:root{--color-about:#04abe9;--color-services:#36b448;--color-skills:#f8931c;--color-contact:#2f2f2f;--color-bg:#1a1a1a;--color-bg-light:#2a2a2a;--color-text:#ffffff;--color-text-secondary:#cccccc;--spacing-xs:0.5rem;--spacing-sm:1rem;--spacing-md:1.5rem;--spacing-lg:2rem;--spacing-xl:2.46rem;--transition-fast:0.2s ease;--transition-normal:0.3s ease;--transition-slow:0.5s cubic-bezier(0.4, 0, 0.2, 1);--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.1);--shadow-md:0 4px 16px rgba(0, 0, 0, 0.2);--shadow-lg:0 8px 32px rgba(0, 0, 0, 0.3)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:inter,-apple-system,BlinkMacSystemFont,segoe ui,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;overflow-x:hidden;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:poppins,sans-serif;font-weight:600;line-height:1.3}.header{background:linear-gradient(135deg,rgba(26,26,26,.98) 0%,rgba(42,42,42,.95) 100%);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,5%);padding:var(--spacing-md)var(--spacing-lg);position:sticky;top:0;z-index:400;box-shadow:var(--shadow-md)}.header-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-lg)}.header-right{display:flex;align-items:center;gap:var(--spacing-lg)}.logo{display:flex;align-items:center;gap:var(--spacing-md)}.logo-link{display:inline-block;transition:transform var(--transition-fast);text-decoration:none}.logo-link:hover{animation:logoShake .5s ease-in-out}@keyframes logoShake{0%,100%{transform:translateX(0)}10%,30%,50%,70%,90%{transform:translateX(-2px)}20%,40%,60%,80%{transform:translateX(2px)}}.logo svg{width:60px;height:60px;filter:drop-shadow(0 2px 8px rgba(0,166,206,.3))}.logo-text h1{font-size:1.8rem;font-weight:800;letter-spacing:2px;background:linear-gradient(135deg,var(--color-about),var(--color-services),var(--color-skills));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-text p{font-size:.9rem;letter-spacing:3px;color:var(--color-text-secondary);font-weight:400}.logo-text .slogan{font-size:.8rem;letter-spacing:1px;color:var(--color-skills);font-weight:500;margin-top:var(--spacing-xs)}.header-contact{display:flex;gap:var(--spacing-lg)}.contact-item{display:flex;align-items:center;gap:var(--spacing-xs);color:var(--color-text-secondary);transition:var(--transition-fast);text-decoration:none}.contact-item:hover{color:var(--color-text);transform:translateY(-2px);text-decoration:none}.contact-item svg{opacity:.7}.language-selector{position:relative;display:inline-block}.lang-toggle{display:flex;align-items:center;gap:var(--spacing-xs);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:var(--spacing-xs)var(--spacing-sm);color:var(--color-text);cursor:pointer;transition:all var(--transition-fast);font-size:.9rem;font-weight:500}.lang-toggle:hover{background:rgba(255,255,255,.15);border-color:var(--color-about)}.lang-toggle svg{transition:transform var(--transition-fast)}.lang-dropdown{position:absolute;top:100%;right:0;background:var(--color-bg-light);border:1px solid rgba(255,255,255,.1);border-radius:8px;box-shadow:var(--shadow-lg);min-width:120px;z-index:1000;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all var(--transition-fast);margin-top:var(--spacing-xs)}.lang-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.lang-option{display:block;width:100%;padding:var(--spacing-sm)var(--spacing-md);background:0 0;border:none;color:var(--color-text);text-align:left;cursor:pointer;transition:background var(--transition-fast);font-size:.9rem}.lang-option:hover{background:rgba(255,255,255,.1)}.lang-option:first-child{border-radius:8px 8px 0 0}.lang-option:last-child{border-radius:0 0 8px 8px}.main-container{position:relative;width:100%;min-height:calc(100vh - 120px);display:flex;padding:var(--spacing-lg)}.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-lg);width:100%;max-width:1400px;margin:0 auto;transition:var(--transition-slow)}.cards-grid.panel-open{grid-template-columns:repeat(4,1fr);width:25%;flex-shrink:0}.card{position:relative;min-height:400px;border-radius:16px;overflow:hidden;cursor:pointer;transition:all var(--transition-slow);box-shadow:var(--shadow-md)}.card::before{content:'';position:absolute;inset:0;background:inherit;transition:var(--transition-normal)}.card-about{background:linear-gradient(135deg,var(--color-about) 0%,rgba(4,171,233,.8) 100%)}.card-services{background:linear-gradient(135deg,var(--color-services) 0%,rgba(54,180,72,.8) 100%)}.card-skills{background:linear-gradient(135deg,var(--color-skills) 0%,rgba(248,147,28,.8) 100%)}.card-contact{background:linear-gradient(135deg,var(--color-contact) 0%,rgba(77,77,77,.8) 100%)}.card-pattern{position:absolute;inset:0;opacity:.3;background-size:200px 200px;background-repeat:repeat;pointer-events:none;transition:var(--transition-slow)}.card-about .card-pattern{background-image:repeating-conic-gradient(from 0 at 50% 50%,rgba(255,255,255,.3) 0,transparent 30deg,rgba(255,255,255,.2) 60deg,transparent 90deg),radial-gradient(circle at 20% 20%,rgba(255,255,255,.4) 1px,transparent 1px),radial-gradient(circle at 80% 80%,rgba(255,255,255,.3) 1px,transparent 1px)}.card-services .card-pattern{background-image:linear-gradient(45deg,rgba(255,255,255,.2) 25%,transparent 25%),linear-gradient(-45deg,rgba(255,255,255,.2) 25%,transparent 25%)}.card-skills .card-pattern{background-image:repeating-linear-gradient(45deg,transparent,transparent 35px,rgba(255,255,255,.2) 35px,rgba(255,255,255,.2) 70px)}.card-contact .card-pattern{background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.3) 0,rgba(255,255,255,.3) 2px,transparent 2px,transparent 8px),repeating-linear-gradient(0,rgba(255,255,255,.2) 0,rgba(255,255,255,.2) 2px,transparent 2px,transparent 8px),radial-gradient(circle at 30% 70%,rgba(255,255,255,.4) 1px,transparent 1px),radial-gradient(circle at 70% 30%,rgba(255,255,255,.3) 1px,transparent 1px)}.card-content{position:relative;z-index:2;padding:var(--spacing-xl);height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.card-title{font-size:2.5rem;font-weight:700;margin-bottom:var(--spacing-sm);color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.2)}.card-subtitle{font-size:1.1rem;color:rgba(255,255,255,.9);font-weight:400}.card-hover-effect{position:absolute;inset:0;background:radial-gradient(circle at var(--mouse-x,50%) var(--mouse-y,50%),rgba(255,255,255,.2) 0%,transparent 50%);opacity:0;transition:opacity var(--transition-normal);pointer-events:none}.card:hover .card-hover-effect{opacity:1}.card:hover{transform:translateY(-8px)scale(1.02);box-shadow:var(--shadow-lg),0 0 40px currentColor}.card-about:hover{box-shadow:var(--shadow-lg),0 0 40px rgba(4,171,233,.4)}.card-services:hover{box-shadow:var(--shadow-lg),0 0 40px rgba(54,180,72,.4)}.card-skills:hover{box-shadow:var(--shadow-lg),0 0 40px rgba(248,147,28,.4)}.card-contact:hover{box-shadow:var(--shadow-lg),0 0 40px rgba(237,91,56,.4)}.card:hover .card-pattern{opacity:.5;transform:scale(1.1)}.card:active{transform:translateY(-4px)scale(1.01)}.panel{position:fixed;top:100px;left:0;width:100%;height:calc(100vh - 100px);background:linear-gradient(135deg,rgba(26,26,26,.98) 0%,rgba(42,42,42,.98) 100%);backdrop-filter:blur(20px);transform:translateY(100%);transition:transform var(--transition-slow);z-index:500;overflow-y:auto;box-shadow:0 -4px 32px rgba(0,0,0,.5)}.panel.open{transform:translateY(0)}.panel-close{position:fixed;top:var(--spacing-lg);right:var(--spacing-lg);background:rgba(255,255,255,.1);border:none;border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--color-text);transition:all var(--transition-fast);z-index:600;backdrop-filter:blur(10px)}.panel-close:hover{background:rgba(255,255,255,.2);transform:rotate(90deg)scale(1.1)}.panel-close:active{transform:rotate(90deg)scale(.95)}.panel-content{padding:var(--spacing-xl);padding-top:calc(var(--spacing-xl) + 60px);max-width:1200px;margin:0 auto}.panel-section{display:none;animation:fadeInUp var(--transition-slow)}.panel-section.active{display:block}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.panel-title{font-size:3rem;font-weight:700;margin-bottom:var(--spacing-xl);background:linear-gradient(135deg,var(--color-about),var(--color-services),var(--color-skills),var(--color-contact));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.about-content{display:flex;flex-direction:column;gap:var(--spacing-lg)}.about-intro{padding:var(--spacing-lg);background:linear-gradient(135deg,rgba(4,171,233,.1) 0%,rgba(54,180,72,.1) 100%);border-left:4px solid var(--color-about);border-radius:8px}.about-intro .highlight{font-size:1.3rem;font-weight:500;line-height:1.8;color:var(--color-text)}.about-sections{display:flex;flex-direction:column;gap:var(--spacing-lg)}.about-item{padding:var(--spacing-lg);background:rgba(255,255,255,2%);border-radius:12px;border:1px solid rgba(255,255,255,5%);transition:var(--transition-normal)}.about-item:hover{background:rgba(255,255,255,5%);border-color:rgba(255,255,255,.1);transform:translateX(8px)}.about-item h3{font-size:1.5rem;margin-bottom:var(--spacing-md);color:var(--color-about)}.about-item p{color:var(--color-text-secondary);line-height:1.8;margin-bottom:var(--spacing-sm)}.about-item ul{list-style:none;padding-left:0}.about-item ul li{padding:var(--spacing-xs)0;padding-left:var(--spacing-md);position:relative;color:var(--color-text-secondary);line-height:1.8}.about-item ul li::before{content:'▹';position:absolute;left:0;color:var(--color-about);font-weight:700}.about-item ul li strong{color:var(--color-text)}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--spacing-lg)}.service-card{padding:var(--spacing-lg);background:rgba(255,255,255,2%);border-radius:12px;border:1px solid rgba(255,255,255,5%);transition:all var(--transition-normal);position:relative;overflow:hidden}.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-services),var(--color-skills));transform:scaleX(0);transition:transform var(--transition-normal)}.service-card:hover::before{transform:scaleX(1)}.service-card:hover{background:rgba(255,255,255,5%);border-color:var(--color-services);transform:translateY(-8px);box-shadow:var(--shadow-lg),0 0 30px rgba(54,180,72,.2)}.service-icon{width:60px;height:60px;margin-bottom:var(--spacing-md);color:var(--color-services)}.service-icon svg{width:100%;height:100%}.service-card h3{font-size:1.4rem;margin-bottom:var(--spacing-sm);color:var(--color-text)}.service-card p{color:var(--color-text-secondary);line-height:1.7}.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:var(--spacing-lg)}.skill-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:rgba(255,255,255,2%);border-radius:12px;border:1px solid rgba(255,255,255,5%);transition:all var(--transition-normal);cursor:default}.skill-item:hover{background:rgba(255,255,255,5%);border-color:var(--color-skills);transform:translateY(-8px)scale(1.05);box-shadow:var(--shadow-md),0 0 20px rgba(248,147,28,.3)}.skill-item img{width:60px;height:60px;object-fit:contain;transition:transform var(--transition-normal)}.skill-item:hover img{transform:scale(1.1)rotate(5deg)}.skill-item span{font-size:.95rem;font-weight:500;color:var(--color-text-secondary);text-align:center;transition:var(--transition-fast)}.skill-item:hover span{color:var(--color-text)}.contact-content{display:flex;flex-direction:column;gap:var(--spacing-xl)}.contact-intro{padding:var(--spacing-lg);background:linear-gradient(135deg,rgba(237,91,56,.1) 0%,rgba(248,147,28,.1) 100%);border-left:4px solid var(--color-contact);border-radius:8px}.contact-intro p{font-size:1.2rem;color:var(--color-text-secondary)}.contact-methods{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg)}.contact-method{display:flex;gap:var(--spacing-md);padding:var(--spacing-lg);background:rgba(255,255,255,2%);border-radius:12px;border:1px solid rgba(255,255,255,5%);transition:all var(--transition-normal)}.contact-method:hover{background:rgba(255,255,255,5%);border-color:var(--color-contact);transform:translateY(-4px)}.method-icon{width:60px;height:60px;display:flex;align-items:center;justify-content:center;border-radius:12px;flex-shrink:0}.method-icon.whatsapp{background:linear-gradient(135deg,#25D366 0%,#128C7E 100%)}.method-icon.email{background:linear-gradient(135deg,var(--color-contact) 0%,var(--color-skills) 100%)}.method-icon svg{width:32px;height:32px}.method-details{flex:1}.method-details h3{font-size:1.3rem;margin-bottom:var(--spacing-xs);color:var(--color-text)}.contact-link{display:inline-block;font-size:1.1rem;color:var(--color-text);text-decoration:none;font-weight:500;transition:var(--transition-fast);position:relative}.contact-link::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--color-skills);transition:width var(--transition-normal)}.contact-link:hover::after{width:100%}.contact-link:hover{color:var(--color-skills)}.method-note{font-size:.9rem;color:var(--color-text-secondary);margin-top:var(--spacing-xs)}.contact-form-section{padding:var(--spacing-lg);background:rgba(255,255,255,2%);border-radius:12px;border:1px solid rgba(255,255,255,5%)}.contact-form-section h3{font-size:1.5rem;margin-bottom:var(--spacing-lg);color:var(--color-text)}.contact-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.form-group{display:flex;flex-direction:column}.form-group input,.form-group textarea{padding:var(--spacing-md);background:rgba(255,255,255,5%);border:1px solid rgba(255,255,255,.1);border-radius:8px;color:var(--color-text);font-family:inter,sans-serif;font-size:1rem;transition:all var(--transition-fast)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-contact);background:rgba(255,255,255,8%);box-shadow:0 0 0 3px rgba(237,91,56,.1)}.form-group textarea{resize:vertical;min-height:120px}.submit-btn{padding:var(--spacing-md)var(--spacing-xl);background:linear-gradient(135deg,var(--color-contact) 0%,var(--color-skills) 100%);border:none;border-radius:8px;color:#fff;font-family:poppins,sans-serif;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);align-self:flex-start}.submit-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 30px rgba(248,147,28,.4)}.submit-btn:active{transform:translateY(0)}@media(max-width:1200px){.cards-grid{grid-template-columns:repeat(2,1fr)}.card{min-height:300px}}@media(max-width:768px){.header-content{flex-direction:column;text-align:center;gap:var(--spacing-md)}.header-contact{flex-direction:column;gap:var(--spacing-sm);width:100%}.main-container{padding:var(--spacing-sm)}.cards-grid{grid-template-columns:1fr;gap:var(--spacing-sm)}.cards-grid.panel-open{display:none}.card{min-height:80px;transition:all var(--transition-normal)}.card.accordion-expanded{min-height:300px}.card.accordion-collapsed{min-height:60px}.card.accordion-collapsed .card-content{padding:var(--spacing-md)}.card.accordion-collapsed .card-title{font-size:1.3rem}.card.accordion-collapsed .card-subtitle{font-size:.85rem}.card-content{padding:var(--spacing-md)}.card-title{font-size:1.8rem}.card-subtitle{font-size:.95rem}.panel{width:100%;top:0;left:0;height:100vh;transform:translateY(100%);z-index:500}.panel.open{transform:translateY(0)}.panel-content{padding:var(--spacing-lg);padding-top:calc(var(--spacing-xl) + 40px)}.panel-title{font-size:2rem}.panel-close{position:fixed;top:var(--spacing-md);right:var(--spacing-md);z-index:600}.services-grid{grid-template-columns:1fr}.skills-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:var(--spacing-md)}.contact-methods{grid-template-columns:1fr}}@media(max-width:480px){.logo svg{width:50px;height:50px}.logo-text h1{font-size:1.4rem}.logo-text p{font-size:.75rem}.logo-text .slogan{font-size:.7rem}.panel-title{font-size:1.6rem}.skills-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr))}.skill-item img{width:50px;height:50px}}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:rgba(255,255,255,2%)}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-about);color:#fff;padding:8px;text-decoration:none;z-index:1000}.skip-link:focus{top:0}*:focus{outline:2px solid var(--color-about);outline-offset:2px}*:focus:not(:focus-visible){outline:none}*:focus-visible{outline:2px solid var(--color-about);outline-offset:2px}.card:focus-visible{outline:3px solid var(--color-about);outline-offset:4px;transform:translateY(-4px)}button:focus-visible{outline:2px solid var(--color-about);outline-offset:2px}input:focus-visible,textarea:focus-visible{outline:2px solid var(--color-about);outline-offset:2px}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}.loading{animation:pulse 1.5s ease-in-out infinite}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}