body {
            background-color: #0b0c10;
            color: #f3f4f6;
            overflow-x: hidden;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0b0c10;
        }
        ::-webkit-scrollbar-thumb {
            background: #282e3d;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #ff5500;
        }

        /* Glassmorphism Utilities */
        .glass-panel {
            background: rgba(18, 21, 28, 0.78);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .glass-nav {
            background: rgba(11, 12, 16, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 85, 0, 0.15);
        }

        /* Animated Text Gradient */
        .text-gradient-ember {
            background: linear-gradient(135deg, #ffffff 0%, #ffaa00 45%, #ff5500 85%, #ff2200 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-size: 200% auto;
            animation: shine 6s linear infinite;
        }

        @keyframes shine {
            to {
                background-position: 200% center;
            }
        }

        /* Custom Range Slider */
        input[type=range] {
            -webkit-appearance: none;
            appearance: none;
            width: 100%;
            background: transparent;
        }
        input[type=range]::-webkit-slider-runnable-track {
            width: 100%;
            height: 6px;
            cursor: pointer;
            background: #282e3d;
            border-radius: 999px;
        }
        input[type=range]::-webkit-slider-thumb {
            height: 20px;
            width: 20px;
            border-radius: 50%;
            background: #ff5500;
            border: 2px solid #ffffff;
            cursor: pointer;
            -webkit-appearance: none;
            margin-top: -7px;
            box-shadow: 0 0 12px rgba(255, 85, 0, 0.8);
            transition: transform 0.15s ease, background-color 0.15s ease;
        }
        input[type=range]::-webkit-slider-thumb:hover {
            transform: scale(1.15);
            background: #ffaa00;
        }

        /* CAD Blueprint Grid */
        .cad-grid {
            background-color: #090b10;
            background-image: 
                linear-gradient(rgba(255, 85, 0, 0.07) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 85, 0, 0.07) 1px, transparent 1px),
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
            background-position: center center;
        }

        /* Realistic Floor Textures (Pure CSS procedural patterns) */
        .floor-wood {
            background-color: #6e472b;
            background-image: 
                repeating-linear-gradient(90deg, rgba(0,0,0,0.18) 0px, rgba(0,0,0,0.18) 2px, transparent 2px, transparent 90px),
                repeating-linear-gradient(0deg, rgba(0,0,0,0.12) 0px, rgba(0,0,0,0.12) 1px, transparent 1px, transparent 320px),
                linear-gradient(45deg, rgba(139, 90, 43, 0.35) 25%, transparent 25%, transparent 75%, rgba(139, 90, 43, 0.35) 75%, rgba(139, 90, 43, 0.35)),
                linear-gradient(180deg, #825634 0%, #654126 50%, #784e2f 100%);
            box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.65);
        }

        .floor-concrete {
            background-color: #36393f;
            background-image: 
                linear-gradient(rgba(0,0,0,0.25) 2px, transparent 2px),
                linear-gradient(90deg, rgba(0,0,0,0.25) 2px, transparent 2px),
                radial-gradient(rgba(255,255,255,0.04) 1px, transparent 0);
            background-size: 160px 160px, 160px 160px, 12px 12px;
            box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.75);
        }

        /* Laser Glow Effect on SVG Path */
        .laser-path-cad {
            filter: drop-shadow(0 0 8px rgba(255, 85, 0, 0.65));
            transition: d 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }
        
        .plate-floor-shadow {
            filter: drop-shadow(0 14px 20px rgba(0, 0, 0, 0.75)) drop-shadow(0 2px 3px rgba(0, 0, 0, 0.9));
            transition: d 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

        /* Scroll Reveal Animation - ukrywamy tylko gdy skrypt animacji wystartowal (klasa js-reveal na <html>),
           zeby problem ze skryptami nigdy nie schowal tresci sekcji */
        .js-reveal .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .js-reveal .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* Pulse Laser Dot */
        @keyframes pulse-ember {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.6); opacity: 0.4; }
        }
        .animate-laser-dot {
            animation: pulse-ember 2s infinite;
        }