:root {
    --optic-black: #010203;
    --laser-red: #FF1744;
    --coating-blue: #2979FF;
    --spectrum-gold: #FFEA00;
    --titanium-gray: #1A1A1B;
    --glass-bg: rgba(1, 2, 3, 0.85);
}

body {
    background-color: var(--optic-black);
    color: #E0E0E0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    overflow-x: hidden;
}

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

/* Navbar Styling */
.navbar {
    background: rgba(1, 2, 3, 0.95);
    border-bottom: 1px solid rgba(41, 121, 255, 0.3);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--laser-red) !important;
}

.nav-link {
    color: #AAA !important;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--coating-blue) !important;
    text-shadow: 0 0 8px var(--coating-blue);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #0a0a0a 0%, #010203 100%);
}

.hero-content {
    z-index: 10;
}

.laser-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--laser-red), transparent);
    width: 100%;
    opacity: 0.5;
}

/* Cards & Containers */
.optic-card {
    background: var(--titanium-gray);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.optic-card:hover {
    border-color: var(--coating-blue);
    box-shadow: 0 0 20px rgba(41, 121, 255, 0.2);
    transform: translateY(-5px);
}

.optic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 0;
    background: var(--laser-red);
    transition: height 0.4s ease;
}

.optic-card:hover::before {
    height: 100%;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.text-gradient-blue {
    background: linear-gradient(45deg, #2979FF, #00E5FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-laser-red { color: var(--laser-red); }
.text-coating-blue { color: var(--coating-blue); }
.text-spectrum-gold { color: var(--spectrum-gold); }

/* Footer */
footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 4rem 0;
    background: #000;
}

/* Animations */
@keyframes pulse-laser {
    0% { opacity: 0.3; }
    50% { opacity: 0.8; }
    100% { opacity: 0.3; }
}

.animate-pulse-laser {
    animation: pulse-laser 2s infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--optic-black);
}
::-webkit-scrollbar-thumb {
    background: var(--titanium-gray);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--coating-blue);
}