:root {
    --primary-white: #F5F5F5;
    --active-blue: #00B0FF;
    --matrix-gray: #455A64;
    --energy-gold: #FFD600;
    --text-dark: #263238;
}

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

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

.navbar {
    background-color: rgba(245, 245, 245, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 176, 255, 0.1);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--matrix-gray) !important;
}

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

.nav-link {
    color: var(--matrix-gray) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 40px;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--active-blue);
}

.card {
    border: none;
    border-radius: 0;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.footer {
    background-color: var(--matrix-gray);
    color: white;
    padding: 60px 0 30px;
}

.btn-primary {
    background-color: var(--active-blue);
    border: none;
    border-radius: 0;
    padding: 12px 30px;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: #0091ea;
}

/* Molecular Animation Background Placeholder */
#molecular-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
    pointer-events: none;
}

.data-badge {
    background: rgba(0, 176, 255, 0.1);
    color: var(--active-blue);
    padding: 4px 12px;
    border-left: 3px solid var(--active-blue);
    font-size: 0.85rem;
    font-weight: 600;
}