* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding-top: 70px;
        }

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

        /* Header */
        .header {
            background: rgba(255, 255, 255, 0.288);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1rem 0;
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: opacity 0.3s;
        }

        .nav-links a:hover {
            opacity: 0.8;
        }

        /* Hero Section */
        .hero {
            padding: 120px 0 80px;
            text-align: center;
            color: white;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 700;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .hero .subtitle {
            font-size: clamp(1.1rem, 2.5vw, 1.5rem);
            margin-bottom: 2rem;
            opacity: 0.9;
            font-weight: 300;
        }

        .price-highlight {
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 2rem;
            margin: 2rem auto;
            max-width: 500px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .price-highlight .price {
            font-size: 3rem;
            font-weight: 700;
            color: #FFD700;
            margin-bottom: 0.5rem;
        }

        .price-highlight .price-text {
            font-size: 1.2rem;
            opacity: 0.9;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .btn {
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: linear-gradient(45deg, #FF6B6B, #FF8E53);
            color: white;
            box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
  }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        /* Features Section */
        .features {
            padding: 80px 0;
            background: rgba(235, 235, 235, 0.325);
        }

        .features h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #333;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .feature-card {
            background: #f8f8ffc0;
            padding: 2rem;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2rem;
            color: white;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .feature-card p {
            color: #666;
            line-height: 1.6;
        }

        /* How it works */
        .how-it-works {
            padding: 80px 0;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }

        .how-it-works h2 {
    text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #333;
        }

        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .step {
            text-align: center;
    position: relative;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(45deg, #FF6B6B, #FF8E53);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
        }

        .step h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .step p {
            color: #666;
        }

        /* Pricing */
        .pricing {
            padding: 80px 0;
            background: rgba(255, 255, 255, 0.258);
        }

        .pricing h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .pricing-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 3rem;
        }

        .pricing-card {
            max-width: 400px;
            margin: 0 auto;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 20px;
            padding: 3rem 2rem;
            text-align: center;
            color: white;
            box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
        }

        .pricing-card .price-big {
            font-size: 4rem;
            font-weight: 700;
            color: #FFD700;
            margin-bottom: 0.5rem;
        }

        .pricing-card .price-unit {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 2rem;
        }

        .pricing-features {
            list-style: none;
            margin: 2rem 0;
        }

        .pricing-features li {
            padding: 0.5rem 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .pricing-features i {
            color: #4CAF50;
        }

        /* Footer */
        .footer {
            background: #333;
            color: white;
            padding: 3rem 0 2rem;
    text-align: center;
  }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            color: #FFD700;
        }

        .footer-section a {
            color: #ccc;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: white;
        }

        .footer-bottom {
            border-top: 1px solid #555;
            padding-top: 2rem;
            color: #ccc;
        }

        /* Mobile Optimizations */
        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }            
            .nav-links {
                display: none;
            }

            .hero {
                padding: 100px 0 60px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }

            .features,
            .how-it-works,
            .pricing {
                padding: 60px 0;
            }

            .features-grid,
            .steps {
                grid-template-columns: 1fr;
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero,
        .feature-card,
        .step,
        .pricing-card {
            animation: fadeInUp 0.6s ease-out;
        }

        /* Floating elements */
        .floating {
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
    width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(5px);
  }

        .modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.3s ease-out;
        }

        .modal-content {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            width: 90%;
            max-width: 500px;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            animation: slideUp 0.3s ease-out;
        }

        .modal-header {
            text-align: center;
            margin-bottom: 2rem;
        }

        .modal-header h2 {
            color: #333;
            margin-bottom: 0.5rem;
            font-size: 2rem;
        }

        .modal-header p {
            color: #666;
            font-size: 1.1rem;
        }

        .close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            font-size: 2rem;
    font-weight: bold;
            color: #999;
            cursor: pointer;
            transition: color 0.3s;
  }

        .close:hover {
            color: #333;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #333;
  }

        .form-group input,
        .form-group select {
    width: 100%;
            padding: 1rem;
            border: 2px solid #e1e5e9;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s;
            background: #f8f9fa;
  }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: #667eea;
            background: white;
  }

        .form-group.error input {
            border-color: #dc3545;
        }

        .error-message {
            color: #dc3545;
            font-size: 0.875rem;
            margin-top: 0.25rem;
            display: none;
        }

        .form-group.error .error-message {
            display: block;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .btn-register {
            width: 100%;
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            padding: 1rem;
            border: none;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 1rem;
  }

        .btn-register:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
  }

        .btn-register:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .loading {
            display: none;
    text-align: center;
            margin: 1rem 0;
        }

        .loading.show {
            display: block;
        }

        .spinner {
            border: 3px solid #f3f3f3;
            border-top: 3px solid #667eea;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }

        .success-message {
            background: #d4edda;
            color: #155724;
            padding: 1rem;
            border-radius: 10px;
            margin: 1rem 0;
            text-align: center;
            display: none;
  }

        .success-message.show {
            display: block;
        }

        .login-link {
            text-align: center;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #e1e5e9;
        }

        .login-link a {
            color: #667eea;
    text-decoration: none;
            font-weight: 600;
  }

        .login-link a:hover {
            text-decoration: underline;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
  }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Mobile modal adjustments */
        @media (max-width: 768px) {
            .modal-content {
                width: 95%;
                padding: 1.5rem;
  }

            .form-row {
                grid-template-columns: 1fr;
  }

            .modal-header h2 {
                font-size: 1.5rem;
            }
  }

  /* Estilo para el botón hamburguesa */
.menu-toggle {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #333;
  cursor: pointer;
  display: none;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 1001;
  }

  .nav-links {
    display: none;
  }

  #mobileMenu {
    display: none;
    position: absolute;
    top: 65px;
    right: 20px;
    background-color: #ffffff; /* Blanco */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); /* Sombra suave */
    border-radius: 10px;
    z-index: 1000;
    padding: 1rem;
    width: 200px;
    transition: all 0.3s ease;
  }

  #mobileMenu.show {
    display: block;
  }

  #mobileMenu a {
    display: block;
    padding: 0.5rem 0;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
  }

  #mobileMenu a:hover {
    color: #007bff; /* Azul moderno */
  }
}

    /* Palabra gradiente */
    .gradient-cuba {
        font-size: 48px;
        font-weight: bold;
        background: linear-gradient(to right, red, blue);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        display: inline-block;
        font-family: sans-serif;
    }