar {
    background-color: rgba(38, 50, 56, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
}

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

.navbar-brand span {
    color: var(--active-orange);
}

.nav-link {
    color: var(--pure-white) !important;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0 10px;
    transition: color 0.3s ease;
}

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

/* Grid & Lines Aesthetic */
.grid-bg {
    background-image: linear-gradient(var(--border-color) 1px, transparent 1px),
                      linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Section Styling */
section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    border-left: 4px solid var(--active-orange);
    padding-left: 20px;
    margin-bottom: 40px;
}

/* Cards & Components */
.lab-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 0;
    padding: 25px;
    transition: all 0.3s ease;
}

.lab-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--active-orange);
}

.btn-pulse {
    background-color: var(--active-orange);
    color: white;
    border: none;
    border-radius: 0;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-pulse:hover {
    background-color: #e65100;
    color: white;
    transform: translateY(-2px);
}

.badge-eco {
    background-color: var(--eco-green);
    color: white;
}

/* Footer */
footer {
    background-color: #1a2327;
    padding: 60px 0 20px;
    font-size: 0.85rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}