:root{--bg-color:#0a0a0a;--card-bg:#141414;--text-main:#fff;--text-muted:#a3a3a3;--primary:#fff;--primary-hover:#ccc;--primary-text:#000;--nav-bg:#0a0a0ad9;--border-color:#ffffff26;--input-bg:#1c1c1c;--hero-bg:linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);--nav-height:70px;--font-heading:"Space Grotesk", sans-serif;--font-body:"Inter", sans-serif}body.light-mode{--bg-color:#fff;--card-bg:#f5f5f5;--text-main:#000;--text-muted:#525252;--primary:#000;--primary-hover:#333;--primary-text:#fff;--nav-bg:#ffffffd9;--border-color:#0000001a;--input-bg:#ebebeb;--hero-bg:linear-gradient(135deg, #fff 0%, #f0f0f0 100%)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-body);line-height:1.6;transition:background-color .3s,color .3s}section[id]{scroll-margin-top:0}a{color:inherit;text-decoration:none;transition:all .3s}ul{list-style:none}h1,h2,h3,h4{font-family:var(--font-heading);line-height:1.2}.container{max-width:1100px;margin:0 auto;padding:0 20px}.section-padding{padding:80px 0}.navbar{width:100%;height:var(--nav-height);background:var(--nav-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:0 5%;display:flex;position:fixed;top:0;left:0}.logo{letter-spacing:1px;font-size:1.5rem;font-weight:700}.highlight{color:var(--primary)}.nav-actions{align-items:center;gap:20px;display:flex}.nav-links{gap:25px;display:flex}.nav-links a{color:var(--text-muted);font-weight:500}.nav-links a:hover{color:var(--primary)}@media (width<=768px){.nav-links{display:none}}.theme-toggle{cursor:pointer;color:var(--text-main);background:0 0;border:none;align-items:center;display:flex}.resume-btn{border:1px solid var(--primary);color:var(--primary);border-radius:5px;padding:6px 14px;font-weight:600}.resume-btn:hover{background:var(--primary);color:var(--primary-text)}.hero{padding-top:calc(var(--nav-height) + 50px);background:var(--hero-bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.hero-container{justify-content:space-between;align-items:center;gap:40px;width:100%;max-width:1100px;padding:0 20px;display:flex}.hero-text{flex:1}.hero-text h1{margin:10px 0 20px;font-size:3rem}.hero-text p{color:var(--text-muted);margin-bottom:30px;font-size:1.1rem}.hero-buttons{flex-wrap:wrap;gap:15px;display:flex}.cta-btn{background:var(--primary);color:var(--primary-text);border:2px solid var(--primary);text-align:center;border-radius:8px;padding:12px 24px;font-weight:600;transition:all .2s}.cta-btn:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.cta-btn-outline{color:var(--text-main);border:2px solid var(--border-color);background:0 0}.cta-btn-outline:hover{border-color:var(--primary);color:var(--primary);background:0 0}.hero-avatar{background:linear-gradient(135deg,#e5e5e5,#737373,#171717);border-radius:50%;flex:1;justify-content:center;align-items:center;max-width:350px;height:350px;padding:6px;animation:6s ease-in-out infinite float;display:flex;position:relative;box-shadow:0 0 40px #8080804d}.avatar-img{object-fit:cover;border:4px solid var(--bg-color);background-color:var(--bg-color);border-radius:50%;width:100%;height:100%}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-15px)}to{transform:translateY(0)}}@media (width<=768px){.hero-container{text-align:center;flex-direction:column-reverse}.hero-text h1{font-size:2.2rem}}.about-content{text-align:center;max-width:900px;margin:0 auto}.about-text-section{border-bottom:1px solid var(--border-color);margin-bottom:80px;padding-bottom:60px}.about-text-section h2{margin-bottom:25px}.about-text-section p{color:var(--text-muted);max-width:700px;margin:0 auto;font-size:1.1rem;line-height:1.8}.tech-stack-section h3{text-align:center;margin-bottom:50px;font-size:1.5rem}.tech-icons-grid{flex-wrap:wrap;justify-content:center;gap:30px;margin-top:20px;display:flex}.tech-item{justify-content:center;align-items:center;padding:10px;transition:transform .3s;display:flex}.tech-item:hover{transform:translateY(-10px)scale(1.1)}.tech-icon{color:var(--text-muted);font-size:4rem;transition:color .3s;display:flex}.tech-item:hover .tech-icon{color:var(--primary);cursor:help}.projects-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin-top:40px;display:grid}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;height:100%;padding:25px;transition:transform .3s,border-color .3s;display:flex}.card:hover{border-color:var(--primary);transform:translateY(-5px)}.card h3{margin-bottom:10px;font-size:1.4rem}.card p{color:var(--text-muted);margin-bottom:20px;font-size:.95rem;line-height:1.6}.card-footer{border-top:1px solid var(--border-color);margin-top:auto;padding-top:20px}.tags{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.tags span{background:var(--input-bg);color:var(--primary);border-radius:20px;padding:4px 10px;font-size:.75rem;font-weight:600}.project-links{gap:20px;display:flex}.link-btn{color:var(--text-main);align-items:center;font-size:.9rem;font-weight:600;transition:color .2s;display:flex}.link-btn:hover{color:var(--primary);text-decoration:underline}.contact-container{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;max-width:600px;margin:0 auto;padding:40px}.form-group{margin-bottom:20px}.form-group label{margin-bottom:8px;display:block}.form-input,.form-textarea{background:var(--input-bg);border:1px solid var(--border-color);width:100%;color:var(--text-main);border-radius:6px;padding:12px;font-size:1rem}.form-textarea{resize:vertical;max-height:300px}.submit-btn{background:var(--primary);width:100%;color:var(--primary-text);cursor:pointer;border:none;border-radius:6px;padding:12px;font-size:1rem;font-weight:600}.submit-btn:hover{background:var(--primary-hover)}.footer{background-color:var(--bg-color);border-top:1px solid var(--border-color);text-align:center;padding:50px 0}.social-links{justify-content:center;gap:20px;margin-bottom:20px;display:flex}.social-btn{background:var(--card-bg);color:var(--text-muted);border:1px solid var(--border-color);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.5rem;transition:all 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auto;padding-left:30px;position:relative}.timeline:before{content:"";background-color:var(--border-color);width:2px;height:100%;position:absolute;top:0;left:0}.timeline-item{margin-bottom:40px;position:relative}.timeline-dot{background-color:var(--primary);border:3px solid var(--bg-color);width:14px;height:14px;box-shadow:0 0 0 3px var(--border-color);border-radius:50%;position:absolute;top:5px;left:-36px}.timeline-content{padding:25px}.timeline-content h3{margin-bottom:5px;font-size:1.3rem}.timeline-content h4{margin-bottom:10px;font-size:1rem;font-weight:500}.timeline-date{background:var(--input-bg);color:var(--text-muted);border-radius:4px;margin-bottom:15px;padding:4px 10px;font-size:.85rem;display:inline-block}.timeline-content ul{color:var(--text-muted);padding-left:20px;font-size:.95rem}.timeline-content li{margin-bottom:8px;list-style-type:square}.timeline-content li::marker{color:var(--primary)}.cert-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px;max-width:1000px;margin:0 auto;display:grid}.cert-card{background:var(--bg-color);border:1px solid var(--border-color);border-radius:12px;align-items:flex-start;padding:30px 65px 30px 30px;transition:transform .2s,border-color .2s;display:flex;position:relative}.cert-card:hover{border-color:var(--primary);transform:translateY(-4px)}.cert-icon{color:var(--primary);flex-shrink:0;margin-top:-2px;margin-right:20px;font-size:2.8rem}.cert-info{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.cert-info h3{word-wrap:break-word;margin:0;font-size:1.15rem;line-height:1.5}.cert-issuer{color:var(--text-main);margin:0;font-size:.95rem;font-weight:600}.cert-date{color:var(--text-muted);margin:0;font-size:.85rem}.cert-link{color:var(--text-muted);font-size:1.1rem;transition:color .2s;position:absolute;top:30px;right:25px}.cert-link:hover{color:var(--primary)}