/* Variables de diseño premium */
        :root {
            --premium-black: #121212;
            --premium-white: #ffffff;
            --premium-gray-dark: #2a2a2a;
            --premium-gray-medium: #4a4a4a;
            --premium-gray-light: #e8e8e8;
            --premium-red: #d32f2f;
            --premium-red-dark: #b71c1c;
            --premium-red-light: #ff6659;
            --border-radius-sm: 4px;
            --border-radius-md: 6px;
            --transition-speed: 0.25s;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --box-shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.12);
            --font-stack: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        /* Estilo premium para la barra */
        .utility-bar {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: center;
            background-color: var(--premium-black);
            padding: 0.75rem 2rem;
            font-family: var(--font-stack);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.875rem;
            color: var(--premium-white);
            position: relative;
            z-index: 1000;
            gap: 1rem;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Sección de contacto premium */
        .utility-bar__contact {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            align-items: center;
            width: 100%;
        }

        .contact-link {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            color: var(--premium-white);
            text-decoration: none;
            transition: all var(--transition-speed) ease-out;
            padding: 0.5rem 1rem;
            font-weight: 500;
            width: 100%;
            justify-content: center;
            border-radius: var(--border-radius-sm);
            background-color: rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
        }

        .contact-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--premium-red);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.35s ease-out;
        }

        .contact-link:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .contact-link__text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 100%;
            position: relative;
            z-index: 1;
        }

        .contact-divider {
            display: none;
            width: 1px;
            height: 1.5rem;
            background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.3), transparent);
        }

        .contact-link:hover {
            color: var(--premium-white);
            background-color: rgba(255, 255, 255, 0.1);
        }

        .contact-link--whatsapp:hover {
            color: var(--premium-white);
        }

        .contact-link--whatsapp::after {
            background: #25D366;
        }

        .contact-link::before {
            content: "";
            display: inline-block;
            width: 1.25rem;
            height: 1.25rem;
            background-size: contain;
            background-repeat: no-repeat;
            transition: transform 0.3s ease;
            flex-shrink: 0;
            filter: brightness(0) invert(1);
            position: relative;
            z-index: 1;
        }

        .contact-link:hover::before {
            transform: translateY(-2px);
        }

        .contact-link--whatsapp::before {
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-6.29-3.43c.173.246.5.512.7.663.198.15.397.223.397.372 0 .149-.074.223-.173.347-.099.124-.397.372-.793.633-.396.26-.57.39-.77.39-.198 0-.347-.074-.545-.26-.198-.186-.744-.728-.992-.975-.248-.248-.496-.521-.05-.967.447-.446.892-.446 1.19-.148.298.297.62.694.744.832M12 0a12 12 0 0 0-9.615 19.365L0 24l4.635-2.385A12 12 0 1 0 12 0m0 22a10 10 0 1 1 0-20 10 10 0 0 1 0 20"/></svg>');
        }

        .contact-link--email::before {
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>');
        }

        /* Sección de ajustes premium */
        .utility-bar__settings {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            align-items: center;
            width: 100%;
        }

        .custom-select-wrapper {
            width: 100%;
            position: relative;
        }

        .custom-select {
            width: 100%;
            padding: 0.75rem 1.5rem 0.75rem 1rem;
            border: 1px solid var(--premium-gray-medium);
            border-radius: var(--border-radius-md);
            background-color: var(--premium-gray-dark);
            font-size: 0.875rem;
            color: var(--premium-white);
            cursor: pointer;
            appearance: none;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M7 10l5 5 5-5z"/></svg>');
            background-repeat: no-repeat;
            background-position: right 0.75rem center;
            background-size: 1rem;
            transition: all var(--transition-speed) ease-out;
            font-weight: 500;
            box-shadow: none;
        }

        .custom-select:hover {
            border-color: var(--premium-gray-light);
            background-color: var(--premium-gray-medium);
        }

        .custom-select:focus {
            outline: none;
            border-color: var(--premium-red);
            box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.3);
        }

        /* Efecto de carga premium */
        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .utility-bar {
            animation: fadeInDown 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        }

        /* Media Queries para diseño responsive premium */

        /* Tabletas pequeñas y móviles en landscape (600px en adelante) */
        @media (min-width: 37.5em) {
            .utility-bar {
                flex-direction: row;
                padding: 0.5rem 2rem;
                gap: 1.5rem;
            }
            
            .utility-bar__contact {
                flex-direction: row;
                gap: 1rem;
                width: auto;
            }
            
            .utility-bar__settings {
                flex-direction: row;
                width: auto;
                gap: 1rem;
            }
            
            .contact-link {
                width: auto;
                justify-content: flex-start;
                padding: 0.5rem 1rem;
                background-color: transparent;
            }
            
            .contact-divider {
                display: inline-block;
            }
            
            .custom-select-wrapper {
                width: auto;
            }
            
            .custom-select {
                min-width: 140px;
            }
        }

        /* Tabletas grandes y pantallas pequeñas (768px en adelante) */
        @media (min-width: 48em) {
            .utility-bar {
                padding: 0.5rem 3rem;
            }
            
            .utility-bar__contact {
                gap: 1.5rem;
            }
        }

        /* Pantallas de escritorio (1024px en adelante) */
        @media (min-width: 64em) {
            .utility-bar {
                padding: 0.5rem 4rem;
            }
        }

        /* Pantallas muy grandes (1440px en adelante) */
        @media (min-width: 90em) {
            .utility-bar {
                padding: 0.5rem 6rem;
            }
            
            .contact-link {
                padding: 0.75rem 1.25rem;
            }
        }

        /* Efecto hover premium para dispositivos con mouse */
        @media (hover: hover) {
            .contact-link:hover {
                transform: translateY(-2px);
            }
            
            .custom-select:hover {
                transform: translateY(-1px);
            }
        }

        /* Ajustes para dispositivos con pantalla táctil */
        @media (hover: none) {
            .contact-link:active {
                background-color: rgba(255, 255, 255, 0.1);
                transform: scale(0.98);
            }
            
            .custom-select:active {
                background-color: var(--premium-gray-medium);
                transform: scale(0.98);
            }
        }