:root{--primary: #2c3e50;--secondary: #3498db;--accent: #e74c3c;--light: #ecf0f1;--dark: #2c3e50;--gray: #7f8c8d;--shadow: 0 4px 6px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{line-height:1.6;color:var(--dark);background-color:#f9f9f9}.container{width:90%;max-width:1200px;margin:0 auto;padding:20px 0}header{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:60px 0;text-align:center}.header-content h1{font-size:2.8rem;margin-bottom:10px}.header-content .title{font-size:1.5rem;margin-bottom:20px;opacity:.9}.contact-buttons{margin-top:30px}.btn{display:inline-block;padding:12px 25px;margin:0 10px;background-color:#fff;color:var(--primary);text-decoration:none;border-radius:30px;font-weight:600;transition:all .3s ease;box-shadow:var(--shadow)}.btn:hover{transform:translateY(-3px);box-shadow:0 6px 12px #00000026}section{padding:80px 0}.section-title{text-align:center;margin-bottom:50px;position:relative}.section-title h2{font-size:2.2rem;color:var(--primary);display:inline-block;padding-bottom:10px}.section-title h2:after{content:"";position:absolute;width:70px;height:3px;background-color:var(--secondary);bottom:0;left:50%;transform:translate(-50%)}.summary{background-color:#fff}.summary-content{max-width:800px;margin:0 auto;text-align:center;font-size:1.1rem}.expertise{background-color:var(--light)}.expertise-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.expertise-card{background-color:#fff;padding:30px;border-radius:8px;box-shadow:var(--shadow);transition:transform .3s ease}.expertise-card:hover{transform:translateY(-10px)}.expertise-card h3{color:var(--secondary);margin-bottom:15px;font-size:1.3rem}.experience{background-color:#fff}.timeline{position:relative;max-width:800px;margin:0 auto}.timeline:before{content:"";position:absolute;width:4px;background-color:var(--secondary);top:0;bottom:0;left:50%;margin-left:-2px}.timeline-item{padding:10px 40px;position:relative;width:50%;box-sizing:border-box}.timeline-item:nth-child(odd){left:0}.timeline-item:nth-child(2n){left:50%}.timeline-content{padding:20px;background-color:#fff;border-radius:8px;box-shadow:var(--shadow)}.timeline-content h3{margin-bottom:10px;color:var(--primary)}.timeline-content .company{color:var(--secondary);font-weight:600;margin-bottom:5px}.timeline-content .duration{color:var(--gray);font-size:.9rem;margin-bottom:15px}.timeline-item:after{content:"";position:absolute;width:20px;height:20px;background-color:#fff;border:4px solid var(--secondary);border-radius:50%;top:15px;right:-10px}.timeline-item:nth-child(2n):after{left:-10px}.highlights-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:30px}.highlight-card{background-color:var(--light);padding:20px;border-radius:8px;text-align:center}.highlight-card .number{font-size:2.5rem;font-weight:700;color:var(--secondary);margin-bottom:10px}.certifications{background-color:var(--light)}.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px}.cert-card{background-color:#fff;padding:25px;border-radius:8px;box-shadow:var(--shadow);transition:transform .3s ease}.cert-card:hover{transform:translateY(-5px)}.cert-card h3{color:var(--primary);margin-bottom:10px}.education{background-color:#fff}.education-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px}.education-card{background-color:var(--light);padding:25px;border-radius:8px}.education-card h3{color:var(--primary);margin-bottom:10px}.education-card .institution{color:var(--secondary);font-weight:600;margin-bottom:5px}.contact{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;text-align:center}.contact h2{color:#fff}.contact h2:after{background-color:#fff}.contact-content{max-width:600px;margin:0 auto}.contact-info{margin-top:30px;display:flex;justify-content:center;flex-wrap:wrap;gap:30px}.contact-item{display:flex;align-items:center;gap:10px}footer{background-color:var(--dark);color:#fff;text-align:center;padding:20px 0;font-size:.9rem}@media(max-width:768px){.timeline:before{left:31px}.timeline-item{width:100%;padding-left:70px;padding-right:25px}.timeline-item:nth-child(2n){left:0}.timeline-item:after{left:21px}.header-content h1{font-size:2.2rem}.header-content .title{font-size:1.2rem}.contact-info{flex-direction:column;gap:15px}.btn{display:block;margin:10px auto;max-width:200px}}