:root{--primary-color:#1e293b;--secondary-color: #14b8a6;--third-color:#0f766e;--background: #ffffff;--background-second: #f0fdfa;--text-primary: #0f172a;--text-secondary: #64748b;--border: #ccfbf1;--shadow: rgba(20, 184, 166, .1);--shadow-hover: rgba(20, 184, 166, .2)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,Helvetica,sans-serif;background-color:var(--background-second);color:var(--text-primary);line-height:1.6}html{scroll-behavior:smooth}header{display:flex;justify-content:space-between;align-items:center;padding:20px 60px;background:var(--background);border-bottom:1px solid var(--border);box-shadow:0 2px 10px var(--shadow);position:sticky;top:0;z-index:100}header h1{color:var(--primary-color);margin:0;font-size:28px;font-weight:700;letter-spacing:2px}header h1:hover{color:var(--secondary-color)}nav{display:flex;gap:32px;align-items:center}nav 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a{color:var(--secondary-color);text-decoration:none;font-size:16px;font-weight:500;display:flex;align-items:center;gap:6px}.footer-links a:hover{color:var(--primary-color)}.footer-links a i{font-size:18px}@media(max-width:768px){header{padding:18px 25px;flex-direction:column;gap:20px}header h1{font-size:21px;letter-spacing:1.2px}nav{gap:20px}nav a{font-size:14px}.about-me-container{padding:50px 25px}.tech-stacks-section{padding:40px 25px 0}.project-cards-container{padding:0 25px}.about-me-title,.tech-stacks-title,.my-projects-title,.projects-title,.contact-title{font-size:28px}.about-me-title:after,.tech-stacks-title:after,.my-projects-title:after,.projects-title:after,.contact-title:after{width:45px;height:3px}.about-me-description p{font-size:16px;line-height:1.85}.tech-stacks-container{grid-template-columns:1fr;gap:22px}.tech-category{padding:22px}.search-box{max-width:100%}.search-input{padding:12px 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