:root {
    --cobalt-blue: #1A237E;
    --activation-green: #69F0AE;
    --glass-white: rgba(255, 255, 255, 0.8);
    --energy-orange: #FF6E40;
    --dark-bg: #0a0e2e;
    --text-light: #f8f9fa;
    --text-muted: #b0bec5;
}

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

.mono-font {
    font-family: 'Fira Code', 'Courier New', monospace;
}

/* Navigation */
.navbar {
    background-color: rgba(26, 35, 126, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(105, 240, 174, 0.3);
}

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

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

.nav-link:hover {
    color: var(--activation-green) !important;
}

/* Hero Section */
.hero-section {
    padding: 100px 0;
    background: radial-gradient(circle at center, #1A237E 0%, #0a0e2e 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-visual {
    position: relative;
    height: 400px;
    border: 1px solid rgba(105, 240, 174, 0.2);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Cards & Glassmorphism */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s, border-color 0.3s;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--activation-green);
}

.tech-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    background: rgba(105, 240, 174, 0.1);
    color: var(--activation-green);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(105, 240, 174, 0.3);
}

/* Typography */
h1, h2, h3, h4, h5 {
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.section-title {
    color: var(--activation-green);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* Footer */
footer {
    padding: 50px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 50px;
}

/* Math & Formulas */
.formula-block {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-left: 4px solid var(--activation-green);
    margin: 1.5rem 0;
    font-family: 'Fira Code', monospace;
}

/* Dashboard Mockup */
.dashboard-container {
    background: #05081a;
    border: 1px solid #1a237e;
    padding: 20px;
    border-radius: 8px;
}

.chart-placeholder {
    height: 200px;
    background: repeating-linear-gradient(
        0deg,
        rgba(26, 35, 126, 0.1),
        rgba(26, 35, 126, 0.1) 1px,
        transparent 1px,
        transparent 20px
    );
    border: 1px solid rgba(105, 240, 174, 0.1);
    position: relative;
}