:root {
            --dark-bg: #0a0f0d;
            --motherboard-green: #2ecc71;
            --gold-accent: #d4af37;
            --text-white: #e0e0e0;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }

        body {
            background: #050a08;
            color: var(--text-white);
            overflow: hidden;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Canvas de fondo */
        #networkCanvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            background: #050a08;
        }

        .main-content {
            position: relative;
            z-index: 10;
            text-align: center;
            width: 90%;
            max-width: 750px;
            padding: 50px 40px;
            background: rgba(5, 10, 8, 0.4);
            backdrop-filter: blur(4px);
            border-radius: 20px;
            border: 1px solid rgba(46, 204, 113, 0.1);
            box-shadow: 0 15px 35px rgba(0,0,0,0.5);
            animation: fadeInScale 1s ease;
        }

        @keyframes fadeInScale {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* Logo */
        .logo-text {
            font-size: clamp(2.5rem, 8vw, 5rem);
            font-weight: 800;
            margin-bottom: 15px;
            display: flex;
            justify-content: center;
            gap: 15px;
            line-height: 1.2;
        }

        .logic { 
            color: var(--motherboard-green); 
            text-shadow: 0 0 30px rgba(46, 204, 113, 0.5);
            animation: glowGreen 3s infinite;
        }

        .look { 
            color: var(--gold-accent); 
            text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
            animation: glowGold 3s infinite;
        }

        @keyframes glowGreen {
            0%, 100% { text-shadow: 0 0 20px rgba(46, 204, 113, 0.3); }
            50% { text-shadow: 0 0 40px rgba(46, 204, 113, 0.8); }
        }

        @keyframes glowGold {
            0%, 100% { text-shadow: 0 0 20px rgba(212, 175, 55, 0.3); }
            50% { text-shadow: 0 0 40px rgba(212, 175, 55, 0.8); }
        }

        h1 {
            font-size: clamp(1.2rem, 4vw, 2rem);
            margin-bottom: 40px;
            letter-spacing: 4px;
            text-transform: uppercase;
            opacity: 0.9;
            color: #ccc;
            font-weight: 300;
            border-bottom: 1px solid rgba(46, 204, 113, 0.2);
            padding-bottom: 20px;
            display: inline-block;
        }

        /* Botones de Contacto */
        .contact-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-bottom: 50px;
        }

        .btn-contact {
            text-decoration: none;
            color: white;
            padding: 15px 30px;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: 1px solid rgba(46, 204, 113, 0.3);
            background: rgba(20, 30, 26, 0.7);
            backdrop-filter: blur(10px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
            min-width: 200px;
            justify-content: center;
            cursor: pointer;
        }

        .btn-contact:hover {
            transform: translateY(-8px) scale(1.02);
            border-color: var(--motherboard-green);
            box-shadow: 0 15px 30px rgba(46, 204, 113, 0.3);
            background: rgba(20, 30, 26, 0.9);
        }

        .btn-contact:active {
            transform: translateY(-3px);
        }

        .btn-contact i {
            font-size: 1.3rem;
            color: var(--gold-accent);
            transition: all 0.3s;
        }

        .btn-contact:hover i {
            transform: rotate(5deg) scale(1.1);
            color: var(--motherboard-green);
        }

        /* Email Container con Selector */
        .email-container {
            position: relative;
            display: inline-block;
        }

        .email-selector {
            display: none;
            position: absolute;
            bottom: 110%;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(10, 15, 13, 0.95);
            backdrop-filter: blur(10px);
            border: 1px solid var(--motherboard-green);
            border-radius: 12px;
            padding: 8px;
            min-width: 240px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            z-index: 100;
            animation: slideUp 0.3s ease;
        }

        .email-selector.show {
            display: block;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translate(-50%, 20px);
            }
            to {
                opacity: 1;
                transform: translate(-50%, 0);
            }
        }

        .email-option {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 15px;
            color: var(--text-white);
            text-decoration: none;
            border-radius: 8px;
            transition: all 0.3s;
            border: 1px solid transparent;
            cursor: pointer;
        }

        .email-option:hover {
            background: rgba(46, 204, 113, 0.1);
            border-color: rgba(46, 204, 113, 0.3);
            transform: translateX(5px);
        }

        .email-option i {
            font-size: 1.2rem;
            width: 24px;
            text-align: center;
        }

        .email-option .fa-google { color: #ea4335; }
        .email-option .fa-microsoft { color: #00a4ef; }
        .email-option .fa-copy { color: var(--motherboard-green); }
        .email-option .fa-envelope { color: var(--gold-accent); }

        .email-option span {
            flex: 1;
            text-align: left;
            font-size: 0.9rem;
        }

        .email-option small {
            color: #888;
            font-size: 0.7rem;
            margin-left: 5px;
        }

        .email-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(46, 204, 113, 0.3), transparent);
            margin: 8px 0;
        }

        /* Tooltip de copiado */
        .copy-tooltip {
            position: fixed;
            background: var(--motherboard-green);
            color: #050a08;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 1000;
            animation: tooltipFade 2s ease forwards;
            pointer-events: none;
        }

        @keyframes tooltipFade {
            0% { opacity: 0; transform: translateY(10px); }
            20% { opacity: 1; transform: translateY(0); }
            80% { opacity: 1; transform: translateY(0); }
            100% { opacity: 0; transform: translateY(-10px); }
        }

        /* Progress Bar */
        .progress-container {
            width: 100%;
            max-width: 500px;
            margin: 0 auto;
            position: relative;
        }

        .progress-bar {
            height: 4px;
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 15px;
            box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
        }

        .progress-fill {
            width: 70%;
            height: 100%;
            background: linear-gradient(90deg, var(--motherboard-green), var(--gold-accent));
            box-shadow: 0 0 20px var(--motherboard-green);
            animation: progressMove 2s ease-in-out infinite;
            border-radius: 4px;
        }

        @keyframes progressMove {
            0% { width: 30%; opacity: 0.7; }
            50% { width: 80%; opacity: 1; }
            100% { width: 30%; opacity: 0.7; }
        }

        .progress-label {
            font-size: 0.8rem;
            color: #888;
            letter-spacing: 4px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .progress-label i {
            color: var(--gold-accent);
            font-size: 0.9rem;
            animation: spin 4s linear infinite;
        }

        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        /* Línea decorativa inferior */
        .main-content::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 10%;
            width: 80%;
            height: 2px;
            background: linear-gradient(90deg, 
                transparent 0%, 
                rgba(46, 204, 113, 0.1) 20%, 
                rgba(46, 204, 113, 0.8) 50%, 
                rgba(46, 204, 113, 0.1) 80%, 
                transparent 100%);
            background-size: 200% 100%;
            animation: greenFlow 3s linear infinite;
        }

        @keyframes greenFlow {
            0% { background-position: 100% 0; }
            100% { background-position: -100% 0; }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .main-content {
                padding: 40px 20px;
                width: 95%;
            }

            .logo-text {
                flex-direction: column;
                gap: 5px;
            }

            .btn-contact {
                min-width: 100%;
                padding: 12px 20px;
            }

            h1 {
                font-size: 1rem;
                letter-spacing: 2px;
                margin-bottom: 30px;
            }

            .email-selector {
                position: fixed;
                bottom: auto;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
                width: 90%;
                max-width: 280px;
            }
        }

        @media (max-width: 480px) {
            .main-content {
                padding: 30px 15px;
            }

            .logo-text {
                font-size: clamp(2rem, 6vw, 3rem);
            }

            .btn-contact {
                font-size: 0.9rem;
            }

            .btn-contact i {
                font-size: 1.1rem;
            }
        }