.header{position:fixed;top:0;left:0;right:0;background:#fff;box-shadow:0 2px 10px #0000000d;z-index:1000;transition:all .3s ease}.header.scrolled{box-shadow:0 2px 20px #0000001a}.nav{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 0}.logo{font-size:1.5rem;font-weight:700;color:var(--primary)}.nav-links{display:flex;list-style:none;gap:2rem}.nav-links a{color:var(--text);font-weight:500;transition:color .3s;cursor:pointer}.nav-links a:hover{color:var(--primary)}.mobile-toggle{display:none;flex-direction:column;gap:4px;background:none;padding:5px}.mobile-toggle span{width:25px;height:3px;background:var(--dark);transition:.3s}@media (max-width: 768px){.mobile-toggle{display:flex}.nav-links{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:2rem;box-shadow:0 10px 20px #0000001a;transform:translateY(-100%);opacity:0;pointer-events:none;transition:all .3s ease}.nav-links.active{transform:translateY(0);opacity:1;pointer-events:all}}.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding-top:80px}.hero-content{text-align:center;max-width:800px;margin:0 auto}.hero-title{font-size:3.5rem;margin-bottom:1rem;color:#fff;animation:fadeInUp .8s ease}.highlight{color:#fbbf24}.hero-subtitle{font-size:1.8rem;margin-bottom:1.5rem;opacity:.95;animation:fadeInUp .8s ease .2s backwards}.hero-description{font-size:1.2rem;margin-bottom:2.5rem;opacity:.9;line-height:1.8;animation:fadeInUp .8s ease .4s backwards}.hero-buttons{display:flex;gap:1rem;justify-content:center;animation:fadeInUp .8s ease .6s backwards}.btn{padding:.9rem 2rem;font-size:1rem;font-weight:600;border-radius:8px;transition:all .3s ease}.btn-primary{background:#fff;color:var(--primary)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 25px #0003}.btn-secondary{background:transparent;color:#fff;border:2px solid white}.btn-secondary:hover{background:#fff;color:var(--primary)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.4rem}.hero-description{font-size:1rem}.hero-buttons{flex-direction:column;align-items:center}.btn{width:100%;max-width:300px}}.about{background:#fff}.about-content{max-width:900px;margin:0 auto}.about-text p{font-size:1.1rem;margin-bottom:1.5rem;line-height:1.8;text-align:center}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-top:3rem}.stat-item{text-align:center;padding:2rem;background:var(--light);border-radius:12px;transition:transform .3s ease}.stat-item:hover{transform:translateY(-5px)}.stat-item h3{font-size:2.5rem;color:var(--primary);margin-bottom:.5rem}.stat-item p{color:var(--text);font-size:1rem;margin:0}@media (max-width: 768px){.stats{grid-template-columns:1fr;gap:1.5rem}}.skills{background:var(--light)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.skill-item{background:#fff;padding:1.5rem;border-radius:12px;box-shadow:0 2px 10px #0000000d;transition:transform .3s ease}.skill-item:hover{transform:translateY(-5px);box-shadow:0 5px 20px #0000001a}.skill-header{display:flex;justify-content:space-between;margin-bottom:.8rem}.skill-name{font-weight:600;color:var(--dark)}.skill-percentage{color:var(--primary);font-weight:600}.skill-bar{height:8px;background:var(--border);border-radius:10px;overflow:hidden}.skill-progress{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:10px;transition:width 1s ease}@media (max-width: 768px){.skills-grid{grid-template-columns:1fr}}.projects{background:#fff}.filter-buttons{display:flex;justify-content:center;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.filter-btn{padding:.6rem 1.5rem;background:var(--light);color:var(--text);border-radius:25px;font-weight:500;transition:all .3s ease}.filter-btn:hover,.filter-btn.active{background:var(--primary);color:#fff}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem}.project-card{background:var(--light);padding:2rem;border-radius:12px;transition:all .3s ease;border:2px solid transparent}.project-card:hover{transform:translateY(-10px);box-shadow:0 10px 30px #0000001a;border-color:var(--primary)}.project-card h3{color:var(--dark);margin-bottom:1rem;font-size:1.4rem}.project-description{color:var(--text);margin-bottom:1.5rem;line-height:1.6}.project-tech{display:flex;flex-wrap:wrap;gap:.5rem}.tech-tag{background:#fff;color:var(--primary);padding:.4rem .8rem;border-radius:20px;font-size:.85rem;font-weight:500}@media (max-width: 768px){.projects-grid{grid-template-columns:1fr}}.contact{background:var(--light)}.contact-content{display:grid;grid-template-columns:1fr 1.5fr;gap:3rem;max-width:1000px;margin:0 auto}.contact-info{background:#fff;padding:2rem;border-radius:12px;height:fit-content}.contact-info h3{margin-bottom:1.5rem;color:var(--primary)}.info-item{margin-bottom:1.5rem}.info-item strong{display:block;color:var(--dark);margin-bottom:.3rem}.info-item p{color:var(--text);margin:0}.contact-form{background:#fff;padding:2rem;border-radius:12px;display:flex;flex-direction:column;gap:1rem}.contact-form input,.contact-form textarea{padding:1rem;border:2px solid var(--border);border-radius:8px;font-size:1rem;font-family:inherit;transition:border-color .3s}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary)}.contact-form textarea{resize:vertical}.contact-form button{margin-top:.5rem}.status{padding:.8rem;border-radius:8px;text-align:center;font-weight:500}.status.success{background:#d1fae5;color:#065f46}.status.error{background:#fee2e2;color:#991b1b}@media (max-width: 768px){.contact-content{grid-template-columns:1fr;gap:2rem}}.footer{background:var(--dark);color:#fff;padding:2rem 0;margin-top:auto}.footer-content{display:flex;justify-content:space-between;align-items:center}.social-links{display:flex;gap:1.5rem}.social-links a{color:#fff;transition:color .3s}.social-links a:hover{color:var(--accent)}@media (max-width: 768px){.footer-content{flex-direction:column;gap:1rem;text-align:center}}.app{min-height:100vh;display:flex;flex-direction:column}main{flex:1}h1,h2,h3{color:var(--dark)}h2{font-size:2.5rem;margin-bottom:1rem;text-align:center}.section-subtitle{text-align:center;color:var(--text);margin-bottom:3rem;font-size:1.1rem}@media (max-width: 768px){h2{font-size:2rem}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563eb;--secondary: #1e40af;--accent: #3b82f6;--dark: #1e293b;--light: #f8fafc;--text: #334155;--border: #e2e8f0}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text);background:var(--light)}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;outline:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}section{padding:80px 0}@media (max-width: 768px){section{padding:60px 0}}