:root{--primary-color: #232f3e;--secondary-color: #ff9900;--text-color: #333;--text-light: #666;--bg-color: #fff;--bg-light: #F5F8FA;--border-color: #ddd;--shadow: 0 2px 8px rgba(0,0,0,.1);--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--bg-color)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:var(--bg-color);box-shadow:var(--shadow);position:sticky;top:0;z-index:100}.nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo{font-size:1.5rem;font-weight:700;color:var(--primary-color);text-decoration:none}.nav-links{display:flex;list-style:none;gap:2rem}.nav-links a{text-decoration:none;color:var(--text-color);font-weight:500;transition:var(--transition);padding:.5rem 1rem;border-radius:4px}.nav-links a:hover,.nav-links a.active{color:var(--secondary-color);background-color:var(--bg-light)}.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--primary-color)}@media (max-width: 768px){.mobile-menu-btn{display:block}.nav-links{display:none;position:absolute;top:100%;left:0;width:100%;background:var(--bg-color);flex-direction:column;box-shadow:var(--shadow);padding:1rem 0}.nav-links.open{display:flex}.nav-links a{padding:1rem 2rem;border-radius:0}}.main{min-height:calc(100vh - 200px);padding:2rem 0}.hero{text-align:center;padding:4rem 0;background:linear-gradient(135deg,var(--bg-light) 0%,var(--bg-color) 100%)}.hero-title{font-size:3rem;font-weight:700;color:var(--primary-color);margin-bottom:1rem}.hero-subtitle{font-size:1.5rem;color:var(--secondary-color);margin-bottom:1rem}.hero-description{font-size:1.1rem;color:var(--text-light);max-width:600px;margin:0 auto 2rem}.cta-button{display:inline-block;background:var(--secondary-color);color:#fff;padding:1rem 2rem;text-decoration:none;border-radius:8px;font-weight:600;transition:var(--transition);border:none;cursor:pointer;font-size:1rem}.cta-button:hover{background:#e88900;transform:translateY(-2px)}.skills{padding:4rem 0}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem}.skill-card{background:var(--bg-color);padding:2rem;border-radius:12px;box-shadow:var(--shadow);text-align:center;transition:var(--transition)}.skill-card:hover{transform:translateY(-5px);box-shadow:0 4px 20px #00000026}.skill-icon{font-size:3rem;margin-bottom:1rem}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;margin-top:2rem}.project-card{background:var(--bg-color);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;transition:var(--transition)}.project-card:hover{transform:translateY(-5px);box-shadow:0 4px 20px #00000026}.project-image{width:100%;height:200px;background:var(--bg-light);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:1.1rem;border-bottom:1px solid var(--border-color)}.project-content{padding:1.5rem}.project-title{font-size:1.3rem;font-weight:600;color:var(--primary-color);margin-bottom:.5rem}.project-description{color:var(--text-light);margin-bottom:1.5rem;line-height:1.6}.project-links{display:flex;gap:1rem}.project-link{padding:.5rem 1rem;text-decoration:none;border-radius:6px;font-weight:500;transition:var(--transition);border:2px solid}.project-link.primary{background:var(--secondary-color);color:#fff;border-color:var(--secondary-color)}.project-link.primary:hover{background:#e88900;border-color:#e88900}.project-link.secondary{background:transparent;color:var(--primary-color);border-color:var(--primary-color)}.project-link.secondary:hover{background:var(--primary-color);color:#fff}.resume-header{text-align:center;margin-bottom:3rem}.download-btn{margin-top:1rem}.resume-section{margin-bottom:3rem}.section-title{font-size:2rem;color:var(--primary-color);margin-bottom:1.5rem;border-bottom:2px solid var(--secondary-color);padding-bottom:.5rem}.certifications-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.certification-card{background:var(--bg-light);padding:1.5rem;border-radius:8px;border-left:4px solid var(--secondary-color)}.certification-name{font-weight:600;color:var(--primary-color);margin-bottom:.5rem}.certification-org{color:var(--text-light);font-size:.9rem}.certification-year{color:var(--secondary-color);font-weight:500;font-size:.9rem}.contact-content{max-width:600px;margin:0 auto;text-align:center}.contact-info{display:flex;flex-direction:column;gap:1.5rem;margin-top:2rem}.contact-item{display:flex;align-items:center;justify-content:center;gap:1rem;padding:1.5rem;background:var(--bg-light);border-radius:8px;text-decoration:none;color:var(--text-color);transition:var(--transition)}.contact-item:hover{background:var(--secondary-color);color:#fff;transform:translateY(-2px)}.contact-icon{font-size:1.5rem}.skills-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:1rem}.skill-category h4{color:var(--primary-color);margin-bottom:.5rem}.skill-category ul{list-style:none;color:var(--text-light)}.skill-category li{padding:.2rem 0}.footer{background:var(--primary-color);color:#fff;text-align:center;padding:2rem 0;margin-top:4rem}.text-center{text-align:center}.mb-1{margin-bottom:1rem}.mb-2{margin-bottom:2rem}.mb-3{margin-bottom:3rem}.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mt-3{margin-top:3rem}@media (max-width: 768px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1.2rem}.projects-grid,.skills-grid{grid-template-columns:1fr}.project-links{flex-direction:column}.certifications-grid{grid-template-columns:1fr}.contact-item{flex-direction:column;text-align:center}.skills-list{grid-template-columns:1fr}}