:root{--accent-color: #007BFF;--accent-text-color: #ffffff}body.dark{--bg-color: #1A1D24;--text-color: #F0F2F5;--card-bg: #2C2F36;--border-color: #40444C;--skill-pill-bg: #4A5568;--skill-pill-text: #F0F2F5}body.light{--bg-color: #F4F7F9;--text-color: #181818;--card-bg: #ffffff;--border-color: #e0e0e0;--skill-pill-bg: #E2E8F0;--skill-pill-text: #2D3748}body{margin:0;font-family:Segoe UI,Roboto,Oxygen,sans-serif;background-color:var(--bg-color);color:var(--text-color);transition:background-color .3s,color .3s}main>section{padding:80px 20px;max-width:1000px;margin:0 auto;border-bottom:1px solid var(--border-color)}main>section:last-child{border-bottom:none}.section-title{font-size:2.5rem;font-weight:700;color:var(--text-color);margin-bottom:3rem;text-align:center}.btn{display:inline-block;background-color:var(--accent-color);color:var(--accent-text-color);padding:12px 24px;border:2px solid var(--accent-color);border-radius:5px;text-decoration:none;font-weight:700;text-align:center;transition:all .3s ease}.btn:hover{background-color:transparent;color:var(--accent-color)}.header{display:flex;justify-content:space-between;align-items:center;padding:1rem 5%;background-color:var(--card-bg);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;width:90%;transition:background-color .3s,border-color .3s}.logo{font-size:1.5rem;font-weight:700;color:var(--text-color)}.navigation{display:flex;align-items:center}.nav-links{list-style:none;display:flex;margin:0;padding:0}.nav-links li{padding:0 15px;cursor:pointer;color:var(--text-color);font-weight:500;transition:color .3s ease}.nav-links li:hover{color:var(--accent-color)}.header-widgets{display:flex;align-items:center;gap:20px}.visitor-counter{font-size:.9rem;font-weight:500;color:var(--text-color)}.theme-toggle{background:none;border:none;color:var(--text-color);font-size:1.2rem;cursor:pointer;display:flex;align-items:center}.hamburger{display:none;cursor:pointer}.hamburger .line{width:25px;height:3px;background-color:var(--text-color);margin:5px 0}@media (max-width: 768px){.nav-links{display:none;flex-direction:column;position:absolute;top:70px;right:0;width:100%;background-color:var(--card-bg);text-align:center;padding:1rem 0;border-bottom:1px solid var(--border-color)}.nav-links.open{display:flex}.nav-links li{padding:15px 0}.hamburger{display:block}.visitor-counter{display:none}}.hero-container{display:flex;align-items:center;justify-content:center;text-align:center}.hero-content{max-width:800px}.hero-name{font-size:4.5rem;font-weight:700;color:var(--text-color);margin:0}.hero-headline{font-size:1.8rem;margin:1rem 0;color:var(--accent-color);font-weight:500}.hero-description{font-size:1.1rem;margin:2rem 0;max-width:600px;margin-left:auto;margin-right:auto;line-height:1.6}.hero-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:2.5rem}@media (max-width: 768px){.hero-name{font-size:3rem}.hero-headline{font-size:1.5rem}}.about-container{display:flex;flex-direction:column;align-items:center}.about-content{display:flex;align-items:center;justify-content:center;gap:3rem;width:100%}.about-photo-container{flex-shrink:0}.about-photo{width:200px;height:200px;border-radius:50%;border:4px solid var(--accent-color);object-fit:cover}.about-text{max-width:600px}.about-text p{font-size:1.1rem;line-height:1.7;margin-bottom:1.5rem}.about-buttons{display:flex;gap:1rem;margin-top:2rem}@media (max-width: 768px){.about-content{flex-direction:column}.about-text{text-align:center}.about-buttons{justify-content:center}}.skills-container{display:flex;flex-direction:column;align-items:center}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;width:100%}.skill-category-card{background-color:var(--card-bg);padding:1.5rem;border-radius:8px;border:1px solid #333;transition:transform .3s ease,box-shadow .3s ease}.light .skill-category-card{border:1px solid #ddd}.skill-category-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px #007bff1a}.skill-category-card h3{margin-top:0;margin-bottom:1rem;color:var(--accent-color);border-bottom:2px solid var(--accent-color);padding-bottom:.5rem;display:inline-block}.skills-list{display:flex;flex-wrap:wrap;gap:.75rem}.skill-pill{background-color:var(--skill-pill-bg);color:var(--skill-pill-text);padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:500;transition:transform .2s ease}.skill-pill:hover{transform:scale(1.05)}.light .skill-pill{background-color:#e0e0e0}.projects-container{display:flex;flex-direction:column;align-items:center}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;width:100%}.project-card{background-color:var(--card-bg);border-radius:8px;border:1px solid var(--border-color);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease}.project-card:hover{transform:translateY(-10px);box-shadow:0 10px 25px #007bff26}.project-image{width:100%;height:200px;object-fit:cover}.project-info{padding:1.5rem;display:flex;flex-direction:column;flex-grow:1}.project-title{margin-top:0;margin-bottom:.5rem;font-size:1.5rem;color:var(--text-color)}.project-description{font-size:1rem;line-height:1.6;flex-grow:1}.project-tech{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0}.tech-pill{background-color:var(--skill-pill-bg);color:var(--skill-pill-text);padding:.3rem .8rem;border-radius:20px;font-size:.8rem;font-weight:500}.tech-pill:hover{background-color:#0056b3;cursor:default}.project-links{display:flex;gap:1rem;margin-top:auto}.experience-container{display:flex;flex-direction:column;align-items:center}.experience-card{background-color:var(--card-bg);border-radius:8px;border:1px solid var(--border-color);padding:2rem;max-width:700px;width:100%;box-shadow:0 4px 12px #0000001a}.job-title{margin-top:0;font-size:1.8rem;color:var(--accent-color)}.company-info{font-size:1.1rem;font-weight:500;margin:.5rem 0}.job-duration{font-size:1rem;color:#888;margin-bottom:1.5rem}.light .job-duration{color:#555}.job-duties{padding-left:20px;margin:0}.job-duties li{font-size:1rem;line-height:1.6;margin-bottom:.5rem}.contact-container{display:flex;flex-direction:column;align-items:center}.contact-form{display:flex;flex-direction:column;gap:1.5rem;width:100%;max-width:600px}.form-input,.form-textarea{background-color:var(--card-bg);color:var(--text-color);border:1px solid var(--border-color);border-radius:5px;padding:12px;font-size:1rem;font-family:inherit;transition:border-color .3s,box-shadow .3s}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 5px #007bff80}.form-textarea{resize:vertical;min-height:150px}.response-message{margin-top:1.5rem;font-size:1rem;font-weight:500}.footer-container{background-color:var(--card-bg);color:var(--text-color);padding:2rem 5%;text-align:center;border-top:1px solid var(--border-color)}.footer-content{max-width:1000px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:1rem}.footer-contact-info p{margin:.25rem 0;font-size:1rem}.footer-social-links{display:flex;gap:1.5rem}.footer-icon{font-size:1.8rem;color:var(--text-color);transition:color .3s,transform .3s}.footer-icon:hover{color:var(--accent-color);transform:scale(1.2)}.footer-copyright{margin-top:1rem;font-size:.9rem;opacity:.7}