:root{--primary-color:#00F0FF;--secondary-color:#f0f0f0;--text-color:#262626;--bg-color:#ffffff;--font-family:'Poppins', sans-serif;--header-height:60px;--header-color:rgba(255, 255, 255, 0.8);--hover-color:#474646;--shadow:0 0 15px rgba(29, 29, 29, 0.7)}body.dark-mode{--primary-color:#00F0FF;--secondary-color:#474646;--text-color:#f0f0f0;--bg-color:#262626;--header-color:rgba(29, 29, 29, 0.8);--shadow:0 0 15px rgba(179, 179, 179, 0.7)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);line-height:1.6}ul{margin:12px 20px}li{font-size:smaller}#preloader{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#262626;z-index:9999;display:flex;flex-direction:column;justify-content:center;align-items:center;transition:opacity 0.5s ease-in-out,visibility 0.5s ease-in-out}#preloader.hidden{opacity:0;visibility:hidden}.preloader-logo{width:120px;margin-bottom:2rem;animation:pulse 1.5s infinite ease-in-out}.preloader-progress-bar-container{width:300px;height:8px;background-color:var(--secondary-color);border-radius:4px;overflow:hidden}.preloader-progress-bar-fill{width:0%;height:100%;background-color:var(--primary-color);border-radius:4px;transition:width 0.4s ease}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}.header{top:0;left:0;width:100%;display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:var(--header-color);backdrop-filter:blur(10px);z-index:1000;box-shadow:0 2px 10px rgb(0 0 0 / .1);height:var(--header-height);overflow:hidden}.menu-button{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-color);transition:color 0.3s}.menu-button:hover{color:var(--primary-color)}.user-name a{font-weight:600;font-size:1.2rem;color:var(--text-color);text-decoration:none}.sidebar{position:fixed;top:0;left:-350px;width:350px;height:100%;background-color:var(--bg-color);box-shadow:2px 0 10px rgb(0 0 0 / .1);transition:left 0.4s ease-in-out;z-index:1001;padding-top:var(--header-height)}.sidebar.active{left:0}.sidebar-nav{display:flex;flex-direction:column;padding:1rem}.sidebar-nav a{padding:1rem;text-decoration:none;color:var(--text-color);font-weight:500;border-radius:5px;transition:background-color 0.3s,color 0.3s}.sidebar-nav a:hover{background-color:var(--primary-color);color:#fff}.page-container{display:flex;max-width:1400px;width:90%;margin:0 auto;padding-top:var(--header-height)}.left-column{width:25%;padding:2rem;display:flex;flex-direction:column;align-items:center}.right-column{width:75%;padding:2rem}.logo-pic-container{margin-bottom:0rem;display:flex;justify-content:center;align-items:center;animation:pulse 1.5s infinite ease-in-out}.logo-pic{width:150px;height:150px;object-fit:cover}.profile-pic-container{margin-bottom:0rem}.profile-pic{width:150px;height:150px;border-radius:50%;object-fit:cover;border:8px solid var(--primary-color)}.timeline{position:relative;width:8px;height:100%;background-color:var(--secondary-color);margin:0 auto;margin-top:-8px}.timeline-progress{width:100%;height:0;background-color:var(--primary-color)}.timeline-items{position:absolute;top:0;left:50%;transform:translateX(-50%);width:100%;height:100%}.timeline-item{position:absolute;left:50%;transform:translateX(-50%);width:20px;height:20px;background-color:var(--secondary-color);border-radius:50%;border:4px solid var(--bg-color);transition:background-color 0.3s}.timeline-item.active{background-color:var(--primary-color);box-shadow:var(--shadow)}.section{min-height:80vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;text-align:left;padding:4rem 0}#perfil{min-height:60vh}.section-title{font-size:2.5rem;margin-bottom:2rem;color:var(--text-color);font-weight:700}.profile-text-container{width:100%}.profile-name{font-size:3rem;font-weight:700}.profile-description{max-width:600px;margin:1rem 0}.btn-cv{display:inline-block;padding:.8rem 2rem;background-color:var(--primary-color);color:#fff;text-decoration:none;border-radius:50px;transition:background-color 0.3s,transform 0.3s;box-shadow:var(--shadow)}.btn-cv:hover{background-color:var(--hover-color);transform:translateY(-3px)}.content-item{padding:1.5rem;background-color:var(--bg-color);border-radius:10px;box-shadow:0 4px 20px rgb(0 0 0 / .08);margin-bottom:2rem;width:100%}.skills-container{width:100%;max-width:700px;margin-bottom:40px}.skills-container:last-child{margin-bottom:0}.skill{text-transform:uppercase;margin-bottom:10px;box-sizing:border-box;width:100%;display:block;border-bottom:1px solid #ccc}.skill-item{margin-bottom:1.5rem;text-align:left}.skill-item-tittle{display:flex;justify-content:space-between}.professional-skill{margin-bottom:20px}.skill-item p{margin-bottom:.5rem;font-weight:600}.progress-bar{width:100%;height:15px;background-color:var(--secondary-color);border-radius:10px;overflow:hidden}.progress{width:0;height:100%;background-color:var(--primary-color);border-radius:10px}.interests-container{display:flex;flex-direction:column;flex-wrap:wrap;gap:2rem}.interest-item{display:flex;flex-direction:column;align-items:start;gap:.5rem;font-size:1.1rem}.interest-item-tittle{display:flex;flex-direction:row;gap:.5rem;align-items:center;text-transform:uppercase}.interest-item i{font-size:3rem;color:var(--primary-color)}.swiper-container{width:100%;max-width:700px;padding:2rem 0}.swiper-slide{display:flex;justify-content:center;align-items:center}.swiper-slide img{display:block;width:100%;height:auto;border-radius:10px;box-shadow:0 5px 20px rgb(0 0 0 / .1)}.swiper-pagination-bullet-active{background:var(--primary-color)}.contact-form{display:flex;flex-direction:column;width:100%;max-width:600px;gap:1rem}.contact-form input,.contact-form textarea{padding:1rem;border:1px solid var(--secondary-color);border-radius:5px;font-family:var(--font-family);transition:border-color 0.3s}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary-color)}.btn-submit{padding:1rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:5px;cursor:pointer;font-size:1rem;font-weight:600;transition:background-color 0.3s}.btn-submit:hover{background-color:var(--hover-color)}.footer{text-align:center;padding:1rem;background-color:var(--primary-color);margin-top:2rem;color:#fff}.social-icons{margin-top:2rem;display:flex;gap:1rem}.social-icon{display:inline-flex;justify-content:center;align-items:center;width:45px;height:45px;border-radius:50%;text-decoration:none;font-size:1.2rem;background-color:var(--secondary-color);color:var(--text-color);transition:background-color 0.3s ease,color 0.3s ease,transform 0.3s ease,box-shadow 0.3s ease}.social-icon:hover{background-color:var(--primary-color);color:#fff;transform:translateY(-4px);box-shadow:var(--shadow)}#back-to-top-btn{position:fixed;bottom:2rem;right:2rem;width:50px;height:50px;border-radius:50%;background-color:var(--primary-color);color:#fff;font-size:1.5rem;border:none;cursor:pointer;box-shadow:0 4px 15px rgb(0 0 0 / .2);z-index:999;opacity:0;visibility:hidden;transform:translateY(20px);transition:opacity 0.4s ease,visibility 0.4s ease,transform 0.4s ease}#back-to-top-btn.show{opacity:1;visibility:visible;transform:translateY(0)}#back-to-top-btn:hover{background-color:#0097a7;transform:scale(1.05)}@media (max-width:1024px){*,html{overflow-x:hidden}.page-container{flex-direction:column;width:100%}.left-column{position:static;width:100%;height:auto;padding-bottom:0}.btn-email{margin-top:1rem}.timeline{display:none}.right-column{width:100%;border-left:none;padding:1rem 2rem}.section{min-height:auto;padding:3rem 0}}body,.sidebar,.contact-form input,.contact-form textarea,.content-item,.footer{transition:background-color 0.4s ease,color 0.4s ease}.sidebar{transition:left 0.5s ease-in-out}.header-right{display:flex;align-items:center;gap:1.5rem}.theme-toggle-button{background:none;border:none;color:var(--text-color);font-size:1.3rem;cursor:pointer;transition:color 0.3s ease,transform 0.3s ease}.theme-toggle-button:hover{color:var(--primary-color);transform:scale(1.1)}body.dark-mode .profile-pic{box-shadow:var(--shadow)}body.dark-mode .content-item{box-shadow:0 4px 20px rgb(0 0 0 / .2)}body.dark-mode .swiper-slide img{box-shadow:0 5px 20px rgb(0 0 0 / .3)}#close-sidebar-button{position:absolute;top:1rem;right:1.5rem;background:none;border:none;font-size:1.8rem;color:var(--text-color);cursor:pointer;transition:color 0.3s ease,transform 0.3s ease}#close-sidebar-button:hover{color:var(--primary-color);transform:rotate(90deg)}