body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0a0f0a;
            color: #e4e4e7;
            line-height: 1.7;
        }
        .gradient-text {
            background: linear-gradient(135deg, #34d399 0%, #60a5fa 50%, #a78bfa 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .glow-border {
            border: 1px solid rgba(52, 211, 153, 0.2);
            box-shadow: 0 0 30px rgba(52, 211, 153, 0.05), inset 0 0 30px rgba(52, 211, 153, 0.02);
        }
        .section-card {
            background: rgba(20, 24, 24, 0.6);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            padding: 2.5rem;
            margin-bottom: 2rem;
        }
        .atom {
            position: relative;
            display: inline-block;
            width: 100px;
            height: 100px;
        }
        .nucleus {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 30px;
            height: 30px;
            background: radial-gradient(circle, #34d399, #60a5fa);
            border-radius: 50%;
            box-shadow: 0 0 20px rgba(52, 211, 153, 0.5);
        }
        .orbit {
            position: absolute;
            top: 50%;
            left: 50%;
            border: 1px solid rgba(52, 211, 153, 0.4);
            border-radius: 50%;
            transform: translate(-50%, -50%);
        }
        .orbit-1 { width: 70px; height: 70px; }
        .proton {
            position: absolute;
            width: 8px;
            height: 8px;
            background: #f87171;
            border-radius: 50%;
            box-shadow: 0 0 8px #f87171;
        }
        .neutron {
            position: absolute;
            width: 8px;
            height: 8px;
            background: #94a3b8;
            border-radius: 50%;
            box-shadow: 0 0 8px #94a3b8;
        }
        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 20px rgba(52, 211, 153, 0.5); }
            50% { box-shadow: 0 0 40px rgba(52, 211, 153, 0.8); }
        }
        .nucleus { animation: pulse-glow 3s ease-in-out infinite; }
        .explosion-demo {
            position: relative;
            width: 200px;
            height: 200px;
            margin: 2rem auto;
        }
        .core {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 40px;
            height: 40px;
            background: radial-gradient(circle, #fff, #34d399);
            border-radius: 50%;
            box-shadow: 0 0 30px #34d399;
        }
        .shockwave {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            border: 2px solid #34d399;
            border-radius: 50%;
            opacity: 0;
        }
        .shock-1 { animation: shockwave 3s ease-out infinite; }
        .shock-2 { animation: shockwave 3s ease-out infinite 1s; }
        .shock-3 { animation: shockwave 3s ease-out infinite 2s; }
        @keyframes shockwave {
            0% { width: 40px; height: 40px; opacity: 1; }
            100% { width: 200px; height: 200px; opacity: 0; }
        }
        h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; }
        h2 {
            font-size: 1.875rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(52, 211, 153, 0.2);
        }
        .formula {
            background: rgba(52, 211, 153, 0.1);
            border-left: 3px solid #34d399;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            font-family: 'Courier New', monospace;
            border-radius: 0 8px 8px 0;
        }
        .badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background: rgba(52, 211, 153, 0.15);
            border: 1px solid rgba(52, 211, 153, 0.3);
            border-radius: 999px;
            font-size: 0.75rem;
            color: #6ee7b7;
            margin-right: 0.5rem;
        }
        .badge-warning {
            background: rgba(251, 191, 36, 0.15);
            border-color: rgba(251, 191, 36, 0.3);
            color: #fcd34d;
        }
        .badge-danger {
            background: rgba(239, 68, 68, 0.15);
            border-color: rgba(239, 68, 68, 0.3);
            color: #fca5a5;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .comparison-table th, .comparison-table td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid rgba(52, 211, 153, 0.1);
        }
        .comparison-table th {
            background: rgba(52, 211, 153, 0.05);
            color: #6ee7b7;
            font-weight: 600;
        }
        .icon-box {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: rgba(52, 211, 153, 0.1);
            border-radius: 12px;
            margin-right: 1rem;
            color: #34d399;
        }
        .stat-card {
            background: rgba(20, 28, 24, 0.8);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            border: 1px solid rgba(52, 211, 153, 0.15);
        }
        .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(135deg, #34d399, #60a5fa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-link {
            color: #6ee7b7;
            text-decoration: none;
            transition: color 0.2s;
        }
        .nav-link:hover { color: #fff; }
        .hero-section {
            min-height: 70vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at center, rgba(52, 211, 153, 0.12) 0%, transparent 70%);
            z-index: 0;
        }
        .fuel-card {
            background: rgba(52, 211, 153, 0.05);
            border: 1px solid rgba(52, 211, 153, 0.2);
            border-radius: 12px;
            padding: 1.5rem;
            margin: 1rem 0;
        }
        .fuel-card-strong {
            background: rgba(52, 211, 153, 0.12);
            border: 2px solid rgba(52, 211, 153, 0.4);
        }
        .fuel-card-discouraged {
            background: rgba(239, 68, 68, 0.05);
            border: 1px solid rgba(239, 68, 68, 0.2);
            opacity: 0.85;
        }
        .pros-cons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-top: 1rem;
        }
        .pros, .cons {
            padding: 1rem;
            border-radius: 8px;
        }
        .pros {
            background: rgba(52, 211, 153, 0.08);
            border-left: 3px solid #34d399;
        }
        .cons {
            background: rgba(251, 191, 36, 0.08);
            border-left: 3px solid #fbbf24;
        }
        @media (max-width: 768px) {
            .pros-cons { grid-template-columns: 1fr; }
        }