/* Reset y base */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #000814 0%, #001d3d 25%, #0080FF 50%, #00D4FF 75%, #00FFB8 100%);
            min-height: 100vh;
            color: #ffffff;
            line-height: 1.6;
            background-attachment: fixed;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.15) 0%, rgba(0, 255, 184, 0.05) 50%, transparent 70%);
            pointer-events: none;
            z-index: -1;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Header */
        .header {
            margin-bottom: 40px;
            background: linear-gradient(145deg, #001d3d, #0080FF);
            border-radius: 20px;
            padding: 25px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 212, 255, 0.3);
            border: 2px solid;
            border-image: linear-gradient(90deg, #00D4FF, #00FFB8, #0080FF, #00D4FF) 1;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 255, 184, 0.3), transparent);
            animation: shine 3s infinite;
        }

        @keyframes shine {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        .menu {
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            flex-wrap: wrap;
            gap: 20px;
        }

        .menu li {
            flex: 1;
            text-align: center;
        }

        .logo-container {
            flex: 2;
        }

        .logo {
            height: 60px;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .logo:hover {
            transform: scale(1.1);
        }

        .menu a {
            color: #ffffff;
            text-decoration: none;
            font-weight: 700;
            font-size: 16px;
            padding: 12px 18px;
            border-radius: 12px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            display: inline-block;
            position: relative;
            background: linear-gradient(145deg, rgba(0, 29, 61, 0.8), rgba(0, 128, 255, 0.8));
            border: 1px solid rgba(0, 212, 255, 0.5);
        }

        .menu a:hover {
            background: linear-gradient(145deg, #00D4FF, #00FFB8);
            color: #001d3d;
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 10px 25px rgba(0, 212, 255, 0.5), 0 0 20px rgba(0, 255, 184, 0.4);
            border-color: #00FFB8;
        }

        /* Títulos principales */
        h1 {
            text-align: center;
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 900;
            margin: 50px 0;
            background: linear-gradient(145deg, #00D4FF, #00FFB8, #0080FF, #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            background-size: 300% 300%;
            animation: gradientShift 4s ease-in-out infinite;
            text-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
            position: relative;
        }

        h1::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 4px;
            background: linear-gradient(90deg, #00D4FF, #00FFB8, #0080FF);
            border-radius: 2px;
            box-shadow: 0 0 15px rgba(0, 255, 184, 0.5);
        }

        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        /* Botones principales */
        .options {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin: 40px 0;
            list-style: none;
            flex-wrap: wrap;
        }

        .btn {
            padding: 15px 30px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 700;
            font-size: 16px;
            transition: all 0.3s ease;
            display: inline-block;
            text-align: center;
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .btn-login {
            background: linear-gradient(145deg, #00FFB8, #00D4FF);
            color: #001d3d;
            border: 2px solid #0080FF;
            box-shadow: 0 8px 25px rgba(0, 255, 184, 0.3), 0 0 20px rgba(0, 212, 255, 0.3);
            position: relative;
            overflow: hidden;
        }

        .btn-login::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 128, 255, 0.3), transparent);
            transition: left 0.5s;
        }

        .btn-login:hover::before {
            left: 100%;
        }

        .btn-login:hover {
            background: linear-gradient(145deg, #0080FF, #001d3d);
            color: white;
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 15px 35px rgba(0, 128, 255, 0.5), 0 0 30px rgba(0, 255, 184, 0.4);
        }

        .btn:not(.btn-login) {
            background: linear-gradient(145deg, #001d3d, #0080FF);
            color: white;
            border: 2px solid #00D4FF;
            position: relative;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 29, 61, 0.4);
        }

        .btn:not(.btn-login)::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 255, 184, 0.3), transparent);
            transition: left 0.5s;
        }

        .btn:not(.btn-login):hover::before {
            left: 100%;
        }

        .btn:not(.btn-login):hover {
            background: linear-gradient(145deg, #00D4FF, #00FFB8);
            color: #001d3d;
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 12px 30px rgba(0, 212, 255, 0.6), 0 0 20px rgba(0, 255, 184, 0.5);
            border-color: #00FFB8;
        }

        /* Cajas de información */
        .info-box {
            background: linear-gradient(145deg, #001d3d, #0080FF);
            border-radius: 20px;
            padding: 35px;
            margin: 35px 0;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 128, 255, 0.3);
            border: 2px solid transparent;
            background-clip: padding-box;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .info-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, #00D4FF, #00FFB8, #0080FF, #00D4FF);
            border-radius: 20px;
            padding: 2px;
            z-index: -1;
            background-size: 300% 300%;
            animation: gradientBorder 4s ease-in-out infinite;
        }

        .info-box::after {
            content: '';
            position: absolute;
            top: 2px;
            left: 2px;
            right: 2px;
            bottom: 2px;
            background: linear-gradient(145deg, #001d3d, #0080FF);
            border-radius: 18px;
            z-index: -1;
        }

        @keyframes gradientBorder {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        .section-title {
            color: #ffffff;
            font-size: clamp(1.4rem, 3vw, 2rem);
            font-weight: 800;
            margin-bottom: 25px;
            text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
        }

        @keyframes gradientTitle {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        .info-box p {
            color: #ffffff;
            font-size: 17px;
            margin-bottom: 18px;
            line-height: 1.8;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }

        .info-box strong {
            color: #ffffff;
            font-weight: 800;
        }

        .highlight {
            background: linear-gradient(145deg, #00FFB8, #00D4FF);
            color: #001d3d !important;
            padding: 6px 12px;
            border-radius: 8px;
            font-weight: 800;
            box-shadow: 0 4px 15px rgba(0, 255, 184, 0.3);
            border: 1px solid rgba(0, 212, 255, 0.5);
        }

        /* Características específicas */
        .caracteristicas-container {
            text-align: left;
            margin: 25px 0;
            padding-left: 20px;
        }

        .caracteristicas-titulo {
            color: #ffffff;
            margin-bottom: 15px;
            text-align: center;
            font-weight: 700;
        }

        .caracteristicas-lista {
            list-style: none;
            padding: 0;
        }

        .caracteristica-item {
            margin: 12px 0;
            font-size: 16px;
            color: #ffffff;
            position: relative;
            padding-left: 35px;
            background: linear-gradient(145deg, #000814, #001d3d);
            padding: 12px 20px 12px 45px;
            border-radius: 10px;
            border-left: 4px solid #0080FF;
            transition: all 0.3s ease;
        }

        .caracteristica-item:hover {
            transform: translateX(10px);
            box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
            border-left-color: #00D4FF;
        }

        .caracteristica-emoji {
            position: absolute;
            left: 15px;
            top: 12px;
        }

        /* Botón de descarga especial */
        .boton-descargar {
            background: linear-gradient(145deg, #00FFB8, #00D4FF);
            color: #001d3d;
            padding: 20px 40px;
            border-radius: 15px;
            text-decoration: none;
            font-weight: 800;
            font-size: 18px;
            display: inline-block;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border: 2px solid #0080FF;
            box-shadow: 0 10px 30px rgba(0, 255, 184, 0.3), 0 0 25px rgba(0, 212, 255, 0.3);
            margin-top: 30px;
            position: relative;
            overflow: hidden;
        }

        .boton-descargar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 128, 255, 0.4), transparent);
            transition: left 0.6s;
        }

        .boton-descargar:hover::before {
            left: 100%;
        }

        .boton-descargar:hover {
            background: linear-gradient(145deg, #0080FF, #001d3d);
            color: white;
            transform: translateY(-6px) scale(1.05);
            box-shadow: 0 15px 40px rgba(0, 128, 255, 0.5), 0 0 35px rgba(0, 255, 184, 0.4);
        }

        /* Media container */
        .media-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin: 40px 0;
            flex-wrap: wrap;
        }

        .imagen-iniciooo {
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(0, 212, 255, 0.4);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border: 3px solid transparent;
            background: linear-gradient(145deg, #001d3d, #0080FF) padding-box, 
                        linear-gradient(45deg, #00D4FF, #00FFB8, #0080FF, #00D4FF) border-box;
            max-width: 100%;
            height: auto;
            position: relative;
        }

        .imagen-iniciooo:hover {
            transform: scale(1.08) translateY(-8px) rotateY(5deg);
            box-shadow: 0 25px 60px rgba(0, 255, 184, 0.3), 0 0 40px rgba(0, 212, 255, 0.5);
        }

        /* Caja especial de propuesta */
        .propuesta-especial {
            background: linear-gradient(145deg, #0080FF, #001d3d, #000814) !important;
            color: white;
            text-align: left;
            max-width: 650px;
            border: 3px solid #00D4FF !important;
            box-shadow: 0 20px 60px rgba(0, 128, 255, 0.5), 0 0 40px rgba(0, 212, 255, 0.3);
            position: relative;
            overflow: hidden;
        }

        .propuesta-especial::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 255, 184, 0.2), transparent);
            animation: propuestaShine 4s infinite;
        }

        @keyframes propuestaShine {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        .propuesta-especial .section-title {
            color: white !important;
            text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
        }

        .propuesta-especial p {
            color: rgba(255, 255, 255, 0.95) !important;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        .propuesta-especial strong {
            color: #ffffff !important;
            background: none !important;
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
        }

        .propuesta-lista {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }

        .propuesta-item {
            margin: 12px 0;
            color: rgba(255, 255, 255, 0.9);
        }

        .propuesta-item strong {
            color: #ffffff;
        }

        .checklist-titulo {
            color: #ffffff;
            margin: 20px 0 10px;
            font-weight: 700;
        }

        .checklist-lista {
            list-style: none;
            padding: 0;
        }

        .checklist-item {
            margin: 8px 0;
            color: rgba(255, 255, 255, 0.9);
        }

        /* Título final */
        .titulo-final {
            text-align: center;
            color: #ffffff;
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            font-weight: 600;
            text-shadow: 0 4px 20px rgba(255, 255, 255, 0.5);
            margin: 50px 0;
        }

        /* Footer */
        .footer {
            background: linear-gradient(145deg, #000814, #001d3d);
            margin-top: 60px;
            padding: 40px 20px 20px;
            border-top: 3px solid #0080FF;
            border-radius: 15px 15px 0 0;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 30px;
        }

        .footer-logo h3 {
            color: #ffffff;
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .footer-links ul,
        .footer-social ul {
            list-style: none;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #ffffff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #f0f9ff;
        }

        .footer-social img {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            transition: transform 0.3s ease;
            border: 2px solid #0080FF;
        }

        .footer-social img:hover {
            transform: scale(1.1);
            border-color: #00D4FF;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .footer-bottom p {
            color: rgba(255,255,255,0.6);
            font-size: 14px;
            text-shadow: none;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .menu {
                flex-direction: column;
                gap: 15px;
            }
            
            .options {
                flex-direction: column;
                align-items: center;
            }
            
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
            
            .footer-links ul,
            .footer-social ul {
                justify-content: center;
            }
            
            .media-container {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 15px;
            }
            
            .info-box {
                padding: 20px;
            }
            
            .btn {
                padding: 12px 25px;
                font-size: 14px;
            }
            
            .caracteristica-item {
                padding-left: 30px;
                font-size: 14px;
            }
        }