:root {
            --color-primary: #4F8988;
            --color-secondary: #426B7D;
            --color-dark: #000000;
            --color-light: #FFFFFF;
            --color-gray: #CCCCCC;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            color: var(--color-dark);
            overflow-x: hidden;
        }
        
        .navbar {
            background-color: var(--color-light);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
        }
        
        .logo-container {
            display: flex;
            align-items: center;
        }
        
        .logo-svg {
            height: 40px;
            margin-right: 10px;
        }
        
        .navbar-brand {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.8rem;
            display: flex;
            align-items: center;
        }
        
        .navbar-brand span {
            color: var(--color-secondary);
        }
        
        .nav-link {
            color: var(--color-dark);
            font-weight: 500;
            margin: 0 10px;
            transition: all 0.3s ease;
        }
        
        .nav-link:hover {
            color: var(--color-primary);
        }
        
        .btn-primary {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            background-color: var(--color-secondary);
            border-color: var(--color-secondary);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .btn-outline-primary {
            color: var(--color-primary);
            border-color: var(--color-primary);
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .btn-outline-primary:hover {
            background-color: var(--color-primary);
            color: var(--color-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .hero {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
            color: var(--color-light);
            padding: 120px 0 100px;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            top: -150px;
            right: -150px;
        }
        
        .hero::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            bottom: -100px;
            left: -100px;
        }
        
        .hero h1 {
            font-weight: 700;
            font-size: 3.5rem;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }
        
        .section-title {
            position: relative;
            margin-bottom: 60px;
            font-weight: 700;
            color: var(--color-dark);
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -15px;
            width: 50px;
            height: 3px;
            background-color: var(--color-primary);
        }
        
        .service-box {
            background: var(--color-light);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 30px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .service-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .service-icon {
            font-size: 2.5rem;
            color: var(--color-primary);
            margin-bottom: 20px;
        }
        
        .tech-logo {
            height: 80px;
            margin: 20px;
            filter: grayscale(100%);
            opacity: 0.7;
            transition: all 0.3s ease;
        }
        
        .tech-logo:hover {
            filter: grayscale(0%);
            opacity: 1;
            transform: scale(1.1);
        }
        
        .portfolio-item {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        
        .portfolio-img {
            transition: all 0.5s ease;
        }
        
        .portfolio-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(79, 137, 136, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: all 0.5s ease;
        }
        
        .portfolio-item:hover .portfolio-overlay {
            opacity: 1;
        }
        
        .portfolio-item:hover .portfolio-img {
            transform: scale(1.1);
        }
        
        .process-step {
            position: relative;
            padding-left: 80px;
            margin-bottom: 40px;
        }
        
        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 60px;
            height: 60px;
            background: var(--color-primary);
            color: var(--color-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
        }
        
        .testimonial-card {
            background: var(--color-light);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 30px rgba(0, 0, 0, 0.05);
            margin: 15px;
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
        }
        
        .testimonial-author {
            font-weight: 600;
            color: var(--color-primary);
        }
        
        .contact-info {
            margin-bottom: 30px;
        }
        
        .contact-icon {
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-right: 15px;
        }
        
        .form-control {
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--color-gray);
            margin-bottom: 20px;
        }
        
        .form-control:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 0.25rem rgba(79, 137, 136, 0.25);
        }
        
        footer {
            background: var(--color-dark);
            color: var(--color-light);
            padding: 60px 0 30px;
        }
        
        .social-icon {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .social-icon:hover {
            background: var(--color-primary);
            transform: translateY(-5px);
        }
        
        /* Botón "Ir arriba" */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--color-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
            z-index: 1000;
        }
        
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background-color: var(--color-secondary);
            transform: translateY(-5px);
        }
        
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
        }