        @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            background: radial-gradient(circle at 30% 20%, #1a0d2e 0%, #0a0514 50%, #000000 100%);
            color: #ffffff;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }
        
        .cosmic-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            pointer-events: none;
            z-index: -1;
        }
        
        .star {
            position: absolute;
            background: white;
            border-radius: 50%;
            opacity: 0.6;
            animation: twinkle 3s infinite ease-in-out;
        }
        
        @keyframes twinkle {
            0%, 100% { opacity: 0.3; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.2); }
        }
        
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            position: relative;
            z-index: 1;
        }
        
        .header {
            text-align: center;
            margin-bottom: 4rem;
            animation: fadeInDown 1s ease-out;
        }
        
        .title {
            font-size: clamp(2.5rem, 6vw, 4rem);
            font-weight: 700;
            background: linear-gradient(135deg, #ff6b9d, #c471ed, #12c2e9);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        
        .subtitle {
            font-size: 1.2rem;
            color: #a0a9c0;
            font-weight: 300;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        .spiral-container {
            position: relative;
            width: 100%;
            max-width: 1000px;
            margin: 0 auto;
            aspect-ratio: 1;
            border-radius: 50%;
            background: radial-gradient(circle at center, rgba(255,107,157,0.1) 0%, transparent 70%);
            animation: pulseGlow 4s infinite ease-in-out;
        }
        
        @keyframes pulseGlow {
            0%, 100% { box-shadow: 0 0 50px rgba(255,107,157,0.2); }
            50% { box-shadow: 0 0 100px rgba(255,107,157,0.4); }
        }
        
        .spiral-path {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 2px;
            height: 2px;
            transform: translate(-50%, -50%);
        }
        
        .spiral-trail {
            position: absolute;
            width: 4px;
            height: 4px;
            background: linear-gradient(45deg, #ff6b9d, #c471ed);
            border-radius: 50%;
            box-shadow: 0 0 10px rgba(255,107,157,0.8);
            animation: spiralMove 20s linear infinite;
        }
        
        @keyframes spiralMove {
            0% {
                transform: rotate(0deg) translateX(50px) rotate(0deg);
                opacity: 0;
            }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% {
                transform: rotate(1800deg) translateX(400px) rotate(-1800deg);
                opacity: 0;
            }
        }
        
        .stage {
            position: absolute;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(20px);
            border: 2px solid rgba(255,255,255,0.1);
            animation: float 6s ease-in-out infinite;
        }
        
        .stage:hover {
            transform: scale(1.1) translateZ(20px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
            border-color: rgba(255,255,255,0.3);
        }
        
        .stage.active {
            transform: scale(1.15);
            z-index: 10;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .stage-icon {
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            filter: drop-shadow(0 0 10px currentColor);
        }
        
        .stage-name {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
            letter-spacing: 0.5px;
        }
        
        .stage-subtitle {
            font-size: 0.75rem;
            opacity: 0.8;
            font-weight: 300;
        }
        
        /* Stage Positions */
        .stage-csv {
            top: 10%;
            left: 50%;
            transform: translateX(-50%);
            background: radial-gradient(circle, rgba(18,194,233,0.3), rgba(18,194,233,0.1));
            color: #12c2e9;
            animation-delay: 0s;
        }
        
        .stage-py {
            top: 25%;
            right: 15%;
            background: radial-gradient(circle, rgba(255,107,157,0.3), rgba(255,107,157,0.1));
            color: #ff6b9d;
            animation-delay: 1s;
        }
        
        .stage-jinja {
            bottom: 35%;
            right: 10%;
            background: radial-gradient(circle, rgba(196,113,237,0.3), rgba(196,113,237,0.1));
            color: #c471ed;
            animation-delay: 2s;
        }
        
        .stage-html {
            bottom: 25%;
            left: 15%;
            background: radial-gradient(circle, rgba(255,184,0,0.3), rgba(255,184,0,0.1));
            color: #ffb800;
            animation-delay: 3s;
        }
        
        .stage-yaml {
            top: 35%;
            left: 10%;
            background: radial-gradient(circle, rgba(46,213,115,0.3), rgba(46,213,115,0.1));
            color: #2ed573;
            animation-delay: 4s;
        }
        
        .detail-panel {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            max-width: 500px;
            height: 100vh;
            background: rgba(10,5,20,0.95);
            backdrop-filter: blur(30px);
            border-left: 1px solid rgba(255,255,255,0.1);
            padding: 2rem;
            z-index: 1000;
            transition: right 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }
        
        .detail-panel.active {
            right: 0;
        }
        
        .detail-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        
        .detail-title {
            font-size: 1.5rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .close-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 50%;
            transition: background 0.3s;
        }
        
        .close-btn:hover {
            background: rgba(255,255,255,0.1);
        }
        
        .detail-section {
            margin-bottom: 1.5rem;
        }
        
        .detail-section h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: #c471ed;
        }
        
        .detail-section p {
            line-height: 1.6;
            color: #a0a9c0;
        }
        
        .navigation {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 1rem;
            background: rgba(10,5,20,0.8);
            padding: 1rem;
            border-radius: 2rem;
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.1);
        }
        
        .nav-btn {
            background: none;
            border: 2px solid rgba(255,255,255,0.2);
            color: #fff;
            padding: 0.5rem 1rem;
            border-radius: 1rem;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9rem;
        }
        
        .nav-btn:hover, .nav-btn.active {
            border-color: #c471ed;
            background: rgba(196,113,237,0.2);
            transform: translateY(-2px);
        }
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        footer {
            text-align: center;
            margin-top: 4rem;
            font-size: 0.9rem;
            color: #777;
            position: relative;
            z-index: 1;
        }
        
        @media (max-width: 768px) {
            .stage {
                width: 140px;
                height: 140px;
            }
            
            .stage-icon {
                font-size: 2rem;
            }
            
            .stage-name {
                font-size: 0.9rem;
            }
            
            .stage-subtitle {
                font-size: 0.7rem;
            }
            
            .detail-panel {
                width: 100vw;
            }
        }
