:root{--primary-color:#ffffff;--secondary-color:#000000;--accent-color:#666666;--text-primary:#ffffff;--text-secondary:#cccccc;--bg-primary:#000000;--bg-secondary:#111111;--bg-tertiary:#222222;--border-color:#333333;--shadow:0 4px 6px -1px rgba(0,0,0,0.5);--shadow-lg:0 20px 25px -5px rgba(0,0,0,0.6);--gradient-primary:linear-gradient(135deg,#000000,#333333);--gradient-accent:linear-gradient(135deg,#ffffff,#cccccc)}*{margin:0;padding:0;box-sizing:border-box;transition:background-color .3s ease,color .3s ease,border-color .3s ease}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}.main-content{width:100%}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .3s ease;padding:1rem 0}.navbar.scrolled{background:var(--navbar-scrolled-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color)}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.nav-logo a{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none}.nav-links.desktop{display:flex;gap:2rem}.nav-link{text-decoration:none;font-weight:500;transition:color .3s ease;cursor:pointer}.mobile-menu-btn,.nav-link,.nav-link:hover{color:var(--text-primary)}.mobile-menu-btn{display:none;background:none;border:none;cursor:pointer}.mobile-menu{position:fixed;top:0;right:0;bottom:0;width:300px;background:rgba(0,0,0,.98);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:999;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:2rem;box-shadow:var(--shadow-lg)}.mobile-nav-link{font-size:1.5rem;text-decoration:none;font-weight:500;transition:color .3s ease}.mobile-nav-link,.mobile-nav-link:hover,.theme-toggle{color:var(--text-primary)}.theme-toggle{background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.theme-toggle:hover{border-color:var(--text-primary);background:var(--bg-tertiary);transform:rotate(180deg);box-shadow:var(--shadow)}.theme-toggle:active{transform:rotate(180deg) scale(.95)}.mobile-controls{display:none;align-items:center;gap:1rem}.theme-toggle.mobile{width:36px;height:36px}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:var(--bg-primary)}.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;z-index:1}.floating-shapes{position:absolute;width:100%;height:100%}.shape{position:absolute;border-radius:50%;opacity:.1}.shape-1{width:80px;height:80px;background:var(--text-primary);top:20%;left:10%}.shape-2{width:120px;height:120px;background:var(--accent-color);top:60%;right:15%}.shape-3{width:60px;height:60px;background:var(--text-primary);bottom:20%;left:20%}.hero-content{max-width:1200px;margin:0 auto;padding:0 2rem;text-align:center;z-index:2;position:relative}.hero-text{max-width:800px;margin:0 auto}.hero-title{font-size:clamp(2.5rem,5vw,4rem);font-weight:800;margin-bottom:1rem;line-height:1.2}.greeting{display:block;font-size:.7em;color:var(--text-secondary);font-weight:500}.name{display:block;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(1.2rem,3vw,1.5rem);color:var(--text-secondary);margin-bottom:2rem;font-weight:500}.typing-text{display:inline-block}.hero-description{font-size:1.1rem;color:var(--text-secondary);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.hero-buttons{display:flex;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.btn,.hero-buttons{justify-content:center}.btn{padding:.875rem 2rem;border-radius:.5rem;font-weight:600;text-decoration:none;transition:all .3s ease;cursor:pointer;border:none;font-size:1rem;display:inline-flex;align-items:center}.btn-primary{background:var(--text-primary);color:var(--bg-primary);box-shadow:var(--shadow)}.btn-primary:hover{background:var(--accent-color);box-shadow:var(--shadow-lg)}.btn-secondary{background:transparent;color:var(--text-primary);border:2px solid var(--text-primary)}.btn-secondary:hover{background:var(--text-primary);color:var(--bg-primary)}.social-links{display:flex;gap:1rem;justify-content:center}.social-link{padding:.75rem;border-radius:.5rem;background:var(--bg-secondary);color:var(--text-secondary);text-decoration:none;transition:all .3s ease;box-shadow:var(--shadow)}.social-link:hover{color:var(--text-primary);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.scroll-indicator{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:2}.scroll-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:.5rem;border-radius:50%;transition:all .3s ease}.scroll-btn:hover{color:var(--text-primary);background:var(--bg-secondary)}.section{padding:5rem 2rem}.container,.section{max-width:1200px;margin:0 auto}.container{padding:0 2rem}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:clamp(2rem,4vw,3rem);font-weight:700;text-align:center;margin-bottom:1rem;color:var(--text-primary)}.section-subtitle{font-size:1.1rem;color:var(--text-secondary);text-align:center;max-width:600px;margin:0 auto}.about{padding:5rem 0;background:var(--bg-secondary)}.about-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:4rem;gap:4rem;align-items:center;margin-bottom:4rem}.about-text .text-content p{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.7;font-size:1.1rem}.personal-info{margin-top:2rem;display:grid;grid-template-columns:1fr 1fr;grid-gap:1rem;gap:1rem}.info-item{display:flex;flex-direction:column;gap:.25rem}.info-item .label{font-weight:600;color:var(--text-primary);font-size:.9rem}.info-item .value{color:var(--text-secondary);font-size:1rem}.image-container{position:relative;display:flex;justify-content:center;align-items:center}.profile-image{position:relative;z-index:2}.profile-img{object-fit:cover;transition:transform .3s ease}.image-placeholder,.profile-img{width:280px;height:280px;border-radius:50%;box-shadow:var(--shadow-lg)}.image-placeholder{color:var(--text-primary)}.avatar{font-size:4rem;font-weight:700;color:white}.image-decoration{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1}.decoration-shape{width:320px;height:320px;border:2px dashed var(--text-primary);border-radius:50%;opacity:.3}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:2rem;gap:2rem}.stat-card{background:var(--bg-primary);padding:2rem;border-radius:1rem;text-align:center;box-shadow:var(--shadow);transition:all .3s ease}.stat-card:hover{box-shadow:var(--shadow-lg)}.stat-icon{width:60px;height:60px;background:var(--text-primary);color:var(--bg-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}.stat-value{font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.stat-label{color:var(--text-secondary);font-weight:500}.skills{background:var(--bg-primary);padding:5rem 0}.skills-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:1.5rem;gap:1.5rem;margin-bottom:4rem}.skill-category{background:var(--bg-secondary);padding:1.5rem;border-radius:1rem;box-shadow:var(--shadow);transition:transform .3s ease;min-height:350px}.skill-category:hover{transform:translateY(-5px)}.category-title{font-size:1.3rem;margin-bottom:1rem;color:var(--text-primary);font-weight:600;text-align:center}.skills-list{display:flex;flex-direction:column;gap:1rem}.skill-item{margin-bottom:1rem}.skill-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.skill-name{font-weight:500;color:var(--text-primary)}.skill-percentage{font-size:.9rem;color:var(--text-secondary);font-weight:600}.skill-bar{height:6px;background:var(--border-color);border-radius:3px;overflow:hidden}.skill-progress{height:100%;background:var(--gradient-primary);border-radius:3px;transition:width 1s ease-out}.skill-intensity-guide{margin:2rem auto 1rem;text-align:center}.intensity-bars{display:flex;justify-content:center;align-items:center;gap:1.5rem;flex-wrap:wrap}.intensity-item{display:flex;flex-direction:column;align-items:center;gap:.5rem}.intensity-bar{width:40px;height:8px;border-radius:4px;border:1px solid #444}.intensity-item span{font-size:.8rem;color:var(--text-secondary);text-align:center}@media (max-width:1200px) and (min-width:993px){.skills-grid{grid-template-columns:repeat(4,1fr);gap:1rem}}@media (max-width:992px) and (min-width:769px){.skills-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}}@media (max-width:768px){.intensity-bars{gap:1rem}.intensity-bar{width:30px;height:6px}.intensity-item span{font-size:.7rem}}.skills-summary{text-align:center;max-width:600px;margin:0 auto}.skills-summary h3{font-size:1.5rem;margin-bottom:1rem;color:var(--text-primary)}.skills-summary p{color:var(--text-secondary);line-height:1.7;font-size:1.1rem}.projects{padding:5rem 0;background:var(--bg-secondary)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));grid-gap:2rem;gap:2rem;margin-bottom:4rem}.project-card{background:var(--bg-primary);border-radius:1rem;overflow:hidden;box-shadow:var(--shadow);transition:all .3s ease}.project-card:hover{box-shadow:var(--shadow-lg)}.project-card.featured{border:1px solid var(--accent-color);position:relative}.project-card.featured:before{content:"";position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;background:linear-gradient(45deg,var(--accent-color),transparent,var(--accent-color));border-radius:1rem;z-index:-1;opacity:.3}.project-image{position:relative;width:100%;height:200px;overflow:hidden}.project-img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.project-card:hover .project-img{transform:scale(1.1)}.image-placeholder{width:100%;height:100%;background:var(--gradient-primary);color:white}.image-placeholder,.project-overlay{display:flex;align-items:center;justify-content:center}.project-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);opacity:0;transition:opacity .3s ease}.project-card:hover .project-overlay{opacity:1}.project-links{display:flex;gap:1rem}.project-link{padding:.75rem;background:white;color:var(--text-primary);border-radius:50%;text-decoration:none;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.project-link:hover{background:var(--text-primary);color:var(--bg-primary)}.project-content{padding:1.5rem}.project-title{font-size:1.3rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.project-description{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}.project-tech{display:flex;flex-wrap:wrap;gap:.5rem}.tech-tag{background:var(--bg-secondary);color:var(--text-secondary);padding:.3rem .8rem;border-radius:1rem;font-size:.8rem;font-weight:500;border:1px solid var(--border-color)}.projects-cta{text-align:center}.projects-cta p{color:var(--text-secondary);margin-bottom:2rem;font-size:1.1rem}.certificates{padding:5rem 0;background:var(--bg-primary)}.certificates-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));grid-gap:2rem;gap:2rem;margin-bottom:4rem}.certificate-card{background:var(--bg-secondary);border-radius:1rem;overflow:hidden;box-shadow:var(--shadow);transition:all .3s ease;border:1px solid var(--border-color)}.certificate-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.certificate-header{position:relative;height:150px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;overflow:hidden}.certificate-icon{font-size:3rem;color:white;z-index:2}.certificate-bg-pattern{position:absolute;top:0;left:0;right:0;bottom:0;opacity:.1;background-image:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,.1) 0,rgba(255,255,255,.1) 20px)}.certificate-content{padding:1.5rem}.certificate-title{font-size:1.2rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.certificate-issuer{color:var(--text-primary);font-weight:500;margin-bottom:1rem;font-size:.95rem}.certificate-description{color:var(--text-secondary);line-height:1.6;margin-bottom:1rem;font-size:.9rem}.certificate-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.certificate-date{color:var(--text-secondary);font-size:.85rem}.certificate-status{padding:.25rem .75rem;border-radius:1rem;font-size:.8rem;font-weight:500}.certificate-status.valid{background:rgba(34,197,94,.2);color:#22c55e;border:1px solid rgba(34,197,94,.3)}.certificate-status.expired{background:rgba(239,68,68,.2);color:#ef4444;border:1px solid rgba(239,68,68,.3)}.certificate-actions,.certificate-btn{display:flex;gap:.5rem}.certificate-btn{flex:1 1;padding:.75rem;border:1px solid var(--border-color);border-radius:.5rem;background:transparent;color:var(--text-secondary);text-decoration:none;font-size:.85rem;font-weight:500;transition:all .3s ease;align-items:center;justify-content:center}.certificate-btn.primary,.certificate-btn:hover{background:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary)}.certificate-btn.primary:hover{background:var(--accent-color);border-color:var(--accent-color)}.certificates-cta{text-align:center}.certificates-cta p{color:var(--text-secondary);margin-bottom:2rem;font-size:1.1rem}.contact{background:var(--bg-primary);padding:5rem 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:4rem;gap:4rem;align-items:start}.contact-info h3{font-size:1.5rem;margin-bottom:1rem;color:var(--text-primary)}.contact-info p{color:var(--text-secondary);margin-bottom:2rem;line-height:1.7;font-size:1.1rem}.contact-details{margin-bottom:3rem}.contact-item{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;text-decoration:none;color:inherit;transition:all .3s ease;padding:.5rem;border-radius:.5rem}.contact-item:hover{background:var(--bg-tertiary)}.contact-icon{width:50px;height:50px;background:var(--text-primary);color:var(--bg-primary);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.contact-text{flex:1 1}.contact-label{font-weight:600;color:var(--text-primary);margin-bottom:.25rem}.contact-value{color:var(--text-secondary)}.social-links h4{margin-bottom:1rem;color:var(--text-primary)}.social-icons{display:flex;gap:1rem}.contact-form{background:var(--bg-secondary);padding:2rem;border-radius:1rem;box-shadow:var(--shadow)}.form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:1rem;gap:1rem;margin-bottom:1.5rem}.form-group{display:flex;flex-direction:column;margin-bottom:1.5rem}.form-input{padding:1rem;border:2px solid var(--border-color);border-radius:.5rem;font-family:inherit;font-size:1rem;transition:all .3s ease;background:var(--bg-tertiary);color:var(--text-primary)}.form-input:focus{outline:none;border-color:var(--text-primary);box-shadow:0 0 0 3px rgba(255,255,255,.1)}.form-textarea{resize:vertical;min-height:120px}.submit-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:.5rem}.submit-btn:disabled{opacity:.7;cursor:not-allowed}.footer{background:var(--bg-primary);color:var(--text-primary);text-align:center;padding:2rem 0;border-top:1px solid var(--border-color)}@media (max-width:768px){.nav-links.desktop{display:none}.mobile-controls{display:flex}.about-grid,.contact-grid{grid-template-columns:1fr;gap:2rem}.hero-buttons{flex-direction:column;align-items:center}.btn{width:100%;max-width:250px}.about,.contact,.projects,.section,.skills{padding:3rem 0}.container{padding:0 1rem}.certificates-grid,.form-row,.personal-info,.projects-grid,.skills-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.hero-title{font-size:2.5rem}.section-title{font-size:2rem}.decoration-shape,.image-placeholder{width:200px;height:200px}.avatar{font-size:3rem}}@media (max-width:480px){.stats-grid{grid-template-columns:1fr}.hero-title{font-size:2rem}.social-links{justify-content:center;flex-wrap:wrap}}